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En la imagen de la izquierda se observan, en un corte coronal, delaminación del cartílago acetabular y un quiste sublabral. Las imágenes de la derecha son fotos intraoperatorias que muestran la lesión condral vista en la artro-RM.</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "A.B. González Gil, R. Llombart Blanco, P. Díaz de Rada" "autores" => array:3 [ 0 => array:2 [ "nombre" => "A.B." "apellidos" => "González Gil" ] 1 => array:2 [ "nombre" => "R." "apellidos" => "Llombart Blanco" ] 2 => array:2 [ "nombre" => "P." 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Ezquerra-Herrando, B. Seral-García, M.P. Quilez, M.A. Pérez, J. Albareda-Albareda" "autores" => array:5 [ 0 => array:2 [ "nombre" => "L." "apellidos" => "Ezquerra-Herrando" ] 1 => array:2 [ "nombre" => "B." "apellidos" => "Seral-García" ] 2 => array:2 [ "nombre" => "M.P." "apellidos" => "Quilez" ] 3 => array:2 [ "nombre" => "M.A." "apellidos" => "Pérez" ] 4 => array:2 [ "nombre" => "J." "apellidos" => "Albareda-Albareda" ] ] ] ] ] "idiomaDefecto" => "en" "Traduccion" => array:1 [ "es" => array:9 [ "pii" => "S1888441514002562" "doi" => "10.1016/j.recot.2014.12.004" "estado" => "S300" "subdocumento" => "" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:1 [ "total" => 0 ] "idiomaDefecto" => "es" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1888441514002562?idApp=UINPBA00004N" ] ] "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1988885615000449?idApp=UINPBA00004N" "url" => "/19888856/0000005900000004/v1_201506100052/S1988885615000449/v1_201506100052/en/main.assets" ] "itemAnterior" => array:19 [ "pii" => "S1988885615000425" "issn" => "19888856" "doi" => "10.1016/j.recote.2015.04.008" "estado" => "S300" "fechaPublicacion" => "2015-07-01" "aid" => "555" "copyright" => "SECOT" "documento" => "article" "crossmark" => 1 "subdocumento" => "fla" "cita" => "Rev Esp Cir Ortop Traumatol. 2015;59:275-80" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:2 [ "total" => 90 "formatos" => array:2 [ "HTML" => 40 "PDF" => 50 ] ] "en" => array:13 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Original Article</span>" "titulo" => "Influence of the ischaemic tourniquet in antibiotic prophylaxis in total knee replacement" "tienePdf" => "en" "tieneTextoCompleto" => "en" "tieneResumen" => array:2 [ 0 => "en" 1 => "es" ] "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "275" "paginaFinal" => "280" ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Influencia del manguito de isquemia en la profilaxis antibiótica en prótesis total de rodilla" ] ] "contieneResumen" => array:2 [ "en" => true "es" => true ] "contieneTextoCompleto" => array:1 [ "en" => true ] "contienePdf" => array:1 [ "en" => true ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0010" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 1225 "Ancho" => 2663 "Tamanyo" => 165348 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0090" class="elsevierStyleSimplePara elsevierViewall">Graphic representation of the individual values of antibiotic at times M1 and M2 compared to MIC.</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "Laura Prats, Joan Valls, Joaquim Ros, Alfredo Jover, Ferran Pérez-Villar, José Juan Fernández-Martínez" "autores" => array:6 [ 0 => array:2 [ "nombre" => "Laura" "apellidos" => "Prats" ] 1 => array:2 [ "nombre" => "Joan" "apellidos" => "Valls" ] 2 => array:2 [ "nombre" => "Joaquim" "apellidos" => "Ros" ] 3 => array:2 [ "nombre" => "Alfredo" "apellidos" => "Jover" ] 4 => array:2 [ "nombre" => "Ferran" "apellidos" => "Pérez-Villar" ] 5 => array:2 [ "nombre" => "José Juan" "apellidos" => "Fernández-Martínez" ] ] ] ] ] "idiomaDefecto" => "en" "Traduccion" => array:1 [ "es" => array:9 [ "pii" => "S1888441514002513" "doi" => "10.1016/j.recot.2014.11.006" "estado" => "S300" "subdocumento" => "" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:1 [ "total" => 0 ] "idiomaDefecto" => "es" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1888441514002513?idApp=UINPBA00004N" ] ] "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1988885615000425?idApp=UINPBA00004N" "url" => "/19888856/0000005900000004/v1_201506100052/S1988885615000425/v1_201506100052/en/main.assets" ] "en" => array:20 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Original Article</span>" "titulo" => "Validity of magnetic resonance arthrography as a diagnostic tool in femoroacetabular impingement syndrome" "tieneTextoCompleto" => true "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "281" "paginaFinal" => "286" ] ] "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "A.B. González Gil, R. Llombart Blanco, P. Díaz de Rada" "autores" => array:3 [ 0 => array:4 [ "nombre" => "A.B." "apellidos" => "González Gil" "email" => array:1 [ 0 => "aggil@unav.es" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "cor0005" ] ] ] 1 => array:3 [ "nombre" => "R." "apellidos" => "Llombart Blanco" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] 2 => array:3 [ "nombre" => "P." "apellidos" => "Díaz de Rada" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0010" ] ] ] ] "afiliaciones" => array:2 [ 0 => array:3 [ "entidad" => "Departamento de Cirugía Ortopédica y Traumatología, Clínica Universidad de Navarra, Pamplona, Spain" "etiqueta" => "a" "identificador" => "aff0005" ] 1 => array:3 [ "entidad" => "Hospital Reina Sofía, Tudela, Navarra, Spain" "etiqueta" => "b" "identificador" => "aff0010" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "Corresponding author." ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Validez de la artrorresonancia magnética como herramienta diagnóstica en el síndrome de atrapamiento femoroacetabular" ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 844 "Ancho" => 1628 "Tamanyo" => 64121 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Graph of demographic data, type of alteration and findings on magnetic resonance arthrography and arthroscopy.</p>" ] ] ] "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">Introduction</span><p id="par0005" class="elsevierStylePara elsevierViewall">Femoroacetabular impingement syndrome (FAI) is one of the main causes of hip pain. Due to advances in diagnostic techniques and research, and improved knowledge of the specific pathology of the hip, we have seen an increase in the diagnosis, and therefore, in the incidence of hip disorders. This, added to the increased physical demands of a young, active and essentially athletic population, has led to an incidence of up to 15% of FAI being detected.<a class="elsevierStyleCrossRef" href="#bib0085"><span class="elsevierStyleSup">1</span></a> We also know that it is a dynamic disease which causes early osteoarthritis of the hip.<a class="elsevierStyleCrossRefs" href="#bib0090"><span class="elsevierStyleSup">2,3</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">Three different types of impingement have been described according to the predominant morphology<a class="elsevierStyleCrossRef" href="#bib0100"><span class="elsevierStyleSup">4</span></a>: CAM, where the abnormality is in the femur (defect in the femoral cervico-cephalic transition); pincer, where the predominant deformity is in the acetabulum (overcoverage), and mixed, a combination of both.</p><p id="par0015" class="elsevierStylePara elsevierViewall">A diagnosis of FAI starts with clinical suspicion when a young or middle-aged patient presents reporting unilateral or bilateral hip pain, related to posture or on effort, such as, for example, when playing sport, and to movements requiring maintained flexion of the hip.<a class="elsevierStyleCrossRef" href="#bib0105"><span class="elsevierStyleSup">5</span></a> On physical examination we were able to observe reduced mobility of the hip (the greater the degree of osteoarthritis the greater the loss of mobility), a positive anterior impingement test (flexion at 90° and internal rotation) and a positive FABER's test (external flexion–abduction–rotation, position 4 of the affected leg) as clinical signs suggestive of a diagnosis of FAI.<a class="elsevierStyleCrossRef" href="#bib0110"><span class="elsevierStyleSup">6</span></a> Labral and chondral lesions are difficult to determine with examination manoeuvres. Tijssen et al.<a class="elsevierStyleCrossRef" href="#bib0115"><span class="elsevierStyleSup">7</span></a> conducted a revision of 21 studies, and concluded that there is insufficient evidence to recommend specific diagnostic clinical tests in order to confirm or rule out FAI with or without labral lesions or other associated alterations.</p><p id="par0020" class="elsevierStylePara elsevierViewall">With regard to imaging tests; we identified bone alterations through simple radiology, anteroposterior projection of the hip and Dunn's axial projection.<a class="elsevierStyleCrossRef" href="#bib0120"><span class="elsevierStyleSup">8</span></a> Subsequently, with a view to suggesting possible surgical treatment, we were able to obtain information on labral alterations using magnetic resonance arthrography.</p><p id="par0025" class="elsevierStylePara elsevierViewall">Magnetic resonance arthrography has the advantage of being a simple test but the disadvantage is that it is minimally invasive and has associated risks.<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">9</span></a> Therefore, it is important to be aware of its real clinical usefulness. Numerous studies have tried to define the usefulness of magnetic resonance arthrography in detecting these lesions, and have obtained very varied results.<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">9–14</span></a></p><p id="par0030" class="elsevierStylePara elsevierViewall">The objective of our study is to determine the diagnostic correlation between direct magnetic resonance arthrography and arthroscopic findings in patients with a probable diagnosis of FAI.</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">Materials and methods</span><p id="par0035" class="elsevierStylePara elsevierViewall">We undertook a retrospective revision of patients who were operated using arthroscopy of the hip in our centre between 2009 and 2012. Patients with a diagnosis of FAI and who had received magnetic resonance arthrography in our centre were included in the study.</p><p id="par0040" class="elsevierStylePara elsevierViewall">Patients whose magnetic resonance imaging had not taken place in our centre, patients who had not been operated by ourselves or operated using open surgery, and patients who had undergone arthroscopy of the hip for reasons other than FAI syndrome were excluded from the study.</p><p id="par0045" class="elsevierStylePara elsevierViewall">36 patients were included in the study, 27 were male and 9 female, with a mean age of 39 (27–53). A total of 22 right and 14 left hips were operated.</p><p id="par0050" class="elsevierStylePara elsevierViewall">The main reason for consultation was groin and/or buttock pain occasionally defined as “C” shaped; pain which increased with hip flexion or after playing a sport. On occasion, pain with more mechanical characteristics was defined.</p><p id="par0055" class="elsevierStylePara elsevierViewall">All of the patients were informed of the risks, limitations, complications and benefits of direct magnetic resonance arthrography.</p><p id="par0060" class="elsevierStylePara elsevierViewall">For the direct magnetic resonance arthrography, the hip was punctured in the superolateral portion in the femoral cervico-cephalic joint. Between 10<span class="elsevierStyleHsp" style=""></span>cc and 12<span class="elsevierStyleHsp" style=""></span>cc of a 0.5<span class="elsevierStyleHsp" style=""></span>ml solution of gadolinium paramagnetic contrast (Gadovist<span class="elsevierStyleSup"><span class="elsevierStyleBold">®</span></span>) dissolved in 20<span class="elsevierStyleHsp" style=""></span>ml physiological saline was injected. Three-Tesla magnetic resonance (Trio, Siemens<span class="elsevierStyleSup">®</span>) was used for the study in T1 sequences with fat saturation, T2 with fat saturation and 3D gradient echo on 4 spatial planes; coronal, sagittal, axial and oblique. The images obtained were interpreted by a team of 2 radiologists who were specialists in musculo-skeletal pathology.</p><p id="par0065" class="elsevierStylePara elsevierViewall">We compared the findings observed during the intervention with those found in the previous direct magnetic resonance arthrography. In both we assessed the existence of labral lesions, CAM deformity in the femur, chondral lesions in the acetabulum and chondral lesions in the femoral head.</p><p id="par0070" class="elsevierStylePara elsevierViewall">The hip arthroscopy was always performed by the same surgeon. The procedure was undertaken with the patient lying on their back on a traction table which enabled intraoperative decoaptation of the hip. The interventions were performed following the outside–inside technique described by Margalet. After locating the lesion, the acetabular labral edge was decorticated in order to repair the labral tear. Suturing was through anchors based on suture systems, generally 1.4<span class="elsevierStyleHsp" style=""></span>mm thick. All the intra-operative findings and procedures undertaken during the intervention were noted in the operation notes.</p><p id="par0075" class="elsevierStylePara elsevierViewall">With regard to the general details of the surgical procedure; the intervention was performed with the patient under general anaesthetic and orally intubated. General antibiotic prophylaxis guidelines were followed for all patients with 1<span class="elsevierStyleHsp" style=""></span>g of intravenous cephazoline during induction of anaesthesia, completing the guidelines with 3 doses of 1<span class="elsevierStyleHsp" style=""></span>g cephazoline every 8<span class="elsevierStyleHsp" style=""></span>h in the post-operative period. All the patients had a urinary catheter which was removed the following day and they received antithrombotic prophylaxis with Hibor 3.500 UI. The day after surgery the patient got up, in order to initiate a gradual process of mobility using crutches, with total load bearing on the limb. They were hospitalised for around 2 days and discharged with a specific rehabilitation programme of 16 weeks to be followed in a specialist centre in their region. Follow-up of these patients consisted of a first review at 1.5 months after the operation and at 4 months (at the end of their rehabilitation programme). Thereafter the patients were seen annually, if progress had been satisfactory, otherwise they were assessed according to their individual needs.</p><p id="par0080" class="elsevierStylePara elsevierViewall">We performed a sensitivity, specificity and PPV calculation to detect each lesion on the magnetic resonance arthrography taking the findings observed during the arthroscopic intervention as diagnostic certainty.</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Results</span><p id="par0085" class="elsevierStylePara elsevierViewall">In total, 36 patients met the inclusion criteria for our study, 27 men and 9 women with a mean age of 39 (27–53). Twenty-nine patients presented a CAM-type FAI, 3 pincer-type and 4 mixed (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a> and <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>).</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0090" class="elsevierStylePara elsevierViewall">In our series we found 87% sensitivity, 77% specificity with a PPV of 87% for the diagnosis of labral lesions using magnetic resonance arthrography. With regard to the diagnosis of CAM-type femoral deformity, the specificity of magnetic resonance arthrography was 100% with a sensitivity of 79% and a PPV of 100%. For the chondral lesions we found lower values in both locations, acetabular and femoral. For chondral lesions of the acetabulum (<a class="elsevierStyleCrossRef" href="#fig0010">Fig. 2</a>,) sensitivity was 78.5%, whereas specificity was 82% and PPV was 73%. Sensitivity for lesions in femoral cartilage was 71.5%, specificity 73% and PPV 62.5% (<a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a>).</p><elsevierMultimedia ident="fig0010"></elsevierMultimedia><elsevierMultimedia ident="tbl0010"></elsevierMultimedia><p id="par0095" class="elsevierStylePara elsevierViewall">Clinically, the patients evolved satisfactorily, resuming their usual physical activities with no discomfort. We should mention that 2 patients presented gluteal tendinitis and 1 patient psoas tendinitis. All these cases were resolved after a specific rehabilitation programme. With regard to complications in the immediate post-operative period; 2 patients had transitory hypoesthesia of the perineum which resolved spontaneously.</p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">Discussion</span><p id="par0100" class="elsevierStylePara elsevierViewall">Our results support performing prior direct magnetic resonance arthrography, due to its high sensitivity and specificity in detecting labral lesions, of articular cartilage and the presence of femoral hump-type deformity.</p><p id="par0105" class="elsevierStylePara elsevierViewall">With regard to the detection of alterations in the acetabular labrum, the literature shows sensitivity between 100% and 81%.<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">9–13</span></a> We obtained a sensitivity of 87%. And we also recorded a specificity of 77%, this value is somewhat higher compared to the high limit of the range covered in the literature, between 75% and 51%.<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">9–13</span></a> To all of this we associated a PPV of 87%, which indicated to us the capacity of this test to detect alterations of the labrum with certainty when these alterations really exist. However, this result is to be expected as we had a sample with a high prevalence of the disease. PPVs of 99% and NPVs from 39% to 19% are observed in the literature,<a class="elsevierStyleCrossRefs" href="#bib0120"><span class="elsevierStyleSup">8–12</span></a> compared to the 77% obtained in our study. This tells us that it is likely that that patient did not have labral alterations when magnetic resonance arthrography gave a negative result for this. The clinical implication of these results would be, should hip arthroscopy be decided, that we are highly likely to find the lesion shown by magnetic resonance arthrography. This enables accurate and early treatment of FAI, preventing progression of the lesion and an increased therapeutic failure.</p><p id="par0110" class="elsevierStylePara elsevierViewall">Despite the fact that the sensitivity and specificity values of magnetic resonance arthrography obtained are high, labral lesions exist which are not detected by resonance, in particular, the incipient lesions classified by Czerny et al.<a class="elsevierStyleCrossRef" href="#bib0150"><span class="elsevierStyleSup">14</span></a> as stages 1A (alteration of signal but with no signs of detachment or break). Furthermore, there is also the possibility that a lesion is observed on magnetic resonance arthrography but the location described does not coincide with that found on arthroscopy.<a class="elsevierStyleCrossRef" href="#bib0150"><span class="elsevierStyleSup">14</span></a></p><p id="par0115" class="elsevierStylePara elsevierViewall">The literature with regard to chondral lesions jointly analyses the presence of cartilage damage in the acetabular or femoral area. We have differentiated according to the location of the lesions. However, the literature shows sensitivity values between 47% and 17%,<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">9–13</span></a> specificities between 100% and 89%,<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">9–13</span></a> PPV of 84%<a class="elsevierStyleCrossRef" href="#bib0135"><span class="elsevierStyleSup">11</span></a> and NPV of 59%,<a class="elsevierStyleCrossRef" href="#bib0135"><span class="elsevierStyleSup">11</span></a> for magnetic resonance arthrography in the detection of articular cartilage alterations. In our series, for lesions in acetabular cartilage we obtained a sensitivity of 78.5%, specificity of 82%, PPV of 73% and NPV of 80%. With regard to lesions in the femur, we found somewhat lower values; sensitivity of 71.5%, specificity of 73%, PPV of 62.5% and NPV of 80%.</p><p id="par0120" class="elsevierStylePara elsevierViewall">In their recent study, McCarthy and Glassner,<a class="elsevierStyleCrossRef" href="#bib0145"><span class="elsevierStyleSup">13</span></a> also assessed the existence of free intra-articular bodies; they conclude that magnetic resonance arthrography is useful in confirming their presence.</p><p id="par0125" class="elsevierStylePara elsevierViewall">Our study presents some limitations. Given that the sample size is small and this is a retrospective study, the results need to be confirmed in a larger population with long-term follow-up. Secondly, we did not compare the results with a control group in whom there was no labral, chondral damage or CAM deformity. Furthermore, the resonance was interpreted by 2 radiologists who were musculo-skeletal specialists, which may lead to intero-observer variability when analysing the results. Moreover, we only assessed the existence or otherwise of a lesion, we did not classify or describe the lesion.<a class="elsevierStyleCrossRefs" href="#bib0155"><span class="elsevierStyleSup">15,16</span></a> This further supports the possibility of discrepancies between the radiologists themselves and between the radiologists and the surgeon.</p><p id="par0130" class="elsevierStylePara elsevierViewall">Our results show high sensitivity in the detection of labral lesions, high specificity in determining the presence of femoral CAM deformity and moderate usefulness in diagnosing chondral lesions. Therefore, we consider that magnetic resonance arthrography is a valid diagnostic test and useful in diagnosing FAI syndrome. It enables associated lesions to be detected, as well as their degree and location, which is essential for correct therapeutic planning.</p></span><span id="sec0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Level of evidence</span><p id="par0155" class="elsevierStylePara elsevierViewall">Level of evidence <span class="elsevierStyleSmallCaps">III</span>.</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Ethical responsibilities</span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Protection of human beings and animals</span><p id="par0135" class="elsevierStylePara elsevierViewall">The authors declare that no experiments were performed on humans or animals for this investigation.</p></span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0100">Data confidentiality</span><p id="par0140" class="elsevierStylePara elsevierViewall">The authors declare that no patient data appear in this article.</p></span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0105">Right to privacy and informed consent</span><p id="par0145" class="elsevierStylePara elsevierViewall">The authors declare that no patient data appear in this article.</p></span></span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0110">Conflicts of interest</span><p id="par0150" class="elsevierStylePara elsevierViewall">The authors have no conflicts of interest to declare.</p></span></span>" "textoCompletoSecciones" => array:1 [ "secciones" => array:12 [ 0 => array:3 [ "identificador" => "xres521660" "titulo" => "Abstract" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abst0005" "titulo" => "Introduction" ] 1 => array:2 [ "identificador" => "abst0010" "titulo" => "Materials and method" ] 2 => array:2 [ "identificador" => "abst0015" "titulo" => "Result" ] 3 => array:2 [ "identificador" => "abst0020" "titulo" => "Conclusions" ] ] ] 1 => array:2 [ "identificador" => "xpalclavsec542244" "titulo" => "Keywords" ] 2 => array:3 [ "identificador" => "xres521661" "titulo" => "Resumen" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abst0025" "titulo" => "Introducción" ] 1 => array:2 [ "identificador" => "abst0030" "titulo" => "Material y método" ] 2 => array:2 [ "identificador" => "abst0035" "titulo" => "Resultado" ] 3 => array:2 [ "identificador" => "abst0040" "titulo" => "Conclusiones" ] ] ] 3 => array:2 [ "identificador" => "xpalclavsec542245" "titulo" => "Palabras clave" ] 4 => array:2 [ "identificador" => "sec0005" "titulo" => "Introduction" ] 5 => array:2 [ "identificador" => "sec0010" "titulo" => "Materials and methods" ] 6 => array:2 [ "identificador" => "sec0015" "titulo" => "Results" ] 7 => array:2 [ "identificador" => "sec0020" "titulo" => "Discussion" ] 8 => array:2 [ "identificador" => "sec0050" "titulo" => "Level of evidence" ] 9 => array:3 [ "identificador" => "sec0025" "titulo" => "Ethical responsibilities" "secciones" => array:3 [ 0 => array:2 [ "identificador" => "sec0030" "titulo" => "Protection of human beings and animals" ] 1 => array:2 [ "identificador" => "sec0035" "titulo" => "Data confidentiality" ] 2 => array:2 [ "identificador" => "sec0040" "titulo" => "Right to privacy and informed consent" ] ] ] 10 => array:2 [ "identificador" => "sec0045" "titulo" => "Conflicts of interest" ] 11 => array:1 [ "titulo" => "References" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2014-04-26" "fechaAceptado" => "2014-12-01" "PalabrasClave" => array:2 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Keywords" "identificador" => "xpalclavsec542244" "palabras" => array:5 [ 0 => "Arthroscopy" 1 => "Hip" 2 => "MR arthrography" 3 => "Labral year" 4 => "Femoroacetabular impingement" ] ] ] "es" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Palabras clave" "identificador" => "xpalclavsec542245" "palabras" => array:5 [ 0 => "Artroscopia" 1 => "Cadera" 2 => "Artrorresonancia" 3 => "Labrum" 4 => "Atrapamiento femoroacetabular" ] ] ] ] "tieneResumen" => true "resumen" => array:2 [ "en" => array:3 [ "titulo" => "Abstract" "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Introduction</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Femoroacetabular impingement (FAI) is one of the main causes of hip pain in young adult and a contributory factor for development of early primary osteoarthritis. An accurate clinical diagnosis, supported by imaging studies, is important to determine the best treatment for the patient. The aim of this study is to determine the diagnostic correlation between direct magnetic resonance imaging (MRI) arthrography and the arthroscopic findings.</p></span> <span id="abst0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Materials and method</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">A review was performed on a series of 36 patients diagnosed with FAI, and who underwent hip arthroscopy surgery between 2009 and 2012. All of them had a direct MRI arthrography performed in our hospital. The presence of labral lesions, CAM deformity, and acetabular and femoral cartilage damage, were evaluated in both imaging techniques.</p></span> <span id="abst0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Result</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">After analysing the results and taking the hip arthroscopy as ‘gold standard’, a sensitivity of 87% and a specificity of 77% were obtained, with a PPV of 87% for the diagnosis of labral lesions by direct MR arthrography. The specificity for CAM deformity was 100%, with a sensitivity of 79% and PPV of 100%. For chondral disorders lower values were found for both acetabulum and femoral head. For acetabular lesions the sensitivity was 78.5%, and specificity was 82% with a PPV of 73% and NPV of 80%. For femoral lesions, there was a sensitivity of 71.5%, a specificity of 73%, with a PPV of 62.5% and NPV of 80%.</p></span> <span id="abst0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0025">Conclusions</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Due to the high sensitivity for the detection of labral lesions and the high specificity to detect CAM deformity, hip MR arthrography is a useful diagnostic tool for femoroacetabular impingement.</p></span>" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abst0005" "titulo" => "Introduction" ] 1 => array:2 [ "identificador" => "abst0010" "titulo" => "Materials and method" ] 2 => array:2 [ "identificador" => "abst0015" "titulo" => "Result" ] 3 => array:2 [ "identificador" => "abst0020" "titulo" => "Conclusions" ] ] ] "es" => array:3 [ "titulo" => "Resumen" "resumen" => "<span id="abst0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Introducción</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">El síndrome de atrapamiento femoroacetabular es una de las causas de coxalgia en el adulto joven; así mismo, es una entidad clínica que contribuye en la etiopatogenia de la coxartrosis en estos pacientes. Un diagnóstico clínico certero apoyado por las técnicas de imagen diagnósticas disponibles es fundamental para poder determinar el mejor tratamiento. El objetivo de nuestro trabajo es determinar la correlación diagnóstica entre la artrorresonancia magnética directa y los hallazgos artroscópicos.</p></span> <span id="abst0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0040">Material y método</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Revisamos una serie de 36 pacientes con diagnóstico de atrapamiento femoroacetabular intervenidos mediante artroscopia de cadera realizada entre 2009 y 2012 con estudio de artrorresonancia previo realizado en nuestro centro. Valoramos en ambos el hallazgo de lesiones labrales, deformidad tipo CAM femoral y lesiones condrales, tanto femorales como acetabulares.</p></span> <span id="abst0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0045">Resultado</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Tomando los hallazgos de la artroscopia de cadera como el diagnóstico de certeza, calculamos una sensibilidad del 87% y una especificidad del 77% con un VPP del 87% para el diagnóstico de las lesiones labrales mediante artrorresonancia magnética directa, respectivamente. La especificidad para el diagnóstico de la deformidad tipo CAM femoral es del 100%, con una sensibilidad del 79% y un VPP del 100%. Para las lesiones condrales en acetábulo y cabeza femoral obtenemos valores más bajos, sensibilidad del 78.5%, especificidad del 82%, VPP del 73% y VPN del 80% para las acetabulares, sensibilidad del 71.5%, especificidad del 73%, VPP del 62.5% y VPN del 80% en las femorales.</p></span> <span id="abst0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0050">Conclusiones</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Dadas la alta sensibilidad para la detección de lesiones labrales y la alta especificidad para determinar la presencia de deformidad en giba, la artrorresonancia magnética directa de cadera supone una buena herramienta diagnóstica en el atrapamiento femoroacetabular.</p></span>" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abst0025" "titulo" => "Introducción" ] 1 => array:2 [ "identificador" => "abst0030" "titulo" => "Material y método" ] 2 => array:2 [ "identificador" => "abst0035" "titulo" => "Resultado" ] 3 => array:2 [ "identificador" => "abst0040" "titulo" => "Conclusiones" ] ] ] ] "NotaPie" => array:1 [ 0 => array:2 [ "etiqueta" => "☆" "nota" => "<p class="elsevierStyleNotepara" id="npar0005">Please cite this article as: González Gil AB, Llombart Blanco R, Díaz de Rada P. Validez de la artrorresonancia magnética como herramienta diagnóstica en el síndrome de atrapamiento femoroacetabular. Rev Esp Cir Ortop Traumatol. 2015;59:281–286.</p>" ] ] "multimedia" => array:4 [ 0 => array:7 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 844 "Ancho" => 1628 "Tamanyo" => 64121 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Graph of demographic data, type of alteration and findings on magnetic resonance arthrography and arthroscopy.</p>" ] ] 1 => array:7 [ "identificador" => "fig0010" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 880 "Ancho" => 1300 "Tamanyo" => 115938 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">45 year old male. In the image on the left, in a coronal section, delamination of the acetabular cartilage and a sublabral cyst can be observed. The images on the right are intra-operative photos which show the chondral lesion seen on MR arthrography.</p>" ] ] 2 => array:7 [ "identificador" => "tbl0005" "etiqueta" => "Table 1" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "tabla" => array:1 [ "tablatextoimagen" => array:1 [ 0 => array:2 [ "tabla" => array:1 [ 0 => """ <table border="0" frame="\n \t\t\t\t\tvoid\n \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="table-head " align="" valign="top" scope="col" style="border-bottom: 2px solid black"> \t\t\t\t\t\t\n \t\t\t\t</th><th class="td" title="table-head " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Yes/yes \t\t\t\t\t\t\n \t\t\t\t</th><th class="td" title="table-head " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">No/no \t\t\t\t\t\t\n \t\t\t\t</th><th class="td" title="table-head " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Yes/no \t\t\t\t\t\t\n \t\t\t\t</th><th class="td" title="table-head " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">No/yes \t\t\t\t\t\t\n \t\t\t\t</th><th class="td" title="table-head " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Total patients \t\t\t\t\t\t\n \t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="table-entry " colspan="6" align="left" valign="top">Femur hump</td></tr><tr title="table-row"><td class="td" title="table-entry " align="left" valign="top">MR arthrogr./arthroscopy \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">26 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">3 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">0 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">36 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry " align="left" valign="top">Acetabular cartilage MR arthrogr./ \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">11 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">18 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">3 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">4 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">36 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry " colspan="6" align="left" valign="top"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="table-entry " colspan="6" align="left" valign="top">Femoral cartilage</td></tr><tr title="table-row"><td class="td" title="table-entry " align="left" valign="top">MR arthrogr./arthroscopy \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">10 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">16 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">4 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">6 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="char" valign="top">36 \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab842433.png" ] ] ] ] "descripcion" => array:1 [ "en" => "<p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">Demographic data, type of alteration and findings on magnetic resonance arthrography (MR arthrography) and arthroscopy.</p>" ] ] 3 => array:7 [ "identificador" => "tbl0010" "etiqueta" => "Table 2" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "tabla" => array:1 [ "tablatextoimagen" => array:1 [ 0 => array:2 [ "tabla" => array:1 [ 0 => """ <table border="0" frame="\n \t\t\t\t\tvoid\n \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="table-head " align="" valign="top" scope="col" style="border-bottom: 2px solid black"> \t\t\t\t\t\t\n \t\t\t\t</th><th class="td" title="table-head " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Sensitivity \t\t\t\t\t\t\n \t\t\t\t</th><th class="td" title="table-head " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Specificity \t\t\t\t\t\t\n \t\t\t\t</th><th class="td" title="table-head " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">PPV \t\t\t\t\t\t\n \t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="table-entry " align="left" valign="top">Labral lesion \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="left" valign="top">20/23 (86.95%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="left" valign="top">10/13 (76.92%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="left" valign="top">20/23 (86.95%) \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry " align="left" valign="top">CAM-type lesion \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="left" valign="top">26/33 (78.78%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="left" valign="top">3/3 (100%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="left" valign="top">26/26 (100%) \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry " align="left" valign="top">Chondral lesion acetabulum \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="left" valign="top">11/14 (78.57%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="left" valign="top">18/22 (81.81%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="left" valign="top">11/15 (73.33%) \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="table-entry " align="left" valign="top">Chondral lesion femur \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="left" valign="top">10/14 (71.43%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="left" valign="top">16/22 (72.72%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="table-entry " align="left" valign="top">10/16 (62.5%) \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab842432.png" ] ] ] ] "descripcion" => array:1 [ "en" => "<p id="spar0060" class="elsevierStyleSimplePara elsevierViewall">Sensitivity, specificity and positive predictive value for each type of lesion.</p>" ] ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0005" "bibliografiaReferencia" => array:16 [ 0 => array:3 [ "identificador" => "bib0085" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Magnetic resonance arthrography of labral disorders in hips with dysplasia and impingement" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:5 [ 0 => "M. Leunig" 1 => "D. Podeszwa" 2 => "M. Beck" 3 => "S. Werlen" 4 => "R. Ganz" ] ] ] ] ] "host" => array:1 [ 0 => array:1 [ "Revista" => array:6 [ "tituloSerie" => "Clin Orthop Relat Res" "fecha" => "2004" "volumen" => "418" "paginaInicial" => "74" "paginaFinal" => "80" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/15043096" "web" => "Medline" ] ] ] ] ] ] ] ] 1 => array:3 [ "identificador" => "bib0090" "etiqueta" => "2" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Femoroacetabular impingement: a cause for osteoarthritis of the hip" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:6 [ 0 => "R. Ganz" 1 => "J. Parvizi" 2 => "M. Beck" 3 => "M. Leunig" 4 => "H. Nštzli" 5 => "K.A. 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2024 November | 1 | 0 | 1 |
2024 October | 18 | 2 | 20 |
2024 September | 12 | 4 | 16 |
2024 August | 18 | 5 | 23 |
2024 July | 10 | 2 | 12 |
2024 June | 20 | 3 | 23 |
2024 May | 10 | 3 | 13 |
2024 April | 14 | 13 | 27 |
2024 March | 29 | 6 | 35 |
2024 February | 22 | 9 | 31 |
2024 January | 7 | 5 | 12 |
2023 December | 12 | 5 | 17 |
2023 November | 10 | 5 | 15 |
2023 October | 17 | 6 | 23 |
2023 September | 10 | 3 | 13 |
2023 August | 18 | 4 | 22 |
2023 July | 14 | 9 | 23 |
2023 June | 47 | 0 | 47 |
2023 May | 59 | 3 | 62 |
2023 April | 64 | 1 | 65 |
2023 March | 28 | 4 | 32 |
2023 February | 19 | 5 | 24 |
2023 January | 23 | 8 | 31 |
2022 December | 35 | 2 | 37 |
2022 November | 41 | 7 | 48 |
2022 October | 27 | 12 | 39 |
2022 September | 24 | 6 | 30 |
2022 August | 24 | 10 | 34 |
2022 July | 44 | 8 | 52 |
2022 June | 16 | 40 | 56 |
2022 May | 26 | 9 | 35 |
2022 April | 26 | 18 | 44 |
2022 March | 54 | 8 | 62 |
2022 February | 27 | 5 | 32 |
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2021 November | 22 | 13 | 35 |
2021 October | 19 | 6 | 25 |
2021 September | 19 | 8 | 27 |
2021 August | 13 | 4 | 17 |
2021 July | 16 | 11 | 27 |
2021 June | 19 | 11 | 30 |
2021 May | 21 | 7 | 28 |
2021 April | 36 | 6 | 42 |
2021 March | 18 | 10 | 28 |
2021 February | 17 | 10 | 27 |
2021 January | 13 | 3 | 16 |
2020 December | 1 | 0 | 1 |
2018 February | 9 | 0 | 9 |
2018 January | 6 | 0 | 6 |
2017 December | 9 | 2 | 11 |
2017 November | 9 | 0 | 9 |
2017 October | 15 | 1 | 16 |
2017 September | 13 | 2 | 15 |
2017 August | 15 | 2 | 17 |
2017 July | 9 | 1 | 10 |
2016 December | 0 | 5 | 5 |
2016 November | 0 | 4 | 4 |
2016 October | 0 | 1 | 1 |
2016 September | 0 | 4 | 4 |
2016 July | 0 | 4 | 4 |
2016 June | 0 | 4 | 4 |
2016 May | 0 | 7 | 7 |
2016 April | 0 | 5 | 5 |
2016 March | 0 | 7 | 7 |
2016 February | 0 | 9 | 9 |
2016 January | 0 | 10 | 10 |
2015 December | 0 | 9 | 9 |
2015 November | 0 | 11 | 11 |
2015 October | 0 | 7 | 7 |
2015 September | 0 | 4 | 4 |
2015 August | 0 | 2 | 2 |
2015 July | 0 | 1 | 1 |