Is there a relationship between left atrium size and p-wave dispersion in patients with lichen planus?

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"tieneTextoCompleto" => true "paginas" => array:1 [ 0 => array:1 [ "paginaInicial" => "1292" ] ] "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "Bilge Bulbul Sen, Emine Nur Rifaioglu, Ali Erayman, Nihat Sen" "autores" => array:4 [ 0 => array:3 [ "nombre" => "Bilge Bulbul" "apellidos" => "Sen" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "I" "identificador" => "aff1" ] ] ] 1 => array:3 [ "nombre" => "Emine Nur" "apellidos" => "Rifaioglu" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "I" "identificador" => "aff1" ] ] ] 2 => array:3 [ "nombre" => "Ali" "apellidos" => "Erayman" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "II" "identificador" => "aff2" ] ] ] 3 => array:4 [ "nombre" => "Nihat" "apellidos" => "Sen" "email" => array:1 [ 0 => "nihatdrsen@yahoo.com" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "III" "identificador" => "aff3" ] 1 => array:2 [ "etiqueta" => "*" "identificador" => "cor1" ] ] ] ] "afiliaciones" => array:3 [ 0 => array:3 [ "entidad" => "Mustafa Kemal University School of Medicine, Department of Dermatology, Hatay/Turkey" "etiqueta" => "I" "identificador" => "aff1" ] 1 => array:3 [ "entidad" => "Pazarcik State Hospital, Department of Cardiology, Kahramanmaras/Turkey" "etiqueta" => "II" "identificador" => "aff2" ] 2 => array:3 [ "entidad" => "Mustafa Kemal University School of Medicine, Department of Cardiology, Hatay/Turkey" "etiqueta" => "III" "identificador" => "aff3" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor1" "etiqueta" => "*" "correspondencia" => "Tel.: +90 326 229 1000" ] ] ] ] "textoCompleto" => "Dear Editor,We read and were quite excited by the recently published article titled “Increased P-wave dispersion in patients with newly diagnosed lichen planus” by Sahin and coworkers (1). The study concluded that Pmax and P-wave dispersion (PWD) were significantly higher in the lichen planus (LP) group than in the control group (78.44±14.14 ms vs. 68.64±11.88 ms, p<0.01; 39.9±12.9 ms vs. 32.4±11.8 ms, p<0.01, respectively). However, Pmin was not significantly different between the groups (38.62±5.44 ms vs. 36.48±6.95 ms, p = 0.09) (<a class="elsevierStyleCrossRef" href="#bib1">1</a>). Prolongation of PWD has been established as an independent risk factor for the development of atrial fibrillation (AF) (<a class="elsevierStyleCrossRef" href="#bib2">2</a>). Therefore, this subject is important with regards to our daily clinical practice, and it deserves to be emphasized because of its successful design and results.Sahin et al. showed (<a class="elsevierStyleCrossRef" href="#bib1">1</a>) that there was a significant positive correlation between highly sensitive C-reactive protein (hsCRP) and PWD (r = 0.54, p<0.01). The authors speculated that although the exact mechanism remains unclear, chronic inflammation may be responsible for the correlation between hsCRP and PWD in these patients. Chronic inflammation persists in LP patients for duration of the disease. Hence, a significant positive correlation between the duration of the disease and PWD is expected. We believe that the evaluation of the relationship between the duration of the disease and PWD will help us to understand the increased frequency of AF in patients with LP.In addition, patients with coronary artery disease (CAD) were excluded from this study (<a class="elsevierStyleCrossRef" href="#bib1">1</a>). As we know, psoriasis, which is a chronic inflammatory skin disease similar to LP, is associated with a high frequency of cardiovascular events (<a class="elsevierStyleCrossRef" href="#bib3">3</a>). Studies have revealed that LP is correlated with cardiovascular risks, including dyslipidemia (<a class="elsevierStyleCrossRef" href="#bib4">4</a>), diabetes mellitus (<a class="elsevierStyleCrossRef" href="#bib5">5</a>), and increased oxidative stress (<a class="elsevierStyleCrossRef" href="#bib6">6</a>). Sahin et al. (<a class="elsevierStyleCrossRef" href="#bib1">1</a>) did not explain why patients with CAD were excluded from their study but patients with subclinical atherosclerosis were not. In a previous study (<a class="elsevierStyleCrossRef" href="#bib7">7</a>), PWD was greater in patients with stable CAD than in patients with normal coronary angiograms and was associated with disease severity (<a class="elsevierStyleCrossRef" href="#bib6">6</a>). We believe that this information is important.Another previous study (<a class="elsevierStyleCrossRef" href="#bib8">8</a>,<a class="elsevierStyleCrossRef" href="#bib9">9</a>) compared P-wave duration and PWD in patients with short- and long-term AF after cardioversion. Using univariate analysis, PWD was determined to be related to AF duration and left atrial size. Sahin et al. (<a class="elsevierStyleCrossRef" href="#bib1">1</a>) did not evaluate the relationship between echocardiographic measurements and PWD. The study results would be more useful if the authors had clarified this topic." 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