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Uso de bloqueadores beta en pacientes ancianos con insuficiencia cardíaca
Use of betablockers in elderly patients with congestive heart failure
Agustín Urrutiaa,
Autor para correspondencia
aurrutia@ns.hugtip.scs.es

Correspondencia: Dr. A. Urrutia. Servicio de Medicina Interna. Hospital Universitari Germans Trias i Pujol. Ctra. de Canyet, s/n. Badalona. Barcelona. España. aurrutia@ns.hugtip.scs.es
, Josep Lupóna, Salvador Altimira, Beatriz Gonzáleza, Joan Herrerosa, Crisanto Díeza, Ramón Colla, Vicente Vallea, Celestino Rey-Jolya
a Unidad de Insuficiencia Cardíaca. Hospital Universitari Germans Trias i Pujol. Universitat Autònoma de Barcelona. Badalona. Barcelona. España
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        "resumen" => "<span class="elsevierStyleSectionTitle">Fundamento y objetivo</span><br/><p class="elsevierStylePara">Diversos estudios han demostrado que los bloqueadores beta &#40;BB&#41; disminuyen la mortalidad en los pacientes afectados de insuficiencia card&#237;aca &#40;IC&#41;&#44; pero son pocos los estudios dirigidos espec&#237;ficamente a la poblaci&#243;n realmente anciana&#46; Nuestro objetivo es analizar las caracter&#237;sticas de los pacientes ancianos con IC tratados con BB y si este tratamiento se relaciona con una mejor evoluci&#243;n&#46;</p><span class="elsevierStyleSectionTitle">Pacientes y m&#233;todo</span><br/><p class="elsevierStylePara">Hemos estudiado las caracter&#237;sticas cl&#237;nicas y funcionales de los pacientes de edad igual o superior a 75 a&#241;os atendidos en la Unidad de Insuficiencia Card&#237;aca de nuestro hospital&#44; hemos analizado las caracter&#237;sticas diferenciales de los que tomaban BB frente a los que no los tomaban y evaluado la mortalidad de los 2 grupos de pacientes&#46;</p><span class="elsevierStyleSectionTitle">Resultados</span><br/><p class="elsevierStylePara">Un total de 47 de 107 pacientes recibi&#243; tratamiento con BB&#46; S&#243;lo en 3 pacientes fue preciso retirar la medicaci&#243;n por intolerancia o efectos secundarios&#46; El grupo que no recibi&#243; tratamiento era algo mayor&#44; estaba en peor clase de la New York Heart Association &#40;NYHA&#41;&#44; ten&#237;a mayor prevalencia de enfermedad pulmonar obstructiva cr&#243;nica &#40;EPOC&#41;&#44; aunque las diferencias no eran estad&#237;sticamente significativas&#44; y mostraba peor situaci&#243;n funcional&#46; Los que recibieron BB ten&#237;an mayor frecuencia de cardiopat&#237;a isqu&#233;mica&#46; Las razones por las que algunos pacientes no los recibieron fueron estenosis a&#243;rtica importante &#40;n&#61;2&#41;&#44; insuficiencia mitral grave &#40;n&#61;9&#41;&#44; asma-EPOC &#40;n&#61;28&#41;&#44; vasculopat&#237;a perif&#233;rica &#40;n&#61;16&#41; y fragilidad &#40;n&#61;9&#41;&#46; La cuarta parte de los pacientes tratados con BB alcanz&#243; la dosis plena o el escal&#243;n de dosificaci&#243;n previo&#46; La mortalidad tanto al a&#241;o &#40;un 5&#44;7 frente al 27&#44;6&#37;&#41; como a los 2 a&#241;os &#40;el 20&#44;68 frente al 60&#37;&#41; fue significativamente inferior &#40;p&#61;0&#44;01 y p&#61;0&#44;002&#44; respectivamente&#41; en los que pudieron recibir BB que en los no tratados&#46;</p><span class="elsevierStyleSectionTitle">Conclusiones</span><br/><p class="elsevierStylePara">En nuestra experiencia&#44; aproximadamente el 44&#37; de los pacientes ancianos con IC de diversa etiolog&#237;a son tratados con BB&#44; con buena tolerancia&#46; Es m&#225;s probable que estos f&#225;rmacos se administren a los ancianos con cardiopat&#237;a isqu&#233;mica&#44; en mejor clase de la NYHA&#44; con menor deterioro funcional y que no presenten EPOC grave&#46; Los ancianos con IC que pueden recibir tratamiento con BB tienen menor mortalidad al a&#241;o y a los 2 a&#241;os&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Background and objective</span><br/><p class="elsevierStylePara">Few studies of betablockers &#40;BB&#41; have been performed specifically in older patients with congestive heart failure &#40;CHF&#41;&#46; We evaluated the characteristics of elderly patients with CHF treated with BB&#46; Moreover&#44; we assessed whether BB are associated with a better outcome in them&#46;</p><span class="elsevierStyleSectionTitle">Patients and method</span><br/><p class="elsevierStylePara">We evaluated clinical and functional characteristics of patients aged &#8805; 75 years with CHF treated with or without BB&#44; with special interest being paid in the mortality&#46;</p><span class="elsevierStyleSectionTitle">Results</span><br/><p class="elsevierStylePara">47 out of 107 patients were treated with BB&#46; Only in 3 it was necessary to withdraw BB&#46; Patients treated with no BB were older&#44; with a higher New York Heart Association &#40;NYHA&#41; class&#44; more prevalent chronic obstructive pulmonary disease &#40;COPD&#41; and in poorer functional situation&#46; In patients treated with BB&#44; ischemic heart disease was more prevalent&#46; Reasons for &#171;no treatment with BB&#187; were severe aortic stenosis &#40;n&#61;2&#41;&#44; severe mitral regurgitation &#40;n&#61;9&#41;&#44; asthma-COPD &#40;n&#61;28&#41;&#44; arterial disease &#40;n&#61;16&#41; and fragility &#40;n&#61;9&#41;&#46; 25&#37; of the patients on BB reached the target dose&#46; One-year mortality &#40;5&#46;7&#37; vs 27&#46;6&#37;&#41; and 2-year mortality &#40;20&#46;68&#37; vs 60&#37;&#41; were both significantly lower &#40;p&#61;0&#46;01 and p&#61;0&#46;002&#44; respectively&#41; in patients on BB&#46;</p><span class="elsevierStyleSectionTitle">Conclusions</span><br/><p class="elsevierStylePara">44&#37; of our elderly patients with CHF received BB with good tolerance&#46; Patients treated with BB were younger&#44; with more ischemic heart disease&#44; better NYHA class&#44; less functional deterioration and without COPD&#46; One-year and two-year mortality in patients who can receive BB were lower&#46;</p>"
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