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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">TO determine the causes of death in patients treated surgically for nonsmall cell lung cancer &#40;NSCLC&#41; in stage IA and to evaluate the impact on survival of not performing systematic lymph node dissection and of the number of nodes resected&#46;</p> <span class="elsevierStyleSectionTitle">Patients and methods</span><p class="elsevierStyleSimplePara elsevierViewall">The study sample consisted of 156 patients operated on for NSCLC and classified in stage IA according to TNM staging&#46; Only palpable or visible lymph nodes were dissected&#46; Kaplan-Meier survival curves were compared using a log-rank test&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">At the end of the study&#44; 85 &#40;54&#46;5&#37;&#41; patients had died&#44; 67 &#40;42&#46;9&#37;&#41; were alive&#44; and 4 &#40;2&#46;5&#37;&#41; were lost to follow up&#46; Twenty-three &#40;14&#46;7&#37;&#41; died from a recurrence of NSCLC&#58; 2 with local tumors &#40;1&#46;2&#37;&#41;&#44; 2 with mediastinal node involvement &#40;1&#46;2&#37;&#41;&#44; and 19 &#40;12&#46;1&#37;&#41; with distant metastasis&#46; The cause of death was unrelated to NSCLC in 62 &#40;39&#46;7&#37;&#41; cases&#58; 33 &#40;21&#46;1&#37;&#41; had a new tumor&#44; 18 of which were bronchogenic&#44; and 29 &#40;18&#46;5&#37;&#41; had nonmalignant disease&#46; The 5-year survival rate was 81&#46;4&#37;&#46; The rate was 88&#46;9&#37; among patients from whom no lymph nodes were excised and 79&#46;9 &#37; among those with node excision&#44; although the difference was not statistically significant &#40;<span class="elsevierStyleItalic">P</span> &#61; &#46;4073&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">Our experience suggests that neither the fact of not performing systematic lymph node dissection nor the number of nodes resected has an impact on survival&#46; A substantial number of patients died of causes unrelated to the NSCLC for which they had been treated&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p class="elsevierStyleSimplePara elsevierViewall">Determinar las causas de mortalidad en los pacientes operados de un carcinoma broncog&#233;nico no anapl&#225;sico de c&#233;lulas peque&#241;as &#40;CBNACP&#41; en estadio IA y el im-pacto que tiene en la supervivencia el hecho de no realizar una disecci&#243;n ganglionar sistem&#225;tica&#44; as&#237; como el n&#250;mero de ganglios resecados&#46;</p> <span class="elsevierStyleSectionTitle">Pacientes Y M&#233;todos</span><p class="elsevierStyleSimplePara elsevierViewall">Se estudi&#243; a 156 pacientes operados de un CBNACP y clasificados en el estadio IA de acuer-do con el sistema tumor&#44; n&#243;dulo&#44; met&#225;stasis patol&#243;gico&#46; S&#243;lo se extirparon los ganglios palpables o visibles&#46; La supervivencia se analiz&#243; con el m&#233;todo de Kaplan-Meier y las cur-vas se compararon mediante el test de rangos logar&#237;tmicos&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">Al finalizar el estudio&#44; 85 &#40;54&#44;5&#37;&#41; pacientes hab&#237;an fallecido&#44; 67 &#40;42&#44;9&#37;&#41; estaban vivos y 4 &#40;2&#44;5&#37;&#41; se ha-b&#237;an perdido en el seguimiento&#46; Veintitr&#233;s &#40;14&#44;7&#37;&#41; pacientes fallecieron por recidiva del CBNACP&#58; 2 por recidiva local &#40;1&#44;2&#37;&#41;&#44; otros 2 en el ganglio mediast&#237;nico &#40;1&#44;2&#37;&#41; y 19 &#40;12&#44;1&#37;&#41; por met&#225;stasis a distancia&#46; En 62 &#40;39&#44;7&#37;&#41; de los casos la causa de la muerte no estuvo relacionada con el CBNACP&#58; 33 &#40;21&#44;1&#37;&#41; fallecieron por aparici&#243;n de un nuevo c&#225;ncer&#44; 18 de los cuales fueron broncog&#233;nicos&#44; y 29 &#40;18&#44;5&#37;&#41; por enfermeda-des no tumorales&#46; La supervivencia a los 5 a&#241;os fue del 81&#44;4&#37;&#46; Cuando no se extirp&#243; ning&#250;n ganglio&#44; la supervivencia fue del 88&#44;9&#37;&#44; mientras que cuando se extirparon fue del 79&#44;9&#37;&#44; aunque la diferencia no fue significativa &#40;p &#61; 0&#44;4073&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p class="elsevierStyleSimplePara elsevierViewall">En nuestra experiencia&#44; ni el hecho de no realizar disecci&#243;n ganglionar sistem&#225;tica ni el n&#250;mero de ganglios extirpados han tenido una influencia en la supervivencia a los 5 a&#241;os&#46; Un n&#250;mero considerable de pacientes fa-lleci&#243; de una causa distinta del CBNACP del que se les hab&#237;a operado&#46;</p>"
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Original Articles
Non-small Cell Lung Cancer in Stage IA: Mortality Patterns After Surgery
J. Padilla
Corresponding author
jpadilla@comv.es

Correspondence: Dr. J. Padilla. Servicio de Cirugía Torácica. Hospital Universitario La Fe. Avda. de Campanar, 21. 46009 Valencia. España
, J.C. Peñalver, C. Jordá, V. Calvo, J. Escrivá, J. Cerón, A. García Zarza, J. Pastor, E. Blasco
Servicio de Cirugía Torácica, Hospital Universitario La Fe, Valencia, Spain
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p class="elsevierStyleSimplePara elsevierViewall">Determinar las causas de mortalidad en los pacientes operados de un carcinoma broncog&#233;nico no anapl&#225;sico de c&#233;lulas peque&#241;as &#40;CBNACP&#41; en estadio IA y el im-pacto que tiene en la supervivencia el hecho de no realizar una disecci&#243;n ganglionar sistem&#225;tica&#44; as&#237; como el n&#250;mero de ganglios resecados&#46;</p> <span class="elsevierStyleSectionTitle">Pacientes Y M&#233;todos</span><p class="elsevierStyleSimplePara elsevierViewall">Se estudi&#243; a 156 pacientes operados de un CBNACP y clasificados en el estadio IA de acuer-do con el sistema tumor&#44; n&#243;dulo&#44; met&#225;stasis patol&#243;gico&#46; S&#243;lo se extirparon los ganglios palpables o visibles&#46; La supervivencia se analiz&#243; con el m&#233;todo de Kaplan-Meier y las cur-vas se compararon mediante el test de rangos logar&#237;tmicos&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">Al finalizar el estudio&#44; 85 &#40;54&#44;5&#37;&#41; pacientes hab&#237;an fallecido&#44; 67 &#40;42&#44;9&#37;&#41; estaban vivos y 4 &#40;2&#44;5&#37;&#41; se ha-b&#237;an perdido en el seguimiento&#46; Veintitr&#233;s &#40;14&#44;7&#37;&#41; pacientes fallecieron por recidiva del CBNACP&#58; 2 por recidiva local &#40;1&#44;2&#37;&#41;&#44; otros 2 en el ganglio mediast&#237;nico &#40;1&#44;2&#37;&#41; y 19 &#40;12&#44;1&#37;&#41; por met&#225;stasis a distancia&#46; En 62 &#40;39&#44;7&#37;&#41; de los casos la causa de la muerte no estuvo relacionada con el CBNACP&#58; 33 &#40;21&#44;1&#37;&#41; fallecieron por aparici&#243;n de un nuevo c&#225;ncer&#44; 18 de los cuales fueron broncog&#233;nicos&#44; y 29 &#40;18&#44;5&#37;&#41; por enfermeda-des no tumorales&#46; La supervivencia a los 5 a&#241;os fue del 81&#44;4&#37;&#46; Cuando no se extirp&#243; ning&#250;n ganglio&#44; la supervivencia fue del 88&#44;9&#37;&#44; mientras que cuando se extirparon fue del 79&#44;9&#37;&#44; aunque la diferencia no fue significativa &#40;p &#61; 0&#44;4073&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p class="elsevierStyleSimplePara elsevierViewall">En nuestra experiencia&#44; ni el hecho de no realizar disecci&#243;n ganglionar sistem&#225;tica ni el n&#250;mero de ganglios extirpados han tenido una influencia en la supervivencia a los 5 a&#241;os&#46; Un n&#250;mero considerable de pacientes fa-lleci&#243; de una causa distinta del CBNACP del que se les hab&#237;a operado&#46;</p>"
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ISSN: 15792129
Original language: English
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2014 May 83 9 92
2014 April 46 4 50
2014 March 62 7 69
2014 February 55 8 63
2014 January 65 8 73
2013 December 30 9 39
2013 November 34 6 40
2013 October 42 4 46
2013 September 40 12 52
2013 August 27 8 35
2013 July 42 10 52
2013 June 27 7 34
2013 May 30 5 35
2013 April 25 6 31
2013 March 6 2 8
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Archivos de Bronconeumología

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