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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">Treatment with bosentan improves exercise capacity in patients with pulmonary hypertension&#46; Few studies have assessed treatment with this drug over long periods&#46; The aim was therefore to assess long-term treatment with bosentan&#46;</p> <span class="elsevierStyleSectionTitle">Patients and methods</span><p class="elsevierStyleSimplePara elsevierViewall">A group of 22 functional class III patients&#8212;18 women and 4 men&#44; mean age&#44; 45&#46;5 years &#40;range&#44; 19-77 years&#41;&#8212;with pulmonary hypertension were treated with bosentan between April 2002 and June 2005&#46; Pulmonary hypertension was idiopathic in 10 patients&#46; In the remaining patients&#44; etiologies were associated with compensated heart failure &#40;n&#61;4&#41;&#44; scleroderma &#40;n&#61;4&#41;&#44; peripheral embolism &#40;n&#61;3&#41;&#44; and portal hypertension &#40;n&#61;1&#41;&#46; Clinical and hemodynamic variables and their changes between baseline and the end of study were analyzed&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">The mean duration of follow-up of the patients was 15&#46;7 months &#40;range&#44; 12&#46;6-31&#46;8 months&#41;&#46; Functional class improved or stabilized after 3 months of treatment in 21 &#40;95&#37;&#41; and after 1 year in 14 &#40;64&#37;&#41;&#46; At 3 months&#44; the distance covered in the 6-minute walk test increased by a mean of 64&#46;5 m&#44; an improvement that was maintained at 6&#44; 12&#44; and 18 months&#46; Treatment was interrupted in 4 patients &#40;18&#37;&#41;&#46; Reasons for discontinuation were death in 2 patients&#44; deterioration in 1 patient&#44; and intolerance of the medication in 1 patient&#46; Treatment was ineffective for 4 patients &#40;18&#37;&#41;&#46; No patient experienced notable liver toxicity&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">The results of this study suggest that treatment with bosentan is associated with long-term improvement in clinical variables and exercise capacity in approximately two thirds of the patients with pulmonary hypertension&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p class="elsevierStyleSimplePara elsevierViewall">El tratamiento con bosent&#225;n mejora la capacidad de ejercicio de los pacientes con hipertensi&#243;n pulmonar&#46; Son muy escasos los estudios que eval&#250;an este tratamiento a largo plazo&#44; que es el objetivo propuesto en el presente trabajo&#46;</p> <span class="elsevierStyleSectionTitle">Pacientes y m&#233;todos</span><p class="elsevierStyleSimplePara elsevierViewall">Un grupo de 22 pacientes &#8722;18 mu-jeres y 4 varones&#44; con una edad media de 45&#44;5 a&#241;os &#40;rango&#58; 19-77 a&#241;os&#41;- con hipertensi&#243;n pulmonar en clase funcional III recibieron tratamiento con bosent&#225;n entre abril de 2002 y junio de 2005&#46; La hipertensi&#243;n pulmonar era idiop&#225;tica en 10 casos y estaba asociada a cardiopat&#237;a corregida &#40;n &#61; 4&#41;&#44; escle-rodermia &#40;n &#61; 4&#41;&#44; embolia perif&#233;rica &#40;n &#61; 3&#41; e hipertensi&#243;n portal &#40;n &#61; 1&#41; en los restantes&#46; Se estudiaron los datos cl&#237;nicos y hemodin&#225;micos y los cambios que hab&#237;an experimentado desde el inicio del tratamiento hasta el fin del estudio&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">El seguimiento medio de los pacientes fue de 15&#44;7 meses &#40;rango&#58; 12&#44;6-31&#44;8&#41;&#46; La clase funcional mejor&#243; o se estabiliz&#243; a los 3 meses de tratamiento en 21 &#40;95&#37;&#41; y al a&#241;o en 14 &#40;64&#37;&#41;&#46; La distancia recorrida en la prueba de la mar-cha de 6 min se increment&#243; a los 3 meses de tratamiento una media de 64&#44;5 m&#44; mejor&#237;a que se mantuvo a los 6&#44; 12 y 18 meses&#46; El tratamiento se interrumpi&#243; en 4 pacientes &#40;18&#37;&#41;&#58; por muerte en 2 casos&#44; por empeoramiento en uno y por in-tolerancia a la medicaci&#243;n en otro&#46; En otros 4 pacientes &#40;18&#37;&#41; se objetiv&#243; falta de eficacia&#46; Ning&#250;n paciente present&#243; hepatotoxicidad remarcable&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p class="elsevierStyleSimplePara elsevierViewall">Los resultados del presente estudio apo-yan la idea de que el tratamiento con bosent&#225;n se asocia a una mejor&#237;a cl&#237;nica y de la capacidad de ejercicio a largo plazo en aproximadamente dos terceras partes de los pacientes con hipertensi&#243;n pulmonar&#46;</p>"
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Vol. 42. Issue 12.
Pages 616-620 (December 2006)
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Vol. 42. Issue 12.
Pages 616-620 (December 2006)
Original Articles
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Long-term Outcomes of Treatment With Bosentan in Pulmonary Hypertension
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Antonio Romána,
Corresponding author
aroman@vhebron.net

Correspondence: Dr. A. Román. Servei de Pneumologia. Hospital Universitari Vall d'Hebron. Pg. Vall d'Hebron, 119-129. 08035 Barcelona. España
, Pilar Gisperta, Víctor Monfortea, Carlos Bravoa, Enric Domingob, Ferran Morella
a Servei de Pneumologia, Hospital Universitari Vall d'Hebron, Barcelona, Spain
b Servei de Cardiologia, Hospital Universitari Vall d'Hebron, Barcelona, Spain
Related content
Arch Bronconeumol. 2007;43:24310.1016/S1579-2129(07)60060-3
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Article information
Objective

Treatment with bosentan improves exercise capacity in patients with pulmonary hypertension. Few studies have assessed treatment with this drug over long periods. The aim was therefore to assess long-term treatment with bosentan.

Patients and methods

A group of 22 functional class III patients—18 women and 4 men, mean age, 45.5 years (range, 19-77 years)—with pulmonary hypertension were treated with bosentan between April 2002 and June 2005. Pulmonary hypertension was idiopathic in 10 patients. In the remaining patients, etiologies were associated with compensated heart failure (n=4), scleroderma (n=4), peripheral embolism (n=3), and portal hypertension (n=1). Clinical and hemodynamic variables and their changes between baseline and the end of study were analyzed.

Results

The mean duration of follow-up of the patients was 15.7 months (range, 12.6-31.8 months). Functional class improved or stabilized after 3 months of treatment in 21 (95%) and after 1 year in 14 (64%). At 3 months, the distance covered in the 6-minute walk test increased by a mean of 64.5 m, an improvement that was maintained at 6, 12, and 18 months. Treatment was interrupted in 4 patients (18%). Reasons for discontinuation were death in 2 patients, deterioration in 1 patient, and intolerance of the medication in 1 patient. Treatment was ineffective for 4 patients (18%). No patient experienced notable liver toxicity.

Conclusions

The results of this study suggest that treatment with bosentan is associated with long-term improvement in clinical variables and exercise capacity in approximately two thirds of the patients with pulmonary hypertension.

Key words:
Bosentan
Endothelin receptors
Pulmonary hypertension
Objetivo

El tratamiento con bosentán mejora la capacidad de ejercicio de los pacientes con hipertensión pulmonar. Son muy escasos los estudios que evalúan este tratamiento a largo plazo, que es el objetivo propuesto en el presente trabajo.

Pacientes y métodos

Un grupo de 22 pacientes −18 mu-jeres y 4 varones, con una edad media de 45,5 años (rango: 19-77 años)- con hipertensión pulmonar en clase funcional III recibieron tratamiento con bosentán entre abril de 2002 y junio de 2005. La hipertensión pulmonar era idiopática en 10 casos y estaba asociada a cardiopatía corregida (n = 4), escle-rodermia (n = 4), embolia periférica (n = 3) e hipertensión portal (n = 1) en los restantes. Se estudiaron los datos clínicos y hemodinámicos y los cambios que habían experimentado desde el inicio del tratamiento hasta el fin del estudio.

Resultados

El seguimiento medio de los pacientes fue de 15,7 meses (rango: 12,6-31,8). La clase funcional mejoró o se estabilizó a los 3 meses de tratamiento en 21 (95%) y al año en 14 (64%). La distancia recorrida en la prueba de la mar-cha de 6 min se incrementó a los 3 meses de tratamiento una media de 64,5 m, mejoría que se mantuvo a los 6, 12 y 18 meses. El tratamiento se interrumpió en 4 pacientes (18%): por muerte en 2 casos, por empeoramiento en uno y por in-tolerancia a la medicación en otro. En otros 4 pacientes (18%) se objetivó falta de eficacia. Ningún paciente presentó hepatotoxicidad remarcable.

Conclusiones

Los resultados del presente estudio apo-yan la idea de que el tratamiento con bosentán se asocia a una mejoría clínica y de la capacidad de ejercicio a largo plazo en aproximadamente dos terceras partes de los pacientes con hipertensión pulmonar.

Palabras clave:
Bosentán
Receptores de la endotelina
Endotelina
Hipertensión arterial pulmonar
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Copyright © 2006. Sociedad Española de Neumología y Cirugía Torácica (SEPAR)
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