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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">Although surgical pulmonarythromboendarterectomy is the treatment of choice forpulmonary hypertension due to chronic thrombotic and&#47;orembolic disease&#44; minimally invasive endovasculartechniques such as angioplasty or placement of a metallicstent can provide acceptable results when surgery is notindicated or has been refused by the patient&#46;</p> <span class="elsevierStyleSectionTitle">Patients and methods</span><p class="elsevierStyleSimplePara elsevierViewall">Eight patients &#40;5 men&#44; 3 women&#59;mean age&#44; 62&#46;6 years&#41; were treated&#46; The patients were in New York Heart Association &#40;NYHA&#41; class III or IV andhad a mean pulmonary artery pressure of 40 mm Hg ormore&#44; a capillary wedge pressure of 15 mm Hg or less&#44; and a Miller index greater than 0&#46;5&#46; In all cases&#44; diagnosis was based on Doppler echocardiography&#44; pulmonaryangiography&#44; hemodynamic evaluation&#44; and ventilation-perfusion scintigraphy&#46; All patients received fibrinolytictherapy and underwent angioplasty&#46; A metallic stent wasimplanted in 3 patients&#46; Follow-up echocardiographicassessment and ventilation-perfusion scans were scheduledat 1&#44; 3&#44; 6&#44; and 12 months&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">The procedures were technically successful in allcases&#46; The mean follow-up period was 18&#46;7 months&#46; Minorcomplications were extrasystoles &#40;3 cases&#41;&#44; slight bruising atthe site of puncture &#40;1 case&#41;&#44; and rectal bleeding thatresolved without treatment &#40;1 case&#41;&#46; One patient died froman unknown cause 24 hours after the procedure&#46; In all othercases&#44; improvements were noted in NYHA functional class&#44; in hemodynamics demonstrated by echocardiography&#44; andin vascular structure as shown by arteriography andscintigraphy&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">Minimally invasive endovascularinterventions can help improve pulmonary arterialhypertension due to chronic thrombotic and&#47;or embolicdisease in patients for whom medical or surgical treatmentis not possible&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p class="elsevierStyleSimplePara elsevierViewall">Aunque la tromboendarterectom&#237;a pulmonarquir&#250;rgica es el tratamiento de elecci&#243;n en la hipertensi&#243;narterial cr&#243;nica de origen tromboemb&#243;lico&#44; cuando no hayindicaci&#243;n quir&#250;rgica o el paciente rechaza la cirug&#237;a sepuede recurrir a t&#233;cnicas endovasculares de m&#237;nima inva-si&#243;n &#40;angioplastia y pr&#243;tesis met&#225;lica&#41; con aceptables resul-tados&#46;</p> <span class="elsevierStyleSectionTitle">Pacientes y m&#233;todos</span><p class="elsevierStyleSimplePara elsevierViewall">Se trat&#243; a 8 pacientes &#40;5 varones y3 mujeres&#41; con una media de edad de 62&#44;6 a&#241;os&#44; en clase IIIo IV de la clasificaci&#243;n de la New York Heart Association&#40;NYHA&#41;&#44; con presi&#243;n arterial pulmonar media de 40 mmHgo superior&#44; presi&#243;n capilar enclavada de 15 mmHg o menore &#237;ndice de Miller mayor de 0&#44;5&#46; En todos los casos el diag-n&#243;stico se estableci&#243; por ecograf&#237;a Doppler card&#237;aca&#44; angio-graf&#237;a pulmonar&#44; estudio hemodin&#225;mico y gammagraf&#237;a deventilaci&#243;n-perfusi&#243;n&#46; Se realiz&#243; tratamiento fibrinol&#237;tico se-guido de angioplastia en todos los casos&#44; y se coloc&#243; una pr&#243;-tesis met&#225;lica en 3&#46; Se realizaron revisiones cl&#237;nicas al cabode 1&#44; 3&#44; 6 y 12 meses mediante ecograf&#237;a y gammagraf&#237;a&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">El &#233;xito t&#233;cnico del procedimiento fue del100&#37;&#46; El seguimiento medio fue de 18&#44;7 meses&#46; Como com-plicaciones menores se produjeron extras&#237;stoles en 3 casos&#59;hematoma leve en la zona de punci&#243;n en un caso&#44; y rectorra-gia&#44; que remiti&#243; sin tratamiento&#44; en otro&#46; Una paciente mu-ri&#243; por causa desconocida al cabo de 24 h&#46; En todos los casosrevisados se observaron una mejor&#237;a en la clasificaci&#243;n de laNYHA&#44; mejora hemodin&#225;mica evidenciada por ecograf&#237;a ymejora morfol&#243;gica objetivada por arteriograf&#237;a y gamma-graf&#237;a&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p class="elsevierStyleSimplePara elsevierViewall">Las t&#233;cnicas endovasculares de m&#237;nimainvasi&#243;n pueden contribuir a mejorar la hipertensi&#243;n arte-rial pulmonar cr&#243;nica debida a tromboembolia en la que noes posible otro tratamiento &#40;farmacol&#243;gico o quir&#250;rgico&#41;&#46;</p>"
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Original Articles
Image-Guided Minimally Invasive Treatment of Pulmonary Arterial Hypertension Due to Embolic Disease
Miguel Ángel de Gregorioa,
Corresponding author
mgregori@unizar.es

Correspondence: Dr M.A. de Gregorio Unidad de Cirugía Mínimamente Invasiva Guiada por Imagen Hospital Clínico Universitario Lozano Blesa. Juan Bosco, 1550006 Zaragoza. Spain
, Alicia Labordaa, Rosario Ortasa, Teresa Higuerab, Javier Gómez-Arruea, Joaquín Medranoa, Antonio Mainara
a Unidad de Cirugía Mínimamente Invasiva Guiada por Imagen, Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain
b Unidad de Hemodinámica, Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">Although surgical pulmonarythromboendarterectomy is the treatment of choice forpulmonary hypertension due to chronic thrombotic and&#47;orembolic disease&#44; minimally invasive endovasculartechniques such as angioplasty or placement of a metallicstent can provide acceptable results when surgery is notindicated or has been refused by the patient&#46;</p> <span class="elsevierStyleSectionTitle">Patients and methods</span><p class="elsevierStyleSimplePara elsevierViewall">Eight patients &#40;5 men&#44; 3 women&#59;mean age&#44; 62&#46;6 years&#41; were treated&#46; The patients were in New York Heart Association &#40;NYHA&#41; class III or IV andhad a mean pulmonary artery pressure of 40 mm Hg ormore&#44; a capillary wedge pressure of 15 mm Hg or less&#44; and a Miller index greater than 0&#46;5&#46; In all cases&#44; diagnosis was based on Doppler echocardiography&#44; pulmonaryangiography&#44; hemodynamic evaluation&#44; and ventilation-perfusion scintigraphy&#46; All patients received fibrinolytictherapy and underwent angioplasty&#46; A metallic stent wasimplanted in 3 patients&#46; Follow-up echocardiographicassessment and ventilation-perfusion scans were scheduledat 1&#44; 3&#44; 6&#44; and 12 months&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">The procedures were technically successful in allcases&#46; The mean follow-up period was 18&#46;7 months&#46; Minorcomplications were extrasystoles &#40;3 cases&#41;&#44; slight bruising atthe site of puncture &#40;1 case&#41;&#44; and rectal bleeding thatresolved without treatment &#40;1 case&#41;&#46; One patient died froman unknown cause 24 hours after the procedure&#46; In all othercases&#44; improvements were noted in NYHA functional class&#44; in hemodynamics demonstrated by echocardiography&#44; andin vascular structure as shown by arteriography andscintigraphy&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">Minimally invasive endovascularinterventions can help improve pulmonary arterialhypertension due to chronic thrombotic and&#47;or embolicdisease in patients for whom medical or surgical treatmentis not possible&#46;</p>"
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ISSN: 15792129
Original language: English
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