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Cannon, John E; Su, Li; Kiely, David G; Page, Kathleen; Toshner, Mark; Swietlik, Emilia; Treacy, Carmen; Ponnaberanam, Anie; Condliffe, Robin; Sheares, Karen; Taboada, Dolores; Dunning, John; Tsui, Steven; Ng, Choo; Gopalan, Deepa; Screaton, Nicholas; Elliot, Charlie; Gibbs, Simon; Howard, Luke; Corris, Paul; Lordan, James; Johnson, Martin; Peacock, Andrew; MacKenzie-Ross, Robert; Schreiber, Benji; Coghlan, Gerry; Dimopoulos, Kostas; Wort, Stephen J; Gaine, Sean; Moledina, Shahin; Jenkins, David P; Pepke-Zaba, Joanna
Circulation (New York, N.Y.), 05/2016, Letnik: 133, Številka: 18Journal Article
Chronic thromboembolic pulmonary hypertension results from incomplete resolution of pulmonary emboli. Pulmonary endarterectomy (PEA) is potentially curative, but residual pulmonary hypertension following surgery is common and its impact on long-term outcome is poorly understood. We wanted to identify factors correlated with poor long-term outcome after surgery and specifically define clinically relevant residual pulmonary hypertension post-PEA. Eight hundred eighty consecutive patients (mean age, 57 years) underwent PEA for chronic thromboembolic pulmonary hypertension. Patients routinely underwent detailed reassessment with right heart catheterization and noninvasive testing at 3 to 6 months and annually thereafter with discharge if they were clinically stable at 3 to 5 years and did not require pulmonary vasodilator therapy. Cox regressions were used for survival (time-to-event) analyses. Overall survival was 86%, 84%, 79%, and 72% at 1, 3, 5, and 10 years for the whole cohort and 91% and 90% at 1 and 3 years for the recent half of the cohort. The majority of patient deaths after the perioperative period were not attributable to right ventricular failure (chronic thromboembolic pulmonary hypertension). At reassessment, a mean pulmonary artery pressure of ≥30 mm Hg correlated with the initiation of pulmonary vasodilator therapy post-PEA. A mean pulmonary artery pressure of ≥38 mm Hg and pulmonary vascular resistance ≥425 dynes·s(-1)·cm(-5) at reassessment correlated with worse long-term survival. Our data confirm excellent long-term survival and maintenance of good functional status post-PEA. Hemodynamic assessment 3 to 6 months and 12 months post-PEA allows stratification of patients at higher risk of dying of chronic thromboembolic pulmonary hypertension and identifies a level of residual pulmonary hypertension that may guide the long-term management of patients postsurgery.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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