Document Detail

Improvement of tricuspid regurgitation after pulmonary thromboendarterectomy.
MedLine Citation:
PMID:  20519289     Owner:  NLM     Status:  MEDLINE    
Chronic thromboembolic pulmonary hypertension causes right ventricular dilation with various degrees of tricuspid regurgitation, leading to right heart failure. Pulmonary thromboendarterectomy can substantially improve pulmonary hemodynamics and right ventricular dilation. The aim of this study was to determine whether the reduction of tricuspid regurgitation persists during follow-up. We studied 26 patients undergoing pulmonary thromboendarterectomy without repair of tricuspid regurgitation; 24 were followed up for 7 to 59 months after surgery (mean, 33 months). Echocardiographic and right heart catheterization data were obtained before and early after surgery. Severity of tricuspid regurgitation and tricuspid pressure gradient were evaluated at follow-up. Two patients died early after surgery, but none died during follow-up. Pulmonary thromboendarterectomy substantially improved pulmonary hemodynamics and right ventricular dilation. Tricuspid regurgitation graded severe in 5 patients and moderate in another 5, improved to trivial or mild postoperatively. The decreases in tricuspid pressure gradient and regurgitation early after surgery persisted during follow-up.
Keiichi Ishida; Masahisa Masuda; Mizuho Imamaki; Masayoshi Katsumata; Takuto Maruyama; Masaru Miyazaki
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Asian cardiovascular & thoracic annals     Volume:  18     ISSN:  1816-5370     ISO Abbreviation:  Asian Cardiovasc Thorac Ann     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-06-03     Completed Date:  2010-09-14     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9503417     Medline TA:  Asian Cardiovasc Thorac Ann     Country:  Singapore    
Other Details:
Languages:  eng     Pagination:  229-33     Citation Subset:  IM    
Division of Cardiovascular Surgery, Department of General Surgery, Graduate School of Medicine, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba, Japan.
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MeSH Terms
Echocardiography, Doppler
Endarterectomy* / adverse effects,  mortality
Heart Catheterization
Hypertension, Pulmonary / complications,  diagnosis,  mortality,  physiopathology,  surgery*
Hypertrophy, Right Ventricular / etiology,  surgery
Middle Aged
Pulmonary Artery / physiopathology,  surgery*,  ultrasonography
Recovery of Function
Severity of Illness Index
Time Factors
Treatment Outcome
Tricuspid Valve Insufficiency / diagnosis,  etiology,  mortality,  physiopathology,  surgery*
Young Adult

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