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  • Title: Results of pericardiectomy for constrictive pericarditis : Single-center experience.
    Author: Ak K, Demirbaş E, Ataş H, Birkan Y, Akalın F, Cobanoglu A, Arsan S, İsbir S.
    Journal: Herz; 2017 Feb; 42(1):75-83. PubMed ID: 27255116.
    Abstract:
    BACKGROUND: We evaluated our early and late outcomes after pericardiectomy in patients with constrictive pericarditis (CP). PATIENTS AND METHODS: We retrospectively reviewed 31 patients who underwent pericardiectomy for CP from 1997 to 2015. Their mean age was 49.2 ± 18.5 years and 74.2 % of them were male. The vast majority had severe functional impairment (NYHA class III-IV) with a mean duration of symptoms of 14.2 ± 10.1 months. RESULTS: Early mortality was 9.7 %: n = 3; multiorgan failure (MOF) in 1, respiratory failure in 1, and left heart failure in 1. Preoperative systolic pulmonary artery pressure over 60 mmHg (p = 0.038, odds ratio [OR] = 0.12) and postoperative low cardiac output syndrome (p = 0.005, OR = 13.5) were significant predictors of early mortality in univariate analysis. Mean follow-up time was 57.8 ± 61.9 months (4-216 months). Late mortality was 6.8 % (2/28 patients) and the cause was MOF secondary to end-stage right heart failure. In Kaplan-Meier analyses, actuarial (including early mortality) and event-free survival rates were 83.9 and 51.1 % at 216 months, respectively. At the end of follow-up, the majority of patients (23/26, 92.9 %) were in good functional status (NYHA class I-II). There were fewer patients under diuretic therapy in the postoperative than in the preoperative period; however, the difference was not statistically significant (12/31 vs. 4/26, p = 0.76). There was no significant difference between the preoperative and follow-up tricuspid annular plane systolic excursion values (15.5 ± 2.2 and 16.6 ± 2.2 mm, respectively, p = 0.088). Left ventricular systolic function was preserved in all patients postoperatively. CONCLUSION: Although early mortality after pericardiectomy remains high, the procedure provides significant improvement in functional status in the long term.
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