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J Card Surg. 2003 May-Jun;18(3):190-6.

Early and late results of partial left ventriculectomy: single center experience and review of the literature.

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1
Bristol Heart Institute, University of Bristol, Bristol, England, United Kingdom.

Abstract

AIM:

To evaluate early and late outcome of partial left ventriculectomy (PLV) in a single center and to conduct a review of the literature.

METHODS:

From February 1996 to August 2001, 24 patients with dilated cardiomyopathy (DCM) (12 idiopathic, 12 ischemic) underwent PLV. Perioperative and follow-up data were prospectively entered into a database and analyzed. An observational analysis of the literature was carried out of all the published series of PLV reporting on > or =15 patients.

RESULTS:

In our series there were 22 males with amean age of 65 years (range 49 to73). Of the 22, there were 3 (12.5%) in-hospital deaths. Mean duration of follow-up was 26 months (range 3 to 71) with 9 late deaths (38%), 6 in the idiopathic group. The five-year actuarial survival was 74% in the ischemic group and 33% in the idiopathic group. The observational analysis of literature included a total of 506 patients (425 males, age 50.2 +/- 5.2 years)]. The etiology was idiopathic in 255 (50.4%), and ischemic in 89 (17.6%) patients. Baseline characteristics of the whole population include: ejection fraction 18.9 +/- 3.9%, NYHA functional class 3.7 +/- 0.2, and LVEDD of 7.7 +/- 0.4 cm. Severe mitral regurgitation was present in 368 (72.7%) patients. There were 88 (17.4%) in-hospital deaths. Cause of death included 55 due to (62.5%) low cardiac output, 10 (11.3%) due to severe bleeding, 7 (7.95%) caused by malignant arrhythmias, 8 (9%) due to sepsis, and 5 (5.7%) as a result of stroke. Ten of the selected series (overall 386 patients) reported late outcome. There were 89 (22.9%) late deaths, 12 (13.5%) were not cardiac-related, 50 (56.2%) were due to recurrence of congestive heart failure (CHF), 20 (22.5%) caused by sudden arrhythmias, 5 (5.6%) due to infections, and 2 (2.2%) from strokes. Overall, there were 248 (64.2%) survivors, of whom 179 (72.17%) were reported to be in NYHA functional class I or II. All 10 papers reported one-year survival ranging from 50% to 85%. Seven reported a two-year survival of 45% to 72%, and 4 reported a three-year survival of 33% to 64%.

CONCLUSIONS:

Our results and the review of the literature seem to suggest a relatively high early mortality with satisfactory late results of PLV in patients with dilated cardiomyopathy.

PMID:
12809391
[Indexed for MEDLINE]

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