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Medline ® Abstract for Reference 44

of 'Peripartum cardiomyopathy: Treatment and prognosis'

44
TI
Peripartum cardiomyopathy: analysis of clinical outcome, left ventricular function, plasma levels of cytokines and Fas/APO-1.
AU
Sliwa K, Skudicky D, Bergemann A, Candy G, Puren A, Sareli P
SO
J Am Coll Cardiol. 2000;35(3):701.
 
OBJECTIVES: 1) To evaluate the outcome of patients with peripartum cardiomyopathy (PPC) on current treatment for heart failure, 2) to assess the circulating plasma levels of cytokines and Fas receptors and 3) to identify predictors of prognosis.
BACKGROUND: Previous studies in patients with PPC were done when angiotensin-converting enzyme (ACE) inhibitors and beta-adrenergic blocking agents were not routinely used in heart failure. Inflammatory cytokines play an important role in the pathogenesis and progression of heart failure of other etiologies. However, there is a paucity of data regarding cytokine expression in patients with PPC. Plasma concentrations of Fas receptors (an apoptosis-signalling receptor) have not been reported in this population.
METHODS: We followed prospectively 29 consecutive black women with PPC. All patients were treated with diuretics, digoxin, enalapril and carvedilol. Echocardiograms were performed at baseline and after six months of treatment. Cytokine and soluble Fas/APO-1 plasma levels were measured at baseline.
RESULTS: Tumor necrosis factor-alpha, interleukin-6 and Fas/APO-1 levels were significantly elevated in the study patients compared with 20 healthy volunteers. Eight patients died. sFas/APO-1 levels were significantly higher in patients who died compared with survivors (8.98 +/- 4.5 vs. 5.33 +/- 3 U/ml, respectively, p = 0.02). At six months, ejection fraction improved from 26.7 +/- 10 to 42.7 +/- 16%, p = 0.00003, with an increment of more than 10 U in 10 patients (28.1 +/- 4 to 51.9 +/- 8%, p = 0.000008).
CONCLUSIONS: Cytokine and sFas levels are elevated in patients with PPC. Despite treatment with ACE inhibitors and beta-blockers, mortality remains high. However, in 34% of the patients, left ventricular function almost completely normalized.
AD
Department of Cardiology, Baragwanath Hospital, Johannesburg, South Africa.
PMID