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Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Reversal of IFN-gamma, oxLDL and prolactin serum levels correlate with clinical improvement in patients with peripartum cardiomyopathy.
European Journal of Heart Failure 2008 September
AIM: Peripartum cardiomyopathy (PPCM) is characterized by acute onset of heart failure of unknown aetiology. We aimed to identify mechanisms involved in initiation and progression of the disease.
METHODS AND RESULTS: Serum markers related to cardiac function, apoptosis, oxidative stress, remodelling, inflammation and the nursing hormone prolactin were analyzed in PPCM patients and healthy controls. The kinetics of these markers were compared between patients who improved cardiac function (IMP) and those patients who did not improve (NIMP), over 6 months follow-up. All patients received ACE-inhibitors, beta-blockers and diuretics. Baseline levels of TGF-beta-1 were significantly lower, MMP-9 and VEGF were not different; all other markers were significantly higher in PPCM compared with controls. Only baseline NT-proBNP levels were higher in NIMP compared with IMP. After 6 months, NT-proBNP, oxLDL and IFN-gamma were significantly lower in IMP and the decrease in oxLDL, IFN-gamma and prolactin was significant in IMP but not in NIMP. Significant correlations were observed between the kinetics of NT-proBNP, oxLDL, prolactin and IFN-gamma in PPCM patients.
CONCLUSION: Baseline NT-proBNP and the failure to decrease oxLDL, IFN-gamma and prolactin are associated with poor outcome in PPCM, suggesting a potential role of these factors in the pathophysiology of PPCM and for risk stratification of PPCM patients.
METHODS AND RESULTS: Serum markers related to cardiac function, apoptosis, oxidative stress, remodelling, inflammation and the nursing hormone prolactin were analyzed in PPCM patients and healthy controls. The kinetics of these markers were compared between patients who improved cardiac function (IMP) and those patients who did not improve (NIMP), over 6 months follow-up. All patients received ACE-inhibitors, beta-blockers and diuretics. Baseline levels of TGF-beta-1 were significantly lower, MMP-9 and VEGF were not different; all other markers were significantly higher in PPCM compared with controls. Only baseline NT-proBNP levels were higher in NIMP compared with IMP. After 6 months, NT-proBNP, oxLDL and IFN-gamma were significantly lower in IMP and the decrease in oxLDL, IFN-gamma and prolactin was significant in IMP but not in NIMP. Significant correlations were observed between the kinetics of NT-proBNP, oxLDL, prolactin and IFN-gamma in PPCM patients.
CONCLUSION: Baseline NT-proBNP and the failure to decrease oxLDL, IFN-gamma and prolactin are associated with poor outcome in PPCM, suggesting a potential role of these factors in the pathophysiology of PPCM and for risk stratification of PPCM patients.
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