PMID- 28373243 OWN - NLM STAT- MEDLINE DCOM- 20171023 LR - 20220410 IS - 2047-9980 (Electronic) IS - 2047-9980 (Linking) VI - 6 IP - 4 DP - 2017 Apr 3 TI - Myocardial Damage Detected by Late Gadolinium Enhancement Cardiac Magnetic Resonance Is Uncommon in Peripartum Cardiomyopathy. LID - 10.1161/JAHA.117.005472 [doi] LID - e005472 AB - BACKGROUND: In peripartum cardiomyopathy, the prevalence of focal myocardial damage detected by late gadolinium enhancement (LGE) cardiovascular magnetic resonance is important to elucidate mechanisms of myocardial injury and cardiac dysfunction. LGE equates irreversible myocardial injury, but LGE prevalence in peripartum cardiomyopathy is uncertain. METHODS AND RESULTS: Among 100 women enrolled within the Investigations of Pregnancy Associated Cardiomyopathy cohort, we recruited 40 women at 13 centers to undergo LGE cardiovascular magnetic resonance, enrolled within the first 13 weeks postpartum. Follow-up scans occurred at 6 months postpartum, and death/transplant rates at 12 months. Baseline characteristics did not differ significantly in the parent cohort according to cardiovascular magnetic resonance enrollment except for mechanical circulatory support. LGE was noted only in 2 women (5%) at baseline. While left ventricular dysfunction with enlargement was prevalent at baseline cardiovascular magnetic resonance scans (eg, ejection fraction 38% [Q1-Q3 31-50%], end diastolic volume index=108 mL/m(2) [Q1-Q3 83-134 mL/m(2)]), most women demonstrated significant improvements at 6 months, consistent with a low prevalence of LGE. LGE was not related to baseline clinical variables, ejection fraction, New York Heart Association heart failure class, or mortality. Neither of the 2 women who died exhibited LGE. LGE was inversely associated with persistent left ventricular ejection fraction at 6 months (P=0.006). CONCLUSIONS: Factors other than focal myocardial damage detectable by LGE explain the initial transient depressions in baseline left ventricular ejection fraction, yet focal myocardial damage may contribute to persistent myocardial dysfunction and hinder recovery in a small minority. Most women exhibit favorable changes in ventricular function over 6 months. CLINICAL TRIAL REGISTRATION: URL: http://www.clinicaltrials.gov. Unique identifier: NCT01085955. CI - (c) 2017 The Authors. Published on behalf of the American Heart Association, Inc., by Wiley Blackwell. FAU - Schelbert, Erik B AU - Schelbert EB AD - University of Pittsburgh Medical Center, Pittsburgh, PA schelberteb@upmc.edu. FAU - Elkayam, Uri AU - Elkayam U AD - University of Southern California, Los Angeles, CA. FAU - Cooper, Leslie T AU - Cooper LT AD - Mayo Clinic, Jacksonville, FL. FAU - Givertz, Michael M AU - Givertz MM AD - Brigham and Women's Hospital, Boston, MA. FAU - Alexis, Jeffrey D AU - Alexis JD AD - University of Rochester School of Medicine and Dentistry, Rochester, NY. FAU - Briller, Joan AU - Briller J AD - University of Illinois, Chicago, IL. FAU - Felker, G Michael AU - Felker GM AD - Duke University, Durham, NC. FAU - Chaparro, Sandra AU - Chaparro S AD - University of Miami, FL. FAU - Kealey, Angela AU - Kealey A AD - University of Calgary, Canada. FAU - Pisarcik, Jessica AU - Pisarcik J AD - University of Pittsburgh Medical Center, Pittsburgh, PA. FAU - Fett, James D AU - Fett JD AD - University of Pittsburgh Medical Center, Pittsburgh, PA. FAU - McNamara, Dennis M AU - McNamara DM AD - University of Pittsburgh Medical Center, Pittsburgh, PA. CN - Investigations of Pregnancy Associated Cardiomyopathy (IPAC) Investigators LA - eng SI - ClinicalTrials.gov/NCT01085955 PT - Journal Article PT - Multicenter Study DEP - 20170403 PL - England TA - J Am Heart Assoc JT - Journal of the American Heart Association JID - 101580524 RN - 0 (Contrast Media) RN - 0 (Heterocyclic Compounds) RN - 0 (Organometallic Compounds) RN - 0199MV609F (gadoteridol) RN - AU0V1LM3JT (Gadolinium) SB - IM MH - Canada MH - Cardiomyopathies/*diagnostic imaging/mortality/physiopathology/therapy MH - Contrast Media/*administration & dosage MH - Female MH - Fibrosis MH - Gadolinium/administration & dosage MH - Heart Transplantation MH - Heterocyclic Compounds/*administration & dosage MH - Humans MH - *Magnetic Resonance Imaging, Cine MH - Myocardium/*pathology MH - Organometallic Compounds/*administration & dosage MH - Peripartum Period MH - Predictive Value of Tests MH - Pregnancy MH - Pregnancy Complications, Cardiovascular/*diagnostic imaging/mortality/physiopathology/therapy MH - Prospective Studies MH - Recovery of Function MH - Stroke Volume MH - Time Factors MH - Treatment Outcome MH - United States MH - Ventricular Dysfunction, Left/*diagnostic imaging/mortality/physiopathology/therapy MH - *Ventricular Function, Left MH - Ventricular Function, Right MH - *Ventricular Remodeling PMC - PMC5533034 OTO - NOTNLM OT - cardiovascular magnetic resonance OT - heart failure OT - myocardial fibrosis OT - peripartum cardiomyopathy OT - pregnancy and postpartum EDAT- 2017/04/05 06:00 MHDA- 2017/10/24 06:00 PMCR- 2017/04/01 CRDT- 2017/04/05 06:00 PHST- 2017/04/05 06:00 [entrez] PHST- 2017/04/05 06:00 [pubmed] PHST- 2017/10/24 06:00 [medline] PHST- 2017/04/01 00:00 [pmc-release] AID - JAHA.117.005472 [pii] AID - JAH32075 [pii] AID - 10.1161/JAHA.117.005472 [doi] PST - epublish SO - J Am Heart Assoc. 2017 Apr 3;6(4):e005472. doi: 10.1161/JAHA.117.005472.