• E Ashikhmina, M K Farber, and K A Mizuguchi.
• Department of Anesthesia, Perioperative and Pain Medicine, Boston Children's Hospital, Boston, MA, USA. Electronic address: elena.ashikhmina@childrens.harvard.edu.
• Int J Obstet Anesth. 2015 Nov 1; 24 (4): 344-55.

BackgroundAdvances in understanding the pathogenesis, diagnosis and management of hypertrophic cardiomyopathy have resulted in increased longevity and a better quality of life of affected patients considering pregnancy. Several case series which focused predominantly on obstetric details have reported generally good outcomes. However, there remains a paucity of data on the specifics of obstetric anesthesia in women with hypertrophic cardiomyopathy.MethodsAfter Institutional Review Board approval, we reviewed antepartum transthoracic echocardiograms, cardiology, obstetric, anesthetic, and nursing labor records with a focus on anesthesia for labor and delivery and early postpartum complications in patients with hypertrophic cardiomyopathy who delivered between January 1993 and December 2013.ResultsThere were 23 completed pregnancies in 14 patients: 12 parturients (52%) delivered vaginally, of whom seven (30%) required assistance (forceps, vacuum), and 11 (48%) had a cesarean delivery. In 17 cases (74%) delivery was uneventful, but six patients (26%) had complications including congestive heart failure (n=3) and postpartum hemorrhage (n=3). All patients had neuraxial labor anesthesia/analgesia, and none received general anesthesia. No hemodynamic instability or fetal distress directly related to anesthesia was documented.ConclusionThe database search of approximately 160000 deliveries over 20 years revealed only a small number of hypertrophic cardiomyopathy patients with completed pregnancies. No maternal or neonatal deaths were documented. Overall morbidity rate was 26% with a 13% incidence of peripartum congestive heart failure. In patients with mild to moderate disease, neuraxial anesthesia was safe, effective and well tolerated with no hemodynamic instability related to administration of local anesthetics.Copyright © 2015 Elsevier Ltd. All rights reserved.

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