Maternal use of cyclobenzaprine (Flexeril) may induce ductal closure and persistent pulmonary hypertension in neonates

Alvaro Moreira, Clay Barbin, Hugo Martinez, Ashraf Aly, Rafael Fonseca

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A full-term male infant presented shortly after birth with respiratory distress. An echocardiogram done within the first hour of life showed an elevated pulmonary artery pressure, an associated right ventricular hypertrophy without a patent ductus arteriosus. The patient was treated for persistent pulmonary hypertension with favorable response. Maternal history was unremarkable except for chronic low back pain treated with cyclobenzaprine (Flexeril®). A proposed mechanism for cyclobenzaprine includes inhibition of norepinephrine and serotonin reuptake, factors known to inhibit prostaglandin and nitric oxide. These two factors are the leading causes of in-utero ductal closure. This report is the first to indicate that cyclobenzaprine use during late pregnancy should be considered a potential cause of early ductal closure.

Original languageEnglish (US)
Pages (from-to)1177-1179
Number of pages3
JournalJournal of Maternal-Fetal and Neonatal Medicine
Volume27
Issue number11
DOIs
StatePublished - 2014

Fingerprint

Pulmonary Hypertension
Mothers
Newborn Infant
Right Ventricular Hypertrophy
Patent Ductus Arteriosus
Low Back Pain
Pulmonary Artery
Prostaglandins
Serotonin
Norepinephrine
Nitric Oxide
Parturition
Pressure
Pregnancy
cyclobenzaprine

Keywords

  • Cyclobenzaprine
  • Ductus arteriosus
  • Neonate
  • Persistent pulmonary hypertension

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Obstetrics and Gynecology

Cite this

Maternal use of cyclobenzaprine (Flexeril) may induce ductal closure and persistent pulmonary hypertension in neonates. / Moreira, Alvaro; Barbin, Clay; Martinez, Hugo; Aly, Ashraf; Fonseca, Rafael.

In: Journal of Maternal-Fetal and Neonatal Medicine, Vol. 27, No. 11, 2014, p. 1177-1179.

Research output: Contribution to journalArticle

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