Effect of maternal voice on sleep quality in children following cardiac surgery: protocol for a randomized controlled trial.

Authors

Songsong Shi, Xinhong Wang, Renzhen Wang, Fengxia Du, Hao Wang, Youjia Yu, Biyu Shen

Published in

Frontiers in medicine. Volume 13. Pages 1760057. Epub Apr 07, 2026.

Abstract

Children with congenital heart disease (CHD) frequently experience postoperative sleep disturbances, which can adversely affect recovery and overall postoperative outcomes. Maternal voice has been suggested as a soothing auditory stimulus with the potential to improve sleep quality in children. This study aims to evaluate the effect of auditory intervention centered on the maternal voice on sleep quality in children undergoing cardiac surgery.
This prospective, randomized controlled trial will enroll 132 children with CHD undergoing open-heart surgery. Participants will be randomly assigned to either the control group or the maternal voice-based intervention group. The primary outcome is the overall sleep efficiency across the night of surgery, postoperative Day 1, and postoperative Day 2. Secondary outcomes include additional sleep parameters, pain scores, sedation scores, delirium scores, B-type natriuretic peptide (BNP) levels, cardiac troponin I (cTnI) levels, dosages of dexmedetomidine and sufentanil, cardiac intensive care unit (CICU) length of stay, total hospital length of stay, and parental satisfaction.
This trial aims to provide high-quality evidence on maternal voice to improve postoperative sleep quality in children with CHD.
Chinese Clinical Trial Registry (https://www.chictr.org.cn) ChiCTR2500111004.

PMID:
42023101
Bibliographic data and abstract were imported from PubMed on 17 Sep 2026.

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