Clinical application of high resolution manometry for examining esophageal function in neonates

LI Zheng-Hong; WANG Dan-Hua; DONG Mei; KE Mei-Yun; WANG Zhi-Feng

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Chinese Journal of Contemporary Pediatrics ›› 2012, Vol. 14 ›› Issue (08) : 607-611.

Clinical application of high resolution manometry for examining esophageal function in neonates

LI Zheng-Hong, WANG Dan-Hua, DONG Mei, KE Mei-Yun, WANG Zhi-Feng

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Abstract

OBJECTIVE: To examine the esophageal function of neonates by high resolution manometry (HRM), and to provide preliminary data for research on the esophageal function of neonates. METHODS: Esophageal HRM was performed on neonates using a solid-state pressure measurement system with 36 circumference sensors arranged at intervals of 0.75 cm, and ManoView software was used to analyze esophageal peristalsis pattern. RESULTS: Esophageal HRM was performed successfully in 11 neonates, and 126 occurrences of complete esophageal peristalsis were recorded. Complete esophageal peristalsis with pressure increase was recorded in some neonates but most neonates showed a different esophageal peristalsis pattern compared with adults. Some neonates had no relaxation of the upper esophageal sphincter (UES) when pharyngeal muscles contracted in swallowing, some neonates had multiple swallowing without esophageal peristalsis and some neonates had relatively low pressure of esophageal peristalsis. Full-term infants could have relatively low UES pressure and esophageal sphincter (LES) pressure but some preterm infants showed relatively high UES pressure and LES pressure. Longitudinal contraction of the whole esophagus and elevation of LES after swallowing were recorded in some neonates. CONCLUSIONS: Esophageal HRM is safe and tolerable for neonates. HRM shows that esophageal peristalsis after swallowing may not occur or may be incomplete in neonates. The esophageal function of neonates has not yet been developed completely, with large individual differences in esophageal peristalsis. Large sample data are needed for further analysis and research on the esophageal function of neonates.

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High resolution manometry / Esphogus / Neonate

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LI Zheng-Hong, WANG Dan-Hua, DONG Mei, KE Mei-Yun, WANG Zhi-Feng. Clinical application of high resolution manometry for examining esophageal function in neonates[J]. Chinese Journal of Contemporary Pediatrics. 2012, 14(08): 607-611

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