Effects of Smoking Exposure in Infants on Gastroesophageal Reflux as a Function of the Sleep-Wakefulness State - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue The Journal of Pediatrics Année : 2018

Effects of Smoking Exposure in Infants on Gastroesophageal Reflux as a Function of the Sleep-Wakefulness State

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Résumé

Objective To determine whether perinatal smoking exposure is associated with gastroesophageal reflux (GER)-related changes in sleep-wakefulness states in neonates. Study design Thirty-one neonates. referred for the investigation of suspected GER, were recruited and underwent multichannel impedance-pH monitoring and synchronized 8- to 12-hour polysomnography. The infants' exposure to tobacco smoke was estimated by means of a urine cotinine assay. The total number. frequency (h(-1)), and mean duration (minutes) of GER-pH (reflux events detected by the pH electrode only) and GER-imp (reflux events with bolus movement detected by impedance) events were determined. Intergroup differences (smokingexposed group vs nonexposed group) were probed with nonparametric. unpaired Mann-Whitney U tests. A chi(2) test was used to assess a possible intergroup difference in bolus retrograde migration during GER-imp events. Results According to the urine cotinine assay, 21 of the 31 neonates had been exposed to cigarette smoke during the perinatal period. The number (and frequency) of GER-imp was significantly greater (P= .016) in the exposed group (29 [0-90]) than in the nonexposed group (12 [2-35]). Migration of the esophageal bolus from the distal segment to the most proximal segment was significantly more frequent (P= .016) in the exposed group (83% of GER) than in the nonexposed group (41%). The GER pattern associated with smoking exposure was particularly obvious during Rapid eye movement sleep. Conclusions The more frequent occurrence and greater proximal migration of GER-imp in the smoking-exposed group (especially during rapid eye movement sleep) may have clinical relevance. Smoking exposure is a preventable risk factor for limiting the occurrence of GER in neonates.
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Dates et versions

hal-03544614 , version 1 (26-01-2022)

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Djamal Djeddi, Erwan Stephan, Andre Leke, Mohamed Ammari, Stéphane Delanaud, et al.. Effects of Smoking Exposure in Infants on Gastroesophageal Reflux as a Function of the Sleep-Wakefulness State. The Journal of Pediatrics, 2018, 201, pp.147-153. ⟨10.1016/j.jpeds.2018.05.057⟩. ⟨hal-03544614⟩
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