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Vagal bradycardia at term

Published in Acta pædiatrica. 2009, vol. 98, no. 5, p. 901-903
Abstract We discuss the case of a newborn boy presenting well into term with severe bradycardic events and sinus pauses up to 5.4 sec. Sinus bradycardia below 80 bpm and sinus pauses or asystole of more than 2 sec are considered pathologic at term. After exclusion of specific causes, the diagnosis of vagal hyper-reflectivity (VHR) was retained, a state caused by unbalance between sympathetic and parasympathetic activity, the latter overriding the former. It is thought to be a functional and transitional anomaly of the sympathetic and vagal tone during the first months of life and may lead to prolonged monitoring and delayed hospital discharge. This form of rare bradycardia can be treated with atropine and allowed in our case immediate resolution of events and safe discharge from hospital. CONCLUSION: When VHR is diagnosed, atropine is the treatment permitting resolution of symptomatic episodes of bradycardia and early and safe discharge from hospital.
Keywords Atropine/therapeutic useBradycardia/drug therapy/*etiologyHumansInfant, NewbornInfant, PrematureInfant, Premature, Diseases/drug therapy/*etiologyMaleParasympatholytics/therapeutic use
PMID: 19183117
Full text
Research groups L'hypertension pulmonaire (pédiatrie) (228)
Réanimation néonatale en salle d'accouchement (696)
(ISO format)
DELCO, Cristina Maria, BEGHETTI, Maurice, PFISTER, Riccardo. Vagal bradycardia at term. In: Acta pædiatrica, 2009, vol. 98, n° 5, p. 901-903. doi: 10.1111/j.1651-2227.2008.01204.x https://archive-ouverte.unige.ch/unige:19769

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Deposited on : 2012-04-23

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