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Arad et al., Neonatal jaundice 273, J. Perinat. Med. 10 (1982)273 Vacuum extraction and neonatal jaundice I. Arad, P. Fainmesser, A. Birkenfeld, B. Gülaiev, E. Sadovsky Departments of Pediatrics, Obstetrics and Gynecology, Hadassah University Hospital, Ein Karem Jerusalem, Israel l Introduction Since the introduction of the modern vacuum extractor by M ALM STRÖM in 1954 [15], the procedure of vacuum extraction has gained increasing popularity [2, 16, 17, 19, 20]. During the extraction forces of negative outward suction and downward traction are always applied to the fetal scalp whereas shearing and circular forces are only occasionally exerted [13, 18]. These forces invariably result in the formation of an edematous, occasionally ecchymotic, area called chignon directly beneath the vacuum cap. The incidence of other lesions such äs cephalhematomata, abrasions and lacerations and subcutaneous ecchymoses varied in different reports [18], however significant lesions of the fetal scalp may mount to about 20% of vacuum extraction deliveries [l, 17]. More serious complications äs subgaleal bleeding and intracranial hemorrhage rarely pccur [18], It is conceivable, therefore, that blood sequestered in these lesions could result in an increased bilirubin load on the functionally limited neonatal liver leading to the development of hyperbilirubinemia. The
Journal of Perinatal Medicine – de Gruyter
Published: Jan 1, 1982
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