Document Detail

A prospective observational study of 1000 vacuum assisted deliveries with the OmniCup device.
MedLine Citation:
PMID:  18644178     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To determine the maternal and perinatal outcomes associated with delivery by the rigid plastic OmniCup vacuum delivery device. METHODS: We conducted a prospective observational study of 1000 consecutive vacuum-assisted deliveries using the OmniCup vacuum device in singleton pregnancies. The relationship of the cup application to the flexion point was independently observed after delivery and related to the neonatal outcome, including scalp trauma. RESULTS: Of the 1000 women, 70% were nulliparous and 30% parous (> or = para 1). In 87.1% of the women, vacuum-assisted delivery was completed; spontaneous or forceps delivery occurred in 10.9%, and Caesarean section was performed in 2%. The vacuum was applied for < or = 10 minutes in 97.4% of deliveries, < or = 3 pulls were required in 95.6%, and < or = 25 lb traction force was required in 85.7% of cases. There was a statistically significant relationship between unfavourable cup applications (deflexing and paramedian) and scalp trauma in infants born to nulliparous women (P < 0.01). Four cases of neonatal intracranial hemorrhage (0.4%) were identified, and three of these infants were subsequently neurodevelopmentally normal. There was one subgaleal hemorrhage. CONCLUSIONS: There is a relationship between unfavourable cup application during vacuum assisted delivery and neonatal scalp trauma in infants born to nulliparous women.
Thomas F Baskett; Cora A Fanning; David C Young
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstétrique et gynécologie du Canada : JOGC     Volume:  30     ISSN:  1701-2163     ISO Abbreviation:  J Obstet Gynaecol Can     Publication Date:  2008 Jul 
Date Detail:
Created Date:  2008-07-22     Completed Date:  2008-10-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101126664     Medline TA:  J Obstet Gynaecol Can     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  573-80     Citation Subset:  IM    
Department of Obstetrics and Gynaecology, Dalhousie University, Halifax, NS, Canada.
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MeSH Terms
Cesarean Section / statistics & numerical data
Infant, Newborn
Prospective Studies
Vacuum Extraction, Obstetrical / adverse effects,  instrumentation*,  methods*

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