Clinical Evaluation of a “Hand Pump” Vacuum Delivery Device

Hayman, Richard; Gilby, Jeanette; Arulkumaran, Sabaratnam

doi:10.1097/00006250-200212000-00008

Cited by 12 publications

(18 citation statements)

References 5 publications

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“…Our success rate with the Re‐Usable OmniCup compares very favourably with the recent randomised and non‐randomised studies that have involved the use of the Kiwi OmniCup 7–10,18,19 …”

Section: Discussionsupporting

confidence: 77%

A randomised controlled trial of two instruments for vacuum‐assisted delivery (Vacca Re‐Usable OmniCup and the Bird anterior and posterior cups) to compare failure rates, safety and use effectiveness

Mola

Kuk

2010

Aust NZ J Obst Gynaeco

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“…Our success rate with the Re‐Usable OmniCup compares very favourably with the recent randomised and non‐randomised studies that have involved the use of the Kiwi OmniCup 7–10,18,19 …”

Section: Discussionsupporting

confidence: 77%

A randomised controlled trial of two instruments for vacuum‐assisted delivery (Vacca Re‐Usable OmniCup and the Bird anterior and posterior cups) to compare failure rates, safety and use effectiveness

Mola

Kuk

2010

Aust NZ J Obst Gynaeco

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“…This is a novel determinant of SGH formation as a result of attempted VAD, and is not well studied. Some authors have regarded VAD in which significant caput succedaneum is present as more complicated than others, and recommended the use of rigid cap devices . Nevertheless, in our study, the type of vacuum cap was not found to be associated with the formation of SGH.…”

Section: Discussioncontrasting

confidence: 73%

Risk factors associated with subgaleal hemorrhage in neonates exposed to vacuum extraction

Levin

Elchalal

Yagel

et al. 2019

Acta Obstet Gynecol Scand

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Introduction Subgaleal hemorrhage (SGH) is a life‐threatening neonatal condition that is strongly associated with vacuum assisted delivery (VAD). The factors associated with the development of SGH following VAD are not well‐established. We aimed to evaluate the factors associated with the development of SGH following attempted VAD. Material and methods A retrospective case‐control study of women who delivered at a tertiary university‐affiliated medical center in Jerusalem, Israel, during 2009‐2018. Cases comprised all parturients with singleton pregnancies for whom attempted VAD resulted in neonatal SGH. A control group of VAD attempts was established by matching one‐to‐one according to gestational age at delivery, parity and year of delivery. Fetal, intrapartum and vacuum procedure characteristics were compared between the groups. Results In all, 313 (89.5%) of the 350 attempted VAD were nulliparous. Baseline maternal and fetal characteristics were similar between the groups except for higher neonatal birthweight in the SGH group. In multivariate logistic regression analysis, only six independent risk factors were significantly associated with the development of SGH: second‐stage duration (for each 30‐minute increase, adjusted odds ratio [OR] 1.13; 95% confidence intervals [CI] 1.04‐1.25; P = .006), presence of meconium‐stained amniotic fluid (adjusted OR 2.61; 95% CI 1.52‐4.48; P = .001), presence of caput succedaneum (adjusted OR 1.79; 95% CI 1.11‐2.88; P = .01), duration of VAD (for each 3‐minute increase, adjusted OR 2.04; 95% CI 1.72, 2.38; P < .001), number of dislodgments (adjusted OR 2.38; 95% CI 1.66‐3.44; P < .001), and fetal head station (adjusted OR 3.57; 95% CI 1.42‐8.33; P = .006). Receiver operating characteristic curves showed that VAD duration of ≥15 minutes had a 96.7% sensitivity and 75.0% specificity in predicting SGH formation, with an area under the curve equal to .849. Conclusions Vacuum duration, the number of dislodgments, the duration of second stage of delivery, fetal head station, the presence of caput succedaneum and the presence of meconium were found to be independently associated with SGH formation.

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“…It is also a disposable unit which ensures sterility and avoids loss of function as a result of repeated use. Previous studies 7–9 conducted using the Kiwi Omnicup vacuum device reported different results on the efficacy and safety of its use. The present study was conducted to compare the clinical outcomes between the Kiwi Omnicup and the Malmstrom metal cup in our unit.…”

Section: Introductionmentioning

confidence: 99%

Kiwi Omnicup versus Malmstrom metal cup in vacuum assisted delivery: A randomized comparative trial

Ismail¹,

Saharan²,

Mahdy³

et al. 2008

J of Obstet and Gynaecol

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Clinical Evaluation of a “Hand Pump” Vacuum Delivery Device

Cited by 12 publications

References 5 publications

A randomised controlled trial of two instruments for vacuum‐assisted delivery (Vacca Re‐Usable OmniCup and the Bird anterior and posterior cups) to compare failure rates, safety and use effectiveness

A randomised controlled trial of two instruments for vacuum‐assisted delivery (Vacca Re‐Usable OmniCup and the Bird anterior and posterior cups) to compare failure rates, safety and use effectiveness

Risk factors associated with subgaleal hemorrhage in neonates exposed to vacuum extraction

Kiwi Omnicup versus Malmstrom metal cup in vacuum assisted delivery: A randomized comparative trial

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