Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

A randomized trial of two vacuum extraction techniques

J A Bofill1, O A Rust, S J Schorr

  • 1Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, USA.

Obstetrics and Gynecology
|May 1, 1997
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

'Clinicians Engagement with Research: Motivating and Impeding Factors'.

Irish medical journal·2023
Same author

Cerclage for sonographic short cervix in singleton gestations without prior spontaneous preterm birth: systematic review and meta-analysis of randomized controlled trials using individual patient-level data.

Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2017
Same author

The role of fetal inflammatory response syndrome and fetal anemia in nonpreventable term neonatal encephalopathy.

Journal of perinatology : official journal of the California Perinatal Association·2016
Same author

Effectiveness of progestogens to improve perinatal outcome in twin pregnancies: an individual participant data meta-analysis.

BJOG : an international journal of obstetrics and gynaecology·2014
Same author

Cell wall synthesis during growth and maturation of Nitella internodal cells.

Planta·2013
Same author

Effectiveness of cerclage according to severity of cervical length shortening: a meta-analysis.

Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2010

Continuous versus intermittent vacuum extraction showed no significant differences in maternal or fetal outcomes. This study found similar efficacy and safety profiles for both vacuum delivery techniques using the M-cup.

Area of Science:

  • Obstetrics and Gynecology
  • Perinatal Medicine
  • Surgical Techniques

Background:

  • Vacuum-assisted delivery is a common obstetric procedure.
  • Different vacuum application techniques exist, but their comparative effects on maternal-fetal outcomes require clarification.

Purpose of the Study:

  • To compare the effects of continuous versus intermittent vacuum extraction on maternal and fetal outcomes.
  • To evaluate the efficacy and safety of two vacuum extraction techniques using the M-cup.

Main Methods:

  • Randomized trial involving 322 patients undergoing vacuum extraction with the M-cup.
  • Patients were assigned to either continuous vacuum (maintained at 600 mmHg) or intermittent vacuum (decreased to 100 mmHg between contractions).
  • Efforts to prevent fetal loss-of-station were made in the continuous group.

Related Experiment Videos

Main Results:

  • No significant difference in delivery duration between continuous and intermittent vacuum groups (167 +/- 175 vs. 167 +/- 150 seconds; P = .97).
  • Method failure rates were similar (12 vs. 9; P = .72).
  • No differences observed in neonatal outcomes like cephalhematoma (20 vs. 17; P = .686) or maternal complications.

Conclusions:

  • Decreasing vacuum pressure between contractions or actively preventing fetal loss-of-station did not yield different maternal or fetal outcomes.
  • The M-cup demonstrated clinical results comparable to the established Malmstrom cup.
  • Both continuous and intermittent vacuum techniques appear equally effective and safe for vacuum-assisted delivery.