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

Long- or short-limb gastric bypass?

L D MacLean1, B M Rhode, C W Nohr

  • 1Department of Surgery, Royal Victoria Hospital and McGill University, 1402 80 Berlioz, Montreal, Quebec H3E 1N9, Canada. lloydm@citenet.net

Journal of Gastrointestinal Surgery : Official Journal of the Society for Surgery of the Alimentary Tract
|May 3, 2002
PubMed
Summary

Longer Roux-en-Y gastric bypass limbs improved weight loss for superobese patients, but not morbidly obese individuals. This study evaluated limb length impact on gastric bypass outcomes in bariatric surgery patients.

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

The Diagnosis and Treatment of Arterial Injuries.

Canadian Medical Association journal·2010
Same author

Norman Bethune and Edward Archibald: sung and unsung heroes.

The Annals of thoracic surgery·2000
Same author

Late outcome of isolated gastric bypass.

Annals of surgery·2000
Same author

Plasma acylation stimulating protein, adipsin and lipids in non-obese and obese populations.

European journal of clinical investigation·1999
Same author

Iron absorption and therapy after gastric bypass.

Obesity surgery·1999
Same author

Exercise capacity and energy expenditure of morbidly obese and previously obese subjects.

Clinical and investigative medicine. Medecine clinique et experimentale·1998

Area of Science:

  • Bariatric Surgery
  • Gastroenterology
  • Obesity Medicine

Background:

  • Obesity is a significant health concern requiring effective bariatric surgery interventions.
  • Roux-en-Y gastric bypass is a common bariatric procedure.
  • Limb length in gastric bypass may influence patient outcomes.

Purpose of the Study:

  • To investigate if longer Roux and afferent limbs in Roux-en-Y gastric bypass improve results.
  • To compare outcomes between standard and long-limb gastric bypass in morbidly obese and superobese patients.

Main Methods:

  • A comparative study of 242 patients undergoing Roux-en-Y gastric bypass.
  • Patients were divided into standard (40cm Roux, 10cm afferent) and long-limb (100cm Roux, 100cm afferent) groups.
  • Mean follow-up was 5.5 years, with final Body Mass Index (BMI) as the primary outcome.

Related Experiment Videos

Main Results:

  • Morbidly obese patients (BMI <50 kg/m²) showed no significant BMI difference between short-limb and long-limb bypass.
  • Superobese patients (BMI >50 kg/m²) demonstrated a significant benefit from long-limb bypass (P=0.049).
  • Patients with BMI >60 kg/m² experienced the greatest benefit from the long-limb procedure, with no unique macronutritional side effects.

Conclusions:

  • Longer limb length in Roux-en-Y gastric bypass benefits superobese patients, particularly those with extreme obesity (BMI >60 kg/m²).
  • Standard limb length is sufficient for morbidly obese patients.
  • Long-limb gastric bypass is a safe modification without increased macronutritional risks.