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Does the RYGB common limb length influence hypertension remission and cardiometabolic risk factors? Data from the

Carlos Aurelio Schiavon1, Renato Nakagawa Santos1, Eliana Vieira Santucci1

  • 1Research Institute, Heart Hospital, Sao Paulo, Brazil.

Surgery for Obesity and Related Diseases : Official Journal of the American Society for Bariatric Surgery
|January 26, 2019
PubMed

Insights

Common limb length (CLL) in Roux-en-Y gastric bypass (RYGB) surgery does not impact hypertension remission or cardiometabolic health. This study found no significant correlation between varying CLL and patient outcomes after RYGB.

Area of Science:

  • Bariatric Surgery
  • Metabolic Surgery
  • Gastroenterology

Background:

  • Roux-en-Y gastric bypass (RYGB) is effective for weight loss and improving cardiometabolic risk factors.
  • However, the influence of common limb length (CLL) on these outcomes remains unclear.

Purpose of the Study:

  • To investigate the relationship between common limb length (CLL) and hypertension remission rates.
  • To assess correlations between CLL and cardiometabolic risk factors and nutritional parameters post-RYGB.

Main Methods:

  • A randomized trial (GATEWAY) compared RYGB to medical therapy over 1 year.
  • Patients had Roux-en-Y gastric bypass with a 150-cm alimentary limb and 100-cm biliopancreatic limb.
  • Statistical analyses included logistic regression and correlation tests to evaluate CLL's impact.

Main Results:

  • Of 45 RYGB patients completing follow-up, 55.6% achieved hypertension remission.
  • Common limb length (CLL) was not significantly associated with hypertension remission (OR: 0.97; P=0.88).
  • No significant correlations were found between CLL and changes in cardiometabolic risk factors or nutritional parameters.

Conclusions:

  • In proximal RYGB, common limb length (CLL) does not appear to influence hypertension remission.
  • CLL does not significantly affect cardiometabolic risk factors or nutritional parameters following RYGB.
Abstract

Keywords:
Cardiometabolic risk factorsGastric bypassHypertensionLimb lengths

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