• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer

SAGES

Reimagining surgical care for a healthier world

  • Home
    • COVID-19 Annoucements
    • Search
    • SAGES Home
    • SAGES Foundation Home
  • About
    • Who is SAGES?
    • SAGES Mission Statement
    • Strategic Plan, 2020-2023
    • Committees
      • Request to Join a SAGES Committee
      • SAGES Board of Governors
      • Officers and Representatives of the Society
      • Committee Chairs and Co-Chairs
      • Full Committee Rosters
      • SAGES Past Presidents
    • Donate to the SAGES Foundation
    • Awards
      • George Berci Award
      • Pioneer in Surgical Endoscopy
      • Excellence In Clinical Care
      • International Ambassador
      • IRCAD Visiting Fellowship
      • Social Justice and Health Equity
      • Excellence in Community Surgery
      • Distinguished Service
      • Early Career Researcher
      • Researcher in Training
      • Jeff Ponsky Master Educator
      • Excellence in Medical Leadership
      • Barbara Berci Memorial Award
      • Brandeis Scholarship
      • Advocacy Summit
      • RAFT Annual Meeting Abstract Contest and Awards
  • Meetings
    • 2022 NBT Innovation Weekend
    • SAGES Annual Meeting
      • 2023 Scientific Session Call For Abstracts
      • 2023 Emerging Technology Call For Abstracts
    • SAGES 2021 Annual Meeting
    • CME Claim Form
    • Industry
      • Advertising Opportunities
      • Exhibit Opportunities
      • Sponsorship Opportunities
    • Future Meetings
    • Past Meetings
      • SAGES 2021
      • SAGES 2020
      • SAGES 2019
      • SAGES 2018
    • Related Meetings Calendar
  • Join SAGES!
    • Membership Benefits
    • Membership Applications
      • Active Membership
      • Affiliate Membership
      • Associate Active Membership
      • Candidate Membership
      • International Membership
      • Medical Student Membership
    • Member News
      • Member Spotlight
      • Give the Gift of SAGES Membership
  • Patients
    • Healthy Sooner – Patient Information for Minimally Invasive Surgery
    • Patient Information Brochures
    • Choosing Wisely – An Initiative of the ABIM Foundation
    • All in the Recovery: Colorectal Cancer Alliance
    • Find a SAGES Member
  • Publications
    • SAGES Stories Podcast
    • SAGES Clinical / Practice / Training Guidelines, Statements, and Standards of Practice
    • Patient Information Brochures
    • TAVAC – Technology and Value Assessments
    • Surgical Endoscopy and Other Journal Information
    • SAGES Manuals
    • SCOPE – The SAGES Newsletter
    • COVID-19 Annoucements
    • Troubleshooting Guides
  • Education
    • OpiVoid.org
    • SAGES.TV Video Library
    • Safe Cholecystectomy Program
      • Safe Cholecystectomy Didactic Modules
    • Masters Program
      • SAGES Facebook Program Collaboratives
      • Acute Care Surgery
      • Bariatric
      • Biliary
      • Colorectal
      • Flexible Endoscopy (upper or lower)
      • Foregut
      • Hernia
      • Robotics
    • Educational Opportunities
    • HPB/Solid Organ Program
    • Courses for Residents
      • Advanced Courses
      • Basic Courses
    • Video Based Assessments (VBA)
    • Robotics Fellows Course
    • MIS Fellows Course
    • Facebook Livestreams
    • Free Webinars For Residents
    • SMART Enhanced Recovery Program
    • SAGES OR SAFETY Video
    • SAGES at Cine-Med
      • SAGES Top 21 MIS Procedures
      • SAGES Pearls
      • SAGES Flexible Endoscopy 101
      • SAGES Tips & Tricks of the Top 21
  • Opportunities
    • SAGES Fellowship Certification for Advanced GI MIS and Comprehensive Flexible Endoscopy
    • Foregut Fellowship Certification
    • SAGES Research Opportunities
    • Fundamentals of Laparoscopic Surgery
    • Fundamentals of Endoscopic Surgery
    • Fundamental Use of Surgical Energy
    • Job Board
    • SAGES Go Global: Global Affairs and Humanitarian Efforts
  • Search
    • Search All SAGES Content
    • Search SAGES Guidelines
    • Search the Video Library
    • Search the Image Library
    • Search the Abstracts Archive
  • Blog
    • COVID-19
    • Notes from the Battlefield
    • A (Positive) Way Forward
    • President Posts
    • All Blog Posts
  • Log In

Efficacy of Vitamin D Supplementation Following Roux-En-Y Bypass and Gastric Sleeve Surgeries

Carolyn E Moore, PhD, RD, Monica Flinn, RN, Vadim Sherman, MD, FACS, FRCS

The Methodist Hospital and Texas Woman’s University, Houston, Texas

INTRODUCTION – The study goal was to determine the effectiveness of daily supplementation with 2,000 International Units (IUs) of vitamin D3 for preventing and treating vitamin D deficiency following bariatric surgery. Although vitamin D deficiency is common with bariatric surgery, there are few prospective studies evaluating appropriate levels of vitamin D supplementation to base recommendations.

METHODS – A prospective study was conducted with19 women undergoing bariatric surgery (11 Roux-en-Y bypass and 8 gastric sleeve). Women were excluded with hypercalcimia, hypocalcemia, renal insufficiency, or a history of primary hyperparathyroidism. Height, weight, body mass index (BMI), serum 25(OH)D, and serum PTH concentrations were measured at baseline and 3 months. Participants consumed 2000 IU of vitamin D3 and 1500 mg calcium citrate each day as chewable tablets (Celebrate ®). Serum 25(OH)D concentrations were measured by chemiluminescent immunoassay, and PTH levels were determined using the ADVIA Centaur ® Immunoassay System. To promote adherence, participants recorded dietary supplement intake on log sheets. Statistical analyses were performed with SPSS (version 19; SPSS IBM). Paired sample t -tests were used to compare body weight, 25(OH)D and PTH concentrations at baseline and 3 months. Assumptions for parametric statistic were met and all differences were considered significant at P < 0.05. Vitamin D deficiency was defined as a serum 25(OH)D concentration less than 20 ng/mL (50 nmol/L) and secondary hyperparathyroidism as ≥ 70 ng/L.

RESULTS – At baseline the majority of the women were vitamin D deficient (66%) and many had elevated PTH levels (42%). Following 3 months of supplementation with 2000 IU of vitamin D3 and 1500 mg calcium, serum 25(OH)D concentrations significantly increased from 18.7 ± 9.7 to 28.0 ± 8.8 ng/mL (P = 0.001) and mean PTH decreased from 67.5 ± 22.8 to 57.9 ± 20.3 ng/L (P = 0.292). By the end of 3 months, body weight decreased from 280 ± 56 lbs. to 247 ± 48 lbs. (P = 0.000) and BMI decreased from 47.1 ± 8.5 to 41.5 ± 8.0.

CONCLUSIONS – Prior to surgery, a majority of the women were vitamin D deficient. Low serum 25(OH)D concentrations are common in obesity and a negative relationship with body fat may be related to sequestration of vitamin D in adipose tissue. Daily supplementation with 2,000 IU of vitamin D3 following surgery for 3 months significantly increased 25(OH)D concentrations, reducing the percent of women who were vitamin D deficient from 66% to 21%. Furthermore, serum 25(OH)D concentrations did not reach levels that were associated with detrimental health effects. Nevertheless, several women remained vitamin D deficient and more aggressive supplementation may be indicated. Factors that increased the risk of vitamin D deficiency following bariatric surgery included the signification reduction of food intake and malabsorption specifically associated with the Roux-en-Y surgery. In summary, our findings support daily supplementation with 2,000 IU of vitamin D3 and 1500 mg calcium as an effective intervention following gastric sleeve and Roux-en-Y procedures. Moreover, we strongly support monitoring serum 25(OH)D and PTH concentrations post-operatively for the long-term prevention of metabolic bone disease.


Session: Poster Presentation

Program Number: P428

508

Share this:

  • Twitter
  • Facebook
  • LinkedIn
  • Pinterest
  • WhatsApp
  • Reddit

Related

« Return to SAGES 2013 abstract archive

Our Mission

Innovate, educate and collaborate to improve patient care.

Recently, on SAGES…

Surgery is Safer with Vaccination 1

Addressing Religious Concerns About COVID-19 Vaccine

This may be a difficult subject matter for you and your patient to talk about.  Be assured, all major organized religious groups encourage and recommend the COVID-19 vaccine. Listed below are references and websites you can direct your patient towards to help them make an informed decision with regards to their religious concerns against the […]

SAGES Statement on AAPI Violence

The Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) stands in solidarity with the Asian American and Pacific Islander (AAPI) community. In the summer of 2020, SAGES released a statement condemning the violence, racism, and hatred toward the Black community in the wake of George Floyd and Breonna Taylor’s murders. It is with great sorrow […]

Free SAGES Webinar: Lessons from COVID on Living and Thriving as Surgeons

SAGES recognizes that the COVID-19 pandemic has had a big impact on surgical practice and in surgeon wellness. SAGES’ Reimagining the Practice of Surgery Taskforce will present “Finding the Opportunities: Lessons from COVID and How We Live and Thrive as Surgeons”  to look at ways in which innovative leadership at various levels may help transform […]

Contact SAGES

Society of American Gastrointestinal and Endoscopic Surgeons
11300 W. Olympic Blvd Suite 600
Los Angeles, CA 90064 USA
[email protected]
Tel: (310) 437-0544

Find Us Around the Web!

  • Facebook
  • Twitter
  • YouTube

Important Links

SAGES 2022 Meeting Information

Healthy Sooner: Patient Information

SAGES Guidelines, Statements, & Standards of Practice

SAGES Manuals

 

  • taTME Study Info
  • Foundation
  • SAGES.TV
  • MyCME
  • Educational Activities

Copyright © 2022 Society of American Gastrointestinal and Endoscopic Surgeons