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Obesity Surgery

, Volume 21, Issue 4, pp 457–464 | Cite as

Cardiorespiratory Fitness and Health-Related Quality of Life in Bariatric Surgery Patients

  • Ronette L. KolotkinEmail author
  • Michael J. LaMonte
  • Sheldon Litwin
  • Ross D. Crosby
  • Richard E. Gress
  • Frank G. Yanowitz
  • Steven C. Hunt
  • Ted D. Adams
Clinical Research

Abstract

Health-related quality of life (HRQOL) is impaired in severely obese individuals presenting for bariatric surgery. Little is known about the relationship between cardiorespiratory fitness (CRF) and HRQOL in these individuals. We hypothesized that better HRQOL would be reported by those with higher CRF. In 326 gastric bypass patients (mean BMI = 46.5 ± 7.0; mean age = 40.9 ± 10.1; 83.4% female), pre-surgical CRF was quantified as duration (minutes) of a submaximal treadmill test to 80% of age-predicted maximal heart rate (MHR). Patients completed both a general measure of HRQOL [the Medical Outcome Short Form 36 (SF-36)] and a weight-specific measure of HRQOL [Impact of Weight on Quality of Life—Lite]. Mean HRQOL scores were examined, controlling for age, gender, and BMI. Mean treadmill duration was 9.9 ± 3.1 min, and percent age-predicted MHR was 81.2 ± 3.0%. Higher cardiorespiratory fitness tended to be associated with better physical and weight-specific HRQOL. Adjustment for differences in gender, age, and BMI attenuated the significance of associations between fitness and physical measures from the SF-36, whereas adjustment eliminated significance of associations between fitness and weight-specific HRQOL in most cases. Results suggest that CRF confers some HRQOL benefits in severely obese adults, though these benefits may largely be explained by differences in age, gender, and BMI.

Keywords

Cardiorespiratory fitness Health-related quality of life IWQOL-Lite SF-36 Gastric bypass surgery Treadmill test 

Notes

Acknowledgments

This research was supported by grants from the NIH/NIDDK (DK-55006) and the National Center for Research Resources (MO1-RR00064).

Disclosures

Dr. Kolotkin received consulting fees from University of Utah for her participation in this NIH-funded study. She also receives royalties from Duke University for the use of the IWQOL-Lite.

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Copyright information

© Springer Science + Business Media, LLC 2010

Authors and Affiliations

  • Ronette L. Kolotkin
    • 1
    • 2
    Email author
  • Michael J. LaMonte
    • 3
  • Sheldon Litwin
    • 4
  • Ross D. Crosby
    • 5
    • 6
  • Richard E. Gress
    • 4
  • Frank G. Yanowitz
    • 7
  • Steven C. Hunt
    • 4
  • Ted D. Adams
    • 4
    • 7
  1. 1.Obesity and Quality of Life ConsultingDurhamUSA
  2. 2.Department of Community and Family MedicineDuke University Medical CenterDurhamUSA
  3. 3.Department of Social and Preventive MedicineState University of New York at BuffaloBuffaloUSA
  4. 4.Cardiovascular Genetics Division, Department of Internal MedicineUniversity of UtahSalt Lake CityUSA
  5. 5.Neuropsychiatric Research InstituteFargoUSA
  6. 6.University of North Dakota School of Medicine and Health SciencesFargoUSA
  7. 7.The Health and Fitness Institute, LDS HospitalIntermountain HealthcareSalt Lake CityUSA

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