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Gastric bypass: a family affair—41 families in which multiple members underwent bariatric surgery

Authors
Journal
Surgery for Obesity and Related Diseases
1550-7289
Publisher
Elsevier
Publication Date
Volume
7
Issue
5
Identifiers
DOI: 10.1016/j.soard.2011.04.230
Keywords
  • Gastric Bypass
  • Family
  • Morbid Obesity

Abstract

Abstract Background The effects of multiple family members undergoing Roux-en- Y gastric bypass (RYGB) are unknown. The objective of our study was to evaluate RYGB in multiple-patient families compared with case-matched controls. Methods A total of 91 RYGB patients (family group) from 41 families with ≥2 bariatric surgeries were compared with 91 other RYGB patients (controls), case-matched by gender, age (±5 yr), and body mass index (±5 kg/m 2). Results Of the 91 patients in the family group, 16 (18%) were men and 75 (82%) were women. The family groups included siblings (n = 20), father/adult offspring (n = 2), mother/adult offspring (n = 17), aunt or uncle/niece or nephew (n = 7), spouses (n = 12), cousins (n = 2), grandmother/granddaughter (n = 1), and in-laws (n = 3). Six families had 3 RYGB patients, and one family had 5. Incisional hernia occurred in 17% of the family group and 24% of the control group. The office follow-up duration was 6 months for 89% and 83% and 1 year for 83.5% and 58% of the family and control groups, respectively ( P < .01). The percentage of excess weight lost (%EWL) was 58% ± 18% and 49% ± 15% at 6 months and 76% ± 18% and 62% ± 19% at 1 year in the family and control groups, respectively ( P < .001). The %EWL was >80% in 45% of the family group versus in 19% of the controls ( P < .01). The body mass index at 1 year was 31 ± 7 kg/m 2 in the family group and 35 ± 8 kg/m 2 in the controls ( P < .05). Among the family group siblings, the 1-year %EWL was 81% ± 18% versus 60% ± 17% in the matched control patients ( P < .0001). Conclusion The post-RYGB weight loss and follow-up were increased among the family patients versus the case-matched control patients. The %EWL was greatest among the family siblings. The results linked family ties and follow-up compliance with the %EWL.

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