ESPE Abstracts (2015) 84 P-2-367


Residual Excess Weight Difference Between BMI 35–40 and Over 40 After Laparoscopic Sleeve Gastrectomy in Severely Obese Adolescents: Midterm Outcomes

Jeannette Linaresa,b, Rodrigo Villagranb, Michael Gallardoa, Isabela Garcíaa, Sofia Arayaa,b, Carlos Floresb, Mario Cariagab, Paulina Fuentesa,b & Marisol Yañezb


aUniversity of Antofagasta, Antofagasta, Chile; bClinica Antofagasta, Antofagasta, Chile

Background: Severe obesity among adolescents is increasing worldwide. Bariatric surgery is a controversial subject in this group of age, surgical timing is even more controversial. Patterns of surgical weight loss could be different between patients with greater excess weight, perhaps with less promising results.

Objective and hypotheses: To compare anthropometric outcomes among adolescents with BMI 35–40 and over 40, underwent laparoscopic sleeve gastrectomy (LSG).

Method: Descriptive, non-randomized, retrospective study, adolescent patients (15–19 years) with BMI >35 kg/mt2, and comorbidities with 1 year of multidisciplinary medical treatment and failure in weight loss, underwent LSG between September 2009 and September 2014.

Results: 59 patients, 37 females (63%), mean age 17.3 years±1.4 (15–19), mean weight 111.4 kg±20.6 (80.7–185), mean BMI 40±4.4 (35–54), and residual BMI 15±4.4 (9.9–29). Group BMI 35–40: 36 subjects, 23 females (64%), mean age 17.4±1.4 (15–19), mean weight 103.6 kg±12.7 (80.7–124.6), mean BMI 37.3±1.4 (35–39.7), and residual BMI 12.3±1.4 (9.9–14.8). Follow-up 6, 12, and 24 months: residual BMI of 2.09; 0.13; and 3.07 respectively. Group BMI >40: 23 subjects, 14 females (60%), mean age 17±1.3 (15–19), mean weight 123.7 kg±24.7 (92–185), mean BMI 44.3±3.9 (40–54), and residual BMI 19.3±3.9 (15.1–19). Follow-up 6, 12, and 24 months: residual BMI of 9.35; 3.9; and 7.4 respectively. The differences between the groups are statistically significant: 6 months P=0.012, 12 months P=0.0053, and 24 months P<0.001.

Conclusion: Residual excess weight in the group with BMI >40 is significantly higher than the group with lower BMI, which keeps their comorbidities. This makes us reconsider the timing of the surgical indication. However, it is imperative to continue to follow these patients to agree on the controversy of this intervention in this age group.

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