Differences among clinical, analytical and psychological outcomes among patients with an eating disorder after bariatric surgery

Joana Nicolau; Luisa Ayala; Rosmeri Rivera; Aleksandra Speranskaya; Josefina Olivares; Apolonia Gil; Maria Puga; Regina Fortuny; Lluis Masmiquel

doi:10.1530/endoabs.32.P748

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Endocrine Abstracts (2013) 32 P748 | DOI: 10.1530/endoabs.32.P748

ECE2013 Poster Presentations Obesity (65 abstracts)

Differences among clinical, analytical and psychological outcomes among patients with an eating disorder after bariatric surgery

Joana Nicolau , Luisa Ayala , Rosmeri Rivera , Aleksandra Speranskaya , Josefina Olivares , Apolonia Gil , María Puga , Regina Fortuny & Lluís Masmiquel

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Hospital Son Llàtzer, Palma, Baleares, Spain.

Introduction: Information regarding eating disorders (ED) in postsurgical outcomes after bariatric surgery (BS) is scarce.

Objectives: To analyze the effect of BS on ED and to investigate if ED influence clinical, biochemical or psychological outcomes.

Methods: Sixty patients (78.3%♀, age 46.35±9.89, months since BS 46.28±28.1) who underwent BS, with a minimum follow up of 12 months, were evaluated cross-sectionally. Initial and current BMI, depressive symptoms, comorbidity, sociodemographic and biochemical parameters were recorded. For the screening of ED, QEWP-R was administered.

Results: Before BS, five subjects were diagnosed of ED, two binge eating disorders (BED), one bulimia nervosa (BN) and one eating disorder non otherwise specified (EDNOS). After BS, BED resolved in all patients, BN persisted and EDNOS progressed to BN. Furthermore, after BS, 13 new cases of BED (21.6%) and six cases of BN (10%) were detected. Time from surgery was higher among BED patients (61.62±23.47 vs 38.8±26.44 months; P=0.022); Furthermore, in these patients a greater proportion of calories obtained from alcohol intake (3.61±6 vs 0.65±1.74%; P=0.041), a more prevalent history of prebariatric psychiatric disorders (85 vs 51.2%; P=0.034) and a higher proportion of subjects who regained weight (61.5 vs 26.8%; P=0.024) was observed. BN subjects had greater depression scores (17±4 vs 8.1±5; p=0.04). Both entities had more episodes of vomiting (61.5 vs 29.3%; P=0.048 and 83.3 vs 61.5%; P=0.047). Subjects with ED had more difficulties in following visits after BS (19.5 vs 53.8%; P=0.028 and 19.5 vs 66.7%; P=0.01).

Conclusions: Development of ED is frequent after BS. Owing to its potential association with weight regain, systematic screening of ED after BS is warranted.