| Summary: | Background Maladaptive eating behavior after bariatric surgery is an im-portant cause of postoperative weight regain. However, the depth and reliability of its related research has been greatly hindered partially by non-unification of its concept and inappro-priate words used to explain the concept. Objective To clarify the concept of maladaptive eating behavior after bariatric surgery. Methods In May 2022, database of CNKI, WanFang Data, SinoMed, PubMed, Web of Science and CINAHL were systematically searched for studies in Chinese or English mainly about maladaptive eating behavior after bariatric surgery from inception to May 10, 2022, involving related concepts, definition attributes, antecedents and consequences. The contents of included literature were analyzed using the Rodgers' process of concept analysis, involving the evolution, attributes, antecedents, consequences, related concepts, typical case, assumptions and enlightenment for further development. Results Altogether, 36 studies were included, 33 of which in English, and the other three were in Chinese. The conceptual attributes of maladaptive eating behavior after bariatric surgery were composed of six aspects: uncontrolled eating, grazing, emotional eating, food craving, food addiction and compensatory behaviors. The antecedents include subjective factors (containing self-efficacy, dietary attitude, psychological status, work pressure and so on) , and objective factors (containing age, gender, education level, obesity history and others) . Eating disorders, mental illness, weight-loss outcome, nutritional status and quality of life compose the consequences. Conclusion The concept of maladaptive eating behavior after bariatric surgery is still non-unified. Its meanings in China should be discussed according to the national condition, and in-depth research on relevant theories, assessment tools, influencing factors and intervention should be conducted on this foundation, so as to maintain the effect of bariatric surgery and improve the quality of life in these patients.
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