Loth, Katie A.

ABSTRACT: Background: When adolescents present with symptoms of unexplained weight loss, underweight, or poor appetite, eating disorders (EDs) are commonly on the list of differential diagnoses. However, the relationship of these symptoms to other psychiatric disorders is often less clear. Methods: Using the Rochester Epidemiology Project database, a retrospective cohort study of adolescents (13–18 years) with billing diagnoses of weight loss, underweight, or loss of appetite was conducted between January 2005 and December 2017. Patients who presented with conditions commonly associated with weight loss, underweight, or poor appetite (e.g., cancer) were excluded. This study sought to examine the proportion of patients who received ED and psychiatric diagnoses within 5 years of the index visit and patient characteristics associated with these diagnoses. Results: Of 884 patients diagnosed with symptoms of unexplained weight loss, underweight, or poor appetite, 662 patients (M age = 15.8; SD = 1.6; 66.0% female) met study criteria. Within 5 years of the index visit, the lifetime prevalence of all psychiatric disorders was 70% (n = 461) and of EDs was 21% (n = 141). For both psychiatric disorders and EDs, sex and race were significantly associated with receiving a diagnosis within 5 years. Decrease in body mass index (BMI) percentile was associated with receiving an ED diagnosis, whereas the highest historical BMI percentile was associated with receiving a psychiatric diagnosis. Conclusion: Patients presenting with symptoms of unexplained weight loss, underweight, or poor appetite are at risk not only for EDs but also for other psychiatric disorders that may require further assessment and follow-up.

Many health care providers struggle with if- and how-to discuss weight with their pediatric patients. This study used one-on-one interviews with primary care providers (n = 20) to better understand their: (1) perception of risks associated with talking about weight with pediatric patients, (2) commitment to adhering to best practices of pediatric weight management, and (3) approaches to mitigate perceived risks. Providers felt concerned that discussing weight with children during clinic visits may have unintended negative impacts. Despite perceived risks, providers continued regular BMI screening and weight-focused conversations, but took care with regard to language and approach with the goal of mitigating perceived risks. Findings suggest that pediatric primary care providers perceive that engaging in weight-related discussions with their patients has the potential to lead to negative, unintended consequences. Future research is needed to understand if weight-focused conversations should be avoided altogether or if there are approaches that can effectively mitigate risks.