Background: Achalasia is characterized by symptoms of esophageal obstruction, preventing food consumption. However, weight loss is observed only in a subset of patients, and data from literature is conflicting.
Aims: Our study aimed at evaluating predictors of weight loss in achalasia patients and at verifying the impact of treatment on nutritional status.
Methods: 123 achalasia patients, eligible for laparoscopic Heller myotomy, were studied. Demographic, clinical and nutritional data (calorie intake and macronutrient composition) were recorded at baseline and one-year post-treatment. Significant weight loss/gain was considered for variation of 10 % of body weight at baseline and post-treatment, respectively.
Results: 57.7 % of patients reported weight loss at presentation. These subjects had shorter disease duration, worse symptoms, lower BMI and consumed fewer calories than patients without weight loss. Post-treatment, we observed a considerable improvement in Eckardt score and BMI values. Almost 50 % of the population reported significant weight gain, particularly in individuals with weight loss at baseline. Caloric intake also rose significantly, positively affecting BMI categories.
Conclusion: We showed that achalasia-induced weight loss is associated with symptoms' severity and disease duration. Conversely, over 50 % of treated patients were in the overweight/obese category, highlighting the need for individualized nutritional interventions in achalasia patients.
Keywords: Body mass index; Caloric intake; Dysphagia and symptoms’ severity; Esophageal achalasia; Weight loss.
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