Is food tolerance after laparoscopic adjustable gastric banding (LAGB) associated with eating behaviour, dietary intake, weight loss and quality of life after surgery? — ASN Events
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Is food tolerance after laparoscopic adjustable gastric banding (LAGB) associated with eating behaviour, dietary intake, weight loss and quality of life after surgery? (#155)

Alison Fielding 1 , Surinder Baines 1 , Helen Warren-Forward 1
  1. School of Health Sciences, University of Newcastle, Callaghan, NSW, Australia

Aim: To examine the relationship between food tolerance and dietary intake, eating behaviour, weight loss and quality of life after LAGB. 

Methods: Data was collected as part of a cross-sectional survey mailed to individuals who had previously undergone LAGB in Newcastle, Australia. Food tolerance was assessed using the Food Tolerance Checklist, which provides an indication of overall food tolerance, satisfaction with eating ability, ability to eat certain foods and vomiting/regurgitation frequency. Other assessment items included the Three Factor Eating Questionnaire, Dietary Questionnaire for Epidemiological Studies, SF-36v2® and self-reported weight loss. Spearman correlations and multiple linear regression were used to examine the relationship between food tolerance and eating behaviour, dietary intake, reported percentage weight loss and quality of life after surgery.

 Results: Response rate for the survey was 20% (n=67; average time since surgery: 1.7±0.5 years; postoperative BMI: 34.5±5.4 kg/m2; average weight loss: 20.5± 9.2%). Median food tolerance score was 18 out of 27 (16-20). Approximately two thirds of respondents rated their eating ability as good or excellent (n=42), with ~20% of respondents rating their ability as poor or very poor. Overall food tolerance was not strongly related with any diet-related variable, weight loss or quality of life; however satisfaction with eating ability correlated significantly with several variables including: disinhibition (r=-0.425, P<0.001), hunger (r=-0.354, P=0.004) and sugar intake (r=-0.432, P=0.009). Satisfaction with eating ability in conjunction with BMI at time of surgery explained 32% of the variance in reported weight loss (P<0.001). Satisfaction with eating ability was also significantly associated with physical wellbeing in conjunction with rigid control (adjusted R2=0.19, P=0.001); and satisfaction with eating ability alone was significantly related to mental wellbeing (adjusted R2=0.16, P<0.001). 

Conclusion: Food tolerance after LAGB has the potential to impact on key outcomes of surgery. This warrants further comprehensive examination in larger prospective studies.