Key result
Loss to follow-up after gastric banding is linked to ~60% risk of inadequate weight loss.
Why the study?
Does loss to follow-up after laparoscopic adjustable gastric banding result in poorer weight loss compared to regular follow-up?
Cohort (n=495)
Does loss to follow-up after laparoscopic adjustable gastric banding result in poorer weight loss compared to regular follow-up?
p-value: p=<0.001
Patients lost to follow-up after laparoscopic adjustable gastric banding have significantly poorer weight loss outcomes, highlighting the critical importance of regular follow-up for overall success.
May warrant strategies to minimize loss to follow-up after gastric banding; leaves open whether enhanced protocols improve outcomes in prospective trials.
BACKGROUND: The aim of the study was to evaluate the results of laparoscopic adjustable gastric banding (LAGB) in patients lost to follow-up. METHODS: Patients lost to follow-up were identified from a consecutive cohort of 495 patients who underwent LAGB between November 1995 and September 2006. These patients were asked to return to follow-up and their actual weight was assessed. RESULTS: Of 93 patients lost to follow-up, 73 were motivated to reattend. Of these, 60 per cent (44 patients) had lost less than 25 per cent of excess weight, compared with 16.3 per cent (P < 0.001), 27.0 per cent (P < 0.001) and 42 per cent (P = 0.026) of patients after 2, 4 and 8 years of regular follow-up. CONCLUSION: Patients lost to follow-up are more likely to have poor weight loss, emphasizing the importance of follow-up after LAGB. Outcome after surgery for morbid obesity should include patients lost to follow-up as a measure of overall success.
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Riele et al. (2010) conducted a cohort in Morbid obesity (n=495). Loss to follow-up vs. Regular follow-up was evaluated on Loss of less than 25% of excess weight (p=<0.001). Patients lost to follow-up after gastric banding had a 60% rate of losing <25% of excess weight, compared to 16.3%, 27.0%, and 42% after 2, 4, and 8 years of regular follow-up (P=0.026 to <0.001).
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