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Obes Res. 2001 Nov;9(11):713-21.

Quality of life after lap-band placement: influence of time, weight loss, and comorbidities.

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Department of Surgery, Monash University, Alfred Hospital, Melbourne, Victoria, Australia.



To assess the quality of life (QOL) in severely obese subjects before and after Lap-Band gastric restrictive surgery and identify factors that may influence change.


All patients, over a 3-year period, attending for preoperative assessment (n = 459) or annual review after surgery (n = 641) have completed the Short Form-36 (SF-36) health survey. Eight domain and physical component summary (PCS) and mental component summary (MCS) scores were calculated. Scores were analyzed in groups based on time after surgery and compared with community normal (CN) values. Paired preoperative and 1-year scores (n = 218) data were used to find predictors of QOL change.


All preoperative mean scores (n = 459) were lower than CN values, with greater impairment in the PCS (36.8 +/- 9.5 vs. CN: 51.3 +/- 8.3, p < 0.001) than in the MCS (45.7 +/- 8.2 vs. CN: 48.8 +/- 9.5, p < 0.001) scores. After 1 year, scores were closer to CN scores (PCS: 52.4 +/- 8.2 and MCS: 48.4 +/- 7.7), and these remained closer for 4 years. Preoperative obesity comorbidity, especially physical disability, was the best predictor of poor preoperative SF-36 scores and of improvement in scores at 1 year. The percentage of excess weight loss at 1 year (46 +/- 16%) was of little predictive value of improved QOL.


Severely obese subjects have poor health-related QOL as measured by the SF-36 health survey. Lap-Band surgery for this group has provided a dramatic and sustained improvement in all measures of the SF-36. Improvement is greater in those with greater preoperative disability, and the extent of weight loss is not a good predictor of improved QOL.

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