Obes Surg. 2006 Feb Revision of failed lap band to gastric bypass. van Wageningen B et al, The most common bariatric surgical operation in Europe, lapband, has a high incidence of long-term complications and insufficient weight loss. We investigated 47 revisions to gastric bypass (GBP). The GBP, mean operating time was 3 hr and hospital stay was 7 days. Complications occurred in 17%. CONCLUSION: Conversion of LapBand to GBP is needed to treat complications of LapBand.