Response to: Letter to the Editor: Long-Term Results of Laparoscopic Sleeve Gastrectomy for Morbid Obesity: 5 to 8-Year Results
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In response to the letter to the Editor:
We greatly appreciate the interest and comments on our article regarding long-term outcome after sleeve gastrectomy .
In response to your first question concerning weight loss failure and weight regain percentages, we consulted our database. Weight loss failure versus weight regain was 4.8% versus 10.9% at 5 years, 8.4% versus 15.4% at 6 years, 7.7% versus 9.2% at 7 years, and 13.3% versus 16.7% at 8 years.
For your second question, we analyzed the data of our patients requiring revision to laparoscopic roux-and-Y gastric bypass for inadequate weight loss (n = 38). A total of 22 patients needed revision for weight loss failure versus 16 patients for weight regain. Successful revision, defined as achieving at least 50% excess weight loss from index weight, following revision to LRYGB was achieved in 7 patients (32%) in the weight loss failure group versus 11 patients (73%) in the weight regain group. This difference between both groups is a very interesting finding and should be investigated. This subdivision of failed sleeve gastrectomy in weight loss failure versus weight regain has not been described in literature to our knowledge.
The results of this study had no specific implications on our patient selection for either LSG or LRYGB. The same patient characteristics and patient preference are still used in our decision-making. One of the reasons that we still perform both procedures in roughly the same ratio is the randomized controlled “sleeve versus bypass trial” which is performed in our institution .
Compliance with Ethical Standards
Conflict of Interest
The authors declare that they have no conflict of interest.
This article does not contain any studies with human participants or animals performed by any of the authors.
Does not apply
- 2.Biter LU, Gadiot RP, Grotenhuis BA, et al. The Sleeve Bypass Trial: a multicentre randomized controlled trial comparing the long term outcome of laparoscopic sleeve gastrectomy and gastric bypass for morbid obesity in terms of excess BMI loss percentage and quality of life. BMC Obes. 2015;2:30.CrossRefPubMedPubMedCentralGoogle Scholar