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The Pattern of Adjustments after Laparoscopic Adjustable Gastric Band
Richard S Flint1,2, Grant Coulter3, Ross Roberts3
1Academic Department of Surgery, Faculty of Medicine and Health Sciences, University of Otago Christchurch, Christchurch, New Zealand. richard.flint@otago.ac.nz.
Obesity Surgery
|April 3, 2015
Summary
Laparoscopic adjustable gastric band (LAGB) requires months of adjustments for successful weight loss. Many patients need ongoing adjustments beyond one year, with overfills being common.
Area of Science:
- Bariatric surgery
- Obesity management
- Surgical innovation
Background:
- Laparoscopic adjustable gastric band (LAGB) effectiveness relies on staged adjustments post-surgery.
- Understanding the typical adjustment patterns is crucial for optimizing patient outcomes.
Purpose of the Study:
- To characterize the pattern and frequency of LAGB adjustments needed after surgery.
- To analyze the relationship between adjustments, weight loss, and complications.
Main Methods:
- A non-randomized observational study of 125 consecutive LAGB patients.
- Data collected prospectively on band adjustments, weight loss (%EBWL), and complications.
- Analysis of 746 band adjustments over a two-year period.
Main Results:
- Mean %EBWL was 41.4% at 2 years, with an average of 7.1 adjustments per patient.
- 39% of patients required adjustments beyond one year; initial weight loss occurred before the first adjustment.
- Overfills were frequent (24 patients with multiple), leading to urgent deflations in 63 patients.
Conclusions:
- LAGB necessitates significant, prolonged postoperative patient commitment for successful weight management.
- Frequent overfilling suggests a misconception that band tightening accelerates weight loss.
- Gastric prolapse occurred in two patients; other complications were minimal within the first two years.

