Background Variations have been proposed in order to improve
weight loss and decrease complication profiles in Roux-en-Y
gastric bypass (RYGB) patients We previously reported a preliminary
result of pericardial patch ring RYGB We aim to report
a detailed result of banded RYGB by comparing these patients
to non-banded RYGB patients with larger case number and
longer follow-up.
Material and Methods A retrospective chart review was performed
in 543 banded RYGB and 607 non-banded RYGB patients
who underwent laparoscopic RYGB between January
2009 and December 2014.
Results Thirty-day readmission rate was 3.1% (n = 16) in the
banded group and 3.8% (n = 23) in the non-banded group.
Thirty-day reoperation rate was 1.5% (n = 8) in the banded
group and 1.6% (n = 10) in the non-banded group. Two mortalities
occurred after a mesenteric venous thrombosis and an intracranial
hemorrhage in the non-banded group. The differences
in 30-day readmission and reoperation rates were not statistically
significant between the two groups. Mean percentage of excess
BMI loss (%EBMIL) dating from the time of RYGB was 53.1,
72.5, 76.5, 78.8, and 73.3% in the banded group, and 51.5, 73.5,
78.8, 79.0, and 74.8% in the non-banded group at 6, 12, 18, 24,
and 36 months, respectively, adjusted for preoperative BMI. The
differences in %EBMIL were not significant at any follow-up
points between the two groups.
Conclusions Banded laparoscopic RYGB with a pericardial
patch may not demonstrate a significant additional weight loss
or prevent future weight regain. We were not able to demonstrate
a clear advantage of banded RYGB over non-banded
RYGB.

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• Comparison of Banded Versus Non-banded Roux-en-Y Gastric Bypass: a Series of 1150 Patients at a Single Institution