Abstract
Purpose
This study investigates the long-term effects of biliopancreatic diversion with duodenal switch (BPD-DS) on patients with advanced type 2 diabetes mellitus (T2DM) while paying special attention to preoperative diabetes severity.
Materials and Methods
A retrospective analysis was conducted using prospective and current data on patients who underwent an open BPD-DS 6–12 years ago. Patients were stratified according to preoperative diabetes severity into 4 groups (group 1: oral antidiabetic drugs only; group 2: insulin < 5 years; group 3: insulin 5–10 years; group 4: insulin > 10 years). The primary endpoint was T2DM remission rate 6–12 years after BPD-DS as a function of preoperative diabetes severity.
Results
Ninety-one patients with advanced T2DM were included. Sixty-two patients were available for follow-up (rate of 77%). Follow-up was performed (mean ± SD) 8.9 ± 1.3 years after surgery. Glycated hemoglobin (HbA1c) levels were 9.4 ± 2.0% before surgery and decreased to 5.1 ± 0.8% after 1 year and 5.4 ± 1.0% after 6–12 years. Insulin discontinuation rate after surgery as well as the rate of long-term remission decreased steadily from groups 1 to 4, while long-term mortality increased. T2DM remission rates were 93%, 88%, 45%, and 40% in groups 1, 2, 3, and 4, respectively. Late relapse of T2DM occurred in 3 patients (5%).
Conclusions
BPD-DS causes a rapid and long-lasting normalization of glycemic metabolism in patients with advanced T2DM. T2DM remission rate after 6–12 years varies significantly (from 40% to more than 90%) and is highly dependent on preoperative diabetes severity.
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Contributions
Study conception and design: Michael Frenken, Olga Kemmet, Miriam Frenken, Ingo Röhrig, Lars Fischer, Achim Hellinger.
Acquisition of data: Michael Frenken, Olga Kemmet.
Analysis and interpretation of data: Michael Frenken, Olga Kemmet.
Drafting of manuscript: Michael Frenken, Olga Kemmet.
Critical revision: Michael Frenken, Olga Kemmet, Miriam Frenken, Ingo Röhrig, Lars Fischer, Achim Hellinger.
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All procedures performed in studies involving human participants were done so in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For the retrospective part of the study, formal consent was not required.
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Informed consent was obtained from all participants in the study who participated in the last follow-up.
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The authors declare no competing interests.
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The present study complies with each item on the STROBE checklist.
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Key Points
• Patients with advanced T2DM were analyzed 6–12 years after BPD-DS.
• Overall, complete T2DM remission rate was 71% with an improvement rate of 23%.
• Remission rate, absence of insulin, and mortality were dependent on T2DM severity.
• BPD-DS offers favorable outcomes for patients with moderate to severe T2DM.
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Frenken, M., Kemmet, O., Frenken, M. et al. Long-term Remission of Type 2 Diabetes and Patient Survival After Biliopancreatic Diversion with Duodenal Switch. OBES SURG 32, 3340–3350 (2022). https://doi.org/10.1007/s11695-022-06223-5
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DOI: https://doi.org/10.1007/s11695-022-06223-5