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Background <p>An increasing number of patients with a history of bariatric surgery and advanced respiratory disease are presenting for lung transplantation (LTx). We aimed to describe and compare LTx outcomes between recipients with prior bariatric surgery and a matched control group at a high-volume lung transplant center.</p> Methods <p>After IRB approval, we identified bilateral LTx recipients with a pre-LTx history of bariatric surgery (Roux-en-Y gastric bypass [RYGB], sleeve gastrectomy [SG], or laparoscopic adjustable gastric band [LAGB]). The institutional experience is reported as a case series. Furthermore, perioperative and mid-term transplant outcomes such primary graft dysfunction (PGD), antibody-mediated rejection (AMR), acute cellular rejection (ACR), chronic lung allograft dysfunction (CLAD)-free survival, and overall survival (OS) were compared to a 1-to-2 propensity score-matched control group.</p> Results <p>Nine patients (median age: 65&#xa0;years; 77.8% female) with a history of bariatric surgery (RYGB = 4, SG = 4, LAGB = 1) a median of 76&#xa0;months before LTx were included. The median hospital length of stay (LOS) and ICU-LOS were similar to the control group (<i>n</i> = 18). Moreover, 1-, 2-, and 3-year OS in bariatric and control groups were similar (88.9%, 88.9%, and 66.7% vs. 100%, 86.7%, and 78%, respectively; <i>p</i> = 0.27). CLAD-free survival and rates of PGD, AMR, and ACR were also similar.</p> Conclusions <p>Prior bariatric surgery may not affect overall or CLAD-free survival after bilateral LTx. Bariatric surgery for obesity treatment in patients with advanced lung diseases may improve their LTx candidacy without compromising early and mid-term transplant outcomes.</p>

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Bariatric Surgery and Lung Transplant Outcomes: Case Series and Insights from a Propensity-Matched Analysis at a High-Volume Transplant Center

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月28日

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  • Andrés Latorre-Rodriguez,
  • Mark Shacker,
  • Hesham Mohamed,
  • Ross M. Bremner,
  • Sumeet K. Mittal

摘要

Background

An increasing number of patients with a history of bariatric surgery and advanced respiratory disease are presenting for lung transplantation (LTx). We aimed to describe and compare LTx outcomes between recipients with prior bariatric surgery and a matched control group at a high-volume lung transplant center.

Methods

After IRB approval, we identified bilateral LTx recipients with a pre-LTx history of bariatric surgery (Roux-en-Y gastric bypass [RYGB], sleeve gastrectomy [SG], or laparoscopic adjustable gastric band [LAGB]). The institutional experience is reported as a case series. Furthermore, perioperative and mid-term transplant outcomes such primary graft dysfunction (PGD), antibody-mediated rejection (AMR), acute cellular rejection (ACR), chronic lung allograft dysfunction (CLAD)-free survival, and overall survival (OS) were compared to a 1-to-2 propensity score-matched control group.

Results

Nine patients (median age: 65 years; 77.8% female) with a history of bariatric surgery (RYGB = 4, SG = 4, LAGB = 1) a median of 76 months before LTx were included. The median hospital length of stay (LOS) and ICU-LOS were similar to the control group (n = 18). Moreover, 1-, 2-, and 3-year OS in bariatric and control groups were similar (88.9%, 88.9%, and 66.7% vs. 100%, 86.7%, and 78%, respectively; p = 0.27). CLAD-free survival and rates of PGD, AMR, and ACR were also similar.

Conclusions

Prior bariatric surgery may not affect overall or CLAD-free survival after bilateral LTx. Bariatric surgery for obesity treatment in patients with advanced lung diseases may improve their LTx candidacy without compromising early and mid-term transplant outcomes.