Abstract
Background
Fundoplication is known to improve allograft outcomes in lung transplant recipients by reducing retrograde aspiration secondary to gastroesophageal reflux disease, a modifiable risk factor for chronic allograft dysfunction. Laparoscopic Nissen fundoplication has historically been the anti-reflux procedure of choice, but the procedure is associated with discernable rates of postoperative dysphagia and gas-bloat syndrome. Laparoscopic Toupet fundoplication, an alternate anti-reflux surgery with lower rates of foregut complications in the general population, is the procedure of choice on our institution’s lung transplant protocol. In this work, we evaluated the efficacy and safety of laparoscopic Toupet fundoplication in our lung transplant recipients.
Methods
A prospective case series of 44 lung transplant recipients who underwent laparoscopic Toupet fundoplication by a single surgeon between September 2018 and November 2020 was performed. Preoperative and postoperative results from 24-h pH, esophageal manometry, gastric emptying, and pulmonary function studies were collected alongside severity of gastroesophageal reflux disease and other gastrointestinal symptoms.
Results
Median DeMeester score decreased from 25.9 to 5.4 after fundoplication (p < 0.0001), while percentage of time pH < 4 decreased from 7 to 1.1% (p < 0.0001). The severity of heartburn and regurgitation were also reduced (p < 0.0001 and p = 0.0029 respectively). Overall, pulmonary function, esophageal motility, gastric emptying, severity of bloating, and dysphagia were not significantly different post-fundoplication than pre-fundoplication. Patients with decreasing rates of FEV1 pre-fundoplication saw improvement in their rate of change of FEV1 post-fundoplication (p = 0.011). Median follow-up was 32.2 months post-fundoplication.
Conclusions
Laparoscopic Toupet fundoplication provides objective pathologic acid reflux control and symptomatic gastroesophageal reflux improvement in lung transplant recipients while preserving lung function and foregut motility. Thus, laparoscopic Toupet fundoplication is a safe and effective antireflux surgery alternative in lung transplant recipients.
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Abbreviations
- A1AT:
-
Alpha-1 anti-trypsin
- ARS:
-
Anti-reflux surgery
- ASA:
-
American Society of Anesthesiology
- BOS:
-
Bronchiolitis obliterans syndrome
- CLAD:
-
Chronic lung allograft dysfunction
- COPD:
-
Chronic obstructive pulmonary disease
- CF:
-
Cystic fibrosis
- CI:
-
Confidence interval
- DCI:
-
Distal contractile integral
- FEV1:
-
Forced expiratory volume in 1 s
- FVC:
-
Forced vital capacity
- GERD:
-
Gastroesophageal reflux disease
- GES:
-
Gastric emptying study
- GI:
-
Gastrointestinal
- HREM:
-
High-resolution esophageal manometry
- ILD:
-
Interstitial lung disease
- IQR:
-
Interquartile range
- IRP:
-
Integrated relaxation pressure
- ISHLT:
-
International Society for Heart and Lung Transplantation
- LARS:
-
Laparoscopic anti-reflux surgery
- LES:
-
Lower esophageal sphincter
- LESP:
-
Lower esophageal sphincter pressure
- LNF:
-
Laparoscopic Nissen fundoplication
- LTF:
-
Laparoscopic Toupet fundoplication
- LTx:
-
Lung transplant
- PFT:
-
Pulmonary function test
- PPI:
-
Proton pump inhibitor
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Acknowledgements
The authors would like to thank Sara H. Gray, Candice L. Rogers, and Stefanie L. Wright for their help with this project.
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Dr. Kelly M. Herremans is funded by NHGRI T32 HG008958, but has no financial relationships with any pharmaceutical or device company. Drs. Celeste G. Yergin, Sheetal Patel, Andres Pelaez, Tiago Machuca, Alexander L. Ayzengart, and Manuel A. Amaris, MD have no conflicts of interest or financial ties to disclose.
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Yergin, C.G., Herremans, K.M., Patel, S. et al. Laparoscopic Toupet fundoplication: a safe and effective anti-reflux option in lung transplant recipients. Surg Endosc 37, 8429–8437 (2023). https://doi.org/10.1007/s00464-023-10245-0
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DOI: https://doi.org/10.1007/s00464-023-10245-0