Successful Laparoscopic Bariatric Surgery in Peritoneal Dialysis Patients Without Interruption of Their CKD6 Treatment Modality
Gaetano A. Valle, Brian E. Kissane, Nestor de la Cruz-Muñoz
- Patients on peritoneal dialysis with severe obesity often face a frustrating situation of being denied both transplant and weight loss surgery. This study proved bariatric surgery can be safely performed without interrupting dialysis.
- Dr. de la Cruz-Muñoz developed specific technique modifications to protect the dialysis catheter and peritoneal membrane during surgery.
- All patients successfully resumed peritoneal dialysis after surgery without complications or needing to switch to hemodialysis.
- This study is part of a two-paper series on bariatric surgery in patients with advanced kidney disease, complementing a 2018 study on gastric bypass as a bridge to transplant.
- Very few bariatric surgeons have published experience with peritoneal dialysis patients, demonstrating recognition across medical specialties.
- For patients on dialysis struggling with obesity, this study provides evidence that weight loss surgery is a safe option.
This study published in Advances in Peritoneal Dialysis demonstrated that laparoscopic bariatric surgery can be safely performed in patients on peritoneal dialysis for end-stage renal disease without interrupting their dialysis treatment modality. This case series described surgical technique modifications and outcomes in patients who underwent laparoscopic bariatric surgery, demonstrating that the procedure can be performed safely with patients resuming peritoneal dialysis postoperatively without complications. Dr. de la Cruz-Muñoz is the senior author and performed the bariatric surgical procedures.
Why This Study Was Needed
Many people with chronic kidney disease on dialysis also have severe obesity, which can keep them off the kidney transplant list. Patients using peritoneal dialysis, which uses the lining of the abdomen and a catheter to filter the blood at home, face an added concern: abdominal surgery might damage the catheter or the peritoneal membrane and force a switch to hemodialysis.
How the Study Was Done
This case series, with Dr. de la Cruz-Muñoz as senior author and operating surgeon, described patients on peritoneal dialysis who underwent laparoscopic bariatric surgery, the technical modifications used to protect the dialysis catheter and peritoneal membrane, and their outcomes after surgery.
What the Study Found
- Laparoscopic bariatric surgery was performed safely in peritoneal dialysis patients.
- Patients resumed peritoneal dialysis after surgery without needing to switch to hemodialysis.
- Specific technical steps helped protect the catheter and peritoneal membrane.
What This Means for Patients
If you are on peritoneal dialysis and your weight is keeping you from a transplant, bariatric surgery is a realistic option, and you may not need to change your dialysis. This work is complemented by our later study showing gastric bypass as an effective bridge to kidney transplantation. See also GLP-1 medications and kidney protection.
Clinical Pearls
- Peritoneal dialysis is not a contraindication to laparoscopic bariatric surgery.
- Careful planning allows patients to continue their home dialysis.
- Close coordination with the nephrology team is essential.
Strengths and Limitations
This was one of the few published experiences with this population. As a small case series, it describes feasibility rather than comparing outcomes.
Expert Commentary
Patients on peritoneal dialysis are often told they are too heavy for a transplant and too complicated for weight loss surgery. This series showed that with planning and the right technique, we can help them without taking away the dialysis they manage at home.
— Dr. Nestor de la Cruz-Muñoz
Valle GA, Kissane BE, de la Cruz-Muñoz N. Successful Laparoscopic Bariatric Surgery in Peritoneal Dialysis Patients Without Interruption of Their CKD6 Treatment Modality. Advances in Peritoneal Dialysis. 2012;28:134-139. PMID: 23311230.
