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Revista chilena de cirugía

On-line version ISSN 0718-4026


LOPEZ-FONTANA, Gastón; FONERON V, Alejandro  and  CASTILLO C, Octavio A. Percutaneous nephrolitotomy in bariatric surgery patients: Is there an increased risk of complications. Rev Chil Cir [online]. 2012, vol.64, n.5, pp.468-471. ISSN 0718-4026.

Introduction: To report a patient with a history of bariatric surgery and staghorn calculi of the left kidney, who had a colonic perforation after percutaneous renal surgery. Material and Methods: A 38 years old male patient, with a history of gastric bypass, underwent a left percutaneous nephrolithotomy due to staghorn renal calculi. In the procedure, the colon was incidentally perforated during the percutaneous access. Results: The patient developed a sepsis and fecal material appeared surrounding the nephrostomy tube. A transverse colostomy was performed, with improvement of the sepsis and a spontaneous resolution of the nephro-colonic fistula. Conclusion: Is known that bariatric surgery is associated with the novo urinary lithiasis. Besides, there are anatomical changes in between intraabdominal viscera. Radiological studies and a adequate surgical strategy are fundamental to avoid severe surgical complications in kidney stone disease.

Keywords : Obesity; gastric bypass; nephrolitiasis; percutaneous nephrolitotomy; complications.

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