[Minimal invasive lumbar sympathectomy--technique and outcome, retroperitoneoscopic approach]].

Peripheral vascular obliteration of the leg provides an indication for a retroperitoneoscopic lumbal sympathectomy initially using a balloon dilator to create a transitional retroperitoneal cavity. After introducing carbon dioxide and two 5-mm instruments, we perform the resection and extirpation of the lumbal sympathetic nerve from L 2 to L 4. No complications occurred in 29 patients except conversion to open surgery in two cases because of gas loss into the peritoneum after causing peritoneal lesions.