Laserbehandlung beim Hämorrhoidalleiden
摘要
Laser hemorrhoidoplasty (LHP) is a minimally invasive surgical method for the treatment of symptomatic hemorrhoids. The procedure is based on the application of laser energy using a specific laser fiber which is introduced into the submucosa via a small puncture site at the anocutanous line. A predefined energy is delivered to both the hemorrhoidal artery and to the hemorrhoidal cushions. This primarily leads to a decrease of hemorrhoidal perfusion and shrinkage of the hemorrhoidal tissue and secondarily to fibrosis of the submucosa with fixation of the hemorrhoids to the bowel wall. Optimal candidates for LHP as a standalone procedure are patients with symptomatic grades II and III hemorrhoids. Extensive experience is needed to adequately manage grade IV hemorrhoids with LHP alone. Thus, additive procedures, particularly hemorrhoidal artery ligation (HAL) and mucopexy, are recommended to improve treatment results and reduce the risk of recurrence. The LHP can be performed with the patient under any form of anesthesia. Due to tissue preservation, the procedure is relatively quick and minimally painful. With good patient selection, the procedure can be performed as a day surgery or outpatient procedure. Severe postoperative complications are rare and can primarily be attributed to technical errors. The recurrence risk is approximately 30% after 5 years.