Hemorrhoidectomy and Fistulectomy with Nd: YAG Laser

Hemorrhoids and anal fistulas have been the most common diseases among the Chinese. Since October 1985 724 of the number of the patients had received laser hemorrhoidectomy or fistulectomy, 314 had follow-up period of over 6 months: internal hemorrhoids 238, external 24, anal fistulas 52. Treatment parameters: laser working distance 5 mm, spot size ?? = 1 mm, power density 1910–3185 W/cm2, M/F: 207/107, age ranged 9–82. 9 patients had been refused to give a routine surgical operation elsewhere because of being in the serious local infection stage, 12 because of accompanying hypertension, thyroidism, etc. Results: in most patients, 218 (92%) for internal hemorrhoids, 24 (100%) for external hemorrhoids, 52 (100%) for anal fistulas both preoperative symptoms and physical signs disappeared; the symptoms of 20 (8%) of internal hemorrhoids were improved because of various reasons. Complications: rebleeding 6 /1.9%), severe pain 7 (2.2%), dysuria 12 (4.1%), anal sphincter spasm and skin bridge 5 (1.6%), fissure inanal 5 (1.6%).