Endometriosis - Conservative Surgery

Conservative Surgery

The goal of conservative surgery is to aggressively remove as many endometrial implants and cysts as possible without causing surgical scarring and subsequent adhesions that could cause fertility problems. The two conservative procedures used are either laparoscopy or laparotomy.

Improving Fertility. Surgery has been shown to improve infertility rates in women with severe endometriosis (stages III and IV). Whether it offers any advantage in pregnancy rates in women with mild to moderate endometriosis (stage I or II) is unclear. Nevertheless, some doctors recommend conservative surgery even in early-stage endometriosis, because of the progressive nature of the disorder some evidence that suggests it improves fertility. Fertility can often be restored even if the surgery does not remove all the endometrial implants. However, the best fertility rates in such cases occur in the early postoperative period. They decline over time if implants have not been completely eliminated. Subsequent surgeries become less effective in restoring fertility.

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Reducing Pain and its Recurrence. Studies report pain reduction after surgery in more than 60% of women. Conservative surgery, however, can miss microscopic implants that may continue to cause pain and other symptoms after the procedure.

Even with very successful surgery, endometriosis usually recurs within a period of between 2 months and several years. In one study, the risk for recurrence after conservative surgery was highest in women who have had previous surgery or who have stage IV disease (large endometriotic cysts). Other factors including age, pregnancy, or the number of cysts, did not seem to influence the degree of risk. An earlier study indicated that women who became pregnant after surgery for endometriosis had a lower risk for recurrence, but pregnancy itself does not cure endometriosis. The use of GnRH agonists after surgery may delay recurrence without affecting fertility.

Laparoscopy vs. Laparotomy

Both laparoscopy and laparotomy are effective, but there are differences. Some experts believe that laparoscopy surgery should be the treatment of choice for women with endometriosis.

Laparoscopy is currently the gold standard treatment for endometriosis. It is usually done under general anesthetic and involves the following: