Conservative laparoscopic excision of endometriosis by sharp dissection: life table analysis of reoperation and persistent or recurrent disease

Ovarian endometrioma: postoperative adhesions following bipolar coagulation and suture

OBJECTIVE

To compare bipolar coagulation and suturing of the ovary in terms of postoperative ovarian adhesions after laparoscopic ovarian cystectomy for endometriosis.

DESIGN

Prospective, randomized, controlled study.

SETTING

Department of Obstetrics and Gynecology, University of Naples "Federico II."

PATIENT(S)

Thirty-two women with a single endometriotic cyst were randomly divided into two groups of 16 women each (groups A and B).

INTERVENTION(S)

All patients underwent laparoscopic ovarian cystectomy for endometriosis. In group A, hemostasis was performed by closure of the ovary with an intraovarian suture. In group B, complete hemostasis was achieved only with bipolar coagulation on the internal face of the ovary.

MAIN OUTCOME MEASURE(S)

Rate and extension of postsurgical ovarian adhesions at 60-90 days follow-up.

RESULT(S)

At follow-up, a significantly lower rate of postsurgical ovarian adhesions was observed in group A than in group B (30.8% vs. 57.1%). The extension of ovarian adhesions was significantly higher in group B than in group A.

CONCLUSION(S)

The use of sutures on ovaries treated for endometrioma is associated with a lower rate of postoperative ovarian adhesion formation compared with bipolar coagulation.

Urological and colorectal complications following surgery for rectovaginal endometriosis

OBJECTIVES

To report the short- and medium-term complications of laparoscopic laser excisional surgery for rectovaginal endometriosis.

DESIGN

Retrospective cohort study.

SETTING

University teaching hospital, UK.

POPULATION

A total of 128 women with histologically confirmed rectovaginal endometriosis who underwent laparoscopic laser surgery between May 1999 and September 2006.

METHODS

Women were identified from operative database, and a case note review was performed. Data for surgical outcome and surgical complications were collected.

MAIN OUTCOME MEASURES

Rates of urinary tract and colorectal complications.

RESULTS

A total of 128 women underwent surgery. Of these, 32 required intraoperative closure of a rectal wall defect, including 3 segmental rectosigmoid resections. There were three rectovaginal fistulae and one ureterovaginal fistula. Ureteric damage occurred in two women, and five women suffered postoperative urinary retention. The risk of intraoperative bowel intervention was increased in women who complained of cyclical rectal bleeding.

CONCLUSION

Laparoscopic laser excision of rectovaginal endometriosis is a safe procedure with similar, if not lower, complication rates to other published surgical series.

Chronic Pelvic Pain: How Many Surgeries Are Enough?

The key to treatment of chronic pelvic pain is to treat it as the complex disease it is. Evidence is reviewed showing that identifying one aspect of the disease such as endometriosis or adhesions then treating only that component is not likely to be successful. Given our understanding of the neuropathology of chronic pelvic pain this failure of traditional therapy is to be expected. This evidence is reviewed and supports that an integrated treatment approach holds the most promise for a successful outcome. The goal of chronic pelvic pain management is for the clinician to identify every pain generator and treat each one.

Prise en charge chirurgicale de l'endométriose

Both laparoscopic techniques (excision and ablation) for the treatment of superficial peritoneal endometriosis are equally effective (EL2). For the treatment of ovarian endometriomas larger than 3 cm, laparoscopic cystectomy is superior to drainage and coagulation (EL1). Excision of deep rectovaginal endometriosis with or without rectal invasion significantly reduces endometriosis-associated pain (EL4). Laparoscopic partial bladder cystectomy is easier for dome endometriosis than vesical base lesions (EL4). Hysterectomy with ovarian conservation is associated with a high risk of pain recurrence (EL4). Despite bilateral oophorectomy, pain recurrence can occur with hormonal treatment (EL2). Rates of major (ureteral, vesical, intestinal or vascular) complications of endometriosis surgery range from 0.1 to 15% of patients. Higher rates are more common with deep endometriosis surgery (EL2). Patients should be aware of these specific major complications. It is advisable to explain that pain improves, either partially or completely, in about 80% of patients.

Treatment of pelvic pain associated with endometriosis

Pain associated with endometriosis requires careful evaluation to exclude other potential causes and may involve a number of different mechanisms. Both medical and surgical treatments for pain related to endometriosis are effective and choice of treatment must be individualized.

Conservative surgical management of endometriosis in women with pelvic pain

Endometriosis is a common cause of pelvic pain in women. This article addresses the conservative surgical treatment of endometriosis for this indication.

Clinical evaluation of endometriosis and differential response to surgical therapy with and without application of Oxiplex/AP* adhesion barrier gel

OBJECTIVE

To correlate parameters of endometriosis obtained during routine clinical evaluation with the subsequent formation of adhesions following surgical treatment by laparoscopy.

DESIGN

Randomized, controlled, double-blind, clinical trial.

SETTING

Tertiary referral centers for the treatment of endometriosis.

PATIENT(S)

Thirty-seven patients (65 with adnexa) with stage I-III endometriosis; endometrioma-only patients were excluded.

INTERVENTION

Laparoscopic surgical treatment of endometriosis, followed by randomization to Oxiplex/AP (FzioMed, Inc., San Luis Obispo, California) gel treatment (treated group) of adnexa, or surgery alone (control group); follow-up laparoscopy 6-10 weeks later.

MAIN OUTCOME MEASURE(S)

Adnexal Americn Fertility Society score, correlated with color and location of endometriosis, as well as stage of disease determined by masked review of videotapes.

RESULT(S)

Control patients with at least 50% red lesions had a greater increase in ipsilateral adnexal adhesion scores than patients with mostly black or white and/or clear lesions. Treated patients with red lesions had a greater decrease in adnexal adhesion scores than control patients. There was a correlation between baseline endometriosis stage and postoperative adhesion formation in control patients, but not treated patients.

CONCLUSION(S)

Patients with red endometriotic lesions had greater increases in their adhesion scores than patients with only black, white, and/or clear lesions. Oxiplex/AP gel was effective in reducing adhesions, compared to surgery alone, in all groups.

Hysterectomy for treatment of pain associated with endometriosis

The literature was searched for endometriosis and hysterectomy on PubMed and the individual search engines of the Journal of Minimally Invasive Surgery, Fertility and Sterility, BJOG, Obstetrics and Gynecology, the American Journal of Obstetrics and Gynecology, and Human Reproduction. Eighty references of interest were identified and included in this review. Analysis of hysterectomy for pain associated with endometriosis is difficult for many reasons. These include a lack of differentiation of various forms of cyclic pain from other forms of non-cyclic pain, the retrospective nature of much of the literature, and a low specificity for identifying pain. Hysterectomy for chronic non-specified pelvic pain associated with endometriosis is a successful approach in many women. It can not be determined whether this is due to intermingling of patients with and without cyclic pain or if both of these respond equally well. Focused prospective research is needed to determine whether symptoms, signs, or laboratory findings might be useful in determining more specific response patterns.

Is the endometriosis recurrence rate increased after ovarian hyperstimulation?

OBJECTIVE

To test the hypothesis that the cumulative endometriosis recurrence rate (CERR) after fertility surgery for endometriosis stage III or IV is increased in women exposed to very high E(2) levels during ovarian hyperstimulation (OH) for IVF when compared with women exposed to less high E(2) levels during OH for intrauterine insemination (IUI).

DESIGN

Retrospective cohort study including infertility patients with endometriosis stage III or IV.

SETTING

Leuven University Fertility Center, between 1990 and 2001.

PATIENT(S)

Patients (n = 67) with endometriosis stage III (n = 45) or IV (n = 22) who underwent pelvic reconstructive surgery and subsequently started fertility treatment with either IVF only (n = 39), both IVF and IUI in different cycles (n = 11), or IUI only (n = 17).

INTERVENTION(S)

Life table analysis was used to calculate the CERR.

MAIN OUTCOME MEASURE(S)

The CERR based on histologic or cytologic proof of disease recurrence.

RESULT(S)

At 21 months after the start of OH the overall CERR was 31% and was significantly lower in patients treated with IVF only (7%) or women treated with both IVF and IUI in different cycles (43 %) than in those treated with IUI only (70%). At 36 months after the start of OH, the overall CERR was 63%.

CONCLUSION(S)

In contrast to our hypothesis, the results from this study showed that the CERR is lower after ovarian hyperstimulation for IVF than after lower-dose ovarian stimulation for IUI, suggesting that temporary exposure to very high E(2) levels in women during OH for IVF is not a major risk factor for endometriosis recurrence in women treated with assisted reproductive technology.

Determinants of long-term clinically detected recurrence rates of deep, ovarian, and pelvic endometriosis

OBJECTIVE

This study was undertaken to analyze the frequency and the determinants of long-term clinically detectable recurrence rate of deep, ovarian, and pelvic endometriosis.

STUDY DESIGN

The clinical data of 1106 women with first diagnosis of endometriosis observed between 1979 and 2001 were collected.

RESULTS

The 4-year recurrence rate was 24.6%, 17.8%, 30.6% and 23.7%, respectively, for cases of ovarian, pelvic, deep, and ovarian and pelvic endometriosis (P < .05). The recurrence rates decreased in all groups (with the exception of ovarian endometriosis) in the class age 34 years or older, these findings were significant (P < .05). Radicality was associated with lower recurrence rates in all the groups. A pregnancy after diagnosis was associated with a reduced risk of recurrence.

CONCLUSION

The study shows that the recurrence rates of endometriosis were higher in case of deep endometriosis and that the risk factors for recurrence were similar among women with endometriosis at different sites.

Laparoscopic excision of recurrent endometriomas: long-term outcome and comparison with primary surgery

OBJECTIVE

To compare the laparoscopic excision of primary versus recurrent ovarian endometriomas.

DESIGN

Descriptive study.

SETTING

Tertiary referral center for the treatment of endometriosis.

PATIENT(S)

Between 1993 and 2002, 359 consecutive patients: 305 primary surgeries (group A) and 54 reoperations for a recurrent endometrioma in the same ovary of the primary cyst (group B).

INTERVENTION(S)

Laparoscopic stripping of the cyst wall. Follow-up evaluations every 6 months, including clinical and ultrasonographic evaluations and a questionnaire for pain symptoms (mean follow-up time, +/- standard deviation: 35.4 +/- 27.6 months).

MAIN OUTCOME MEASURE(S)

Recurrence of pain symptoms, sonographic recurrence of endometriomas, need for a new medical or surgical treatment, and reproductive outcome.

RESULT(S)

In groups A and B, respectively, the 5-year cumulative rates were not statistically significantly different: pain recurrence 20.5% versus 17.4%; ultrasonographic recurrence 18.9% versus 15.1%; retreatment requirement 19.4% versus 17.3%; and pregnancy 40.8% versus 32.4%. Although the difference was not statistically significant, compared with patients of group A, the women of group B underwent assisted reproduction techniques more frequently (50% vs. 32.2%) and had more irregular menstrual cycles associated with follicle-stimulating hormone levels > or = 14 IU/mL in the early follicular phase (5.5% vs. 1.3%).

CONCLUSION(S)

After laparoscopic excision of recurrent ovarian endometriomas, the recurrence of pain and the reproductive outcome are comparable with those found after primary surgery.

Efficacy of laparoscopic excision of visually diagnosed peritoneal endometriosis in the treatment of chronic pelvic pain

OBJECTIVE

To determine the efficacy of laparoscopic excision of visually diagnosed endometriosis in the treatment of chronic pelvic pain.

STUDY DESIGN

Sixty-two women with chronic pelvic pain and who underwent laparoscopic excision of visually diagnosed peritoneal lesions suggestive of endometriosis returned postal questionnaires. The main outcomes measures were change in pelvic pain symptoms measured on a continuous and ordinal scale and patient satisfaction following treatment. Secondary outcomes were quality of life, time off work and use of health service resources.

RESULTS

42/62 (68%) women with an average follow up time of 13 months (range 6-38 months) returned completed outcome questionnaires. The mean amount of pelvic pain was reduced following surgery compared to immediately prior to treatment, regardless of the nature of the pain (P<0.05). Overall, 67% (95% CI 50-80%) of women reported improvement in pain symptoms and 71% (95% CI 55-84%) were satisfied with the results of treatment. Satisfaction with treatment was comparable whether the visual diagnosis of peritoneal endometriosis was confirmed histologically or not (62% versus 64%, P=1.0).

CONCLUSION

Laparoscopic excision of visually diagnosed endometriosis appears to be efficacious in the treatment of women with chronic pelvic pain. The launch of a long-term randomised controlled trial to confirm these provisional results is now required.

Laparoscopic management of rectal endometriosis

PURPOSE

Surgical treatment of females with rectal endometriosis is challenging. The aim of this study was to review the results of laparoscopic intervention in the management of females with this complex disorder.

METHOD

All cases of complex tertiary referral pelvic endometriosis requiring laparoscopic surgical intervention of the rectum were identified and reviewed from a prospective database.

RESULTS

Between April 1996 and August 2004, 95 patients with pelvic endometriosis involving the rectum had laparoscopic surgical procedures performed by one gynecologist and one colorectal surgeon. Eighty percent of rectal procedures were completed laparoscopically. Forty-three (45 percent) were treated with diathermy excision, 18 (19 percent) had shave partial-thickness disc excision, 20 (21 percent) had full-thickness disc excision (including 14 endoanally using a circular stapler), while 14 (15 percent) were managed with laparoscopic-assisted segmental low anterior resection. A history of rectal pain during defecation present only during menstruation (adjusted odds ratio=8.6, 95 percent confidence interval (CI)=1.8-41.2) and previous laparoscopy (adjusted odds ratio=3.2, 95 percent CI=1.2-8.3) independently predicted a need for more extensive surgery than diathermy excision. There were no rectal anastomotic leaks, with 8 percent overall morbidity. The only significant predictor of ongoing postoperative symptoms was a history of dyspareunia (P=0.03).

CONCLUSIONS

Patients with complex endometriosis of the rectum can be safely managed laparoscopically using a multidisciplinary approach. This case series suggests that a history of rectal pain during defecation that occurs only during menstruation is predictive of females with more extensive rectal disease.

A prospective multi-centre study of major complications experienced during excisional laparoscopic surgery for endometriosis

OBJECTIVE

To clarify the rate of major intra-operative and post-operative complications experienced during excisional surgery for endometriosis.

DESIGN

Prospective multi-centre observational study set in two University teaching hospitals and three private hospitals in Sydney, Australia. All consecutive subjects undergoing laparoscopic excisional surgery for minimal to severe endometriosis were recruited (790 subjects). Complications were recorded intra-operatively or post-operatively on a secure computerised patient database. Major intra- and post-operative complications i.e. inadvertent visceral or vascular injury or other complications directly related to surgery that either significantly prolonged the operating time, delayed discharge or necessitated re-admission.

RESULTS

Seven hundred and ninety subjects were recruited over a 3-year period. Seven major complications were experienced (8.8/1000); four bowel injuries, one cystotomy, one ureteric transection, and one major vascular injury. All visceral or vascular injuries were diagnosed prior to completion of the surgery. No significant longterm sequelae were experienced.

CONCLUSION

The incidence of major complications in this study of 8.8/1000 compares favourably with other similar reports. In view of the potential symptom relief obtained, the authors continue to believe the benefits of such surgery significantly outweigh the risks of subsequent operative-related morbidity.

Recombinant Human TNFRSF1A (r-hTBP1) Inhibits the Development of Endometriosis in Baboons: A Prospective, Randomized, Placebo- and Drug-Controlled Study1

Endometriosis is associated with chronic inflammation, including an increased macrophage activity with increased secretion of cytokines, such as tumor necrosis factor (TNF) or TNF superfamily member 2, previously known as TNFalpha. In the present study, we tested the hypothesis that recombinant human TNFRSF1A (r-hTBP1) can inhibit the development of endometriotic lesions in the baboon, an established model for the study of endometriosis. Endometriosis was induced using intrapelvic injection of menstrual endometrium in 20 baboons with a normal pelvis. In the first part of the study, 14 baboons were randomly assigned to subcutaneous treatment with r-hTBP1, placebo, or GnRH antagonist (positive control). In the second part of the study, menstrual endometrium from 6 baboons was randomly incubated with either PBS or r-hTBP1 before intrapelvic seeding. Video laparoscopy was performed 25 days later to document the number, surface area, and estimated volume of endometriotic lesions and adhesions; to calculate the revised American Fertility Society (rAFS) score and stage; and to confirm the histological presence of endometriosis. In the first part, baboons treated with r-hTBP1 or with Antide (Bachem) had a lower endometriosis rAFS score, a lower surface area and estimated volume of peritoneal endometriotic lesions, and a lower histological confirmation rate compared with controls. Because of less adnexal and cul-de-sac adhesions, the number of baboons with endometriosis of stage II, III, or IV was lower among baboons treated with r-hTBP1 or Antide than among controls. In the second part, the surface area of endometriotic lesions was lower, and less severe endometriosis was observed in r-hTBP1-treated baboons. No hypoestrogenic effects were observed in baboons treated with r-hTBP1. In conclusion, r-hTBP1 can effectively inhibit the development of endometriosis without hypoestrogenic effects in baboons.

Surgical treatment of deep endometriosis and risk of recurrence

STUDY OBJECTIVE

To evaluate the risk of recurrence of deep endometriosis after conservative surgery.

DESIGN

Retrospective analysis (Canadian Task Force classification II-3).

SETTING

Tertiary care university hospital.

PATIENTS

One hundred fifteen symptomatic patients operated on in our department from 1996 through 2002 with postoperative follow-up of at least 12 months.

INTERVENTION

All patients underwent conservative surgery for deep infiltrating endometriosis.

MEASUREMENT AND MAIN RESULTS

Risk factors for recurrence of symptoms and clinical findings and for repeated surgery were evaluated by univariate and multivariate analysis. During follow-up, we observed 28 patients with pain recurrence and 15 patients with recurrent clinical findings, and 12 patients required reoperation for deep endometriosis. Recurrence rates of pain and clinical findings during 36 months were 20.5% and 9%, respectively. Multivariate analysis showed that only age was a significant predictor of pain recurrence (OR 0.9, 95% CI 0.81-0.99, p<.05), enhancing the risk in younger patients. Recurrence of clinical signs of deep endometriosis was predicted by obliteration of the pouch of Douglas (OR 1.46, 95% CI 1.16-16.2, p<.05). Reoperation for deep endometriosis was predicted only by the incompleteness of first operation (OR 21.9, 95% CI 3.2-146.5, p<.001).

CONCLUSION

Our study indicates that age, obliteration of the pouch of Douglas, and surgical completeness may have a significant influence on the recurrence of the disease.

Increased cyclooxygenase-2 expression is associated with better clinical outcome in patients submitted to complete ablation for severe endometriosis

BACKGROUND

Recent studies have demonstrated the overexpression of cyclooxygenase-2 (COX-2) in endometriosis. The aim of this study was to investigate the correlation between COX-2 expression and the clinical outcome rate in a homogeneous series of patients undergoing fertility-sparing complete laparoscopic ablation for severe endometriosis.

METHODS

COX-2 expression was analysed by immunohistochemistry in 103 samples, 71 endometriomas (group 1) and 32 peritoneal implants and or recto-vaginal nodules (group 2) of endometriotic tissue from 85 patients submitted to complete laparoscopic ablation of severe endometriosis.

RESULTS

At median follow-up of 54 months, a recurrence rate of 24.7% (n = 21) was observed. Patients with COX-2-positive endometriotic cysts showed a lower relapse rate than COX-2-negative cases (16.7 versus 41.2%; P = 0.036). Patients with COX-2-positive peritoneal implant and or recto-vaginal nodule showed a similar trend. Taking the two groups of patients together, we found a significantly lower relapse rate in COX-2-positive patients in comparison to COX-2-negative patients (16.4 versus 40%; P = 0.0152). Moreover, COX-2-positive patients showed a longer relapse-free survival in comparison to COX-2-negative patients (P = 0.016).

CONCLUSIONS

In patients with severe endometriosis who underwent fertility-sparing complete ablation, COX-2 overexpression characterizes a subgroup of patients with lower risk of relapse and longer relapse-free survival.

A randomized trial of excision versus ablation for mild endometriosis

OBJECTIVE

To compare excisional and ablative treatment modalities for mild (revised American Fertility score 1-2) endometriosis in the management of chronic pelvic pain.

DESIGN

A randomized study of excision or ablation for mild endometriosis, participants and investigators alike blinded to the treatment modality at the follow-up visit.

SETTING

District general hospital with a specialist pelvic pain clinic in the United Kingdom.

PATIENT(S)

Women presenting with chronic pelvic pain.

INTERVENTION(S)

Participants were asked to complete a questionnaire detailing symptoms related to chronic pelvic pain and rating their pain on a ranked ordinal scale. Areas of pelvic tenderness were identified and similarly ranked. At laparoscopy they were randomly assigned to excision or ablation of any endometriotic lesions, and the questionnaire was repeated at 6 months.

MAIN OUTCOME MEASURE(S)

Changes in pain score on a ranked ordinal scale after surgical treatment for mild endometriosis.

RESULT(S)

Both treatment modalities produced good symptomatic relief and reduction of pelvic tenderness (67%). There was no difference in morbidity; one woman in each group became pregnant during the study period. Only two participants reported no relief or a worsening of symptoms or signs.

CONCLUSION(S)

This small study showed good symptom relief at 6 months from pelvic pain for the majority of participants irrespective of the treatment modality, but two participants did not improve or got worse. A high pain score before treatment was a predictor of appreciable improvement. Further work is needed to identify women in whom surgical intervention is likely to produce a good response.

Reduced progesterone action during endometrial maturation: a potential risk factor for the development of endometriosis

OBJECTIVE

To discuss the role that reduced endometrial responsiveness to progesterone (P) might play in the pathophysiology of endometriosis.

DESIGN

A review of experimental evidence regarding the failure of P to regulate the expression of matrix metalloproteinases (MMPs) in the endometrium of patients with endometriosis.

CONCLUSION(S)

Progesterone and locally produced differentiation factors act cooperatively to reduce MMP expression by maternal endometrial cells within the pro-inflammatory micro-environment of early pregnancy. Our in vitro studies with normal human endometrium demonstrate that prior P exposure not only down-regulates MMP expression, but also limits the ability of locally produced proinflammatory cytokines to stimulate expression of these enzymes. In contrast, endometrial tissues from women with endometriosis demonstrate an altered response to P, allowing a continuous expression of MMPs throughout the secretory phase. Although the factors that influence the loss of P sensitivity in the endometrium of patients with endometriosis have not yet been defined, alterations in cell-cell communication seem to contribute to dysregulated MMP expression. Specifically, proinflammatory cytokines produced by epithelial cells oppose stromal cell responses to P, inhibiting production of key differentiation factors necessary for cell-specific MMP regulation. The resulting loss in normal MMP regulation enhances the invasive capacity of endometrial tissue, promoting ectopic establishment in an experimental model.

An audit of conservative surgery for endometriosis in a district general hospital 1995-1998

As conservative surgery for endometriosis is a relatively new introduction to our hospital we felt it would be of value to audit our results and compare these with results from published series. We sent postal questionnaires to 104 patients who had undergone surgery over the past 3 years to assess their response to treatment. We combined this with an additional questionnaire to patients who had a Laparoscopic uterine nerve ablation (LUNA) procedure. We received replies from 81% of the patients with 81% having symptom improvement following their operation. Eighty-seven per cent of patients who had LUNA returned the questionnaire with 64% having some symptom improvement following surgery. On the basis of our results we will continue to offer conservative surgery for endometriosis as the best primary treatment but have some reservations about the addition of LUNA in patients with endometriosis.

Laparoscopic treatment of pelvic pain associated with minimal and mild endometriosis with use of the Helica Thermal Coagulator

OBJECTIVE

To investigate the clinical efficacy and safety of Helica Thermal Coagulator (TC) in the treatment of pelvic pain associated with minimal (stage I) and mild (stage II) endometriosis.

DESIGN

A clinical observational study.

SETTING

A referral center for laparoscopic treatment of endometriosis.

PATIENT(S)

Eighty-one women with pelvic pain symptoms associated with minimal and mild endometriosis diagnosed at laparoscopy.

INTERVENTION(S)

Helica TC to treat endometriotic lesions. The revised American Fertility Society (rAFS) classification was used to stage endometriosis. Pain symptoms and patient satisfaction were assessed subjectively at 3 and 6 months follow-up.

MAIN OUTCOME MEASURE(S)

Improvement or relief of pelvic pain symptoms, and intra- or postoperative complications.

RESULT(S)

A total of 79 women completed the study to 6 months follow-up. At 3 months, 59 (74.7%) women reported resolution and satisfactory improvement of symptoms, whereas 20 (25.3%) women continued to experience painful symptoms. At 6 months, 69 (87.4%) women reported resolution and satisfactory improvement of symptoms, whereas 9 (11.4%) women reported no changes and 1 (1.2%) woman experienced worsening symptoms. No significant differences were found between minimal and mild disease. No side effects or surgical complications occurred.

CONCLUSION(S)

Meaningful improvements and relief in clinical symptoms can be obtained with conservative laparoscopic surgery. Helica TC is a simple, effective, and safe device for the treatment of pelvic pain in women with stages I and II endometriosis. This approach requires further evaluation as part of randomized controlled trials.

Determinants of short term recurrence rate of endometriosis

OBJECTIVE

To analyse the frequency and the determinants of recurrence rate of clinically detectable endometriosis.

STUDY DESIGN

Prospective cohort multicenter study. Eligible for the study were all women observed for the first time during the period January-June 1998 at the participating centres with a laparoscopically confirmed first diagnosis of endometriosis. After diagnosis, patients were treated according to standard care of each centre and desire for pregnancy. The protocol required all women to be followed up at the centre each year for 2 years with a clinical examination, an ultrasound pelvic examination and a CA125 assay, unless pregnancy occurred. Second look laparoscopy was performed on a clinical basis.

RESULTS

A total of 311 women (median age 36 years) entered the study. The two-year recurrence rate was 5.7% among cases stage I-II and 14.4% among stage III-IV (chi(1)2 adjusted for indication for surgery, p < 0.05). The recurrence rates tended to increase with age, being 4.6% among women aged 20-30 and 13.1% among women aged >30, but this finding was not statistically significant.

CONCLUSION

The recurrence rate of clinically detectable endometriosis tends to be higher in older women with advanced stages of the disease and lower in women with infertility.

Surgical Management of Deeply Infiltrating Endometriosis: An Update

Deeply infiltrating endometriosis (DIE) manifests itself mainly in the form of pain, predominantly deep dyspareunia, and painful functional symptoms that are aggravated monthly during menstruation, with the semiology being directly correlated with the location of the lesions (bladder, rectum). A workup to assess the extent of the disease is necessary to establish an accurate map of the DIE lesions, which is the essential condition to perform complete exeresis. The treatment of first intention is surgical, because medical treatments are only palliative in the majority of cases. Successful treatment depends on achieving radical surgical exeresis. Analysis of the anatomical distribution of the DIE lesions allows a "surgical classification" to be proposed to standardize the modalities of surgical treatment. Further studies are needed to specify the place and modalities of medical treatments preoperatively and postoperatively.

Transient abdominal ovariopexy for adhesion prevention in patients who underwent surgery for severe pelvic endometriosis

OBJECTIVE

To assess adhesion reformation and subsequent fertility after a transient ovariopexy performed during severe pelvic endometriosis surgery.

DESIGN

Retrospective study.

SETTING

University hospital.

PATIENT(S)

Twenty young women who underwent severe pelvic endometriosis surgery.

INTERVENTION(S)

Unilateral or bilateral transient ovariopexy to the anterior abdominal wall was performed as the last step in the surgical procedure. Median duration of ovariopexy was 4 days.

MAIN OUTCOME MEASURE(S)

Adhesion reformation and subsequent fertility.

RESULT(S)

This well-tolerated procedure induced neither specific complication nor prolonged hospital stay. A second-look laparoscopy, performed in eight patients (40%), has shown a reduction of the occurrence, the extent, and the severity of ovarian adhesions. Two thirds of the suspended ovaries had no or smooth adhesions at second-look laparoscopy, even though all ovaries were initially adherent. Fifteen infertile women without male infertility factors tried actively to conceive after surgery. In this group of patients, four conceived spontaneously, and four conceived after IVF (total pregnancy rate = 53.3%). Seven patients delivered, and one pregnancy is ongoing. Median pregnancy delay was 11.5 months (range, 4-24 months).

CONCLUSION(S)

Transient ovariopexy appears to be a simple, safe, and effective technique in preventing postoperative adhesion reformation in severe pelvic endometriosis.

Current practice for the laparoscopic diagnosis and treatment of endometriosis: a national questionnaire survey of consultant gynaecologists in UK

OBJECTIVE

To determine current practice regarding laparoscopic diagnosis and treatment of endometriosis.

DESIGN

A prospective questionnaire survey.

SETTING

The United Kingdom.

POPULATION

All 1411 UK consultant gynaecologists identified from a Royal College of Obstetricians and Gynaecologists database.

METHODS

A postal questionnaire was sent to all consultants with reply paid envelopes. A postal reminder was sent three months following the initial questionnaire.

MAIN OUTCOME MEASURE

Current practice for the laparoscopic diagnosis and treatment of endometriosis and willingness to participate in a randomised trial.

RESULTS

The response rate was 66% (893/1411). Diagnostic laparoscopy was performed by 87% (772/893) of respondents. Seventy-six percent of these (58/772) were confident to visually diagnose endometriosis and 6% (47/772) routinely verified the diagnosis histologically. Laparoscopic surgery was routinely undertaken by 41% (318/772) of respondents. Ablative therapy was the most frequently employed technique utilised [620/653 (95%)] and electrodiathermy was the most popular energy modality (80%). Among respondents expressing a preference, excision of disease was believed to be more effective, but less safe compared with ablation. One-third of respondents (273/893) were willing to enter patients into a randomised controlled trial to compare laparoscopic treatments for pelvic pain associated with endometriosis.

CONCLUSION

Laparoscopic surgery for endometriosis associated with pelvic pain is routinely undertaken by a large number of UK consultant gynaecologists, but techniques used and beliefs about efficacy vary. In view of this division of opinion regarding the relative roles of laparoscopic treatment methods, a randomised trial comparing the efficacy and safety of these methods is urgently needed.

[Surgical management of rectovaginal septum endometriosis from a continuous series of 50 cases]

OBJECTIVES

To assess the value of MRI and ano-rectal endosonography (ARES) for the diagnosis and surgical prognosis of rectovaginal septum endometriosis and to analyse the surgical management in order to evaluate its functional results and complications.

PATIENTS AND METHODS

Retrospective study of 50 consecutive patients operated for a clinical presumption of endometriosis nodule of the recto vaginal septum. Thirty-nine patients had a MRI, 31 an ARES and 28 both exams. All the patients had a complete dissection of the rectovaginal septum and all lesions were excised.

RESULTS

For the diagnosis of rectovaginal septum endometriosis nodule, MRI results are: sensitivity 73%, specificity 50%, positive predictive value (PPV) 89%, negative predictive value (NPV) 25%; for uterosacral ligaments involvement: sensitivity 84%, specificity 95%, PPV 94%, NPV 86% and for rectal wall infiltration: sensitivity 53%, specificity 82%, PPV 69%, NPV 69%. The ARES results for diagnosis of rectovaginal septum endometriosis nodule are: sensitivity 93%, specificity 100%, PPV 100%, NPV 50% and for rectal wall infiltration: sensitivity 100%, specificity 71%, PPV 81%, NPV 100%. ARES appeared more sensitive than MRI for the detection of rectal wall infiltration (P = 0.002) and for rectovaginal septum endometriosis nodule diagnosis (P = 0.03). Eighty-nine percent of the patients had a coelioscopy in first intention and 15 laparoconversions were performed, 11 in order to perform a digestive resection: 45 nodules were found. In 43cases the nodule was excised, associated to 19 digestive resections, 30 colpectomys, and 22 uterosacral ligaments resections. Three patients required an additional surgical treatment by Hartman's procedure with Mickulicz's drainage for peritonitis. Forty-one nodules were endometriosis nodules: the two other cases were fibrosis nodules. Thirty-three patients were interviewed about the evolution of their pains over a mean history of 20 months: 90% of the patients were satisfied with the management results.

DISCUSSION AND CONCLUSIONS

Our data support the efficiency of MRI for rectovaginal septum endometriosis nodule and uterosacral ligaments involvement diagnosis; accord ARES to rectovaginal septum endometriosis nodule diagnosis and its reliability in establishing a diagnosis of rectal wall involvement. The surgical cure of rectovaginal septum nodules without digestive infiltration is performed by coelioscopic or coelio-vaginal procedure, but in case of associated digestive affliction, laparotomy is actually the standard procedure in order to achieve a complete cure of the lesions. Complications, in particular peritonitis, are not frequent. Our data support the efficiency of radical surgical treatment for the improvement of pain symptoms. Results on fertility seem to be satisfactory, but complication risks suggest being careful in this indication. Clinical examination during a catamenial period is essential in order to evoke the diagnosis. MRI yields a complete map of the sub-peritoneal and peritoneal lesions and ARES allows for the diagnosis of an infiltration of the rectal wall. Pre-operative association of those two exams is actually indispensable for the surgical management of those patients, which consists of complete excision of endometriosical lesions and is efficient at treating pain symptoms and fertility. Complications are rare but severe, therefore, justifying a cure in specialised centres.

Long-term follow-up after conservative surgery for rectovaginal endometriosis

OBJECTIVE

The purpose of this study was to evaluate long-term results in patients who received conservative surgical treatment for rectovaginal endometriosis.

STUDY DESIGN

We analyzed the follow-up data for 83 women who underwent surgery for rectovaginal endometriosis. The inclusion criteria were age 20 to 42 years, moderate-to-severe pain symptoms, conservative treatment with retention of the uterus, and at least 1 ovary; the follow-up period was > or =12 months. Kaplan-Meier analysis and Cox regression were used to calculate recurrence rates.

RESULTS

The cumulative rates of pain recurrence, clinical or sonographic recurrence, and new treatment were 28%, 34%, and 27%, respectively. The younger patients had the higher risk of recurrence. Pregnancy had protective effects against the recurrence of symptoms and a need for a new treatment. Patients who underwent bowel resection had fewer recurrences.

CONCLUSION

Segmental resection and anastomosis of the bowel, when necessary, improves the outcome without affecting chances of conception. Higher recurrence rates in younger patients seems to justify a more radical treatment in this group of women.

Adolescent endometriosis: diagnosis and treatment approaches

OBJECTIVES

To review the etiologies, diagnosis, and treatment options of adolescent endometriosis.

METHODS

Review of publications relating to adolescent endometriosis.

RESULTS

Endometriosis occurs in adolescents as young as 8 years of age; furthermore, there have been documented cases of endometriosis occurring prior to menarche. Adolescents presenting with pelvic pain are treated with cyclic combination oral contraceptive pills and nonsteroidal anti-inflammatory agents. If the pain does not respond to these therapies, then in adolescents as in adults, an operative laparoscopy is recommended for the diagnosis and surgical management of endometriosis. The operating gynecologist should be familiar with the appearance of the complete spectrum of various morphologies of endometriosis, as adolescents tend to have clear, red, white, and/or yellow-brown lesions more frequently than black or blue lesions. Subtle clear lesions of endometriosis may be better visualized by filling the pelvis with irrigation fluid so that the clear lesions can be appreciated in a three-dimensional appearance. Young women who are found to have endometriosis by laparoscopy may present with acyclic, cyclic, and constant pelvic pain. Adolescents with pelvic pain not responding to conventional medical therapy have approximately a 70% prevalence of endometriosis. It is known that endometriosis is a progressive disease and since there is no cure, adolescents with endometriosis require long-term medical management until the time in their lives when they have completed childbearing. Psychosocial support is extremely important for this population of young women with endometriosis.

CONCLUSIONS

Endometriosis occurs in adolescents, and presenting symptoms may vary from those seen in adult women with the disease. All health care providers must be aware of the existence of adolescent endometriosis. They should also be aware of the presenting symptoms so that the adolescent can be appropriately referred to a gynecologist comfortable with medical and surgical treatment options in this patient population. If laparoscopy is to be undertaken, the gynecologist must be prepared not only to diagnose but to surgically manage endometriosis. In addition, the subtle laparoscopic findings of endometriosis in adolescents must be recognized for an appropriate diagnosis. Long-term medical therapy will hopefully decrease pain and the progression of the disease, thus decreasing the risk of advanced-stage disease and infertility.

Laparoscopic mobilization of the rectosigmoid and excision of the obliterated cul-de-sac

STUDY OBJECTIVE

To evaluate the feasibility and surgical and clinical outcomes of laparoscopic excision of anterior recto-sigmoid wall endometriosis and en bloc dissection of the obliterated cul-de-sac.

DESIGN

Retrospective cohort (Canadian Task Force classification II-2).

SETTING

University-affiliated teaching hospital.

PATIENTS

Eighty-one women with infertility and/or chronic pelvic pain. Intervention. Laparoscopic excision of all endometrial implants and uterosacral ligaments, and dissection of the cul-de-sac using a horseshoe-shaped approach to mobilize, but not resect, the rectosigmoid.

MEASUREMENTS AND MAIN OUTCOMES

Eleven women (24%) had endometriomas. Cumulative pregnancy rates in 34 women with primary infertility and 12 with secondary infertility were 62% and 42%, respectively. Eighty-eight percent of 61 women with pain reported significant improvement of symptoms.

CONCLUSION

Laparoscopic excision of cul-de-sac and rectovaginal endometriosis by this approach is feasible and safe when performed by an experienced surgeon, and results in high rates of cumulative pregnancy and relief of pain. Some patient variables may give higher rates of success for pregnancy than others.

Rectal surgery for endometriosis--should we be aggressive?

STUDY OBJECTIVE

To assess the outcome of aggressive but conservative laparoscopic surgery in the treatment of severe endometriosis involving the rectum.

DESIGN

Retrospective study (Canadian Task Force classification III).

SETTING

Endosurgery unit of a tertiary referral center.

PATIENTS

One hundred sixty-nine women.

INTERVENTION

Laparoscopy or laparotomy.

MEASUREMENTS AND MAIN RESULTS

The procedure was completed successfully laparoscopically in 145 (86%) and by laparotomy in 24 women (14%). The rate of preoperative symptoms was higher in 25 women who underwent bowel resection compared with those who had other bowel surgery. In addition to bowel surgery, excision of uterosacral ligaments, adhesiolysis, excision of endometrioma, and oophorectomy were the four most commonly performed procedures. At 35-month follow-up 61 patients (36%) required further surgery for pain. The average time between primary and repeat surgery was 16 months. This second operation was performed by laparoscopy in over three-fourths of the women. Overall recurrent endometriosis was found in 26 patients (15%). Overall morbidity associated with all surgery was 12.4%.

CONCLUSION

Surgery for endometriosis of the cul-de-sac and bowel involves some of the most difficult dissections encountered, but it can be accomplished successfully with the low postoperative morbidity typical of laparoscopy.

Future directions in endometriosis research

Future research in endometriosis must focus on pathogenesis studies in the baboon model, the early interactions between endometrial and peritoneal cells in the pelvic cavity at the time of menstruation, and potential differences between eutopic endometrium and myometrium in women with and without endometriosis. More integration is needed between the areas of epidemiology and genetics. Pelvic inflammation in women with endometriosis could be the target for new diagnostic and therapeutic approaches. Important questions remain regarding the relationship between endometriosis and environmental factors. Systemic and extrapelvic manifestations of endometriosis must be analyzed carefully, and better tools are needed to measure quality of life in women with chronic pain caused by endometriosis. Most current evidence supports a causal relationship between endometriosis and subfertility, and the spontaneous progressive nature of endometriosis has been demonstrated in 30% to 60% of patients. Recurrence of endometriosis after classic medical and surgical therapy is a major and underestimated problem, especially in women with advanced disease. Integrated clinical and research teams are needed that combine expert medical, surgical, and holistic care with state-of-the-art research expertise in immunology, endocrinology, and genetics to discover new diagnostic methods and medical treatments for endometriosis.

[Deep pelvic endometriosis: management and proposal for a "surgical classification"]

Deep pelvic endometriosis presents essentially in the form of a painful syndrome dominated by deep dyspareunia and painful functional symptoms that recur according to the menstrual cycle, with the semiology directly correlated with the location of the lesions (bladder, rectum). It is essential to investigate these deep endometriosis lesions and draw up a precise map, which is the only way to be sure that exeresis will be complete. The treatment of first intention remains surgery, and medical treatment is only palliative in the majority of cases. Success of treatment depends on how radical surgical exeresis is. Based on analysis of the anatomical distribution of deep pelvic endometriosis lesions, a "surgical classification" is proposed with the aim of establishing standard modes for surgical treatment. Further studies are required to clarify the place and modes for pre- and postoperative medical treatment.

Surgical management of endometriosis-associated pain

General surgical guidelines are reasonable, but treatment frequently must be individualized. Laparoscopic coagulation can be used for many cases of superficial endometriosis. Resection seems to be associated with an increased resolution of endometriosis. Resection increases the difficulty of the procedure, the time of the operation, and the cost, however. When endometriosis is found coincidentally, it may need no treatment because many women have endometriosis as a self-limited disease. Distinguishing patients who need no treatment from patients who need intermediate or extensive treatment can be difficult. Care is needed to attempt to ensure that patients are neither overtreated nor undertreated.

Anatomical distribution of deeply infiltrating endometriosis: surgical implications and proposition for a classification

BACKGROUND

Deeply infiltrating endometriosis (DIE) is recognized as a specific entity responsible for pain. The distribution of locations and their contribution to surgical management has not been previously studied.

METHODS

Medical, operative and pathological reports of 241 consecutive patients with histologically proven DIE were analysed. DIE lesions were classified as: (i). bladder, defined as infiltration of the muscularis propria; (ii). uterosacral ligaments (USL), as DIE of the USL alone; (iii). vagina, as DIE of the anterior rectovaginal pouch, the posterior vaginal fornix and the retroperitoneal area in between, and (iv). intestine, as DIE of the muscularis propria.

RESULTS

A total of 241 patients presented 344 DIE lesions: USL (69.2%; 238); vaginal (14.5%; 50); bladder (6.4%; 22); intestinal (9.9%; 34). The proportion of isolated lesions differed significantly according to the DIE location: 83.2% (198) for USL DIE; 56.0% (28) for vaginal DIE; 59.0% (13) for bladder DIE; 29.4% (10) for intestinal DIE (P < 0.0001). The total number of DIE lesions varied significantly according to the location (P < 0.0001). In 39.1% of cases (9/23) intestinal lesions were multifocal. Only 20.6% (seven cases) of intestinal DIE were isolated and unifocal.

CONCLUSIONS

Multifocality must be considered during the pre-operative work-up and surgical treatment of DIE. We propose a surgical classification based on the locations of DIE. Operative laparoscopy is efficient for bladder, USL and vaginal DIE. However, indications for laparotomy still exist, notably for bowel lesions.

Consensus statement for the management of chronic pelvic pain and endometriosis: proceedings of an expert-panel consensus process

OBJECTIVE

To develop recommendations for the medical and surgical care of women who present with chronic pelvic pain (CPP) and are likely to have endometriosis as the underlying cause.

DESIGN

An expert panel comprised of practicing gynecologists from throughout the United States and experts in consensus guideline development was convened. After completion of a structured literature search and creation of draft algorithms by an executive committee, the expert panel of >50 practicing gynecologists met for a 2-day consensus conference during which the clinical recommendations and algorithms were reviewed, refined, and then ratified by unanimous or near-unanimous votes.

PATIENT(S)

Women presenting with CPP who are likely to have endometriosis as the underlying cause.

MAIN OUTCOME MEASURE(S)

None.

CONCLUSION(S)

Chronic pelvic pain frequently occurs secondary to nongynecologic conditions that must be considered in the evaluation of affected women. For women in whom endometriosis is the suspected cause of the pain, laparoscopic confirmation of the diagnosis is unnecessary, and a trial of medical therapy, including second-line therapies such as danazol, GnRH agonists, and progestins, is justified provided that there are no other indications for surgery such as the presence of a suspicious adnexal mass. When surgery is necessary, laparoscopic approaches seem to offer comparable clinical outcomes to those performed via laparotomy, but with reduced morbidity. The balance of evidence supports the use of adjuvant postoperative medical therapy after conservative surgery for CPP. There is some evidence that adjuvant presacral neurectomy adds benefit for midline pain, but currently, there is inadequate evidence to support the use of uterosacral nerve ablation or uterine suspension. Hysterectomy alone has undocumented value in the surgical management of women with endometriosis-associated CPP.

Reproductive performance after ultrasound-guided transvaginal ethanol sclerotherapy for ovarian endometriotic cysts

OBJECTIVE

Ultrasound-guided transvaginal ethanol sclerotherapy (TV-EST) has been widely practised in Japan for ovarian endometriotic cysts. We investigated the possible adverse effects of TV-EST for ovarian endometriotic cysts on reproductive performance.

PATIENTS AND METHODS

We reviewed retrospectively medical records and compared clinical outcomes of 45 subfertile women who underwent TV-EST for ovarian endometriotic cysts (Study group) with those of 65 subfertile women without ovarian endometriotic cysts (Comparison group). Patients were followed up monthly for 24 months. Serum levels of LH, FSH, CA125 and CA19-9 were determined before and after TV-EST.

RESULTS

No complications associated with TV-EST were observed. There were no differences in the numbers of pregnancies (47% (21/45) versus 39% (25/65)), term deliveries (76% (16/21) versus 76% (19/25)), abortions (19% (4/21) versus 24% (6/25)), retrieved oocytes, or quality of embryos between the Study and Comparison groups, respectively. The serum levels of LH and FSH did not increase after TV-EST. The serum levels of CA125 and CA19-9 did not significantly decrease after TV-EST. Ovarian cysts recurred in six (13.3%) of the 45 women 5.2+/-3.9 months after TV-EST.

CONCLUSION

Although only a small number of women were studied, our observational study suggested that TV-EST appeared not to adversely affect reproductive performance in subfertile women with ovarian endometriotic cysts.