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Biomedical subjects

Bernard Blanc

Publications and source records attributed to Bernard Blanc.

At least 19 recordsLinked to original sources

Prospective evaluation of the Hybrid Capture 2 and AMPLICOR human papillomavirus (HPV) tests for detection of 13 high-risk HPV genotypes in atypical squamous cells of uncertain significance.

The use of high-risk human papillomavirus (hrHPV) testing as an adjunct to cervical cytology in population-based screening programs is currently based on DNA hybridization and PCR assays. The aim of this study was to prospectively assess the diagnostic performance of the Hybrid Capture 2 test (HC2; Digene Corporation) in comparison with that of the recently developed PCR-based AMPLICOR HPV test (Roche Molecular Systems) for the detection of 13 hrHPV types. A reverse line blot hybridization assay (Innogenetics) was used as an internal reference standard in discordant cases. Two hundred seventy-one patients with atypical squamous cells of uncertain significance (ASCUS) in cervical samples underwent hrHPV testing. The chi-square test was performed to compare respective proportions. Totals of 160/271 (59%) and 156/271 (58%) were found to be positive for hrHPV with HC2 and AMPLICOR, respectively. Concordant results were obtained for 235 (86.7%) of the 271 samples (kappa statistic, 0.73 +/- 0.04). Considering types 26, 53, and 66 as oncogenic types, negative predictive values (NPVs) of HC2 and AMPLICOR were 92.8% and 87.8%, respectively (difference was not significant), and their respective accuracies were 94.8% and 91.9% (difference was not significant). Considering types 26, 53, and 66 as not oncogenic, the respective HC2 and AMPLICOR NPVs were 92.8% and 97.4% (difference was not significant), and accuracy was significantly higher for the AMPLICOR assay (95.9% versus 90.8% for HC2) (P<0.05). For ASCUS samples, the NPV was 92.8% for HC2 testing and might be compromised if the copy number of HPV DNA was low. The NPV was 97.4% for the AMPLICOR assay and might be compromised if HPV types 26, 53, and 66 were considered oncogenic. The accuracy of these two assays is good and is compatible with routine clinical use in the triage of ASCUS cases.

Carcinoma, Squamous Cell↗

In situ methotrexate injection for treatment of recurrent endometriotic cysts.

OBJECTIVE: Ovarian endometrioma recurrence is frequent. Conventional treatment of ovarian endometrioma is by surgical cystectomy. We proposed an alternative medical treatment for recurrent ovarian endometrioma: cyst aspiration followed by in situ methotrexate injection. STUDY DESIGN: From January 2002 to May 2003, 14 patients with recurrent homolateral ovarian endometrioma underwent transvaginal ultrasound guided cyst puncture and aspiration followed by methotrexate injection, whilst under general anasthesia. Recurrence rate during follow up was evaluated. RESULTS: No complication was reported. After a mean follow up of 20+/-5 month (min: 13, max: 29), four recurrences were diagnosed (28.6%). Two asymptomatic recurrences were not treated and two painful recurrences underwent a second cyst drainage with methotrexate injection. CONCLUSIONS: In situ methotrexate injection is a simple, effective and an interesting alternative to surgical treatment in women with recurrent homolateral ovarian endometrioma.

Adult↗

Value of laparoscopic assistance for vaginal hysterectomy with prophylactic bilateral oophorectomy.

OBJECTIVE: This study was undertaken to compare morbidity for women undergoing laparoscopy-assisted vaginal hysterectomy with bilateral oophorectomy (LAVHO) and vaginal hysterectomy with bilateral oophorectomy without laparoscopic assistance (VHO). STUDY DESIGN: Between April 1, 2002, and February 1, 2004, a prospective randomized study at Marseille University Hospital (La Conception) included 48 patients who underwent a hysterectomy with prophylactic bilateral oophorectomy for benign uterine conditions. These patients were allocated to 2 groups (LAVHO vs VHO). The study variables were duration of surgery and of hospitalization and surgical and postoperative complications. RESULTS: There was no significant difference in the duration of surgery between the LAVHO and VHO groups (100.2 +/- 27.9 vs 83.9 +/- 34.6, P = .08). The rate of complications was significantly higher in the LAVHO group (13/24 [54.1%] vs 6/24 [25%], P = .039). CONCLUSION: The overall complication rate was higher with LAVHO than VHO. It thus appears that laparoscopic assistance is not useful in performing vaginal hysterectomies with prophylactic bilateral oophorectomies in patients without other related disorders (endometriosis, adhesions, adnexal anomalies).

Blood Loss, Surgical↗

[Impact of surgical access on staging of early borderline and invasive tumors of the ovary].

The objectives were to evaluate the impact of the surgical approach on the staging of borderline tumors and early-stage malignancies of the ovary. We retrospectively reviewed cases of borderline and invasive ovarian tumors stages Ia through Ic treated surgically between January 1, 1985 and December 31, 2001. We compared the rates of potentially harmful procedures according to the surgical approach. The quality of surgical staging was assessed by examining each required procedure and by determining a score. The influence of variables related to patient characteristics, preoperative workup, and initial surgery on staging quality was tested by univariate analysis. Variables independently associated with staging quality were entered in a logistic regression model. SPPS 7.5 and STATA 8 software was used for statistical tests. Of 118 patients with borderline tumors, 48 (41 %) underwent laparoscopic surgery, 54 (45 %) laparotomy, and 16 (14 %) laparoscopy converted to laparotomy. Surgery was conservative in 57 % of cases overall ; this proportion was significantly greater with laparoscopy than with laparotomy (p < 0.05) and in younger women (p < 0.001). Intraoperative tumor rupture occurred in 9 % of patients, with no significant difference across surgical approaches (p = 0.1). Bag extraction was used in 19 (40 %) of 48 laparoscopically treated patients. Staging was incomplete in 73 % of patients. By univariate analysis, bilateral adnexectomy and, to a lesser extent, age > 44 years, laparotomy, hysterectomy, and treatment after 1995 predicted at least partial staging. Factors independently associated with at least partial staging in the multivariate model were treatment after 1995, bilateral adnexectomy, and hysterectomy. Of 178 patients with invasive tumors, 34 underwent laparoscopic surgery, 114 laparotomy, and 30 conversion from laparoscopy to laparotomy. The laparotomy group was characterized by significantly older patient age and larger tumors, compared to the laparoscopy group. Staging was often inadequate after initial surgery, most notably with low rates of paraaortic lymphadenectomy (0 % in the laparoscopy group, 18 % in the laparotomy group, and 33 % in the conversion group). Staging is often less complete with laparoscopy than with laparotomy. In patients with invasive cancer, inadequate initial staging is common, most notably when laparoscopy is used. The surgeons training seems of major importance.

Adult↗

Immediate complications of tension-free vaginal tape (TVT): results of a French survey.

BACKGROUND: The aim was to evaluate morbidity following operation using tension-free vaginal tape (TVT). METHODS: Between June 2002 and June 2003, a questionnaire was sent to French gynecologists and urologists. Participants reported the number of TVT procedures performed before January 2002, number of minor or major pre- and post-operative complications. RESULTS: The questionnaire was returned by 92 participants (21 urologists and 71 gynecologists) who reported 12,280 TVT procedures (median: 100, minimum: 5, maximum: 2100). Overall, 901 preoperative bladder injuries were reported (7.34%). For 809 patients (6.59%), complete post-operative urinary retention requiring catheterization was noted. There were 26 cases of vaginal defect healing (0.21%). Retropubic or vulvovaginal hematoma was reported for 39 patients (0.32%). Ten major organ injuries were reported (0.08%): one obturator nerve injury, three bowel perforations, four vessel injuries and two ureteral injuries. CONCLUSION: The risk of major complications following the use of tension-free vaginal tape is low. However, these potential complications require experienced surgeons for the practice of tension-free vaginal tape.

Female↗

Oxytocin during myomectomy: a randomized study.

OBJECTIVE: To evaluate the influence of oxytocin on peroperative blood loss during myomectomy. STUDY DESIGN: From October 1998 to May 2002, 94 patients requiring surgical myomectomy by laparotomy or by the vaginal approach were enrolled in a randomized double blind study. Patients were randomized to two groups. In the first group (47 patients) oxytocin was administered during myomectomy and in the second group (47 patients) a placebo was used. The main outcome measures were peroperative blood loss and rates of blood transfusion and autotransfusion. RESULTS: Peroperative blood loss was no different between the oxytocin group and the placebo group (508 +/- 558 ml versus 451 +/- 336 ml; P=0.55). Rates of autotransfusion and blood transfusion were also similar in both groups. CONCLUSION: Administration of oxytocin during myomectomy did not reduce peroperative blood loss in our study. The benefits of using oxytocin to prevent hemorrhage during myomectomy seem to be limited.

Adult↗

Impact of surgical approach on the management of macroscopic early ovarian borderline tumors.

OBJECTIVE: The aim of this study was to evaluate the impact of the surgical approach on the management and outcomes of patients with early borderline ovarian tumors (BOTs). MATERIAL AND METHODS: We retrospectively reviewed the medical charts of patients with stage Ia to Ic BOT treated surgically between January 1, 1985, and December 31, 2001. We compared patients initially managed by laparoscopy vs. laparotomy in terms of potentially harmful procedures and quality of staging. RESULTS: Of the 118 included patients, 48 (41%) had laparoscopy for initial surgery, 54 (45%) had laparotomy, and 16 (14%) had conversion from laparoscopy to laparotomy. Conservative treatment (57% of patients) was more common with laparoscopy (vs. laparotomy, P < 0.05) and in women older than 44 years (vs. younger than 44 years, P < 0.001). Intraoperative tumor rupture occurred in 9% of patients and was not associated with the surgical approach (P = 0.1). Bag extraction was used in 19 (40%) of the 48 laparoscopy patients. Staging was incomplete in 73% of patients overall. By univariate analysis, better quality of staging was associated with bilateral adnexectomy, age >44 years, laparotomy, hysterectomy, and treatment after 1995. By multivariate analysis, bilateral adnexectomy or hysterectomy was associated with better staging. Mean follow-up was 40 months, during which recurrence and survival rates were similar in the laparoscopy and laparotomy groups. CONCLUSION: Staging of macroscopic early stage BOTs was better in patients requiring radical surgery. After adjustment on disease severity, type of surgical access was not related to staging quality.

Adult↗

Transvaginal sonographic evaluation of cervix length after cervical conization.

OBJECTIVE: The purpose of this study was to evaluate transvaginal sonographic cervical length before and after cervical conization for squamous intraepithelial lesions. METHODS: Between November 2002 and October 2004, all women undergoing conization by either cold-knife conization or a loop electrosurgical excision procedure for squamous intraepithelial lesions were prospectively enrolled in this study. Cervical length was measured by transvaginal sonography (TVS) before and after conization. RESULTS: A total of 48 women were studied before and after a mean of 7 days after conization. Complete excision was achieved in 41 patients, and endocervical margins were involved in 7 patients. Mean TVS cervical length was significantly shorter after than before conization (mean +/- SD, 22.7 +/- 6.9 versus 26.7 +/- 8.1 mm; P < .001). The correlation coefficient between cone specimen length and postoperative length was r = 0.75 (P < .001). Mean TVS cervical lengths were 24.3 +/- 6.7 mm in the group of women who underwent a loop electrosurgical excision procedure and 20.7 +/- 9.4 mm in the group of women who underwent cold-knife conization (P = .13). CONCLUSIONS: Transvaginal sonographic measurement of cervical length after conization is well correlated with cone specimen length.

Adult↗

[Surgical treatment of female stress urinary incontinence].

Stress urinary incontinence is frequent in women, and can have a major impact on quality of life. Surgical treatment is the most effective option in many cases. The current reference treatment is urethral stabilization with the use of a free pelvic sling. Surgical management of female stress urinary incontinence is now effective and relatively complication-free.

Female↗

Risk of bladder injury during vaginal hysterectomy in women with a previous cesarean section.

OBJECTIVE: To determine the risk of bladder injury during vaginal hysterectomy in women with a previous cesarean section. STUDY DESIGN: Analysis of selected studies found through a MEDLINE search from 1980 to 2003. RESULTS: Four comparative studies (women with or without a previous cesarean section) were selected and analyzed. Risk of bladder injury was significantly increased in only 1 study. Analysis of cumulative data did not find a significant difference (8 of 430 [1.86%] vs. 11 of 1,227 [0.89%], p = 0.12). CONCLUSION: The risk of bladder injury during vaginal hysterectomy does not seem to be increased in women with a previous cesarean section.

Adult↗

Vaginal myomectomy using posterior colpotomy: feasibility in normal practice.

BACKGROUND: Myomectomy is classically performed via laparotomy. Endoscopic surgery is limited for some indications. Vaginal myomectomy is a surgical procedure that has recently been evaluated. The aim of this study was to evaluate the feasibility, reproducibility and complication rate of vaginal myomectomy via posterior colpotomy. METHODS: A retrospective study was performed from November 1998 to February 2001 in three departments of gynaecology. RESULTS: Forty-five patients were involved, 17 (37.8%) of whom underwent laparoscopy before vaginal myomectomy for evaluation or treatment of a second pelvic disorder. Myomectomy was performed vaginally in 40 (89%) of the 45 patients. Peroperative laparotomy was required in five patients (11%), either because vaginal myomectomy proved impossible (four cases) or because of rectal injury (one case). One patient needed supplementary laparotomy on day 8 for the treatment of a pelvic abscess. CONCLUSION: Posterior vaginal myomectomy seems to be a feasible and reproducible surgical procedure. The success rate of vaginal myomectomy in this study was over 80%. Further randomised studies are needed to compare this procedure with laparotomy and laparoscopy.

Adult↗

Risk of vasovagal syndrome during outpatient hysteroscopy.

STUDY OBJECTIVE: To evaluate influence of hysteroscope type and media used during outpatient hysteroscopy on vasovagal syndrome risk. STUDY DESIGN: Prospective observational study (Canadian Task Force classification II-1). SETTING: University hospital. PATIENTS: Two thousand seventy-nine women undergoing outpatient hysteroscopy without analgesia. INTERVENTION: Office hysteroscopy with a flexible or rigid hysteroscope and normal saline or CO(2). MEASUREMENTS AND MAIN RESULTS: Fifteen cases of vasovagal syndrome were reported. The rate of vasovagal syndrome was higher with use of a rigid hysteroscope (12/647 [1.85%]) vs. a flexible hysteroscope (3/1432 [0.21%]), p =.00013; p =.009 after adjustment for medium used; and with the use of CO2 (10/426 [2.34%]) vs. saline solution (5/1653 [0.30%]), p <.0001; p =.014 after adjustment for hysteroscope type. CONCLUSION: Risk of vasovagal syndrome is higher with the use of a rigid hysteroscope and CO2, regardless of the indication for hysteroscopy or the parity and menopausal status of the patient.

Adult↗

Uterine endometrial thermal balloon therapy for the treatment of menorrhagia: long-term multicentre follow-up study.

BACKGROUND: Initial reports from observational and randomized trials of uterine endometrial thermal balloon therapy (UBT) suggested good results as judged by return to eumenorrhoea or less and patient satisfaction. Long-term follow-up data remained limited by the small numbers of patients and duration of follow-up. We present long-term (4-6 years) follow-up data from a cohort of women previously treated with UBT for menorrhagia. METHODS: Of the 260 questionnaires sent to women eligible for long-term follow-up from 10 centres, 188 (72%) replies were received. The primary outcome measure was avoidance of hysterectomy. RESULTS: In women who responded to the questionnaire, 25 had undergone hysterectomy and 21 had had repeat ablation. At 4-6 years after UBT, the probability of avoiding hysterectomy was 86% of all women, and of avoiding re-ablation was 88% of non-hysterectomized women. Overall, the probability of avoiding any surgery was 75%. Women with an axial or retroverted uterus were at greater risk of hysterectomy or re-ablation. Among the participants, 47% of the non-hysterectomized women were amenorrhoeic, 30% were hypomenorrhoeic, 13.6% were eumenorrhoeic and 8.5% had heavy periods. CONCLUSIONS: This is the first long-term follow-up report of a second-generation endometrial ablation procedure and confirms our initial experience. The high rate of hysterectomy avoidance over 5 years or more is very encouraging for this technology.

Adult↗

Leiomyoma remaining after vaginal hysterectomy for symptomatic leiomyomas. A case report.

BACKGROUND: A remaining leiomyoma, an uncommon postoperative complication of vaginal hysterectomy for symptomatic leiomyomas, occurred. CASE: A second vaginal operation for a remaining leiomyoma was necessary 1 month after a vaginal hysterectomy for a myomatous uterus. CONCLUSION: Checking the pelvic cavity during hysterectomy may avoid this complication.

Female↗