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Total laparoscopic hysterectomy versus total abdominal hysterectomy with bilateral salpingo-oophorectomy for endometrial carcinoma: a randomised controlled trial with 5-year follow-up


This report is on recovery and long-term outcomes in a small-scale randomised controlled trial (RCT) after total laparoscopic hysterectomy versus total abdominal hysterectomy in (potential) endometrial carcinoma patients. An RCT was performed among women with atypical endometrial hyperplasia and endometrial carcinoma scheduled for hysterectomy in a teaching hospital in The Netherlands. Women were randomised to total laparoscopic hysterectomy versus total abdominal hysterectomy both with bilateral salpingo-oophorectomy and were followed until 5 years after the intervention. Patients completed the RAND 36-Item Short Form Health Survey (RAND-36), Quality of Recovery-40 (QoR-40) and Recovery Index-10 (RI-10) until 12 weeks after surgery. Main outcome measure was quality of life and recovery in the first 12 weeks after surgery. A linear mixed model was used for statistical analysis while accounting for baseline values where applicable. Seventeen women were included, of whom 11 allocated to the laparoscopic arm and 6 to the abdominal arm. Laparoscopic hysterectomy performed better on all scales and subscales used in the study. A statistically significant treatment effect, favouring laparoscopic hysterectomy, was found in the total RAND-36 (difference between groups 142 units, 95% confidence interval 46; 236). Clinical follow-up was completed after median 60 months, but this study was too small for conclusions regarding the safety and survival. Laparoscopic hysterectomy results in better postoperative quality of life in the first 12 weeks after surgery when compared with abdominal hysterectomy.


Different approaches to hysterectomy have been extensively studied for the benign indications, and randomised controlled trials (RCTs) have been summarized in systematic review and meta-analysis [1]. One of the important results was a significant 2.6-fold increased risk of urinary tract injury. Recovery and quality of life were shown to be better after laparoscopic hysterectomy [2, 3]. In malignant disease, however, clinical outcomes such as complication rates or postoperative recovery may be different from the benign indications. The women are generally older, and the uterus is mostly smaller and less vascularised. And recurrence rate and survival rate are probably the most important long-term outcomes in these women.

At this moment, there are eight RCTs [412] available comparing laparoscopic and abdominal hysterectomy in (potential) endometrial carcinoma patients. Four RCTs [47] have been summarized in a systematic review in 2008 [13] and four further RCTs are available since then [812].

Quality of life was an outcome measure in four studies on 1,526 women [5, 911]. The laparoscopic approach was favourable in all studies, although this difference proved to be not clinically relevant in one study [9]. Better quality-of-life scores were found up till 3 months in one study [10] and up till 6 months after surgery in two further studies [5, 11].

Only two study groups on previous RCTs have already analysed the recurrence and survival rates by treatment group with 3 [4] and 6 years [12] median follow-up. These studies showed similar rates after laparoscopic and abdominal hysterectomy among 206 women. Data on recurrence and survival from the three large RCTs that have recently closed the inclusion on another 1,442 women are awaited with interest [911]. Future systematic review and meta-analysis of RCTs will provide a reliable answer to the question whether laparoscopic hysterectomy is a safe approach in women with endometrial cancer.

In the present paper, the results of a small RCT comparing total laparoscopic hysterectomy and total abdominal hysterectomy in women with atypical endometrial hyperplasia and endometrial carcinoma are presented. Postoperative quality of life as measured by the RAND-36 health survey and long-term clinical outcomes, including recurrence rates until 5 years after the intervention, have been assessed.



This study was performed in the Maxima Medical Centre, a large teaching hospital in the south of The Netherlands, from August 2002 through January 2005. The gynaecologic department is experienced in minimal invasive surgery, with 10 years experience in laparoscopic hysterectomy before the start of the study.

Patients were eligible for the study in case there was no suspicion of endometrial carcinoma beyond FIGO stage 1, and the size of the uterus did not exceed 18 weeks of gestation. Chest X-ray was performed in all women, but no routine hysteroscopy was performed for preoperative staging. Exclusion criteria were a previous lower abdominal midline incision, the need for simultaneous interventions and inability to speak Dutch. Approval for the study was obtained from the ethics committee of the Maxima Medical Centre on July 25, 2002 under number 0217. There is no overlap of the population with other published Dutch studies [3, 10]. Written informed consent was required for participation. The study was performed in line with the CONSORT statement.

Peritoneal fluid or cytological washing from the abdominal cavity was sent for pathology, but no standard peritoneal biopsies or lymphadenectomy was carried out in either group. No frozen sections were planned or performed. The laparoscopic procedures were total laparoscopic hysterectomies (TLH), where the operation of the vaginal part was restricted to the removal of the laparoscopically freed uterus, and the vaginal vault was sutured laparoscopically [2]. In laparoscopic hysterectomy, the uterus was manipulated by the Karl Storz Clermont-Ferrand manipulator (Karl Storz, Tuttlingen, Germany) after cauterization of the fallopian tubes to avoid spillage of cancer cells. In abdominal hysterectomy, the uterus was manipulated with the use of two Heaney clamps placed over the fallopian tube–ovarian ligament complex on both sides. There was an equal dissection of pelvic tissues in the laparoscopic as compared with the open technique.

The primary outcome of this study was quality of life. Three questionnaires have been used in the study: the RAND-36 health survey (RAND-36), Quality of Recovery-40 (QoR-40) and Recovery Index-10 (RI-10). The three questionnaires have previously been validated for the Dutch language [14, 15]. The RAND-36 is a generic health-related quality-of-life questionnaire. The questionnaire measures subjective health in eight scales, which range from 0 to 100. Thus, the total score ranges from 0 to 800, where 0 is the poorest quality of life and 800 the best imaginable. Summated ratings and standardized scoring algorithms were used to assess the eight scales [14]. The QoR-40 and RI-10 are postoperative recovery-specific questionnaires [15]. The QoR-40 consists of 40 items in five subscales: emotional state, physical comfort, psychological support, physical independence and pain. Each item was answered on a five-point Likert scale, ranging from none of the time to all the time. The QoR-40 score was defined as the sum of the scores of all items. The QoR-40 score ranged from 40 to 200, in which 200 indicates a perfect recovery. The items referred to the past 24 h and aimed at patients during hospital stay, but could be filled out at home as well. The RI-10 is a ten-item questionnaire measuring postoperative recovery on five-point Likert scales ranging from full disagreement to full agreement. The instrument has no separate subscales, and the score ranges from 10 to 50, where 50 indicates a perfect recovery. The items referred to the past week. Since most of the items in the RI-10 referred to the postoperative situation, no baseline measurement was available. The items suited best for recently discharged patients, but could be filled out in hospital as well.

Patients filled out the questionnaires without assistance of the researcher and returned the questionnaires by mail. The baseline measurement was completed after randomisation. Measurement moments were as proposed for surgical studies in the previous validation study [15].

The surgical outcome (peri and postoperative clinical outcome) and oncological outcome (recurrence and survival rates) were secondary outcome measures of the study. FIGO nomenclature (Rio de Janeiro 1988) was used to describe surgical cancer stages. The decision for postoperative external beam pelvic radiotherapy was made as based on the PORTEC trial [16]. Data were collected by completion of a standardized case record form. At the end of follow-up in the present study (June 2008), all patients were interviewed on any adverse outcomes or events from the condition or surgery. In case no written reply was received, telephone calls were made to complete these data.

Sample size and randomisation

The study has been performed parallel to a larger study on laparoscopic versus abdominal hysterectomy in benign conditions [2]. For that study, the sample size was calculated for the quality of life as measured by the questionnaire RAND-36. A difference of 15 per scale was considered as clinically relevant. With a standard deviation of 20, a type I error of 0.05, and 80% power, 28 patients were needed per arm.

After obtaining written informed consent, randomisation took place by opening numbered, sealed opaque envelopes. For concealment, an independent person had randomly assigned an equal number of 38 papers with either intervention to the envelopes. The closed envelopes were shuffled before numbering, and were used for both patients with benign and malignant disease. The patients and medical team were not blinded to the intervention.

Statistical methods

The data are presented on intention-to-treat basis. The medians with the range are presented in case of continuous data and absolute numbers with percentages in case of dichotomous variables. Differences in medical outcome between the two treatment groups were tested for statistical significance using the Mann–Whitney U test in case of continuous data, and the Fisher's exact test in case of two by two tables. A linear mixed model was used to study the differences in scores on the questionnaires between the laparoscopic and abdominal group over time while accounting for the baseline values for each of the scales and subscales separately [17]. The dependent variable was the (sub)scale of RAND-36, QoR-40 or RI-10. The independent class variables were patient and treatment (laparoscopic and abdominal hysterectomy, respectively) and time since surgery, and the independent regression variables was the baseline level. Both the intercept and the regression in time of each patient were treated as random variables in the model. This way differences between treatments are estimated given the baseline value, while differences in recovery among patients are allowed. Initially, interaction terms and quadratic terms in time were included in the linear part of the model; but as the inclusion did not significantly (likelihood-ratio test) improve the fit to the data, these terms were not included in the final model used [17]. Note that excluding the interaction term of group with time, results in a parallel line model, (i.e. the differences between groups are identical at each point of measurement). The estimated regression parameters with standard errors of each score are used to calculate the average level per week of the patients in each group. These levels with confidence bands are further presented in figures.

The quality-of-life data were analysed by SAS 8.2 software (SAS Institute, Inc., Chicago, IL, USA), all other data in SPSS 16.0 software (SPSS, Inc., Chicago, IL, USA), with p values <0.05 considered statistically significant.


Seventeen women were randomised, of whom 11 were allocated to the laparoscopic arm and 6 were allocated to the abdominal arm. Patient characteristics and surgical indications are shown in Table 1. A flowchart of the study is presented in Fig. 1. Overall median clinical follow-up after the operation was 60 months (range 18–81 months) until the last gynaecological examination. The interviews on any adverse outcomes were minimum 45 months after surgery (median 65 months, range 45–81 months). No women were lost to follow-up.

Table 1 Patient characteristics and surgical indications by treatment group
Fig. 1

Flowchart of the study

The surgical and oncological outcome

Data on the procedures including histological findings are presented in Table 2. There was one intra-operative conversion from laparoscopy to laparotomy, which was related to difficult access due to adiposity and 300 mL blood loss during laparoscopy. Her recovery and follow-up were uneventful. All other laparoscopic hysterectomies were performed as TLH. There was no macroscopically visible or palpable tumour extra-uterine tumour in either group. All final histologies showed endometroid type adenocarcinoma, except in a woman with FIGO stage 3a grade 2 in the laparoscopic hysterectomy group, who had a mixed-cell type tumour (endometroid and serous adenocarcinoma).

Table 2 Data on surgical procedures and oncological outcome by treatment group

Complications by treatment group are presented in Table 3. In one patient, randomised to abdominal hysterectomy, final histology demonstrated that the cervix had not been removed completely in a woman with atypical endometrial hyperplasia. It has been decided not to perform a reoperation. Her follow-up has been uneventful, besides a tension-free vaginal tape (TVT)] procedure, which has been performed due to deterioration of stress urinary incontinence 2 years postoperatively. Other complications in the abdominal hysterectomy group were: 1,450 mL blood loss during surgery, one woman with temporary atrial flutter, one woman with temporary low oxygenation, a urinary tract infection and fever of unknown origin in the immediate postoperative period. One woman developed radiation colitis after radiotherapy.

Table 3 Complications by treatment group

In the laparoscopic hysterectomy group, two women died because of a recurrent endometrial carcinoma. Of these two women, one was a 57-year-old woman with Figo stage 1c grade 2 disease, and no postoperative radiotherapy had a locoregional recurrence 12 months after surgery and died 2 months later. A stent was inserted for bowel obstruction, but the extensiveness of the metastases and her general condition did not allow for any adjuvant therapy. The other was a 64-year-old woman with the mixed cell-type tumour stage 3a grade 2 underwent pelvic radiotherapy and had a recurrence 11 months after surgery. Her general condition did not allow for adjuvant chemotherapy, and she died 18 months after surgery. Other complications in the laparoscopic hysterectomy group were a urinary tract infection, deterioration of pre-operative micturition problems with long-term catheterization, back pain for which a neurologist was consulted but found no abnormalities. One woman developed radiation colitis after radiotherapy. No other complications (such as blood transfusions, visceral damage or port-site metastasis) occurred in either group.

Quality of life and recovery

Overall, only four questionnaires were missing, and thus, the return rate of the questionnaires was 97%. Table 4 and Fig. 2a, b and c show the differences in total scores on the three questionnaires between laparoscopic and abdominal hysterectomy. No scale or subscale was in favour of abdominal hysterectomy. The difference between groups in the RAND-36 total score was 142 units (95% confidence interval (CI) 46; 236) in favour of laparoscopic hysterectomy. Furthermore, in three RAND-36 subscales relating to physical well-being, statistically significant treatment effects in favour of laparoscopic hysterectomy were found (data not shown). One QoR-40 subscale and the total RI-10 showed borderline significant differences. Note that the difference between the treatment groups are presented after correction for differences in baseline values between the groups. The estimated increase per 10 units higher level in the total RAND-36 score at baseline between two patients was 7 (95%CI 4; 11) units. This was independent of both timepoint and treatment group. Furthermore, the estimated increase in the total RAND-36 score at 12 weeks after surgery compared with 1 week after surgery was 122 (95% CI 67; 178) units in both groups.

Table 4 Estimated increase in questionnaire score level (95%confidence interval) by treatment group, by unit increase in baseline score and point of measurement using a linear mixed model
Fig. 2

a, b and c. The mean levels of the questionnaire scores after surgery by treatment group. The symbols indicate the observed mean and the vertical bars indicate ±one standard deviation. The thick lines indicate the estimated mean profiles and the thin, short dashed lines indicate the appropriate 95% confidence bands using a linear mixed model that accounts for the baseline value. Women in the laparoscopic hysterectomy group: dot, solid line. Women in the abdominal hysterectomy group: star, thick dashed line. RAND-36 RAND 36-Item Short Form Health Survey, QoR-40 Quality of Recovery-40, RI-10 Recovery Index-10. Note that the data fit very well to the parallel-line model


In this RCT, the difference in recovery was assessed between total laparoscopic hysterectomy and total abdominal hysterectomy, both with bilateral salpingo-oophorectomy, in patients scheduled for hysterectomy for reason of atypical endometrial hyperplasia or endometrial carcinoma. After baseline correction, we report a statistically significant difference in postoperative quality of life as measured by RAND-36, favouring laparoscopic hysterectomy. This difference between the treatment groups was present all along the recovery period until 12 weeks after surgery. All subscales of RAND-36 and QoR-40, as well as the RI-10, showed a favourable outcome after laparoscopic hysterectomy compared with abdominal hysterectomy. This is in agreement with other studies on quality of life after surgery in (potential) endometrial carcinoma patients [5, 911] and our previous findings in a larger benign population [2]. We found that the laparoscopic procedure took longer to perform, but with regard to other surgical and oncological outcomes, the present study is limited by its small sample size. These data may however be useful in future meta-analysis on the topic.

Lymphadenectomy has not been performed in this study amongst women with clinical stage I disease with expected low-grade endometrial carcinoma based on endometrial biopsy. Recently, two RCTs have failed to demonstrate any advantage over routine lymphadenectomy in endometrial carcinoma patients [18]. Nonetheless, routine lymphadenectomy in endometrial carcinoma is still under debate [19]. It is common practice throughout the Netherlands to perform hysterectomy and bilateral salpingo-oophorectomy in these women and advice postoperative radiotherapy as based on the PORTEC studies [16, 20]. Thus, the results from our trial are limited to the population undergoing this type of treatment. Furthermore, note that PORTEC-2 data were not yet available at the time of the study [21], and no vaginal brachytherapy has been applied in the study.

In hysterectomies performed for potential malignant indications, recurrence and survival rates are of utmost importance. Although, there are no indications that laparoscopy is less safe [5, 12], this has not definitively been proven until now. In the present study, two women in the laparoscopic arm had a recurrence and died due to their malignancy. One woman had a bad prognosis due to a high-stage mixed cell tumour. In line with the PORTEC study, the other woman had not received postoperative radiotherapy to minimize her risk of locoregional recurrence. With a FIGO stage 1c grade 2 and aged 57 years, she was, however, rather close to the range of less favourable prognostic factors with indication for radiotherapy.

Not only the route of hysterectomy, e.g. abdominal or laparoscopic hysterectomy, may influence recurrence rates and all other potential factors should thus be reported in according studies. In the present study, for example, an intra-uterine manipulator has been used. The impact on outcomes as compared with, e.g. vaginal manipulation with a tube only is not known until now. In two previous studies on peritoneal washings before and after manipulation with an intra-uterine device, spread of malignant cells could be demonstrated in 2 out of 82 women with negative peritoneal washings prior to manipulation [22, 23]. Only one of these two women has sufficiently long follow-up (28 months) to report that no recurrence of malignancy has occurred [23]. Another histological phenomenon, “vascular pseudo invasion” of tumour into the blood vessels, has been described after manipulation with an intra-uterine balloon causing high intra-uterine pressures. Since this may have consequences for the staging and further therapy, this phenomenon may be regarded as undesirable and awareness among pathologists is needed [24].

The finding that quality of life was better after laparoscopic hysterectomy goes hand in hand with a different spectrum of complications as compared with other types of hysterectomy. A meta-analysis on benign indications reported a significant 2.6-fold increased risk of urinary tract injury [1]. Whether this also applies to endometrial carcinoma patients has not yet been unravelled, and cannot be concluded from the present study. The incidence of major complications in laparoscopic hysterectomy may, however, be highly reduced with experience of the surgeon. In Finland, the incidence of urinary tract injury in laparoscopic hysterectomy decreased from 1.4% to 0.7% in recent years [25]. Ureteral damage now happens in only 0.3% of cases, which seems comparable to abdominal hysterectomy. Dependent on patient preference, the potential risks should be weighed against the improved quality of life after surgery in individual cases.

The conclusion from this small RCT was that laparoscopic hysterectomy was associated with better quality of life in the recovery period as compared to abdominal hysterectomy in women with atypical endometrial hyperplasia and endometrial carcinoma.


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We thank J.M. (Hanny) Pijnenborg, MD, PhD for her careful review of the gynaecologic oncology aspects of the paper.

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The authors report no conflicts of interest.

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Correspondence to Kirsten B. Kluivers.

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Kluivers, K.B., Ten Cate, F.A., Bongers, M.Y. et al. Total laparoscopic hysterectomy versus total abdominal hysterectomy with bilateral salpingo-oophorectomy for endometrial carcinoma: a randomised controlled trial with 5-year follow-up. Gynecol Surg 8, 427–434 (2011).

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  • Abdominal hysterectomy
  • Endometrial carcinoma
  • Laparoscopic hysterectomy
  • Randomised
  • Recovery
  • Quality of life