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Biomedical subjects

W Schwenk

Publications and source records attributed to W Schwenk.

At least 19 recordsLinked to original sources
PubMed2006

Systematic evaluation of different approaches for minimizing hemodynamic changes during pneumoperitoneum.

BACKGROUND: Capnoperitoneum (CP) compromises hemodynamic function during laparoscopy. Three therapeutic concepts were evaluated with an aim to minimize the hemodynamic reaction to CP: First, a controlled increase of intrathoracic blood volume (ITBV) by intravenous fluids; second, partially reduced sympathetic activity by the beta1-blocker esmolol; and third, a decrease in mean arterial pressure (MAP) by the vasodilator sodium nitroprusside. METHODS: For this study, 43 pigs were assigned to treatment with fluid and sodium nitroprusside (group A) or with esmolol (group B). In both groups, the pigs were assigned to head-up, head-down, or supine position, resulting in three different subgroups. Invasive hemodynamic monitoring was established including left heart catheter and cardiac oxygen lung water determination (COLD) measurements. Measurements were documented before CP with the animals in supine position, after induction of a 14-mmHg CP with the animals in each body position, after a 10% reduction in MAP by vasodilation, and after an increase in ITBV of about 30% by infusion of 6% hydroxyethylstarch solution. RESULTS: Increasing ITBV improved hemodynamic function in all body positions during CP. Esmolol reduced cardiac output and myocardial contractility. Sodium nitroprusside did not improve hemodynamic function in any body position. CONCLUSIONS: Optimizing volume load is effective for minimizing hemodynamic changes during CP in the head-up and in head-down positions. In general, beta(1)-blockers cannot be recommended because they might additionally compromise myocardial contractility and suppress compensatory reaction of the sympathetic nerve system. Vasodilation has not improved hemodynamic parameters during CP.

Adrenergic beta-Antagonists↗
PubMed2006

[The role of anesthesiology in fast track concepts in colonic surgery].

In the present study the "fast-track rehabilitation" protocol of the Charité university hospital for patients undergoing elective colonic resection is described. The underlying principles, clinical pathways and outcome data from 208 patients are shown. Particularly anesthesiological aspects of this multimodal approach, such as modified preoperative and postoperative fluid management, changed guidelines for preoperative fasting, effective analgetic therapy using epidural analgesia and avoiding high systemic doses of opioids, use of short-acting anesthetic agents, and maintenance of normothermia as well as normovolemia are presented and discussed. In comparison to outcome data before "fast-track rehabilitation" was established, the duration of postoperative hospital stay has been reduced from 12 to 5 days, the number of general complications (pneumonia, duodenal ulcer bleeding, urinary tract infection, cerebral, cardiac and renal dysfunction) decreased from 20% to 7%, whereas surgical complications remained constant at 17% (8% wound infections, 3% anastomotic insufficiency).

Analgesia, Epidural↗
PubMed2006

[The influence of intraoperative fluid therapy on the postoperative outcome in "fast track" colon surgery].

OBJECTIVE: To evaluate the association between the intraoperative and postoperative application of different quantities of fluids and the incidence of postoperative complications after "fast-track"-colonic surgery. METHODS: We performed a retrospective analysis of 136 patients undergoing elective "fast-track" colonic surgery (sigma resection and right hemicolectomy). Data collection in regard of fluid administration during surgery and in the post anaesthesia care unit (PACU) was based on anaesthesia charts and a prospectively generated surgery database. Classification into three volume groups (up to 3500 ml = group 1, 3500 - 5500 ml = group 2, more than 5500 ml = group 3). Basic patient characteristics, pre-existing conditions, type and duration of surgery and anastomoses were documented. We analysed the incidence of postoperative complications such as wound infections, anastomotic leak, bleeding, bowel obstruction, cardiovascular failure, hypertension, pulmonary failure, pneumonia, renal failure, urinary tract infection, neurological and psychiatric complications in the different volume groups. RESULTS: 115 patients were infused with up to 3500 mLs of fluids, 19 patients received more than 3500 mLs, two patients were infused with 6000 ml and 7500 mLs, respectively. This was in median 36 ml/kg in the restrictive and 53 ml/kg in the higher volume groups (group 2 and 3 together), respectively. The duration of surgery and anaesthesia was significantly different between both fluid groups (p = 0,023). In a logistic regression model only intraoperative blood loss was independently associated with the volume of infused fluid (OR 0,393, 95 % CI 1.028 - 2.306, p < 0.01). The rate of postoperative complications was not different between groups (p = 0,228). CONCLUSION: The incidence of postoperative complications was not different between patients who were infused 36 ml/kg or 53 ml/kg of fluids during surgery and post anaesthesia care unit stay.

Aged↗
PubMed2006

[Value of laparoscopic surgery in elective colorectal surgery with "fast-track"-rehabilitation].

INTRODUCTION: Laparoscopic (LAP) versus open (CON) colonic resection with traditional perioperative care has some short term benefits postoperatively regarding functional recovery. Whether these benefits may also occur when all patients are treated with multimodal "fast-track"-rehabilitation programs is questionable. METHODS: Patients undergoing elective left sided colonic surgery were prospectively non randomised observed. The "fast-track" program included patient information, thoracic peridural analgesia, forced mobilisation and oral intake, and stress reduction. Endpoints were duration of postoperative ileus and hospital stay, general- and local complication, and pulmonary function. RESULTS: 147 consecutive patients were operated on, 47 open and 100 laparoscopically. The time until oral intake was completed seemed to be shorter in the LAP-group (p=0.07) followed by a shorter hospital stay (p<0.01). The pulmonary function was postoperatively improved in the LAP-group compared to the CON-group (p<0,01). General complications (LAP 9% vs. CON 17%) were non significantly increased in the CON-group. Local complications increased in the CON-group (LAP 13% vs. CON 28%, p<0,05). CONCLUSION: Even with perioperative "fast-track"-rehabilitation programs short term advantages were found in laparoscopic compared with open colonic surgery in a non randomised population. The clinical relevance should be examined in controlled randomised trials.

Adult↗
PubMed2005

"Fast-track" rehabilitation after rectal cancer resection.

BACKGROUND AND AIMS: After rectal cancer surgery, postoperative general complications occur in 25-35% of all patients and postoperative hospital stay is 14-21 days. "Fast-track" rehabilitation has been shown to accelerate recovery, reduce general morbidity and decrease hospital stay after elective colonic surgery. Because the feasibility of "fast-track" rehabilitation in patients undergoing rectal cancer surgery has not been demonstrated yet, we demonstrate our initial results of "fast-track" rectal cancer surgery. PATIENTS AND METHODS: Seventy consecutive unselected patients undergoing rectal cancer resection by one surgeon underwent a perioperative "fast-track" rehabilitation. Demographic and operative data, pulmonary function, pain and fatigue, local and general complications and mortality were assessed prospectively. RESULTS AND FINDINGS: Thirty-six female and 34 male patients aged 65 (34-77) years underwent open (n=31) or laparoscopic (n=39) anterior resection with partial mesorectal excision (PME 27), anterior resection with total mesorectal excision and protective loop ileostomy (TME 29) or abdominoperineal excision with colostomy (APR 14). Overall, pulmonary function returned to >80% of preoperative value on day 2 (1-4) and the first bowel movement occurred on day 1 (0-3) after surgery. The incidence of local and general complications was 27 and 18%, respectively. Postoperative hospital stay was 8 (3-50) days overall, but shorter after PME [5 (3-47)] than TME [10 (5-42)] or APR [9 (5-50)] (p<0.01). INTERPRETATION AND CONCLUSION: "Fast-track" rehabilitation was feasible in patients undergoing rectal cancer resection. Local morbidity was not increased, while general morbidity and postoperative hospital stay compared favourably to other series with "traditional" perioperative care.

Adult↗
PubMed2005

Fibrinolytic capacity in peritoneal fluid after laparoscopic and conventional colorectal resection: data from a randomized controlled trial.

BACKGROUND: A reduced peritoneal fibrinolytic capacity after surgery is currently accepted to be the main cause for postoperative adhesions. The aim of this prospective randomized trial was to determine the fibrinolytic activity in peritoneal fluid after laparoscopic as compared to conventional colorectal resection. METHODS: A randomized controlled trial in parallel with the multicenter trial Lapkon II was conducted. Peritoneal fluid was sampled via drain at 2, 8, and 24 h after elective laparoscopic (n=14; LAP) and conventional (n=16; CON) colorectal resections. Activities and concentrations of tissue plasminogen activator (t-PA), plasminogen activator inhibitor type-1 (PAI-1) and t-PA/PAI complex were determined in all specimen by ELISA kits. RESULTS: There was no difference in age, sex or body mass index between both groups. Postoperatively, t-PA activity decreased in both groups and was lower 2 h after closing the abdomen in the laparoscopic group (p<0.05). PAI-1 activity and concentration increased in both groups. Difference between the groups was measured for PAI-1 concentration after 24 h (p<0.05). There were no differences between the groups regarding t-PA concentrations, PAI-1 activity and t-PA/PAI complex. CONCLUSIONS: After closing the abdominal cavity, postoperative changes in fibrinolytic capacity of peritoneal fluid can be determined in samples collected by a drain. However, there were no major differences in the postoperative course of fibrinolytic capacity in peritoneal fluid after laparoscopic and conventional colorectal resections.

Aged↗
PubMed2005

LapSim virtual reality laparoscopic simulator reflects clinical experience in German surgeons.

BACKGROUND AND AIMS: The aim of this study was to analyze the ability of a training module on a virtual laparoscopic simulator to assess surgical experience in laparoscopy. METHODS: One hundred and fifteen participants at the 120th annual convent of the German surgical society took part in this study. All participants were stratified into two groups, one with laparoscopic experience of less than 50 operations (group 1, n=61) and one with laparoscopic experience of more than 50 laparoscopic operations (group 2, n=54). All subjects completed a laparoscopic training module consisting of five different exercises for navigation, coordination, grasping, cutting and clipping. The time to perform each task was measured, as were the path lengths of the instruments and their respective angles representing the economy of the movements. Results between groups were compared using chi(2) or Mann-Whitney U-test. RESULTS: Group 1 needed more time for completion of the exercises (median 424 s, range 99-1,376 s) than group 2 (median 315 s, range 168-625 s) (P<0.01). Instrument movements were less economic in group 1 with larger angular pathways, e.g. in the cutting exercise (median 352 degrees , range 104-1,628 degrees vs median 204 degrees , range 107-444 degrees , P<0.01), and longer path lengths (each instrument P<0.05). CONCLUSION: As time for completion of exercises, instrument path lengths and angular paths are indicators of clinical experience, it can be concluded that laparoscopic skills acquired in the operating room transfer into virtual reality. A laparoscopic simulator can serve as an instrument for the assessment of experience in laparoscopic surgery.

Chi-Square Distribution↗
PubMed2005

Short term benefits for laparoscopic colorectal resection.

BACKGROUND: Colorectal resections are common surgical procedures all over the world. Laparoscopic colorectal surgery is technically feasible in a considerable amount of patients under elective conditions. Several short-term benefits of the laparoscopic approach to colorectal resection (less pain, less morbidity, improved reconvalescence and better quality of life) have been proposed. OBJECTIVES: This review compares laparoscopic and conventional colorectal resection with regards to possible benefits of the laparoscopic method in the short-term postoperative period (up to 3 months post surgery). SEARCH STRATEGY: We searched MEDLINE, EMBASE, CancerLit, and the Cochrane Central Register of Controlled Trials for the years 1991 to 2004. We also handsearched the following journals from 1991 to 2004: British Journal of Surgery, Archives of Surgery, Annals of Surgery, Surgery, World Journal of Surgery, Disease of Colon and Rectum, Surgical Endoscopy, International Journal of Colorectal Disease, Langenbeck's Archives of Surgery, Der Chirurg, Zentralblatt für Chirurgie, Aktuelle Chirurgie/Viszeralchirurgie. Handsearch of abstracts from the following society meetings from 1991 to 2004: American College of Surgeons, American Society of Colorectal Surgeons, Royal Society of Surgeons, British Assocation of Coloproctology, Surgical Association of Endoscopic Surgeons, European Association of Endoscopic Surgeons, Asian Society of Endoscopic Surgeons. SELECTION CRITERIA: All randomised-controlled trial were included regardless of the language of publication. No- or pseudorandomised trials as well as studies that followed patient's preferences towards one of the two interventions were excluded, but listed separately. RCT presented as only an abstract were excluded. DATA COLLECTION AND ANALYSIS: Results were extracted from papers by three observers independently on a predefined data sheet. Disagreements were solved by discussion. 'REVMAN 4.2' was used for statistical analysis. Mean differences (95% confidence intervals) were used for analysing continuous variables. If studies reported medians and ranges instead of means and standard deviations, we assumed the difference of medians to be equal to the difference of means. If no measure of dispersion was given, we tried to obtain these data from the authors or estimated SD as the mean or median. Data were pooled and rate differences as well as weighted mean differences with their 95% confidence intervals were calculated using random effects models. MAIN RESULTS: 25 RCT were included and analysed. Methodological quality of most of these trials was only moderate and perioperative treatment was very traditional in most studies. Operative time was longer in laparoscopic surgery, but intraoperative blood was less than in conventional surgery. Intensity of postoperative pain and duration of postoperative ileus was shorter after laparoscopic colorectal resection and pulmonary function was improved after a laparoscopic approach. Total morbidity and local (surgical) morbidity was decreased in the laparoscopic groups. General morbidity and mortality was not different between both groups. Until the 30th postoperative day, quality of life was better in laparoscopic patients. Postoperative hospital stay was less in laparoscopic patients. AUTHORS' CONCLUSIONS: Under traditional perioperative treatment, laparoscopic colonic resections show clinically relevant advantages in selected patients. If the long-term oncological results of laparoscopic and conventional resection of colonic carcinoma show equivalent results, the laparoscopic approach should be preferred in patients suitable for this approach to colectomy.

Blood Loss, Surgical↗
PubMed2005

[What is "Fast-track"-surgery?].

"Fast-track"-surgery -- also called "fast-track"-rehabilitation -- is an interdisciplinary, multimodal concept to accelerate postoperative reconvalescence and reduce general morbidity. "Fast-track"-rehabilitation focuses on preoperative patient education, atraumatic and minimal-invasive access to the operative field, optimized anesthesia under normovolemia and prevention of intraoperative hypoxia and hypothermia, effective analgetic therapy without high systemic doses of opioids, enforced postoperative patient mobilisation, early postoperative oral feeding, and avoidance of tubes and drains. "Fast-track"-rehabilitation plans have been published for numerous operative procedures in general-, visceral-, vascular- and thoracic surgery, as well for orthopaedic, urological and gynaecological operations. Until today, "fast-track"-rehabilitation was evaluated most thoroughly in elective colonic surgery. Here, the multimodal regime decreased general morbidity from 20 - 30 % to below 10 %, while postoperative hospital stay was reduced from 10 - 15 to 2 - 5 days. "Fast-track"-rehabilitation for major surgery should be evaluated in randomised, controlled trials.

Colon↗
PubMed2005

[Fast track rehabilitation in colonic surgery: results of a prospective trial].

OBJECTIVE: In elective large bowel surgery the incidence of general complications with standard perioperative care is up to 27%. Hospital discharge occurs 10 to 15 days after a conventional or laparoscopic colonic resection. The aim of a fast track management is to reduce the number of general complications and the length of hospital stay. MATERIAL AND METHODS: We prospectively evaluated a multimodal protocol in our service utilizing a combined thoracic epidural analgesia, an early mobilization and oral nutrition to accelerate postoperative recovery after elective colonic surgery. RESULTS: One hundred thirty-two consecutive patients aged an average of 66 years (range 22-88) were operated by laparotomy (n =71) or laparoscopy (n =61) and treated with the fast track rehabilitation protocol. Surgical complications occurred in 15 patients (11 %), four of these had an anastomotique leakage (3%). General complications occurred in 11 patients (8 %), the mortality was 1 %. The median length of hospital stay was four days (range 3-77) and 14 patients (11%) had to be readmitted. CONCLUSION: Application of a fast track rehabilitation protocol lowered the number of general complications and reduced the duration of hospital stay in our study.

Adult↗
PubMed2005

[Problem-based learning for surgery. Increased motivation with less teaching personnel?].

BACKGROUND: Traditional teacher-centred education strategies often do not meet the needs and student abilities of adult learning. The introduction of small learning groups requires considerable increases in staff. Problem-based learning could increase the motivation to acquire knowledge but without being as staff-intensive. METHODS: Medical students (n=98) in their fourth clinical semester were randomly assigned to either a structured course (SC) or problem-based learning (PBL) for surgery. Their motivation and acceptance of the courses were recorded at the end of term in anonymous questionnaires using Likert scales, with scores ranging from 1 (very good) to 6 (unsatisfactory). RESULTS: Both course structure and the teachers received much better ratings from the PBL students (P<0.01 each). The motivation of students to deal with surgical problems beyond the course material was significantly higher after PBL, with 1.8 (0.7), than after the structured course with 3.1 (1.2) (P<0.01). The overall rating was substantially worse for the structured course, with 3.1 (1.2) than for PBL at 1.4 (0.6) (P<0.01). CONCLUSIONS: Problem-based learning in the surgical curriculum increases student acceptance and motivation with little demand on staff. It should be increasingly implemented.

Adult↗
PubMed2005

Guided imagery and relaxation in conventional colorectal resections: a randomized, controlled, partially blinded trial.

PURPOSE: The aim of this study was to investigate whether brief psychologic interventions to reduce perioperative stress may improve the postoperative course of patients undergoing abdominal surgery. METHODS: We used a randomized, controlled, partially blinded trial to evaluate the differential effectiveness of two brief psychologic interventions (guided imagery and progressive muscle relaxation) on analgesic requirement, pain perception, pulmonary function, duration of postoperative ileus, and fatigue after conventional resection of colorectal carcinoma in elderly cancer patients. RESULTS: Sixty patients (20 guided imagery, 22 relaxation, 18 control) were evaluated. Acceptance of the brief psychologic interventions was high and 90 percent of the patients indicated that they would recommend it to other patients. Analgesic consumption (P = 0.6) and subjective pain intensity at rest (P = 0.3) and while coughing (P = 0.3) were not different between groups. Recovery of pulmonary function, duration of postoperative ileus, and subjective postoperative fatigue were also not influenced. When the data from intervention groups were pooled, again no benefits were detected compared with the control group. CONCLUSIONS: Brief psychologic interventions such as guided imagery and relaxation yielded a very positive patient response but did not show a clinically relevant influence on the postoperative physiologic course of elderly patients undergoing conventional resections of colorectal cancer.

Age Factors↗
PubMed2005

Subcutaneous gentamycin implant to reduce wound infections after loop-ileostomy closure: a randomized, double-blind, placebo-controlled trial.

BACKGROUND: After loop-ileostomy closure subcutaneous wound infection is the most frequent postoperative complication. Implantation of local antibiotics has been shown to reduce the incidence of wound infection after different surgical procedures, therefore, a subcutaneous application of a gentamycin implant may also decrease infection rate after ileostomy-closure. METHODS: We conducted a randomized, double-blind, placebo-controlled trial to evaluate the effectiveness of a subcutaneous gentamycin-collagen implant to reduce wound infection after loop-ileostomy closure. Patients had the same perioperative treatment and standardized anastomotic and closure technique. A collagen sponge with gentamycin was used in the treatment group and an identical collagen implant without antibiotics was used in the placebo group. RESULTS: Eighty patients (40 per group) were included. There was no difference between the groups with respect to demographics or in the postoperative course. The total wound infection rate was 10 percent with no difference between the gentamycin (n=4) and the collagen group (n=4) (P = 1.0). CONCLUSION: Subcutaneous implantation of a gentamycin sponge yields no clinically relevant reduction of the wound infection rate after loop-ileostomy closure so that routine use is not recommended in this procedure.

Aged↗
PubMed2004

'Fast-track' multimodal rehabilitation program improves outcome after laparoscopic sigmoidectomy: a controlled prospective evaluation.

BACKGROUND: Laparoscopic colorectal resection improves patient outcome by reducing pain, postoperative pulmonary dysfunction, gastrointestinal paralysis, and fatigue. A multimodal rehabilitation program ("fast-track") with epidural analgesia, early oral feeding, and enforced mobilization may further improve the excellent results of laparoscopic colorectal resection, enabling early ambulation of these patients. METHODS: Fifty two consecutive patients underwent laparoscopic sigmoidectomy with standardized regular perioperative treatment (standard) or multimodal rehabilitation program ("fast-track"). Outcome measures included pulmonary function, duration of postoperative ileus, pain perception, fatigue, morbidity, and mortality. RESULTS: Twenty nine standard-care patients (19 men and 10 women) and 23 fast-track patients (15 men and eight women) were evaluated. Demographic and operative data were similar for the two groups. On the 1st postoperative day, pulmonary function was improved (p = 0.01) in fast-track patients. Oral feeding was achieved earlier (p < 0.01) and defecation occurred earlier (p < 0.01) in the fast-track group. Visual analogue scale scores for pain were similar for the two groups (p > 0.05), but fatigue was increased in the standard-care group on the 1st (p = 0.06) and 2nd (p < 0.05) postoperative days. Morbidity was not different for the two groups. Fast-track patients were discharged on day 4 (range, 3-6) and standard-care patients on day 7 (range, 4-14) (p < 0.001). CONCLUSION: Multimodal rehabilitation can improve further on the excellent results of laparoscopic sigmoidectomy and decrease the postoperative hospital stay.

Adult↗
PubMed2004

Comparison of EORTC quality of life core questionnaire (EORTC-QLQ-C30) and gastrointestinal quality of life index (GIQLI) in patients undergoing elective colorectal cancer resection.

BACKGROUND: EORTC-QLQ-C30 questionnaires and GIQLI questionnaires are used to evaluate post-operative quality of life (QoL). It was not clear whether results of both instruments are comparable. Therefore, the level of agreement between both QoL questionnaires was evaluated in patients undergoing elective colorectal cancer resection. METHODS: Pre-operatively, 7 and 30 days after surgery 116 patients answered the EORTC-QLQ-C-30 and the GIQLI questionnaires in random order. Individual questions with similar content from each questionnaire were compared. Data for global QoL, physical (PF), emotional (EF) and social function (SF) were linearly transformed to fit a scale from 0 to 100. Data from the two instruments were correlated and the level of agreement between them was calculated according to the method of Bland and Altman. RESULTS: A total of 308 data sets [(pre-op. n=116; 7th pod n=101; 30th post-operative day (pod) n=91)] were evaluated. Both instruments detected a reversible reduction of QoL after surgery and gave inferior results for patients with conditions known to impair QoL. EORTC-QLQ-C30 was more sensitive than GIQLI. The correlation between the two questionnaires for global QoL, PF and EF was good ( r=0.53-0.66, p<0.01), but no correlation for SF was detected ( r=-0.44, p=0.44). Linearly transformed scores from the two instruments differed considerably from -13 (95%CI -51 to 24) points (QoL) to 10 (-38 to 58) points (PF). CONCLUSION: Although EORTC-QLQ-C30 scores and GIQLI scores from patients undergoing elective colorectal cancer surgery did correlate well, the level of agreement between the two instruments was quite low. Perioperative QoL data from the two instruments cannot be compared with each other.

Aged↗
PubMed2004

Evaluation of quality of life after laparoscopic surgery: evidence-based guidelines of the European Association for Endoscopic Surgery.

BACKGROUND: Measuring health-related quality of life (QoL) after surgery is essential for decision making by patients, surgeons, and payers. The aim of this consensus conference was twofold. First, it was to determine for which diseases endoscopic surgery results in better postoperative QoL than open surgery. Second, it was to recommend QoL instruments for clinical research. METHODS: An expert panel selected 12 conditions in which QoL and endoscopic surgery are important. For each condition, studies comparing endoscopic and open surgery in terms of QoL were identified. The expert panel reached consensus on the relative benefits of endoscopic surgery and recommended generic and disease-specific QoL instruments for use in clinical research. RESULTS: Randomized trials indicate that QoL improves earlier after endoscopic than open surgery for gastroesophageal reflux disease (GERD), cholecystolithiasis, colorectal cancer, inguinal hernia, obesity (gastric bypass), and uterine disorders that require hysterectomy. For spleen, prostate, malignant kidney, benign colorectal, and benign non-GERD esophageal diseases, evidence from nonrandomized trials supports the use of laparoscopic surgery. However, many studies failed to collect long-term results, used nonvalidated questionnaires, or measured QoL components only incompletely. The following QoL instruments can be recommended: for benign esophageal and gallbladder disease, the GIQLI or the QOLRAD together with SF-36 or the PGWB; for obesity surgery, the IWQOL-Lite with the SF-36; for colorectal cancer, the FACT-C or the EORTC QLQ-C30/CR38; for inguinal and renal surgery, the VAS for pain with the SF-36 (or the EORTC QLQ-C30 in case of malignancy); and after hysterectomy, the SF-36 together with an evaluation of urinary and sexual function. CONCLUSIONS: Laparoscopic surgery provides better postoperative QoL in many clinical situations. Researchers would improve the quality of future studies by using validated QoL instruments such as those recommended here.

Cholecystectomy, Laparoscopic↗