| Methods |
RCT
sample size calculation;
preoperative randomisation; conversions analysed as intention to treat. |
| Participants |
n = 269
Inclusion: elective colonic surgery in the age > 18 years.
Exclusion: > 80 years, emergency surgery, tumor below 4cm, adjacent organ infiltration, cardiovascular reasons, infection, respiratory insufficiency (pO2 < 70 mm Hg), Child C hepatic insufficiency, neutropenia, refused informed consent. |
| Interventions |
laparoscopic vs. conventional
Conversions: narrow pelvis 3, adhesions 3, hypercapnia 1.
Location: no data given.
Type of resection: right colon 35 vs. 33, left colon 57 vs. 56, rectum 29 vs. 27.
Tumor stage: Dukes A 13 vs. 15, Dukes B 24 vs. 25, Dukes C 47 vs. 52, Dukes D 6 vs. 4. |
| Outcomes |
Main study criterium: 30‐day‐morbidity.
Data given for: operative time,
duration of ileus, morbidity, hospital stay, recovery of physical function. |
| Notes |
Laparoscopic technique: gas insufflation.
Conventional incision: not stated. Anesthesia/Analgesia: standardized / thoracic epidural analgesia / systemic pca. Analgetic drugs: epidural ropivacaine / systemic morphine.
Evans & Pollock: Design 38, Analysis 18,
Presentation 18, Total 72. |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Allocation concealment? |
Low risk |
A ‐ Adequate |