Methods |
RCT
no sample size calculation;
randomisation preoperative;
no conversion. |
Participants |
n = 50;
Inclusion: T2 or T3 colorectal cancer (N0).
Exclusion: Tis and T1 stage, upper and lower rectum, transverse colon, T4 tumors, liver metastasis, peritoneal dissemination. |
Interventions |
laparoscopic vs. conventional
Conversions: none.
Tumor location: cecum, ascending colon, descending colon, sigmoid, rectosigmoid.
Type of resection: not stated. |
Outcomes |
Main study criterium: not stated.
Data given for: operative time, blood loss, length of incision, cytokine levels (IL‐6), CrP, NK‐cell activity, duration of postoperative ileus, duration of additional analgetic requests, morbidity, postoperative hospital stay. |
Notes |
Laparoscopic technique: gas insufflation.
Conventional incision: not stated
Anesthesia/Analgesia: thoracic epidural, i.m. on demand.
Analgetic drugs: epidural bupivacaine / morphine; additional pentazocine i.m.
Evans & Pollock: Design 24, Analysis 9,
Presentation 10, Total 43. |
Risk of bias |
Bias |
Authors' judgement |
Support for judgement |
Allocation concealment? |
Unclear risk |
B ‐ Unclear |