Short‐term lymphocyst formation: symptomatic within 4 weeks after surgery · patients with gynaecological malignancies
Retroperitoneal drainage leads to higher short‐term lymphocyst formation: symptomatic within 4 weeks after… compared with no drainage after pelvic lymphadenectomy (high certainty).
1 finding from 1 review
Short‐term lymphocyst formation: both asymptomatic and symptomatic at 8 weeks after surgery · patients with gynaecological malignancies
Retroperitoneal drainage showed no clear difference in short‐term lymphocyst formation: both asymptomatic and symptomatic… compared with no drainage after pelvic lymphadenectomy (high certainty).
1 finding from 1 review
Long‐term lymphocyst formation: both asymptomatic and symptomatic at 12 months after surgery · patients with gynaecological malignancies
Retroperitoneal drainage showed no clear difference in long‐term lymphocyst formation: both asymptomatic and symptomatic at… compared with no drainage after pelvic lymphadenectomy (high certainty).
1 finding from 1 review
Long‐term lymphocyst formation: symptomatic at 12 months after surgery · patients with gynaecological malignancies
Retroperitoneal drainage showed no clear difference in long‐term lymphocyst formation: symptomatic at 12 months after surgery compared with no drainage after pelvic lymphadenectomy (low certainty).
1 finding from 1 review
Febrile morbidity · patients with gynaecological malignancies
Retroperitoneal drainage showed no clear difference in febrile morbidity compared with no drainage after pelvic lymphadenectomy (high certainty).
1 finding from 1 review
Pelvic infection · patients with gynaecological malignancies
Retroperitoneal drainage showed no clear difference in pelvic infection compared with no drainage after pelvic lymphadenectomy (moderate certainty).
1 finding from 1 review
Anastomotic leakage/dehiscence · unselected population undergoing elective colorectal anastomosis
Intra‐abdominal drainage showed no clear difference in anastomotic dehiscence compared with no drainage (low certainty).
1 finding from 1 review
All‐cause mortality · unselected population undergoing elective colorectal anastomosis
Intra‐abdominal drainage showed no clear difference in mortality compared with no drainage (low certainty).
1 finding from 1 review
Drain‐related complications · people undergoing elective pancreatic resections
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Need for intercostal tube drainage · patients with pneumothorax in the newborn
It is very uncertain whether needle aspiration (needle removed immediately after aspiration) changes need for intercostal tube drainage compared with intercostal tube drainage (very low certainty).
1 finding from 1 review
Need for intercostal tube drainage · patients with pneumothorax in the newborn
It is very uncertain whether needle aspiration (needle or angiocatheter left in situ) changes need for intercostal tube drainage compared with intercostal tube drainage (very low certainty).
1 finding from 1 review
Severity of STP at 24 hours post‐operatively · women undergoing a diagnostic or operative laparoscopic gynaecological procedure
1 finding from 1 review
Adverse events · women undergoing a diagnostic or operative laparoscopic gynaecological procedure
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Analgesia usage · women undergoing a diagnostic or operative laparoscopic gynaecological procedure
1 finding from 1 review
Incidence of STP at 24 hours post‐operatively · women undergoing a diagnostic or operative laparoscopic gynaecological procedure
Intraperitoneal drain may leads to lower incidence of STP at 24 hours post‐operatively compared with no intraperitoneal drain (low certainty).
1 finding from 1 review
Peri‐operative mortality · patients undergoing open common bile duct exploration.
It is very uncertain whether T‐tube drainage changes peri‐operative mortality compared with primary closure (very low certainty).
1 finding from 1 review
Serious morbidity (rate) · patients undergoing open common bile duct exploration.
It is very uncertain whether T‐tube drainage changes serious morbidity (rate) compared with primary closure (very low certainty).
2 findings from 1 review
Rate ratio 2.19 [0.98, 4.91]
4 studies · 272 participants
Very low
RR 2.53 [0.29, 21.98]
1 study · 35 participants
Very low
Operating time · patients undergoing open common bile duct exploration.
1 finding from 1 review
Length of hospital stay · patients undergoing open common bile duct exploration.
1 finding from 1 review
Serious morbidity (rate) · laparoscopic common bile duct exploration.
It is very uncertain whether T‐tube drainage changes serious morbidity (rate) compared with primary closure after laparoscopic common bile duct exploration (very low certainty).
2 findings from 1 review
Rate ratio 1.59 [0.66, 3.83]
3 studies · 295 participants
Very low
RR 1.86 [0.87, 3.96]
3 studies · 295 participants
Very low