Cochrane · systematic review · CD013336

Extended versus standard lymph node dissection for urothelial carcinoma of the bladder in patients undergoing radical cystectomy

Hwang, EC, Sathianathen, NJ, Imamura, M, et al. · Cochrane Database of Systematic Reviews · 2019 · Cochrane Library

UrologyAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
6
current version
GRADE rated
5
No studies
1
Included studies
NR
No studies 1 · 16.7%Ungraded 0 · 0%Very low 3 · 50%Low 2 · 33.3%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Impact of extended versus standard lymph node dissection on overall survival among patients with urothelial cancer of the bladder

Population: Partcipants with bladder cancer undergoing radical cystectomy (male n = 314, female n = 87; age (interquartile range) 59 to 74)Country: Germany
6 questions
OutcomeEffectEvidenceStatus / GRADE
Time to death from any cause (absolute effect size estimates based on death rate at 5 years)
Impact of extended vs standard lymph node dissection on overall survival among patients with urothelial cancer of the bladder
HR 0.78 [0.57, 1.07]1 study · 401 participantsLow
Downgraded: risk of bias
Time to death from bladder cancer (absolute effect size estimates based on death rate at 5 years)
Impact of extended vs standard lymph node dissection on overall survival among patients with urothelial cancer of the bladder
HR 0.7 [0.45, 1.07]1 study · 401 participantsLow
Downgraded: risk of bias
Clavien‐Dindo grade ≥ 3 complications
Impact of extended vs standard lymph node dissection on overall survival among patients with urothelial cancer of the bladder
RR 1.13 [0.84, 1.52]1 study · 401 participantsVery low
Downgraded: risk of bias
Time to recurrence (absolute effect size estimates based on recurrence rate at 5 years)
Impact of extended vs standard lymph node dissection on overall survival among patients with urothelial cancer of the bladder
HR 0.84 [0.58, 1.22]1 study · 401 participantsVery low
Downgraded: risk of bias
Clavien‐Dindo grade ≤ 2 complications8
Impact of extended vs standard lymph node dissection on overall survival among patients with urothelial cancer of the bladder
RR 0.94 [0.74, 1.19]1 study · 401 participantsVery low
Downgraded: risk of bias
Disease‐specific quality of life9
Impact of extended vs standard lymph node dissection on overall survival among patients with urothelial cancer of the bladder
no estimate extractedNRNo studies