Cochrane · systematic review · CD012323
Graft interposition for preventing Frey's syndrome in patients undergoing parotidectomy
Ye, L, Cao, Y, Yang, W, et al. · Cochrane Database of Systematic Reviews · 2019 · Cochrane Library
ENTAMSTAR 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
6
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 2 · 33.3%Low 4 · 66.7%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
Sternocleidomastoid muscle flap versus no flap
Population: patients undergoing parotidectomy
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Incidence rate of Frey's syndrome assessed clinically Sternocleidomastoid muscle flap vs no flap | RR 0.08 | 2 studies · 60 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |
Other complications As measured by: clinical methods and subjective perception Sternocleidomastoid muscle flap vs no flap | RR 2.18 [0.09, 50.16] | 1 study · 36 participants | Low Downgraded: imprecision |
Incidence rate of Frey's syndrome assessed by participants Sternocleidomastoid muscle flap vs no flap | RR 0.63 [0.32, 1.26] | 1 study · 36 participants | Low Downgraded: imprecision |
Acellular dermal matrix versus control
Population: patients undergoing parotidectomy
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Incidence rate of Frey's syndrome assessed clinically Acellular dermal matrix vs control | RR 0.08 [0, 1.25] | 1 study · 30 participants | Very low Downgraded: imprecision |
Other complications As measured by clinical methods Acellular dermal matrix vs control | RR 17 [1.02, 282.67] | 1 study · 64 participants | Low Downgraded: imprecision |
Incidence rate of Frey's syndrome assessed by participants Acellular dermal matrix vs control | RR 0.33 [0.04, 3.04] | 1 study · 64 participants | Low Downgraded: imprecision |