Cochrane · systematic review · CD007097

Endonasal versus external dacryocystorhinostomy for nasolacrimal duct obstruction

Jawaheer, L, MacEwen, CJ, Anijeet, D · Cochrane Database of Systematic Reviews · 2017 · Cochrane Library

Eyes and Vision2 versionsAMSTAR 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

current version

GRADE rated

No studies

Included studies

No studies 0 · 0%Ungraded 0 · 0%Very low 4 · 80%Low 1 · 20%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

Current version only

Comparison

Population: People with nasolacrimal duct obstruction

CD007097.PUB3 (current) · 5 questions

Outcome	Effect	Evidence	Status / GRADE
Anatomic success (i.e. patent lacrimal passage after a period of at least six months after operation)	no estimate extracted	NR	Very low Downgraded: risk of bias, imprecision, inconsistency
Subjective success (i.e. resolution of symptoms of watering following surgery)	no estimate extracted	5 participants	Low Downgraded: risk of bias, imprecision
Intraoperative bleeding	no estimate extracted	NR	Very low Downgraded: risk of bias, imprecision, inconsistency
Postoperative bleeding	RR 0.33 [0.04, 3.1]	2 studies · 104 participants	Very low Downgraded: risk of bias, imprecision
Wound infection/gaping	no estimate extracted	NR	Very low Downgraded: risk of bias, imprecision

Endonasal DCR compared with External DCR for nasolacrimal duct obstruction

Population: Patients with nasolacrimal duct obstruction

CD007097.PUB2 · 2 questions

Outcome	Effect	Evidence	Status / GRADE
Success Endonasal DCR vs External DCR	RR 4 [1.25, 12.84]	1 study · 64 participants	Low Downgraded: risk of bias
Intraoperative bleeding Endonasal DCR vs External DCR	RR 1	1 study · 64 participants	Low Downgraded: risk of bias