Cochrane · systematic review · CD012743

Ab interno trabecular bypass surgery with iStent for open‐angle glaucoma

Le, JT, Bicket, AK, Wang, L, et al. · Cochrane Database of Systematic Reviews · 2019 · Cochrane Library

Eyes and VisionAMSTAR 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
14
current version
GRADE rated
5
No studies
4
Included studies
NR
No studies 4 · 28.6%Ungraded 5 · 35.7%Very low 5 · 35.7%Low 0 · 0%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

IStent in combination with phacoemulsification compared to phacoemulsification alone for open‐angle glaucoma

Population: open‐angle glaucoma
7 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of participants who were drop‐free
IStent in combination with phacoemulsification vs phacoemulsification alone
RR 1.38 [1.18, 1.63]2 studies · 239 participantsVery low
Downgraded: risk of bias, imprecision, publication bias
Mean change in number of IOP‐lowering drops from baseline
IStent in combination with phacoemulsification vs phacoemulsification alone
no estimate extracted2 studies · 282 participantsVery low
Downgraded: risk of bias, imprecision, publication bias
Mean change in IOP from baseline
IStent in combination with phacoemulsification vs phacoemulsification alone
no estimate extracted3 studies · 284 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency, publication bias
Health‐related quality of life
IStent in combination with phacoemulsification vs phacoemulsification alone
no estimate extractedNRNo studies
Intraoperative complications
IStent in combination with phacoemulsification vs phacoemulsification alone
no estimate extractedNRNo studies
Postoperative complications
IStent in combination with phacoemulsification vs phacoemulsification alone
no estimate extracted4 studies · 334 participantsUngraded
Secondary glaucoma surgery
IStent in combination with phacoemulsification vs phacoemulsification alone
no estimate extracted3 studies · 290 participantsUngraded

IStent (or iStent inject) compared to medical therapy for open‐angle glaucoma

Population: open‐angle glaucoma
7 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of participants who were drop‐free
IStent (or iStent inject) vs medical therapy
no estimate extracted2 studies · 286 participantsVery low
Downgraded: risk of bias, imprecision, publication bias
Mean change in number of IOP‐lowering drops from baseline
IStent (or iStent inject) vs medical therapy
no estimate extractedNRNo studies
Mean change in IOP from baseline
IStent (or iStent inject) vs medical therapy
no estimate extracted1 study · 184 participantsVery low
Downgraded: risk of bias, imprecision, publication bias
Health‐related quality of life
IStent (or iStent inject) vs medical therapy
no estimate extractedNRNo studies
Intraoperative complications
IStent (or iStent inject) vs medical therapy
no estimate extracted1 study · 101 participantsUngraded
Postoperative complications
IStent (or iStent inject) vs medical therapy
no estimate extracted2 studies · 286 participantsUngraded
Secondary glaucoma surgery
IStent (or iStent inject) vs medical therapy
no estimate extracted2 studies · 286 participantsUngraded