Nitroglycerin vs no treatment: Cardiac ischaemia indicated by ECG
It is very uncertain whether nitroglycerin changes cardiac ischaemia indicated by ECG compared with no treatment (very low certainty).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Nitroglycerin vs no treatment Cardiac ischaemia indicated by ECG · patients (15 years of age and older) undergoing non‐cardiac surgery under any type of anaesthesia It is very uncertain whether nitroglycerin changes cardiac ischaemia indicated by ECG compared with no treatment (very low certainty). Nitrates for the prevention of cardiac morbidity and mortality in patients undergoing non‐cardiac surgery (2016) · Cochrane Headline outcomes only | RR 0.73 [0.42, 1.26] | 4 studies · 197 participants | Very low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Nitrates for the prevention of cardiac morbidity and mortality in patients undergoing non‐cardiac surgery 2016 · Cochrane Headline outcomes only | Not reported | list not extracted yet | Not assessed |
Studies behind the findings
None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.
How reviews are matched to this question
Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.