Gap finder

Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

272 questions in 49 reviews · Heart

current versions
No studies 272 · 100%Ungraded 0 · 0%Very low 0 · 0%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.

QuestionEffectEvidenceStatus / GRADE
Lidocaine vs propafenone
Overall survival at 30 days after myocardial infarction · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs placebo or no intervention
Overall survival at 30 days after myocardial infarction · patients with acute myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs amiodarone
All‐cause mortality · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs amiodarone
Cardiac mortality · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs amiodarone
Overall survival at 30 days after myocardial infarction · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs dimethylammonium
All‐cause mortality · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs dimethylammonium
Cardiac mortality · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs dimethylammonium
Overall survival at 30 days after myocardial infarction · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs dimethylammonium
Ventricular fibrillation · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs aprindine
All‐cause mortality · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs aprindine
Cardiac mortality · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs aprindine
Overall survival at 30 days after myocardial infarction · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs aprindine
Ventricular fibrillation · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs pirmenol
All‐cause mortality · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs pirmenol
Cardiac mortality · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs pirmenol
Overall survival at 30 days after myocardial infarction · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs pirmenol
Ventricular fibrillation · patients with myocardial infarction
Prophylactic lidocaine for myocardial infarction (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse event · participants with CHD after PCI
Tong‐xin‐luo capsule for patients with coronary heart disease after percutaneous coronary intervention (2015) · Cochrane
no estimate extractedNRNo studies
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM)
All‐cause death: not measured · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
no estimate extractedNRNo studies
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM) plus placebo
Health‐related quality of life: not measured · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
no estimate extractedNRNo studies
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM)
Health‐related quality of life: not measured · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
no estimate extractedNRNo studies
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM) plus placebo
All‐cause death: not measured · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
no estimate extractedNRNo studies