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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)

1,554 questions in 140 reviews · Heart

current versions
No studies 272 · 17.5%Ungraded 44 · 2.8%Very low 329 · 21.2%Low 464 · 29.9%Moderate 319 · 20.5%High 126 · 8.1%

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
Sexual counselling vs usual care
Sexual function · participants with cardiovascular disease
Sexual counselling for sexual problems in patients with cardiovascular disease (2016) · Cochrane
no estimate extractedNRVery low
Sexual counselling vs usual care
Sexual satisfaction · participants with cardiovascular disease
Sexual counselling for sexual problems in patients with cardiovascular disease (2016) · Cochrane
no estimate extractedNRVery low
Sexual counselling vs usual care
Relationship satisfaction · participants with cardiovascular disease
Sexual counselling for sexual problems in patients with cardiovascular disease (2016) · Cochrane
no estimate extractedNRVery low
Sexual counselling vs usual care
Quality of life · participants with cardiovascular disease
Sexual counselling for sexual problems in patients with cardiovascular disease (2016) · Cochrane
no estimate extractedNRVery low
Sexual counselling vs usual care
Anxiety · participants with cardiovascular disease
Sexual counselling for sexual problems in patients with cardiovascular disease (2016) · Cochrane
no estimate extractedNRVery low
Sexual counselling vs usual care
Resumption of sexual activity after a cardiac event (Resumption of sex) · participants with cardiovascular disease
Sexual counselling for sexual problems in patients with cardiovascular disease (2016) · Cochrane
no estimate extracted1 study · 4 participantsVery low
Sexual counselling vs usual care
Satisfaction in how sexual issues are addressed in cardiac rehabilitation services (Satisfaction with health services) · participants with cardiovascular disease
Sexual counselling for sexual problems in patients with cardiovascular disease (2016) · Cochrane
no estimate extractedNRNo studies
Colchicine vs any control treatment
Mortality (all‐cause) · any patient population and people with high cardiovascular risk
Colchicine for prevention of cardiovascular events (2016) · Cochrane
RR 0.94 [0.82, 1.09]30 studies · 4174 participantsModerate
Colchicine vs any control treatment
Mortality (cardiovascular) · any patient population and people with high cardiovascular risk
Colchicine for prevention of cardiovascular events (2016) · Cochrane
RR 0.34 [0.09, 1.21]7 studies · 1132 participantsModerate
Colchicine vs any control treatment
Myocardial Infarction (total) · any patient population and people with high cardiovascular risk
Colchicine for prevention of cardiovascular events (2016) · Cochrane
RR 0.2 [0.07, 0.57]2 studies · 652 participantsModerate
Colchicine vs any control treatment
Adverse event (total) · any patient population and people with high cardiovascular risk
Colchicine for prevention of cardiovascular events (2016) · Cochrane
RR 1.52 [0.93, 2.46]11 studies · 1313 participantsVery low
Colchicine vs any control treatment
Adverse event (gastrointestinal) · any patient population and people with high cardiovascular risk
Colchicine for prevention of cardiovascular events (2016) · Cochrane
RR 1.83 [1.03, 3.26]11 studies · 1258 participantsLow
Colchicine vs any control treatment
Adverse event (serious) · any patient population and people with high cardiovascular risk
Colchicine for prevention of cardiovascular events (2016) · Cochrane
no estimate extracted4 studies · 472 participantsLow
Colchicine vs any control treatment
Heart failure (total) · any patient population and people with high cardiovascular risk
Colchicine for prevention of cardiovascular events (2016) · Cochrane
RR 0.62 [0.1, 3.88]3 studies · 426 participantsLow
Colchicine vs any control treatment
Stroke (total) · any patient population and people with high cardiovascular risk
Colchicine for prevention of cardiovascular events (2016) · Cochrane
OR 0.38 [0.09, 1.7]3 studies · 874 participantsLow
Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup
All‐cause short‐term mortality · people with unexplained recurrent syncope
Implantable loop recorder versus conventional diagnostic workup for unexplained recurrent syncope (2016) · Cochrane
no estimate extracted0 participantsUngraded
Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup
All‐cause long‐term mortality · people with unexplained recurrent syncope
Implantable loop recorder versus conventional diagnostic workup for unexplained recurrent syncope (2016) · Cochrane
RR 0.97 [0.41, 2.3]2 studies · 255 participantsVery low
Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup
Other adverse events · people with unexplained recurrent syncope
Implantable loop recorder versus conventional diagnostic workup for unexplained recurrent syncope (2016) · Cochrane
no estimate extracted2 studies · 447 participantsUngraded
Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup
Quality of life · people with unexplained recurrent syncope
Implantable loop recorder versus conventional diagnostic workup for unexplained recurrent syncope (2016) · Cochrane
no estimate extracted2 studies · 279 participantsUngraded
Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup
Syncope relapse · people with unexplained recurrent syncope
Implantable loop recorder versus conventional diagnostic workup for unexplained recurrent syncope (2016) · Cochrane
no estimate extracted3 studies · 507 participantsUngraded
Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup
Economic costs · people with unexplained recurrent syncope
Implantable loop recorder versus conventional diagnostic workup for unexplained recurrent syncope (2016) · Cochrane
no estimate extracted2 studies · 261 participantsUngraded
Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup
Aetiologic diagnosis · people with unexplained recurrent syncope
Implantable loop recorder versus conventional diagnostic workup for unexplained recurrent syncope (2016) · Cochrane
RR 0.61 [0.54, 0.68]4 studies · 579 participantsModerate
Intervention NR
All‐cause mortality · individuals with atrial fibrillation who are undergoing cardiac surgery
Concomitant atrial fibrillation surgery for people undergoing cardiac surgery (2016) · Cochrane
RR 1.14 [0.81, 1.59]20 studies · 1829 participantsLow
Intervention NR
Freedom from AF/AFL/AT off antiarrhythmic medications > 3 months · individuals with atrial fibrillation who are undergoing cardiac surgery
Concomitant atrial fibrillation surgery for people undergoing cardiac surgery (2016) · Cochrane
RR 2.04 [1.63, 2.55]8 studies · 649 participantsModerate
Intervention NR
Investigator‐defined adverse events · individuals with atrial fibrillation who are undergoing cardiac surgery
Concomitant atrial fibrillation surgery for people undergoing cardiac surgery (2016) · Cochrane
RR 1.07 [0.85, 1.34]9 studies · 858 participantsVery low
Intervention NR
Pacemaker implantation4 · individuals with atrial fibrillation who are undergoing cardiac surgery
Concomitant atrial fibrillation surgery for people undergoing cardiac surgery (2016) · Cochrane
RR 1.69 [1.12, 2.54]18 studies · 1726 participantsModerate
Intervention NR
30‐day mortality4 · individuals with atrial fibrillation who are undergoing cardiac surgery
Concomitant atrial fibrillation surgery for people undergoing cardiac surgery (2016) · Cochrane
RR 1.25 [0.71, 2.2]18 studies · 1566 participantsLow
Ablation vs antiarrhythmic drug
Freedom from atrial arrhythmia · people with non‐paroxysmal atrial fibrillation
Efficacy and safety of ablation for people with non‐paroxysmal atrial fibrillation (2016) · Cochrane
RR 1.84 [1.17, 2.88]3 studies · 261 participantsLow
Ablation vs antiarrhythmic drug
Participants needing cardioversion · people with non‐paroxysmal atrial fibrillation
Efficacy and safety of ablation for people with non‐paroxysmal atrial fibrillation (2016) · Cochrane
RR 0.62 [0.47, 0.82]3 studies · 261 participantsModerate
Ablation vs antiarrhythmic drug
Cardiac hospitalisation Hospitalisations directly related to ablation or antiarrhythmic drugs · people with non‐paroxysmal atrial fibrillation
Efficacy and safety of ablation for people with non‐paroxysmal atrial fibrillation (2016) · Cochrane
RR 0.27 [0.1, 0.72]2 studies · 216 participantsLow
Ablation vs antiarrhythmic drug
Significant bradycardia or need for a pacemaker · people with non‐paroxysmal atrial fibrillation
Efficacy and safety of ablation for people with non‐paroxysmal atrial fibrillation (2016) · Cochrane
RR 0.2 [0.02, 1.63]3 studies · 261 participantsLow
Ablation vs antiarrhythmic drug
Periprocedural complications and other safety outcomes · people with non‐paroxysmal atrial fibrillation
Efficacy and safety of ablation for people with non‐paroxysmal atrial fibrillation (2016) · Cochrane
RR 0.94 [0.16, 5.68]3 studies · 261 participantsVery low
Hormone therapy vs placebo
Death (all‐causes) · Post‐menopausal women without prior cardiovascular disease
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 1 [0.89, 1.12]8 studies · 34422 participantsHigh
Hormone therapy vs placebo
Pulmonary embolism · Post‐menopausal women with pre‐exisiting cardiovascular disease
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 2.48 [0.92, 6.7]3 studies · 3920 participantsModerate
Intervention NR
Death (all‐causes) · Post‐menopausal women
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 0.7 [0.52, 0.95]5 studies · 9088 participantsModerate
Intervention NR
Coronary heart disease (death from cardiovascular causes and non‐fatal myocardial infarction) · Post‐menopausal women
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 0.52 [0.29, 0.96]4 studies · 8311 participantsModerate
Intervention NR
Stroke · Post‐menopausal women
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 1.37 [0.8, 2.34]3 studies · 8143 participantsHigh
Intervention NR
Venous thromboembolism · Post‐menopausal women
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 1.74 [1.11, 2.73]3 studies · 9838 participantsHigh
Intervention NR
Death (all‐causes) · Post‐menopausal women
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 1.06 [0.95, 1.18]12 studies · 27750 participantsHigh
Intervention NR
Coronary heart disease (death from cardiovascular causes and non‐fatal myocardial infarction) · Post‐menopausal women
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 1.07 [0.96, 1.2]12 studies · 23491 participantsHigh
Intervention NR
Stroke · Post‐menopausal women
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 1.21 [1.06, 1.38]8 studies · 22722 participantsHigh
Intervention NR
Venous thromboembolism · Post‐menopausal women
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 1.96 [1.37, 2.8]9 studies · 27475 participantsHigh
Hormone therapy vs placebo
Death (cardiovascular causes) · Post‐menopausal women without prior cardiovascular disease
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 0.81 [0.47, 1.4]3 studies · 28353 participantsHigh
Hormone therapy vs placebo
Stroke · Post‐menopausal women without prior cardiovascular disease
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 1.32 [1.12, 1.56]4 studies · 28719 participantsHigh
Hormone therapy vs placebo
Venous thromboembolism · Post‐menopausal women without prior cardiovascular disease
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 1.92 [1.24, 2.99]6 studies · 33477 participantsModerate
Hormone therapy vs placebo
Pulmonary embolism · Post‐menopausal women without prior cardiovascular disease
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
no estimate extracted3 studies · 31732 participantsModerate
Hormone therapy vs placebo
Death (all‐causes) · Post‐menopausal women with pre‐exisiting cardiovascular disease
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 1.04 [0.87, 1.24]7 studies · 5445 participantsHigh
Hormone therapy vs placebo
Death (cardiovascular causes) · Post‐menopausal women with pre‐exisiting cardiovascular disease
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 1 [0.78, 1.29]6 studies · 5259 participantsHigh
Hormone therapy vs placebo
Stroke · Post‐menopausal women with pre‐exisiting cardiovascular disease
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 1.09 [0.89, 1.33]5 studies · 5172 participantsModerate
Hormone therapy vs placebo
Venous thromboembolism · Post‐menopausal women with pre‐exisiting cardiovascular disease
Hormone therapy for preventing cardiovascular disease in post‐menopausal women (2015) · Cochrane
RR 2.02 [1.13, 3.62]6 studies · 4399 participantsHigh