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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
Summary of findings table ‐ Psychological treatment 1 vs psychological treatment 2
Depression remission ‐ short term (end of treatment) · health problem or population
Psychological and pharmacological interventions for depression in patients with coronary artery disease (2021) · Cochrane
OR 1.81 [0.73, 4.5]1 study · 83 participantsLow
Summary of findings table ‐ Psychological treatment 1 vs psychological treatment 2
All‐cause mortality ‐ short term (end of treatment) ‐ not reported · health problem or population
Psychological and pharmacological interventions for depression in patients with coronary artery disease (2021) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Psychological treatment 1 vs psychological treatment 2
Cardiovascular mortality ‐ short term (end of treatment) ‐ not reported · health problem or population
Psychological and pharmacological interventions for depression in patients with coronary artery disease (2021) · Cochrane
no estimate extractedNRNo studies
Coenzyme Q10 vs placebo or conventional therapy
All‐cause mortality · people with heart failure
Coenzyme Q10 for heart failure (2021) · Cochrane
RR 0.58 [0.35, 0.95]1 study · 420 participantsModerate
Coenzyme Q10 vs placebo or conventional therapy
Myocardial infarction · people with heart failure
Coenzyme Q10 for heart failure (2021) · Cochrane
RR 1.62 [0.27, 9.59]1 study · 420 participantsLow
Coenzyme Q10 vs placebo or conventional therapy
Stroke · people with heart failure
Coenzyme Q10 for heart failure (2021) · Cochrane
RR 0.18 [0.02, 1.48]1 study · 420 participantsLow
Coenzyme Q10 vs placebo or conventional therapy
Hospitalisation for heart failure · people with heart failure
Coenzyme Q10 for heart failure (2021) · Cochrane
RR 0.62 [0.49, 0.78]2 studies · 1061 participantsModerate
Coenzyme Q10 vs placebo or conventional therapy
Left ventricular ejection fraction (%) · people with heart failure
Coenzyme Q10 for heart failure (2021) · Cochrane
no estimate extracted7 studies · 650 participantsVery low
Coenzyme Q10 vs placebo or conventional therapy
Exercise capacity( · people with heart failure
Coenzyme Q10 for heart failure (2021) · Cochrane
no estimate extracted3 studies · 91 participantsVery low
Coenzyme Q10 vs placebo or conventional therapy
Adverse events · people with heart failure
Coenzyme Q10 for heart failure (2021) · Cochrane
RR 0.7 [0.45, 1.1]2 studies · 568 participantsLow
Exercise vs no exercise
All‐cause mortality · adults after heart valve surgery
Exercise‐based cardiac rehabilitation for adults after heart valve surgery (2021) · Cochrane
RR 0.83 [0.26, 2.68]2 studies · 131 participantsVery low
Exercise vs no exercise
Cardiovascular mortality · adults after heart valve surgery
Exercise‐based cardiac rehabilitation for adults after heart valve surgery (2021) · Cochrane
no estimate extractedNRNo studies
Exercise vs no exercise
All‐cause hospitalisation · adults after heart valve surgery
Exercise‐based cardiac rehabilitation for adults after heart valve surgery (2021) · Cochrane
RR 2.72 [0.11, 65.56]1 study · 122 participantsVery low
Exercise vs no exercise
HRQoL (SF‐12/36 mental component) at end of intervention · adults after heart valve surgery
Exercise‐based cardiac rehabilitation for adults after heart valve surgery (2021) · Cochrane
no estimate extracted2 studies · 150 participantsVery low
Exercise vs no exercise
HRQoL (SF‐12/36 physical component) at end of intervention · adults after heart valve surgery
Exercise‐based cardiac rehabilitation for adults after heart valve surgery (2021) · Cochrane
no estimate extracted2 studies · 150 participantsVery low
Exercise vs no exercise
HRQoL (SF‐12/36 mental component) at maximum · adults after heart valve surgery
Exercise‐based cardiac rehabilitation for adults after heart valve surgery (2021) · Cochrane
no estimate extracted2 studies · 139 participantsVery low
Exercise vs no exercise
HRQoL (SF‐12/36 physical component) at maximum · adults after heart valve surgery
Exercise‐based cardiac rehabilitation for adults after heart valve surgery (2021) · Cochrane
no estimate extracted2 studies · 139 participantsVery low
Intervention NR
All‐cause mortality at maximum · patients without heart failure
Beta‐blockers in patients without heart failure after myocardial infarction (2021) · Cochrane
RR 0.81 [0.73, 0.9]21 studies · 22085 participantsModerate
Intervention NR
Major cardiovascular events (cardiovascular mortality or non‐fatal myocardial infarction) at maximum · patients without heart failure
Beta‐blockers in patients without heart failure after myocardial infarction (2021) · Cochrane
RR 0.72 [0.62, 0.83]15 studies · 14994 participantsLow
Intervention NR
Serious adverse events at maximum · patients without heart failure
Beta‐blockers in patients without heart failure after myocardial infarction (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · patients without heart failure
Beta‐blockers in patients without heart failure after myocardial infarction (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Angina pectoris at maximum · patients without heart failure
Beta‐blockers in patients without heart failure after myocardial infarction (2021) · Cochrane
RR 1.04 [0.95, 1.13]5 studies · 7715 participantsLow
Intervention NR
Cardiovascular mortality at maximum · patients without heart failure
Beta‐blockers in patients without heart failure after myocardial infarction (2021) · Cochrane
RR 0.73 [0.61, 0.88]19 studies · 21763 participantsLow
Intervention NR
Myocardial infarction at maximum · patients without heart failure
Beta‐blockers in patients without heart failure after myocardial infarction (2021) · Cochrane
RR 0.76 [0.67, 0.86]19 studies · 19606 participantsModerate
Mobile phone interventions vs usual care
Objective measure of medication adherence: Cholesterol (low‐density lipoprotein) · people prescribed medication for primary prevention of cardiovascular disease
Mobile phone‐based interventions for improving adherence to medication prescribed for the primary prevention… (2021) · Cochrane
no estimate extracted5 studies · 5441 participantsLow
Mobile phone interventions vs usual care
Objective measure of medication adherence: Blood pressure · people prescribed medication for primary prevention of cardiovascular disease
Mobile phone‐based interventions for improving adherence to medication prescribed for the primary prevention… (2021) · Cochrane
no estimate extracted13 studies · 25166 participantsLow
Mobile phone interventions vs usual care
Combined CVD events · people prescribed medication for primary prevention of cardiovascular disease
Mobile phone‐based interventions for improving adherence to medication prescribed for the primary prevention… (2021) · Cochrane
no estimate extracted4 studies · 12439 participantsVery low
Mobile phone interventions vs usual care
Adverse events · people prescribed medication for primary prevention of cardiovascular disease
Mobile phone‐based interventions for improving adherence to medication prescribed for the primary prevention… (2021) · Cochrane
no estimate extracted6 studies · 8285 participantsModerate
Mobile phone interventions vs usual care
Cognitive outcome: satisfaction with treatment · people prescribed medication for primary prevention of cardiovascular disease
Mobile phone‐based interventions for improving adherence to medication prescribed for the primary prevention… (2021) · Cochrane
no estimate extracted2 studies · 2535 participantsLow
Beta‐blockers vs placebo or no treatment
Cardiovascular mortality (RR) · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
RR 0.78 [0.62, 0.99]3 studies · 1046 participantsLow
Mineralocorticoid receptor antagonists (MRAs) vs placebo or no treatment
Quality of life (MLHFQ): from 0 to 105 · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
no estimate extracted3 studies · 511 participantsLow
Angiotensin‐converting enzyme inhibitors (ACEIs) vs placebo or no treatment
Cardiovascular mortality (RR) · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
RR 0.93 [0.61, 1.42]2 studies · 945 participantsModerate
Angiotensin‐converting enzyme inhibitors (ACEIs) vs placebo or no treatment
Heart failure hospitalisation (RR) · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
RR 0.86 [0.64, 1.15]3 studies · 1019 participantsModerate
Angiotensin‐converting enzyme inhibitors (ACEIs) vs placebo or no treatment
Hyperkalaemia · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
no estimate extracted1 study · 74 participantsVery low
Angiotensin‐converting enzyme inhibitors (ACEIs) vs placebo or no treatment
All‐cause mortality (RR) · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
RR 1.04 [0.75, 1.45]5 studies · 1187 participantsModerate
Angiotensin‐converting enzyme inhibitors (ACEIs) vs placebo or no treatment
Quality of life (MLHFQ): from 0 to 105 · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
no estimate extracted2 studies · 154 participantsLow
Angiotensin receptor blockers (ARBs) vs placebo or no treatment
Cardiovascular mortality (RR) · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
RR 1.02 [0.9, 1.14]3 studies · 7254 participantsHigh
Angiotensin receptor blockers (ARBs) vs placebo or no treatment
Heart failure hospitalisation (RR) · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
RR 0.92 [0.83, 1.02]3 studies · 7254 participantsHigh
Angiotensin receptor blockers (ARBs) vs placebo or no treatment
Hyperkalaemia · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
RR 1.88 [1.07, 3.33]2 studies · 7148 participantsHigh
Angiotensin receptor blockers (ARBs) vs placebo or no treatment
All‐cause mortality (RR) · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
RR 1.01 [0.92, 1.11]4 studies · 7964 participantsHigh
Beta‐blockers vs placebo or no treatment
Heart failure hospitalisation (RR) · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
RR 0.73 [0.47, 1.13]4 studies · 449 participantsVery low
Angiotensin receptor blockers (ARBs) vs placebo or no treatment
Quality of life (MLHFQ): from 0 to 105 · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
no estimate extracted3 studies · 3117 participantsHigh
Angiotensin receptor neprilysin inhibitors (ARNIs) vs usual care
Cardiovascular mortality (RR) Median · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
RR 0.96 [0.79, 1.15]1 study · 4796 participantsModerate
Angiotensin receptor neprilysin inhibitors (ARNIs) vs usual care
Heart failure hospitalisation, first (RR) Range of · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
RR 0.89 [0.8, 1]2 studies · 7362 participantsModerate
Angiotensin receptor neprilysin inhibitors (ARNIs) vs usual care
Hyperkalaemia Range of · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
RR 0.88 [0.77, 1.01]2 studies · 5054 participantsModerate
Angiotensin receptor neprilysin inhibitors (ARNIs) vs usual care
All‐cause mortality (RR) Range of · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
RR 0.973 studies · 7663 participantsHigh
Angiotensin receptor neprilysin inhibitors (ARNIs) vs usual care
Quality of life Range of · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
no estimate extracted118 participantsHigh
Beta‐blockers vs placebo or no treatment
Hyperkalaemia · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
no estimate extracted1 study · 245 participantsVery low
Beta‐blockers vs placebo or no treatment
All‐cause mortality (RR) · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
RR 0.82 [0.67, 1]4 studies · 1105 participantsLow
Beta‐blockers vs placebo or no treatment
Quality of life (MLHFQ): from 0 to 105 · patients with chronic heart failure with preserved ejection fraction
Beta‐blockers and inhibitors of the renin‐angiotensin aldosterone system for chronic heart failure with… (2021) · Cochrane
no estimate extracted1 study · 93 participantsVery low