What do systematic reviews say?

High vs low blood pressure target

It is very uncertain whether high changes quality of life compared with low blood pressure target (very low certainty).

• High versus low blood pressure targets for cardiac surgery while on cardiopulmonary bypass 2022 · Cochrane Headline outcomes only
  RR 0.78 [0.3, 2.01]
  1 study · 218 participants
  Very low

Intervention not reported

The review found no eligible studies for this question.

• Beta‐blockers in patients without heart failure after myocardial infarction 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Dorsalis pedis] B‐mode ultrasound guidance vs palpation and landmarks

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Radial] B‐mode ultrasound vs Doppler assistance

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Radial] B‐mode ultrasound vs near‐infrared laser guidance

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Radial] B‐mode ultrasound vs modified B‐mode ultrasound

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Radial] In‐plane B‐mode ultrasound vs out‐of‐plane B‐mode ultrasound

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Radial] Doppler assistance vs palpation and landmarks

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Radial] Dynamic out‐of‐plane B‐mode ultrasound vs out‐of‐plane B‐mode ultrasound

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Axillary] B‐mode ultrasound guidance vs palpation and landmarks

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

[Radial] Oblique‐axis in‐plane B‐mode ultrasound vs long‐axis in‐plane B‐mode ultrasound

The review found no eligible studies for this question.

• Ultrasound guidance for arterial (other than femoral) catheterisation in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Nifurtimox vs placebo

The review found no eligible studies for this question.

• Trypanocidal drugs for late‐stage, symptomatic Chagas disease (Trypanosoma cruzi infection) 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Benznidazole vs placebo

The review found no eligible studies for this question.

• Trypanocidal drugs for late‐stage, symptomatic Chagas disease (Trypanosoma cruzi infection) 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Mechanical assist devices vs intra‐aortic balloon pump

The review found no eligible studies for this question.

• Mechanical assist devices for acute cardiogenic shock 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Usual care with ivabradine vs Placebo, no intervention or usual care (with or without placebo)

• Ivabradine as adjuvant treatment for chronic heart failure 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 179 participants
  Low
• Ivabradine as adjuvant treatment for chronic heart failure 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Usual care with ivabradine vs Placebo, no intervention or usual care (with or without placebo)

• Ivabradine as adjuvant treatment for chronic heart failure 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 2102 participants
  Low
• Ivabradine as adjuvant treatment for chronic heart failure 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 60 participants
  Low

Clinic‐based intervention vs usual care

• Disease management interventions for heart failure 2019 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 641 participants
  Low

Exercise vs no exercise

• Exercise‐based cardiac rehabilitation for adults with atrial fibrillation 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 224 participants
  Low
• Exercise‐based cardiac rehabilitation for adults with atrial fibrillation 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 224 participants
  Low

Rosuvastatin vs placebo

• Pharmacological interventions for treating heart failure in patients with Chagas cardiomyopathy 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 39 participants
  Very low

Carvedilol vs placebo

• Pharmacological interventions for treating heart failure in patients with Chagas cardiomyopathy 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 30 participants
  Very low