What do systematic reviews say?

Exercise vs no exercise

Exercise may leads to lower perioperative and postoperative complications: renal complications compared with no exercise (low certainty).

• Prehabilitation exercise therapy before elective abdominal aortic aneurysm repair 2021 · Cochrane Headline outcomes only
  RR 0.31 [0.11, 0.88]
  1 study · 124 participants
  Low

Exercise vs no exercise

It is very uncertain whether exercise changes perioperative and postoperative: need for re‐intervention compared with no exercise (very low certainty).

• Prehabilitation exercise therapy before elective abdominal aortic aneurysm repair 2021 · Cochrane Headline outcomes only
  RR 1.29 [0.33, 4.96]
  2 studies · 144 participants
  Very low

Exercise vs no exercise

It is very uncertain whether exercise changes perioperative and postoperative complications: postoperative bleeding compared with no exercise (very low certainty).

• Prehabilitation exercise therapy before elective abdominal aortic aneurysm repair 2021 · Cochrane Headline outcomes only
  RR 0.57 [0.18, 1.8]
  1 study · 124 participants
  Very low

Exercise vs no exercise

• Prehabilitation exercise therapy before elective abdominal aortic aneurysm repair 2021 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 147 participants
  Very low

Exercise vs no exercise

• Prehabilitation exercise therapy before elective abdominal aortic aneurysm repair 2021 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 212 participants
  Very low

Exercise vs no exercise

The review found no eligible studies for this question.

• Prehabilitation exercise therapy before elective abdominal aortic aneurysm repair 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Early open repair vs ultrasound surveillance

Early open repair leads to lower mortality ( compared with ultrasound surveillance (high certainty).

• Surgery for small asymptomatic abdominal aortic aneurysms 2020 · Cochrane Headline outcomes only
  HR 0.99
  2 studies · 2226 participants
  High

Early open repair vs ultrasound surveillance

Early open repair showed no clear difference in costs (per participant) ( compared with ultrasound surveillance (moderate certainty).

• Surgery for small asymptomatic abdominal aortic aneurysms 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 1090 participants
  Moderate

Early open repair vs ultrasound surveillance

• Surgery for small asymptomatic abdominal aortic aneurysms 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 2226 participants
  GRADE not reported

Early open repair vs ultrasound surveillance

• Surgery for small asymptomatic abdominal aortic aneurysms 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 2226 participants
  GRADE not reported

Early endovascular repair vs ultrasound surveillance

Early endovascular repair showed no clear difference in mortality ( compared with ultrasound surveillance (low certainty).

• Surgery for small asymptomatic abdominal aortic aneurysms 2020 · Cochrane Headline outcomes only
  RR 1.92 [0.73, 5.06]
  2 studies · 846 participants
  Low

Early endovascular repair vs ultrasound surveillance

Early endovascular repair showed no clear difference in costs ( compared with ultrasound surveillance (low certainty).

• Surgery for small asymptomatic abdominal aortic aneurysms 2020 · Cochrane Headline outcomes only
  MD 27
  1 study · 614 participants
  Low
• Surgery for small asymptomatic abdominal aortic aneurysms 2020 · Cochrane Headline outcomes only
  MD 2557
  1 study · 614 participants
  Low

Early endovascular repair vs ultrasound surveillance

• Surgery for small asymptomatic abdominal aortic aneurysms 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 605 participants
  GRADE not reported

Early endovascular repair vs ultrasound surveillance

• Surgery for small asymptomatic abdominal aortic aneurysms 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 1088 participants
  GRADE not reported

Intervention not reported

The review found no eligible studies for this question.

• Dressings and topical agents for arterial leg ulcers 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

• Dressings and topical agents for arterial leg ulcers 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 49 participants
  Very low

Intervention not reported

• Dressings and topical agents for arterial leg ulcers 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 49 participants
  Low

Intervention not reported

The review found no eligible studies for this question.

• Dressings and topical agents for arterial leg ulcers 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

EDTA vs placebo

EDTA showed no clear difference in all‐cause mortality compared with placebo (low certainty).

• Chelation therapy for atherosclerotic cardiovascular disease 2020 · Cochrane Headline outcomes only
  RR 0.97 [0.73, 1.28]
  2 studies · 1792 participants
  Low

EDTA vs placebo

It is very uncertain whether EDTA changes coronary heart disease death compared with placebo (very low certainty).

• Chelation therapy for atherosclerotic cardiovascular disease 2020 · Cochrane Headline outcomes only
  RR 1.02 [0.7, 1.48]
  1 study · 1708 participants
  Very low