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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)

1,558 questions in 115 reviews · Vascular

current versions
No studies 346 · 22.2%Ungraded 90 · 5.8%Very low 281 · 18%Low 477 · 30.6%Moderate 313 · 20.1%High 51 · 3.3%

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
Transverse groin incision vs vertical groin incision
Neurological deficit (e.g. paresthesia) · patients undergoing surgery with femoral artery approach
Transverse versus vertical groin incision for femoral artery approach (2020) · Cochrane
no estimate extractedNRNo studies
Anticoagulant vs no intervention or placebo
Recurrence of VTE ( · people with distal DVT
Treatment of distal deep vein thrombosis (2020) · Cochrane
RR 0.34 [0.15, 0.77]5 studies · 496 participantsHigh
Anticoagulation for three months or more vs anticoagulation
Recurrence of DVT ( · people with distal DVT
Treatment of distal deep vein thrombosis (2020) · Cochrane
RR 0.32 [0.16, 0.64]2 studies · 389 participantsHigh
Anticoagulation for three months or more vs anticoagulation
PE ( · people with distal DVT
Treatment of distal deep vein thrombosis (2020) · Cochrane
RR 1.05 [0.19, 5.88]2 studies · 389 participantsLow
Anticoagulation for three months or more vs anticoagulation
Clinically relevant non‐major bleeding ( · people with distal DVT
Treatment of distal deep vein thrombosis (2020) · Cochrane
RR 1.76 [0.9, 3.42]2 studies · 389 participantsLow
Anticoagulation for three months or more vs anticoagulation
Overall mortality · people with distal DVT
Treatment of distal deep vein thrombosis (2020) · Cochrane
no estimate extractedNRNo studies
Anticoagulation for three months or more vs anticoagulation
Mortality related to PE ( · people with distal DVT
Treatment of distal deep vein thrombosis (2020) · Cochrane
no estimate extracted1 study · 197 participantsUngraded
Anticoagulant vs no intervention or placebo
Major bleeding ( · people with distal DVT
Treatment of distal deep vein thrombosis (2020) · Cochrane
RR 0.76 [0.13, 4.62]4 studies · 480 participantsLow
Anticoagulant vs no intervention or placebo
Recurrence of DVT ( · people with distal DVT
Treatment of distal deep vein thrombosis (2020) · Cochrane
RR 0.25 [0.1, 0.67]5 studies · 496 participantsHigh
Anticoagulant vs no intervention or placebo
PE ( · people with distal DVT
Treatment of distal deep vein thrombosis (2020) · Cochrane
RR 0.81 [0.18, 3.59]4 studies · 480 participantsLow
Anticoagulant vs no intervention or placebo
Clinically relevant non‐major bleeding ( · people with distal DVT
Treatment of distal deep vein thrombosis (2020) · Cochrane
RR 3.34 [1.07, 10.46]2 studies · 322 participantsHigh
Anticoagulant vs no intervention or placebo
Overall mortality ( · people with distal DVT
Treatment of distal deep vein thrombosis (2020) · Cochrane
RR 3.2 [0.13, 77.69]3 studies · 430 participantsLow
Anticoagulant vs no intervention or placebo
Mortality related to PE ( · people with distal DVT
Treatment of distal deep vein thrombosis (2020) · Cochrane
no estimate extracted3 studies · 430 participantsUngraded
Anticoagulation for three months or more vs anticoagulation
Recurrence of VTE ( · people with distal DVT
Treatment of distal deep vein thrombosis (2020) · Cochrane
RR 0.42 [0.26, 0.68]3 studies · 736 participantsHigh
Anticoagulation for three months or more vs anticoagulation
Major bleeding ( · people with distal DVT
Treatment of distal deep vein thrombosis (2020) · Cochrane
RR 3.42 [0.36, 32.35]2 studies · 389 participantsLow
Intervention NR
Severity of post‐thrombotic syndromeb ( · adults with PTS
Compression therapy for treating post‐thrombotic syndrome (2019) · Cochrane
no estimate extracted2 studies · 69 participantsVery low
Intervention NR
Adverse effects ( · adults with PTS
Compression therapy for treating post‐thrombotic syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Patient satisfaction and quality of life · adults with PTS
Compression therapy for treating post‐thrombotic syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Compliance rate · adults with PTS
Compression therapy for treating post‐thrombotic syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Severity post‐thrombotic syndromeb ( · adults with PTS
Compression therapy for treating post‐thrombotic syndrome (2019) · Cochrane
no estimate extracted2 studies · 47 participantsLow
Intervention NR
Adverse effects ( · adults with PTS
Compression therapy for treating post‐thrombotic syndrome (2019) · Cochrane
no estimate extracted1 study · 32 participantsModerate
Intervention NR
Patient satisfaction and quality of life ( · adults with PTS
Compression therapy for treating post‐thrombotic syndrome (2019) · Cochrane
no estimate extracted1 study · 32 participantsModerate
Intervention NR
Compliance rate · adults with PTS
Compression therapy for treating post‐thrombotic syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Effects of clinically‐indicated replacement vs routine change of peripheral intravenous catheters
Catheter‐related blood stream infection (during hospitalisation) · any patient requiring a PIVC expected to remain in‐situ for at least 3 days
Clinically‐indicated replacement versus routine replacement of peripheral venous catheters (2019) · Cochrane
RR 0.61 [0.08, 4.68]7 studies · 7323 participantsLow
Effects of clinically‐indicated replacement vs routine change of peripheral intravenous catheters
Thrombophlebitis (during hospitalisation) · any patient requiring a PIVC expected to remain in‐situ for at least 3 days
Clinically‐indicated replacement versus routine replacement of peripheral venous catheters (2019) · Cochrane
RR 1.07 [0.93, 1.25]7 studies · 7323 participantsModerate
Effects of clinically‐indicated replacement vs routine change of peripheral intravenous catheters
Thrombophlebitis (per device days) (during hospitalisation) · any patient requiring a PIVC expected to remain in‐situ for at least 3 days
Clinically‐indicated replacement versus routine replacement of peripheral venous catheters (2019) · Cochrane
RR 0.9 [0.76, 1.08]6 studies · 32709 participantsModerate
Effects of clinically‐indicated replacement vs routine change of peripheral intravenous catheters
All‐cause blood stream infection (during hospitalisation) · any patient requiring a PIVC expected to remain in‐situ for at least 3 days
Clinically‐indicated replacement versus routine replacement of peripheral venous catheters (2019) · Cochrane
RR 0.47 [0.15, 1.53]1 study · 3283 participantsModerate
Effects of clinically‐indicated replacement vs routine change of peripheral intravenous catheters
Cost (during hospitalisation) · any patient requiring a PIVC expected to remain in‐situ for at least 3 days
Clinically‐indicated replacement versus routine replacement of peripheral venous catheters (2019) · Cochrane
no estimate extracted3 studies · 4244 participantsModerate
Effects of clinically‐indicated replacement vs routine change of peripheral intravenous catheters
Infiltration (during hospitalisation) · any patient requiring a PIVC expected to remain in‐situ for at least 3 days
Clinically‐indicated replacement versus routine replacement of peripheral venous catheters (2019) · Cochrane
RR 1.16 [1.06, 1.26]6 studies · 7123 participantsModerate
Effects of clinically‐indicated replacement vs routine change of peripheral intravenous catheters
Catheter blockage (during hospitalisation) · any patient requiring a PIVC expected to remain in‐situ for at least 3 days
Clinically‐indicated replacement versus routine replacement of peripheral venous catheters (2019) · Cochrane
RR 1.14 [1.01, 1.29]7 studies · 7323 participantsModerate
Intervention NR
Primary patency rate at 4 yearsa · patients older than 50 years with asymptomatic PAA
Endovascular versus open repair of asymptomatic popliteal artery aneurysm (2019) · Cochrane
RR 1 [0.76, 1.32]NRModerate
Intervention NR
Assisted primary patency rate at 4 years · patients older than 50 years with asymptomatic PAA
Endovascular versus open repair of asymptomatic popliteal artery aneurysm (2019) · Cochrane
RR 1 [0.76, 1.32]NRModerate
Intervention NR
Hospital stay in days · patients older than 50 years with asymptomatic PAA
Endovascular versus open repair of asymptomatic popliteal artery aneurysm (2019) · Cochrane
no estimate extractedNRModerate
Intervention NR
Operating time in mins · patients older than 50 years with asymptomatic PAA
Endovascular versus open repair of asymptomatic popliteal artery aneurysm (2019) · Cochrane
no estimate extractedNRModerate
TNF‐α blockers intervention vs placebo or additional treatment
Treatment resistance · children with Kawasaki disease
TNF‐α blockers for the treatment of Kawasaki disease in children (2019) · Cochrane
RR 0.57 [0.38, 0.86]5 studies · 494 participantsLow
TNF‐α blockers intervention vs placebo or additional treatment
Incidence of coronary artery abnormalities · children with Kawasaki disease
TNF‐α blockers for the treatment of Kawasaki disease in children (2019) · Cochrane
RR 1.18 [0.45, 3.12]3 studies · 270 participantsLow
TNF‐α blockers intervention vs placebo or additional treatment
Adverse effects after treatment initiation: infusion reactions · children with Kawasaki disease
TNF‐α blockers for the treatment of Kawasaki disease in children (2019) · Cochrane
RR 0.06 [0.01, 0.45]3 studies · 250 participantsLow
TNF‐α blockers intervention vs placebo or additional treatment
Adverse effects after treatment initiation: infections · children with Kawasaki disease
TNF‐α blockers for the treatment of Kawasaki disease in children (2019) · Cochrane
RR 0.68 [0.33, 1.37]2 studies · 227 participantsLow
TNF‐α blockers intervention vs placebo or additional treatment
Adverse effects after treatment initiation: cutaneous reactions (rash) · children with Kawasaki disease
TNF‐α blockers for the treatment of Kawasaki disease in children (2019) · Cochrane
RR 4.71 [0.24, 90.69]1 study · 31 participantsVery low
TNF‐α blockers intervention vs placebo or additional treatment
Adverse effects after treatment initiation: cutaneous reactions (contact dermatitis) · children with Kawasaki disease
TNF‐α blockers for the treatment of Kawasaki disease in children (2019) · Cochrane
RR 0.31 [0.04, 2.68]1 study · 31 participantsVery low
TNF‐α blockers intervention vs placebo or additional treatment
Adverse effects after treatment initiation: injection site reactions, neutropenia, infections, demyelinating disease, heart failure, malignancy, and induction of autoimmunity. · children with Kawasaki disease
TNF‐α blockers for the treatment of Kawasaki disease in children (2019) · Cochrane
no estimate extractedNRNo studies
Drug‐eluting balloon angioplasty at 6 months vs uncoated balloon angioplasty at 6 months
Amputation · patients with in‐stent restenosis of the femoropopliteal arteries
Drug‐eluting balloon angioplasty versus uncoated balloon angioplasty for the treatment of in‐stent… (2019) · Cochrane
no estimate extracted3 studies · 263 participantsVery low
Drug‐eluting balloon angioplasty at 6 months vs uncoated balloon angioplasty at 6 months
Target lesion revascularization (TLR) · patients with in‐stent restenosis of the femoropopliteal arteries
Drug‐eluting balloon angioplasty versus uncoated balloon angioplasty for the treatment of in‐stent… (2019) · Cochrane
OR 0.05 [0, 0.92]1 study · 70 participantsVery low
Drug‐eluting balloon angioplasty at 6 months vs uncoated balloon angioplasty at 6 months
Binary restenosis · patients with in‐stent restenosis of the femoropopliteal arteries
Drug‐eluting balloon angioplasty versus uncoated balloon angioplasty for the treatment of in‐stent… (2019) · Cochrane
OR 0.28 [0.14, 0.56]2 studies · 189 participantsVery low
Drug‐eluting balloon angioplasty at 6 months vs uncoated balloon angioplasty at 6 months
Death · patients with in‐stent restenosis of the femoropopliteal arteries
Drug‐eluting balloon angioplasty versus uncoated balloon angioplasty for the treatment of in‐stent… (2019) · Cochrane
OR 0.93 [0.13, 6.71]3 studies · 263 participantsVery low
Drug‐eluting balloon angioplasty at 6 months vs uncoated balloon angioplasty at 6 months
Improvement ≥ 1 Rutherford category · patients with in‐stent restenosis of the femoropopliteal arteries
Drug‐eluting balloon angioplasty versus uncoated balloon angioplasty for the treatment of in‐stent… (2019) · Cochrane
OR 1.81 [1.02, 3.21]2 studies · 193 participantsVery low
Intervention NR
Deep vein thrombosis (DVT) · Hospitalised patients1
Graduated compression stockings for prevention of deep vein thrombosis (2018) · Cochrane
OR 0.35 [0.28, 0.43]20 studies · 2853 participantsHigh
Intervention NR
Proximal DVT · Patients hospitalised following acute myocardial infarction
Graduated compression stockings for prevention of deep vein thrombosis (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Pulmonary embolism · Patients hospitalised following acute myocardial infarction
Graduated compression stockings for prevention of deep vein thrombosis (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects and complications · Patients hospitalised following acute myocardial infarction
Graduated compression stockings for prevention of deep vein thrombosis (2018) · Cochrane
no estimate extractedNRNo studies