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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)

346 questions in 59 reviews · Vascular

current versions
No studies 346 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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
Prostanoids vs pentoxifylline
Quality of life · people with critical limb ischaemia
Prostanoids for critical limb ischaemia (2018) · Cochrane
no estimate extractedNRNo studies
Prostanoids vs lumbar sympathectomy
Intermittent and absolute claudication distances · people with critical limb ischaemia due to non‐reconstructable peripheral arterial disease
Lumbar sympathectomy versus prostanoids for critical limb ischaemia due to non‐reconstructable peripheral… (2018) · Cochrane
no estimate extractedNRNo studies
Prostanoids vs lumbar sympathectomy
Quality of life and functional status · people with critical limb ischaemia due to non‐reconstructable peripheral arterial disease
Lumbar sympathectomy versus prostanoids for critical limb ischaemia due to non‐reconstructable peripheral… (2018) · Cochrane
no estimate extractedNRNo studies
Endovascular revascularisation plus conservative therapy vs conservative therapy alone
Pain‐free walking distance (long‐term) · intermittent claudication
Endovascular revascularisation versus conservative management for intermittent claudication (2018) · Cochrane
no estimate extractedNRNo studies
Endovascular revascularisation vs no specific therapy
Quality of life (disease‐specific) · intermittent claudication
Endovascular revascularisation versus conservative management for intermittent claudication (2018) · Cochrane
no estimate extractedNRNo studies
High cell dose vs low cell dose
Wound ulcer healing · people with critical lower limb ischaemia
Autologous cells derived from different sources and administered using different regimens for 'no‐option'… (2018) · Cochrane
no estimate extractedNRNo studies
High cell dose vs low cell dose
Reduction in rest pain · people with critical lower limb ischaemia
Autologous cells derived from different sources and administered using different regimens for 'no‐option'… (2018) · Cochrane
no estimate extractedNRNo studies
High cell dose vs low cell dose
Improvement in lower limb perfusion: ABI · people with critical lower limb ischaemia
Autologous cells derived from different sources and administered using different regimens for 'no‐option'… (2018) · Cochrane
no estimate extractedNRNo studies
High cell dose vs low cell dose
Improvement in lower limb perfusion: TcO₂ · people with critical lower limb ischaemia
Autologous cells derived from different sources and administered using different regimens for 'no‐option'… (2018) · Cochrane
no estimate extractedNRNo studies
ASA vs placebo
Mortality · people with antiphospholipid antibodies and no history of thrombosis
Antiplatelet and anticoagulant agents for primary prevention of thrombosis in individuals with… (2018) · Cochrane
no estimate extractedNRNo studies
ASA vs placebo
Quality of life · people with antiphospholipid antibodies and no history of thrombosis
Antiplatelet and anticoagulant agents for primary prevention of thrombosis in individuals with… (2018) · Cochrane
no estimate extractedNRNo studies
ASA with LMWH vs placebo or IVIG
Mortality · people with antiphospholipid antibodies and no history of thrombosis
Antiplatelet and anticoagulant agents for primary prevention of thrombosis in individuals with… (2018) · Cochrane
no estimate extractedNRNo studies
ASA with LMWH vs placebo or IVIG
Quality of life · people with antiphospholipid antibodies and no history of thrombosis
Antiplatelet and anticoagulant agents for primary prevention of thrombosis in individuals with… (2018) · Cochrane
no estimate extractedNRNo studies
ASA + high‐dose LMWH vs ASA + low‐dose LMWH or UFH
Mortality · people with antiphospholipid antibodies and no history of thrombosis
Antiplatelet and anticoagulant agents for primary prevention of thrombosis in individuals with… (2018) · Cochrane
no estimate extractedNRNo studies
ASA + high‐dose LMWH vs ASA + low‐dose LMWH or UFH
Quality of life · people with antiphospholipid antibodies and no history of thrombosis
Antiplatelet and anticoagulant agents for primary prevention of thrombosis in individuals with… (2018) · Cochrane
no estimate extractedNRNo studies
Anticoagulant with or without ASA vs ASA only
Mortality · people with antiphospholipid antibodies and no history of thrombosis
Antiplatelet and anticoagulant agents for primary prevention of thrombosis in individuals with… (2018) · Cochrane
no estimate extractedNRNo studies
Anticoagulant with or without ASA vs ASA only
Quality of life · people with antiphospholipid antibodies and no history of thrombosis
Antiplatelet and anticoagulant agents for primary prevention of thrombosis in individuals with… (2018) · Cochrane
no estimate extractedNRNo studies
Stem cell therapy (any source) vs any other modality of treatment
Rate of amputation · individuals with thromboangiitis obliterans (Buerger's disease)
Stem cell therapy for treatment of thromboangiitis obliterans (Buerger's disease) (2018) · Cochrane
no estimate extractedNRNo studies
Stem cell therapy (any source) vs any other modality of treatment
Pain Measured using a validated pain score or scale, or quality of life questionnaire · individuals with thromboangiitis obliterans (Buerger's disease)
Stem cell therapy for treatment of thromboangiitis obliterans (Buerger's disease) (2018) · Cochrane
no estimate extractedNRNo studies
Stem cell therapy (any source) vs any other modality of treatment
Adverse effects Local or systemic inflammatory response, cardiovascular abnormalities, and thromboembolic complications · individuals with thromboangiitis obliterans (Buerger's disease)
Stem cell therapy for treatment of thromboangiitis obliterans (Buerger's disease) (2018) · Cochrane
no estimate extractedNRNo studies
Stem cell therapy (any source) vs any other modality of treatment
Amputation‐free survival · individuals with thromboangiitis obliterans (Buerger's disease)
Stem cell therapy for treatment of thromboangiitis obliterans (Buerger's disease) (2018) · Cochrane
no estimate extractedNRNo studies
Subcutaneous unfractionated heparin vs low molecular weight heparin
Asymptomatic VTE at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin for the initial treatment of venous thromboembolism (2017) · Cochrane
no estimate extractedNRNo studies
Subcutaneous unfractionated heparin vs intravenous unfractionated heparin
Asymptomatic VTE at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin for the initial treatment of venous thromboembolism (2017) · Cochrane
no estimate extractedNRNo studies
Metoprolol vs placebo
AAA‐related death, 6 months4 · patients of any age with AAA less than 30 mm in diameter
Pharmacological treatment of vascular risk factors for reducing mortality and cardiovascular events in… (2017) · Cochrane
no estimate extractedNRNo studies
VTE extended prophylaxis vs another VTE extended prophylaxis
All‐cause mortalitye · patients with unprovoked venous thromboembolism
Secondary prevention of recurrent venous thromboembolism after initial oral anticoagulation therapy in… (2017) · Cochrane
no estimate extractedNRNo studies
VTE extended prophylaxis vs another VTE extended prophylaxis
Strokeg · patients with unprovoked venous thromboembolism
Secondary prevention of recurrent venous thromboembolism after initial oral anticoagulation therapy in… (2017) · Cochrane
no estimate extractedNRNo studies
VTE extended prophylaxis vs another VTE extended prophylaxis
Myocardial infarction · patients with unprovoked venous thromboembolism
Secondary prevention of recurrent venous thromboembolism after initial oral anticoagulation therapy in… (2017) · Cochrane
no estimate extractedNRNo studies
VTE extended prophylaxis vs another VTE extended prophylaxis
VTE‐related mortalitya · patients with unprovoked venous thromboembolism
Secondary prevention of recurrent venous thromboembolism after initial oral anticoagulation therapy in… (2017) · Cochrane
no estimate extractedNRNo studies
Idrabiotaparinux vs idraparinux
Heparin‐induced thrombocytopenia ‐ not reported · people > 18 years of age with a diagnosed deep vein thrombosis
Pentasaccharides for the treatment of deep vein thrombosis (2017) · Cochrane
no estimate extractedNRNo studies
Low molecular weight heparin and idraparinux vs standard therapy
Major bleeding during the initial treatment · people > 18 years of age with a diagnosed deep vein thrombosis
Pentasaccharides for the treatment of deep vein thrombosis (2017) · Cochrane
no estimate extractedNRNo studies
Low molecular weight heparin and idraparinux vs standard therapy
All‐cause mortality · people > 18 years of age with a diagnosed deep vein thrombosis
Pentasaccharides for the treatment of deep vein thrombosis (2017) · Cochrane
no estimate extractedNRNo studies
Low molecular weight heparin and idraparinux vs standard therapy
Heparin‐induced thrombocytopenia · people > 18 years of age with a diagnosed deep vein thrombosis
Pentasaccharides for the treatment of deep vein thrombosis (2017) · Cochrane
no estimate extractedNRNo studies
Low molecular weight heparin and idraparinux vs standard therapy
All harmful effects · people > 18 years of age with a diagnosed deep vein thrombosis
Pentasaccharides for the treatment of deep vein thrombosis (2017) · Cochrane
no estimate extractedNRNo studies
Idraparinux vs standard therapy
Major bleeding during the initial treatment · people > 18 years of age with a diagnosed deep vein thrombosis
Pentasaccharides for the treatment of deep vein thrombosis (2017) · Cochrane
no estimate extractedNRNo studies
Idraparinux vs standard therapy
Heparin‐induced thrombocytopenia · people > 18 years of age with a diagnosed deep vein thrombosis
Pentasaccharides for the treatment of deep vein thrombosis (2017) · Cochrane
no estimate extractedNRNo studies
Fondaparinux plus vitamin K antagonist vs standard therapy
Heparin‐induced thrombocytopenia ‐ not measured · people > 18 years of age with a diagnosed deep vein thrombosis
Pentasaccharides for the treatment of deep vein thrombosis (2017) · Cochrane
no estimate extractedNRNo studies
Idrabiotaparinux vs idraparinux
Major bleeding during the initial treatment ‐ not reported · people > 18 years of age with a diagnosed deep vein thrombosis
Pentasaccharides for the treatment of deep vein thrombosis (2017) · Cochrane
no estimate extractedNRNo studies
Hand‐assisted laparoscopic repair vs EVAR
Long‐term complications (12 months or longer if reported) · People undergoing elective abdominal aortic aneurysm repair
Laparoscopic surgery for elective abdominal aortic aneurysm repair (2017) · Cochrane
no estimate extractedNRNo studies
Hand‐assisted laparoscopic repair vs EVAR
All‐cause mortality/survival (> 30 days) · People undergoing elective abdominal aortic aneurysm repair
Laparoscopic surgery for elective abdominal aortic aneurysm repair (2017) · Cochrane
no estimate extractedNRNo studies
Hand‐assisted laparoscopic repair vs EVAR
Length of ICU stay (days) · People undergoing elective abdominal aortic aneurysm repair
Laparoscopic surgery for elective abdominal aortic aneurysm repair (2017) · Cochrane
no estimate extractedNRNo studies
Vitamin K antagonists vs placebo
Clinically relevant non‐major bleeding Treatment duration 28 ‐ 42 days · people requiring prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair
Anticoagulants (extended duration) for prevention of venous thromboembolism following total hip or knee… (2016) · Cochrane
no estimate extractedNRNo studies
Vitamin K antagonists vs placebo
Minor bleeding Treatment duration 28 ‐ 42 days · people requiring prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair
Anticoagulants (extended duration) for prevention of venous thromboembolism following total hip or knee… (2016) · Cochrane
no estimate extractedNRNo studies
Anticoagulants (chosen at investigators' discretion) vs placebo
Clinically relevant non‐major bleeding Treatment duration 28 ‐ 42 days · people requiring prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair
Anticoagulants (extended duration) for prevention of venous thromboembolism following total hip or knee… (2016) · Cochrane
no estimate extractedNRNo studies
Anticoagulants (chosen at investigators' discretion) vs placebo
Minor bleeding Treatment duration 28 ‐ 42 days · people requiring prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair
Anticoagulants (extended duration) for prevention of venous thromboembolism following total hip or knee… (2016) · Cochrane
no estimate extractedNRNo studies
Vitamin K antagonists vs heparin
Bleeding ‐ clinically indicated non‐major Treatment duration 28 ‐ 42 days · people requiring prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair
Anticoagulants (extended duration) for prevention of venous thromboembolism following total hip or knee… (2016) · Cochrane
no estimate extractedNRNo studies
Heparin vs placebo
Clinically relevant non‐major bleeding Treatment duration 28 ‐ 42 days · people requiring prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair
Anticoagulants (extended duration) for prevention of venous thromboembolism following total hip or knee… (2016) · Cochrane
no estimate extractedNRNo studies