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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. Every word you type has to appear somewhere in the question, and the closest matches are ranked first.
75,239 questions in 5,342 reviews
current versionsNo studies 15,213 · 20.2%Ungraded 10,323 · 13.7%Very low 17,528 · 23.3%Low 17,951 · 23.9%Moderate 11,190 · 14.9%High 3,034 · 4%
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.
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Surgical thrombectomy vs continuous infusion Technical Success · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 1.41 [0.96, 2.06] | 1 study · 31 participants | Very low |
Surgical thrombectomy vs continuous infusion Access dysfunction · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs continuous infusion Successful dialysis · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs continuous infusion Major adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 0.13 [0.01, 2.4] | 1 study · 31 participants | Very low |
Surgical thrombectomy vs continuous infusion Minor adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 0.19 [0.02, 1.43] | 1 study · 31 participants | Very low |
Surgical thrombectomy vs pulse spray technique Access dysfunction · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs continuous infusion Death · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Continuous Infusion vs pulse spray technique Patency at 30 days · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 0.92 [0.67, 1.27] | 1 study · 30 participants | Very low |
Continuous Infusion vs pulse spray technique Failure · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Continuous Infusion vs pulse spray technique Technical success · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 1.07 [0.89, 1.28] | 1 study · 30 participants | Very low |
Continuous Infusion vs pulse spray technique Access dysfunction · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Continuous Infusion vs pulse spray technique Successful dialysis · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Continuous Infusion vs pulse spray technique Major adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Continuous Infusion vs pulse spray technique Minor adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 1 [0.07, 14.55] | 1 study · 30 participants | Very low |
Continuous Infusion vs pulse spray technique Death · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Pharmacomechanical thrombolysis (Cragg® catheter) vs pulse spray technique Patency at 30 days · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs pulse spray technique Successful dialysis · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Pharmacomechanical thrombolysis (Cragg® catheter) vs pulse spray technique Failure · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Pharmacomechanical thrombolysis (Cragg® catheter) vs pulse spray technique Technical success · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 0.96 [0.87, 1.06] | 1 study · 77 participants | Very low |
Pharmacomechanical thrombolysis (Cragg® catheter) vs pulse spray technique Access dysfunction · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Pharmacomechanical thrombolysis (Cragg® catheter) vs pulse spray technique Successful dialysis · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Pharmacomechanical thrombolysis (Cragg® catheter) vs pulse spray technique Minor adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 1.98 [0.41, 9.57] | 1 study · 77 participants | Very low |
Pharmacomechanical thrombolysis (Cragg® catheter) vs pulse spray technique Major adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 1.58 [0.15, 16.71] | 1 study · 77 participants | Very low |
Pharmacomechanical thrombolysis (Cragg® catheter) vs pulse spray technique Death · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs different types of endovascular interventions Patency at 30 days · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 1.1 [0.73, 1.65] | 1 study · 115 participants | Very low |
Surgical thrombectomy vs different types of endovascular interventions Failure · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 0.66 [0.23, 1.89] | 1 study · 115 participants | Very low |
Surgical thrombectomy vs different types of endovascular interventions Technical success · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 1.15 [0.94, 1.41] | 1 study · 115 participants | Very low |
Surgical thrombectomy vs pulse spray technique Major adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 0.33 [0.02, 7.32] | 1 study · 20 participants | Very low |
Surgical thrombectomy vs different types of endovascular interventions Access dysfunction · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs different types of endovascular interventions Successful dialysis · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs different types of endovascular interventions Major adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 0.35 [0.01, 8.44] | 1 study · 115 participants | Very low |
Surgical thrombectomy vs different types of endovascular interventions Minor adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 5.26 [0.26, 107.27] | 1 study · 115 participants | Very low |
Surgical thrombectomy vs different types of endovascular interventions Death · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs pulse spray technique Minor adverse events · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs pulse spray technique Death · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | no estimate extracted | NR | No studies |
Surgical thrombectomy vs mechanical thrombectomy Patency at 30 days · thrombosed haemodialysis arteriovenous fistulas and grafts Interventions for thrombosed haemodialysis arteriovenous fistulas and grafts (2024) · Cochrane | RR 1.34 [1.07, 1.67] | 3 studies · 404 participants | Very low |
Intervention NR Total studies: 47 Total participants: 4398 · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,… Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane | no estimate extracted | 47 participants | Ungraded |
Intervention NR TXA given intra‐articularly at a total dose of 2 g intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,… Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane | no estimate extracted | 2 participants | Low |
Intervention NR TXA given intravenously at a total dose of 1 g intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,… Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane | no estimate extracted | 1 participants | Low |
Intervention NR TXA given orally at a total dose of greater than 3 g pre‐incision and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,… Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane | no estimate extracted | 3 participants | Very low |
Intervention NR TXA given orally at a total dose of 2 g pre‐incision · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,… Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane | no estimate extracted | 2 participants | Low |
Intervention NR TXA given intra‐articularly at a total dose of 1 g intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,… Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane | no estimate extracted | 1 participants | Low |
Intervention NR TXA given intravenously at a total dose of greater than 3 g intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,… Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane | no estimate extracted | 3 participants | Moderate |
Intervention NR TXA given intravenously and intra‐articularly at a total dose of 2 g pre‐incision and intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,… Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane | no estimate extracted | 2 participants | Very low |
Intervention NR TXA given orally at a total dose of 2 g pre‐incision and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,… Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane | no estimate extracted | 2 participants | Low |
Intervention NR TXA given intravenously at a total dose of 2 g pre‐incision and intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,… Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane | no estimate extracted | 2 participants | Very low |
Intervention NR TXA given intravenously at a total dose of 1 g pre‐incision and intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,… Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane | no estimate extracted | 1 participants | Moderate |
Intervention NR TXA given orally and intra‐articularly at a total dose of greater than 3 g pre‐incision, intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,… Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane | no estimate extracted | 3 participants | Moderate |
Intervention NR Aprotinin given intravenously · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,… Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane | no estimate extracted | NR | Low |
Intervention NR Desmopressin given intravenously · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,… Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane | no estimate extracted | NR | Low |