Characteristics of clinical studies of CV flow implants . Study characteristics extracted from systematic reviews and primary research reports on the safety and performance of selected CV flow implants Characteristics Arterial stents: Implants for AAA Implants for PDA IVC filters (2 SRs) & of included repair repair (1 SR) & (1 (1 RCT) Carotid (6 SRs) studies retrospective cohort Coronary(6 SRs) (4 SRs) xxxviii , & (1 study) Peripheral (5 SRs) retrospective comparative cohort) Carotid Coronary Peripheral Number of 11 to 41 10 to 28 4 to 14 5 to 32 7 2 and 8 included studies per SR Dominant 3 SRs were 5 SRs were 3 SRs were 2 SRs were limited to SR:23 All Level IV SRs: Levels II-IV design of limited to RCTs; 3 limited to limited to RCTs; 1 RCTs; 1 included RCTs Primary study:22 Level RCT=Level II included included a mix of RCTs; 1 included SRs & & registries; 1 included IV studies MAs, RCTs, cohort included RCTs RCTs; 1 included RCTs, observational studies, case & RCTs & case cohort studies & series & registry observational series registries studies studies
Characteristics of clinical studies of CV flow implants . Study characteristics extracted from systematic reviews and primary research reports on the safety and performance of selected CV flow implants Characteristics of included studies Arterial stents: Carotid (6 SRs) Coronary(6 SRs) Peripheral (5 SRs) Implants for AAA repair (4 SRs) xxxviii , & (1 retrospective comparative cohort) Implants for PDA repair (1 SR) & (1 retrospective cohort study) IVC filters (2 SRs) & (1 RCT) Carotid Coronary Peripheral Number of included studies per SR 11 to 41 10 to 28 4 to 14 5 to 32 7 2 and 8 Dominant design of included studies 3 SRs were limited to RCTs; 3 included a mix of MAs, RCTs, cohort studies, case series & registry studies 5 SRs were limited to RCTs; 1 included RCTs & observational studies 3 SRs were limited to RCTs; 1 included SRs & RCTs; 1 included RCTs & case series 2 SRs were limited to RCTs; 1 included RCTs & registries; 1 included RCTs, observational cohort studies & registries SR:23 All Level IV Primary study:22 Level IV SRs: Levels II-IV RCT=Level II
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