AAJT-S healthy volunteer and mannikin studies
Study | Number in study | Methodology | Occlusion of flow | Ease of use | Complication |
Lyon et al 23 | 9 | Single individual applied all AAJTs | 7/9 78% success | Applied in <1 min | Pain ranged moderate to severe Pain stopped when device removed Pain 7/10 |
Smith et al 24 | 17 (34 applications) | CMTs performed role of healthy volunteer and practitioner after 60 min training package | 27/34 79% success | Median time of application daylight 75 s, low light 57 s 4.4/5 user rating | Not reported |
Taylor et al 25 | 16 | Females excluded Application until CFA flow stopped or 300 mm Hg reached | 15/16 94% success | Not reported | Triphasic flow returned in all after 1 min |
Kragh et al 34 | 10 (120 applications) | Comparing four different FDA-approved devices
| AAJT 8/30 27% success | AAJT ranked 4/4 | 73% terminated early due to pain Pain 76/100 Significantly worse pain |
Kragh, 201432 | 9 (72 applications) | Four junctional tourniquets tested Healthy volunteers also acted as practitioners | 2/18 11% success | SJT and CRoC highest effectiveness and usability | All tourniquets considered safe No pain score reported |
Chen et al 26 | 14 | Mannikin study by Israeli Defence Force comparing four different devices | Not reported Mannikin study | No significant difference between models | AAJT device failed after multiple applications |
AAJT, abdominal aortic junctional tourniquet; CFA, common femoral artery; CMT, combat medical technician; CRoC, Combat Ready Clamp CRoC; FDA, Food and Drug Administration; JETT, Junctional Emergency Treatment Tool; SJT, SAM Junctional Tourniquet.