Page 41 - JSOM Winter 2019

FIGURE 7 TX2 and TX3. TABLE 44 M2/RMT-T/TX2/TX3 Simplicity of Application
Total Part
Score Score Score Ease of Use n = Citation
100% Rated as Easy to apply
5 to Calf. 16 14
4.33 100% Rated as Easy to apply
5 16 14
to Forearm.
3 57% Rated as Easy. 110 42
Part
Score Score Steps to Complete n = Citation
5 RMT 4 steps. n/a 50
8.17 5 TX2/TX3 4 steps. n/a 51
Median 6.5 clicks (min 4 – 9
4 16 14
max) on calf application.
3.83 5 Median 3 clicks (min 0–5 16 14
max) on forearm application.
RMT-CBT – mean 12.30
2 20 31
clicks.
RMT-TAC – mean 14.80
2 clicks. 20 31
https://www.revmedx.com/tx-tourniquets/
TABLE 45 M2/RMT-T/TX2/TX3 Pressures
TABLE 42 M2/RMT-T/TX2/TX3 Occlusion Efficacy Total
Total Score Score Pressures n = Citation
Score Score Occlusion Efficacy n = Citation
94.55% combined success rate 5 263.2mmHg mean combined 322 Combined
pressures of all studies.
of arm and leg applications (110
applications to 55 individuals – 1 Interface pressure immediately
arm application and 1 leg with 5 after occlusion to arm – 110 42
8 application Doppler confirmation 110 42 172mmHg (± 62).
for 1 minute). 6 total failures 4.75 Interface pressure immediately
categorized 2 as User Error (same 5 after occlusion to leg – 200mmHg 110 42
as CAT7), 1 as over 300mmHg (± 45).
pressure and 3 as “Discomfort.” Strap occlusion pressures of
100% effectiveness of unexposed 328mmHg (median), 160mmHg
10 50 20 4 12 34
RMT. (minimum), 472mmHg
9.29 96% effectiveness exposed to 18 (maximum).
10 months on a metal roof in San 50 20
Antonio, TX. TABLE 46 M2/RMT-T/TX2/TX3 Specifications
9 100% occlusion. 10 19 Total
100% occlusion after prolonged Score Score Specifications Scoring
10 heat exposure (15–unexposed/ 30 23
1 – Yes /
1.5 inches
15–exposed). 1 Width – ≥1.5 inches (critical and 2 inches –1 – No
requirement).
Leg and arm application – >90% Length – ≥37.50 inches
8 success with no breakage or 44 27 or provide 35 inches 1 – Yes /
deformities reported. 1 circumferential (critical 38.5 inches –1 – No
10 100% occlusion. 20 31 requirement).
4 1 – Yes /
1 Locking Mechanism/ YES
TABLE 43 M2/RMT-T/TX2/TX3 Time of Application Method. 0 – No
Total 0 Time Recording. NO 1 – Yes /
Score Score Time (Speed) of Application n = Citation 0 – No
44.2 seconds (± 22.3) on 53 arm 1 Weight – <8 ounces (critical 4.2 oz 1 – Yes /
applications; initial strap tension for JFAK inclusion). –1 – No
5 28.8 seconds (± 17.0); tighten and 53 42
secure 15.4 seconds (± 12.3).
TABLE 47 M2/RMT-T/TX2/TX3 Complications and Safety
47.4 seconds (± 17.9) on 50 leg Total
applications; initial strap tension
5 50 42 Score Score Complications and Safety n = Citation
30.7 seconds (± 10.5); tighten and
secure 16.7 seconds (± 13.8). Unexposed RMT devices had
4.71 Application time – mean 24 seconds 100% effectiveness (50 of 50 tests),
5 100 20 4 whereas exposed devices had 96% 50 20
(22–35).
effectiveness (48 of 50 tests; all
3 Application time – 69 seconds 10 19 4.50 p = .495).
Leg application time – mean 58.68 Heat exposure was not associated
5 40 27
seconds (±22.96). 5 with tourniquet damage, inability 30 23
Arm application time – mean 52.5 to gain hemorrhage control, or
5 40 27
seconds (±28.8). inability to stop the distal pulse.
5 Application time – 29.27 seconds. 20 31
Recommended Limb Tourniquets in TCCC | 39