Page 35 - JSOM Winter 2019

Non-Pneumatic Tourniquets Recommended TABLE 11 CAT6 Time of Application
by CoTCCC Total
Score Score Time (Speed) of Application n = Citation
Combat Application Tourniquet, Generation 6
(CAT6) – SCORE: 41.74. 5 Application time – mean 21 seconds 100 20
(19–23).
The CAT6 was in production and fielded from September 2009 4 30 seconds mean time to occlusion. 10 22
to August 2015 and likely has the most combat uses of all limb 5 Application time – mean 31 seconds. 20 22
tourniquets. The CAT6 has been involved in the most limb 4 Application time – mean 31 seconds. 10 18
tourniquet studies since 2011 as both a comparison anchor for 3 Application time – mean 69 seconds. 10 19
other tourniquets as well as studies of real-world combat us- 5 Arm application – mean 15 seconds. 46 25
age. Though no longer in production, there possibly remains a 4.64
significant quantity of CAT6 tourniquets fielded in individual 5 Leg application – mean 18 seconds. 46 12
first aid kits and deployment stocks throughout the services. 5 Leg application time – mean 58.68 40 27
seconds (±22.96).
Arm application time – mean 52.5
5 40 27
seconds (±28.8).
FIGURE 2 5 33.8 seconds mean application time. 22 30
Combat
Application 5 Application time – 28.60 seconds 20 31
Tourniquet, mean.
Generation 6.
Courtesy North TABLE 12 CAT6 Simplicity of Application
American Total Part
Rescue, LLC. Score Score Score Ease of Use n = Citation
Ease of use score of 53%
Easy, 29% Neutral, 12%
https://www.narescue.com/all-products/massive-hemorrhage Very Easy, 5% Difficult,
/combat-application-tourniquet-c-a-t.html 1% Very Difficult – Likert
3 100 18
scale with a range of 5
TABLE 10 CAT6 Occlusion Efficacy numbers: 1: very difficult, 2:
difficult, 3: neutral, 4: easy,
Total and 5: very easy.
Score Score Occlusion Efficacy n = Citation CAT6 was either 29% Easy
10 99% effectiveness. 180 17 2 or 53% Neutral. 10 18
96% mean effectiveness in bleeding 3.83 100% Rated as Easy to apply
9 10 18 4 16 14
control 10 tests per tourniquet. to calf.
9 100% occlusion. 10 19 94% Rated as Easy / 6%
10 100% effectiveness of unexposed CATs. 50 20 4 Rated as Difficult to apply to 16 14
forearm.
82% effectiveness of exposed CATs
6 to 18 months on a metal roof in San 50 20 Application technique
Antonio, TX. 5 simplicity 100% Easy – 23 25
10 100% occlusion. 20 21 8.55 5.0 ± 0.2 out of 5.
9 100% occlusion. 10 22 5 Ease of Use rated overall 22 30
97.12%.
100% occlusion after prolonged heat
10 30 23 Part
exposure (15–unexposed/15–exposed). Score Score Steps to Complete n = Citation
100% occlusion on 15 forearm and
10 30 14 4 One-Handed – 7 steps. n/a 32
15 calf application. 5 Two-Handed – 6 steps. n/a 32
96% occlusion after 120 seconds of
10 application on 15 forearm and 15 30 14 5 59% of CATs required 3 166 33
calf applications. turns to be effective.
8.95 2.35 turns (Range 2–4) mean
10 100% effectiveness over improvised 20 24 5 20 21
on HapMed Tourniquet Trainer. 4.71 to occlusion.
6 86% occlusion on arm applications. 46 25 5 Median 2 turns (min 1–4 15 14
4 78% occlusion on leg applications. 46 25 max) on calf application.
100% occlusion on pediatric upper 5 Median 1 turn (min 0–3 max) 15 28
10 60 26 on forearm application.
extremities.
93% occlusion on pediatric lower 4 Mean 4.00 turns to 20 31
8 60 26 occlusion.
extremities.
Leg and arm applications – >90%
8 success with no breakage or 44 27
deformities reported.
10 99.6% Effectiveness assessing single 240 28
vs double-routing.
95.2% Effectiveness for unexposed
10 400 29
tourniquets.
10 97% occlusion. 22 30
10 100% occlusion. 20 31

Recommended Limb Tourniquets in TCCC | 33