446 - Tourniquet-induced nerve compression injuries caused by high pressure levels and gradients

AST Member No. ■ My address has changed. The address below is the new address. Name Address City State Zip Telephone ■ Check enclosed  ■ Check Number a b c d a b c d 1 ■ ■ ■ ■ 11 ■ ■ ■ ■ 2 ■ ■ ■ ■ 11 ■ ■ ■ ■ 3 ■ ■ 13 ■ ■ ■ ■ 4 ■ ■ ■ ■ 14 ■ ■ ■ ■ 5 ■ ■ ■ ■ 15 ■ ■ ■ ■ 6 ■ ■ ■ ■ 16 ■ ■ ■ ■ 7 ■ ■ ■ ■ 17 ■ ■ ■ ■ 8 ■ ■ ■ ■ 18 ■ ■ ■ ■ 9 ■ ■ ■ ■ 19 ■ ■ ■ ■ 10 ■ ■ ■ ■ 20 ■ ■ ■ ■ #446   FEBRUARY 2021   1 CE CREDIT   $6 5. Pre-hospital tourniquets are designed for _____. a. Application times b. Pressure levels c. Pressure gradients d. Short-term uses 6. Which application has shown to enhance and accelerate patient recovery after sur- gery or injury? a. Pre-hospital tourniquets b. BFR therapy c. Tourniquet cuff design d. Increased tourniquet pressure 7. A recent study demonstrated that BFR may promote: a. Regenerative bone growth b. Ischemia c. Increased upper limb nerve endings d. Blood flow 8. Clinical studies over the past 50 years have demonstrated that the primary risk for tourniquet-related nerve injury is: a. Ischemia b. Stiffness c. Mechanical compression d. Tissue oedema 1. Which nerves are more susceptible to direct compression injury? a. Lower extremity nerves b. Upper extremity nerves c. Intercostal nerves d. Median nerves 2. Tourniquet compression nerve injuries are typically transient, however, when the applied pressure gradient is high there is a risk of _______. a. Axonal injury b. Axonal degeneration c. Fiber atrophy d. All of the above 3. True or false: According to this study, BFR therapy is an effective treatment method for joint-related procedures. a. True b. False 4. Limb occlusion pressure is defined as the _______ pressure required. a. Minimum b. Maximum c. Specific d. Duration 9. What are potential risk factors for tour- niquet-induced nerve damage? a. Obesity b. Age c. Underlying peripheral neuropathy d. All of the above 10. In clinical studies, which of the following factors have been shown to reduce pres- sure levels and pressure gradients? a. Use of wide tourniquet cuffs b. Appropriate use of tourniquets c. Both a and b d. Only a Make It Easy - Take CE Exams Online Y ou must have a credit card to pur- chase test online. We accept Visa, MasterCard and American Express. Your credit card will only be charged once you pass the test and then your credits will be automati- cally recorded to your account. Log on to your account on the AST homepage to take advantage of this benefit. If you want to mail in your CEs, but still want to pay by credit card, give us at call at 800-637-7433. Tourniquet-inducednervecompressioninjuries TOURNIQUET-INDUCEDNERVECOMPRESSIONINJURIES # 446 February2021 1 CECREDIT $6 FEBRUARY 2021 | The Surgical Technologist | 75