Dex IOT Day 5 Exam With Questions And Correct Answers

Dex IOT Day 5 Exam With Questions And Correct Answers What tendon is harvested for Scapholunate reconstruction? - Answer ECRB (extensor carpi radiali s brevis) Where is the insertion point of the ECRB? - Answer Base of 3rd met What suture should you use to whipstitch your tendon in a SL recon? - Answer 2-0 fiberloop How many guidewires come in the H&W IB? What size are they? - Answer 1.35 x3 What do you need to bring in addition to IB for an all-dorsal scapholunate? - Answer An additi onal 3.5x8.5 SL What do you need to bring in addition to IB for an interossoeus SL recon? - Answer 3x8 teno Lasso 3.5x8.5 dx swivelock What suture comes in hand and wrist IB? - Answer 1.3mm suturetape What is your bailout if the lunate tunnel is too short / small for a 3x8 teno screw? - An swer If the length of the tunnel is less than 8 mm, the body from a 3.5 mm DX SwiveLock SL anchor can be u sed. The tunnel should be overdrilled with the 3.5 mm drill if this fixation method is preferred. What bones should you pin for post op scapholunate repair? - Answer Scaphoid & capitate What direction does proximal carpal row move if SL tear? - Answer Scaphoid flexes volarly Triquetrum extends with lunate dorsally Indications to not repair SL ligament/ - Answer inflammatory arthritis, previous and/or curr ent infection, carpal arthrosis (SLAC wrist), irreducible carpus, pediatric patients, preexisting hardware in the carpal bones, large cystic changes in the carpal bones, and patients with unusually small anatomy. How many mm of threads are on 3.5x8.5 anchor? - Answer 4mm what are the 3 zones of the scaphoid? - Answer - distal pole - waist - proximal pole surgical treatment is indicated for which of the following findings on scaphoid fracture's? - Answer - displacement greater than 1mm - angulation greater than - comminuted fractures the transverse carpal ligament attaches to what two structures on the radial side? - Answer scaphoid and trapezium what nerve is responsible for sensory information of the tip of the index and long finger of the hand? - Answer median what area of the hand does the median nerve give sensory information? - Answer palmar aspect of the thumb, index, long finger, and radial half of the ring what anatomic structure sets the floor for carpal tunnel? - Answer proximal carpal row what is the significance of identifying kaplan's cardinal line when using the nanoscopic centerline for ECTR? - Answer identifies distal margin of transverse carpal ligament when doing ECTR what is the main reason a surgeon should avoid making an incision between the flex or carpi radialis and palmar longus tendon? - Answer they run the risk of innjuring the palmart cutaneo us branch of the median nerve what position is the thumb while tensioning the internal brace? - Answer 30 degrees flexion Skier's Thumb - Answer - acute tear of UCL - outside force cause - causes valgus stress of metacarpal Steiner Lesion - Answer UCL kicked from abductor AP neurosis Acute injury Palpable mass / edema Gamekeeper's thumb - Answer Chronic attenuation or overuse of UCL > pain and instability Timeline of UCL with IB versus without? - Answer Range of motion within 1st week Strengthening by 2 weeks (with IB) versus ROM 3-4 weeks, strengthening at 6 weeks What allows pinch grasp? - Answer UCL + collateral ligaments