Hand Flashcards
What is the most important step in a 1st CMC arthroplasty for basilar thumb arthritis?
excision of trapezium
What is the most common cause of carpal tunnel syndrome in children?
Mucopolysaccharidosis
Which imaging modality should be used initially to evaluate suspected, chronic hook of the hamate fractures?
Carpal tunnel radiograph
The etiology of ______ is the entanglement of fetal parts in the amniotic membrane.
Constriction band syndrome
What is the best management of multiple metacarpal shaft fractures?
Open reduction and internal fixation
Which part of the thumb’s ulnar collateral ligament (UCL) is the primary restraint to radial deviation with MCPJ flexion?
Proper UCL
Which part of the thumb’s ulnar collateral ligament (UCL) is the primary restraint to radial deviation with MCPJ extension?
Accesory UCL
True or False? There are increased outcomes with ulnar nerve decompression at the cubital tunnel with transposition compared to simple decompression.
False
Which treatment method has been definitively shown in the literature to have a favorable outcome, and a high chance to return to pre-injury activities in patients with hook of the hamate fractures?
surgical excision
Fanconi’s Anemia (FA), thrombocytopenia absent radius (TAR), Holt-Oram syndrome, VACTERL syndrome, and VATER syndrome are all associated with which pediatric limb deformity?
Radial clubhand (radial deficiency)
Name four primary indications for hand replantation.
thumb, multiple digits, wrist level or proximal to the wrist, all most all parts in children
When surgically treating a trigger finger in a child, what structure may need to be released in addition to the A-1 pulley?
One or both limbs of the FDS tendon
In which race is post-axial polydactyly most common?
African Americans
Which peripheral nerves have the most favorable regenerative potential in restoring motor function after a graft repair within half a year after being injured?
radial, musculocutaneous, and femoral nerves
What are the primary deforming forces in Bennett and Rolando fractures?
abductor pollicus longus and adductor pollicus
Should leeches be used for venous thrombosis/congestion or arterial thrombosis?
venous thrombosis/congestion
What’s the most common associated condition with constriction band syndrome?
Club foot
Which clinical syndrome is associated with the FGFR 2 genetic mutation?
Apert syndrome
What vessel do the perforating arteries on a lateral forearm flap originate from?
Posterior radial collateral artery
Approximately what percentage of pre-operative grip strength would be expected 3 months after carpal tunnel release?
100%
What is the name of the pathologic structure that displaces the digital neurovascular bundle and places it at risk during during surgical treatment of Dupuytren’s disease?
spiral cord
What are the three stages (Watson) of SLAC wrist?
- Arthritis between scaphoid and radial styloid
- Arthritis between scaphoid and entire scaphoid facet of distal radius
- Arthritis between the capitate and lunate
What is the most important variable when deciding between reconstruction versus ablation of a hypoplastic thumb?
carpometacarpal joint stability
How long after flexor tendon repair should a child or mentally disabled adult be immobilized?
4 weeks
What is the most important factor influencing immediate and late outcome of digit replantation?
mechanism of digit amputation injury
