Ortho Oracle - orthopaedic operative atlas

Radial Head Frx & MCL Instability

– Discussion:     – long-term result for excision of “isolated” radial head frx w/ competent MCL and interosseous membrane are predictably good;     – however, if frx is associated w/ disruption MCL radial head excision is contraindicated;            – instead, consider use of silastic or metallic radial head prosthesis to serve as … Read more

Radial Head Frx: Type II

          – Discussion:     – marginal radial head frx w/ displacement, depression, or angulation.     – by definition has less than 30% of articular involvement and more than 2 mm of displacement;     – motion may be blocked by articular step off; – Non Operative Treatment:     – decisions regarding treatment … Read more

RA: Extensor Tendon Rupture: (Vaughn-Jackson syndrome)

– See: – Rheumatoid Arthritis – Extensor Tendon Lacerations – Mallet Finger – Rheumatoid Wrist – Teno-synovectomy – Discussion: – ulnar side of wrist is most common site of extensor tendon ruptures; – pathophysiology: (caput ulnae syndrome) – this most often due to attritional changes due to caput ulnae syndrome; – volar subluxation of the … Read more

RA: Tendon Ruptures of the Thumb

– See:   – Flexor Pollicis Longus Rupture   – Extensor Pollicis Longus Rupture – Disscussion:     – rupture of EPL tendon is most common, usually occuring in the 3rd compartment in the area of Lister’s tubercle;     – rupture of FPL usually occurs in carpal area and must be considered in dx … Read more

Radial Artery

– See: Vascular Problems of the Wrist and Hand: – Radial Artery in the Forearm:       – in the mid forearm, the radial artery lies beneath the brachioradialis       – here the brachioradialis recieves arterial branches just below elbow; – Radial Artery in Wrist:     – at wrist ulnar artery … Read more

Quadriga

– Discussion:     – may result from over advancement of the FDP following tendon rupture or repair, from from proximal FDP adhesions, or may result from            arthrodesis of PIP joint of ring and long fingers;     – the result is weak grasp in remaining fingers due to FDP tethering by scar at … Read more