Spectrum of injury and treatment options for isolated dislocation of the scaphoid. A report of three cases.
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Adult↗
Biomedical subjects
C C Newland
Publications and source records attributed to C C Newland.
Gamekeeper's thumb.
The term gamekeeper's thumb is widely used interchangeably with skier's thumb in reference to acute or chronic tears of the ulnar collateral ligament of the thumb MCP joint. The frequency of thumb injury in alpine skiing has not changed with recent changes in pole design. Release of the pole from the hand prior to impact with the ground will minimize injury. Arthrogram may be a useful adjunctive technique to identify the presence of a Stener lesion and strengthen the indications for surgery in borderline cases. The sensitivity and specificity of this test have not been established. Current trends favor acute surgical repair for complete tears of the ulnar collateral ligament of the thumb MCP joint as documented by clinical examination with stress radiography. Good results are obtainable with late reconstruction, and comparable results have been noted with the most commonly used techniques.
Humans↗
Uncemented total hip arthroplasty with superior acetabular deficiency. Femoral head autograft technique and early clinical results.
A technique for primary uncemented total hip arthroplasty in the presence of a superolateral acetabular deficiency is described. The resected femoral head is used as an autograft. Matching reamers are used to ream the pseudoacetabulum and femoral head. Lag screw fixation is then performed and reaming of the graft and host bone simultaneously allows placement of an uncemented acetabular component. The hip center of rotation is returned to its anatomic center, the medial wall and subchondral bone are maintained, maximal contact and rigid fixation is obtained between femoral head autograft and host bone, and press fit of an uncemented cup is achieved. This method was applied to 10 consecutive hips in seven patients who had superior migration of the femoral head. The results were compared to those of 44 uncomplicated primary uncemented total hip arthroplasties during the same time period. While operative time and blood loss were increased in the bone graft cases, the early clinical results were equivalent to those of routine uncemented total hip arthroplasties.
Acetabulum↗
A technique of acetabular reconstruction for uncemented total hip replacement.
A technique for performing uncemented total hip replacement in the presence of osteoarthritis with proximal femoral migration is detailed. The femoral head is used as an autograft. The center of rotation of the hip is returned to its anatomic location, and subchondral bone is preserved. Rigid fixation of the graft is accomplished with matching reamers and AO lag screw fixation. Simultaneous reaming of graft and host bone produces a seamless transition to ensure graft loading. The goals of restoration of anatomic hip center, rigid press fit, and complete cup coverage are accomplished.
Acetabulum↗