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Biomedical subjects

K D Moser

Publications and source records attributed to K D Moser.

12 recordsLinked to original sources
PubMed1991

Trauma involving the proximal tibial epiphysis.

Thirty injuries involving the proximal tibial epiphysis were treated during a period of 28 years. The epiphysis was displaced in 16 cases (53%). Three patients presented with peripheral ischemia on admission, and one patient with associated ipsilateral femoral fracture developed delayed thrombosis of the popliteal artery. The treatment results were satisfactory in 21 of the 27 (74%) who were reassessed according to Shelton's evaluation criteria after an average post-traumatic interval of 11.6 years. Three of the six patients with unsatisfactory outcome had a discrepancy in leg length of more than 2.5 cm after concomitant ipsilateral fracture of the femur or the tibia. One patient had a positive 3-cm anterior drawer sign, one patient had a 10 degree valgus deformity of the tibia, and one had to undergo above-knee-amputation because of delayed diagnosis of the vascular lesion.

Adolescent↗
PubMed1991

Percutaneous screw fixation for fractures of the scaphoid.

We describe a percutaneous technique for screw fixation of all types of fractures of the scaphoid. During a 15-year period ending in 1984, 280 cases were treated by this method; 198 of them returned for evaluation in 1986 and comprise the material for this report. After a mean postoperative time of 82 months, 89% of the recent fractures had united as well as 81.8% of those with delayed or nonunion and 42.8% of those with sclerotic nonunion.

Adult↗
PubMed1991

[Indications for percutaneous screw fixation of scaphoid fractures].

A total of 198 patients with scaphoid fracture who were treated by percutaneous screw fixation were reexamined after a mean postoperative time of 82 months. Sound radiological union and clinical healing were found in 89% of the recent fractures, 81.8% of fractures with delayed or nonunion and in 42.8% with sclerotic nonunion. Based on our experience, good results can be anticipated if the fracture is anatomically reduced and the screw correctly placed. In cases of carpal collapse, sclerotic nonunion, and or a very small proximal fragment, an open fixation method should be used.

Adolescent↗
PubMed1990

[Bore puncture wire tension fixation].

The simplicity of tension band wire fixation with Kirschner pins and wire loop explains the wide propagation of this operative method. The most frequent complication results from the migration of the pins. The development of an aperture pin eliminates this risk.

Biomechanical Phenomena↗
PubMed1988

[Partial intercarpal arthrodesis].

An intercarpal arthrodesis was performed in 21 patients with Kienböck's disease, scaphoid non-union, and instability of the wrist. In eight patients we used the method of Graner, in eight cases the procedure was an arthrodesis between scaphoid and lunate and in five cases an arthrodesis between other carpal bones. Eighteen of these patients were reviewed one to 14 years postoperatively. 30% were pain free, 40% had some residual pain, and 20% had moderate to severe pain. The range of motion in the wrist was restricted mainly in extension. In 40% we found arthrotic changes. Two cases resulted in an arthrodesis of the wrist. Based on the poor results found in this review, we feel the indications for intercarpal arthrodesis are very limited.

Adult↗
PubMed1987

[Subcutaneous profundus tendon rupture--reconstruction or primary arthrodesis].

Subcutaneous rupture of the flexor tendon is not as rare as described. Between 1972-1982 14 patients with ruptured flexor tendons were treated at the accident hospital in Linz. The average age was 34.8 years. In most of the cases we use primary arthrodesis with the Harrison-Nicolle-Peg, because the external fixation is very short and the method gives secure ankylosis or arthrodesis of the distal finger joint.

Adult↗
PubMed1987

[Microbore wires in osseous tendon ruptures of the distal finger joint].

Osteosynthesis with crossed Kirschner-wires is a common method for fracture stabilization. With wires of 0.8, 0.6, 0.5 and 0.4 mm thickness, small avulsion fractures of tendons in the digits are reduced and fixed anatomically. In cases of ideal closed reduction, percutaneous insertion of the wires is possible.

Arthrodesis↗
PubMed1986

[Penetrating carotid artery laceration--case report].

Immediate repair of carotid artery lacerations are imperative not only to prevent exsanguination but also for restoration of impaired cerebral blood flow. The preoperative neurological situation is responsible for the expected cerebral damage. We are reporting the case of a five year old boy, who survived without cerebral damage despite deep preoperative unconsciousness.

Carotid Arteries↗
PubMed1986

[Pseudarthroses of the scaphoid and its surgical treatment].

Sclerotic bone ends and failure of union have quite often resulted from scaphoid fractures due to relatively insufficient blood supply to the proximal fragment. Clearly manifest scaphoid pseudarthrosis can be repaired only by surgery. Transplantation of cancellous or corticocancellous bone in combination with freshening of the sclerotic bone ends are priorities on which emphasis is laid in such surgical intervention. 38 patients with scaphoid pseudoarthrosis received surgical treatment in the casualty ward of Linz, between 1976 and 1982. The shortest follow-up interval for 30 patients was twelve months. 4 surgical methods were used, the technique of Streli in 16 cases, that of Matti-Russe in 9 instances, the Matti technique in 3 cases, and the Russe-II approach in 2 cases. Bony union was achieved in 90 per cent of the above patients. The technique of Streli was used in most cases for postoperative immobilisation, that is forearm cast for six weeks, which differed from other methods in which axilla to palm cast is applied up to twelve weeks. This paper has been prepared, with the view to describing results obtainable from various surgical approaches to scaphoid pseudoarthrosis.

Adult↗