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PubMed2005

[Application of isoionic microtrauma arthroscope on treatment of knee arthropathy].

OBJECTIVE: To investigate the clinical application and curative effect of isoionic microtrauma arthroscope on treatment of knee arthropathy. METHODS: From May 2003 to November 2004, 52 cases of knee joint injury were cured by using isoionic microtrauma arthroscope, including 30 cases of knee osteoarthritis, 10 cases of meniscus injury, 5 cases of knee-cap dislocation, 5 cases of laxity of anterior cruciate ligation and 2 cases of rheumatoid arthritis. In accordance with Lysholm criterion for knee joint function, the scores were 35.5 +/- 4.9 before operation. RESULTS: All of these patients were followed up for 2-17 months. The scores of knee joint function was 86.4 +/- 5.3 after operation, and there was significant difference (P < 0.001). CONCLUSION: Isoionic microtrauma arthroscope is characterized by low-temperature hemoagglutination, crimping, boiling, cutting and hemostasis, which makes knee joint arthroscope operation easier-to-do, miner histological scathe and lighter side effect; so it is favourable for functional recovery and its curative effect is satisfactory.

Adolescent↗
PubMed1983

Effect of experimental patellar luxation on the knee joint in the rat.

In 16 male Wistar albino rats the patella was fixed to the lateral aspect of the lateral condylus of the femur. Animals with luxated knee joint and controls were sacrificed 7-9 months after surgery. Operated knee joints were processed for histology and subjected to morphometric analysis in comparison to the controls.- It was found that (1) the artificial disturbance of the femoro-patellar junction resulted in a severe destruction of articular cartilages of the tibio-femoral and femoro-patellar junction; (2) the destructions progressed with time; (3) there was no substantial difference between the changes of the medial and lateral articular surfaces of the femur and tibia; (4) changes comprised focal cartilage necrosis, widening of cartilaginous area under the tide-mark, proliferation of subchondral bone and formation of osteophytes; (5) the fact that a change of the statics of femoro-patellar junction leads to panarthrosis, moreover that articular capsule, menisci, epi-, meta-, and diaphyseal bone areas are also involved, indicate the complexity of the question. The findings indicated that changes of the femoro-patellar junction play a role in the degenerative processes of the knee joint. It is concluded that early recognition and treatment of femoro-patellar alterations may help in the prevention of knee panarthrosis.

Animals↗
PubMedDate not supplied

[Results of knee joint arthrolysis surgery (author's transl)].

This work reports the results of operative treatment of knee-stiffness from 1973-1981 in the Department of Orthopaedic Surgery, University Kiel. 42 out of 46 occurrences of age, were post-operatively controlled. In most cases the stiffness was of traumatic origin. In more than one half of the cases the pre-operative controlled. In most cases the stiffness was of traumatic origin. In more than half of the cases the pre-operative degree of motion was less than 60 degrees. Intraarticular revision alone or extraarticular revision alone or a combination of both and other bone surgery was performed in approximately 1/4 of the patients respectively. The absolute range of motion, an average of 58 degrees pre-operatively, improved to 114 degrees post-operatively. The mean relative improvement of motion, in regard to a norm of 140-0-0 degrees, was 68% at discharge. Among our patients complication were seldom. In our opinion operative arthrolysis in indicated cases is a tried and proven method for treatment of stiff knees.

Adolescent↗
PubMed1993

Tibial plateau fractures. Management and expected results.

The objective of treatment of tibial plateau fractures is precise reconstruction of the articular surfaces, stable fragment fixation allowing early motion, and repair of all concomitant lesions. A classification scheme is employed to include the high incidence of concomitant lesions in specific fracture types. The term "complex trauma" is used for extensive injuries involving multiple structural elements of the knee joint. Exact grading of the soft-tissue injury is crucial for the treatment plan. The authors suggest a four-grade classification system of closed and open soft-tissue injury. Preferred treatment is open reduction and internal fixation (ORIF) in all displaced and unstable tibial plateau fractures. A stepwise approach is used in complex knee trauma. Primary treatment includes closed reduction, wound debridement, if necessary, and external fixation of the femur and lower leg ("transfixation"). Open reduction and internal fixation and complex bone and soft-tissue reconstructions are performed in a second operation after recovery of the soft tissues. A follow-up study of 190 of 244 cases of tibial plateau fractures treated in the authors' institution from 1981 to 1987 showed good results after operative treatment, even in extensive fractures, with a tolerable complication rate. The functional recovery was relatively impaired in multiple injured patients and in complex knee trauma.

External Fixators↗