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Biomedical subjects

F Kerschbaumer

Publications and source records attributed to F Kerschbaumer.

64 records · Page 4Linked to original sources
PubMed1975

[The results of innominate osteotomy].

With the aid of radiological and clinical functional criteria, the results of 33 hip joints, operated after the method of Salter, are analysed. As in most cases a femoral detorsion occurs as a result of the pelvic osteotomy, basic coupling of the pelvic osteotomy with a femoral osteotomy dose not appear to be necessary. The importance of necessity of exact adherence to the principles of surgical technique, as described by Salter, as well as pre and post operative care, is stressed.

Child↗
PubMedDate not supplied

[Non-hodgkin-lymphoma of low malignancy (immunocytoma) and arthritis of the glenohumeral joint].

AIM: Oligo- or monarthritis is reported as an uncommon complication of both acute and chronic leukemia. Childhood leukemias are complicated more frequently by leukemic arthritis (LA) than adult cases. LA occurs rather in acute than in chronic leukemia and can present at any stage of the disease. Proposed pathogenic mechanisms of arthritis in leukemia are leukemic infiltration of synovial tissue and resulting periosteal and capsular inflammation. As the primary manifestation of chronic lymphocytic leukemia (CLL) and immunocytoma (IC), LA is extremely rare. In such cases osteoarthritis may then be misdiagnosed as the source of joint disease. METHOD: We report a case of glenohumeral arthritis with complete rotator cuff tear and humeral head migration in an 88-year-old patient. Surgery exposed joint effusion, synovitis and chondromalacia with glenohumeral joint destruction. RESULTS: Histopathological examination revealed an articular chondrocalcinosis and bone marrow infiltration by an immunocytoma (B-cell non-Hodgkin lymphoma of low malignancy). CONCLUSION: Although LA is an uncommon complication in CLL and IC, it may be considered in elderly patients with lymphocytosis and arthritis.

Aged↗
PubMedDate not supplied

[Injury and overuse pattern in professional ballet dancers].

AIM: The purpose of the study was to show the injury profile and common discomforts of professional ballet dancers and to examine factors that affect the frequency of the injuries, like age, gender, regeneration activities. METHOD: 42 female and 35 male dancers in German theaters were evaluated by a questionnaire, training observation, and physical examination. RESULTS: Common discomfort was described frequently in the lumbar spine (88%), the knee (80.5%), and the ankle (74%). 285 injuries occurred in the female, 282 in the male dancers during a 5-year period. The most frequent injuries were muscle strains and inflammations, mostly of the lower extremity (64%) and the torso (24%). Gender differences were found in shoulder injuries, which occurred in 9% of cases in men, compared to 2.5% in women. 73% of the injuries considered as severe were traumatically caused when performing jumps and lifts. Severe overuse injuries were mostly found in the lower extremity and the lumbar spine, caused by technical deficiencies. 54% still suffered from the consequences of the injury by returning pain, swelling or instability. CONCLUSION: This high amount of injuries can be reduced by continuous technical improvement, the use of auxiliary material like joint-protectors or mats and enough time for regeneration.

Adult↗
PubMedDate not supplied

[Resorbable pin refixation of an osteochondral fracture of the lateral femoral condyle due to traumatic patellar dislocation: case management, follow-up and strategy in adolescents].

AIM: Intraarticular osteochondral fractures resulting from traumatic patellar dislocation in children are reported most frequently between 13 and 15 years of age. Fracture localization concerns, apart from loose intraarticular bodies, the inferiomedial patellar facet and the lateral femoral condyle. Osteochondral fractures of the lateral femoral condyle with more than 50 % of its surface are extremely rare and reported infrequently. METHOD: We report a traumatic patellar dislocation in a 14 year old patient that let to an osteochondral fracture of the lateral femoral condyle. MRI-scan demonstrated an extensive fracture size concerning more than 50 % of the condylar surface with intraarticular dislocation. Initially arthroscopic surgery followed an open reduction and internal refixation of the osteochondral fragment with resorbable, poly-p-dioxanon pins. RESULTS: Follow-up MRI-scan revealed 7 weeks after surgery an adequate repositioning of the fragment with correct pin placement. Second-look arthroscopy demonstrated an osteochondral reintegration of the fragment within a period of 7 months after prior surgery. CONCLUSION: Resorbable poly-p-dioxanon pins as a mean for refixation of an osteochondral, intraarticular fracture in an adolescent, with an arthroscopic confirmed acceptable result, seem to be a considerable therapy option.

Absorbable Implants↗
PubMedDate not supplied

[Total femur replacement following multiple periprosthetic fractures between ipsilateral hip and knee replacement in chronic rheumatoid arthritis. Case report of 2 patients].

Periprosthetic femur fractures are one of the most severe complications in hip surgery. Osteoporosis as seen in patients with rheumatoid arthritis could favour such fractures, which are located mostly between the stems of the hip and knee prostheses. A traumatic event is not even required. The fracture rate increases with predisposing factors, such as preliminary changes of the prosthesis or osteoporosis. This paper reports two patients with rheumatoid arthritis (males, 54 and 71 years old) with femur fractures after total hip and knee replacements. Both had a severe osteoporosis caused by a long-term steroid therapy. Consecutively, both patients showed refractures of the femur with loosening of the osteosynthetic material, so that a total femur replacement was required. However, both patients are able to walk. To reduce the risk of femur fractures between the tips of knee and hip prostheses it is advisable to use knee prostheses without a proximal intramedullary stem. In this way pressure stress is reduced.

Aged↗
PubMedDate not supplied

Grammont reverse total shoulder arthroplasty in patients with rheumatoid arthritis and nonreconstructible rotator cuff lesions.

This study was undertaken to determine whether patients with severe rheumatoid arthritis and irreparable rotator cuff rupture can be treated successfully with the Grammont shoulder arthroplasty. Seven patients with rheumatoid arthritis (8 shoulders) with nonreconstructible rotator cuff lesions and Larsen stage-V radiographic changes of the glenoid and the humeral head underwent a Grammont reverse shoulder arthroplasty. The Constant score improved from a mean of 17 points (range 4 to 25) preoperatively to a mean of 63 points (range 41 to 79) at a mean of 54 months (range 48 to 73) after shoulder arthroplasty. The mean strength at 90 degrees of abduction measured 3.6 kg (range 1 to 6). Shoulder instability was not observed. Complications included septic implant loosening (1 shoulder), aseptic glenoid loosening (2), and failed acromion osteosynthesis following the transacromial approach (3). These data of Grammont arthroplasty are encouraging with respect to restoration of stability and satisfactory function in rheumatoid, cuff-deficient shoulders. However, glenoid loosening remained a serious problem, and transacromial approaches were complicated by failure of acromial fixation.

Adult↗
PubMedDate not supplied

[Long-term results after yttrium treatment of the knee joint].

A group of 30 patients was followed for 5 and 8 years after yttrium treatment and the results are reported. There had been a significant pain relief. However, there was no definite improvement of swelling. Two and 5 years after the treatment the groups of patients who were in the ARA-stages I and II were significantly better than the patients in the ARA-stage III. The patients' sex and age and the duration of the disease had no influence on the general results.

Female↗
PubMedDate not supplied

[Prostaglandins E2 and F2 alpha concentrations in the synovial fluid in rheumatoid and traumatic knee joint diseases].

Prostaglandin E2 (PGE2) and F2 alpha (PGF2 alpha) concentrations in synovial fluid samples from 15 patients with various knee joint disorders were measured by radioimmunoassay. High concentrations of PGE2 wee found in all the samples obtained from patients with knee effusions due to various inflammatory processes as compared to the very low PGE2 levels in patients with osteoarthritis or traumatic effusions. The highest PGE2 levels were measured in knee joint effusions from patients with severe forms of rheumatoid arthritis. Two patients suffering from rheumatoid arthritis commenced with indomethacin (150 mg/day) after the first synovial fluid sample collection only. Some weeks later in a new sample a partial reduction of PGE2 concentration was found. The results of our investigations ar discussed with regard to possible correlations between prostaglandins and inflammation on the one hand and bone resorption associated with various pathological disorders on the other hand.

Arthritis, Rheumatoid↗
PubMedDate not supplied

[Arthroscopic synovectomy and radiosynoviorthesis].

Both procedures, radiosynoviorthesis and arthroscopic synovectomy, are well established in the local treatment of rheumatically deformed joints. By combining the two minimal invasive procedures one can increase the radicality and still decrease traumatization. A prospective study by Herresthal indicates the superiority of the combined therapy over the single nuclide therapy of knee joints in rheumatoid arthritis. This is due to the lesser traumatization as compared to the open synovectomy and to the possibility to remove fibrinous plaques which may impair the efficiency of radiosynoviorthesis. Histology, method and the respective indications regarding the joints of the upper and lower limbs are discussed.

Adult↗