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Biomedical subjects

F Kutscha-Lissberg

Publications and source records attributed to F Kutscha-Lissberg.

27 records · Page 2Linked to original sources
PubMed2001

[Internal fixation of subcapsular fractures of the femoral neck].

Beside of modern surgical and implant techniques and basic pathophysiological knowledge, internal fixation of subcapsular fractures of the neck of the femur is still known to be connected with a high rate of complications. Implant failure, the typical early complication arising within the first 3 months, non-union, avascular necrosis of the femoral head and late segmental collapse are the typical complications. The type of fracture, timing of operation (emergency operation), quality of reduction and implant positioning have all been shown to predict outcome significantly. However, it is also suggested that further therapeutical interventions like intra-articular pressure decrease by evacuation of hematoma, the kind and technique of reduction, special surgical techniques and postoperative treatment can influence outcome, as well as patient-associated factors like age, degree of osteoporosis, neurological disease, and alcoholism. The superiority of one of the 100 different existing implants have not been proved either by clinical or by biomechanical trials. However, besides screw osteosynthesis, the sliding screw plate and less often sliding nail plate implants are commonly used. Because of the very different biomechanical principles it is of great importance to adhere to the special operative techniques to avoid intraoperative complications that might cause treatment failure. To reduce the frequency of these almost always fatal and in special circumstances lethal complications, we need some more detailed information from good clinical trials and sufficient external quality assurance.

Femoral Neck Fractures↗
PubMed2001

How risky is early intramedullary nailing of femoral fractures in polytraumatized patients?

There is controversy over both the time of intervention and the technique of surgical stabilisation of femoral fractures in polytraumatized patients. Retrospective analysis of data on 55 such patients revealed that stabilisation within the first 24 h using locked, unreamed nails had no negative impact on the rate of pulmonary complications. The frequency of complications was assessed by comparing immediate intramedullary (IM) osteosynthesis with extramedullary stabilisation in patients with or without concomitant blunt thoracic trauma. Due to the small study population and discrepancies the size of subgroups, no definite statistical conclusions were possible. However, our results suggest that the frequency of complications is determined by the overall severity of injury rather than by the type of acute surgical treatment.

Adolescent↗
PubMed2001

Influence of low molecular weight heparin (certoparin) and unfractionated heparin on the release of cytokines from human leukocytes.

We analyzed the influence of heparins (unfractionated heparin, UFH and low molecular weight heparin certoparin) on the generation of IL-1ra, IL-6, IL-10, and IL-12p40 and from leukocyte fractions in vitro. Polymorphonuclear neutrophil leukocytes (PMN) and peripheral blood mononuclear cells (PBMC) from 16 different healthy donors were isolated and adjusted to 1 x 10(6) cells/ml supplemented RPMI 1640. Leukocyte fractions were differentially stimulated (PMN with 1 microg and 5 microg LPS, PBMC with 10 ng TSST- 1 or 2 microg ConA) in the presence or absence of heparins (1 U/ml, 2 U/ml, and 4 U/ml) for 24 h at 37 degrees C. Cytokine release was analyzed by ELISA. Certoparin but not UFH led to a dose-dependent increase in IL-6 from non-stimulated PBMC. In contrast, the release of IL-1ra, IL-10, and IL-12p40 was not modulated by heparins in a dose-dependent fashion. Increases in these cytokines occurred only as single incidents at intermediate heparin levels. An influence of the heparins on the apoptosis of PMN (measured as DNA-fragmentation in non-stimulated or LPS-stimulated cell-fractions) was not observed.

Cytokines↗
PubMed2001

[Long-term results after resection arthroplasty according to Girdlestone for treatment of persisting infections of the hip joint].

INTRODUCTION: Persisting infections of the hip joint are regarded as one of the most feared complications following total hip arthroplasty or failed osteosynthetic treatment of fractures of the proximal femoral part. In these cases resection arthroplasty according to Girdlestone often is the ultimate treatment. METHODS: Twenty-seven patients (11 men and 16 women) who had undergone resection arthroplasty according to Girdlestone could be included in this study. In all cases Girdlestone operations had been performed because of persisting infections of the hip joint. The mean follow-up was 7.1 years. RESULTS: In 22 out of 27 cases (81.5%) eradication of the infection was finally achieved. At the time of re-evaluation 6 patients had no pain, 12 sometimes suffered from moderate pain, 7 from pain during physical activities and 2 patients experienced pain even at rest. At the time of follow-up, 11 patients used a cane, 14 patients needed two canes or crutches and in 2 cases a wheelchair was necessary. The mean shortening of the leg was 5.2 cm (range 3-15 cm). Clinical evaluation using the score according to Merle d'Aubigné and Postel to assess the functional results showed a mean of 6.7 points (range 2-10 points). Of our patients, 59.3 % were satisfied with the functional results obtained. CONCLUSION: In the long run the Girdlestone procedure still seems to be a reasonable salvage operation for persisting deep infections following hip surgery.

Activities of Daily Living↗
PubMed2000

[Fatal soft tissue infections after arthroscopy of the knee joint. A diagnostic or therapeutic problem?].

After detection of a bacterial infection of the joint, an absolute indication for intervention is given. Systemic antibiotic drug therapy is indicated and drainage of the joint has to be performed immediately. The following therapeutic algorithm regimen is a proven remedy in treating pyoarthrosis of the knee joint: During the initial period, the infection can be controlled by arthroscopic irrigation and systemic antibiotic therapy. Depending on the progredient findings or if the symptoms persist, curing the joint by open synovectomy is the next step of treatment. If open joint revision including synovectomy is not performed or is performed too late, there will be a threat of irreversible damage of the afflicted joint up to septic spread endangering the patient's life. We report on two patients suffering from generalized sepsis resulting in death after delayed therapy for knee joint infection. Regarding the presented cases, it can be concluded that indication to early surgical joint debridement including open synovectomy of the knee is still rarely seen after development of pyoarthritis.

Algorithms↗
PubMed2000

[Fracture management in the aged].

Fracture care in a geriatric population should lead to a mobilisation with full weight bearing as soon as possible after the accident. Osteoporosis and associated preexisting disease influences the kind of fracture care as well as the social situation. A retrospective analysis of 888 consecutive patients from 1994 to 1998 showed that the fracture risk for a second independent bony lesion was 5.2% in this population with a mean age of 83.4 years (75 y-97.2 y). 946 fractures were treated operatively with a overall reoperation rate of 10%. 3.1% were soft tissue revisions due to infection, 2.0% were because of implant failure in connection with a deep infection and 5.2% of the reoperation were indicated because of implant failure alone. Distribution of complications showed the advantage of closed, indirect reduction and intramedullary devices and primary hemiarthroplasty in femoral and humeral head fractures.

Aged↗
PubMed1999

Results of spinal cord decompression and thoracolumbar pedicle stabilisation in relation to the time of operation.

Short-segment pedicle stabilisation, transpedicular disc resection and autologous cancellous bone grafting is performed in trauma patients being transferred to our trauma centre with thoracolumbar fracture/dislocations. A follow-up examination of 88 patients, who were operated during the years of 1985-1992, took place after an average time of 5.6 years. Our results suggest that the earlier operative decompression and spine stabilisation takes place, the better is the recovery rate in patients with neurologic deficits. The highest neurologic recovery rates were found in patients operated within 8 h after the initial trauma. High remission rates were still found, if the patients had been operated within 48 h. After this time there was no significant difference in the neurologic outcome compared to the time of operation.

Adult↗
PubMed1992

[Treatment procedure in humeral shaft fractures with primary or secondary radial nerve damage].

We give an account of 28 patients with fractured humerus diaphysis, suffering from primary and seven patients suffering from secondary lesion of the radialis nerve, all treated by operation. In each case the radialis nerve was exposed and the fracture was treated by fixation with compression plates. In case of primary lesions of the radialis nerve, we found intraoperative damages by traction (six times), contusions (seven times), intraneural hämatomas (six times) and for one time perforation of the nerve by bones. The rest of this group (eight times) did not show any pathological finding. Those patients with secondary lesion of the radialis nerve showed damages by traction (three times) and in two cases the nerve was walled up by callus or connective tissue. Two times we could not find any pathological alteration of the nerve. 23 (six) out of 28 (seven) patients with primary (secondary) lesion of the radialis nerve could be followed up. On this occasion we stated complete neurological restitution 20 times (four times) and incomplete restitution three times (two times). The great number of pathological findings, which necessitate operative treatment, the short duration of remission and the high rate of restitution confirm us to leave the way of conservative treatment in cases of primary or secondary lesion of the radialis nerve and the indication of acute operation is given.

Adolescent↗