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Biomedical subjects

J Krugluger

Publications and source records attributed to J Krugluger.

7 recordsLinked to original sources
PubMed2000

Chemonucleolysis and automated percutaneous discectomy--a prospective randomized comparison.

In this prospective study 22 patients with painful disc herniations were randomized either to chemonucleolysis (CN) or automated percutaneous discectomy (APD) Preoperatively the Oswestry score was 44 points in the CN group and 41 points in the APD group. Except for a longer duration of preoperative leg pain in the APD group, clinical data were approximately the similar same in the two groups. In the APD group there was one intra-operative complication. Open revision surgery in the same segment was performed once in the CN group and twice in the APD group. Improvement of neurologic deficits and of Owestry score was significant in both groups. At 2 years after surgery the CN treated patients were significantly better with respect to Oswestry score, back pain and leg pain recurrence.

Adult↗
PubMed1998

Uncemented Miller-Galante total knee replacement. The influence of alignment on clinical and radiological outcome in a 5 to 8-year follow-up.

Sixty-one primary uncemented Miller-Galante total knee replacements were implanted in 55 patients between June 1988 and December 1990. The results of routine radiological and clinical follow up carried out at an average of 1.3 years and 6.2 years after operation were used for evaluation. The Knee Society clinical score improved from 47.8 points before operation to 83.3 points one year after, and had progressed further to 87.6 points at the recent follow-up. The functional score improved from 45 points before operation to 75.23 points at early follow up, and 81.3 points at the recent review. Although radiological analysis showed that the femoral and tibial components overall were placed perpendicular to the mechanical axis of the limb, sufficient correction of the mechanical axis was not achieved to within +/- 10 mm deviation from the centre of the knee in 22 cases, with varus or valgus deformity remaining. No early or late infection occurred in this series. The uncemented Miller-Galante total knee replacement shows good biological fixation of both components. Wear of the metal-backed patellar and tibial polyethylene lead to a revision rate of 19% after 5 years.

Activities of Daily Living↗
PubMed1993

Bone reaction to uncemented threaded polyethylene acetabular components.

One hundred and eighty-one cementless total hip arthroplasties with threaded polyethylene acetabular components, carried out between 1980 and 1981, have been reviewed retrospectively. Discrepancy between the complaints of the patients with loose components and destruction of acetabular bone led to the development of a four stage radiological grading system which would enable loosening to be anticipated in routine cases. There was a high percentage of loosening (33%) in our series and direct bone-polyethylene contact gave rise to severe granulomatous reactions around the implants. Strict radiological follow up and early revision surgery is indicated in this type of arthroplasty.

Acetabulum↗
PubMed1991

Longterm analysis of Sheehan total knee arthroplasty.

Sheehan total knee arthroplasty was carried out in 405 knees at two centres. The patients were followed up from two to eleven years. The clinical results were assessed, the complications documented and the influence of specific factors on the result was evaluated. The principal complications arose from the patella and the femorotibial articulation. The low rate of loosening and the achievement of satisfactory alignment lead the authors to support the concept of a long stem.

Adult↗
PubMedDate not supplied

[Peripheral nerve lesions after total hip endoprosthesis].

AIM OF THE STUDY: Lesions of peripheral nerves are serious complications associated with total hip replacements. Prognostic factors and treatment concepts have not been sufficiently defined. Improvements can occur spontaneously. This study aimed to evaluate risk factors and diagnostic aids, such as the velocity of nerve conduction (VNC) and electromyography (EMG). Furthermore, the effect of prognostic factors as well as conservative and invasive therapeutic measures on the regression of clinical symptoms was examined. METHOD: From 1990 to 1996 1833 patients underwent total hip replacement. 1447 procedures were primary total hip replacements and 386 were revisions. 14 femoral nerve lesions (0.8%), 7 sciatic nerve lesions (0.4%) and 8 peroneal nerve lesions (0.4%) occurred. 19 patients were examined clinically, electromyographically and by means of VNC, 10 patients only clinically. In 5 patients a neurolysis was performed within the first postoperative year. All 29 patients underwent a recall examination in 1997 to evaluate the development of the clinical symptoms and if possible, VNC and EMG were performed. RESULTS: Of the 7 patients with sciatic nerve lesions, two were free from symptoms at the time of recall, two still complained about residual symptoms and two showed no improvement of the lesion. One patient did not appear for follow-up. Of the 8 patients with peroneal nerve lesions, five were free from symptoms at the time of their recent examination, two showed residual symptoms and one patient did not appear. Of the 14 patients with femoral nerve lesions, four had recovered completely, eight showed residual symptoms, one patient did not improve and one patient had died. CONCLUSIONS: Prognostic statements regarding the improvement after nerve lesions are possible only to a limited degree. However, it was found that the motor function tended to recover earlier than sensibility. We could not determine with clinical evaluations why some patients showed an improvement of their lesion while others did not. As well no clear correlation between the EMG and VNC results and the recession of the symptoms could be established.

Adult↗