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Biomedical subjects

R Deutman

Publications and source records attributed to R Deutman.

At least 19 recordsLinked to original sources
PubMed1996

[Rupture of the quadriceps tendon; cannot be missed?].

In four patients, two men aged 59 and 68 years and two women aged 59 and 50 years, a unilateral rupture of the quadriceps tendon was diagnosed. In two patients the disease was initially misdiagnosed. A depression was palpable in all patients just on the proximal side of the patella. All patients were treated operatively and all recovered with satisfactory knee function. In order to obtain full recovery early aetiological diagnosis is important; quadriceps tendon rupture should be considered in patients with haemarthrosis and inability to stretch the knee.

Aged↗
PubMed1996

Spondylolisthesis with sciatica. Magnetic resonance findings and chemonucleolysis.

Fifteen patients with bilateral lumbar isthmic spondylolisthesis and unilateral sciatica were examined with magnetic resonance imaging. All patients had a disc protrusion at the level of the spondylolisthesis. Nine patients had a central herniated disc that caused dural sac deformation; in 6 of these patients there was extension to the disc tissue into the foramen. In 5 patients there was no clear dural sac deformation, but there was a foraminal disc protrusion that caused nerve root compression. In 1 patient there was a hernia lateral to the foramen. In none of the patients was there evidence of compression by bony elements. No abnormalities on adjacent levels were found. All 15 patients were treated with chemonucleolysis. There were no complications. A followup study was done after 19 months (range, 10-42 months). The result was rated as good or excellent in 10 of 12 patients with a spondylolisthesis of L5 and in 1 of 3 patients with a spondylolisthesis of L4. Magnetic resonance imaging showed a decrease in dural sac deformation in 4 patients, no clear decrease in 3, and a slight increase in 2. There were no distinct foraminal changes in 9 of 11 patients.

Adult↗
PubMed1995

Isthmic lumbar spondylolisthesis with sciatica: the role of the disc.

Thirty-one patients with isthmic spondylolisthesis were investigated using MR imaging. Twenty-one of these patients had selectively unilateral sciatica and no abnormalities on adjacent discs. In 18 patients there was a clear correlation between the degree of foraminal stenosis and the symptomatic side. In 20 patients there was evidence of root compression by disc tissue.

Adult↗
PubMed1994

Stanmore total hip replacement. A 15- to 16-year clinical and radiographic follow-up.

In 1988 we reported a ten-year review of 83 surviving patients from a group of 135 (146 prostheses) who had undergone primary hip replacement using the Stanmore prosthesis. We have now reviewed 44 of these patients at 15 to 16 years. Four patients had undergone revision, but the other 40 were all satisfied with the result of their hip replacement, 36 having little or no pain. Functional activities had decreased, but were still adequate for their average age of 81 years. There had been definite migration of the cup and/or femoral component in three hips, wear of the cup in ten and resorption of the calcar in six. Of the 24 hips inserted with radiopaque cement, eight showed an increase in radiolucent lines at the acetabular interface. The cumulative survival rate of the prosthesis was 91% at 15 to 16 years.

Activities of Daily Living↗
PubMed1991

Chemonucleolysis in the herniated L3-L4 disk.

In a continuous series of 770 patients with a herniated disk treated by chemonucleolysis, 16 patients had herniation of the L3-L4 disk (2.1%). There were no complications, and none of these 16 patients had open surgery after the initial treatment. A follow-up study was performed after 39 months (range, six to 80 months) in 15 patients. Three patients were for the most part satisfied and 12 patients were fully satisfied with the result of treatment. Residual pain was minor in most patients. Roentgenographic signs of increased disk degeneration were seen in six patients, and reexpansion of the disk to some degree was noted in four patients. Chemonucleolysis is effective for treatment of the herniated L3-L4 disk.

Adult↗
PubMed1990

[Impingement syndrome of the shoulder in patients younger than 40 years, treated with partial acromion resection].

A retrospective analysis is reported of the results of partial acromioplasty of 22 shoulders in 19 patients with impingement problems. The population is younger than 40 years (mean 31). Four patients did not improve (18%). One (5%) showed a poor result and 14 patients (17 shoulders) (77%) had good or excellent results. The mean follow-up period was almost 3 years.

Acromion↗
PubMed1988

Stanmore total hip replacement. A nine- to ten-year follow-up.

Between February 1975 and August 1976, 195 total hip replacements using Stanmore components were performed; of these, 146 were in 135 patients who had not had previous hip surgery. At review 52 had died, but none of the others was lost to follow-up. Of the 52, two had had a second operation, one for infection and one for recurrent dislocation. In the remaining 83 patients (92 hips) five revisions were necessary: four for aseptic loosening, and one for stem fracture. The remaining 78 patients had little or no pain and little restriction of activity. After a follow-up period of at least nine years, the survival rate of the prosthesis was 95%. There had been migration of the femoral component in five cases and migration of the acetabular cup in one case, but no wear of the acetabular component could be demonstrated.

Adult↗
PubMed1986

Computed tomography (CT) analysis of the effects of chemonucleolysis.

Computed tomography (CT) was performed on 30 patients with herniated lumbar discs before chemonucleolysis and at three and 12 months postinjection. At three months the compression produced by the herniated disc was reduced in 20 of the 30 patients; at 12 months there was complete relief of compression in all but four patients. Twenty-four patients developed diffuse bulging of the annulus. There was good correlation between the clinical results at three months and the reduction in compression as shown by the CT scan. At 12 months, no correlation was found between the remaining focal abnormalities and the clinical result. None of the patients developed epidural fibrosis. Chemonucleolysis has thus been shown to be an effective treatment of herniated lumbar discs, but it is definitely not indicated in cases where compression of the nerve root or dural sac is due to a bulging annulus.

Adult↗
PubMed1984

The effects of chemonucleolysis as demonstrated by computerised tomography.

Computerised tomography (CT) was performed in 30 patients with herniated lumbar discs; this was done both before chemonucleolysis and three months after. In 20 of the 28 patients who were CT positive, the compression produced by the herniated disc was eliminated or reduced. Twenty-three of the 28 patients developed diffuse bulging of the annulus. There was good correlation between the clinical results at three months and the alteration in compression as shown by the CT scan. No evidence of alteration in the bony relationship was seen in the scan and none of the patients developed epidural fibrosis. Chemonucleolysis has thus been shown to be an effective treatment of herniated lumbar discs, but it is definitely not indicated in cases where compression of the nerve root or dural sac is due to a bulging annulus.

Adult↗
PubMed1977

Metal sensitivity before and after total hip arthroplasty.

Of 212 patients undergoing total hip replacement who were tested preoperatively for sensitivity to nickel, chromium, and cobalt, fourteen showed sensitivity. No sensitivity to the bone cement was recorded. Of 173 patients who had never had a metal implant before, 5.8 per cent showed a positive reaction. Two patients out of fifteen with a failed McKee-Farrar prosthesis were found to be sensitive. Of six patients who had a stable McKee-Farrar prosthesis in the other hip, none showed sensitivity to the metal. In four of sixty-six patients, sensitivity to nickel or cobalt developed after the implantation of a metal-to-plastic prosthesis. No patients were sensitized to the cement. The consequences of proved hypersensitivity in patients with metal-to-plastic prostheses, either present prior to insertion of the prosthesis or evoked by the implant material, are not known.

Aged↗