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Biomedical subjects

R V Lindholm

Publications and source records attributed to R V Lindholm.

At least 19 recordsLinked to original sources
PubMed1990

Mineral density of the os calcis in primary osteoarthritis of the hip and geriatric femoral neck fractures.

The calcaneal bone mineral density (BMD) was measured in 22 female patients operated on for femoral neck fractures on average 4.7 years ago, and 35 patients who had undergone total hip replacement for primary osteoarthritis on average 3.7 years ago, to test the hypothesis of an inverse relationship between bone density and osteoarthritis. After adjustment for the linear correlation between age and BMD, there was no significant difference between the groups with regard to BMD of the os calcis.

Aged↗
PubMed1989

Decompression of the posterior interosseous nerve for tennis elbow.

Decompression of the posterior interosseous nerve (PIN) was performed in 111 cases of tennis elbow. After a median follow-up time of 5 years, 85% showed improvement and 30% were almost completely relieved of their symptoms, the latter figure being considered to represent the real frequency of PIN entrapment. It thus seems that the PIN is one etiological factor in tennis elbow, but it cannot be distinguished from other causative factors by currently available methods. The confounding factor of PIN decompression being effective in cases of tennis elbow of other origins is discussed.

Adult↗
PubMed1989

The significance of residual stenosis after decompression for lumbar spinal stenosis.

Thirty-one patients with degenerative or combined degenerative and developmental lumbar spinal stenosis diagnosed by myelography and at subsequent surgery were thoroughly examined by computed tomography (CT) to reveal the completeness of the decompression and its correlation with the outcome. Complete elimination of the stenosis was achieved in 10 cases (32%) of whom 9 (90%) showed improvement. Various combinations of residual stenosis (some type of stenosis of the lateral part of vertebral canal at the laminectomy sites and also central stenosis outside the laminectomy field) were observed in 21 cases (68%). Of these, 14 (67%) had nearly complete, subtotal decompression with minimal or some residual stenosis, 7 (33%) had only minor decompression of the most constricted part of the spinal canal with a considerable amount of residual stenosis. The latter groups showed improvement in 8 cases (57%) and 6 cases (86%), respectively. Three patients (10%) with increased postoperative symptoms had only minimal or some residual stenosis. The significance of these findings is discussed.

Female↗
PubMed1989

Decompressive surgery in the tendinitis and tear stages of rotator cuff disease.

Eighty-six shoulders with rotator cuff disease (54 with tendinitis and 32 with rotator cuff tear stage) operated on to relieve the impingement exerted by the coracoacromioclavicular arch on the rotator cuff were analyzed. The median follow-up time was 5.0 years. Partial resection of the anterior undersurface of the acromion, excision of the coracoacromial ligament or of the lateral end of the clavicle (and most commonly a combination of all three measures), were the methods used to achieve decompression. The final results show a substantial improvement in 83% of the cases. The results were related to the extent of acromial resection, preoperative range of the painful arc, and age ; but no statistically significant prognostic signs could be determined. There was some evidence, however, that a wide painful arc and extensive resection of the acromion were associated with a poor outcome. The indications for clavicular resection remain somewhat uncertain. Clavicular resection combined with acromioplasty seemed to give somewhat fewer good results, but the procedure is nevertheless indicated in cases with subacromial impingement associated with acromioclavicular osteoarthrithis. Decompressive surgery proved to be as effective in the tendinitis stage of the disease as in the case of rotator cuff tear. Conclusive operative release of shoulder impingement in rotator cuff disease is a useful procedure in patients with painful arc symptoms resistant to conservative treatment. The result can be improved by refinement of both indications and techniques.

Adult↗
PubMed1988

Coracoid tendon transposition a.m. Bristow-Latarjet.

Twenty-three shoulders on which a Bristow-Latarjet operation had been performed on account of anterior glenohumeral instability were followed up for an average of 24 months (range 15-36). The series consisted of 12 recurrent dislocations, 5 chronic subluxations + 3 with occasional dislocations, and 3 anterior + inferior (multidirectional) subluxations. Four shoulders were classified as poor at follow-up. The reason for failure was excessively proximal attachment of the coracoid transplant in one case, while an objective diagnosis of multidirectional instability by reference to the autotraction test and stress roentgenograms was reached in the other three.

Adult↗
PubMed1981

The cold foot symptom in sciatica. A clinical and thermographic study.

A thermographic study on admission of 174 hospital patients with sciatica revealed a significant correlation between decreased temperature of the distal part of the affected limb and the probability of spinal nerve root compression. The highest order of preponderance for "coldness" was related to the group of patients whose symptoms were confirmed surgically as those of a herniated disc. The follow-up thermograms of 30 patients, on the average 29,4 months postoperatively showed correlation between normalization of the temperature and the relief of symptoms. Opinions regarding the neurophysiological mechanism of peripheral vasomotor control are controversial and the findings give rise to discussion of its complex pattern. Hypothetically derangement of anterograde axoplasmic transport of vasodilatory peptide macromolecules to the skin vessels may be involved.

Adolescent↗
PubMed1980

Küntscher bone nailing -- forecast and actuality.

The first description in the English language of Küntscher nailing by the originator himself in 1948 is reviewed. His predictions regarding its possibilities in bone and joint surgery are compared with their fulfillment in later years.

Biomechanical Phenomena↗
PubMed1979

Radiologic signs of hip and knee joint degeneration. A potential source of iatrogenesis.

Bilateral x-ray films of hip joints in 326 and knee joints in 193 asymptomatic patients were analyzed to investigate the prevalence of abnormalities. Degenerative changes, if any, were classified according to severity. Bilateral degeneration of hip or knee joints was found in 20% of the subjects. Thus, caution must be exercised in interpreting radiologic signs of joint degeneration in the absence of clinical evidence.

Female↗
PubMed1976

Ring total hip replacement in osteoarthrosis.

A follow-up is given of the results of 40 arthroplasties with the non-cemented, vitallium-to-vitallium bearing Ring total hip prosthesis in 37 patients with osteoarthrosis. Operative indication was an intolerably painful and stiff joint. The surgery was performed by two specialists in orthopaedics. Point scors according to a modification of merle d'Aubigné's classification showed excellent or at least good results in 52.5 per cent, and fair results in 27.5 per cent of the operations. One prosthesis was removed because of deep infection. The mortality rate was zero. In 20 per cent the total score was between 0 and 7, signifying little or no improvement. Loosening was the main problem even although it was in many cases well tolerated by the patients.

Adult↗
PubMed1976

The Moore vitallium femoral-head prosthesis in fractures of the femoral neck.

A follow-up is given of early and late results in 109 arthroplasties with the self-locking Austin T. Moore vitallium femoral head prosthesis in fractures of the femoral neck on 106 patients. Operative indication was usually fresh medical fracture of the femoral neck in an elderly woman, or its late complication. The surgery was performed in a unit for general surgery also engaged in pre- and postgraduate teaching activities. Many operations were performed by residents engaged in general surgery or orthopaedics. Point scores according to a modification of Merle D'Aubigné's classification showed excellent or at least good results in 81 per cent of the 69 mobile patients. Because of deteriorated general physical condition 11 patients were chronically bed-ridden. Five patients could not be reached. In three instances the prosthesis was removed. 21 patients died, three during the stay in hospital and 18 later for reasons not connected with the operative procedure. The mortality during 40 months of observation corresponded fairly well to that expected in the age group for the population as a whole.

Adult↗