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Biomedical subjects

N E Westlin

Publications and source records attributed to N E Westlin.

14 recordsLinked to original sources
PubMed1979

Alkaline phosphatase in women with osteoporosis.

Altogether 15 partially independent measurements of bone mass in 100 women with clinical and roentgenological signs of osteoporosis were correlated to the alkaline phosphatase activities of the same individuals. There was a slight but significant negative correlation indicating an increasing alkaline phosphatase activity with decreasing bone mass. This correlation was not caused by interaction of age. There was no correlation or morphological signs of osteomalacia. The changes could not be explained by fractures. It is suggested that a slight increase in the alkaline phosphatase activity in women with a more severe osteoporosis is related to bone resorption.

Aged↗
PubMed1979

Bone biopsy in women with spinal osteoporosis.

Iliac crest biopsies were obtained from 110 women, 62 of whom had been clinically and radiologically classified as osteoporotics. The amount of osteoid surface was measured by a histological planimetrical method. It was demonstrated that the amount of osteoid does not differ between osteoporotic women and control women and that osteomalacia is rare in both groups.

Aged↗
PubMed1979

Bone mass in primary coxarthrosis.

The bone mineral content was measured by gamma absorptiometry at two levels on the forearms, proximally on the shafts and distally close to the wrist, in 53 cases of primary coxarthrosis. The bone mineral content at the distal measuring site, representing trabecular bone, was increased in coxarthrosis cases as compared with normal controls; the difference was significant only in women. At the proximal measuring site, representing cortical bone, there was no significant difference. The findings support the concept of impairment of the resilience of the juxta-articular trabecular bone as one factor contributing to the pathogenesis of arthrosis.

Adult↗
PubMed1977

Bone mineral content in the forearm after fracture of the upper limb.

The bone mineral content was measured by gamma absorptiometry in patients who had sustained fractures of the upper limb. Measurements were taken on the shafts of the forearm and in the trabecular bone immediately proximal to the wrist. Fractures of the surgical neck of the humerus and fractures of the shaft of the humerus did not significantly influence the bone mineral content of the ipsilateral forearm. Fracture of the radius and the ulna, however, caused a 15% loss of the bone mineral content in the trabecular bone proximal to the wrist, whereas the mineral content on the shafts of the fractured forearms increased or decreased depending on the fracture site. The findings suggest that measurements of bone mineral content of the forearm are not necessarily invalidated if there has been a fracture of the same limb. Only if the forearm itself is fractured should measurements on this site be avoided.

Bone and Bones↗
PubMed1977

[Stress fractures].

Explore the source record for details and available documents.

Athletic Injuries↗
PubMed1977

Bone mineral content and fragility fractures.

In 249 patients with fractures characteristic of bone fragility, i.e. femoral neck fracture, vertebral crush fracture, fracture of the upper end of the humerus, Colles' fracture, fracture of the lateral condyle of the tibia and various ankle fractures, and forearm bone mineral content was measured by gamma absorptiometry. Vertebral crush fracture, fracture of the upper end of the femur and fracture of the distal end of the forearm are associated with a generally decreased bone mineral mass. In young women with femoral neck fracture the difference between fracture cases and control cases was greater than in older women. In Colles' fracture, the difference from normal controls was the greatest in the youngest and the oldest women. Bone mass in the forearms is low also in cases of fracture in the upper end of the humerus, of the ankle and of the lateral tibial condyle. In each of the above groups, however, there was so much over-lap between fracture cases and control cases that the measurement of mineral in the forearm cannot be recommended as a very good tool for determination of fracture susceptability in individual subjects.

Aged↗
PubMed1976

The incidence of Achilles tendon rupture.

During the years 1950-1973, 229 cases of Achilles tendon rupture were diagnosed in the city of Malmö. More than half of the injuries were caused by sporting activities, the most common being badminton and football (soccer). Ruptures caused by injuries other than sports injuries were found in considerably older subjects. During the period investigated the incidence of Achilles tendon rupture increased in the city more than could be accounted for by changes in the population. This increase could only be partly explained by the increasing interest in sporting activities in the population at risk.

Achilles Tendon↗
PubMed1976

Factors contributing to the production of skiing injuries.

The cause of the accident was analyzed in 981 individuals sustaining skiing injuries. Exhaustion, poor physical condition, and poor skiing technique were the most frequent causes, but poorly prepared slopes also were an important factor.

Age Factors↗
PubMed1976

Injuries in long distance, cross country, and downhill skiing.

In 981 skiing accidents the type of injury resulting was studied in relation to the skiing activity (long distance, cross country, and downhill) and to the type of boots used. From the patterns of injuries it appears that in downhill skiing not only the velocity but also the particular type of equipment used is responsible for the increased incidence and for the characteristic types of injuries. The alpine ski boot used in downhill skiing, however, seems to protect the ankle joint and the foot from injuries that are more common in cross country and long distance skiing.

Arm Injuries↗
PubMed1975

Long-term observations on the loss of bone mineral following colles' fracture.

Seventy-four women were studied at various points in time between 1 month and 12 years after a fracture of the distal end of the radius--Colles' fracture. In 50 cases the maximum loss of bone after fracture was considered to have taken place in that more than 4 months had elapsed since the accident. The bone mineral content was measured in both forearms with gamma absorptiometry. It was demonstrated that the degree of post-traumatic osteoporosis, calculated as the difference between the values obtained for the injured and the uninjured arms, decreased with time. The difference between the arms was greater in peri- and early postmenopausal and in very old women suggesting that these groups had lost more bone and/or been less able to restore lost mineral with time.

Aged↗