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Biomedical subjects

E B Riska

Publications and source records attributed to E B Riska.

At least 37 records · Page 2Linked to original sources

The effect of temporary exercising of a joint during an immobilization period: an experimental study on rabbits.

The right hind limbs of adult rabbits were immobilized for 5 weeks. The rabbits were then allowed to move freely for 8 weeks. The rabbits of the control group were immobilized uninterruptedly. In a second group of rabbits the plaster was removed during the immobilization period 6 days a week for 5 minutes for careful exercise and in a third group of rabbits, for violent exercise. The temporary careful exercise was of no benefit and was sometimes harmful, and the violent exercise was usually injurious for the immobilized knees as regards the stiffening, thickening and the development of radiologically detectable degenerative changes.

Animals↗

Primary operative fixation of long bone fractures in patients with multiple injuries.

Early mobilization is essential for patients with multiple long bone fractures associated with other injuries in order to avoid complications. Therefore, in 1969 we adopted a policy of rigid internal fixation of long bone fractures in such cases. To assess the results of this active treatment a number of consecutive patients were followed. The following conditions were necessary for the case to be included in this series: multiple injuries; treatment at the intensive care unit; and at least two long-bone fractures treated with internal fixation. During the period from 1969 to 1974 47 patients met all requirements. With primary operative fixation of long bone fractures of patients with multiple injuries it was possible to mobilize on crutches 29 patients out of 47 within 2 1/2 months of the accident, and 32 were allowed to leave the hospital within 3 months. With the exception of the death of an 80-year-old woman, no severe complications attributed to the operative treatment of these fractures occurred and 32 out of 47 patients returned to work within 16 months. The results in these 47 cases show that in patients with multiple injuries associated with several long bone fractures, primary internal fixation is preferable to the more conventional conservative methods.

Absenteeism↗

Subcapital fractures of the femur treated with two thin Smith-Petersen nails.

The results of treatment of 71 patients with subcapital fractures of the femur, fixed with two thin Smith-Petersen nails, are presented, after a follow-up time of between 2 and 4 years. Excellent results of treatment were achieved in 39 out of 60 cases and good results in 11 cases. Six cases of ischemic necrosis of the femoral head were recorded, and there were four cases with pseudarthrosis of the femoral neck, one developed because of postoperative infection and three were attributed to an imperfect operative technique. The method is recommended for subcaptial femoral neck fractures amenable to closed reduction and internal fixation. Pseudarthrosis may be prevented by good reduction of the fracture and a careful nailing technique.

Adolescent↗

Pertrochanteric fractures of the femur treated with a Küntscher trochanter nail.

Thirty-nine patients with pertrochanteric fractures were treated with the Küntscher trochanter nail. Six were males and 33 females. Their mean age was 76 years. Excellent or good results of treatment were recorded in 25 cases, and good union of the fracture was noted in 19 patients within 4 months and in 15 cases as early as 2 months after the operation. The primary mortality rate was of the same order as with other methods of nailing, 15% in this series. The operation is easy and short, and is suitable at least for stable pertrochanteric fractures of elderly patients.

Aged↗

Spinal tuberculosis treated by antituberculous chemotherapy and radical operation.

Between 1956 and 1968, 208 patients with spinal tuberculosis healed by chemotherapy with and without surgical intervention. Two vertebral bodies were affected in 82 patients, one in 23 cases, more than 4 in 70 patients. Sixty-one patients had neural involvement at the time of admission, 42 of them an incomplete or complete paraplegia. All patients were treated by triple-drug chemotherapy. Chemotherapy and bed rest alone was sufficient for 76 patients. Surgical intervention was indicated in 132 cases. Debridement was carried out in 33 cases, debridement and spinal fusion was performed in 18 cases, anterolateral decompression of the spinal cord alone was employed in 15 cases, and together with spinal fusion recommended in 15 cases. Minor surgical procedures were made necessary in 8 cases. The indications for surgery were: (1) unfavorable response to conservative treatment during 3 months, (2) Pott's paraplegia showing no signs of recovery by conservative treatment, (3) Pott's paraplegia developing during conservative treatment (4) cases with unstable spinal lesions, and (5) cases with paravertebral abscesses and sinuses. Complete or good recovery occurred in 61 out of 76 conservatively treated patients. Forty-two out of 61 patients with neural involvement made a complete or a good recovery, 31 being patients with paraplegia. No improvement was noted in 16 cases with neural involvement, and 2 had progression of the neurological signs. A complete recovery was noted in 101 out of 132 operatively treated patients, a good recovery in 21, and no improvement in 9 patients with paraplegia. One patient died; 141 patients returned to their former work, 30 of whom were recovered paraplegics. Fifteen had retired because of advanced age. Modern treatment begins with triple-drug chemotherapy and bed rest for 3 months. If the response is unsatisfactory, debridement or debridement with spinal fusion is carried out as soon as possible. Anterolateral decompression is applied in cases with paraplegia.

Adolescent↗

[Scoliosis].

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Humans↗