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Biomedical subjects

H Svend-Hansen

Publications and source records attributed to H Svend-Hansen.

10 recordsLinked to original sources

Fracture-suspending effect of the patellar-tendon-bearing cast.

In order to evaluate the fracture-suspending effect of the patellar-tendon-bearing cast, experiments using a load cell under the heel were carried out on four subjects. Measurements were made using a conventional below-knee cast, the PTB cast, and an above-knee cast. There were no differences between the forces transmitted by the same subject wearing the three types of casts in turn and consequently the choice of cast must be based on other factors.

Biomechanical Phenomena

Ankle fractures treated by fixation of the medial malleolus alone. Late results in 29 patients.

A review of 29 patients with unstable ankle fractures treated by fixation of the medial malleolus alone is presented. At follow-up the result in 16 patients was classified as unsatisfactory or a failure and all of these patients showed radiological signs of posttraumatic arthrosis deformans. The importance of the position of the lateral malleolus in order to prevent joint incongruity and subsequent arthrosis is emphasized.

Adolescent

The value of routein intravenous urography in acute epididymitis.

The urographies of 106 patients with acute epididymitis are reviewed. In 71 cases the urogrpahy was completely normal, while in the remaining 35 patients abnormalities were found. In 25 patients the findings were consistent with hypertrophy of the prostate. More than half of the patients had known urological diseases and had undergone cystoscopy and/or catheterization prior to the onset of acute epididymitis. All 35 patients had demonstrated symptoms that would otherwise have resulted in intravenous urography independent of the epididymitis. No cases of urogenital tuberculosis were found. The authors conclude that routine urography under the age of 50 is not recommended. Over the age of 50 concomitant urological diseases are so common that urography is often indicated, but acute epidiymitis in itself is only a relative indication.

Acute Disease

Nephrectomy. A five-year material.

A review of 158 consecutive nephrectomies is presented. The pathological findings are listed and compared to other author's findings. In the present series a very low rate of nephrectomy necessitated by stone and infection is noted. Surprisingly, 14 normal kidneys were removed. The specific diagnostic problems in each case are discussed, and better diagnostic procedures in the future are mentioned.

Adolescent

Fibrinogen related antigens in acute pancreatitis.

The fibrinogen related antigens were measured in 22 consecutive patients with acute pancreatitis. During the attack a marked elevation was seen, the values normalizing in the quiet phase. This may be due to either intravascular and/or extravascular degradation of fibrinogen-fibrin. As other authors have demonstrated intravascular coagulation experimentally in animals with pancreatitis, the authors stress that intravascular coagulation may play an important role in the patheogenesis of acute pancreatitis.

Acute Disease