Injury
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In 17 of 148 fractures of the leg (11.5 per cent) we found an isolated fracture of the posterior malleolus of the tibia as a sign of associated injury of the ankle joint. In two cases there was even disruption of the anterior syndesmosis. ⋯ In fracture of the leg of this specific type a radiological examination of the ankle joint in search for a posterior malleolar fracture is needed. If present, instability of the distal tibio-fibular joint must be excluded.
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A series of 129 patients with closed injuries receiving more than 20 units (1 unit = 500 ml) of blood within the first 48 h of accident was analysed. The transfusion policy included type-specific crossmatched whole blood stored with citrate phosphate-adenine as the main replacement. One unit of fresh whole blood was transfused for every 5 to 6 units of stored blood. ⋯ This serious complication seemed to be associated with large retroperitoneal blood accumulations, the latter possibly acting as an enhancing factor. The mortality rate in the whole series was slightly lower than recorded previously in the literature. Among patients receiving 21 to 39 blood units the mortality was 25 per cent and among those receiving 40 units or more the mortality was 52 per cent.
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The effect of the timing of operative treatment on the mortality and morbidity of a consecutive series of 230 patients with intertrochanteric fractures of the femur has been studied. It was found that the mortality rate was not influenced by the timing of surgical treatment. ⋯ Those patients who underwent early operative treatment had a lower rate of urinary tract infection, but this was partially due to the better general health of these patients. It is concluded that the timing of operative treatment of these fractures is not an important determinant of outcome.
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Nine patients undergoing manipulation of Colles' fractures with varying doses of local anaesthetic injected into the fracture haematoma, were investigated by monitoring the arterial levels of lignocaine. Although the procedure was considered satisfactory by all patients, potentially toxic concentrations of lignocaine were found in the arterial circulation, reaching a maximum after manipulation of the fracture. A mean peak level of 2625 micrograms/l was found when 10 ml of 2 per cent lignocaine was used and a mean peak level of 846 micrograms/l in patients receiving 10 ml of 1 per cent lignocaine.
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Comparative Study
Bipolar fixation of fractures of the distal end of the radius: a comparative study.
This paper reports a prospective study of the treatment of Colles' fractures, either by bipolar fixation or a forearm cast. Bipolar fixation reduced the degree of secondary displacement and no patient required a repeat manipulation. The functional results at 6 months, as assessed by the Scheck system, showed a strong trend in favour of bipolar fixation, but did not reach 95 per cent confidence limits. The technique of bipolar fixation proved to be safe and suitable for use in a busy district general hospital, without the necessity of elaborate equipment.