Injury
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Two cases of tension pneumopericardium following stab wounds to the chest are reported. The first presented with delayed onset respiratory distress and a precordial systolic murmur, and was treated by thoracotomy. The second presented with acute cardiac tamponade and was treated by needle aspiration. The clinical and radiological features of tension pneumopericardium and its treatment are reviewed.
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By the TRISS methodology, probability of survival in injury can be estimated. It is based on a statistical analysis of outcome which is influenced by the severity of the injuries as expressed in the Injury Severity Score (ISS), the physiological function as expressed in the Trauma Score (TS) and the patient's age. We have used the TRISS formula in 206 patients with penetrating injury. ⋯ All the fatal cases had serious predisposing conditions: chronic pulmonary disease, alcoholism, and psychiatric illness. In penetrating injury, the patient's functional status at the start of treatment is of greater importance for the outcome than the anatomical severity. The concept of the methodology of TRISS for assessment of probability of survival seems useful for review and comparison in injury care.
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The decision to insert an intercostal drain in chest injury must occasionally be made without a chest radiograph. A prospective analysis of the reliability of physical examination in penetrating pleural injuries was undertaken. A total of 51 consecutive patients were examined before obtaining a chest radiograph. ⋯ Physical examination accurately diagnosed 13 of the 14 large pneumo- or haemothoraces. This reliability combined with the selective drainage policy showed that physical examination accurately predicted the need for tube thoracostomy with a sensitivity of 96 per cent and a specificity of 93 per cent. This study suggests that experienced clinicians should not hesitate to institute immediate life-saving intercostal drainage when needed, before a chest radiograph is obtained.
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A series of 95 patients with fresh fractures of the shaft of the tibia, treated primarily with a Vidal-Adrey transfixation frame, was studied retrospectively. Only 20 fractures (21.0 per cent) attained clinical and radiological consolidation within 4 months after injury. Pseudoarthrosis was seen in 12 patients (12.9 per cent). ⋯ In difficult fractures we feel that change from external to internal fixation should be performed earlier; it makes early removal of the fixator pins possible and prevents the problems associated with prolonged use of fixator frames. The internal fixation, eventually combined with a transplantation of cancellous autografts, creates a mechanical and biological stimulus for bone consolidation. Functional recovery may also be improved because of a shorter healing time.