American journal of surgery
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Multicenter Study
A prospective multicenter evaluation of preoperative hemostatic screening tests. The French Associations for Surgical Research.
Several retrospective and four prospective reports have questioned the need for routine preoperative hemostatic screening tests (PHST) in general surgery. ⋯ Our results suggest that PHST should not be performed routinely, but only in patients with abnormal clinical data. Such a policy necessitates a thorough history--including answers to a specific questionnaire like those used in prospective studies--and a rigorous, well-conducted physical examination.
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Severe blunt trauma to the torso can result in diaphragmatic disruption. Prompt recognition of this potentially life-threatening injury is difficult when the initial chest roentgenogram is unrevealing and immediate thoracotomy or celiotomy is not performed. This retrospective study was undertaken to: (1) determine the incidence of missed diaphragmatic injuries on initial evaluation; (2) identify factors contributing to diagnostic delays; and (3) formulate a diagnostic approach that reliably detects diaphragmatic rupture following blunt trauma. ⋯ Blunt diaphragmatic injuries are easily missed in the absence of other indications for immediate surgery, since radiologic abnormalities of the diaphragm--particularly those involving the right hemidiaphragm--are often interpreted as thoracic trauma. In this setting, a high index of suspicion coupled with selective use of radionuclide scanning, ultrasound, and CT or magnetic resonance imaging is necessary for early detection of this uncommon injury.