Light reflection rheography is a simple non-invasive technique for assessing venous function in the leg. One hundred and twenty-four patients referred for venography with a clinically suspected deep venous thrombosis were investigated by light reflection rheography to determine the accuracy of the technique in diagnosing acute thrombosis. In half of the patients venography confirmed a deep venous thrombosis. Light reflection rheography had a sensitivity of 92 per cent and a specificity of 84 per cent in detecting acute thrombosis. The technique had a negative predictive value of 92 per cent in selecting those patients with no thrombosis. Light reflection rheography can be performed at the bedside or in the radiography department which makes it a suitable technique for screening patients with suspected deep venous thrombosis.

Although this is a low volume study, there is evidence to suggest that asymptomatic patients with low EDV in the setting of carotid artery pseudo-occlusion found of duplex, may be safely managed medically.

Increased iliac calcification and increased iliac tortuosity correlate with an inability to successfully deploy the device.

Damage control surgery with the principles of expeditious control of hemorrhage and contamination, followed by predominant crystalloid resuscitation in the intensive care unit has saved the lives of many severely injured trauma patients. Unfortunately, crystalloid resuscitation has too often led to worsening of coagulopathy in the setting of vascular injury. The recent conflicts in Iraq and Afghanistan have created injured patients with severe vascular injury and massive soft tissue destruction creating early and profound coagulopathy associated with high rates of mortality. An alternative strategy, known as damage control resuscitation, with the principal resuscitation of a 1:1 ratio of packed red blood cells and fresh frozen plasma has been developed during these conflicts. This method is associated with decreased mortality and improved limb salvage in military and civilian trauma patients.

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