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Background Stereotactic biopsy is a minimally invasive technique that allows brain tissue samples to be obtained with low risk. Classically, different techniques have been used to identify the biopsy site after surgery. Objective To describe a technique to identify the precise location of the target in the postoperative CT scan using the injection of a low volume of air into the biopsy cannula....
The prevalence of atrial fibrillation increases substantially with age. As atrial fibrillation carries a higher risk of thromboembolic events, several scores have been developed to estimate thromboembolic and bleeding risk in order to help with the prophylactic decision.To determine thromboembolic and bleeding risk of elderly with atrial fibrillation according to CHADS 2 , CHA 2 DS...
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