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The study aims to show the effects of interscalene brachial plexus (ISBP) block on intracranial pressure by measuring optic nerve sheath diameter (ONSD) and internal vein collapsibility index (IJV-CI).
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40 is the targeted number of patients who are going to have humerus fracture or opened rotator-cuff surgery. Single shot-ISBP block with 25 ml local anesthetic will be performed as anesthetic approach for surgery to all participants. Intraoperative ONSD and IJV-CI measurements will be performed before the ISBP block, 20 minutes and 60 minutes after the block. Hypothesis; external drug-volume effect on internal jugular vein causes decreasing maximum diameter of internal jugular vein (Dmax), venous return from cranium to heart decreases, intracranial pressure can increase.
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40 participants in 1 patient group
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Oğuz Gündoğdu
Data sourced from clinicaltrials.gov
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