Non-invasive blood haemoglobin and plethysmographic variability index during brachial plexus block †
نویسندگان
چکیده
منابع مشابه
Non-invasive blood haemoglobin and plethysmographic variability index during brachial plexus block.
BACKGROUND Plethysmographic measurement of haemoglobin concentration ([Formula: see text]), pleth variability index (PVI), and perfusion index (PI) with the Radical-7 apparatus is growing in popularity. Previous studies have indicated that [Formula: see text] has poor precision, particularly when PI is low. We wanted to study the effects of a sympathetic block on these measurements. METHODS T...
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The axillary approach to brachial plexus blockade provides satisfactory anaesthesia for elbow, forearm, and hand surgery and also provides reliable cutaneous anaesthesia of the inner upper arm including the medial cutaneous nerve of arm and intercostobrachial nerve, areas often missed with other approaches. In addition, the axillary approach remains the safest of the four main options, as it do...
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BACKGROUND Interscalene brachial plexus block (ISB) may be followed by cardiovascular instability. Until date, there is no clear picture available about the underlying mechanisms of ISB. In this study, we aimed to determine the changes in heart rate variability (HRV) parameters after ISB and the differences between right- and left-sided ISBs. METHODS We prospectively studied 24 patients opera...
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ژورنال
عنوان ژورنال: British Journal of Anaesthesia
سال: 2015
ISSN: 0007-0912
DOI: 10.1093/bja/aeu484