PubMed · 1524203
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A Baker, R J Hiscock, C L Smith, F C Parker, P Peyton. 1992. Continuous spinal anaesthesia.. https://pubmed.ncbi.nlm.nih.gov/1524203/
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Three patients were studied to determine the changes in regional skin temperature and blood flow during extensive sympathetic blockade following total spinal anaesthesia (TSA). Skin temperature was measured at the right upper arm, the right anterior chest at the nipple level, the right hand and the foot, using infrared thermography. Skin blood flow of the right upper arm (C6 area) was measured with a laser Doppler flowmeter. The temperature of the truncal area, arm and leg decreased by 1 degree C following TSA, whereas the temperature of the hand and foot increased by 3 degrees C. The mean blood flow in three patients decreased to 26.1, 61.4, 51.7% of the control values 15 min after TSA. Our results indicate that extensive sympathetic nervous blockade during total spinal anaesthesia induces regional different changes in skin temperature and decrease in truncal skin blood flow.
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