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JYMS : Journal of Yeungnam Medical Science

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Kyeong Sook Lee 2 Articles
The effect of lidocaine dose and pretreated diazepam on cardiovascular system and plasma concentration of lidocaine in dogs ansthetized with halothane-nitrous oxide
Kyeong Sook Lee, Sae Yeon Kim, Dae Pal Park, Jin Mo Kim, Chung Gil Chung
Yeungnam Univ J Med. 1993;10(2):451-474.   Published online December 31, 1993
DOI: https://doi.org/10.12701/yujm.1993.10.2.451
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AbstractAbstract PDF
Lidocaine if frequently administered as a component of an anesthetic: for local or regional nerve blocks, to mitigate the autonomic response to laryngoscopy and tracheal intubation, to suppress the cough reflex, and for antiarrhythmic therapy. Diazepam decrease the potential central nervous system (CNS) toxicity of local anesthetic agents but -may modify the stimulant action of lidocaine in addition to their own cardiovascular depressant. The potential cardiovascular toxicity of local anesthetics may be enhanced by the concomitant administration of diazepam. This study was designed to investigate the effects of lidocaine dose and pretreated diazepam to cardiovascular system and plasma concentration of lidocaine. Lidocaine in 100 mcg/kg/min, 200 mcg/kg/min, and 300 mcg/kg/min was given by sequential infusion to dogs anesthetized with halothane-nitrous oxide (Group I). And in group II, after diazepam pretreatment, lidocaine was infused by same way when lidocaine was administered in 100 mcg/kg/min, the low plasma levels (3.97+/-0.22-4.48+/-0.36 mcg/ml) caused a little reduction in cardiovascular hemodynamics. As administered in 200 mcg/kg/min, 300 mcg/kg/min, the higher plasma levels (7.50+/-0.66-11.83+/-0.59 mcg/ml) reduced mean arterial pressure (MAP), cardiac index (CI), stroke index (SI), left ventricular stroke work index (LVSWI), and right ventricular stroke work index (PVSWI) and increased pulmonary artery wedge pressure (PAWP), central venous pressure (CVP), systemic vascular resistance index (SVRI), but was associated with little changes of heart rate (HR), mean pulmonary artery pressure (MPAP), and pulmonary vascular resistance index (PVM). When lidocaine with pretreated diazepam was administered in 100 mcg/kg/min, the low plasma level, the lower level than when only lidocaine administered reduced MAP, but was not changed other cardiovascular hemodynamics. While lidocaine was infused in 200 mcg/kg/min, 300 mcg/kg/min in dogs pretreated diazepam, the higher plasma level (7.64+/-0.79-13.79+/-0.82 mcg/ml) was maintained and was associated with reduced CI, SI, LVSWI and increased PAWP, CVP, SVRI but was a little changes of HR, MPAP, PVRI. After CaCl2 administration, CI, SI, SVRI, LVSWI was recovered but PAWP, UP was rather increased than recovered. The foregoing results demonstrate that pretreated diazepam imposes no additional burden on cardiovascular system when an infusion of large dose of lidocaine is given to dogs anesthetized with halothane and nitrous oxide. But caution may be advised if the addition of lidocaine is indicated in subjects who have impaired autonomic nervous system and who are in hypercarbic, hypoxic, or acidotic states.
Extremity Amputation following Radial Artery Cannulation in Patient with Craniectomy.
Heung Dae Kim, Sun Ok Song, Kyeong Sook Lee
Yeungnam Univ J Med. 1987;4(1):145-149.   Published online August 31, 1987
DOI: https://doi.org/10.12701/yujm.1987.4.1.145
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The technique of radial artery cannulation and its complications are well documented, but serious complications are rare. This is a report of one case of amputation of wrist due to finger necrosis developed from the radial artery cannulation in patient who had craniectomy surgery. This 52-year-old 79 kg male underwent subdural hematoma removal surgery. Right radial artery cannulation was carried out percutaneously using 22 gauge Teflon extracath needle after modified Allen's test appeared to be positive. It was intermittently flushed by heparinized solution. His arterial blood pressure was maintained 100/70-110/80 mmHg and 5 units of banked whole blood and 1 unit of fresh frozen plasma were transfused during 8-hours operation. Cannula was removed on the 9th hour after operation because that was obstructed. On the 12th hour after removal of cannula, his right hand noted to be cool and cyanotic. So, warm towel and hot bag applied continuously on the right hand and the right stellate ganglion block was carried out every day for 4 times. However, on the 10th day after removal of cannula, necrotic change of all fingers of the right hand became worse and skin of fingers were shrunken. Therefore, disarticulation of the right wrist carried out on the 71th day of his hospitalization.

JYMS : Journal of Yeungnam Medical Science