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Kyung Yeon Yoo 6 Articles
Pharmacology/Anesthesiology
Lipid Emulsion in the Successful Resuscitation of Local Anesthetic Toxicity after Ankle Block
Sang Hee Park, Sang Hyun Kwak, Kyung Yeon Yoo, Hyun Jung Lee, Keun Bae Yook, Seok Jai Kim
Korean J Crit Care Med. 2014;29(3):234-236.   Published online August 31, 2014
DOI: https://doi.org/10.4266/kjccm.2014.29.3.234
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AbstractAbstract PDF
Unexpected occurrence of local anesthetic toxicity is not rare and can cause fatal complications that do not respond to any known drug of intervention. Recently, the successful use of lipid emulsion for local anesthetic toxicity has been reported and recommended as a rescue method for cardiac or neurologic complications. We report a case of seizure attack and respiratory arrest successfully recovered with the use of intravenous lipid emulsion. Clinicians must be aware of the beneficial role of lipid emulsion in cases of local anesthetic toxicity.
Vocal Cord Paralysis after the Coronary Artery Bypass Graft: A Case Report
Kwang Su Kim, Seong Wook Jeong, Sang Hyun Kwak, Myung Ha Yoon, Kyung Yeon Yoo, Chang Young Jeong, Sung Su Chung
Korean J Crit Care Med. 2005;20(2):170-173.
  • 1,640 View
  • 21 Download
AbstractAbstract PDF
Surgical trauma has long been recognized as the most common cause of unilateral and bilateral vocal cord paralysis. We experienced a case of bilateral vocal cord paralysis after off-pump coronary artery bypass graft. The patient was repeated intubation and extubation after operation in surgical intensive care unit. Fiberoptic bronchoscopy revealed bilateral vocal cord paralysis in the patient. The patient recovered after permanent tracheotomy. We reported a case of vocal cord paralysis after coronary artery bypass graft.
Effects of Alfentanil on Hemodynamic and Catecholamine Responses to Laryngoscopy and Endobronchial Intubation in the Elderly
Kyung Yeon Yoo, Sung Su Chung, Myung Ha Yoon, Seong Wook Jeong, Jeong Il Choi, Chang Young Jeong
Korean J Crit Care Med. 2005;20(2):114-120.
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  • 14 Download
AbstractAbstract PDF
BACKGROUND
Endobronchial intubation should elicit significant circulatory responses. We examined the effects of alfentanil on hemodynamic and catecholamine responses to endobronchial intubation in elderly patients. METHODS: A total of 60 patients aged over 60 years requiring endobronchial intubation were randomized into three groups of 20 patients each. Anesthesia was induced with thiopental 4~6 mg/kg followed by saline (placebo) or alfentanil 10 or 30microgram/kg given as a bolus over 30 s. Succinylcholine 1 mg/kg was given for neuromuscular block. Laryngoscopy and intubation were performed 1 min later. RESULTS: The intubation significantly increased systolic arterial pressure and heart rate. The maximum pressure changes from pre-intubation values in both alfentanil groups (58+/-27 and 33+/-30 mm Hg in 10 and 30microgram/kg, respectively) were significantly lower compared with that of 83+/-35 mm Hg in the control group. The tachycardiac response was not significantly affected by alfentanil 10microgram/kg, but attenuated by alfentanil 30microgram/kg. The plasma norepinephrine concentrations were increased, which was not affected by alfentanil 10microgram/kg, but was significantly attenuated by alfentanil 30microgram/kg. Both doses of alfentanil abolished the increase of plasma epinephrine concentrations. Three patients in the 30microgram/kg group received ephedrine for hypotension. CONCLUSIONS: This study showed that endobronchial intubation elicited significant pressor response, and that alfentanil 30microgram/kg is more efficacious in attenuating the hemodynamic and catecholamine responses, although potential hypotension warrants a caution of its use, in elderly patients.
Re-expansion Pulmonary Edema after Chest Tubing: A Case Report
Seong Wook Jeong, Chang Mo Kim, Cheol Hun Choi, Dong Jin Shin, Hong Beom Bae, Sung Su Chung, Kyung Yeon Yoo, Chang Young Jeong
Korean J Crit Care Med. 2005;20(1):87-91.
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AbstractAbstract PDF
Re-expansion pulmonary edema (RPE) is a rare complication associated with the treatment of collapsed lung caused by pneumothorax, atelectasis, pleural effusion in which a large amount of air or effusion fluid is evacuated. In general RPE is resulted from more than 3 days of lung collapse and application of high negative intrapleural pressure. However, it is reported that RPE could be developed despite the collapse period is short and negative pressure suction is not performed. It also has been known that the rate of reexpansion is more important than amount of evacuated air, or collapse period in the development of RPE. Seventeen-year-old female was undergone suture hemostasis for liver laceration, in which RPE was occurred after closed thoracostomy for pleural effusion on postoperative-27 day. We present a case report with review of related articles.
Effects of Amrinone and Dobutamine on Regional Myocardial Function and Oxygen Balance in Normal and Stunned Myocardium in Dogs
Jun Suh Park, Jong Eun Park, Sung Tae Jeong, Seongwook Jeong, Sung Su Chung, Kyung Yeon Yoo
Korean J Crit Care Med. 2005;20(1):14-23.
  • 1,562 View
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AbstractAbstract PDF
BACKGROUND
We examined the effects of amrinone and dobutamine on regional mechanical function, coronary blood flow (CBF), and myocardial oxygen consumption (MVO2) in normal and stunned myocardium in an open-chest canine model.
METHODS
Dogs were instrumented to measure aortic and left ventricular pressures, pulmonary and left anterior descending (LAD) coronary blood flows, and subendocardial segment length in the region supplied by LAD. Incremental doses of either amrinone (2~10microgram/ml of LAD flow, n=13) or dobutamine (0.05~0.375microgram/ml of LAD flow, n=14) were directly infused into a coronary artery before (normal) and after a 15 min of LAD occlusion and subsequent 30 min-reperfusion (stunned). Percent segment shortening (%SS) and percent post-systolic shortening (%PSS) were evaluated. Myocardial extraction of oxygen (EO2) and lactate (Elac) was calculated. RESULTS: Amrinone or dobutamine in the normal myocardium caused dose-dependent increases in %SS that were comparable (range, 20~40%) but had no effect on %PSS. MVO2 increased in parallel with %SS for both amrinone and dobutamine. With amrinone, CBF increased more than MVO2, resulting in a modest decrease in EO2, whereas with dobutamine, CBF increased in proportion to MVO2, resulting in no change in EO2. After the ischemia and reperfusion, %SS and Elac were reduced, but similar %SS and CBF responses to both agents were observed, except that both agents caused progressive reductions of %PSS. CONCLUSIONS: These results indicate that both amrinone and dobutamine exert positive inotropic effects in normal and stunned canine myocardium. It is also indicated that amrinone causes direct coronary vasodilation, which is not affected by ischemia and reperfusion, while dobutamine has no direct effect on coronary vascular tone in either normal or stunned myocardium.
Hemodynamic and intrapulmonary shunt effects of dobutamine/adenosine triphosphate and dobutamine/sodium nitroprusside infusion
Gyoung Yub Rhee, Seung Gyun Oh, Kyung Yeon Yoo, Chan Jin Park
Korean J Crit Care Med. 1991;6(1):13-25.
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AbstractAbstract PDF
No abstract available.

ACC : Acute and Critical Care