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Seong Wook Jeong 7 Articles
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.
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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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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.
Influence of Collapse and Re-ventilation of Lung on the Development of Pulmonary Edema
Sang Hyun Kwak, Won Jong Jin, Hong Beom Bae, Seong Wook Jeong, Sung Su Chung, Chang Young Jeong
Korean J Crit Care Med. 2004;19(1):8-19.
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  • 16 Download
AbstractAbstract PDF
BACKGROUND
This study was to clarify the influence of collapse and re-ventilation of lung on the development of pulmonary edema in rabbit. METHODS: Animals were randomly assigned to one of three groups: Sham group receiving two lung ventilation (n=14), Collapse group receiving collapse of right lung (n=14), Reventilation group receiving collapse of right lung for 3 hours followed by reventilation of collapsed right lung for 3 hours (n=14). The lung of rabbits were ventilated with 50% oxygen through the tracheostomy. Right main bronchus was secured by thoracotomy in all animal. Collapse and reventilation were performed using by bulldog forcep. Mean arterial pressure, heart rate, arterial oxygen tension (PaO2), peripheral blood leukocyte and platelet counts were recorded at 0, 1, 2, 3, 4, 5 and 6 hour after the start of experiment. The wet to dry (W/D) weight ratio of lung, lung injury score and leukocyte counts, percentage of polymorphonuclear leukocyte (PMNL), concentration of albumin, and interleukin-8 (IL-8) in bronchoalveolar lavage fluid (BALF) were measured 6 hour after the start of experiment in both lung. RESULTS: W/D weight ratio of lung, lung injury score and leukocyte counts, percentage of PMNL, concentration of albumin and IL-8 in BALF were significantly increased in both lung of reventilation group. And the degree of increases is more significant in right than left lung. CONCLUSIONS: These findings suggest that reventilation of collapsed lung causes the bilateral pulmonary edema in rabbit mainly by activating neutrophil and IL-8 responses, which may play a central role in non cardiogenic pulmonary edema.
Tracheoesophageal Fistula as a Complication after Endotracheal Intubation: A Case Report
Woong Mo Kim, Seong Wook Jeong, Sang Hyun Kwak, Sung Su Chung, Chang Young Jeong
Korean J Crit Care Med. 2003;18(1):39-42.
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AbstractAbstract PDF
Placement of endotracheal tube, even for extremely short periods, can result in injury to laryngeal and tracheal tissue. This may be clinically insignificant, but in rare cases, it could be life threatening and results in permanent disability. Especially, tracheoesophageal fistula (TEF) is a serious and challenging problem because it may contaminate the tracheobronchial tree and interfere with nutrition. This uncommon but lethal complication has been reported to be associated with certain risk factors in tracheally intubated patients, and better knowledge of these factors could reduce the incidence of post-intubation TEF. We report a case of 49-year old male patient who has acquired TEF caused by endotracheal intubation and positive pressure ventilation.
Thumb Necrosis Following Radial Artery Cannulation
Seok Jai Kim, Seong Wook Jeong, Sang Hyun Kwak, Sung Su Chung, Woong Mo Im
Korean J Crit Care Med. 2002;17(1):25-28.
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AbstractAbstract PDF
Radial artery is frequently chosen for cannulation. Although the method is safe and simple, it can infrequently lead to tissue necrosis. This is a report of one case of amputation due to thumb necrosis developed from the radial artery cannulation in a patient who had open heart surgery. This is a 65 years old female who received a graft interposition of ascending aorta due to dissecting aortic aneurysm. Left radial artery cannulation was carried out after modified Allen's test appeared to be positive. On the 11 th postoperative days, we found that the catheter of left hand was obstructed, and we removed the catheter. On the 9 hrs after removal of catheter, thumb of left hand became color change and edematous with blister. On the 14 th days after removal of catheter, thumb of left hand became worsened to dusky purple to dark color change and pulseless, coldness. On the 20 th days after removal of catheter, amputation of thumb of left hand was performed.
Clinical Survey of Patients in the Post-Anesthesia Care Unit
Sung Su Chung, Myung Gi No, Seong Wook Jeong, Sang Hyun Kwak, Woong Mo Im
Korean J Crit Care Med. 1999;14(1):27-30.
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AbstractAbstract PDF
BACKGOUND: The purpose of this study was to evaluate characteristics and mortality rates of patients admitted to the post-anesthesia care unit (PACU) for obtaining the better clinical guidances and more advanced therapeutic plan in the future.
METHODS
The medical records of total 425 patients admitted to the PACU from January to December 1998 were reviewed and analyzed according to age, sex, department, duration of stay, mechanical ventilator care, and mortality rates.
RESULTS
Patients admitted PACU were 6% of total anesthesia patients. The ratio of male to female was 1.5:1. Patients of manhood aged from 45 to 64 were 37%, pediatric patients under 15 year-old were 23%. and elderly patients over 64 year-old were 18% of total PACU patients. The ratio of patients with ventilatory support was 42%. Mortality rate of neonate under 1 month of age was about 47%. Total mortality rate was 12%.
CONCLUSIONS
To improve the outcome of the patients in PACU, continuous nutritional and medical support, cardiovascular and pulmonary monitoring, appropriate nursing care, and availability of medical staff were needed.

ACC : Acute and Critical Care
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