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증례보고 : 기관협착 환자의 후두미세수술 시 연장된 기관내관을 이용한 기도관리
한동우 ( Dong Woo Han ),장철호 ( Chul Ho Chang ),이종석 ( Jong Seok Lee ),나성원 ( Sung Won Na ),양혜건 ( Hye Gun Yang ),남상범 ( Sang Beom Nam ) 대한마취과학회 2006 Korean Journal of Anesthesiology Vol.51 No.3
A small sized tube can be used for a patient with tracheal stenosis. However, an ordinary endotracheal tube may be not long enough to pass over stenotic lesion of trachea in adult patient for nasotracheal intubation, when stenotic lesion is located distally. We experienced a patient with severe tracheal stenotic lesion 5 cm above the carina and 3.1 cm length of stenotic lesion scheduled for laryngeal microscopic surgery. The two 4.0 mm tubes-connected tube using modified connector was designed and prepared. We performed fiberoptic-guided awake nasotracheal intubation using the extended endotracheal tube and the patient was successfully managed without complications until the surgery was completed. (Korean J Anesthesiol 2006; 51: 367~70)
임상연구 : 체외순환 없는 관상동맥우회술 시 수술 전 투여한 Hydroxyethyl Starch (6% HES 130/0.4)가 혈역학 및 혈액응고에 미치는 영향
나성원 ( Sung Won Na ),남상범 ( Sang Beom Nam ),김대희 ( Dae Hee Kim ),심재광 ( Jae Kwang Shim ),양혜건 ( Hye Gun Yang ),곽영란 ( Young Lan Kwak ) 대한마취과학회 2006 Korean Journal of Anesthesiology Vol.51 No.6
Background: It is important to maintain adequate intravascular volume during off-pump coronary artery bypass surgery (OPCAB) to prevent hypotension. The aim of this study was to assess the effect of acute volume loading with new colloid solution, 6% hydroxyethyl starch (HES) 130/0.4 on hemodynamics and coagulation in patients undergoing OPCAB. Methods: With the IRB approval, forty patients undergoing OPCAB were allocated to two groups receiving 10 ml/kg of Plasma solution A (Control group, n = 21) or HES 130/0.4 (HES group, n = 19) for 30 min before pericardiotomy. We measured hemodynamic variables and coagulation parameters at 10 min after anesthesia induction (T1), 10 min after fluid loading (T2), 10 min after Y-graft formation (T3), and after sternum closure. Amount of infused fluid, blood loss, tranfusion and urine output were recorded intraoperatively and for 16 hr after surgery. Thromboelastography and electrolytes were also measured. Results: Both groups were similar in demographic data and fluid/blood volume during and after surgery. Cardiac index and right ventricular ejection fraction were maintained throughout the surgery in HES group but were decreased in Control group. The ratio of arterial oxygen partial pressure to inhaled oxygen fraction was increased in HES group after surgery. Thromboelastography and other parameters didn`t demonstrate significant differences between the groups. Conclusions: Acute HES loading before pericardiotomy could prevent the decrease of cardiac index and right ventricular ejection fraction in OPCAB patients. Additionally, it showed desirable effects on oxygenation without adverse effects on coagulation. (Korean J Anesthesiol 2006; 51: 669∼74)