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극단 저체중 신생아에서의 동맥관 개존증 결찰술을 위한 진정맥 마취 경험 2례
최영균,고명진,이상은,조광래,김영환,임세훈,이정한,이근무,정순호,김영재,신치만 仁濟大學校 白病院 2010 仁濟醫學 Vol.31 No.-
Running title: Cases of anesthesia for extremely low birth weight infant. Extremely low birth weight infants (birth weight < 1000 g) are prone to various morbidities such as respiratory distress syndrome, intraventricular hemorrhage, periventricular leukomalacia, patent ductus arteriosus, necrotizing enterocolitis and retinopathy. To accomplish successful anesthetic management, many precautions must be continuously taken during the operation. First, inspired oxygen concentration should be adjusted to avoid oxygen toxicity. Second, body temperature must be maintained adequately. Third, hemodynamic parameters should be kept stable. We report 2 cases of successful anesthetic management for extremely low birth weight infant who underwent ligation of patent ductus arteriosus at the neonatal intensive care unit.
Ko, Tae-Jun,Kim, Sae Hoon,Hong, Bo Ki,Lee, Kwang-Ryeol,Oh, Kyu Hwan,Moon, Myoung-Woon American Chemical Society 2015 ACS APPLIED MATERIALS & INTERFACES Vol.7 No.9
<P>Reliable operation of a proton exchange membrane fuel cell requires proper water management to prevent water flooding in porous carbon materials such as the gas diffusion layer (GDL). In contrast to the conventional GDL that uses the “wet” dip-coating process with solvent and expensive polytetrafluoroethylene, we have proposed a novel GDL with a controlled hydrophobic silicone (i.e., hexamethyldisiloxane) nanolayer by a highly efficient and cost-effective “dry” deposition process. The GDL with the nanolayer exhibited an increased contact angle, decreased contact angle hysteresis, and suppressed water condensation. Even though the GDL with the nanolayer had a higher electrical resistance than the pristine GDL, the cell performance of the GDL with an optimum nanolayer thickness of 8.6 nm was practically the same as that of the pristine GDL under normal operating conditions. Under a supersaturated condition, the GDL with optimum nanolayer thickness exhibited much higher cell performance than the pristine GDL over all current densities due to enhanced hydrophobicity. Long-term operational stability and dynamic response of the GDL with the nanolayer were much improved over those of the pristine GDL.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/aamick/2015/aamick.2015.7.issue-9/acsami.5b00088/production/images/medium/am-2015-00088v_0009.gif'></P>
( Myoung Jin Ko ),( Jeong Han Lee ),( Soon Ho Cheong ),( Chee Mahn Shin ),( Young Jae Kim ),( Young Kyun Choe ),( Kun Moo Lee ),( Se Hun Lim ),( Young Hwan Kim ),( Kwang Rae Cho ),( Sang Eun Lee ) 대한마취과학회 2010 Korean Journal of Anesthesiology Vol.58 No.4
Background: This study was done to evaluate the effect on pain relief when acetaminophen was added to lidocaine for intravenous regional anesthesia (IVRA). Methods: Sixty patients undergoing hand or forearm surgery received IVRA were assigned to three groups: Group C received 0.5% lidocaine diluted with 0.9% normal saline to a total volume of 40 ml (n=20), Group P received 0.5% lidocaine diluted with intravenous acetaminophen 300 mg to a total volume of 40 ml (n=20) and Group K received 0.5% lidocaine diluted with 0.9% normal saline plus ketorolac 10 mg made up to a total volume of 40 ml (n=20). Sensory block onset time, tourniquet pain onset time, which was defined as the time from tourniquet application to fentanyl administration for relieving tourniquet pain and amount of analgesic consumption during surgery were recorded. Following deflation of tourniquet sensory recovery time, postoperative pain and quantity of analgesic uses in post-anesthesia care unit were assessed. Results: Sensory block onset time was shorter in Group P compared to Group C (P<0.05). Tourniquet pain onset time was delayed in Group P when compared with group C (P<0.05). Postoperative pain and analgesic consumption were reduced in Group P and Group K compared to Group C (P<0.001). Conclusions: The addition of acetaminophen to lidocaine for IVRA shortens the onset time of sensory block and delays tourniquet pain onset time, but not with ketorolac. Both acetaminophen and ketorolac reduce postoperative pain and analgesic consumption. (Korean J Anesthesiol 2010; 58: 357-361)