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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.
( 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)
Ko, Tae-Jun,Kim, Eunkyung,Nagashima, So,Oh, Kyu Hwan,Lee, Kwang-Ryeol,Kim, Soyoun,Moon, Myoung-Woon The Royal Society of Chemistry 2013 Soft matter Vol.9 No.36
<P>The control of cancer cell adhesion behavior on certain surfaces has been widely studied in recent years to enhance cell adhesion, which is required for bio-sensing, implant biomaterials, or to prevent infections from bacteria or germs. In addition, it helps to preserve the original functions of medical devices such as implants, catheters, injection syringes, and vascular stents. In this study, we explored the behavior of mouse liver cancer cells on nanostructured surfaces in extreme wetting conditions of a superhydrophobic or superhydrophilic nature. Oxygen plasma treatment of polymeric surfaces induced the formation of nanostructures such as bumps or hairs with various aspect ratios, which is defined as the height to diameter ratio. A superhydrophobic surface with a contact angle (CA) of 161.1° was obtained through the hydrophobic coating of a nanostructured surface with a high aspect ratio of 25.8. On the other hand, an opposite extreme wetting surface with a superhydrophilic nature with a CA of 1.7° was obtained through the hydrophilic coating of the same structured surface. The mouse liver cancer cells significantly proliferated on a mild hydrophilic surface with a low aspect ratio nanostructure due to the mild roughness and improvements of mechanical anchoring. However, the superhydrophilic surface with a high aspect ratio nanostructure (<I>i.e.</I>, hair shaped) suppressed the growth of the cancer cells due to the limited number of sites for focal adhesion, which restricted the adhesion of cancer cells and resulted in a decrease in the cell-covered area. The superhydrophobic nanostructured surface with a high aspect ratio further restricted the adhesion and growth of the cancer cells; the cell activity was extremely suppressed and the spherical shape of the cancer cells was maintained. Thus, this simple method for fabricating nanostructured surfaces with various wetting conditions might be useful for producing biomedical devices such as stents, implants, drug delivery devices, and detection and/or sensing devices for cancer cells.</P> <P>Graphic Abstract</P><P>The cancer cell adhesion behavior on the superhydrophobic or superhydrophilic surfaces has been explored to enhance cell adhesion required for bio-sensing, implant, biomaterials, or to prevent infections from bacteria or germs. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c3sm51147b'> </P>