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Woo Huyung Park(朴雨炯),Chang Hyu Choi(崔昌休),Seong Woo Park(朴聖雨),Seok Hyun Chang(張碩賢) 한국육종학회 1985 한국육종학회지 Vol.17 No.1
New malting barley variety “Doo San #12 was developed from the cross “Tai Chung 2 rowed barley #1×Deba abed” made in 1972 at Sacheon Malting Barley Experiment Station. Doo San Farms Co. Ltd. This variety was determinded to recommend to the all malting barley production areas in southern part of Korea. This variety is lodging registance in short culm, high tillering, good quality and high yielding variety.
박성식,김삼현,서필원,최창휴,이상훈,이혁수,황승옥,안혁,Park, Seong-Sik,Kim, Sam-hyun,Seo, Pil-won,Choi, Chang-hyu,Lee, Sang-hoon,Lee, Hyuk-soo,Hwang, Seung-ok,Ahn, Hyuk 대한흉부심장혈관외과학회 1999 Journal of Chest Surgery (J Chest Surg) Vol.32 No.12
Background : Ventricular assist devices(VADs) are being used for patients in postcvardiotomy cardiogenic shock status bridge to cardiac transplant settings and in post-myocardial infarction cardiogenic shock. The VAD which was developed at the Deparment of medical engineering in Dankook University College of Medicine was a pneumatically driven device and can maintain pulsatile flow. The goal of this study is to develop animal experimental models using the VAD and to clarify the reliability and hemodynamic property adequacy of end organ perfusion durability and severity of thrombotic-hemolytic tendency of the device. Material and Method : The pneumatic VAD was applied to 8 adult female lambs, We examined some hemodynamic parameters such as arterial blood pressure pulmonary capillary wedge pressure(pcwp) pulmonary artery pressure(PAP) left atrial pressure hour urine output cardiac index VAD flow EKG to determine the reliability of the VAD and hemodynamic compatibility of the experimental animals within 24 hours of experiment. We also observed the end organ perfusion durability of the VAD and thrombotic-hemolytic property of the VAD after 24 hours of VAD insertion. Result: We could monitor all hemodynamic parameters including pcwp PAP cardiac index EKG, adn hour urine as true clinical settings. We observed that the reliability of the VAD was excellent and the hemodynamic property of the experimental animal and end organ perfusion were adequate within 24 hours of experiment. In four lambs surviving 24 hours after insertion the reliability of the VAD and end organ perfusion were excellent and no thrombotic-hemolytic tendency was noted. However after 15 days of experiment the diaphragm of the VAD was torn and it was recommende that the durability of the VAD should be extended. Conclusion : e conclude that the pneumatic VAD developed at Dankook University Biomedical Engineering has good hemodynamic property and low thromboembolic tendency and presents adequate end organ perfusion but we noted that the durability of the device should be expanded further. It will be possible to do more reliable experiment in the future according to the animal experimental method developed in this study especially with the heart failure models.
박국양 ( Kook Yang Park ),박철현 ( Chul Hyun Park ),최창휴 ( Chang Hyu Choi ),이재익 ( Jae Ik Lee ),전양빈 ( Yang Bin Jeon ) 대한외상학회 2012 大韓外傷學會誌 Vol.25 No.4
A 27 year-old man, who had a penetrating cardiac injury due to a metal fragment was transferred to our hospital. At admission, his vital signs were stable, and his chest film showed a foreign-body-like finding in the heart silhouette. We evaluated the patient with chest computed tomography and echocardiography for further information. Finally, we removed the metal fragment from the left ventricle by using a cardiopulmonary bypass. (J Trauma Inj 2012;25:267-270)
전승주 ( Seung Joo Chon ),김석영 ( Suk Young Kim ),이순표 ( Soon Pyo Lee ),황병철 ( Byoung Cheoul Hwang ),손동우 ( Dong Woo Son ),최창휴 ( Chang Hyu Choi ) 대한산부인과학회 2011 Obstetrics & Gynecology Science Vol.54 No.10
Heterotaxy syndrome is a disorder that results in abnormal placement of organs. We report the prenatal diagnosis of complex cardiac abnormalities associated with left isomerism. A 32-year-old multigravida was referred to our hospital for evaluation of abnormal sonographic findings. On prenatal sonography, we suspected a double outlet of the right ventricle, right ventricular hypertrophy, a ventricular septal defect, a large azygos vein instead of an inferior vena cava, a right-sided stomach, and asplenia. Postnatal imaging studies confirmed these findings, except a left-sided single spleen. After birth, the infant underwent a left modified Blalock-Taussing shunt and underwent a 2nd surgical procedure (Kawashima operation, right pulmonary artery angioplasty, and atrial septal defect widening). This report suggests intrauterine fetal sonography can accurately delineate abnormal findings in heterotaxy, allowing perinatal counseling and postpartum planning for corrective surgery.