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The Research of Beach Deformation after Construction of the Jetties
Park, Sang-Kil,Han, Chong-Soo,Roh, Tae-Young,Park, O-Young,Ahn, Ik-Seong,Lee, Ji-Hun Korean Society of Ocean Engineers 2011 International journal of ocean system engineering Vol.1 No.4
This research was described the prevention of coastal topographical change and sediment diffusive concentration incoming from small estuary after construction jetties. This structure is constructed to decrease sediment deposition incoming from the upstream river due to the urbanization and industrial development and to minimize effects on the coastal ecosystem. The physical modeling and numerical modeling for waves were conducted to analyze the configuration of Imrang sand beach deformation without and with construction of jetty. The specification of the installed jetty, which is able to control sedimentation concentration was decided based on the prediction of the Imrang beach area changes by space and time. As a result, the jetties constructed in the estuary retarded the rate of sand sediment, so that the effect area of sand sedimentation was obviously decreased. In addition, the measured field data indicated that the sediment deposition inside of dikes could be controlled and the right side area of jetties could be preserved without sediment deposition.
소아 상완골 과상부 골절의 치료 - 조기 도수 정복 및 외측 경피적 K - 강선 고정 -
박재규,김정환,김종관,윤종호,안병우,김영오,정재익 대한골절학회 2001 대한골절학회지 Vol.14 No.4
Purpose: To analyze children with displaced supracondylar fractures of the humerus that were treated by immediate closed reduction and then maintained by lateral percutaneous K-wire fixation. Materials and Method: 70 cases of supracondylar fractures of the humerus (5 type 1, 19 type 2, 46 type 3) were treated, 14 fractures (5 type 1, 7 type 2, 2 type 3) with cast, 49 fractures (12 type 2, 37 type 3) with lateral percutaneous pinning, 7 fractures (7 type 3) with open reduction and internal fixation. The K-wire were removed after averaging 6.2 weeks of operation in out patient clinic. The follow-up period ranged from 6 months to 28 months, averaging 13 months. Result: By Flynn`s functional and cosmetic criteria, 47 fractures (95.9%) among 49 fractures, treated with immediate closed reduction and lateral percutaneous pinning, resulted in satisfactory criteria. Only one fracture was reoperated due to reduction loss. Conclusion: Immediate closed reduction and lateral percutaneous K-wire fixation appears to be safe and reliable option for the treatment of supracondylar fractures of the humerus in children.
간동맥 화학색전술 치료를 받은 간세포암 환자의 예후와 혈청 α1 - Antitrypsin 과의 관계
손정일(Chong Il Sohn),황선호(Seon Ho Hwang),박문승(Mun Seung Park),이오영(O . Young Lee),윤병철(Byoeng Chul Yoon),함준수(Joon Soo Hahm),이민호(Min Ho Lee),기춘석(Choon Suhk Kee),박경남(Kyung Nam Park),서흥석(Heung Suk Suh) 대한내과학회 1996 대한내과학회지 Vol.50 No.3
N/A Objectives: Hepatocellular carcinoma(HCC) has a poor prognosis, and only by early detection, cure can be expected by surgery. With development of chemoembolization therapy, we may expect better survival even in the advanced HCC, There many reports about prognostic factors for HCC treated with TAE. We examined relationship between survivals and prognostic factors especially serum a 1-antitrypsin levels in patients with HCC treated with TAE. Methods: 42 patients who had been diagnosed as HCC by ultrasonography and hepatic angiography from 1987 to 1994 were examined for prognostic factors and their survival. Results: Patient's survival who had a single mass was longer (average 21 months) than that of patients who had diffuse tumor(average 4 months, p=0.005). Patient's survival without portal vein thrombosis was longer (average 16 months) than that of patients with portal vein thrombosis (average 4 months, p<0.001). Serologically, patients with low α-fetoprotein level(AFP<40ng/ml) survived longer (average 14 months) than patients with high AFP level(AFP>400ng/ml, average 4 months, p<0.001). Patients with low αl-antitrypsin level (AAT<300 mg/dl) survived longer (average 14 months) than patients with high AAT level (AAT>300mg/dl, average 4 months, p<0.001). Especially, in HCC with low AFP level (AFP<400ng/ml), patients with low AAT level (AAT<300mg/dl) survived longer(average 21 months) than patients with high AAT level (AAT>300mg/dl, average 14 months, p=0.001). Patients with Child's classification A and B showed no signigicant differences in their survival. Conclusion: Serum AAT level may be an important prognostic index in patients with HCC and especially it may be more valuable in patients who had low serum AFP level.