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누소관 열상환자에서 Mini Monoka$^{(R)}$를 이용한 지연된 스텐트 삽입술
황재하,김홍민,김지훈,김광석,이삼용,Hwang, Jae-Ha,Kim, Hong-Min,Kim, Ji-Hoon,Kim, Kwang-Seog,Lee, Sam-Yong 대한미세수술학회 2011 Archives of reconstructive microsurgery Vol.20 No.1
Purpose: Canalicular laceration is relatively common due to its exposed, vulnerable location in case of facial trauma. Conjunctivodacryocystorhinostomy has been the standard treatment for canalicular obstruction secondary to unrepaired canalicular laceration. In spite of a high rate of relieving tear-duct obstruction, this method is noted to be associated with low rate of patient satisfaction and a number of complications. The goal of this study is to report the good results of delayed lacrimal stent implantation with Mini Monoka$^{(R)}$ for patients whose canaliculi were not repaired by initial surgery. Methods: From May of 2005 to February of 2007, four patients who underwent delayed lacrimal stent implantation using Mini Monoka$^{(R)}$ in canalicular laceration were retrospectively reviewed. First, the previous scar incision was made over the lower lid and we identified the cut end of proximal lacerated canaliculus. The Mini Monoka$^{(R)}$ was passed through the punctum to the cut end of the proximal lacerated canaliculus. We identified the cut end of the distal lacerated canaliculus, whose cut end has rolled white edges after careful excision of the scarred lid tissue. We then passed Mini Monoka$^{(R)}$ through the lacerated inferior canaliculus. Using an operating microscope, we placed three interrupted sutures of 8-0 Ethilon to join the canalicular ends. Silicone stent was left in place for 6 months. The mean age of the patients was 48.5 years (range, 35 to 59 years). The time interval from initial trauma to delayed lacrimal stent implantation was between 3 and 31 days. Follow-up periods ranged from 12 and 20 months. Results: The results of reconstruction were classified into normal, fair and poor. Patent lacrimal drainage systems were achieved in three of the four cases. In one case, epiphora was encountered. No cases of stent displacement, conjunctivitis or granuloma formation were encountered. Conclusion: Even though canalicular reconstruction was delayed for a long time, attempting canalicular reconstruction would be acceptable before considering secondary operations like dacryocystorhinostomy and conjunctivodacryocystorhinostomy.
황재하,Hwang, Jae Ha 대한자원환경지질학회 1998 자원환경지질 Vol.31 No.6
A new trigonometrical method for calculating total slip (T) of faulting is presented. The parameters for the calculations are used rake of fault striation, strike and dip of fault and of index planar structure such as bedding plane. The faults are groupped into three types. The direction of plunging of fault striation is out of a range ${\pm}90^{\circ}$ to the bedding dip direction in $360^{\circ}$ system, which is groupped into the type I. Meanwhile, the case of the direction lies in the above range can be separated into two different types, type II and type III, according to relative largeness of the angles rake of fault striation and i (see text). The type II has smaller rake than angle i and the type III has larger rake than angle i. Here I propose a few equations for calculating not only total slip (T) but strike slip (L) or dip slip (S) of the faulting. The equations are adapted selectively to the types of fault mentioned before. The limitation of the method is that the equations do not fit to polyphase faulting.
황재하,이병주,송교영,Hwang, Jae Ha,Lee, Byung Joo,Song, Kyo Young 대한자원환경지질학회 1994 자원환경지질 Vol.27 No.2
Cheju Island was formed by volcanic activity probably related to the inferred geodynamics in the early Quaternary times. Paleostress analysis, in spite of a few fault slip data collected near Sanbangsan trachyte dome (dated 0.87 Ma) represents an extentional tectonic event with the direction ENE-WSW. Joint anayses in the vicinity of Seahwa reveal three extensional tectonic events of directions NW-SE, NE-SW and ENE-WSW. Especially the extensional event with the direction ENE-WSW affected the whole Cheju area during the most recent time.
특별강연 및 일반연제 발표 : 자동 복막투석 (automated peritoneal dialysis) 환자의 임상상
황재하 ( Hwang Jae Ha ),송현용 ( Song Hyeon Yong ),노현진 ( No Hyeon Jin ),신석균 ( Sin Seog Gyun ),노현정 ( No Hyeon Jeong ),류동렬 ( Lyu Dong Lyeol ),유태현 ( Yu Tae Hyeon ),강신욱 ( Kang Sin Ug ),최규헌 ( Choe Gyu Heon ),하성규 대한신장학회 1999 춘계학술대회 초록집 Vol.18 No.2
황재하 ( Hwang Jae Ha ),이창석 ( Chang-suck Lee ) 한국부동산학회 2008 不動産學報 Vol.35 No.-
1. CONTENTS (1) RESEARCH OBJECTIVES This thesis reviewed for the housing policy and interference of government. (2) RESEARCH METHOD This thesis use the descriptive, exploring, and analyzing methods through literature investigation and existing statistics (3) RESEARCH FINDINGS This thesis has the following contents. 1. Defects of market mechanism for real estate's market and necessities of interference of government. 2. Effects and limits of government's policy. 3. Valuations of housing policy and rolls of government. 4. Problems and views of hosing policy of government. 2. RESULTS In general, real estate's market including housing has characteristics for supply's restrictions by limit of land so real estate's market is different from another products. Therefore, government's interference just needs but its interference will have unstability of demand & supply and big changes of price by government's control. And excessive interference of government may be operate missed free market mechanism, unstable market by change of price and reduction of supply. So government's policy essentially must be provided safety & equilibrium of real estate's market, besides that based upon systematic and consistent policy of government.