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RISS 인기검색어
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- 저자 : 조수진(Cho, Soo-Jin) (검색결과 264 건)
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조수진,서고훈,김윤명,김구환,유한욱,이범희,Cho, Sujin,Seo, Go Hun,Kim, Yoon-Myung,Kim, Gu-Hwan,Yoo, Han-Wook,Lee, Beom Hee 대한유전성대사질환학회 2018 대한유전성대사질환학회지 Vol.18 No.1
메틸말론산혈증은 선천성 유기산대사질환 중 하나로 증상의 발현시기 및 임상 증상이 매우 다양하며, 장기간의 합병증으로 세뇨관 간질 신염과 만성 신기능 저하, 췌장염, 기저핵 손상, 지능저하가 발생 할 수 있다. 연구자들은 이러한 메틸말론산혈증의 세뇨관 간질신염을 동반한 활동저하 환자에서 파미드로네이트 치료를 통해 고칼슘혈증과 골다공증의 호전을 경험하였기에 보고하는 바이다. Methylmalonic acidemia is an autosomal recessive disorder caused by complete (mut0) or partial (mut-) deficiency of methylmalonyl-CoA mutase (MUT) or by defects in the synthesis of adenosylcobalamin (cblA, cblB, cblD variant 2). Long term complications of methylmalonic acidemia include tubulointerstitial nephritis with progressive renal failure, intellectual impairment, pancreatitis, and growth failure. We report a case of methylmalonic acidemia in a girl who diagnosed at 6 days after birth. She has developed recurrent metabolic crises with hyperammonemia and metabolic acidosis. In addition, she suffered from the chronic complications including tubulointerstitial nephritis, electrolyte imbalance associated with renal dysfunction, growth failure and fracture of femur shaft. At the age of 10 years, hypercalcemia and severe osteoporosis were noted, and pamidronate therapy was given for two years, which relieved hypercalcemia and osteoporosis.
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조수진,김도연,신동완,Cho, Soojin,Kim, Doyeon,Shin, Dong Wan 한국통계학회 2016 응용통계연구 Vol.29 No.1
본 논문은 장외거래 수익률을 이용하여 추정한 여러 실현변동성들을 실증적으로 비교분석한다. 실제 금융 자산 시장에서는 장외시간이나 휴일에 거래가 적거나 드물게 나타나기 때문에 하루 전체의 실현변동성을 정확히 계산하는데 문제가 발생한다. 이를 해결하기 위해 제안되어진 장외거래 수익률을 여러 가지 방법으로 반영한 다양한 실현변동성의 추정치들에 대한 검토가 이루어진다. 실제 데이터의 실현변동성 추정치들의 예측정확성을 비교하기 위해 미국의 NASDAQ 지수와 S&P500 지수와 우리나라의 KOSPI 지수와 원/달러환율이 분석된다. 적분변동성의 불편추정치인 다음날의 로그수익률의 제곱을 기준으로 일일 실현 변동성의 추정치들은 비교되어지며 비교를 위해 절대평균오차(MAE)와 제곱평균오차근(RMSE)이 이용된다. 또한 통계적 추론을 위하여 Model Confidence Set(MCS) 방법과 Diebold-Mariano 검정법을 사용한다. 세 가지 주가지수 데이터에 대해 동일한 최적 방법이 선택되어지는데, 장외시간 수익률을 이용하여 장내시간 실현변동성의 크기 조정을 한 방법이다. This study makes an empirical comparison of various realized volatilities (RVs) in terms of overnight returns. In financial asset markets, during overnight or holidays, no or few trading data are available causing a difficulty in computing RVs for a whole span of a day. A review will be made on several RVs reflecting overnight return variations. The comparison is made for forecast accuracies of several RVs for some financial assets: the US S&P500 index, the US NASDAQ index, the KOSPI (Korean Stock Price Index), and the foreign exchange rate of the Korea won relative to the US dollar. The RV of a day is compared with the square of the next day log-return, which is a proxy for the integrated volatility of the day. The comparison is made by investigating the Mean Absolute Error (MAE) and the Root Mean Square Error (RMSE). Statistical inference of MAE and RMSE is made by applying the model confidence set (MCS) approach and the Diebold-Mariano test. For the three index data, a specific RV emerges as the best one, which addresses overnight return variations by inflating daytime RV.
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조수진,이근우,조규성,문익상,Jo, Soo-Jin,Lee, Keun-Woo,Cho, Kyoo-Sung,Moon, Ik-Sang 대한치주과학회 2003 Journal of Periodontal & Implant Science Vol.33 No.3
The aim of this retrospective study was to compare the amount of marginal bone loss between upper anterior area and upper posterior area with 71 upper single-tooth restorations on 2 stage machined $Br{{\aa}}nemark$ implants since Jan 1995. The second aim was to compare the bone defect group which had dehiscence and fenetration and the others in the upper anterior region. The results were as follows. 1. The most frequent reason of missing tooth in the upper anterior region was trauma by 61%. While upper posterior region showed various reasons such as congenital missing, advanced periodontitis, trauma. 2. Peri-implantitis with fistula occurred 1 of 41 implants in the upper anterior group in 1 year after loading and 2 of 32 implants in the upper posterior group failed before loading. The 1 year success rate of upper anterior group was 97.56 %, and 93.75 % for upper posterior group. 3. The mean marginal bone loss in the upper anterior group was 0.44${\pm}$0.25 mm, while 0.57${\pm}$0.32 mm in the upper posterior group. There was statistically significant difference in the amount of mean marginal bone loss (P<O.05). 4. The mean marginal bone loss of bone defect group was 0.40${\pm}$0.10 mm at one year, and 0.48${\pm}$0.26 mm for the control group. No statistically significant difference of mean marginal bone loss was showen between bone defect group and the others at implantation. According to the results, the upper anterior region showed less marginal bone loss than the upper posterior region. In case of missing single upper tooth, careful consideration on recipient residual ridge to determine proper implant diameter and length, sufficient healing time, proper loading would lead to implant success. Single tooth implants in the maxilla seemed to be an alternative to fixed partial dentures without damage to adjacent teeth.
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조수진,장숙랑,조성일,Cho, Su-Jin,Jang, Soong-Nang,Cho, Sung-Il 대한예방의학회 2008 예방의학회지 Vol.41 No.5
Objectives : Most studies about multiple roles and women's health suggested that combining with paid job, being married and having children was more likely to improve health status than in case of single or traditional roles. We investigated whether there was better health outcome in multiple roles among Korean women coinciding with previous studies of other nations. Methods : Data were from the 2005 Korea National Health & Nutritional Examination Survey, a subsample of women aged 25-59 years (N=2,943). Health status was assessed for self-rated poor health, perceived stress and depression, respectively based on one questionnaire item. The age-standardized prevalence of all health outcomes were calculated by role categories and socioeconomic status. Multiple logistic regression was used to assess the association of self rated health, perceived stress, and depression with multiple roles adjusted for age, education, household income, number of children and age of children. Results : Having multiple roles with working role was not associated with better health and psychological wellbeing. Compared to those with traditional roles, employed women more frequently experienced perceived stress, with marital and/or parental roles. Non-working single mothers suffered depression more often than women with traditional roles or other role occupancy. Socioeconomic status indicators were potent independent correlates of self-rated health and perceived stress. Conclusions : Employment of women with other roles did not confer additional health benefit to traditional family responsibility. Juggling of work and family responsibility appeared more stressful than traditional unemployed parental and marital role in Korean women.
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일차성 방광요관역류 소아에서 항생제 예방요법 중에 발생한 재발성 요로감염의 빈도와 위험인자
조수진,김현진,이정원,이승주,Cho Su-Jin,Kim, Hyun-Jin,Lee Jeong-Won,Lee Seung-Joo 대한소아신장학회 2005 Childhood kidney diseases Vol.9 No.1
목 적 : 일차성 방광요관역류 소아에서 재발성 요로감염은 신반흔의 원인으로 장기간 저용량 항생제 예방요법이 권장되어 왔다. 그러나 최근 항생제 예방요법의 효과에 대한 의문이 제기되었고 항생제 내성에 대한 우려도 있었다. 이에 일차성 발광요관역류 소아에서 항생제 예방요법의 효과에 대한 기초자료를 얻기 위하여 항생제 예방요법에 발생한 재발성 요로감염의 빈도와 위험요인을 조사하고자 하였다 방 법 : 1995년 3월부터 2001년 12월까지 이대목동병원 소아과에서 첫 발열성 요로감염 후에 일차성 방광요관역류가 발견되어 1년간 저용량의 trimethoprim-sulfimethoxazole을 투여 받은 91명을 후향적으로 조사하여 재발성 요로감염의 빈도와 요로감염의 위험요인들을 분석하였다. 결 과 : 재발성 요로감염은 31.9%(29/91)에서 발생하였고 이는 0.32회/환자년 이였다. 발열성 요로감염은 0.26회/환자년이였고 비발열성 요로 감염은 0.07회/환자년이였다. 포경 남아에서 요로 감염의 재발율은 37.2%(19/54)로 포경이 없는 남아의 0%(0/5)에 비하여 유의하게 높았다(P=0.025). 위험 예측치는 신반흔에서만 유의하게 높았다[RR=3.8(95% CI 1.0-14.1), P=0.04]. 여아, 연령, 급성신우신염, 배뇨장애 및 원인균 등은 위험인자로 작용하지 않았고 방광요관역류의 정도에 짜른 유의한 차이도 없었다. .결 론 : 일차성 방광요관역류가 있는 소아에서 항생제 예방요법은 요로감염의 재발을 억제하지 못히였다. 포경과 신반흔이 재발성 요로감염의 위험요인이였고 방광요관역류의 정도에 따른 차이는 없었다. 일차성 방광요관역류 소아에서 우선적으로 포경과 신반흔이 없는 소아에서부터 항생제 예방요법을 시행하지 않는 무작위 대조연구가 필요할 것으로 생각된다. Purpose : Recurrent urinary tract Infection(UTI) in primary vesicoureteral reflux(VUR) may lead to serious renal scarring, a major cause of childhood hypertension and end-stage renal disease. To prevent recurrent UTI, low-dose long--term antibiotic prophylaxis has been recommended. However, recurrent UTI still develops during antibiotic prophylaxis, the efficacy of which is now being disputed. The emergence of resistant bacteria has also raised concerns. To evaluate the effect of antibiotic prophylaxis, we investigated recurrent UTI during prophylactic antibiotic use in children with primary VUR Materials : The incidence and risk factors of recurrent UTI were retrospectively evaluated in ninety-one children with primary VUR on trimethoprim- sulfamethoxazole(TMP/SMX) prophylafis during the year following their index febri]e UTI. Results : Recurrent UTI occurred in 31.9%(29/91) children and comprised 0.32 episodes/patient year. Febrile UTI was 0.26 episode/patient year and afebrile UTI was 0.07 episodes/patient year. The recurrent rate of UTI in male patients with phimosis was 37.2%(19/51), which was significantly higher than in males without phimosis 0%(0/5)(P=0.025). In the logistic regression analysis for recurrent UTI, renal scar was the significant risk factor for recurrent UTI [RR 3.8(95% CI 1.0-14.1) P=0.04]. For other well-known risk factors such as sex, age, degree of VUR, APN, and voiding dysfunction, the differences were not significant. Conclusion : TMP/SMX prophylaxis did not prevent recurrent UTI in children with primary VUR. Phimosis and renal scars were the risk factors for recurrent UTI but the grade of primary VUR was not. In VUR without phlmosis and renal scar, a randomized controlled study without antibiotic prophylaxis is required. (J Korean Soc Pediatr Nephrol 2005;9:46-55)
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조수진,이의택,Cho, S.J.,Lee, E.T. 한국전자통신연구원 1998 전자통신동향분석 Vol.13 No.2
외부에서 주어지는 힘에 대하여 변형이 되는 곡면(혹은 곡선, 입체)의 움직임을 사실적으로 구현하는 일은 컴퓨터 그래픽스에서 많은 관심을 받고 있는 분야이다. 1980년대 이전에는 주로 기하학적인 방법이 쓰였으므로 움직임을 사실적으로 구현하는 데 제약이 있었다. 본 논문에서는 물리법칙을 표현하는 방정식을 이용하여 변형 가능한 곡면의 움직임을 좀 더 사실적으로 구현하는, 이른바 물리법칙을 이용한 모델링에 관하여 알려진 방법과 결과들을 소개한다.
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