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선천성 보흐다레크 횡격막 탈장 - 대한소아외과학회 회원 대상 전국 조사 -
김재천,김대연,김상윤,김성철,김인구,김재억,김해영,김현영,박귀원,박우현,박진영,백홍규,서정민,송영택,오수명,이남혁,이두선,이명덕,이석구,이성철,정상영,정성은,정연준,정을삼,정풍만,Kim, Jae-Chun,Kim, D.Y.,Kim, S.Y.,Kim, S.C.,Kim, I.K.,Kim, J.E.,Kim, H.Y.,Kim, H.Y.,Prak, K.W.,Prak, 대한소아외과학회 2006 소아외과 Vol.12 No.1
This is a survey on congenital posterolateral diaphragmatic hernia, conducted by the Korean Association of Pediatric Surgeons(KAPS). A registration form for each patient during the 5-year-period between 1998 and 2002 and a questionaire were sent to each member. Twenty-ninemembers in 22 institutions returned completed forms. The average number of patients per surgeon was 1.4 cases a year. The male to female ratio was 1.64: 1, and annual incidencewas 1/14,522 live births. In this review, factors influencing survival in congenital posterolateral diaphragmatic hernia were age at admission, birth weight, time of antenatal diagnosis, birth place, Apgar score, onset time of symptoms and signs, preoperative cardiopulmonary resuscitation, associated anomalies of themusculoskeletal system, central nervous system, or chromosomes, preoperative stabilization, levels of preoperative $FiO_2$, pH, and $AaDO_2$, perioperative complications, bilaterality of defect, size of the defect, and presence or absence of hernia sac.
김재천 의과학연구소 1989 全北醫大論文集 Vol.13 No.1
A retrospective survey of 150 children 15years of age and younger treated for perforated appendicitis during a period of 13 years was conducted. A 77.8 porcent incidence of perforation was noted in the group under the age of five, after which the frequency of perforation declined, and operative finding of diffuse peritonitis was observed most frequently(42.7%). Atypical sequence of symptoms was shown in 62.0 percent and the only one symptom was complained in 52.7 percent at the time of hospital admission, but there were one or more physical signs indicating laparotomy in all the patients. The specific causes of delayed treatment were presented in 22.0 percent, and misdiagnosis was the most common among them(19.3%). There was no nortality and the overall complication rate was 49.3 percent. The most common complication was wound infection(36.7%), and others were adhesive ileus(17.3%), intraabdominal abscess(4.0%), wound dehiscence(3.3%), etc. According to operative findings, a complication rate of 60.9 percent in the cases associated with diffuse peritonitis was greater than those noted in the cases associated with localized peritonitis(33.3%) and periappendiceal abscess(46.0). (p<0.05). Concerning the timing administration of antibiotics with regard to the incidence of infectious complications, preoperative use was not effective compared to postoperative use statistically(368% vs 52.9%). (p>0.05). In regard to the incidence of wound complications, Davis-Rockey skin incision was more effective than right paramedian incision statistically(20.0% vs 41.7%). (p<0.05). As regards the incidence of abdominal complications according to operative methods, appendectomy was the best method compared to appendectomy with drainage, right hemicolectomy with drainage or drainage(11.5% vs 54.7%, 50.0%, and 40.0% respectively). (p<0.05). In the 10.5 percent among the 124 patients who underwent drainage procedure with/without appendectomy or right hemicolectomy, reoperation was done due to various complications. Incidence of drain-related complications such as wound infection, adhesive ileus and others was 54.0 percent in the drainage group and 11.5 percent in the nondrainage group, and the difference was significant statistically(p<0.05). Among the various methods of operative wound management to prevent infection, primary wound closure after high pressure syringe irrigation with saline or 0.5% kanamycin solutions was the most efficient method to decrease the rate of wound infection(4.8) compared to other methods, i.e. primary closure after simple irrigation(46.3%) or delayed primary closure after simple or high pressure syringe irrigation(57.7%) with the above mentioned solutions(p<0.05). This study suggests that use of adequate systemic antibiotics from preoperative period, transvorse skin incision, and primary wound closure after high pressure syringe irrigation and avoidance of drains woud significantly decrease the sequelae from perforated appendicitis in children.
惡과 苦의 비교연구 ─ 기독교와 불교의 인간세상 해석 ─
김재천 동국대학교 동서사상연구소 2011 철학·사상·문화 Vol.0 No.12
I want to know what the problem of the world is, and what the solution of it is in Christianity and Buddhism. It provide the world for evil, and the sin of the mortal is the cause of the evil in Christianity. If human being lives up to action the love to God and neighborhood and offers a prayer with modesty, peace, justice, and joy comes on world. It is a Heaven. People is filled with suffering in Buddhism. The ignorance of mankind on the truth and thirsty with attachment is the cause of it. Suffering and agony will disappear with the mercy to all people and 8 right path. It is a nirvāṇa. The metaphysical principle of world system is God's providence in Christianity and retribution followed with man's action in Buddhism. That is the difference in the two religions. 기독교와 불교에서 세상을 어떻게 보고 있으며, 그 문제점에 대한 해법은 무엇인지 알아보고자 한다. 기독교에서는 세상을 악의 세계로 규정하고 있으며 자유의지를 오용한 인간의 죄가 그 원인이라고 한다. 인간이 신과 이웃에 대한 사랑을 실천하고 겸허하게 기도하는 자세를 갖게 된다면 평화와 정의와 기쁨이 넘치는 세상이 도래한다고 하며, 그것이 천국이다. 불교에서는 세상을 고통이 가득한 것으로 보고 있으며, 인간의 진리에 대한 무지와 욕망과 집착으로 이루어진 갈애가 그 원인이라고 한다. 만인에 대한 자비행과 팔정도라는 수행법에 의해 번뇌는 소멸하게 되니, 그것이 열반이다. 세상을 움직이는 형이상학적 원리에 대해서는 신의 섭리와 인간 각자의 행위에 의한 인과법이라는 차이를 보이고 있다.
바이올린과 첼로 연주 데이터를 이용한 분류 알고리즘의 성능 비교
김재천,곽경섭,Kim Jae Chun,Kwak Kyung sup 한국통신학회 2005 韓國通信學會論文誌 Vol.30 No.5C
음악인식에 주로 사용되는 세 가지 알고리즘의 성능을 비교하였다. 다양한 분류알고리즘을 소개하고 그 중 베이지안법, 최근접이웃법과 k-최근접이웃법을 이용하여 악기를 분류하였다. 악기 샘플파일에서 영교차율, 평균, 분산, 평균피크레벨의 4가지 특성값을 추출하여 분류시스템의 데이터로 사용하였다. 사용된 악기 샘플은 바이올린, 바로크 바이올린, 바로크 첼로이다. 실험결과 최근접이웃 알고리즘이 악기 분류에 있어서 가장 좋은 성능을 보여 주었다. 최근접이웃 알고리즘은 단순하면서도 빠른 계산결과를 보여 악기 분류에 적절한 알고리즘으로 판단되었다. Three classification algorithms are tested using musical instruments. Several classification algorithms are introduced and among them, Bayes rule, NN and k-NN performances evaluated. ZCR, mean, variance and average peak level feature vectors are extracted from instruments sample file and used as data set to classification system. Used musical instruments are Violin, baroque violin and baroque cello. Results of experiment show that the performance of NN algorithm excels other algorithms in musical instruments classification.