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상하악 대구치 부위에서 넓은 직경 임플란트의 생존율에 대한 후향적 연구
박경아,정철웅,류경호,박광범,김영준,Park, Kyung-Ah,Jeong, Cheol-Woong,Ryoo, Gyeong-Ho,Park, Kwang-Bum,Kim, Young-Joon 대한치주과학회 2007 Journal of Periodontal & Implant Science Vol.37 No.4
Endosseous implants are used in the treatment of various types of tooth loss, and numerous long-term studies have demonstrated the excellent reliability of this method of treatment. However, the increase of implant failure are associated with inadequate quality and/or height of bone. At the end of the 1980s, Wide(>3.75mm) implants were initially used for managing these difficult bone situations. The recommended indications for its use included poor bone quality, inadequate bone height. immediate placement in fresh extraction sockets, and immediate replacement of failed implants. At the 2000s, wider implants(6.0mm and 6.5mm) were used in a few studies. Although good clinical outcomes have been reported in recent years, there is still a controversy on this topic. Therefore, the purpose of this study was to estimate the survival rate of wide implants($6.0{\sim}8.0mm$) in molar regions, evaluating the clinical outcome. In this study, 1135 RBM surfaced wide implants($Rescue^{TM}$, MEGAZEN Co., Korea/595 maxillary, 540 mandibular) were placed in 650 patients(403 male, 247 female/age mean: $51.2{\pm}11.1$ years, range 20 to 83 years). Of the total, 68.3% were used to treat fully or partially edentulous situations, including single-tooth losses and 31.7% were placed immediately after teeth extraction or removal of failed implants, of which all were in the molar regions. Implant diameter and length ranged from 6.0 to 8.0mm and from 5.0 to 10.0mm respectively. The implants were followed for up to 42 months (mean: $14.6{\pm}9.5$ months). Of 1135 placed implants, 58 implants were lost. Among them, 53 implants were lost within 12 months after implant placement. The survival rate was 93.6% in the maxilla and 96.3% in the mandible, yielding an overall survival rate of 94.9%, for up to 42 months. As the result of Cox regression model, prosthetic type, sinus graft, and patient gender have an statistical significance on the implant survival rate in this study. This study suggests that the use of wide implants($6.0{\sim}8.0mm$) would provide a predictable treatment alternative in posterior areas.
박경아,Park Gyeong-A 한국도서관협회 2004 圖協會報 Vol.45 No.1
‘도서관문화’ 편집실에서 회원 여러분들을 대신하여 매월 1곳씩 가보고 싶은 도서관을 둘러보고 그 탐방기를 게재하고자 한다. 첫 번째 탐방은 2003년도 국내 도서관계 10대 뉴스 선정 인터넷 투표에서 나타난 도서관인들의 관심을 반영하여 국내 제1호 대통령도서관인 김대중 도서관을 다녀왔다
interview - 서울문화재단 유인촌 대표를 만나다
박경아,Park, Gyeong-A 한국도서관협회 2004 圖協會報 Vol.45 No.9
우리 협회는 최근 서울문화재단, 서울시공공도서관협의회와 공동으로 '책 읽는 서울-기초 예술 책부터 시작이다'라는 주제로 독서 운동을 시작했다. 이 운동은 서울문화재단의 제의로 논의가 시작되었으며, 지난 9월 4일 서울시청 광장에서 개막식을 갖고 본격적으로 시작되었다. 이에 이번 호는 30년 넘게 연극 배우로, 대학 교수로, 극단 대표로 활동해오다, 지난 5월부터 새로 출범한 서울문화재단을 책임지고 있는 유인촌 대표를 남산에 위치한 재단 사무실에서 만났다.
17α-Hydroxylase 결핍에 인한 남성가성반음양 1례
박경아,정연경,이정렬,최영민,이경훈,김희승,지병철,구승엽,서창석,김석현,김정구,문신용,김성연,Park, Keoung Ah,Chung, Youn Kyung,Lee, Jung Ryeol,Choi, Young Min,Lee, Gyoung Hoon,Kim, Hee Seung,Jee, Byung Chul,Ku, Seung Yup,Suh, Chang Suk,Kim, 대한생식의학회 2006 Clinical and Experimental Reproductive Medicine Vol.33 No.2
46,XY 핵형인 남성에게서 $17{\alpha}$-hydroxylase의 결핍이 있을 경우 성호르몬의 생성장애로 인해 남성가성반음양에 의한 여성 표현형을 보이게 된다. 코티졸이 결핍되면 부신피질자극호르몬의 증가 및 이로 인한 광불무신피질호르몬의 합성이 증가되어 저레닌성 고혈압, 저칼륨혈증이 발생한다. 41세 된 여자 환자가 원발성 무월경과 고혈압을 주소로 내원하였다. 46,XY 핵형을 보였으며, 호르몬 검사상, 혈중 에스트라디올, 테스토스테론, 레닌, 코티졸이 감소되어 있으며 부신피질자극호르몬 및 deoxycorticosterone이 증가되어 있어 $17{\alpha}$-hydroxylase 결핍에 의한 남성가성반음양으로 진단되었다. 이 질환의 치료로 복강경을 이용한 양측 고환적출술을 시행하였고, 부신피질호르몬과 항고혈압 재제, 에스트로젠을 투여하였다. 본 연구에서는 위 증례에 대하여 간단한 문헌고찰과 함께 보고하는 바이다. Female phenotype of a 46,XY male may originates from male pseudohermaphroditism due to $17{\alpha}$-hydroxylase deficiency. Lack of cortisol increases adrenocorticotropic hormone (ACTH) and mineralocorticoid production, leading to low renin hypertention and hypokalemia. A 41-year-old phenotypic female presented primary amenorrhea and hypertension. In the hormonal profile, the levels of serum estradiol, testosterone, rennin, and cortisol were decreased and ACTH and deoxycorticosterone were increased. Laparoscopic bilateral gonadectomy was performed, and corticosteroid, antihypertensive drugs, and estrogen were administered. We report this case with a brief review of the literatures.
굴절조절내사시 환자에서 안경 착용을 시작한 연령이 굴절력 변화에 미치는 영향
박경아,김선아,오세열,Kyung-Ah Park,MD,Sun,Ah Kim,MD,Sei Yeul Oh,MD 대한안과학회 2009 대한안과학회지 Vol.50 No.2
Purpose: To evaluate the effect of age wearing prescription glasses on changes in refractive error in accommodative esotropia Methods: We retrospectively reviewed the charts of 63 patients with accommodative esotropia. The patients were divided into three groups according to their age when glasses were prescribed. Changes of the refractive error between the three groups were compared. Results: The mean age at the first visit was 4.1±2.0 years and the mean follow‐up period was 5.7±2.7 years. In children that began wearing glasses before two years of age, the spherical equivalent (SE) refractive error initially increased, peaked 2.5 years after starting to wear glasses, and slowly decreased thereafter. In children who started wearing glasses after two years but not before four years of age the SE refractive error increased and peaked 1.5 years after starting to wear glasses. For children who began wearing glasses after four years of age the SE refractive error increased and peaked after one year. Changes in the refractive error in the youngest age group were significantly different from the other two groups (p=0.064). Conclusions: The age when glasses are prescribed may influence normal emmetropization in accommodative esotropia. However, further studies with longer follow‐ups will be needed to determine the effect of wearing glasses on the final SE refractive error.