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정태엽,허웅,최신,한성민,권미란,최원충,김관엽,김영덕 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.2
While intussusception occurs rarely in adults, it presents almost always secondary to a definable primary lesion. The likelihood of neoplasia as the primary lesion is high particularly in the colon and operative management is thus always necessary. We experienced a case of intussusception, which was induced by lipoma in colon, in 64-year-old man presented with intermittent vague abdominal pain for a month. The patient was diagnosed by ultrasound & colonoscopy and treated with segmental resection of colon.
정태엽 ( Tae Yeob Jeong ),김유선 ( You Sun Kim ),박경준 ( Kyung Jun Park ),이종성 ( Jong Sung Lee ),허진국 ( Jin Gook Huh ),류수형 ( Soo Hyung Ryu ),이정환 ( Jung Hwan Lee ),문정섭 ( Jeong Seop Moon ) 대한소화기학회 2008 대한소화기학회지 Vol.51 No.3
Leiomyosarcoma is a rare tumor of the liver. It usually arises from many other organs including uterus, gastrointestinal tract, retroperitoneum, and soft tissues. Primary hepatic leiomyosarcoma progresses very slowly and is not associated with chronic liver disease. When the tumor is detected early enough to be treated by operation, the prognosis is favorable. While several cases of primary hepatic leiomyosarcoma have been reported in Korea, there was no case associated with acute bleeding. We report a 80-year old male patient with huge primary hepatic leiomyosarcoma, who presented with acute bleeding and IVC obstruction. The patient was treated by embolization and IVC stenting. (Korean J Gastroenterol 2008;51:194-198)
유지혈액투석을 받고있는 당뇨병과 비당뇨병 환자에서 혈중 총 이산화탄소량의 의미
정태엽 ( Tae Yeob Jeong ),박원도 ( Won Do Park ) 대한신장학회 2003 Kidney Research and Clinical Practice Vol.22 No.1
목적 : 신기능이 감소됨에 따라 다양한 정도의 대사성 산증 동반하게 되며, 대사성 산증은 투석 환자의 장기적 예후 및 합병증의 발생과 관련이 있는 것으로 알려져 있다. 일반적으로 투석 환자에서 심한 산증은 교정하여야 하는 것으로 알려져 있으나, 정도의 산증이 있는 혈액투석환자가 오히려 영향상태가 좋다는 보고도 있었다. 그러나, 투석 환자에서 당뇨병 환자가 차지하는 비율에 비해서 당뇨병 환자를 대상으로 하는 연구 결과는 미미한 실정이다. 이에 장기혈액투석 환자에서 당뇨병 환자의 혈청 총 이산화탄소량과 기타 영양지표를 측정하여 비당뇨병 환자와 비교 분석하여 그 의미를 알아보고자 하였다. 방법 : 1999년 1월 부터 2000년 12월까지 3개월 이상 혈액투석을 받았던 50명의 환자들을 대상으로 당뇨병 환자 21명과 비당뇨병 환자 29명으로 나누어 매월 초 시행한 혈액검사를 바탕으로 TCO_2 및 여러 지표를 측정하여 비교분석 하였다. 결과 : 전체 대상 환자에서 TCO_2는 nPCR, 혈철 알부민, 요소질소, 그리고 크레아티닌과 역상관관계가 있었으며, 다중 희귀분석을 이용한 독립 인자 분석에서는 혈중 요소질소와 연령이 TCO_2에 영향을 주는 독립인자이었다. 전체 대상 환자를 당뇨병 환지에 비당뇨병 환자로 나누어 비교해 보았을 때 각종 영양지표와 투석지표 사이에는 차이가 없었으며, 당뇨병 환자에서 TCO_2가 nPCR과 역상관관게가 있었고 nPCR이 독립인자이었으며, 비당뇨병 환자에서 TCO_2가 혈청크레아티닌과 역상관관계가 있었고 혈청 크레아티닌이 독립인자이었다. 결론 : 단백질 섭취의 증가가 대사성 산증을 일으키는 중요한 원인의 하나이지만, 본 연구에서는 당뇨병 환자에서 충분한 단백질의 섭취로 인해 TCO_2와 개선된 영양상태를 유지하였다. 그러므로, 또한 당뇨병 환자에서 비당뇨병 환자보다 충분한 단백질의 섭취가 산-연기 평형에 중요한 역할을 함으로서, 당뇨병 환자에서 영양상태 및 단백질 섭취에 대한 감시가 더욱 필요할 것으로 사료된다. Objective : Various degrees of metabolic acidosis are accompanied by the decrease in the kidney function. It is known that dialysis patients` long-term convalescences and complications are related to metabolic acidosis. It is generally known that the extreme acidosis of the dialysis patients should be corrected but on the contrary, there are reports on hemodialysis patients with slight acidosis have better nutritional condition. However, the research results are rare compared to the ratio of diabetic patients among dialysis patients. Therefore, in this paper we tried to reach a conclusion by comparing and analyzing the total carbon dioxide of the serum and other nutrition parameters of the diabetic patients among long-term hemodialysis patients with the non-diabetic patients. Methods : We divided 50 patients, who have been hemodialysis for longer than three months, into 21 patients with diabetes and 29 patients with nondiabetes. And compared and analyzed the TCO_2 in addition to measuring other parameters based on the blood tests carried out on the beginning of every month from January of 1999 to December of 2000. Results : TCO_2 showed a inverse correlation with nPCR, serum albumin, blood urea nitrogen, and creatinine on the correlation analysis of the total target patients. And blood urea nitrogen and age were the independent factors in the independent factor analysis using multiple regression analysis. When we divided and compared the total target patients into diabetic patients and no-diabetic patients, there were no signigicant differences between various kinds of nutrition parameters and dialysis parameters. And TCO_2 showed a inverse correlation with nPCR, nPCR being the independent factor in the diabetic patients. In addition, TCO_2 showed a inverse correlation with serum creatinine, serum creatinine being the independent factor in the non-diabetic patients. Conclusion : Increase of ingestion of protein was one of the important factors in inducing metabolic acidosis, but the TCO_2 and improved nutritional condition resulting from ingesting sufficient protein could be preserved in the diabetic patients. Therefore we think that the diabetic patients` nutritional condition and supervision of their ingestion of protein is more needed as sufficient ingestion of protein is a major factor in balancing acid-base for diabetic patients than non-diabetic patients.
Orthodontic bracket bonding to glazed full-contour zirconia
곽지영,정효경,최일경,권태엽 대한치과보존학회 2016 Restorative Dentistry & Endodontics Vol.41 No.2
Objectives: This study evaluated the effects of different surface conditioning methods on the bond strength of orthodontic brackets to glazed full-zirconia surfaces. Materials and Methods: Glazed zirconia (except for the control, Zirkonzahn Prettau) disc surfaces were pre-treated: PO (control), polishing; BR, bur roughening; PP, cleaning with a prophy cup and pumice; HF, hydrofluoric acid etching; AA, air abrasion with aluminum oxide; CJ, CoJet-Sand. The surfaces were examined using profilometry, scanning electron microscopy, and electron dispersive spectroscopy. A zirconia primer (Z-Prime Plus, Z) or a silane primer (Monobond-S, S) was then applied to the surfaces, yielding 7 groups (PO-Z, BR-Z, PP-S, HF-S, AA-S, AA-Z, and CJ-S). Metal bracket-bonded specimens were stored in water for 24 hr at 37℃, and thermocycled for 1,000 cycles. Their bond strengths were measured using the wire loop method (n = 10). Results: Except for BR, the surface pre-treatments failed to expose the zirconia substructure. A significant difference in bond strengths was found between AA-Z (4.60 ± 1.08 MPa) and all other groups (13.38 ± 2.57 - 15.78 ± 2.39 MPa, p < 0.05). For AA-Z, most of the adhesive remained on the bracket. Conclusions: For bracket bonding to glazed zirconia, a simple application of silane to the cleaned surface is recommended. A zirconia primer should be used only when the zirconia substructure is definitely exposed.
김일,허웅,박철구,정태엽,최신,한성훈,박원도 대한내과학회 2003 대한내과학회지 Vol.64 No.1
저자들은 혈뇨와 단백뇨를 주소로 내원한 31세 여자 경피증 환자에서 임상적으로 고혈압, 신발증이 없으면서 신증후군을 보이고 조직학적으로 신장 혈관의 침범없이 사구체 경화와 반월체 형성이 관찰되는 미만성 반월상 사구체신염의 증례를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Scleroderma is a connective tissue disorder characterized by fibrosis of the skin, vessels and internal organs (gastrointestinal tract, lung, heart, and kidney etc.). Renal involvement in scleroderma has a clinical manifestation from subnephrotic proteinuria to renal crisis accompanied by hypertension, and shows a typical histology of intimal proliferation and fibrinoid necrosis of blood vessel without primary glomerular pathology. We experienced a case of nephrotic syndrome in a 31-old-female patient with sclerodema. but the patient has not showed a clinical feuture of hypertension or renal crisis, moreover, renal biopsy of the patient showed global sclerosis and crescent formation in the glomeruli without vessel involvement. We report this case with a brief review of literature. (Korean J Med 64:91-95, 2003)