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김시형,김승협,조정연 대한영상의학회 2009 Korean Journal of Radiology Vol.10 No.4
Objective: We wanted to assess the long-term results of cyst ablation with using N-butyl cyanoacrylate (NBCA) and iodized oil in patients with autosomal dominant polycystic kidney disease (ADPKD) and symptomatic cysts. Materials and Methods: Cyst ablation using a mixture of NBCA and iodized oil was performed in 99 cysts from 21 patients who had such symptoms as abdominal distension and pain. The collapse or reaccumulation of the ablated cysts after the procedure was assessed during the follow-up period of 36 to 90 months. The treatment effects, including symptom relief, and the clinical data such as the blood pressure and serum creatinine levels were also assessed, together with the complications. Results: The procedure was technically successful in all 99 cysts from the 21 patients. Any procedure-related significant complications were not detected. Seventy-seven of 99 cysts (78%) were successfully collapsed on the follow-up CT. Twenty-two cysts showed reaccumulation during long-term follow-up period. The clinical symptoms were relieved in 17 of the 21 patients (76%). Four of 12 patients (33%) with hypertension and two of six patients (33%) with azotemia were improved. End stage renal disease (ESRD) occurred in six of the 21 patients (28%) during the follow-up period. The mean age of ESRD in our patients was 57 years. The mean time interval for the development of ESRD was 19 months. Conclusion: Ablation using a mixture of NBCA and iodized oil may be an effective, safe method for obtaining symptom relief in patients with ADPKD. Objective: We wanted to assess the long-term results of cyst ablation with using N-butyl cyanoacrylate (NBCA) and iodized oil in patients with autosomal dominant polycystic kidney disease (ADPKD) and symptomatic cysts. Materials and Methods: Cyst ablation using a mixture of NBCA and iodized oil was performed in 99 cysts from 21 patients who had such symptoms as abdominal distension and pain. The collapse or reaccumulation of the ablated cysts after the procedure was assessed during the follow-up period of 36 to 90 months. The treatment effects, including symptom relief, and the clinical data such as the blood pressure and serum creatinine levels were also assessed, together with the complications. Results: The procedure was technically successful in all 99 cysts from the 21 patients. Any procedure-related significant complications were not detected. Seventy-seven of 99 cysts (78%) were successfully collapsed on the follow-up CT. Twenty-two cysts showed reaccumulation during long-term follow-up period. The clinical symptoms were relieved in 17 of the 21 patients (76%). Four of 12 patients (33%) with hypertension and two of six patients (33%) with azotemia were improved. End stage renal disease (ESRD) occurred in six of the 21 patients (28%) during the follow-up period. The mean age of ESRD in our patients was 57 years. The mean time interval for the development of ESRD was 19 months. Conclusion: Ablation using a mixture of NBCA and iodized oil may be an effective, safe method for obtaining symptom relief in patients with ADPKD.
김시형,조재호,박복환 영남대학교 의과대학 2002 Yeungnam University Journal of Medicine Vol.19 No.2
Background: In patients with endometrial carcinoma, preoperative evaluation of exact staging has important prognostic and therapeutic implications. The incidence of pelvic and aortic lymph node involvement in endometrial carcinoma depends on grade of tumor differentiation and depth of myometrial invasion. Material and method: To evaluate whether MRI provides a preoperative assessment for staging of endometrial carcinoma, MRI was undertaken in 28 patients, a few weeks before operation. Myometrial invasion was devided in three categories, and involvement of cervix, adnexa, and pelvic cavity were classified. Result: The results of MR imaging were compared with these of pathology. The preoperative MRI staging of endometrial carcinoma was correct in 22 out of 28 patients. In the evaluation of myometrial invasion, the MR imaging underestimated in 4 cases and overestimated in 1 case. Conclusion: In patients with endometrial carcinoma, MR imaging is very useful in the assessment of the depth of myometrial invasion, stromal invasion of cevix, lymphatic & pelvic metastases and extent of the lesion.
대학생의 애착유형, 지각된 사회적지지, PTSD 증상, 외상 후 성장의 관계: 침습적 반추와 의도적 반추의 매개효과
김시형,권은비,이동훈 한국상담심리학회 2019 한국심리학회지 상담 및 심리치료 Vol.31 No.3
This study investigated the mediating effect of rumination on the structural relationship of anxiety attachment, avoidance attachment, perceived social support, posttraumatic stress disorder (PTSD) symptoms, and posttraumatic growth (PTG) in 728 Korean college students who had experienced traumatic or stressful events. In addition, differences between event type (traumatic versus life stress) were examined. The results indicated that the single mediating effect of intrusive rumination was statistically significant in relation to anxiety attachment, avoidance attachment, PTSD symptoms, and PTG. Moreover, the dual mediating effect of intrusive rumination and deliberate rumination was statistically significant in relation to anxiety attachment, avoidance attachment and PTG. Finally, the effect of anxiety attachment on intrusive rumination was found to be greater in the life stress event group than in the traumatic event group. Based on these results, implications and future research are presented. 본 연구는 트라우마를 경험한 한국의 대학생 728명을 대상으로 불안애착, 회피애착, 지각된 사회적 지지, 외상 후 스트레스(PTSD) 증상 및 외상 후 성장(PTG) 간의 구조적 관계에서 반추(침습적 반추, 의도적 반추)의 매개효과를 살펴보았다. 또한 현재 고통스러운 사건의 유형이 트라우마 사건인지 생활스트레스 사건인지에 따라 경로의 차이를 확인하였다. 이를 위해 침습적 반추를 지나 의도적 반추에 영향을 미치는 경로가 포함된 가설적 연구모형 및 침습적 반추에서 의도적 반추를 지나는 경로가 제외된 경쟁모형을 각각 설정했다. 연구결과 첫째, 불안애착 및 회피애착과 PTSD 증상 및 외상 후 성장의 관계에 침습적 반추의 단일 매개효과가 통계적으로 유의했다. 또한, 불안애착 및 회피애착과 외상 후 성장의 관계에 침습적 반추와 의도적 반추의 이중 매개효과가 통계적으로 유의하였다. 둘째, 불안애착이 침습적 반추에 미치는 효과는 생활스트레스 사건 집단이 트라우마 사건 집단에 비해 큰 것으로 확인되었다. 또한, 침습적 반추가 의도적 반추에 미치는 효과는 트라우마 사건 집단이 생활스트레스 사건 집단보다 큰 것으로 나타났다. 끝으로 본 연구의 결과를 참고하여 본 연구의 의의와 한계점에 대하여 논의하였다.
소아와 조기청소년에서 보이는 주의력결핍 과잉행동장애와 간질의 공통적 특성
김시형,김태형,최말례,김병조,송옥선,장영택,은헌정,Kim, Si-Hyung,Kim, Tae-Hyung,Choi, Mal-Rye,Kim, Byung-Jo,Song, Ok-Sun,Jang, Young-Taek,Eun, Hun-Jeong 한국정신신체의학회 2011 정신신체의학 Vol.19 No.2
연구목적: 주의력결핍 과잉행동장애(Attention Deficit Hyperactivity Disorder, ADHD)와 간질 사이에서 나타나는 공통적 특성을 연구할 목적으로 Korea-Child Behavior Checklist(K-CBCL)과 ADHD Diagnostic System (ADS), Electroencephalogram(EEG)를 평가하여 두 질환군의 공통적 특성(Common features)을 알아보고자 하였다. 방 법: 6세부터 16세까지의 소아,청소년들을 대상으로 ADHD군 30명 간질군 34명 그리고 대조군은 29명이었다. 평가도구는 K-CBCL과 자가보고 도구인 ADS를 사용하였으며 뇌파를 측정하였다. 모든 결과의 분석은 다중변량분석(MANOVA)과 교차분석(${\chi}^2$-test)을 이용하였다. 결 과: 간질군, ADHD군 간의 공통적 특성으로 뇌파에서 비정상 뇌파 소견(대조군 13.8%, 간질군 97.1%, ADHD군 40%)을 보인 것과 ADS에서 부주의, 반응시간 표준편차 항목에서 유의미한 차이가 있음이 확인되었다. 결 론: 간질군과 ADHD군에서 비정상 뇌파 소견, 부주의, 반응시간 표준편차라는 공통적 특성이 있음을 확인하였다. Objectives:We conduct this study to investigate the common features between Attention Deficit Hyperactivity Disorder(ADHD) and epileptic patients compared to normal control. Methods:Epileptic patients were recruited from the department of pediatic in Jesus Hospital. ADHD patients were recruited from the department of neuropsychiatry in Jesus Hospital. We excluded mental retardation or brain organic pathology. We use ADHD Diagnostic System and Korean-Child Behavior Checklist(K-CBCL) to assess features of ADHD. Electroencephalogram(EEG) of ADHD, epileptic patients and normal control were analyzed and compared. Results:Compared to normal control group, inattention, reaction time deviation were increased in both ADHD and epilepsy group. EEG abnormalities(control 13.8%, epilepsy 97.1%, ADHD 40%) in three groups were reported. Conclusion:There are common features of ADHD and epileptic patients.
액체음극에서의 금속 수지상 성장 억제를 위한 교반기 성능평가
김시형,윤달성,유영재,백승우,심준보,안도희,Kim, Si-Hyung,Yoon, Dal-Seong,You, Young-Jae,Paek, Seung-Woo,Shim, Joon-Bo,Ahn, Do-Hee 한국방사성폐기물학회 2009 방사성폐기물학회지 Vol.7 No.2
An electrolytic system (zinc anode-gallium cathode) was setup to evaluate the performance of several stirrers prepared for this study, where stirrers have been used to prevent uranium from forming dendrite on the cathode in pyrochemical process. In the case of no-stirring condition, zinc dendrites began to grow on the gallium surface in 1 hour and some dendrite grew out of the cathode crucible around 6 hours. When a rectangular stirrer or a tilt stirrer was rotated, at 40${\sim}$150 rpm, to mix the liquid gallium cathode, dendritic growth of zinc metal was prevented irrespective of revolution speed, but some of the deposits overflowed out of the cathode crucible owing to the large centrifugal forces at 150 rpm. The harrow stirrer did not nearly retard the dendrite growth at 40 rpm, but the dendrite growth was retarded at higher than 100 rpm and the zinc deposits also did not overflow at 150 rpm. Pounder could also prevent the dendrite growth to some extent but it had some difficulties in operation compared with other types of stirrers.