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신지철,이선형,양재호,정헌영,Shin, Ji-Cheol,Lee, Sun-Hyung,Yang, Jae-Ho,Chung, Hun-Young 대한치과보철학회 1998 대한치과보철학회지 Vol.36 No.2
Post and core is used to restore endodontically treated teeth, and it is a very important part which supplies retention and support to the prosthesis. But occasionally, caries occured due to the microleakage at the post and core and tooth interface, the failure of prosthesis has happened. In this study, the microleakage of cast gold post and core, amalgam core, and composite resin core was investigated and compared. The coronal part of the extracted upper anterior teeth were removed and endodontically treated with conventional method. The teeth were divided into three groups. In group 1, cast gold post and core was cemented with resin cement and in group 2, ready-made post was cemented with resin cement and amalgam core was built. In group 3, ready-made post was cemented with resin cement and composite resin core was built. All specimens were thermocycled between $5^{\circ}C\;and\;55^{\circ}C$ with dwell time of 15 seconds, and immersed in 0.5% aqueous solution of basic fuchsin dye for 24 hours. After embedded in the epoxy resin, the specimens were sectioned longitudinally and observed with stereomicroscope with the magnification of 25. From the findings of this study, the following conclusions were obtained. 1. There was microleakage at the core/tooth interface of all specimens. 2. The microleakage of gold post and core was significantly less than those of the other two groups. 3. There was no significant difference between the microleakage of amalgam core and that of composite resin core.
Depression and Quality of Life in Patients within the First 6 Months after the Spinal Cord Injury
신지철,Hae Rin Goo,Su Jin Yu,김대현,윤서연 대한재활의학회 2012 Annals of Rehabilitation Medicine Vol.36 No.1
Objective To evaluate the severity of depression, degree of life satisfaction, level of stress, and resilience among patients in the fi rst 6 months after a spinal cord injury (SCI). Method 36 patients with SCI were asked to fi ll out questionnaires concerning Beck Depression Inventory (BDI),World Health Organization Quality of Life Questionnaire-BREF, Stress Response Inventory, and Connor-Davidson resilience scale. All patients had experienced an SCI within the last 6 months before the commencement of this study. Results In our study, the patients who experienced the SCI within the last six months had a higher rate of depression (63.9%) and a higher overall level of depression (13.8 points). Th e unmarried group had a signifi cantly higher quality of life (QOL; p<0.05) when compared with the married group. In the motor complete group, severity of depression and level of stress were higher, whereas QOL was lower than the motor incomplete group (p<0.05). Th e mean American Spinal Injury Association (ASIA) Motor Score (AMS) was much higher in the non-depressive group (p<0.05) when compared with the depressive group. Conclusion We found the patients within six months after SCI injury had higher rate of depression and higher overall level of depression. Also, patients with motor complete injury had affected significantly on depression,QOL and stress. We found the married patients had poorer QOL and depressive group had lower AMS score of lower extremity. Th erefore, there should be emphasis of psychological care who have motor complete injury and are married during the early stage.
Epidemiologic Change of Patients With Spinal Cord Injury
신지철,김대현,Su Jin Yu,Hea Eun Yang,윤서연 대한재활의학회 2013 Annals of Rehabilitation Medicine Vol.37 No.1
Objective To evaluate the epidemiologic change of patients with spinal cord injury who were admitted to a Rehabilitation Hospital, Yonsei University College of Medicine, during 1987—1996 and 2004—2008.Methods Medical records of 629 patients with spinal cord injury admitted to the Rehabilitation Hospital, Yonsei University College of Medicine, from 2004 to 2008 were collected and reviewed retrospectively.Results The male-to-female ratio decreased to 2.86:1, the mean age at injury increased, nontraumatic etiology increased, traffic accident remained to be the most common in traumatic spinal cord injury, and falling increased significantly. Tumor was the most common etiology in nontraumatic spinal cord injury, tetraplegia and incomplete injuries occurred more than paraplegia and complete injuries, indwelling catheter was the most common voiding method, and the duration of hospitalization decreased.Conclusion Many trends changed in epidemiology of spinal cord injury.
척수손상 환자에서 증상성 요로감염 시 소변 균주와 항생제 감수성의 변화
신지철,유지현,박지웅,박세나,안승준,박창일 대한재활의학회 2008 Annals of Rehabilitation Medicine Vol.32 No.1
Objective: To assess the necessity of extra rounds of urine culture when symptom of urinary tract infection (UTI) is developed from asymptomatic bacteriuria in spinal cord injury patients. Method: A total of 226 patients who took a urine culture at least twice during their stay and did not show symptoms of UTI at the admission were chosen. We then divided them into two groups: the one with patients who showed symptoms of UTI, and the other with ones who did not. Follow-up urine culture was performed when patients had symptoms of UTI or after one month from admission. Results: 1) Of the 226 patients, 60 patients showed symptoms of UTI, while 166 patients did not. 2) From the UTI group, there were 38 (63.3%) patients whose organism from their urine culture changed. From the non-UTI group, 79 (47.6%) patients saw their organism from their urine culture changed. 3) From the UTI group, there were 31 (56.4%) patients whose organism was more resistant to the antibiotics. From the non-UTI group, there were 80 (68.4%) patients whose organism was more resistant to the antibiotics. Conclusion: If UTI occurs in spinal cord injury patients, new organism might be detected in urine culture. Therefore, we should choose the proper antibiotics based on results of follow-up urine culture performed when the patients had symptoms of UTI.