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청소년 소비자교육 프로그램 개발을 위한 교육요구 분석
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Local Administration of Methotrexate Bound to Activated Carbon Particles (MTX-CH) for Treating Cancers in Mice
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Increased Expression of ATP-sensitive K＋ Channels Improves the Right Ventricular Tolerance to Hypoxia in Rabbit Hearts
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Disaster Management of Local Government: Comparison between the UK and South Korea
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Modified Blumgart Method for Pancreaticoduodenectomy
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국제비교를 통한 우리나라 범교과 학습 관련 교육과정 문서의 개선 방안 탐색
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- 저자 : Xeng Inn Fam (검색결과 2 건)
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Ureteral stricture formation after ureteroscope treatment of impacted calculi: A prospective study
Xeng Inn Fam,Praveen Singam,Christopher Chee Kong Ho,Radhika Sridharan,Rozita Hod,Badrulhisham Bahadzor,Eng Hong Goh,Guan Hee Tan,Zulkifli Zainuddin 대한비뇨의학회 2015 Investigative and Clinical Urology Vol.56 No.1
Purpose: Urinary calculi is a familiar disease. A well-known complication of endourological treatment for impacted ureteral stonesis the formation of ureteral strictures, which has been reported to occur in 14.2% to 24% of cases. Materials and Methods: This was a prospective study. Ureterotripsy treatment was used on patients with impacted ureteralstones. Then, after 3 months and 6 months, the condition of these patients was assessed by means of a kidney-ureter-bladder (KUB)ultrasound. If the KUB ultrasound indicated moderate to serious hydronephrosis, the patient was further assessed by means of acomputed tomography intravenous urogram or retrograde pyelogram to confirm the occurrence of ureteral strictures. Results: Of the 77 patients who participated in the study, 5 developed ureteral strictures. Thus, the stricture rate was 7.8%. Ananalysis of the intraoperative risk factors including perforation of the ureter, damage to the mucous membrane, and residual stoneimpacted within the ureter mucosa revealed that none of these factors contributed significantly to the formation of the uretericstrictures. The stone-related risk factors that were taken into consideration were stone size, stone impaction site, and duration ofimpaction. These stone factors also did not contribute significantly to the formation of the ureteral strictures. Conclusions: This prospective study failed to identify any predictable factors for ureteral stricture formation. It is proposed that allpatients undergo a simple postoperative KUB ultrasound screening 3 months after undergoing endoscopic treatment for impactedureteral stones.
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Zahra Rashidbenam,Mohd Hafidzul Jasman,Pezhman Hafez,Guan Hee Tan,Eng Hong Goh,Xeng Inn Fam,Christopher Chee Kong Ho,Zulkifli Md Zainuddin,Reynu Rajan,Fatimah Mohd Nor,Mohamad Aznan Shuhaili,Nik Ritza 한국조직공학과 재생의학회 2019 조직공학과 재생의학 Vol.16 No.4
BACKGROUND: Urinary tract is subjected to a variety of disorders such as urethral stricture, which often develops as a result of scarring process. Urethral stricture can be treated by urethral dilation and urethrotomy; but in cases of long urethral strictures, substitution urethroplasty with genital skin and buccal mucosa grafts is the only option. However a number of complications such as infection as a result of hair growth in neo-urethra, and stone formation restrict the application of those grafts. Therefore, tissue engineering techniques recently emerged as an alternative approach, aiming to overcome those restrictions. The aim of this review is to provide a comprehensive coverage on the strategies employed and the translational status of urethral tissue engineering over the past years and to propose a combinatory strategy for the future of urethral tissue engineering. METHODS: Data collection was based on the key articles published in English language in years between 2006 and 2018 using the searching terms of urethral stricture and tissue engineering on PubMed database. RESULTS: Differentiation of mesenchymal stem cells into urothelial and smooth muscle cells to be used for urologic application does not offer any advantage over autologous urothelial and smooth muscle cells. Among studied scaffolds, synthetic scaffolds with proper porosity and mechanical strength is the best option to be used for urethral tissue engineering. CONCLUSION: Hypoxia-preconditioned mesenchymal stem cells in combination with autologous cells seeded on a prevascularized synthetic and biodegradable scaffold can be said to be the best combinatory strategy in engineering of human urethra.
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