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소장조영술과 이중풍선 소장내시경검사의 결과에 대한 임상적 고찰
조준영(Joon Yeong Cho),이희정(Hee Jeong Lee),손순룡(Soon Yong Son),이용문(Yong Moon Lee),엄준용(Joon Yong Eum),노현아(Ro Hyun A),김찬민(Chan Min Kim),이원홍(Won Hong Lee),황민호(Min Ho Hwang) 대한영상의학기술학회 2008 대한영상의학기술학회 논문지 Vol.2008 No.-
Purpose : This study is to make a comparative analysis of results of s small bowelseries(SBS) diagnosed radiologically and double balloon enteroscopy(DBE) increased recently. Materials and Methods : From January 2006 to Deoember2007, 78 patients were examined by SBS in company with DBE within three months. The patients were 46 men and 32 women age 18 to 76 years old(mean 42).We made a comparative analysis including a clinical finding, consistency with the clinical finding, and consistency with the two study.
투시 조영 검사 시 환자 선량 관리를 위한 진단참고선량 구축에 관한 연구 (UGI, Esophagography 기준)
홍선숙,박은성,조준영,성민숙,양한준,Hong, Sun-Suk,Park, Eun-Seong,Cho, Joon-Yeong,Seong, Min-Suk,Yang, Han-Joon 대한디지털의료영상학회 2012 대한디지털의료영상학회논문지 Vol.14 No.1
This round of tests in patients with UGI and Esophagography data collected by national and international reference levels based on the original set of guidelines and fluoroscopy, through the provision of medical radiation exposure reduction and further optimization of Defense to realize that is intended. 359 names in our hospital underwent Esophagography 302 patients who underwent UGI average fluoroscopy time and number of images to calculate the average 21 cm Acryl phantom dose for 10 seconds and 20 seconds, average area dose and the area dose of 1 spot image, 5 spot consecutive images by measuring the patient dose and third quartile of the mean area dose was set seonryangin reference dose. Esophagography average patient dose was set to 30.05 $Gy{\cdot}cm^2$, DRL was set at a 25.37 $Gy{\cdot}cm^2$. Average dose of UGI patients were selected as 45.33 $Gy{\cdot}cm^2$, DRL was set at a 34 $Gy{\cdot}cm^2$. UGI patients with established average dose recommended in the 2008 national recommendation from the UGI examination with a dose of less than 49.7 $Gy{\cdot}cm^2$ seonryangin is evaluated. This Note examines the dose of self-aware through education recognizes the importance of dose reduction and examine if their efforts and further reduce patient dose could achieve optimization of the medical exposure is considered.
소아 투시조영검사 시 Pulse rate별 화질분석을 통한 저선량 모드 선택에 관한 연구
김선화(Sun Hwa Kim),조준영(Joon Yeong Cho),노현아(Hyun A Noh),손순룡(Soon Lyong Son),하동윤(Dong Yoon Ha) 대한영상의학기술학회 2010 대한영상의학기술학회 논문지 Vol.2010 No.-
Purpose : To purpose of this thesis is a research about reduction plan of radiation dose without reduction of image quality through understanding of the relationship between Dose Area Product(DAP) of Digital Flat Panel Detector(DAPD) equipment and pulse rate on pediatric fluoroscopy studies. Materials and Methods : From 2009 December to 2010 February, 40 patients under the age of 5 children who visited Asan Medical Center to check on pediatric fluoroscopy studies have been enforced(Voiding Cysto urethrography(VCUG: 20 people and Upper gastrointenstinal CUGI: 20 people). The measuring equipment used DAP meter, DAP was measured from identical patient follows per 1 minutes in pulse rate and compared a reduction. Also doctor enforced a question investigation with the object and analyzed the relationship with image quality. Results : The result were as follows; 1) From DFPD equipment, based on 30f/s of UGI examination when compared with 15f/s, at 61.8% of DAP were measured. Also 7.5f/s at 36.3%, 3.7f/s at 17.7% DAP were measured. In case of VCUG, 15f/s at 62.6%, 7.5f/s at 41.9%, 3.7f/s at 25.4% of DAP were measured. 2) Questionnaire results of radiologist about image quality, 75% of the respondents were allowed to 7.5f/s, 25% were allowed to 3.7f/s. Conclusion :In conclusion, when considering about image quality and DAP reduction followed in changes pulse rate, the use of 7.5f/s is most desirable. Therefore, we should try to reduce pediabic radiation dose through methods such as using 7.5f/s.