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고혈압(高血壓) 뇌졸중(腦卒中) 환자(患者)에 대한 사혈(瀉血)의 강압효과(降壓效果)
문장혁,안호진,정동화,윤형선,장재원,김경선,문익렬,백종엽,이상무,Mon, Jang-hyuk,Ahn, Ho-jin,Jeong, Dong-hwa,Yoon, Hyung-sun,Jang, Jae-won,Kim, Kyung-sun,Moon, Ik-ryoul,Baek, Jong-yeob,Lee, Sang-moo 대한침구의학회 2003 대한침구의학회지 Vol.20 No.2
Objective : The aim of this research was to investigate the depressive effect of depletion of B15(心兪), B23(腎兪), L5(尺澤), B40(委中) in hypertentive stroke patients. Methods : Depletion on B15(心兪), B23(腎兪), L5(尺澤), B40(委中) in hypertentive stroke patient who were admitted in Dong-Seo Oriental Medical Hospital every other day form 4 weeks, without western antihypertensive drug. Results : After treatment in 2nd week, depletion on B15(心兪), B23(腎兪), L5(尺澤), B40(委中) without western antihypertensive drug increased the systolic and diastolic blood pressure. After treatment in 4th week, depletion on B15(心兪), B23(腎兪), L5(尺澤), B40(委中) without western antihypertensive drug decreased the systolic and diastolic blood pressure. After treatment in 4th week, values of RBC and hemoglobine were not significantly changed. Conclusions : Continous depletion on B15(心兪), B23(腎兪), L5(尺澤), B40(委中) in hypertentive stroke patient without western antihypertensive drug implies decreasement of blood pressure, without change of values of RBC and hemoglobine.
( Dong Won Ahn ),( Ji Kon Ryu ),( Jaihwan Kim ),( Won Jae Yoon ),( Sang Hyub Lee ),( Yong Tae Kim ),( Yong Bum Yoon ) 대한간학회 2013 Gut and Liver Vol.7 No.2
Background/Aims: Endoscopic papillectomy is increasingly performed with curative intent for benign papillary tumors. This study was performed to identify factors that predict the presence of malignancy and affect endoscopic success. Methods: We retrospectively analyzed the medical records of patients who received an endoscopic papillectomy for papillary adenoma from 2006 to 2009. Results: A total of 43 patients received endoscopic papillectomy. The pathologic results after papillectomy revealed adenocarcinoma in five patients (12%), and the risk of malignancy was high in cases of large lesions, preprocedural pathology of high-grade dysplasia or high serum alkaline phosphatase. Endoscopic success was observed in 37 patients (86%) at the end of follow-up (mean duration, 10.4±9.6 months). The factor significantly affecting success was a complete resection at the initial papillectomy (p=0.007). Two patients experienced recurrence 10 and 32 months after the complete resection, but both achieved endoscopic success with repeated endoscopic treatment. Six patients with endoscopic failure received surgical resection. Conclusions: Endoscopic papillectomy is a safe and effective method for the curative resection of benign papillary tumors, especially when complete resection is achieved at the initial papillectomy. Follow-up with surveillance should be performed for at least 3 years because of the possible recurrence of tumors during these periods. (Gut Liver 2013;7:239-245)
Ahn, Suk-Won,Kim, Su-Hyun,Oh, Dong-Hoon,Kim, Sung-Min,Park, Kyung Seok,Hong, Yoon-Ho,Kwon, Oh-Sang,Sung, Jung-Joon,Lee, Kwang-Woo The Korean Academy of Medical Sciences 2010 JOURNAL OF KOREAN MEDICAL SCIENCE Vol.25 No.9
<P>We investigated the availability of motor unit number estimation (MUNE) as a quantitative method to assess the severity and clinical progression of amyotrophic lateral sclerosis (ALS). The 143 ALS patients were evaluated by statistical MUNE and the revised amyotrophic lateral sclerosis functional rating scale (ALSFRS-R). By using mean values of MUNE according to disease duration, regression equation between mean MUNE and disease duration was presented as a formula. The individual MUNE ratio was calculated by dividing individual MUNE value by mean MUNE value. All patients were classified into 2 groups (MUNE ratio <1 vs. MUNE ratio ≥1) according to the MUNE ratio. Comparison between the 2 groups revealed that the patients in MUNE ratio <1 group or MUNE ratio ≥1 group were respectively assigned to rapid progression or slow progression. We recommended informative mean values of MUNE and best regression equation in ALS patients according to disease duration. These values allow us to evaluate the severity and rapidity of progression in ALS.</P>
Generation of Janus Droplets for Enhanced Mixing in Microfluidics
Ahn, Sang-Hoon,Kim, Dong-Wook,Kim, Young-Won,Yoo, Jung-Yul 한국정밀공학회 2010 International Journal of Precision Engineering and Vol.11 No.5
A microfluidic channel system to generate Janus droplets is designed and fabricated, where the term Janus droplet refers to a chemically biphasic droplet. It is demonstrated that Janus droplets are formed from elongational breakup of coflowing core fluids which are constrained by a sheath fluid on both sides of them. Rhodamine B is adopted as an indicator to indentify generated Janus droplets. Monodisperse Janus droplets have been generated in a controllable manner such that those with average diameters of $26{\pm}1.24{\mu}m$, $31{\pm}1.44{\mu}m$ and $34{\pm}2.28{\mu}m$ are formed in accordance with flow rate ratios between the sheath fluid and the core fluids, 30,7, 36.4 and 44.4, respectively. Generation of Janus droplets, demonstrated in the present study, has seen a new application in the areas of biotechnology and bioengineering, where enhanced mixing inside the micro bubbles can be utilized without the aid of other means of droplet generation and merging.