• 제목/요약/키워드: 유경환

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만성신부전 환자에게 한약투여 후 사구체여과율 및 빈혈 호전 1례 (A Case Report of Improvement of Glomerular Filtration Rate and Anemia in Chronic Renal Failure through Herbal Medication)

  • 김동현;배은주;박성욱;윤성우;고창남;유경환
    • 대한한방내과학회지
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    • 제26권2호
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    • pp.498-505
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    • 2005
  • Renal failure means irreversible damage and depression of renal function, represented by glomerular filtration rate(GFR). A renal failure patient with uremia and anemia is presented. Anemia, in this patient, appeared before uremia did. A 55 year-old male patient was treated for renal failure with Weilingtang. Improvement was observed in, not only GFR, blood urea nitrogen(BUN), and creatinine, but also in such symptoms as difficulty in urine excretion, dyspepsia and abdominal swelling. But anemia appeared during treatment, so a mixture of Dangguibuxuetang(當歸補血湯) and Xiongguitang(芎歸湯) was prescribed. After this treatment, improvement in hemoglobin, and hematocrit was observed.

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Probiotics의 역할과 임상적 가치 (The Role and Clinical Value of Probiotics)

  • 유경환;윤성우
    • 대한암한의학회지
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    • 제10권1호
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    • pp.75-86
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    • 2005
  • Disease associated with microorganisms are far from resolved by current therapeutics. One of effective approach to health maintenance and disease control is the use of dietary bacterial and carbohydrate supplements. This comprises use of probiotics and prebiotics. Probiotics mean the live microorganisms, which when administered in adequate amounts confer a health benefit on the host. Prebiotics mean a nondigestible food ingredient that beneficially affects the host by selectively stimulating the growth and/or activity of one or a limited number of bacteria that can Improve the host health. Especially, probiotics has the relation which is close with innate immunity and adaptive immunity. And probiotics has the clinical value with many disease like lactose intolerance, constipation, acute gastroenteritis, food hypersensitivity and allergy, atopic dermatitis, crohn's disease, rheumatoid arthritis, pelvic radiotherapy, intestinal inflammation and chemical exposure, colon cancer, inhibitory effect of Helicobacter pylori and lowering the level of cholesterol. We use jointly korean medicine and probiotics and it has the more therapeutic effect in the many disease.

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묶음 대각철근과 고성능 섬유보강 시멘트 복합체를 적용한 세장한 프리캐스트 연결보의 이력거동 평가 (Cyclic Behavior of Precast Slender Coupling Beams with Bundled Diagonally Reinforcement and High-Performance Fiber Reinforced Cementitious Composite(HPFRCC))

  • 한상환;유경환;강동훈;이기학;신명수
    • 한국지진공학회논문집
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    • 제19권2호
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    • pp.55-62
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    • 2015
  • Shear wall systems behave as individual wall because of openings like window and elevator cage. When coupling beams are installed in shear walls, they will have high strength and stiffness so that be less damaged by lateral loads like earthquake. However, coupling beam is difficult construction method. And arranging reinforcement of slender coupling beams are especially hard. It is because the details of coupling beam provided by ACI 318 are complex. In this paper, experiments were conducted using coupling beams with 3.5 aspect ratio to improve the details of slender coupling beams provided by ACI 318. Two specimens were proposed for this study. One specimen applied with bundled diagonally reinforcement only. Another specimen applied both bundled diagonally reinforcement and High-Performance Fiber Reinforced Cementitious Composite (HPFRCC) so that coupling beams have half of transverse reinforcement. All specimen were compared with a coupling beam designed according to ACI 318 and were evaluated with hysteretic behaviors. Test results showed that the performance of two specimen suggested in this study were similar to that of coupling beam designed according to current criteria. And it was considered that simplification of the details of reinforcement would be available if transverse reinforcement was reduced by using bundled diagonally reinforcement and HPFRCC.

하악골에 발생한 법랑아세포종의 임상통계학적 분석 (The Clinico-Statisitical Analysis of Ameloblastoma of Mandible)

  • 유경환;김수관;문성용;오지수;이정훈;김진하
    • Maxillofacial Plastic and Reconstructive Surgery
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    • 제32권6호
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    • pp.551-557
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    • 2010
  • Purpose: In this study, we evaluated the relation between surgical methods and reccurrence rate by investigating clinical, radiological aspects and histopathological patterns of 26 patients who were diagnosed with amelobalstoma. Patients and Methods: In this study, we retrospectively investigated 26 patients who were diagnosed with ameloblastoma and treated at the Department of Oral and Maxillofacial Surgery of Chosun University Dental Hospital from January 2000 to December 2008. Results: The patients comprised 12 males (46.1%) and 14 females (53.9%), and their ages ranged from 10 to 69 years (average, 37.3 years). All cases presented a mandibular location, and in particular, 13 cases (50%) demonstrated an occurrence in the mandibular body. Clinically, 8 cases (30.8%) presented no symptoms, and the most prevalent chief complaint was swelling in 13 cases (50%). Radiographically, a unilocular type appeared in 14 cases (53.8%), and a multilocular type was observed in 10 cases (38.5%). Histopathologically, there were 8 follicular types (30.8%) and 7 plexiform types (26.9%). Conservative treatment was performed in 5 cases (19.2%), and radical treatment was performed in 21 cases (80.8%). The follow-up period ranged from 1 to 10 years. The total recurrence rate was 15.4%, and the mean duration of recurrence was 6.7 years. Three of the 5 cases (60%) that received conservative treatment demonstrated a recurrence, as compared to 1 of the 21 cases (4.8%) that underwent radical treatment. Conclusion: The radical treatment was more effective than the conservative treatment for recurrence prevention. We should consider a continuous follow-up check after operation.

화병 환자의 심학변이도 특성에 대한 임상적 연구 (Clinical Study for Characteristics of Heart Rate Variability in Hwabyung Patients)

  • 배은주;김동현;유경환;박성욱;윤성우;고창남
    • 대한한방내과학회지
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    • 제26권4호
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    • pp.844-852
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    • 2005
  • Objectives : Through spectral analysis of heart rate variability(HRV) to study autonomic nervous system dysfunction of Hwabyung, culture related disease in Korea. Methods : HRV of 18 patients diagnosed as Hwabyung was measured against 13 healthy controls. HRV was measured by SA-2000p(Mediocre, Korea) for five minutes after 5 minutes resting. Results : 1. In time domain analysis, mean pulse rate(PRT) of in Hwabyung group was significantly higher than healthy controls. Standard deviation of all normal P-P intervals(SDNN), the square root of the mean of the sum of the squares of differences between adjacent normal P-P intervals(RMS-SD) in Hwabyung group was lower than healthy controls, but not significant. 2. As for frequency domain analysis, In TP(logarithmic total power), In VLF(logarithmic very low frequency), and In LF(logarithmic low frequency )in Hwabyung group was significantly lower than healthy controls. Ln HF(logarithmic high frequency), LF/HF ratio in Hwabyung group was also lower but not significant. Conclusions : This study suggests tile activity and imbalance of cardiac autonomous nervous system in Hwabyung patient is significantly lower than healthy individuals.

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골격성 3급 부정교합 환자에서 양측 상행지 시상분할 골절단술을 이용한 하악 후방이동 시 이동량에 따른 회귀현상 (Evaluation of Relapse according to Set-back Degree of the Mandible at Bilateral Sagittal Split Ramus Osteotomy in Mandibular Prognathism Patients)

  • 유경환;김수관;문성용;오지수;김생곤;박진주;정종원;윤대웅;양성수
    • Maxillofacial Plastic and Reconstructive Surgery
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    • 제33권4호
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    • pp.319-322
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    • 2011
  • Purpose: The purpose of this study was to examine the appropriate degree of set-back of the mandible by evaluating the rate of relapse after surgery. Methods: Among the patients who visited our hospital from January 2002 to January 2007 and who underwent orthognathic surgery, of the patients available for follow-up observation, the rate of relapse after surgery was investigated according to the set-back degree. The patients were divided into groups by the degree of set-back, and relapse was evaluated by the radiographs performed the day after surgery, 6 months after surgery, 1 year after surgery, 2 years after surgery and 3 years after surgery. Results: In cases that exceeded the limit of posterior movement of the mandible (13 mm) or that had the wrong position of the condyle, a greater tendency toward relapse was shown. Conclusion: Based on the results of this study, among the cases that required a large amount of posterior movement of the mandible, two jaw surgeries accompanied by bilateral sagittal split ramus osteotomy (BSSRO) and LeFort I osteotomy are recommended.

냉부하검사상 레이노드증후군으로 의심되는 환자에 대한 칠제향부환 투여 2례 (Two Cases of Suspected Raynaud's Syndrome Diagnosed by Cold Stress Test Treated with Chiljehyangbuhwan)

  • 배은주;유경환;박성욱;윤성우;고창남;이형철
    • 대한한방내과학회지
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    • 제25권3호
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    • pp.559-568
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    • 2004
  • Diagnosis of Raynaud's phenomenon is primarily based on clinical symptoms. Cold stress test(CST) done by DITI(Digital Infrared Thermographic Image) can be helpful for objective diagnosis. The cold stress test was performed three times by DITI; the first after 15 minutes of rest, the second right after one minute of soaking in $20^{\circ}C$ water, the third ten minutes after immersion. For a clear diagnosis, the temperature of the finger tips must be low, or the thermal difference between the metacarpophalangeal joints and the fingertips must be large. Also the evaluation of treatment depends on decrease of thermal gradient between the metacarpophalangeal joints and the finger tips after CST. In oriental medicine Raynaud's phenomenon can be categorized by coldness of the limbs or numbness. Numbness was diagnosed as depression of Ki and Chiljehyangbuhwan(Qizhixiangfuwan) was prescribed. Positive results were observed, not only in follow up CST, but also Visual Analogue Scale after treatment.

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묶음 대각철근을 갖는 세장한 철근콘크리트 연결보의 이력거동 (Cyclic Behavior of Slender Reinforced Concrete Coupling Beams with Bundled Diagonal Reinforcement)

  • 한상환;유경환;이기학;신명수
    • 콘크리트학회논문집
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    • 제27권6호
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    • pp.661-668
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    • 2015
  • 병렬전단벽시스템은 횡력저항에 있어서 효율적인 구조시스템이지만, 각 독립벽체를 연결하는 연결보의 복잡한 철근상세로 인해 시공상의 어려움이 있다. ACI-318에서는 개선된 철근상세를 제안했지만, 이 또한 과도한 횡보강근으로 인해 대각철근의 중심부의 철근 배근 혼잡으로 인해 현장 적용에 어려움이 따른다. 본 연구에서는 프리캐스트를 통하여 철근 배근 오차 및 콘크리트 품질 등의 저하를 줄이고 ACI 318-11의 개선된 상세에 따른 기준 실험체와 일반대각철근을 묶음대각철근으로 대체한 철근콘크리트 연결보의 이력거동을 비교 평가하였다. 그 결과, 묶음대각철근을 적용한 실험체는 현행기준에 따른 연결보와 비교하여 유사한 이력거동을 나타냈고, 더 우수한 에너지소산능력을 나타냈다. 묶음대각철근을 적용한 철근콘크리트 연결보가 현행기준에 따르는 연결보를 대체하여 현장적용이 가능할 것으로 판단된다.

소풍보심도담탕(疎風補心導痰湯) 합(合) 생맥산(生脈散) 투여 후 임상증상 및 심전도 상 심방조동이 호전된 환자 1례 (A Case Report of Improvement of Clinical Symptoms and Atrial Flutter on the Electrocardiogram (EKG) Treated with Xiaofengbusindaotantang (疎風補心導痰湯) and Shengmaisan (生脈散))

  • 김동현;임인환;유경환;나병조;이범준
    • 대한한방내과학회지
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    • 제27권3호
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    • pp.784-790
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    • 2006
  • Most of the atrial flutter occurs in patients who have an organic disease of the heart. The symptoms of atrial flutter include anxiety with palpitation. sleep disorder and fatigue. For a long time, oriental medicine has clinically treated these symptoms, and the diagnosis has been usually based on the doctor's judgment on the subjective clinical symptoms. However, if oriental medicine includes new diagnostic aids like electrocardiogram or other various methods or combinations of techniques, the accuracy and objectivity of diagnosis and clinical data can be improved. In this case, a 65 year-old male patient who had anxiety with palpitation and abnormal P wave (atrial flutter) on the EKG was treated with Xiaofengbusindaotantang (疎風補心導痰湯) and Shengmaisan (生脈散). Significant improvement in the clinical symptoms and EKG results was observed. This result suggests that oriental medical treatment can be used for treatment of organic heart disease like an atrial flutter. In addition, subsequent studies should be followed to ensure the appropriateness of new diagnostic aids, such as EKG, and other various modalities.

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내관(內關)(PC6).공손(公孫)(SP4) 자침이 정상인의 자율신경계에 미치는 영향 연구 (Effect of Acupuncture at PC6(Neiguan) and SP4(Gongsun) points on Autonomic Nervous System in Healthy Adults)

  • 유경환;임인환;김동현;나병조;이범준;박성욱;고창남
    • 대한한방내과학회지
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    • 제27권3호
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    • pp.698-705
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    • 2006
  • Objectives : This study was designed to investigate the effect of PC6 and SP4 on autonomic nerve system in healthy adults. Methods : 22 healthy adults were recruited and randomized into the study group or control group. The study group (real acupuncture group) was acupuncturcd on PC6 and SP4. The control group (sham acupuncture group) was acupunctured superficially near PC6 and SP4 but not the exact points. The subjects rested for 10 minutes, and were then acupunctured. After 15 minutes, acupuncture needles were removed and the subjects rested for another 15 minutes. Heart rate variability(HRV) was continuously measured during the study period by FM-150 (digital Holter ECG recorder). Results : In the real acupuncture group. LF(low frequency) significantly decreased during the acupuncture period(p<0.05). LF/HF ratio also had a significant decrease during acupuncture period and the decrease was maintained during the post-treatment period as compared with the pre-treatment period. In the sham acupuncture group. LF significantly increased during the acupuncture period but LF/HF ratio had no significant changes. Conclusions : The results suggest that acupuncture on PC6 and SP4 can increase parasympathetic activity and balance autonomic nervous system.

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