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Sound Analysis in an In Vitro Endotracheal Tube Model
( Young Sik Park ),( Young Wook Kee ),( Kwang Suk Park ),( Jin Woo Lee ),( Sang Min Lee ),( Jae Joon Yim ),( Chul Gyu Yoo ),( Young Whan Kim ),( Sung Koo Han ),( Seok Chul Yang1 ) 대한내과학회 2011 The Korean Journal of Internal Medicine Vol.26 No.4
Background/Aims: Complete endotracheal tube obstruction is a medical emergency, and partial occlusion causes increased breathing rates and failure to wean off mechanical ventilation. Partial occlusion may be underestimated due to the lack of proper detection methods. We tested whether the sound of an endotracheal tube could be used to detect an endotracheal tube obstruction using an in vitro model. Methods: An endotracheal tube was connected to a ventilator on one end and a test lung on the other. Sounds were recorded with a microphone located inside the endotracheal tube via a connector. During mechanical ventilation, we changed the endotracheal tube internal diameter from 5.0 to 8.0 mm and different grades of obstruction at different sites were used along the tube. Sound energy was compared among the different conditions. Results: The energy of endotracheal tube sounds was positively correlated with the internal diameter and negatively correlated with the degree of obstruction. The rate of decline in energy differed with obstruction location. When the obstruction was more distal, the rate of decline in endotracheal sound energy was more rapid. Conclusions: Changes in the sound of an endotracheal tube can be used to detect an obstruction. Further studies are needed for clinical application.
미치광이풀 모상근 배양에서 Tropane Alkaloid 생산성 증진을 위한 최적 생물학적 엘리시터 선발
정희영,강승미,강영민,김용덕,양재경,정영관,최명석 Plant molecular biology and biotechnology research 2003 Plant molecular biology and biotechnology research Vol.2003 No.-
Scopolamine and hyoscyamine which belong to tropane alkaloids are the pharmaceutically valuable anticholinergic drugs. In order to increase the productivities, the effects of elicitation were investigated during hairy root cultures of Scopolia parviflora. Biotic elicitors originated from 3 fungi and 1 yeast were prepared as homogenate and supernatant and added to 3-week-old cultures. Both of homogenate and supernatant of Candida albicans elicitors increased the scopolamine production. The production of hyoscyamine was enhanced by homogenate of Fusarium solani and supematant of C. albicans. Most of the other fungal elicitors were also improved on the tropane alkaloid production compared to non-treatment. Among the elicitors tested, C. albicans was proved the optimal biotic elicitor on tropane alkaloids production. These results will be served mass production of tropane alkaloids by large-scale production.
봉독약침이 류마티스 관절염 환자의 기능회복 및 삶의 질에 미치는 영향
이상훈,이현종,박상민,김수영,박재경,홍승재,양형인,이재동,최도영,김건식,이두익,이윤호 WHO COLLABORATING CENTRE FOR TRADITIONAL MEDICINE 2003 東西醫學硏究所 論文集 Vol.2003 No.-
Objective: To evaluate the effects of bee venom acupuncture(BVA) on the rehabilitation and quality of life in rheumatoid arthritis(RA) patients Methods: Patients with RA were treated with the BVA therapy twice a week for 3 months. Tender joint counts, swollen joint counts, morning stiffness, Erythrocyte Sedimentation Rate(ESR), C-reactive protein(CRP), patient global assessment, physician global assessment, Korean health assessment questionnaire(KHAQ) were estimated and analyzed before and after BVA therapy. Results: Tender joint counts, swollen joint counts, morning stiffness showed significant decrease after BVA therapy. But, as acute inflammatory reactants, ESR showed no significant difference and CRP showed significant increase after BVA therapy. Patient global assessment physician global assessment, and KHAQ index showed significant improvement after BVA therapy. Conclusions: BVA therapy can improve rehabilitation and health-related quality of life RA patients as well as clinical symptom and signs. Further study is required in more population with large scale including acute inflammatory reaction of BVA therapy.
봉독약침이 류마티스 관절염 환자의 관절 통증, 종창 및 급성 염증 반응에 미치는 영향
이상훈,이현종,백용현,김수영,박재경,홍승재,양형인,김건식,이재동,최도영,이두익,이윤호 WHO COLLABORATING CENTRE FOR TRADITIONAL MEDICINE 2003 東西醫學硏究所 論文集 Vol.2003 No.-
Objective In order to study the effects of bee venom(BV) on the pain, edema, and acute inflammatory reactant of rheumatoid arthritis(RA) patients. Methods Patients with RA who met the ACR(American College of Rheumatology) 1987 revised criteria for the diagnosis of RA were treated with the BV therapy twice a week for 3 months. Tender Joint counts, swollen joint counts, Visual analog scale(VAS), morning stiffness, ESR. C-reactive protein(CRP) were analyzed before and after BV therapy. Results The results as follows. 1. Tender joint counts in patients after BV therapy were significantly lower than those before BV therapy(9.0±7.9 vs 15± 11.4, p=0.002). 2. Swollen joint counts of the patients after BV therapy were significantly lower than those before BV therapy(50±61 vs 15±23, p=0.001). 3. VAS in patients after BV therapy was significantly lower than those before BV therapy(608± 17.6 vs 380± 159, p=0.000). 4. Duration of morning stiffness in patients after BV therapy was significantly reduced compared with that before BV therapy(119.1± 112.6 min vs 59.0±89.7 min, p=0.009). 5. ESR and CRP were not significantly changed before and after BV therapy, suggesting BV itself could make inflammatory reaction as well as therapeutic effect. Conclusions BV therapy improved tender joint counts, swollen joint counts and duration of morning stiffness in this study, and further study is needed on long-term effect of BV therapy.
연령대별 요추 추간판탈출증 환자의 요근과 척추주위근 단면적에 대한 분석
공덕현 ( Deok Hyun Kong ),배광호 ( Kwang Ho Bae ),고호연 ( Ho Yeon Go ),강명진 ( Myung Jin Kang ),김준수 ( Jun Su Kim ),양기영 ( Kee Young Yang ),이재훈 ( Jae Hoon Lee ),은영준 ( Young Jun Eun ) 한방재활의학과학회 2010 한방재활의학과학회지 Vol.20 No.4
Objectives :This study was designed to evaluate the correlation of the cross-sectional areas(CSA) of paraspinalis(iliocostalis lumborum, multifidus, longissimus thoracis parts lumborum) and psoas muscle and sex, age, change of the VAS(visual analogue scale) and past history of chronic low back pain in patients suffering from HIVD(herniation of intervertebral disc). Methods :Medical records of 140 subjects with HIVD were retrospectively reviewed. The MRI(magnetic resonance imaging) findings on the patients were scanned and analyzed by PiView program to find the paraspinal and psoas muscle CSA and were evaluated by the correlation of sex, age, change of the VAS, and past history of chronic low back pain. Results :There was significant difference between groups in male and female, young-adults age and middle age, middle age and old age, young-adults age and old age. But the correlation of the paraspinal and psoas muscle CSA and past history of chronic low back pain were partially significant. On the other hand, the correlation of the paraspinal and psoas muscle CSA and change of the VAS were not significant. Conclusions :These results suggest that the cross-sectional areas(CSA) of paraspinalis and psoas muscle have relevance to sex and age.
양재헌,박현구,김영일 우석대학교 의약품개발연구소 1996 藥學硏究誌 Vol.1 No.-
A traditional prescription, Hwangryean-haedog-tang(HRHT) was composed of Coptidis Rhizoma, Phellodendri Cortex, Scutellariae Radix, Gardeniae Fructus(1.5:1.5:3.2) and it has been used in the treatment of hypertension. insomnia, mental disorder, medicinal poisoning, crapulence. The precipitation was formed during the preparation of decoction of HRHT. This precipitatiion was very slightly soluble in water. Because this precipitated reaction decrease the effect of a gerbal medicine, the content of berberine and baicalin was determined in the precipitated product and supernatant. Berberine which active ingredient of Coptidis Rhizoma, Phellodendri Cortex was identified and determined by HPLC using u-Bondapak C_18 column with acetonitrile:pH 5.2 phosphate buffer(60:40v/v). Baicalin which active ingredient of Scutellariae Radix was identified and determined by HPLC using u-Bondapak C_18 column with 0.5% phosphoric acid:acetonitrile(73:27v/v). The content of erberine in the coprecipitated product and supernatant were 11.6% and 1.5% and the content of baicalin were 20.7% and 2.4% respectively. To ingibit the precipitated reaction of HRHT. Coptidis Rhizoma and Phellodendri Cortex were mixed and extracted whth hot water, it were made into gastric-coated granule, Scutellariae Radix and Gardeniae Fructus mixed and extracted, it were made into enteric0coated granule.
양재영,주남철 대한건축학회 2004 대한건축학회논문집 Vol.20 No.3
The following are results of a comparative study on the cross-section of columns used in the ancient wooden architecture. First, the square column was used in a part of the wooden stupa and high symbolic architecture, therefore we can know that the square column was applied to the architecture which has the specific applications or high in rank. Second, The decision on a section shape of columns was set according to the style of plan and the wall equipment in the ancient architecture, and this tendency had a possibility that has been gradually prevailed going through the substitution for the circular columns. Third, some architectures had the aspect of using the mixed-type, which has been made of heteromorphic columnar section. This is clear evidence that the concept and application of columnar sectional classification has been existed. Because the aspect of the mixed-type is observed in some architectures of the Goryo and Chosun Dynasty, we can say that it is result of architectural activity that continued to exist from the ancient times. The style of columnar section is a important factor that can notify tendency of change in the architectural history.
VP-16으로 성공적으로 치료된 위 Kaposi 육종 1예
양웅석,송근암,조몽,이재승,송철수,김형욱,김영민,이수봉,김태오,이성훈 대한소화기내시경학회 1999 Clinical Endoscopy Vol.19 No.4
The skin is an uncommon site of distant metastasis from any internal malignancy, and the incidence of metastatic skin lesions as the first symptom of disease is only 0.8% in patients with all systemic malignancies. Furthermore, cutaneous metastasis from adenocarcinoma of the stomach has been found to be extremely rare. A 35-year-old female patient was admitted due to multiple cutaneous nodules in her chest, abdomen, and back. A gastroendoscopic examination and biopsy was made according to the results of skin pathologic findings. Stomach and skin biopsy results revealed a signet ring cell type of adenocarcinoma. A case of gastric adenocarcinoma in which metastatic skin nodules appeared as the first sign of disease, is here in reported with a review of related literature.