• Journal of Chest Surgery
• /
• 제17권3호
• /
• pp.389-397
• /
• 1984

Sixty cases of open heart surgery were performed in the Department of Thoracic and Cardiovascular Surgery of Chonbuk National University Hospital from July, 1983 to June, 1984. The patients were consisted of 40 [66%] congenital anomalies containing 26 [43%] patients of acyanotic group and 4 [23%] of cyanotic group, and 20 [34%] acquired heart diseases which involved one or more cardiac valves. The male patients were 42 and the female 18. In 20 valvular heart diseases, open mitral commissurotomy was done in 5 patients, mitral valvular replacement with tissue valve in 6, mitral valvular replacement with mechanical valve in 5, mitral valvular replacement with tricuspid annuloplasty in 2, mitral annuloplasty in 1, and mitral and aortic valvular replacements with mechanical valves in 1. The most frequency complication was low cardiac output syndrome occurred in 9, and the next was urethral stenosis, ARDS, and postoperative bleeding, etc. The perioperative mortality was 21% in congenital cyanotic heart disease, 12% in congenital acyanotic heart disease, and 5% in acquired heart disease.

• Journal of Chest Surgery
• /
• 제47권6호
• /
• pp.556-559
• /
• 2014

We report a case of successful endovascular treatment of a pseudoaneurysm and the obstruction of an aorto-aortic bypass graft, which had been performed to treat Takayasu's arteritis fifteen years prior, at the thoracic aorta. Along with the immediate relief of proximal hypertension that had caused severe heart failure, the successful exclusion of the pseudoaneurysm and the patency of the stem graft were maintained three years after the procedure.

• 대한한방내과학회지
• /
• 제16권2호
• /
• pp.61-73
• /
• 1995

In this study, the effects of Boshimdan, which is used in oriental medicine for the treatment of palpitation, chest discomfort, impatience, insomnia, forgetfulness ete., were tested as a part of series of experimental verification of prescriptions treatments for preventing and curing ischemic heart. The results were as follows: 1. Boshimdan did not effectively work on heart rate of the perfused rat heart. 2. Boshimdan did not effectively work on heart pressure of the perfused rat heart. 3. Boshimdan did not effectively work on flow rate of the perfused rat heart. 4. Boshimdan was not effective in activation of GOT. 5. Boshimdan was not effective in activation of GPT. 6. Boshimdan was not effective in activation of LDH. 7. Boshimdan was not effective in activation of CPK.

• 한국시뮬레이션학회:학술대회논문집
• /
• 한국시뮬레이션학회 2004년도 춘계학술대회 논문집
• /
• pp.109-117
• /
• 2004

In this paper, we consider the aortic sinus baroreceptor, which is the most representative baroreceptor sensing the variance of pressure in the cardiovascular system, and propose heart activity control model to observe the effect of delay time in heart period and stroke volume under the regulation of baroreflex in the aortic sinus. The proposed heart activity baroreflex regulation model contains electric circuit sub-model. We constituted the time delay sub-model to observe sensitivity of heart activity baroreflex regulation model by using the variable value to represent the control signal transmission time from the output of baroreflex regulation model to efferent nerve through central nervous system. The simulation object of this model is to observe variability of the cardiovascular system by variable value in time delay sub-model. As simulation results, we observe three patterns of the cardiovascular system variability by the time delay, First, if the time delay over 2.5 second, aortic pressure and stroke volume and heart rate is observed nonperiodically and observed. Finally, if time delay under 0.1 second, then heart rate and aortic pressure-heart rate trajectory is maintained in stable state.

• 대한한의학원전학회지
• /
• 제22권3호
• /
• pp.347-352
• /
• 2009

In the "Somun(素問) Youngranbijeonron(靈蘭秘典論)", that describes the lung as "the office of assisting Heart, the administration come out Lung(相傅之官, 治節出焉)". The means of "the office of assisting Heart" is that Lung assist Heart and execute the Heart's order. The administration come out Lung has two means. The first, Lung administrates and controls the body. The second, Lung controls the Gi and blood(氣血). In the "Somun(素問) Gyeongmaekboulron(經脈別論)", that describes the creation of pectrol Gi(宗氣). The Essence derived from food(穀氣) digested in Stomach comes to Heart, and mixed Lung's Gi of respiration(呼吸之氣), than becomes a pectrol Gi(宗氣). The pectrol Gi(宗氣) controls the Gi and blood(氣血), and we can say that function is the administration come out Lung.

• 한국정보통신학회:학술대회논문집
• /
• 한국정보통신학회 2012년도 추계학술대회
• /
• pp.326-330
• /
• 2012

2011년 심장질환으로 사망하는 인구수가 약 25,000명에 이른다. 본 논문은 심장마비환자의 빠른 응급구제를 위해 심장마비의 발생을 감지하고 응급상황을 전파하는 시스템을 개발한다. 심장마비를 감지하기 위해 맥박센서가 부착된 wearable computer를 제작한다. 측정된 맥박은 블루투스 무선통신으로 스마트폰으로 전송된다. 스마트폰에서 입력받은 맥박을 분석하여 상황판단을 하고 비상알람, SNS(Social Network Service), SMS(Short Message Service)를 활용하여 상황전파를 한다.

• 대한의용생체공학회:학술대회논문집
• /
• 대한의용생체공학회 1997년도 추계학술대회
• /
• pp.533-536
• /
• 1997

In this paper, we visualized 3-dimensional volume of heart using volume method by thresholding in EBT slices data. Volume rendering is the method that acquire the color by casting a pixel ray to volume data. The gray level of heart region is so high that we decide heart region by thresholding method. When a pixel ray is cast to volume data, the region that is higher than threshold value becomes heart region. We effectively rendered the heart volume and showed the 3-dimensional heart volume.

• Journal of Chest Surgery
• /
• 제12권3호
• /
• pp.263-268
• /
• 1979

In the course of treating approximately 740 patients with open heart surgery, we experienced 38 patients who underwent open heart surgery as the second operation after initial operation on heart at Seoul National University Hospital. Twenty four cases of congenital 14 acquired heart disease were found. There was 14 operative death of 38 patients, resulting in overall mortality 36.8 %; 8 death [33.3 %] in congenital group, 6 [42.9 %] in acquired group. Principal causes of death were lower cardiac output syndrome and congestive heart failure. Compared with foreign report, as this data shows still high overall mortality, this review suggests that second open heart surgery can be performed safely with reasonable operative mortality and satisfactory prognostic outlook in the near future.

• 한국한의학연구원논문집
• /
• 제10권2호
• /
• pp.109-119
• /
• 2004

The aim of this study is to confirm clinical usefulness of MCG data by analyzing korea medical results of heart disease patients. We used the Heart Disease Questionnaire which asks for Qi deficiency-pattern, Blood deficiency-pattern, Yin deficiency-pattern, Yang deficiency-pattern, Qi stasis-pattern, Blood stasis-pattern, Heart heat-pattern, Phlegm-pattern. Magnetocardiography(MCG) is the measurement of magnetic fields emitted by the human heart from small currents by electrically active cells of the heart muscle. Comparing the MCG results and korea medical diagnosis, we showed clinical usefulness of MCG results and korea medical diagnosis.

• 한국정보전자통신기술학회논문지
• /
• 제7권1호
• /
• pp.50-54
• /
• 2014

본 연구에서는 혈압측정으로부터 얻어지는 오실레이션(Oscillation) 신호를 이용하여 심박주기를 검출하고, 심박주기의 정확성을 개선하는 알고리듬을 개발하였다. 이를 위한 혈압측정의 방법으로 오실로메트릭(Oscillometric) 측정법을 사용하였으며, 오실레이션 신호의 피크들로부터 전 후 기울기들의 평균이 교차하는 지점을 실제 피크로 인정하고 심박주기를 계산하였다. 제안된 방법은 그래프 상에서 심박주기의 극심한 편차와 오류를 줄이는 성능을 나타냈다.