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부분층 피부 화상치료에 있어서의 인공합성재료와 항생제 연고 도포와의 유용성 비교
하슬기,김미영,김종현,박윤규,허준,김정완,조민창 대한가정의학회 2003 Korean Journal of Family Medicine Vol.24 No.9
Comparison of Artificial Synthetic Material and Antibacterial Ointment for Treatment of Partial Thickness Skin BurnSeul Gi Ha, M.D., Jeong Wan Kim, M.D., Min Chang Jo, M.D., Mee Young Kim, M.D., Jun Heo, M.D.*, Jong Hyun Kim, M.D.*, Yoon Kyu Park, M.D.*
모니터링 정확도와 운용 강건성을 고려한 개인전투체계용 착용형 생체센서 어레이의 최적 위치 분석
하슬기,박상헌,임현철,백승호,김도경,윤상희 한국군사과학기술학회 2019 한국군사과학기술학회지 Vol.22 No.2
Monitoring for the physiological state of a solider is essential to the realization of individual combat system. Despite all efforts over the last decades, there is no report to point out the optimal location of the wearable biosensors considering both monitoring accuracy and operational robustness. In response, we quantitatively measure body temperature and heartrate from 34 body parts using 2 kinds of biosensor arrays, each of which consists of a thermocouple(TC) sensor and either a photoplethysmography(PPG) sensor or an electrocardiography(ECG) sensor. The optimal location is determined by scoring each body part in terms of signal intensity, convenience in use, placement durability, and activity impedance. The measurement leads to finding the optimal location of wearable biosensor arrays. Thumb and chest are identified as best body parts for TC/PPG sensors and TC/ECG sensors, respectively. The findings will contribute to the successful development of individual combat system.
The placement position optimization of a biosensor array for wearable healthcare systems
하슬기,박상헌,임현철,백승호,김도경,윤상희 대한기계학회 2019 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.33 No.7
Advancement in wearable healthcare technology allows a digital revolution in healthcare that is intended to extend life length and improve life quality. Until now, numerous efforts for wearable device-mediated healthcare systems have been focused on achieving accurate monitoring and robust operation by developing cutting-edge biosensors rather than by optimizing the placement position of well-established biosensors. Much therefore still remains unclear about the optimal position involved in biosensor placement. This leads to the need for systematic optimization of biosensor placement position. Here, the placement positions of 2 biosensor arrays (i.e., ECGTC array and PPG-TC array) are optimized to achieve high-accuracy measurement and high-robustness operation in monitoring both body temperature and heart rate, which are commonly measured as core vital signs in wearable healthcare systems. The ECG-TC array is composed of an electrocardiography (ECG) sensor (for heart rate measurement) and a thermocouple (TC) sensor (for body temperature measurement) while the PPG-TC array consists of a photoplethysmography (PPG) sensor and a TC sensor. 34 major parts in the human body are scored in terms of monitoring accuracy (MA) and operational robustness (OR), which results in the MA index and OR index. Next, the body part having the maximum value, calculated as the product of two indices, is determined as the optimal placement position. The MA index is calculated from the signal magnitude of each biosensor and the OR index is assessed by quantifying the user accessibility, skin extensibility, and perspiration weight of each body part. Our study shows that the ECG-TC array needs to be placed on armpit, chest, and back thigh and the PPG-TC array on thumb, finger, and ear. This means the optimal placement position of biosensorbased wearable healthcare systems is affected by a combination of different biosensors. The findings of this study are expected to contribute to better understanding of biosensors and lead to further improvement in wearable healthcare devices.
광주지역 일부 병원에 입원한 50세 이상 대상자의 인지 기능과 식품 섭취와의 연관성
하슬기,김경윤,윤정미 한국식품영양과학회 2019 한국식품영양과학회지 Vol.48 No.12
The accelerated aging process is leading to an increase in the number of patients with dementia every year. This study was conducted on 300 adults aged 50 years or older who were diagnosed with the Global Deterioration Scale (GDS) in Gwangju ○○ hospital. The subjects were divided into three groups according to the GDS levels. GDS 1 consisted of 194 patients without cognitive impairment. GDS 2 was comprised of 52 patients with very mild cognitive impairment. GDS 3∼6 contained 54 patients with increasing levels of cognitive impairment. Age, education level, and living status were significantly different according to the GDS. The subjects in the GDS 3∼6 groups were older than 65 years old, had a low educational level, and a high percentage of living alone. An analysis of the food intake frequency revealed the GDS 1 group to consume whole grains and kimchi at 1.34 times/day and 1.48 times/day, respectively. The intake frequency of rice and other foods in the GDS 2 group was the highest (1.56 times/day), suggesting that education on diet habits is necessary. The results showed that whole grains (OR: 0.46, 95% CI: 0.22∼0.98), fish (OR: 0.47, 95% CI: 0.23∼0.99), pickles (OR: 0.15, 95% CI: 0.03∼0.65) and other vegetables (OR: 0.95, 95% CI: 0.74∼0.99) were associated with a lower prevalence of dementia in GDS 3∼6 compared to GDS 1 group. This study suggests that it is important to provide a basis for the establishment of dietary guidelines related to cognitive function, particularly for hospitalized patients. 본 연구는 2017년 7월부터 2018년 3월까지 광주 ○○병원에 입원한 50세 이상 성인 300명을 대상으로 GDS 수준, 일반적 특성, 식품 섭취 특성을 조사하였고 식품 섭취 특성이 인지 기능에 미치는 영향을 분석하였다. 대상자의 일반적인 특성에서 연령, 교육 수준, 동거가족형태 변수가 GDS 수준에 따라 유의적 차이를 보였고, GDS 3~6군에 해당하는 대상자는 65세 이상으로 초등교육 이하의 교육 수준을 가지며, 혼자 사는 자의 비율이 다른 군에 비해 높았다. 식품 섭취 빈도를 조사한 결과에서는 GDS 1군에서 잡곡밥과 김치류 섭취 빈도가 각각 1.34회/일, 1.48회/일로 가장 높았고, 매우 경미한 인지장애 진단군인 GDS 2군의 쌀밥과 그 외 밥류의 섭취 빈도가 1.56회/일로 가장 높아 질환 예방을 위한 식사 섭취 교육이 필요하다고 여겨진다. 24가지 식품 섭취가 GDS 수준에 미치는 영향을 분석한 결과 잡곡밥과 생선 섭취로 각각 GDS 1군에 비해 GDS 3~6군에서 OR이 0.46배(95% CI: 0.22~0.98), 0.47배(95% CI: 0.23~0.99) 감소하는 것으로 나타났다. 또한 장아찌류와 김치를 제외한 채소류의 섭취로 각각 GDS 1군에 비해 GDS 3~6군에서 OR이 0.15배(95% CI: 0.03~0.65), 0.95배(95% CI: 0.74~0.99) 감소하였다. 따라서 본 연구 결과와 기존의 연구 결과를 바탕으로 인지 손상을 예방하고 관리하기 위해 다양한 영양소가 함유된 잡곡밥, 생선류, 채소류의 섭취를 증진시킬 수 있는 방안을 모색하고 기초 자료를 제공하는 데 의의가 있다고 여겨진다.
대학생의 외모에 대한 사회문화적 태도, 외모 스트레스와 섭식장애의 관계
김민지,박민정,박예진,안슬기,왕소여,이소정,이지수,정은기,하효정,김건희 이화여자대학교간호학회 2020 이화간호학회지 Vol.- No.54
Purpose: The purpose of this study is to verify the relationship between sociocultural attitudes towards appearance, appearance stress and eating disorders. Method: Sociocultural Attitudes Towards Appearance Questionnaire-4 revised which was translated to Korean measured sociocultural attitudes towards appearance and appearance stress measurement examined appearance stress. Korean Version of Eating Attitude Test-26 was used to measure eating disorders. 120 university students in a city took surveys from September 20 to October 8, 2019. Of the 120 questionnaires, 4 has insincere or incomplete responses and 116 questionnaires resulted in data. The questionnaires were investigated using statistical process of t-test, ANOVA, and Pearson's correlation coefficients using SPSS/Win 25.0 software package. Results: The average of KEAT-26 scores was 7.45 and the prevalence of eating disorders was 6.89% in the study. In eating disorders, there were significant differences according to subjective body image and diet experience. Eating disorders were positively correlated to sociocultural attitudes towards appearance (r=.21, p=.018) and appearance stress (r=.23, p=.006). Conclusion: This study verified the relationship between sociocultural attitudes towards appearance, appearance stress and eating disorders of university students, and expected to be supporting documents to develop programs for helping university students with eating disorders.