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홍유찬,최엄지,박신애 대한소아감염학회 2017 Pediatric Infection and Vaccine Vol.24 No.3
Purpose: We analyzed the risk factors affecting readmission of children with pneumonia. Methods: We retrospectively analyzed the medical records of pediatric patients admitted to the Department of Pediatrics at the Jeonju Presbyterian Medical Center from January 2007 to August 2016. We classified patients who were readmitted with pneumonia within 30 days of discharge as the readmission group and patients who were admitted with pneumonia for the first time as the first admission group. Results: Among 158 patients, the study (readmission) group included 82 patients and the control (first admission) group included 76 patients. Age, the percentage of segmented neutrophils and lymphocytes, the number of admissions in the last 12 months, the associated diseases (respiratory diseases such as asthma), and the affection of the right upper lung were analyzed as risk factors for readmission. However, based on a regression analysis, only age and associated diseases were found to be significant risk factors. The rate of readmission increased with younger age. When there were associated diseases, the rate of readmission also increased. Conclusions: Young age and associated diseases were significant risk factors for readmission for patients with pediatric pneumonia. When pediatric patients are admitted with pneumonia, if they are young and/or have associated diseases, a comprehensive approach is needed to reduce the rate of readmission with careful consideration of precise examination, treatment, timing of discharge, and follow-up. 목적: 본 연구에서는 소아 폐렴 환자에서 재입원의 분석을 통하여 이에 영향을 미치는 위험인자를 알아보고자 하였다. 방법: 2007년 1월부터 2016년 8월까지 전주예수병원 소아청소년과에 폐렴으로 입원한 소아를 대상으로, 퇴원 후 30일 이내에 폐렴으로 재입원한 환자(재입원군)와 초회 입원한 환자(초입원군)로 나누어의무기록을 검토하여 후향적으로 분석하였다. 결과: 158명 중 연구군(재입원군)은 82명, 대조군(초입원군)은 76명이었다. 연령, 분절형 호중구 및 림프구 백분율, 12개월 내 입원 횟수, 동반 질환(천식 등 호흡기 질환), 우상 폐야의 병변이 재입원의 위험인자로 분석되었다. 그러나 회귀분석상 연령과 동반 질환만 의미 있는 차이를 보였고, 재입원율은 연령이 낮고 동반 질환이 있을 때 높았다. 결론: 소아 폐렴의 재입원 위험인자로 환자의 어린 연령과 동반 질환이 유의하였다. 소아 환자가 폐렴으로 입원했을 때 연령이 낮고 동반 질환이 있다면 더 정확한 검사와 치료, 퇴원 시기 결정, 외래 추적관찰 등에 신중을 기하여 향후 재입원율을 줄이기 위한 종합적 접근이 필요하다.
홍유찬 ( Hong Yu Chan ),유준민 ( Yoo Jun Min ),하민균 ( Ha Min-gyun ),강영구 ( Kang Yeung-ku ),안진희 ( Ahn Jin-hee ) 한국구조물진단유지관리공학회 2019 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.23 No.2
강구조물은 부재를 볼트 연결이나 용접을 이용하여 분절 제작된 부재를 연결하여 사용하고 있다. 볼트 연결된 강구조물의 경우 사용기간 증가에 따라 부분적인 볼트 풀림이나 볼트 이음판 및 볼트의 국부적 부식손상이 발생할 수 있다. 본 연구에서는 강거더 복부판에 설치된 볼트의 교체나 복부판의 부분 교체 시 발생할 수 있는 복부판 볼트 제거에 따라 나타날 수 있는 강거더의 거동 변화를 평가하기 위하여 강거더 실험체를 대상으로 복부판의 볼트 풀림에 따른 거동 변화를 평가하였다. 다양한 풀림과정을 고려하였으며, 볼트 연결부에 작용하중 상태를 고려하여 볼트 풀림을 강거더 시험체 재하 상태에서 실시하고 그 영향을 정량적으로 비교하였다.
홍유찬 ( Hong Yu Chan ),이경석 ( Lee Kyeong Seok ),박재봉 ( Park Jae-bong ),최형석 ( Choi Hyoung-suk ),안진희 ( Ahn Jin-hee ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.2
This study suggested the estimation method of the ground response spectra at a structure location using earthquake acceleration data from seismological observatories. To suggest estimation method based on measured earthquake acceleration data, a algorithm for determining the observations near the structure site was suggested and a module for calculating a ground response spectrum was developed associated with a listed station determining algorithm.
Tuberculosis of the Craniovertebral Junction with Basilar Impression - A Case Report -
홍지명,이상구,박찬우,유찬종,김우경 대한척추신경외과학회 2010 Neurospine Vol.7 No.2
We report a rare case of tuberculosis as a cause of secondary basilar impression. A 35‐year‐old man was admitted to our hospital complaining of severe neck pain and motor weakness on both sides(upper and lower limbs). CT and MRI demonst- rated C1/C2 subluxation, basilar impression, and an abscess occupying the prevertebral space. We performed a single‐stage operation, comprising anterior removal of the abscess, posterior fixation, and fusion. The patient was discharged five weeks after surgery without any neurologic deficits or complications. Only few reports have been published worldwide describing cases of tuberculosis as a cause of secondary basilar impression. Tuberculosis of the craniovertebral(CV) junction should be considered, especially in young patients with mid‐ to long‐term histories of neck pain without clear origins, to allow for early intervention.
스킨스쿠버 다이빙 리조트 참여자의 경험적 가치가 감정반응과 장소애착에 미치는 영향
이유찬(Lee, Yoo-Chan),홍찬정(Hong, Chan-Jeong) 한국사회체육학회 2018 한국사회체육학회지 Vol.0 No.73
The current study aims to elucidate the impact of experiential value perceived by people who have done skin scuba diving in the waters of Jeju, and how it affects their emotional responses and affinity to locations. To achieve this end, the study surveyed customers at a scuba diving resort in Jeju, using a structuralized set of questions as the tool and collecting data via convenience sampling method. The obtained data were analyzed using SPSS 20.0 program, and verified at significance level of α=.05. To test validity and reliability, Cronbach’s α test was conducted, and a frequency analysis was made to explain individual traits. Finally, correlation analysis and multiple regression analysis were conducted to understand the relationship among various factors. The following conclusions are obtained via above research methodology and procedures: First, the experiential value of the skin scuba diving participants had a significant effect on their emotional responses. Second, the experiential value of the skin scuba diving participants had a significant effect on their affinity to location. Third, the emotional responses of the skin scuba diving participants had a significant effect on their affinity to location.