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Total Knee Arthroplasty: Is It Safe? A Single-Center Study of 4,124 Patients in South Korea
Kyunga Ko,Kee Hyun Kim,Sunho Ko,Changwung Jo,Hyuk-Soo Han,Myung Chul Lee,Du Hyun Ro 대한정형외과학회 2023 Clinics in Orthopedic Surgery Vol.15 No.6
Background: Although total knee arthroplasty (TKA) is considered an effective treatment for knee osteoarthritis, it carries risks of complications. With a growing number of TKAs performed on older patients, understanding the cause of mortality is crucial to enhance the safety of TKA. This study aimed to identify the major causes of short- and long-term mortality after TKA and report mortality trends for major causes of death. Methods: A total of 4,124 patients who underwent TKA were analyzed. The average age at surgery was 70.7 years. The average follow-up time was 73.5 months. The causes of death were retrospectively collected through Korean Statistical Information Service and classified into 13 subgroups based on the International Classification of Diseases-10 code. The short- and long-term causes of death were identified within the time-to-death intervals of 30, 60, 90, 180, 180 days, and > 180 days. Standard mortality ratios (SMRs) and cumulative incidence of deaths were computed to examine mortality trends after TKA. Results: The short-term mortality rate was 0.07% for 30 days, 0.1% for 60 days, 0.2% for 90 days, and 0.2% for 180 days. Malignant neoplasm and cardiovascular disease were the main short-term causes of death. The long-term (> 180 days) mortality rate was 6.2%. Malignant neoplasm (35%), others (11.7%), and respiratory disease (10.1%) were the major long-term causes of death. Men had a higher cumulative risk of death for respiratory, metabolic, and cardiovascular diseases. Age-adjusted mortality was significantly higher in TKA patients aged 70 years (SMR, 4.3; 95% confidence interval [CI], 3.3–5.4) and between 70 and 79 years (SMR 2.9; 95% CI, 2.5–3.5) than that in the general population. Conclusions: The short-term mortality rate after TKA was low, and most of the causes were unrelated to TKA. The major causes of long-term death were consistent with previous findings. Our findings can be used as counseling data to understand the survival and mortality of TKA patients.
사료내 쑥 첨가가 육체의 성장률, 영양소 이용율, 복강내 지방에 미치는 영향
Lee Sung-Jin,Song Ki-Duk,Ko Yung-Du,Kim Chang-Hyun 한국유기농업학회 2010 韓國有機農業學會誌 Vol.18 No.3
This study was carried out to investigate the effects of wormwood (Artemisia sp.) addition on the growth performance, nutrients utilization and abdominal fat deposition of broiler chickens. Two hundred twenty five and two-day old Arboracre strain male commercial broiler chicks were distributed to 5 treatments with wormwood supplementation levels; C(0%), T₁ (1%), T₂ (3%), T₃ (5%), and T₄ (10%) and with 3 replications each with 5 birds for five weeks. Body weight gain during the experiment was improved in T₁ (1723.0g) compared with that of T₃ (1557.7g) and T₄ (1450.7g) (P<0.05). Feed intake was significantly (P<0.05) increased as the levels of wormwood addition increased (C: 2653.8g, T₁: 2852.0, T₂: 2900.3, T₃: 2900.7g, T₄: 2954.7g). Feed conversion rate (feed/gain) was significantly (P<0.05) increased as the levels of wormwood addition increased (C: 1.55, T₁: 1.66, T₂: 1.70, T₃: 1.86, T₄: 2.04). The days reaching to 2.0㎏ of body weight were expected to be 43.2 days in control, whereas those of group T₁ were reduced to 42.6 days by 0.6 day from control. Nutrient utilization and abdominal fat deposition in the experiment were significantly decreased (P<0.05) and small intestine contents in the broilers was significantly increased (P<0.05) as the levels of wormwood addition increased. Therefore, although there was no significant improvement for the performance of broiler chickens with the dietary supplementation of wormwood meal, less than 1% addition of wormwood to broiler diets might have beneficial for human health by reducing the abdominal fat deposition of the broiler chickens.
Subjective Experience on Virtual Reality-Assisted Mental Health Promotion Program
Hyebin Ko,Hyun Ju Lim,Jeonghyun Park,Kyungwon Kim,Hwagyu Suh,Byung Dae Lee,Young Min Lee,Eunsoo Moon,Du-Ri Kim,Jong-Hwan Park,Myung-Jun Shin,Yean-Hwa Lee 대한신경정신의학회 2024 PSYCHIATRY INVESTIGATION Vol.21 No.4
Objective Mental health promotion programs using virtual reality (VR) technology have been developed in various forms. This study aimed to investigate the subjective experience of a VR-assisted mental health promotion program for the community population, which was provided in the form of VR experience on a bus to increase accessibility.Methods Ninety-six people participated in this study. The relationship between the subjective experience and mental health states such as depression, anxiety, perceived stress, and quality of life was explored. The subjective experience on depression and stress before and after VR program treatment was compared using the Wilcoxon signed-rank test. The satisfaction with the VR-assisted mental health promotion program was examined after using the VR program.Results The VR-assisted mental health promotion program on a bus significantly improved subjective symptoms such as depression (p=0.036) and perceived stress (p=0.010) among all the participants. Among the high-risk group, this VR program significantly relieved subjective depressive feeling score (p=0.033), and subjective stressful feeling score (p=0.035). In contrast, there were no significant changes in subjective depressive feelings (p=0.182) and subjective stressful feelings (p=0.058) among the healthy group. Seventy-two percent of the participants reported a high level of satisfaction, scoring 80 points or more.Conclusion The findings of this study suggest that the VR-assisted mental health promotion program may effectively improve the subjective depressive and stressful feelings. The use of VR programs on buses to increase of accessibility for the community could be a useful approach for promoting mental health among the population.
증례 : 호흡기 ; 아시트레틴 투여로 발생한 간질성 폐렴 1예
김성두 ( Sung Du Kim ),김윤정 ( Yoon Jeong Kim ),고석찬 ( Seouk Chan Ko ),이호준 ( Ho Jun Lee ),최재필 ( Jae Phil Choi ),이헌 ( Heon Lee ),김수현 ( Su Hyun Kim ) 대한내과학회 2011 대한내과학회지 Vol.80 No.2S
저자들은 농포성 건선으로 아시트레틴 투여 후 발생한 간질성 폐렴 환자를 경험하여 문헌고찰과 함께 보고하는 바이다. Retinoids are effective systemic agents in the treatment of psoriasis. Acitretin, a synthetic aromatic derivative of retinoic acid, has replaced etretinate in retinoid therapy of psoriasis because of its more favorable pharmacokinetic profile, including a significantly shorter half-life. Most of the adverse effects associated with acitretin are teratogenicity, hepatotoxicity, pseudotumor cerebri, pancreatitis, hyperlipidemia, hyperostosis, and mucocutaneous side effects. There are two reports worldwide describing patients who developed acute respiratory distress syndrome associated with acitretin. This suggests the possibility of serious lung complications associated with acitretin. We report a case of a 61-year-old man who developed interstitial pneumonitis that might have been induced by acitretin during the treatment of pustular psoriasis. In these cases, immediate withdrawal of retinoic acid is necessary, and corticosteroid therapy should be considered. (Korean J Med 2011;80:S183-S187)
A New Malting Barley Variety with Early Maturity, Lodging Resistance, and Good Quality "Daeabori"
Jong Nae Hyun,Sang Ik Han,Dong Su Park,Jong Min Ko,Duck Yong Suh,Soon Jong Kweon,Sae Jung Suh,Du Chul Shin,Huhn Pal Moon 한국육종학회 2002 한국육종학회지 Vol.34 No.4
A new malting barley variety, 'Daeabori', was developed from cross between Jinkwangbori/Milyang 46 and Mihogolden, a good quality, by the barley breeding team in the National Yeongnam Agricultural Experiment Station(NYAES) in 2001. An elite line, YMB1503
사례관리 전문성을 위한 복지관 환경 및 조직몰입에 관한 고찰
박종두(Jong-du Park),고창우(Chang-woo Ko),김규완(Kyu-wan Kim),김영우(Yeong-woo Kim),김하영(Ha-young Kim),오현호(Hyun-ho Oh),정예원(Ye-won Jung),최윤정(Yoon-jung Choi) 한국비영리학회 2024 한국비영리연구 Vol.23 No.1
본 연구는 사례관리 전문성 증진을 위한 목적으로 복지관 환경과 조직몰입이 미치는 영향을 검증하는 목적이 있다. 연구대상은 3종 복지관(장애인, 노인, 종합사회복지관) 사례관리자를 대상으로 하였으며, 2021년 6월부터 60일간 설문조사를 실시하고 300명의 응답결과를 중심으로 SPSS WIN 26.0과 Amos 26.0을 활용하여 분석하였다. 연구결과, 첫째, 복지관의 조직환경은 사례전문성에 직접적인 영향은 없었다(ß=-.134). 둘째, 복지관의 조직환경이 사례관리자의 조직몰입에 영향이 있었다(ß=.896). 셋째, 조직몰입은 사례전문성에 영향이 있었다(ß=.984). 마지막으로 조직환경은 조직몰입을 완전매개하여 사례관리 전문성에 영향이 있었다(ß=.882). 본 연구는 사례관리 전문성에 미치는 영향으로 조직환경과 조직몰입의 효과를 검증하면서 사회복지 현장의 실천적 방향을 제시한 것에 의의가 있다. The purpose of this study is to verify the effect of the welfare center environment and organizational commitment for the purpose of enhancing case management expertise. The subjects of this study were case managers of the three types of welfare centers (the disabled, the elderly, and general social welfare centers), and from June 2021, a questionnaire survey was conducted for 60 days and analyzed using SPSS WIN 26.0 and Amos 26.0, focusing on the response results of 300 people. As a result of the study, first, the organizational environment of the welfare center did not directly affect case expertise (ß=-.134). Second, the organizational environment of the welfare center affected the case manager's organizational commitment (ß=.896). Third, organizational commitment affected case expertise (ß=.984). Finally, the organizational environment completely mediated the organizational commitment to affect the case management expertise (ß=.882). This study is meaningful in that it suggested the practical direction of the social welfare field while verifying the effect of the organizational environment and organizational commitment as an effect on case management expertise.
Kim, Hae An,Lee, Hyun Jung,Hong, Ja Hye,Moon, Hyo Jung,Ko, Du Young,Jeong, Byeongmoon AMERICAN CHEMICAL SOCIETY 2017 Biomacromolecules Vol. No.
<P>Pluronics F127 (P, PEG-PPG-PEG triblock copolymer) was coupled with diphenylalanine (FF) to prepare FF-end-capped Pluronics (FFPFF). With increasing temperature from 10 to 60 degrees C, the FFPFF self-assembled to vesicles in water. The unimer-tovesicle transition accompanies endothermic enthalpy of 53.9 kcal/mol. Aqueous P and FFPFF solutions exhibited thermogelation in 15.0-24.0 wt %. The gel phase of FFPFF was stable up to 90 degrees C, whereas that of P turned into a sol again at 55-86 degrees C, indicating that end-capping with FF improved the gel stability against heat. In addition, the carboxylic acids of the FF end-groups can form coordination bonds with metal ions, and the gel modulus at 37 degrees C increased from 1521 KPa (P) to 20-25 KPa (FFPFF) to 24-28 KPa (FFPFF-Zn), and the duration of gel against water-erosion increased from 24 h (P) to 60 h (FFPFF-Zn), leading to a useful biomaterial for sustained drug delivery. The FFPFF-Zn gels implanted in the rats' subcutaneous layer induced a mild inflammatory responses. Contrary to the previous end-capping of Pluronics by poly(lactic acid), polycarprolactone, carboxylic acid, and so on that weakened the gel stability, the diphenylalanine end-capping strengthened the stability of Pluronics gel against heat and water erosion. This paper suggests that the control of polymer nanoassemblies directed by FF end-groups improves the mechanical properties and stability of the resulting thermogel and, thus, provides a useful drug delivery carrier with prolonged durability.</P>