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오복자(Oh Pok-Ja),이명남(Lee Myung-Nam),강희선(Kang Hee-Sun),김광성(Kim Kwang-Sung),김현옥(Kim Hyun-Ok),설미이(Seol Mi-Ee),소향숙(So Hyang-Sook),신동옥(Shin Dong-Ok),이광미(Lee Kwang-Mi),조미영(Cho Mee-Young),최소영(Choi So-Young),태영 대한종양간호학회 2006 Asian Oncology Nursing Vol.6 No.1
Purpose: This study was designed to develop job description for Korean oncology APNs and assess importance, frequency, and difficulty for each of task elements listed on the job description. Method: Twenty-four ncology APNs or professors working at cancer centers or universities in Korea were enrolled in this study. They were asked to complete the questionnaires about frequencies, importances, and difficulties on the task elements for the APNs which had developed through a DACUM method. Descriptive statistics were produced by using SPSS WIN 10.0. Result: The job description of oncology APNs was identified 5 duties, 44 tasks, and 110 task elements. As for the all five duties, the average scores of the frequency, importance, and difficulty were 2.57, 2.25 and 2.52. And the role of educator was shown as the most important duty of the oncology ANPs, whereas the role of administer was the least. And the role of consultant was the most frequently performed by the oncology APNs. Conclusion: In this study, we could recognize the reality of oncology APNs' performances having wide spectrum from medical to nursing disciplines. For further verifying and improving performance, we need more precisely designed studies with more representative subjects.
오복자(Oh, Pok Ja),최은숙(Choi, Eun Sook),이진(Lee, Jin) 대한종양간호학회 2019 Asian Oncology Nursing Vol.19 No.2
Purpose: The purpose of this study was to explore the experiences of adult cancer patients living with chemotherapy induced peripheral neuropathy (CIPN). Methods: Data were collected from January 2018 to April 2018 through in-depth interviews with nine patients of colorectal and breast cancer. The main question was, ‘What is your experience living with CIPN such as tingling and/or numbness?’ . The data were analyzed using Colaizzi’s phenomenological method. Results: Three theme clusters and six themes emerged: (1) unusual body change; ‘experience of unusual distressing symptoms’ , ‘daily activities and functioning affected’ , (2) CIPN: a less important risk; ‘CIPN: a distressing and have to endure’ , ‘lack of concern and therapeutic communication’ , (3) struggle for distressing CIPN through trial and error; ‘try all the remedies that can do’ , ‘getting used to distressing CIPN’ . Conclusion: These results showed that patients did not consider CIPN important until symptoms affected daily activities and QOL. They then tried self-management strategies to deal with CIPN through trial and error. A two-way exchange of information between patients and health professionals could help patients understand CIPN and deal with symptoms if they occur.
PVA 용액법을 통한 나노 Cu 분말합성 및 소결체의 열적 특성
오복현,마충일,이상진,Oh, Bok-Hyun,Ma, Chung-Il,Lee, Sang-Jin 한국재료학회 2020 한국재료학회지 Vol.30 No.2
Effective control of the heat generated from electronics and semiconductor devices requires a high thermal conductivity and a low thermal expansion coefficient appropriate for devices or modules. A method of reducing the thermal expansion coefficient of Cu has been suggested wherein a ceramic filler having a low thermal expansion coefficient is applied to Cu, which has high thermal conductivity. In this study, using pressureless sintering rather than costly pressure sintering, a polymer solution synthesis method was used to make nano-sized Cu powder for application to Cu matrix with an AlN filler. Due to the low sinterability, the sintered Cu prepared from commercial Cu powder included large pores inside the sintered bodies. A sintered Cu body with Zn, as a liquid phase sintering agent, was prepared by the polymer solution synthesis method for exclusion of pores, which affect thermal conductivity and thermal expansion. The pressureless sintered Cu bodies including Zn showed higher thermal conductivity (180 W/m·K) and lower thermal expansion coefficient (15.8×10<sup>-6</sup>/℃) than did the monolithic synthesized Cu sintered body.
암증상과 피로가 소화기 암 환자의 항암화학요법 관련 인지기능 감퇴와 우울에 미치는 영향
오복자(Oh, Pok Ja),이정란(Lee, Jung Ran) 한국간호과학회 2016 Journal of Korean Academy of Nursing Vol.46 No.3
Purpose: The purpose of this study was to test a hypothetical model of chemotherapy-related cognitive impairment (CRCI) and depression in people with gastrointestinal cancer. Methods: A purposive sample of 198 patients undergoing chemotherapy was recruited from November 2014 to July 2015. The instruments were Everyday Cognition (ECog), Hospital Anxiety Depression Scale (HADS), Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-F), and M. D. Anderson Symptom Inventory-Gastrointestinal Cancer Module. Data were analyzed using descriptive statistics, correlation, and path analysis. Results: CRCI was directly affected by cancer symptoms (ß=.19, p =.004) and fatigue (ß=.56, p <.001)(R²=47.2%). Depression was directly affected by fatigue (ß=.48, p <.001) and CRCI (ß=.27, p <.001). However, The impact of cancer symptoms on depression was confirmed through the mediating effect of CRCI. Conclusion: Results indicate that in patients with gastrointestinal cancer undergoing chemotherapy along with the direct physiologic effects (fatigue, symptoms) of cancer treatment may have altered cognitive function leading to depression.
항암화학요법을 받는 위암 환자의 말초신경병증, 수면장애 및 삶의 질의 변화: 전향적 종단 연구
오복자(Oh, Pok Ja),이진(Lee, Jin),김정혜(Kim, Jeong Hye) 대한종양간호학회 2020 Asian Oncology Nursing Vol.20 No.2
Purpose: The purpose of this study was to identify the changes of chemotherapy induced peripheral neuropathy (CIPN), sleep quality, and quality of life and their interrelationships following chemotherapy. Methods: A sample of 52 patients who had been diagnosed with stomach cancer receiving oxaliplatin containing chemotherapy were included in a prospective longitudinal study. The assessment tools were Chemotherapy-induced Peripheral Neuropathy 20, Pittsburgh Sleep Quality Index, and EORTC Quality of Life-Cancer. The data were collected at three time points: pre-chemotherapy, post-chemotherapy, and three months after the completion of chemotherapy, using questionnaires given between June 2017 and March 2019. Data were analyzed using descriptive statistics, repeated measures analysis of variance, and multiple regression analysis. Results: Post-chemotherapy, 19.2% of patients complained of CIPN and 21.2% exhibited CIPN at three-month follow-up. Repeated measures ANOVA showed a significant increase in CIPN after chemotherapy and it remained high at three-month follow-up (F = 39.90, p< .001). Functional quality of life (F = 8.23, p< .001) and symptom quality of life (F = 7.88, p= .001) also showed significant decreases after chemotherapy, and symptom quality of life remained low at three-month follow-up. However, for sleep quality, no significant main effect of time point was shown. CIPN and sleep quality were a factor influencing quality of life with an explanatory power of 48.3% at post-chemotherapy and 65.3% at three-month follow up. Conclusion: These results suggest that chemotherapy is highly associated with CIPN and symptoms affecting quality of life in cancer patients. Nursing intervention is needed to monitor and relieve these symptoms of patients during the cancer care trajectory.
Prioritization of Research Topics of Korean Oncology Nurses
Lee, Eun-Hyun(이은현),Chung, Bok Yae(정복례),Chun, Nami(전나미),Oh, Pok Ja(오복자),Cho, Soo-Yeon(조수연) 대한종양간호학회 2013 Asian Oncology Nursing Vol.13 No.4
Purpose: The aim of this study was to determine the prioritization of research topics by Korean oncology nurses. Methods: A descriptive and cross-sectional survey was conducted via the website of the Korean Oncology Nursing Society, with participation sought by email from all of its members. Results: Overall, ‘pain’ and ‘quality of life’ were the most important among the 74 topics, ‘cancer prevention’ was ranked 47th, while ‘informatics’ and ‘telehealth’ were ranked 62nd and 72nd, respectively. Korean oncology nursing research needs to be expanded to include community-based cancer prevention. In addition, research on informatics and telehealth in the oncology nursing area is necessary given the current dramatic changes in the implementation of information technology in medical services. Conclusion: These findings may contribute toward the development of a Korean oncology nursing research agenda and the provision of information to funding agencies with respect to setting the priorities of oncology nursing research.
유방암 환자의 항암화학요법 관련 인지기능 변화와 삶의 질의 구조모형
이정란(Lee, Jung Ran),오복자(Oh, Pok Ja) 한국간호과학회 2019 Journal of Korean Academy of Nursing Vol.49 No.4
Purpose: This study aimed to develop and test a structural model for chemotherapy-related cognitive impairment of breast cancer patients based on a literature review and Hess and Insel’s chemotherapy-related cognitive change model. Methods: The Participants consisted of 250 patients who were ≥19 years of age. The assessment tools included the Menopause Rating Scale, Symptom Experience Scale, Hospital Anxiety and Depression Scale, Everyday Cognition, and Functional Assessment of Cancer Therapy-Breast Cancer. Data were analyzed using the SPSS 21.0 and AMOS 21.0 programs. Results: The modified model was a good fit for the data. The model fit indices were χ²=423.18 (p<.001), χ²/df=3.38, CFI=.91, NFI=.91, TLI=.89, SRMR=.05, RMSEA=.09, and AIC=515.18. Chemotherapy-related cognitive impairment was directly influenced by menopausal symptoms (β=.38, p=.002), depression and anxiety (β=.25, p=.002), and symptom experiences (β=.19, p=.012). These predictors explained 47.7% of the variance in chemotherapy-related cognitive impairment. Depression and anxiety mediated the relations among menopausal symptoms, symptom experiences, and with chemotherapy related cognitive impairment. Depression and anxiety (β=-.51, p=.001), symptom experiences (β=-.27, p=.001), menopausal symptoms (β=-.22, p=.008), and chemotherapy-related cognitive impairment (β=-.15, p=.024) had direct effects on the quality of life and these variables explained 91.3%. Conclusion: These results suggest that chemotherapy-related toxicity is highly associated with cognitive decline and quality of life in women with breast cancer. Depression and anxiety increased vulnerability to cognitive impairment after chemotherapy. Nursing intervention is needed to relieve chemotherapy-related toxicity and psychological factor as well as cognitive decline for quality of life in patients undergoing chemotherapy.