1.Clinical Characteristics of 40 Patients Infected With the SARS-CoV-2 Omicron Variant in Korea
Min-Kyung KIM ; Bora LEE ; Youn Young CHOI ; Jihye UM ; Kyung-Shin LEE ; Ho Kyung SUNG ; Yeonjae KIM ; Jun-Sun PARK ; Myungsun LEE ; Hee-Chang JANG ; Ji Hwan BANG ; Ki-hyun CHUNG ; Jaehyun JEON
Journal of Korean Medical Science 2022;37(3):e31-
Since severe acute respiratory syndrome-coronavirus-2 variant B.1.1.529 (omicron) was first reported to the World Health Organization on November 24, 2021, the cases of the omicron variant have been detected in more than 90 countries over the last month. We investigated the clinical and epidemiological characteristics of the first 40 patients with the omicron variant who had been isolated at the National Medical Center in South Korea during December 4–17, 2021. The median age of the patients was 39.5 years. Twenty-two patients (55%) were women. Seventeen patients (42.5%) were fully vaccinated, and none were reinfected with the omicron. Eighteen (45%) had recent international travel history. Half of the patients (19, 47.5%) were asymptomatic, while the others had mild symptoms. Six patients (15%) showed lung infiltrations on chest image; however, none required supplemental oxygen. These mild clinical features are consistent with recent case reports on the omicron variant from other countries.
2.Ultimate COVID-19 Detection Protocol Based on Saliva Sampling and qRT-PCR with Risk Probability Assessment
Joungha WON ; Hasan Hüseyin KAZAN ; Jea KWON ; Myungsun PARK ; Mehmet Ali ERGUN ; Sureyya OZCAN ; Byung Yoon CHOI ; Won Do HEO ; C. Justin LEE
Experimental Neurobiology 2021;30(1):13-31
In the era of COVID-19 outbreak, various efforts are undertaken to develop a quick, easy, inexpensive, and accurate way for diagnosis. Although many commercial diagnostic kits are available, detailed scientific evaluation is lacking, making the public vulnerable to fear of false-positive results.Moreover, current tissue sampling method from respiratory tract requires personal contact of medical staff with a potential asymptomatic SARSCOV-2 carrier and calls for safe and less invasive sampling method. Here, we have developed a convenient detection protocol for SARS-COV-2 based on a non-invasive saliva self-sampling method by extending our previous studies on development of a laboratory-safe and low-cost detection protocol based on qRT-PCR. We tested and compared various self-sampling methods of self-pharyngeal swab and self-saliva sampling from non-carrier volunteers. We found that the self-saliva sampling procedure gave expected negative results from all of the non-carrier volunteers within 2 hours, indicating cost-effectiveness, speed and reliability of the saliva-based method. For an automated assessment of the sampling quality and degree of positivity for COVID-19, we developed scalable formulae based on a logistic classification model using both cycle threshold and melting temperature from the qRT-PCR results. Our newly developed protocol will allow easy sampling and spatial-separation between patient and experimenter for guaranteed safety. Furthermore, our newly established risk assessment formula can be applied to a large-scale diagnosis in health institutions and agencies around the world.
3.Development of a Laboratory-safe and Low-cost Detection Protocol for SARS-CoV-2 of the Coronavirus Disease 2019 (COVID-19)
Joungha WON ; Solji LEE ; Myungsun PARK ; Tai Young KIM ; Mingu Gordon PARK ; Byung Yoon CHOI ; Dongwan KIM ; Hyeshik CHANG ; V. Narry KIM ; C. Justin LEE
Experimental Neurobiology 2020;29(2):107-119
The severe acute respiratory coronavirus 2 (SARS-CoV-2), which emerged in December 2019 in Wuhan, China, has spread rapidly to over a dozen countries. Especially, the spike of case numbers in South Korea sparks pandemic worries. This virus is reported to spread mainly through personto- person contact via respiratory droplets generated by coughing and sneezing, or possibly through surface contaminated by people coughing or sneezing on them. More critically, there have been reports about the possibility of this virus to transmit even before a virus-carrying person to show symptoms. Therefore, a low-cost, easy-access protocol for early detection of this virus is desperately needed. Here, we have established a real-time reverse-transcription PCR (rtPCR)-based assay protocol composed of easy specimen self-collection from a subject via pharyngeal swab, Trizolbased RNA purification, and SYBR Green-based rtPCR. This protocol shows an accuracy and sensitivity limit of 1-10 virus particles as we tested with a known lentivirus. The cost for each sample is estimated to be less than 15 US dollars. Overall time it takes for an entire protocol is estimated to be less than 4 hours. We propose a cost-effective, quick-and-easy method for early detection of SARS-CoV-2 at any conventional Biosafety Level II laboratories that are equipped with a rtPCR machine. Our newly developed protocol should be helpful for a first-hand screening of the asymptomatic virus-carriers for further prevention of transmission and early intervention and treatment for the rapidly propagating virus.
4.Development of a Laboratory-safe and Low-cost Detection Protocol for SARS-CoV-2 of the Coronavirus Disease 2019(COVID-19)
Joungha WON ; Solji LEE ; Myungsun PARK ; Tai Young KIM ; Mingu Gordon PARK ; Byung Yoon CHOI ; Dongwan KIM ; Hyeshik CHANG ; Won Do HEO ; V. Narry KIM ; C. Justin LEE
Experimental Neurobiology 2020;29(5):402-402
5.A Phenomenology Study of the Lived Experience of Homeless Persons.
Jin Ju KIM ; Eunyoung PARK ; Myungsun HYUN
Journal of Korean Academy of Psychiatric and Mental Health Nursing 2017;26(1):88-100
PURPOSE: The purpose of this study was to explore the lived experiences of homeless persons. METHODS: A phenomenological methodology was used for the study. Participants were people enrolled in the Center for homeless persons in Kyunggi Province and eligible for the study. Data were collected through in-depth interviews with nine participants between October 13 and November 16, 2016. Data analysis was conducted using Colaizzi's method. RESULTS: Five themes and twenty meanings were formulated for experiences of homeless persons. The five themes were ‘Abandoning their life’, ‘Being familiar with a free homeless life’, ‘Being isolated from the world’, ‘Being impoverished’, ‘Desire to break away from the life of homelessness’. CONCLUSION: The study results suggest the need for a holistic understanding of the essential structure of the lived experiences of homeless persons. Mental health professionals need to understand the homelessness experiences from the client view and to develop programs that can help homeless persons reintegrate into the community.
Gyeonggi-do
;
Homeless Persons*
;
Humans
;
Mental Health
;
Methods
;
Qualitative Research
;
Statistics as Topic
6.Decision Making Experience on Breast Reconstruction for Women with Breast Cancer.
Myungsun YI ; Woo Joung JOUNG ; Eun Young PARK ; Eun Jin KWON ; Haejin KIM ; Ji Young SEO
Journal of Korean Academy of Nursing 2016;46(6):894-904
PURPOSE: The purpose of this study was to explore decision making experiences of Korean women with breast cancer who underwent breast reconstruction with/after a mastectomy. METHODS: Data were collected during 2015-2016 through individual in-depth interviews with 10 women who had both mastectomy and breast reconstruction, and analyzed using phenomenological method to identify essential themes on experiences of making a decision to have breast reconstruction. RESULTS: Five theme clusters emerged. First, “expected loss of sexuality and discovery of autonomy” illustrates various aims of breast reconstruction. Second, “holding tight to the reputation of doctors amid uncertainty” specifies the importance of a trust relationship with their physician despite a lack of information. Third, “family members to step back in position” describes support or opposition from family members in the decision making process. Fourth, “bewilderment due to the paradox of appearance-oriented views” illustrates paradoxical environment, resulting in confusion and anger. Lastly, “decision to be made quickly with limited time to oneself” describes the crazy whirling process of decision making. CONCLUSION: Findings highlight aims, worries, barriers, and facilitators that women with breast cancer experience when making a decision about breast reconstruction. Deciding on breast reconstruction was not only a burden for women in a state of shock with a diagnosis of breast cancer, but also an opportunity to decide to integrate their body, femininity, and self which might be wounded from a mastectomy. These findings will help oncology professionals provide effective educational counselling before the operation to promote higher satisfaction after the operation.
Anger
;
Breast Neoplasms*
;
Breast*
;
Decision Making*
;
Diagnosis
;
Female
;
Femininity
;
Humans
;
Mammaplasty*
;
Mastectomy
;
Methods
;
Qualitative Research
;
Sexuality
;
Shock
;
Wounds and Injuries
7.Comparative analysis of oncologic outcomes for open vs. robot-assisted radical prostatectomy in high-risk prostate cancer.
Donghyun LEE ; Seung Kwon CHOI ; Jinsung PARK ; Myungsun SHIM ; Aram KIM ; Sangmi LEE ; Cheryn SONG ; Hanjong AHN
Korean Journal of Urology 2015;56(8):572-579
PURPOSE: To evaluate the oncologic outcomes of robot-assisted radical prostatectomy (RARP) in high-risk prostate cancer (PCa), we compared the surgical margin status and biochemical recurrence-free survival (BCRFS) rates between retropubic radical prostatectomy (RRP) and RARP. MATERIALS AND METHODS: A comparative analysis was conducted of high-risk PCa patients who underwent RRP or RARP by a single surgeon from 2007 to 2013. High-risk PCa was defined as clinical stage> or =T3a, biopsy Gleason score 8-10, or prostate-specific antigen>20 ng/mL. Propensity score matching was performed to minimize selection bias, and all possible preoperative and postoperative confounders were matched. A Kaplan-Meier analysis was performed to assess the 5-year BCRFS, and Cox regression models were used to evaluate the effect of the surgical approach on biochemical recurrence. RESULTS: A total of 356 high-risk PCa patients (106 [29.8%] RRP and 250 [70.2%] RARP) were included in the final cohort analyzed. Before adjustment, the mean percentage of positive cores on biopsy and pathologic stage were poorer for RRP versus RARP (p=0.036 vs. p=0.054, respectively). The unadjusted 5-year BCRFS rates were better for RARP than for RRP (RRP vs. RARP: 48.1% vs. 64.4%, p=0.021). After adjustment for preoperative variables, the 5-year BCRFS rates were similar between RRP and RARP patients (48.5% vs. 59.6%, p=0.131). The surgical approach did not predict biochemical recurrence in multivariate analysis. CONCLUSIONS: Five-year BCRFS rates of RARP are comparable to RRP in high-risk PCa. RARP is a feasible treatment option for high-risk PCa.
Aged
;
Databases, Factual
;
Humans
;
Kaplan-Meier Estimate
;
Lymphatic Metastasis
;
Male
;
Middle Aged
;
Neoplasm Grading
;
Neoplasm Staging
;
Prostatectomy/*methods
;
Prostatic Neoplasms/pathology/*surgery
;
Robotic Surgical Procedures/*methods
;
Treatment Outcome
8.Multimodal Treatments of Cystine Stones: An Observational, Retrospective Single-Center Analysis of 14 Cases.
Myungsun SHIM ; Hyung Keun PARK
Korean Journal of Urology 2014;55(8):515-519
PURPOSE: To document the experiences of a single institution in evaluating the clinical courses and treatment outcomes of patients with cystine stones. MATERIALS AND METHODS: The clinical data of 14 patients with cystine stones who were treated at our institution from March 1994 to July 2012 were reviewed. These data included age at first visit, gender, family history, body mass index, presence of a single kidney, stone locations, stone burden, routine urinalysis, and culture. In addition, we also analyzed data on surgery, shock wave lithotripsy, medical treatment, stone recurrence or regrowth, and overall treatment success rates. RESULTS: The mean age of our patients at their first visit was 19.6+/-5.0 years, and eight patients were males. The median stone burden and mean urine pH before each surgery were 6.5 cm2 and 6.5+/-0.9, respectively. Two patients had a family history of cystine stones. Patients underwent surgery an average of 2.7 times. The median interval between surgeries was 27.3 months, and 1 open surgery, 12 percutaneous nephrolithotomies, and 25 ureterorenoscopies were performed. Potassium citrate or sodium bicarbonate was used in nine cases. D-Penicillamine was continuously used in three patients. Patients had an average incidence of 3.2 recurrences or regrowth of stones during the median follow-up period of 60.5 months. CONCLUSIONS: Patients with cystine stones have high recurrence or regrowth rates and relatively large stone burdens. Adequate treatment schedules must therefore be established in these cases to prevent possible deterioration of renal function.
Adolescent
;
Adult
;
Child
;
Combined Modality Therapy
;
Cystine/*analysis
;
Cystinuria/complications
;
Female
;
Humans
;
Hydrogen-Ion Concentration
;
Kidney Calculi/chemistry/pathology/therapy
;
Lithotripsy/methods
;
Male
;
Nephrostomy, Percutaneous/methods
;
Recurrence
;
Reoperation
;
Retrospective Studies
;
Treatment Outcome
;
Ureteral Calculi/chemistry/pathology/therapy
;
Urinary Calculi/chemistry/etiology/pathology/*therapy
;
Young Adult
9.Mediating Effect of Therapeutic Relationship with Mental Health Professionals in the Relation between Hope and Recovery of Community Dwelling Patients with a Mental Illness.
Myung Sun HYUN ; Eunyoung PARK ; Young Hee KIM ; Yu Ra KIM ; Myungsun CHO
Journal of Korean Academy of Psychiatric and Mental Health Nursing 2014;23(3):156-164
PURPOSE: This study was conducted to examine the association among therapeutic relationship with mental health professionals, hope, and recovery, and to explore the mediation of therapeutic relationship with mental health professionals in the relation between hope and recovery in South Korean patients with a mental illness. METHODS: A cross-sectional study design was employed. Eligible participants were 99 people with a mental illness who were enrolled as members at two Community Mental Health Centers in Gyeonggi Province. Data were collected from October, 4 to 14, 2011. Data were analyzed using descriptive statistics, Pearson correlation coefficients, and multiple regression analysis. RESULTS: Hope was positively correlated with recovery, and therapeutic relationship with mental health professionals was also positively associated with recovery. The mediating effect of therapeutic relationship with mental health professionals was found in the relation between hope and recovery. CONCLUSION: The results suggest that therapeutic relationship with mental health professionals plays an important role in promoting recovery of the patients with a mental illness. Therefore, mental health professionals should focus on developing a therapeutic relationship with their clients and also consider these recovery-related factors for persons who have a mental illness.
Community Mental Health Centers
;
Cross-Sectional Studies
;
Gyeonggi-do
;
Hope*
;
Humans
;
Mental Health*
;
Mentally Ill Persons
;
Negotiating*
;
Professional-Patient Relations
;
Recovery of Function
10.Phenomenology on the Lived Experience of Korean Women with Spinal Cord Injuries.
Hye Min HWANG ; Myungsun YI ; Eun Young PARK ; Eun Jin KWON
Journal of Korean Academy of Nursing 2012;42(4):508-516
PURPOSE: The purpose of the study was to understand and explain the essences and structures of the experience of Korean women who have had a spinal cord injury. METHODS: The data were collected in 2010 through individual in-depth interviews using open-ended questions. A total of 9 women with spinal cord injuries participated in the study. Each interview lasted about 2 hours. Verbatim transcripts were analyzed using phenomenological analysis. RESULTS: Five theme clusters emerged from the analysis using Colaizzi's method: frozen mind with rigid body; shame due to restrictions of physical function and dependency; struggle to go back to the previous normal body; disabilities that are noticeable in everyday family life; rebirth by discarding the obsessions of the past. These theme clusters illustrate that although most participants faced very strange and unbearable situations in most aspects of life after the injury, they were empowered finally by finding their hope and by giving new meanings to the current existence. CONCLUSION: This study provides deep understanding of women with spinal cord injuries who are relatively alienated from society. Based on the results of the study, health professionals could develop effective nursing interventions to improve quality of life of these women.
Adaptation, Psychological
;
Adult
;
Asian Continental Ancestry Group
;
Disabled Persons
;
Family
;
Female
;
Humans
;
Interviews as Topic
;
Middle Aged
;
Qualitative Research
;
Quality of Life
;
Questionnaires
;
Republic of Korea
;
Spinal Cord Injuries/*psychology
;
Stress, Psychological

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