1.Kasai Operation for Extrahepatic Biliary Atresia - Survival and Prognostic Factors.
Chan Seok YOON ; Seok Joo HAN ; Young Nyun PARK ; Ki Sup CHUNG ; Jung tak OH ; Seung Hoon CHOI
Journal of the Korean Association of Pediatric Surgeons 2006;12(2):202-212
The prognostic factors for extrahepatic biliary atresia (EHBA) after Kasai portoenterostomy include the patient's age at portoenterostomy (age), size of bile duct in theporta hepatis (size), clearance of jaundice after operation (clearance) and the surgeon's experience. The aim of this study is to examine the most significant prognostic factor of EHBA after Kasai portoenterostomy. This retrospective study was done in 51 cases of EHBA that received Kasai portoenterostomy by one pediatric surgeon. For the statistical analysis, Kaplan-Meier method, Logrank test and Cox regression test were used. A p value of less than 0.05 was considered to be significant. Fifteen patients were regarded as dead in this study, including nine cases of liver transplantation. There was no significant difference of survival to age. The age is also not a significant risk factor for survival in this study (Cox Regression test; p = 0.63). There was no significant difference in survival in relation to the size of bile duct. However, bile duct size was a significant risk factor for survival (Cox Regression test; p = 0.002). There was a significant difference in relation to survival and clearance (Kaplan-Meier method; p = 0.02). The clearing was also a significant risk factor for survival (Cox Regression test; p = 0.001). The clearance of jaundice is the most significant prognostic factor of EHBA after Kasai portoenterostomy.
Bile Ducts
;
Biliary Atresia*
;
Humans
;
Jaundice
;
Kaplan-Meier Estimate
;
Liver Transplantation
;
Prognosis
;
Retrospective Studies
;
Risk Factors
2.The admission test and the fetal acoustic stimulation test in the high risk pregnancy.
Jin Shik LEE ; Wan Suk CHO ; Geon Oh KIM ; Chang Yeon KIM ; Yoon Soon LEE ; Yong Tak KIM
Korean Journal of Obstetrics and Gynecology 1993;36(7):1347-1354
No abstract available.
Acoustic Stimulation*
;
Acoustics*
;
Pregnancy, High-Risk*
3.Suicidal Thinking Among Patients With Spinal Conditions in South Korea: A Population-Based Cross-Sectional Study
Tak Kyu OH ; Hye Yoon PARK ; In-Ae SONG
Psychiatry Investigation 2023;20(9):834-842
Objective:
Chronic pain increases the risk of suicide because it is often accompanied by depressive symptoms. However, the existing information regarding suicidal thinking in patients with chronic pain such as spinal conditions is insufficient. We aimed to examine the prevalence of suicidal thinking and the factors associated with it among patients with spinal conditions.
Methods:
Data from the National Health Insurance Service database in South Korea were used in this population-based, cross-sectional study, and 2.5% of adult patients diagnosed with spinal conditions (low back pain and/or neck pain) between 2018 and 2019 were selected using a stratified random sampling technique. Patient Health Questionnaire–9 was used to determine the presence of suicidal thoughts and depressive symptoms.
Results:
33,171 patients with spinal conditions were included in this study. Among them, 5.9% had suicidal thinking and 20.7% had depressive symptoms. In the multivariable logistic regression model, old age, male sex, and employment were associated with a decreased prevalence of suicidal thinking. Current smokers, previous smokers, medical aid program recipients, and patients with mild-to-moderate or severe disability showed increased suicidal thinking. Underlying depression, bipolar disorder, insomnia disorder, and substance abuse were also associated with increased suicidal thinking.
Conclusion
In South Korea, 5.9% and 20.7% of patients with spinal conditions had suicidal thoughts and depressive symptoms, respectively. Some factors were associated with an increased prevalence of suicidal thoughts among patients with spinal conditions. Our results suggest that screening for these factors can help prevent suicide in patients with spinal conditions.
4.Association between Depression and Mortality in Patients with Pain Conditions: A South Korean Nationwide Cohort Study
Tak Kyu OH ; Hye Yoon PARK ; In-Ae SONG
Yonsei Medical Journal 2023;64(8):481-488
Purpose:
Patients with pain conditions may experience depression that greatly complicates treatment. In this study, we examined risk factors for depression in patients with pain conditions and associations between depression and long-term mortality in such patients.
Materials and Methods:
Data from the National Health Insurance Service database in South Korea were used in this cohort study. A total of 2.5% of adult patients diagnosed with pain conditions in 2010 were selected using a stratified random sampling technique and included for analysis. We performed multivariate logistic regression modelling to identify risk factors associated with depression and multivariate Cox regression modelling to determine whether depression is associated with 10-year survival outcomes in patients with pain conditions.
Results:
In total, data from 1808043 patients with pain conditions in 2010 were analyzed. Among them, 70148 (3.9%) patients had depression. Multivariate logistic regression modelling identified older age, comorbidities, analgesics, female sex, living in an urban area, and other underlying psychiatric morbidities as potential risk factors for depression in patients with pain conditions. Multivariate Cox regression revealed that 10-year all-cause mortality in patients with depression was 1.13-fold (hazard ratio, 1.13;95% confidence interval, 1.11–1.16; p<0.001) higher than that in patients without depression and pain conditions.
Conclusion
We identified a few potential risk factors for depression among South Korean patients with pain conditions. Depression was associated with elevated 10-year all-cause mortality in patients with pain conditions.
5.Suicide Risk in Survivors of Acute Respiratory Distress Syndrome: A Nationwide Cohort Study in South Korea
Tak Kyu OH ; Hye Yoon PARK ; In-Ae SONG
Psychiatry Investigation 2022;19(8):646-653
Objective:
We aimed to examine the prevalence and risk factors of suicide among patients with acute respiratory distress syndrome (ARDS).
Methods:
Data were extracted from the National Health Insurance Service database in South Korea. This study included all adults admitted to intensive care units with a diagnosis of ARDS from January 1, 2010 to December 31, 2019, who survived ≥365. The primary endpoint in this study was suicide within 1 year of an ARDS diagnosis, which was determined as death by a suicide attempt or self-harm.
Results:
Analysis included 9,928 patients identified as ARDS survivors. One-year all-cause mortality occurred in 5,021 patients, 186 (1.9%) of which died by suicide. In multivariable Cox regression, older age, continuous renal replacement therapy, cardiopulmonary resuscitation incidence, history of self-harm or attempted suicide and concurrent substance abuse were associated with a higher risk of death by suicide among ARDS survivors.
Conclusion
During the 1-year follow-up period, 1.9% of ARDS survivors died by suicide in South Korea, and some factors were identified as potential risk factors for death by suicide. Knowledge of the factors associated with suicide might allow for earlier intervention to potentially reduce the death by suicide among ARDS survivors.
6.Insomnia Disorder Among Coronavirus Disease Survivors: A South Korean Nationwide Cohort Study
Hye Yoon PARK ; In-Ae SONG ; Tak Kyu OH
Psychiatry Investigation 2021;18(11):1082-1090
Objective:
We investigated the prevalence and associated factors of insomnia disorder among survivors of coronavirus disease of 2019 (COVID-19).
Methods:
This population-based cohort study used data from the National Health Insurance Service COVID-19 cohort database from January 1 to June 4, 2020. COVID-19 patients were defined as individuals whose test confirmed that they were infected, regardless of the severity, and survivors were defined as individuals who recovered from the infection.
Results:
A total of 299,968 individuals were included in the final analysis, and 6,934 were considered as COVID-19 survivors, while the control group comprised 292,764 individuals. In the multivariable model after covariate adjustment, COVID-19 survivors had a 3.33-fold higher prevalence of insomnia disorder than the control group (odds ratio [OR]: 3.33, 95% confidence interval [CI]: 2.98–3.73; p<0.001). In the sensitivity analysis, the COVID-19 survivors with no specific treatment and the survivors with specific treatment were associated with a 3.16-fold (OR: 3.16, 95% CI: 2.77–3.59; p<0.001) and 3.89-fold (OR: 3.89, 95% CI: 3.17–4.78; p<0.001) higher prevalence of insomnia disorder than the control group.
Conclusion
In South Korea, 5.4% of COVID-19 survivors were diagnosed with insomnia disorder at 6 months follow-up. Thus, insomnia disorder is a public health issue for COVID-19 survivors.
7.Pathologic Analysis of Endomyocardial Biopsies in Heart Transplantation.
Mee Hye OH ; Jeong Wook SEO ; Kook Yang PARK ; Young Tak LEE ; Yoon Seop JEONG ; Suk Keun HONG ; Joon Ryang RHO ; Byung Hee OH ; Sung Sook KIM
Korean Journal of Pathology 1998;32(2):104-114
Endomyocardial biopsy (EMB) is a valuable diagnostic procedure for the surveillance of cardiac allograft rejection. Interpretation of individual cases is still problematic due to variations of findings for grading of rejection and other associated lesions. We reevaluated an experience on endomyocardial biopsies to develop better diagnostic criteria for rejection and other complications. Immunohistochemical studies against cytokines were performed to assess the usefulness of the method for the diagnosis or researches. A total of 249 EMBs taken from 33 cardiac allograft recipients were reviewed. There were 25 males and 8 females. Dilated cardiomyopathy was present (24 cases) and valvular heart disease (4 cases), restrictive cardiomyopathy (3 cases) were also common conditions. We applied the grading system of the International Society for Heart Transplantation (ISHT) for the assessment of acute cellular rejection. Grades of 0, 1A, 1B, 2, 3A and 3B were 39.0%, 28.1%, 11.2%, 11.5%, 12.4% and 1.6% respectively, but 3.2% were inadequate. Thirty five episodes of grade 3A or 3B were present in 17 patients. The response to therapy was assessed using a next follow up biopsy, which revealed resolving or resolved rejection in 85% of patients. The intensity of immunohistochemical stains for IL-6 and TNF-alpha was increased in proportion to the histologic grade but Quilty lesion and cardiomyopathy also showed a positive reaction. The other pathologic findings were ischemic change, previous biopsy site, interstitial edema and fibrosis, and Quilty lesion. These findings showed usefulness of endomyocardial biopsy not only for the evaluation of cardiac allograft rejection but also for the diagnosis of associated cardiac lesions. Immunohistochemical study of the cytokines was related to the degree of inflammation rather than degree of rejection.
Allografts
;
Biopsy*
;
Cardiomyopathies
;
Cardiomyopathy, Dilated
;
Cardiomyopathy, Restrictive
;
Coloring Agents
;
Cytokines
;
Diagnosis
;
Edema
;
Female
;
Fibrosis
;
Follow-Up Studies
;
Heart Transplantation*
;
Heart Valve Diseases
;
Heart*
;
Humans
;
Inflammation
;
Interleukin-6
;
Male
;
Tumor Necrosis Factor-alpha
8.Effects of Paclitaxel, Irinotecan, and Mitomycin C on a Highly Malignant Xeno-Transplanted Neuroblastoma.
Yoon Suk SHIN ; Seung Hoon CHOI ; Jung Tak OH ; Seok Joo HAN ; Eui Ho HWANG
Journal of the Korean Surgical Society 1999;57(3):318-323
BACKGROUND: The purpose of this study was to assess the efficacy of three chemotherapeutic agents both new and old, on a human neuroblastoma xenograft, designated TNB9, according to the standard Battelle Columbus Laboratories protocol. Cytogenetic and phenotypic analyses showed that TNB9 was one of the most malignant strains among human neuroblastoma xenografts. METHODS: When the estimated TNB9 tumor weight reached 100 to 200 mg, 28 nu/nu BALB/c tumor- bearing mice were randomly divided into 4 groups. One of three drugs was administered intraperitoneally in a total of three doses at four-day intervals to the mice in each experimental group while the control group received injections of normal saline. The doses of these agents at each injection were equivalent to one-third of the LD50. The results were evaluated on the basis of the maximum inhibition rate and also by the degree of tumor regression. RESULTS: Maximum inhibition rates were as follows: mitomycin C, 95.6%; irinotecan (CPT-11), 72.5%; paclitaxel, 46.4%. Mitomycin C was graded as having effects, representing tumor regression. Irinotecan was also effective against TNB9, and none of the irinotecan treated mice lost weight, suggesting minimal toxicity. CONCLUSIONS: Assessment of the chemotherapeutic sensitivity in vivo showed that irinotecan, mitomycin C were active agents whereas paclitaxel had minimal or marginal activity in the treatment of neuroblastoma.
Animals
;
Cytogenetics
;
Heterografts
;
Humans
;
Lethal Dose 50
;
Mice
;
Mice, Nude
;
Mitomycin*
;
Neuroblastoma*
;
Paclitaxel*
;
Tumor Burden
9.Discussions and Implications of the Recent Enactment & Revision of the Healthcare Law.
Oh Tak KWON ; Jun Gu SEON ; So Yoon KIM
Journal of Korean Medical Science 2012;27(Suppl):S82-S87
Recently, there have been many changes in the area of healthcare. There is no certainty how these changes will affect the healthcare system and public health. However, to at least have these changes positively implemented, it is clear that evaluation through continuous monitoring is necessary. The enforcement of the Medical Institution Accreditation and Medical Dispute Mediation Law as well as legal revisions regarding the public healthcare system are changes to improve the quality of healthcare, while at the same time, provide penalties for infractions of the new law such as medicine/medical device rebates; moreover, legal revisions regarding telemedicine are anticipated to impartially vitalize technical development as well as the pharmaceutical industry. For these changes to have a positive effect on the medical field and people's lives, an accurate comprehension of the system and understanding of the details is necessary to be able to respond sensitively to any changes in the future. Therefore, this paper examined the background information on the current discussion on the changes in the healthcare system, examined the detailed content of the system, and reviewed the areas that were in dispute as well as the main issues to contemplate the expected effects of the changes and future tasks that may be generated as a result. These considerations will act as foundation for an in depth understanding of recent trends in the healthcare system.
Accreditation/legislation & jurisprudence
;
Delivery of Health Care/*legislation & jurisprudence
;
Health Care Reform
;
Humans
;
Quality of Health Care
;
Telemedicine
10.Relationship between control measurement point (CMP) value of Electroacupucture according to Voll(EAV) and clinical laboratory findings and subjective symptoms of patients.
Eun Sook PARK ; Yong Chul KIM ; Sekyung OH ; Dokyoung YOON ; Seon Mee KIM ; Kyung Hwan CHO ; Yong Kyun ROH ; Jeong Yeol OH ; Hee Tak YOO
Journal of the Korean Academy of Family Medicine 1998;19(9):736-744
BACKGROUND: The objective confirmation of subjective symptom of patient is important in the primary care consisted largely by functional disorders of which mechanisn could not explain the symptoms clearly. Definite diagnostic method is not established yet for the functional disorders desptie the fact that various investigations have been done. So, we tried to reveal the relationship between the value of indicator drop(ID) from electroacupunctrure point accordint to Voll and the clinical diagnosis and subjective symptom by using noninvasive electroacupuncture diagnosis according to Voll. METHODS: Among the patients of three university level hospital health care center from April to June 1997, consenting 203 persons were enrolled. Various laboratory finding and ID from EAV were measured by double blind test method. In parallel, Subjective symptom was classified by each organ. Validity was tested by the relationship between the gastrofiberscopy finding and the stomach control measurement point ID. RESULTS: There were statistically significant ID increases in the CMPs of endocrine, lung, circulation system, gastrointestinal system, kidney and bladder compared to alboratory findings or subjective symptom by the comparison between the variables of the assessed clinical or laboratory findings and organ specific CMP score. Especially, the ID increase of stomach shows 79.3%-90.9% positive predictive value to positve findings of gastrofiberscopy when gastofiberscopy is defined to confirmation test of gastritis, gastric ulcer and duodenal ulcer. CONCLUSION: Our results show that the noninvasive electrodiagnostic method result by measuring EAV of organ system is related statistically to subjective symptoms and laboratory findings. Also they show that it could be useful tool as a clinical diagnostic method. We suggest that further study is needed to reveal organ specific sensitivity, specificity, positivE and negative predictive value by using ccnfirmation method of organ specific disease.
Delivery of Health Care
;
Diagnosis
;
Duodenal Ulcer
;
Electroacupuncture
;
Gastritis
;
Humans
;
Kidney
;
Lung
;
Primary Health Care
;
Sensitivity and Specificity
;
Stomach
;
Stomach Ulcer
;
Urinary Bladder