1.A Clinical Outcome of Automated Percutaneous Lumbar Discectomy: more than 4 years follow up.
Eung Ha KIM ; Chang Wan SEON ; Duck Yun CHO
The Journal of the Korean Orthopaedic Association 1998;33(3):819-825
An automated percutaneous lumbar discectomy(APLD) have been apphed for contained lumbar disc herniation. But suggested that more exclusion criteria than disc containment was needed to improve success rate. The purposes of this study are to evaluate cIinical outcome of more than 4 years follow up of APLD, to analysis the cause of failure for longer follow up period, and to define prognostic factor of APLD. The l04 patients with contained lumbar disc herniation were treated with APLD from March 1990 to November 1992 in National Medical Center. The surgical candidates were contained focal disc herniation in MRI, sciatica than back pain, failure to conservative management at least 6 weeks and clinical and radiological correlation. And patient were excluded from this data if they had history of previous lumbar surgery and compensation claims. Among them 74 cases were followed up for over 4 years (Mean: 5.3 years). The results were accessed by questionnaire using telephone or OPD follow up. The overall success rate was 84% on 3 months follow up, but 68.9% on more than 4 years follow up by four subjective criterias (Onik, 1987). Causes of decreasing success rate were reoperation, recurrence without specific cause or after sprain and heavy work. 76% of failed cases occurred within 1 year and 40% of them underwent open discectomy. The patient sex, treated level, duration of symptom were not influenced on success rate, but age was factor related to success rate. In this study we can assess the effectiveness of APLD within 3 months in most cases and then change treatment option according to patients status, and it seems that we need more exclusion criteria than disc containment in MRI and refined patient selection in order to decrease the failures.
Back Pain
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Compensation and Redress
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Containment of Biohazards
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Diskectomy*
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Follow-Up Studies*
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Humans
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Magnetic Resonance Imaging
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Patient Selection
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Surveys and Questionnaires
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Recurrence
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Reoperation
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Sciatica
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Sprains and Strains
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Telephone
2.The Treatment of de Qurvain's Disease
Duck Yun CHO ; Young Gil HAHM ; Chang Wan SEON
The Journal of the Korean Orthopaedic Association 1996;31(5):1099-1104
We treated the 90 wrists (83 patients) with de Quervain's disease, and studied retrospectively the factors affecting the result of treatment, and the results of several treatment modalities, compared with published series of this disease. There was significant association between outcome and duration of symptoms before treatment, but age, sex, associated disease, and hand dominance were not associated(chi-square test, p < 0.05). And 75 wrists received single injections of steroid and local anesthetic into the tendon sheaths with complete pain relief in 59 wrists (69%). Furthermore, an additional injection gave pain abatement in 6 wrists. And regardless of treatment method, 95% of the whole patients had satisfactory outcome at a mean of 54 months (minimum follow-up, 45 months). We concluded that injection of steroid is the preferred initial treatment in de Quervain's disease, giving complete and lasting relief in 87% of cases.
De Quervain Disease
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Follow-Up Studies
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Hand
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Humans
;
Methods
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Retrospective Studies
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Tendons
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Wrist
3.Transitional Cell Carcinoma of the Ovary.
Yu Seon MIN ; Jong Oh KIM ; Jae Kwan LEE ; Ki Hoon CHANG ; Hae Jung KIM ; Kyu Wan LEE
Korean Journal of Obstetrics and Gynecology 1997;40(3):531-534
Transitional cell carcinoma of the ovary is extremely rare tumor and the category of transitional cell carcinoma has been proposed for those tumors in which definite urothelial features are present but no benign, metaplastic, and/or proliferating Brenner tumor is identified. We report a case of primary transitonal cell carcinoma of the ovary in 48-year old woman who presented with low abdominal pain and dyspepsia. Brief literature was reviewed about the features of its behavioral aggressiveness and characteristic chemosensitivity.
Abdominal Pain
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Brenner Tumor
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Carcinoma, Transitional Cell*
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Dyspepsia
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Female
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Humans
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Middle Aged
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Ovary*
4.Identification of novel susceptibility genes associated with bone density and osteoporosis in Korean women
Bo-Young KIM ; Do-Wan KIM ; Eunkuk PARK ; Jeonghyun KIM ; Chang-Gun LEE ; Hyun-Seok JIN ; Seon-Yong JEONG
Journal of Genetic Medicine 2022;19(2):63-75
Purpose:
Osteoporosis is a common calcium and metabolic skeletal disease which is characterized by decreased bone mass, microarchitectural deterioration of bone tissue and impaired bone strength, thereby leading to enhanced risk of bone fragility.In this study, we aimed to identify novel genes for susceptibility to osteoporosis and/or bone density.
Materials and Methods:
To identify differentially expressed genes (DEGs) between control and osteoporosis-induced cells, annealing control primer-based differential display reverse-transcription polymerase chain reaction (RT-PCR) was carried out in pre-osteoblast MC3T3-E1 cells. Expression levels of the identified DEGs were evaluated by quantitative RT-PCR. Association studies for the quantitative bone density analysis and osteoporosis case-control analysis of single nucleotide polymorphism (SNPs) were performed in Korean women (3,570 subjects) from the Korean Association REsource (KARE) study cohort.
Results:
Comparison analysis of expression levels of the identified DEGs by quantitative RT-PCR found seven genes, Anxa6, Col5a1, Col6a2, Eno1, Myof, Nfib, and Scara5, that showed significantly different expression between the dexamethasontreated and untreated MC3T3-E1 cells and between the ovariectomized osteoporosis-induced mice and sham mice. Association studies revealed that there was a significant association between the SNPs in the five genes, ANXA6, COL5A1, ENO1, MYOF, and SCARA5, and bone density and/or osteoporosis.
Conclusion
Using a whole-genome comparative expression analysis, gene expression evaluation analysis, and association analysis, we found five genes that were significantly associated with bone density and/or osteoporosis. Notably, the association P-values of the SNPs in the ANXA6 and COL5A1 genes were below the Bonferroni-corrected significance level.
5.Requirements for Cerebrovascular Surgery in Comprehensive Stroke Centers in South Korea
Tackeun KIM ; Chang Wan OH ; Hyeon Seon PARK ; Kunsei LEE ; Won Kyung LEE ; Heeyoung LEE
Journal of Korean Neurosurgical Society 2018;61(4):478-484
OBJECTIVE: Cerebrovascular disease (CVD) was the third most common cause of death in South Korea in 2014. Evidence from abroad suggests that comprehensive stroke centers play an important role in improving the mortality rate of stroke. However, surgical treatment for CVD is currently slightly neglected by national policy, and there is still regional imbalance in this regard. For this reason, we conducted a survey on the necessity of, and the requirements for, establishing regional comprehensive cerebrovascular surgery centers (CCVSCs).METHODS: This investigation was performed using the questionnaire survey method. The questionnaire was consisted with two sections. The first concerned the respondent’s opinion regarding the current status of demand and the regional imbalance of cerebrovascular surgery in South Korea. The second section asked about the requirements for establishing regional CCVSCs. We sent the questionnaire to 100 board members of the Korean Society of Cerebrovascular Surgeons.RESULTS: Most experts agreed that cerebrovascular surgery patients were concentrated in large hospitals in the capital area, and 83.6% of respondents agreed that it was necessary to alleviate the regional imbalance of cerebrovascular surgery. With regards to personnel, over 90% of respondents answered that at least two neuro-vascular surgeons and two neuro-interventionists are necessary to establish a CCVSC. Regarding facilities, almost all respondents stated that each CCVSC would require a neuro-intensive care unit and hybrid operating room. The survey asked the respondents about 13 specific neurovascular surgical procedures and whether they were necessary for a regional CCVSC. In the questions about the necessity of cerebrovascular surgical equipment, all seven pieces of equipment were considered essential by all respondents. A further five pieces of equipment were considered necessary on site: computed tomographic angiography, magnetic resonance angiography, conventional angiography, surgical microscope, and surgical navigation. Our results may provide a basis for future policy regarding treatment of cerebrovascular disease, including surgery.CONCLUSION: Raising the comprehensiveness of treatment at a regional level would lower the national disease burden. Policies should be drafted regarding comprehensive treatment including surgery for cerebrovascular disease, and related support plans should be implemented.
Angiography
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Cause of Death
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Cerebrovascular Disorders
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Health Resources
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Humans
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Korea
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Magnetic Resonance Angiography
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Mortality
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Operating Rooms
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Patient Transfer
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Stroke
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Surgeons
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Surgical Equipment
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Surveys and Questionnaires
6.Work Restrictions for Healthcare Personnel with Potential In-hospital Exposure to SARS-CoV-2: Experience at a Tertiary Hospital
Hyeon Jae JO ; Ji Seon KIM ; Pyoeng Gyun CHOE ; Hyo Yeon LEE ; Euijin CHANG ; Hyemin JUNG ; Chang Kyung KANG ; Wan Beom PARK ; Nam Joong KIM ; Myoung-don OH
Journal of Korean Medical Science 2021;36(38):e274-
Applying work restrictions for asymptomatic healthcare personnel (HCP) with potential exposure to coronavirus disease 2019 (COVID-19) is recommended to prevent transmission from potentially contagious HCP to patients and other HCP. However, it can lead to understaffing, which threatens the safety of both patients and HCP. We evaluated 203 COVID-19 exposure events at a single tertiary hospital from January 2020 to June 2021. A total of 2,365 HCP were potentially exposed, and work restrictions were imposed on 320 HCP, leading to the loss of 3,311 working days. However, only one of the work-restricted HCP was confirmed with COVID-19. During the study period, the work restriction measures might be taken excessively compared to their benefit, so establishing more effective standards for work restriction is required.
7.Work Restrictions for Healthcare Personnel with Potential In-hospital Exposure to SARS-CoV-2: Experience at a Tertiary Hospital
Hyeon Jae JO ; Ji Seon KIM ; Pyoeng Gyun CHOE ; Hyo Yeon LEE ; Euijin CHANG ; Hyemin JUNG ; Chang Kyung KANG ; Wan Beom PARK ; Nam Joong KIM ; Myoung-don OH
Journal of Korean Medical Science 2021;36(38):e274-
Applying work restrictions for asymptomatic healthcare personnel (HCP) with potential exposure to coronavirus disease 2019 (COVID-19) is recommended to prevent transmission from potentially contagious HCP to patients and other HCP. However, it can lead to understaffing, which threatens the safety of both patients and HCP. We evaluated 203 COVID-19 exposure events at a single tertiary hospital from January 2020 to June 2021. A total of 2,365 HCP were potentially exposed, and work restrictions were imposed on 320 HCP, leading to the loss of 3,311 working days. However, only one of the work-restricted HCP was confirmed with COVID-19. During the study period, the work restriction measures might be taken excessively compared to their benefit, so establishing more effective standards for work restriction is required.
8.Seroepidemiological survey of Tsutsugamushis disease in Korea, 1990.
Woo Hyun CHANG ; Ick Sang KIM ; Seon Ho KEE ; Myung Joon HAN ; Seung Ryong SEONG ; Yong IM ; Kang Won CHOI ; Joong Hoon LEE ; Jae Seung KANG ; In Hak CHOI ; Joo Wan KIM ; Byung Chan KIM
Journal of the Korean Society for Microbiology 1991;26(3):273-277
No abstract available.
Korea*
9.Risk Factors for Food Residue after Distal Gastrectomy and a New Effective Preparation for Endoscopy: The Water-Intake Method.
Sung Bum CHO ; Kyoung Won YOON ; Seon Young PARK ; Wan Sik LEE ; Chang Hwan PARK ; Young Eun JOO ; Hyun Soo KIM ; Sung Kyu CHOI ; Jong Sun REW
Gut and Liver 2009;3(3):186-191
BACKGROUND/AIMS: Food residue is frequently observed in the gastric remnant after distal gastrectomy, despite adequate preparation. We devised a water-intake method to reduce food residue in the gastric remnant by drinking large quantities of water in a short time. The aims of this study were to identify the risk factors for food residue and to study the effectiveness of this new method for endoscopy preparation. METHODS: A cohort of 708 patients who underwent distal gastrectomy for gastric cancer was reviewed prospectively. Sixty patients with large amounts of food residue were randomly divided into two groups: a water-intake group (n=40) and a prolonged fasting group (n=20). RESULTS: The incidences of a large amount of food residue were 15.7%, 5.8%, 7.5%, and 2.8% at 3, 12, 24, and 36 months, respectively, after distal gastrectomy. Independent risk factors for food residue were endoscopy at 3 months, diabetes mellitus, a body mass index of <19.5, and laparoscopic surgery. The proportion of successful preparations at follow-up endoscopy was higher for the water-intake group (70%) than for the prolonged fasting group (40%, p=0.025). CONCLUSIONS: The water-intake method can be recommended as a preparation for endoscopy in patients who have had repetitive food residue or risk factors after distal gastrectomy.
Body Mass Index
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Cohort Studies
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Diabetes Mellitus
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Drinking
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Endoscopy
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Fasting
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Follow-Up Studies
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Gastrectomy
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Gastric Stump
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Humans
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Incidence
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Laparoscopy
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Prospective Studies
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Risk Factors
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Stomach Neoplasms
10.Prevalence of Colorectal Adenoma Is Increased in Patients with Gastric Adenoma.
Seon Young PARK ; Hyun Soo KIM ; Kyung Won YOON ; Sung Bum CHO ; Wan Sik LEE ; Chang Hwan PARK ; Young Eun JOO ; Sung Kyu CHOI ; Jong Sun REW
The Korean Journal of Gastroenterology 2009;54(4):220-226
BACKGROUND/AIMS: It has been reported that patients with gastric cancer may be at increased risk of synchronous or metachronous colorectal cancer. However, the incidence of colorectal adenoma in patients with gastric adenoma has not been discussed earlier. The aims of this study were to investigate the incidence of colorectal adenoma and to evaluate the necessity of colonoscopic surveillance in patients with gastric adenoma. METHODS: We performed colonoscopy in 221 patients with gastric adenoma between January 2002 and June 2008. As a control group, 387 consecutive patients without gastric adenoma on gastroscopy who underwent colonoscopy were included. We retrospectively examined the endoscopic and colonoscopic findings as well as the clinicopathologic features. RESULTS: Colorectal adenoma were diagnosed in 57.5% (127/221) of the gastric adenoma group and 38.0% (147/387) of the control group (p<0.001). Univariate analysis demonstrated that gender, age, past history of diabetes, and past history of gastric adenoma were associated with the risk of colorectal adenoma. Multivariate analysis demonstrated that gender (male, aOR 2.31, 95% CI 1.61-3.31), age (> or =50 years, aOR 2.47, 95% CI 1.53-4.01), past history of diabetes (aOR 2.35, 95% CI 1.32-4.20), and presence of gastric adenoma (aOR 1.63, 95% CI 1.13-2.36) appeared to be independent risk factors for colorectal adenoma. CONCLUSIONS: The risk of colorectal adenoma increases significantly in patients with gastric adenoma. We suggest that colonoscopic surveillance may be necessary in patients with gastric adenoma.
Adenoma/*diagnosis/epidemiology
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Age Factors
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Aged
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Colonoscopy
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Colorectal Neoplasms/*diagnosis/epidemiology
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Diabetes Mellitus/diagnosis
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Female
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Humans
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Male
;
Middle Aged
;
Prevalence
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Retrospective Studies
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Risk Factors
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Sex Factors
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Stomach Neoplasms/*diagnosis