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Park KJ, Ryoo SB, Kim JS, Kim TI, Baik SH, Kim HJ, Lee KY, Kim M, Kim WH. Allogeneic adipose-derived stem cells for the treatment of perianal fistula in Crohn's disease: a pilot clinical trial. Colorectal Dis 2016; 18:468-76. [PMID: 26603576 DOI: 10.1111/codi.13223] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Accepted: 09/10/2015] [Indexed: 12/13/2022]
Abstract
AIM Many perianal fistulae in Crohn's disease do not respond to conventional surgical and medical management and recurrence rates are high. The study evaluated the safety and feasibility of allogeneic adipose-derived stem cells for the treatment of perianal fistula in Crohn's disease. METHOD A multicentre, open-label, dose escalation pilot study was performed. The first three patients (group 1) were administered 1 × 10(7) cells/ml based on the size of the fistula tract. Four weeks later, after which time this dose had been confirmed to be safe, the next three patients (group 2) were administered 3 × 10(7) cells/ml. The end-point was complete closure at 8 weeks after the injection. Patients who attended for the 8 week assessment were followed for an additional 6 months. RESULTS There were no adverse events of Grade 3 or 4 severity and no adverse events related to the treatment with allogeneic adipose-derived stem cells. Two patients in group 1 achieved complete closure of the fistula at month 4 and month 6, and one patient in group 2 achieved complete closure at 8 weeks. The closure was sustained up to month 8 in all three of those patients. CONCLUSION These data suggest that allogeneic adipose-derived stem cells may be a feasible treatment option for perianal fistula in Crohn's disease.
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Affiliation(s)
- K J Park
- Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - S-B Ryoo
- Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - J S Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - T I Kim
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - S H Baik
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - H J Kim
- Department of Internal Medicine, Kyung Hee University College of Medicine, Seoul, Korea
| | - K Y Lee
- Department of Surgery, Kyung Hee University College of Medicine, Seoul, Korea
| | - M Kim
- Anterogen Co. Ltd, Seoul, Korea
| | - W H Kim
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
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Oh PC, Ahn T, Kim DW, Hong BK, Kim DS, Kwan J, Choi CU, Yang YM, Bae JH, Jung KT, Choi WG, Jeon DW, Cho DK, Pyun WB, Cha KS, Cha TJ, Chun KJ, Kim YD, Kim BS, Kim DI, Kim TI. Comparative effect on platelet function of a fixed-dose aspirin and clopidogrel combination versus separate formulations in patients with coronary artery disease: A phase IV, multicenter, prospective, 4-week non-inferiority trial. Int J Cardiol 2015; 202:331-5. [PMID: 26432484 DOI: 10.1016/j.ijcard.2015.09.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2015] [Revised: 09/07/2015] [Accepted: 09/19/2015] [Indexed: 11/25/2022]
Abstract
BACKGROUND/OBJECTIVES The effect of aspirin and clopidogrel in a fixed-dose combination (FDC) on platelet function was compared with separate formulations in patients that had undergone percutaneous coronary intervention (PCI) with drug-eluting stent (DES). METHODS This was a phase IV, prospective, multicenter, single-arm, non-inferiority study. Patients that had taken aspirin 100 mg and clopidogrel 75 mg once daily as separate formulations for >6 months after PCI with DES were enrolled, and then switched to an aspirin/clopidogrel FDC once-daily for 4 weeks. Platelet reactivity was determined using the VerifyNow® P2Y12 assay at baseline (immediately prior to switching) and 4 weeks later. RESULTS A total of 648 patients (the full-analysis population; age, 63.6±9.0 years; male, 76.5%) finished the study, and 565 (the per-protocol population) completed without protocol violations. In the per-protocol population, the % inhibitions of P2Y12 and ARU were not significantly different between baseline and after 4 weeks of FDC treatment (29.2±20.0% to 29.0±19.9%, P=0.708; 445.1±69.2 to 446.2±63.0, P=0.799, respectively) and the difference in P2Y12 inhibition observed did not exceed the predetermined limit of non-inferiority (95% CI, -0.9 to 1.3). In the full-analysis population, the % inhibitions of P2Y12, PRU, and ARU were not significantly changed after 4 weeks of FDC treatment. CONCLUSIONS This study demonstrates that the efficacy of platelet inhibition by an aspirin/clopidogrel FDC was not inferior to that of separate aspirin and clopidogrel formulations in patients that had undergone PCI with DES.
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Affiliation(s)
- Pyung Chun Oh
- Division of Cardiology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Republic of Korea
| | - Taehoon Ahn
- Division of Cardiology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Republic of Korea.
| | - Dong Woon Kim
- Division of Cardiology, Department of Internal Medicine, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - Bum-Kee Hong
- Division of Cardiology, Department of Internal Medicine, Gangnam Severance Hospital, Seoul, Republic of Korea
| | - Dong-Soo Kim
- Division of Cardiology, Department of Internal Medicine, Inje University, Busan Paik Hospital, Busan, Republic of Korea
| | - Jun Kwan
- Division of Cardiology, Department of Internal Medicine, Inha University Hospital, Incheon, Republic of Korea
| | - Cheol Ung Choi
- Division of Cardiology, Department of Internal Medicine, Korea University Guro Hospital, Incheon, Republic of Korea
| | - Yong-Mo Yang
- Division of Cardiology, Department of Internal Medicine, Cheongju St. Mary's Hospital, Cheongju, Republic of Korea
| | - Jang Ho Bae
- Division of Cardiology, Department of Internal Medicine, Konyang University Hospital, Daejeon, Incheon, Republic of Korea
| | - Kyung Tae Jung
- Division of Cardiology, Department of Internal Medicine, Eulji University Hospital, Daejeon, Republic of Korea
| | - Woong Gil Choi
- Division of Cardiology, Department of Internal Medicine, Konkuk University Chungju Hospital, Chungju, Republic of Korea
| | - Dong Woon Jeon
- Division of Cardiology, Department of Internal Medicine, National Health Insurance Corporation Ilsan Hospital, Goyang, Republic of Korea
| | - Deok Kyu Cho
- Division of Cardiology, Department of Internal Medicine, Myongji Hospital, Goyang, Republic of Korea
| | - Wook Bum Pyun
- Division of Cardiology, Department of Internal Medicine, Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea
| | - Kwang Soo Cha
- Division of Cardiology, Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Tae-Joon Cha
- Division of Cardiology, Department of Internal Medicine, Kosin University Gospel Hospital, Busan, Republic of Korea
| | - Kook Jin Chun
- Division of Cardiology, Department of Internal Medicine, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
| | - Young Dae Kim
- Division of Cardiology, Department of Internal Medicine, Dong-A University Medical Center, Busan, Republic of Korea
| | - Byung Soo Kim
- Division of Cardiology, Department of Internal Medicine, DaeDong Hospital, Busan, Republic of Korea
| | - Doo-Il Kim
- Division of Cardiology, Department of Internal Medicine, Inje University Haeundae Paik Hospital, Busan, Republic of Korea
| | - Tae Ik Kim
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Republic of Korea
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Kim JJ, Kang JH, Goo JJ, Kim KN, Lee JY, Kim MK, Kim TI. Assessment of the Association between Mean Hemoglobin A1c Levels for 5 Years and Coronary Artery Disease by Coronary Angiography in Nondiabetic Patients. Diabetes Metab J 2014; 38:58-63. [PMID: 24627829 PMCID: PMC3950196 DOI: 10.4093/dmj.2014.38.1.58] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Accepted: 07/17/2013] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND The effects of glucose on cardiovascular events or mortality in nondiabetic patients has been recently reported. However, since atherosclerosis can be formed over a long period of time, it is necessary to devote several years to unveil the relationship between the two factors. Here, we attempted to find out the relationship between the mean hemoglobin A1c (HbA1c) level and HbA1c variability for 5 years and coronary artery disease (CAD) by using coronary angiography (CAG) to assess nondiabetic patients. METHODS We reviewed patients who performed CAG who were followed up for at least 5 years after the initial diagnosis. The fasting blood test was performed annually for glucose and HbA1c level. CAD was defined as more than 50% of luminal narrowing. The severity of CAD was divided into two groups depending on whether no vessels were involved or one more vessel were involved (CAD(-) or CAD(+), respectively). RESULTS The patients in CAD(+) group had higher mean HbA1c level for 5 years than CAD(-) group (5.71±0.40 vs. 5.86±0.68; P=0.04). Mean HbA1c was a significant predictor for CAD in multiple regression (odds ratio, 2.224; P=0.028). The percentage of patients with CAD was significantly higher in patients with >6.2% of mean HbA1c levels compared to patients with <6.2% of mean HbA1c levels (P<0.019). CONCLUSION When the mean HbA1c levels were above 6.2%, the risk of CAD was higher. Also this study shows that HbA1c level can be one of the predictors for CAD even if the patients do not have diabetes.
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Affiliation(s)
- Jae-Joon Kim
- Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Ji-Hoon Kang
- Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Ja-Jun Goo
- Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Kyoung-Nyoun Kim
- Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Ja-Young Lee
- Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Mi-kyung Kim
- Department of Internal Medicine, Inje University College of Medicine, Busan, Korea
| | - Tae Ik Kim
- Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
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Lee JY, Moon HJ, Kim TI, Kim HW, Han MY. Quantitative analysis on the urban flood mitigation effect by the extensive green roof system. Environ Pollut 2013; 181:257-261. [PMID: 23892044 DOI: 10.1016/j.envpol.2013.06.039] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Revised: 06/25/2013] [Accepted: 06/27/2013] [Indexed: 06/02/2023]
Abstract
Extensive green-roof systems are expected to have a synergetic effect in mitigating urban runoff, decreasing temperature and supplying water to a building. Mitigation of runoff through rainwater retention requires the effective design of a green-roof catchment. This study identified how to improve building runoff mitigation through quantitative analysis of an extensive green-roof system. Quantitative analysis of green-roof runoff characteristics indicated that the extensive green roof has a high water-retaining capacity response to rainfall of less than 20 mm/h. As the rainfall intensity increased, the water-retaining capacity decreased. The catchment efficiency of an extensive green roof ranged from 0.44 to 0.52, indicating reduced runoff comparing with efficiency of 0.9 for a concrete roof. Therefore, extensive green roofs are an effective storm water best-management practice and the proposed parameters can be applied to an algorithm for rainwater-harvesting tank design.
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Affiliation(s)
- J Y Lee
- KIST (Korea Institute of Science and Technology), Gangneung Institute, Gangnueng 210-340, South Korea.
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Cha JM, Lim KS, Lee SH, Joo YE, Hong SP, Kim TI, Kim HG, Park DI, Kim SE, Yang DH, Shin JE. Clinical outcomes and risk factors of post-polypectomy coagulation syndrome: a multicenter, retrospective, case-control study. Endoscopy 2013; 45:202-7. [PMID: 23381948 DOI: 10.1055/s-0032-1326104] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND STUDY AIMS Post-polypectomy coagulation syndrome (PPCS) is a well known complication of colonoscopic polypectomy. However, no previous studies have reported on the clinical outcomes or risk factors of PPCS. The aim of the current study was to analyze the clinical outcomes and risk factors of PPCS developing after a colonoscopic polypectomy. PATIENTS AND METHODS Data for all patients who underwent colonoscopic polypectomies and required hospitalization in nine university hospitals were analyzed retrospectively. The incidence, clinicopathological characteristics, and clinical outcomes of PPCS cases were examined. Additionally, patients who developed PPCS were compared with controls who were matched by age and sex, in order to assess for possible risk factors. RESULTS The rate of PPCS that required hospitalization after colonoscopic polypectomy was 0.7/1000. All patients with PPCS were treated medically without the need for surgical interventions. The median durations of therapeutic fasting, hospitalization, and antibiotic use were 3 days, 5.5 days, and 7 days, respectively. The rates of major PPCS and mortality were 2.9 % and 0 %, respectively. On multivariate analysis, hypertension (OR = 3.023, 95 %CI 1.034 - 8.832), large lesion size (OR = 2.855, 95 %CI 1.027 - 7.937), and non-polypoid configuration (OR = 3.332, 95 %CI 1.029 - 10.791) were found to be independent risk factors related to the development of PPCS. CONCLUSIONS In this study, the rates of major PPCS and mortality were only 2.9 % and 0 %, respectively. Hypertension, large lesion size, and non-polypoid configuration of the lesion were independently associated with PPCS. Therefore, patients may be reassured by the excellent prognosis of PPCS, while endoscopists should be especially careful when performing colonoscopic polypectomies in patients with hypertension or large and non-polypoid lesions.
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Affiliation(s)
- J M Cha
- Department of Internal Medicine, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul 134-727, Korea
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Lee EJ, Kim YJ, Kim TN, Kim TI, Lee WK, Kim MK, Park JH, Rhee BD. A1c variability can predict coronary artery disease in patients with type 2 diabetes with mean a1c levels greater than 7. Endocrinol Metab (Seoul) 2013; 28:125-32. [PMID: 24396666 PMCID: PMC3811710 DOI: 10.3803/enm.2013.28.2.125] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Accepted: 05/07/2013] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND Recent studies suggested that the association of acute glucose variability and diabetic complications was not consistent, and that A1c variability representing long term glucose fluctuation may be related to coronary atherosclerosis in patients with type 1 diabetes. In this study, we attempt to determine whether or not A1c variability can predict coronary artery disease (CAD) in patients with type 2 diabetes. METHODS We reviewed data of patients with type 2 diabetes who had undergone coronary angiography (CAG) and had been followed up with for 5 years. The intrapersonal standard deviation (SD) of serially-measured A1c levels adjusted by the different number of assessments among patients (adj-A1c-SD) was considered to be a measure of the variability of A1c. RESULTS Among the 269 patients, 121 of them had type 2 diabetes with CAD. In patients with A1c ≥7%, the mean A1c levels and A1c levels at the time of CAG among the three groups were significantly different. The ratio of patients with CAD was the highest in the high adj-A1c-SD group and the lowest in the low adj-A1c-SD group (P=0.017). In multiple regression analysis, adj-A1c-SD was an independent predictor for CAD in subjects with A1c ≥7% (odds ratio, 2.140; P=0.036). CONCLUSION Patients with higher A1c variability for several years showed higher mean A1c levels. A1c variability can be an independent predictor for CAD as seen in angiographs of patients with type 2 diabetes with mean A1c levels over 7%.
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Affiliation(s)
- Eun Ju Lee
- Department of Internal Medicine, Inje University College of Medicine, Busan, Korea
| | - You Jeong Kim
- Department of Internal Medicine, Inje University College of Medicine, Busan, Korea
| | - Tae Nyun Kim
- Department of Internal Medicine, Inje University College of Medicine, Busan, Korea
| | - Tae Ik Kim
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Won Kee Lee
- Division of Biostatistics, Kyungpook National University School of Medicine, Daegu, Korea
| | - Mi-Kyung Kim
- Department of Internal Medicine, Inje University College of Medicine, Busan, Korea
- Paik Inje Memorial Institute for Clinical Medicine Research, Inje University College of Medicine, Busan, Korea
| | - Jeong Hyun Park
- Department of Internal Medicine, Inje University College of Medicine, Busan, Korea
- Paik Inje Memorial Institute for Clinical Medicine Research, Inje University College of Medicine, Busan, Korea
| | - Byoung Doo Rhee
- Department of Internal Medicine, Inje University College of Medicine, Busan, Korea
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Kang JH, Cho KI, Kim SM, Lee JY, Kim JJ, Goo JJ, Kim KN, Jhi JH, Kim DJ, Lee HG, Kim TI. Relationship between Nonalcoholic Fatty Liver Disease and Carotid Artery Atherosclerosis Beyond Metabolic Disorders in Non-Diabetic Patients. J Cardiovasc Ultrasound 2012. [PMID: 23185655 PMCID: PMC3498309 DOI: 10.4250/jcu.2012.20.3.126] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Background The objective of this study was to investigate the association between nonalcoholic fatty liver disease (NAFLD) and carotid artery atherosclerosis beyond metabolic disorders. Methods We studied 320 non-diabetic patients with ultrasonographically diagnosed NAFLD and 313 non-diabetic patients without NAFLD who have less than 40 g alcohol/week drinking history. Carotid atherosclerotic burden was assessed by carotid intima-media thickness (IMT) and plaque. All subjects were divided to the metabolic syndrome (MetS) according to International Diabetes Federation criteria. Results NAFLD patients had a significantly increased mean carotid IMT (0.79 ± 0.18 vs. 0.73 ± 0.13 mm; p < 0.001) than those without the condition. The prevalence of increased IMT, defined as IMT ≥ 1 mm, and carotid plaque were 52.5% and 34.1% in the patients with NAFLD vs. 35.8% and 18.8% in the patients without this condition (p < 0.001). The difference in IMT and prevalence of plaque was also significant even in patients without MetS as well as those with MetS (all p < 0.05). NAFLD-associated adjusted odds ratio for increased IMT was 1.236 [95% confidence interval (CI), 1.023-1.467, p = 0.016] without MetS and 1.178 (95% CI, 1.059-1.311, p = 0.003) with MetS. NAFLD-associated adjusted odds ratio of carotid plaque was 1.583 (95% CI, 1.309-1.857, p = 0.024) without MetS and 1.536 (95% CI, 0.512-4.604, p = 0.444) with MetS. Conclusion NAFLD is significantly associated with carotid atherosclerosis in non-diabetic outpatients even without MetS. Carotid screening for NAFLD might be beneficial for assessment of future atherosclerotic complications.
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Affiliation(s)
- Ji Hoon Kang
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
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Cho KI, Kwon JH, Kim SM, Park TJ, Lee HG, Kim TI. Impact of obstructive sleep apnea on the global myocardial performance beyond obesity. Echocardiography 2012; 29:1071-80. [PMID: 22747987 DOI: 10.1111/j.1540-8175.2012.01762.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
We aimed to assess the impact of obstructive sleep apnea (OSA) on the left ventricular (LV) function independent of obesity using the myocardial performance index (Tei index) and the global longitudinal LV strain (GLS) and its reversibility after surgery. Twenty-five newly diagnosed OSA patients, normal weight (n = 15) and obese (body mass index [BMI] ≥ 25; n = 20) controls without OSA were enrolled and underwent transthoracic echocardiographic evaluation. The OSA and obese groups had a significantly comparable increased BMI and LV chamber dimension, prolonged isovolumic relaxation time, reduced early mitral filling velocity, and increased late mitral filling velocity and Tei index as compared to the normal weight group. However, GLS was significantly reduced only in the OSA group (-16.5 ± 1.9%) as compared to the normal weight group (-20.6 ± 2.0%, P < 0.001) and obese group (-19.1 ± 2.5%, P < 0.001). As a treatment, 13 of 25 patients underwent surgical modification, and the follow-up echocardiogram revealed significantly improved Tei index and GLS as compared to baseline (0.37 ± 0.06 and -18.9 ± 3.3% vs. 0.42 ± 0.04 and -16.3 ± 2.4%, P = 0.006 and 0.031, respectively), which was comparable to the obese controls. A reduction in the apnea-hypopnea index had a significant effect on the improvement in the GLS (r = 0.73, P < 0.001). LV systolic and diastolic function significantly deteriorated in the patients with OSA beyond obesity, and an improvement in the LV function was observed within 6 months after the surgical modification. GLS is considered to be one of the parameters that can be used in the early detection of LV systolic dysfunction in patients with OSA and a normal ejection fraction.
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Affiliation(s)
- Kyoung Im Cho
- Division of Cardiology, Internal Medicine, Maryknoll Medical Center, Busan, Korea
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Lee JH, Cho KI, Kim SM, Lee HG, Kim TI. Arterial stiffness in female patients with fibromyalgia and its relationship to chronic emotional and physical stress. Korean Circ J 2011; 41:596-602. [PMID: 22125559 PMCID: PMC3221902 DOI: 10.4070/kcj.2011.41.10.596] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2011] [Revised: 02/01/2011] [Accepted: 02/07/2011] [Indexed: 10/26/2022] Open
Abstract
BACKGROUND AND OBJECTIVES In patients with fibromyalgia (FM) syndrome, stress and pain may chronically enhance sympathetic activity, altering cardiovascular responses and inducing the arterial wall-stiffening process. We investigated arterial stiffness in FM patients using pulse wave velocity (PWV) and analyzed whether arterial stiffness was affected by the clinical parameters of FM. SUBJECTS AND METHODS This study included 108 female FM patients (51.5±8.9 years) without any known cardiovascular diseases and 76 healthy female controls (50.1±8.9 years). FM patients underwent a manual tender point survey for tender point counts, and completed the visual analogue scale (VAS) of pain and fibromyalgia impact questionnaire (FIQ), which were composed of a physical and feel score. Brachial-ankle pulse-wave velocity (baPWV) was measured with an automated device. The study participants were subdivided into 2 groups based on the sum of the FIQ score (group A: FIQ ≥50, group B: <50). RESULTS Patients with FM had significantly higher baPWV than the controls, and significant increase were noted in baPWV values of group A compared with those of group B. BaPWV showed a significant positive correlation (correlation coefficient=6.83, p=0.022) with severity of disease assessed by FIQ. CONCLUSION The patients with FM showed significantly increased arterial stiffness, suggesting a pathophysiologic link between FM and endothelial dysfunction. This study provides a basis for clarifying the mechanism by which chronic pain syndrome is associated with an increased risk of vascular stiffness.
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Affiliation(s)
- Ji Hyun Lee
- Division of Rheumatology, Maryknoll Medical Center, Busan, Korea
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Chon MG, Suk JH, Oh KH, Kim KI, Kim YJ, Lee HG, Kim SM, Cho KI, Kim MK, Kim TI. Influence of long-term statin use in type 2 diabetic patients on thyroid nodularity in iodine-sufficient area. Exp Clin Endocrinol Diabetes 2011; 119:497-501. [PMID: 21915844 DOI: 10.1055/s-0031-1283123] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Statins have marked beneficial effects on lipid profile, but also have pleiotropic actions. A previous study in an iodine-deficient area suggested that statin use is associated with reduced thyroid volume and nodularity. We performed this study to investigate how long-term statin use in type 2 diabetic patients affects thyroid nodularity in iodine-sufficient area.We recruited euthyroid type 2 diabetic patients, receiving statin therapy continuously for at least 5 years (statin group) and, age and sex matched statin-naive type 2 diabetic patients (control group). Subjects with past history of cancer, thyroid disease or treatment with lithium or amiodarone; family history of thyroid cancer; palpable goiter or thyroid nodule, and/or positive thyroperoxidase antibody were excluded. The prevalence, number, and volume of thyroid nodules, size of thyroid were evaluated in all subjects by high resolution ultrasound.Prevalence of non-palpable thyroid nodules of statin group (n=70) and control group (n=98) were 51 and 53%, respectively. There was no difference of prevalence, number, and volume of non-palpable thyroid nodules and size of thyroid between statin and control group. But, the patients aged between 60 and 65 years from statin group showed lower prevalence of non-palpable thyroid nodules than the patients with same age interval from control group (4 out of 12 patients, 33%, statin group; 19 out of 27 patients, 70%, control group; P=0.04).Long-term statin use in elderly type 2 diabetic patients was associated with lesser prevalence of thyroid nodules in an iodine-sufficient area. Our data might support a possible antiproliferative effect of statins on thyroid in old type 2 diabetic patients. But, the effect was not as strong as that in an iodine-deficient area and further studies with enough numbers of subjects and revised design will be needed.
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Affiliation(s)
- M G Chon
- Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
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11
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Suk JH, Cho KI, Lee SH, Lee HG, Kim SM, Kim TI, Kim MK, Shong YK. Prevalence of echocardiographic criteria for the diagnosis of pulmonary hypertension in patients with Graves' disease: before and after antithyroid treatment. J Endocrinol Invest 2011; 34:e229-34. [PMID: 21399392 DOI: 10.3275/7573] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Right-sided heart failure with clinical manifestation is only occasionally seen in patients with Graves' disease (GD). Recent studies revealed that pulmonary hypertension (PHT) detected by echocardiography was not rare in patients with GD. We performed this study to investigate the prevalence of PHT in patients with GD before and after antithyroid treatment, and to assess potential mechanisms from the relationship with clinical and echocardiographic features. SUBJECTS AND METHODS Serial echocardiographic examinations were performed in 64 patients with newly diagnosed GD before and after antithyroid treatment to measure cardiac factors, such as pulmonary artery systolic pressure (PAPs), cardiac output, total vascular resistance, left ventricular filling pressure and right ventricular (RV) function. PHT was defined as PAPs of at least 35 mmHg. RESULTS The prevalence of PHT in untreated GD patients was 44% (28 out of 64 patients). The presence of systemic hypertension was associated with PHT, especially with pulmonary venous hypertension. GD patients with PHT showed reduced RV function represented by higher RV myocardial performance index without difference of pulmonary vascular resistance, RV wall thickness and peak systolic velocity of free wall side of tricuspid annulus. Follow-up echocardiography was performed in 20 out of 28 GD patients with PHT, and PHT disappeared in all except one patient. CONCLUSION PHT is a frequent and reversible complication in patients with GD. Our study suggests that PHT in GD may not be related to underlying autoimmune process and increased pulmonary blood flow from thyrotoxicosis might contributes to the pathogenesis of PHT related to GD.
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Affiliation(s)
- J H Suk
- Department of Internal Medicine, Maryknoll Medical Center, 4-12, Daecheong-dong, Jung-gu, Busan, Korea
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Lee YS, Kim KS, Lee JB, Ryu JK, Choi JY, Kim BK, Chang SG, Hur SH, Lee BR, Jung BC, Hong GR, Kim BS, Park TH, Kim YD, Kim TI, Kim DS. Effect of valsartan on N-terminal pro-brain natriuretic Peptide in patient with stable chronic heart failure: comparison with enalapril. Korean Circ J 2011; 41:61-7. [PMID: 21430990 PMCID: PMC3053562 DOI: 10.4070/kcj.2011.41.2.61] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2010] [Revised: 06/22/2010] [Accepted: 07/06/2010] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND AND OBJECTIVES The plasma concentration of N-terminal pro-brain natriuretic peptide (NT-pro-BNP) is a st-rong prognostic indicator for patients with heart failure (HF) across all stages of the condition. Several clinical trials have de-monstrated convincingly that neurohormonal modulation on the renin angiotensin system (RAS) decreases plasma NT-pro-BNP level and results in favorable outcomes. But there are still limited comparative data on the neuro-hormonal modulatory effects of two RAS inhibitors: angiotensin converting enzyme inhibitor and angiotensin receptor blocker. SUBJECTS AND METHODS This study was a prospective, multi-center, randomized, open-label, controlled, and non-inferiority study involving 445 patients with left ventricular ejection fraction (LVEF) less than 45%. Patients were assigned to receive either valsartan (target dose of 160 mg bid) or enalapril (target dose of 10 mg bid) for 12 months. We compared plasma NT-pro-BNP, high sensitive C-reactive protein (hs-CRP) level and echocardiographic parameters before and after treatment with valsartan or enalapril. RESULTS The NT-pro-BNP and hs-CRP levels were significantly decreased after 12 months of treatment with valsartan and enalapril. The percentage change was similar between both groups. LVEF improved and left ventricular internal dimensions were decreased in both groups, and there were no significant differences between two groups. CONCLUSION Valsartan is as effective on improving plasma NT-pro-BNP level as enalapril in patients with stable chronic HF.
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Affiliation(s)
- Young Soo Lee
- Department of Cardiology, Catholic University of Daegu, Daegu, Korea
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Kwon HY, Cho KI, Kim SM, Lee HG, Hwang CS, Kim HJ, Kang JH, Kim MJ, Jang KT, Kim TI. A rare case with primary undifferentiated carcinoma of pericardium. J Cardiovasc Ultrasound 2010; 18:104-7. [PMID: 20967159 DOI: 10.4250/jcu.2010.18.3.104] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2010] [Revised: 07/21/2010] [Accepted: 08/17/2010] [Indexed: 11/22/2022] Open
Abstract
A primary pericardial tumor is very rare. A 77-year-old woman was admitted to our hospital with chief complaint of exertional dyspnea due to large amount of pericardial effusion. She was finally diagnosed as pericardial undifferentiated carcinoma without definite histopathologial, immunochemistry feature. Despite palliative radiation therapy, the patient died of multiple organ failure. The prognosis of primary pericardial undifferentiated carcinoma is known to be very poor, especially in old people.
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Affiliation(s)
- Hyuk Yong Kwon
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
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Kim BH, Kim IJ, Cho KI, Kim SM, Lee HG, Kim TI. The Influence of Diabetes on the Relationship between N-terminal Pro-B-type Natriuretic Peptide and Body Mass Index. J Int Med Res 2010; 38:1737-48. [PMID: 21309488 DOI: 10.1177/147323001003800519] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
This study evaluated the influence of diabetes on the relationship between N-terminal pro-B-type natriuretic peptide (NT-proBNP) and body mass index (BMI). Simultaneous NT-proBNP and echocardiographic Doppler examinations were performed in 1117 patients with dyspnoea undergoing cardiac catheterization. Patients were divided into BMI ≥ 25 kg/m2 (obese), 23 − 25 kg/m2 (overweight) and < 23 kg/m2 (non-obese) groups. In the 803 non-diabetic patients, mean plasma NT-proBNP levels in non-obese, overweight and obese patients showed a significant negative correlation with BMI (862.3 ± 228.8 pg/ml, 611.5 ± 149.7 pg/ml, 278.3 ± 172.5 pg/ml, respectively). In the 314 patients with diabetes, there was no correlation between BMI and NT-proBNP. This study demonstrated that obese patients had reduced concentrations of NT-proBNP compared with non-obese patients, despite having higher left ventricular filling pressures. NT-proBNP was not reduced in obese patients with diabetes. These results suggest that factors other than cardiac status impact on NT-proBNP concentration.
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Affiliation(s)
- BH Kim
- Department of Internal Medicine, Pusan National University Hospital, Pusan National University College of Medicine, Busan, Republic of Korea
- Medical Research Institute, Pusan National University, Busan, Republic of Korea
| | - IJ Kim
- Department of Internal Medicine, Pusan National University Hospital, Pusan National University College of Medicine, Busan, Republic of Korea
| | - KI Cho
- Department of Internal Medicine, Maryknoll Medical Centre, Busan, Republic of Korea
| | - SM Kim
- Department of Internal Medicine, Maryknoll Medical Centre, Busan, Republic of Korea
| | - HG Lee
- Department of Internal Medicine, Maryknoll Medical Centre, Busan, Republic of Korea
| | - TI Kim
- Department of Internal Medicine, Maryknoll Medical Centre, Busan, Republic of Korea
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Cho KI, Lee JH, Lee HG, Kim SM, Kim TI. Assessment of myocardial function in patients with fibromyalgia and the relationship to chronic emotional and physical stress. Korean Circ J 2010; 40:74-80. [PMID: 20182592 PMCID: PMC2827806 DOI: 10.4070/kcj.2010.40.2.74] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2009] [Accepted: 06/15/2009] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND AND OBJECTIVES An association between emotional or physical stressful triggers and adverse cardiovascular events, such as death and myocardial infarction, has been recognized for many years. The clinical features of transient left apical ballooning syndrome have been clearly described, but the effect of chronic stress on the myocardium is unknown. Our objective was to assess left ventricular (LV) function in patients with fibromyalgia (FM) with chronic emotional and physical stress. SUBJECTS AND METHODS We investigated 30 consecutive postmenopausal women (mean age, 48+/-8 years) satisfying the criteria for FM with atypical chest pain and 20 age-matched healthy controls by means of standard and 2-dimensional strain (2DS) echocardiography. Patients with hypertension, coronary heart disease, or diabetes were excluded. Global and segmental longitudinal deformation parameters of LV function from 3 apical views were analyzed, and patients underwent a manual tender point survey for the number of tender points and tender point counts, and completed the Fibromyalgia Impact Questionnaire (FIQ), which was comprised of physical and feel scores, the Brief Fatigue Inventory (BFI), and the Beck Depression Inventory (BDI). RESULTS Both global and segmental longitudinal LV strains were significantly reduced in FM patients with high FIQ scores (>50) compared to FM patients with low FIQ scores (-18.98% vs. -22.72%). Various emotional and physical stress indexes were significantly correlated with global LV strain. CONCLUSION Global and segmental LV strains were negatively associated with fatigue, tender point count, and FIQ score. However, there was no significant association between depression and LV strain. This study demonstrated that chronic emotional or physical stress in FM patients might reduce myocardial longitudinal deformation.
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Affiliation(s)
- Kyoung Im Cho
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
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Park SJ, Cho KI, Jung SJ, Choi SW, Choi JW, Lee DW, Lee HG, Kim TI. N-terminal pro-B-type natriuretic Peptide in overweight and obese patients with and without diabetes: an analysis based on body mass index and left ventricular geometry. Korean Circ J 2009; 39:538-44. [PMID: 20049140 PMCID: PMC2801462 DOI: 10.4070/kcj.2009.39.12.538] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2009] [Revised: 06/26/2009] [Accepted: 07/09/2009] [Indexed: 01/19/2023] Open
Abstract
Background and Objectives Several recent studies have shown that there is an inverse relationship between plasma B-type natriuretic peptide (BNP) and body mass index (BMI) in subjects with and without heart failure. Obesity frequently coexists with diabetes, so it is important to consider the relationship between diabetes and natriuretic peptide levels. We evaluated the influence of diabetes on the correlation of BNP and BMI. Subjects and Methods We examined 933 patients with chest pain and/or dyspnea undergoing cardiac catheterization between Feb. 2006 and Nov. 2007 in the Maryknoll cardiac center who had creatinine levels <2.0 mg/dL and normal systolic heart function. BMI was checked, transthoracic echocardiography was performed, and aminoterminal pro-brain natriuretic peptide (NT-proBNP) was sampled at the start of each case. Results In 733 non-diabetic patients, mean plasma NT-proBNP levels of non obese individuals (BMI <23 kg/m2), overweight individuals (23≤ BMI <25 kg/m2), and obese individuals (BMI ≥25 kg/m2) showed a significant negative correlation with increasing BMI (856.39±237.3 pg/mL, 601.69±159.6 pg/mL, 289.62±164.9 pg/mL, respectively, p<0.0001). However, in 200 diabetic patients, the correlation between BMI and NT-proBNP was not significant (r=-0.21, p=0.19), and NT-proBNP did not correlate with mitral E/Ea in obese diabetic patients (r=0.14, p=0.56). NT-proBNP was significantly correlated with mitral E/Ea in the non-obese (r=0.24, p=0.008) and non diabetic (r=0.32, p=0.003) groups. Left ventricular (LV) mass index was significantly correlated with NT-proBNP in all BMI groups (r=0.61, p<0.001), and patients with concentric cardiac hypertrophy showed the highest NT-proBNP levels. Conclusion The present study demonstrates that obese patients have reduced concentrations of NT-proBNP compared to non obese patients despite having higher LV filling pressures. However, NT-proBNP is not suppressed in obese patients with diabetes. This suggests that factors other than cardiac status affect NT-proBNP concentrations.
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Affiliation(s)
- Seung Jei Park
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
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Abstract
BACKGROUND AND STUDY AIMS Intestinal Behçet's disease and Crohn's disease are chronic inflammatory bowel diseases that are difficult to distinguish from each other. We investigated their colonoscopic features and identified simple and valuable strategies for differential diagnosis. PATIENTS AND METHODS Between 1995 and 2006, 250 consecutive patients with ulcers on colonoscopy (115 Behçet's, 135 Crohn's cases) were reviewed. All patients with Behçet's fulfilled the criteria of the International Study Group for Behçet's Disease or of the Behçet's Disease Research Committee of Japan, while Crohn's disease was confirmed by clinicopathological data. Patients were randomly allocated to a training set (70 %) or a validation set (30 %). Ulcer shapes, distributions, numbers, margins, and border contours, and the presence of aphthous, cobblestone, perianal, and strictured lesions were compared, in the training set. Univariate and multivariate analysis were performed, using the X2-test and logistic regression. In addition, a classification and regression tree (CART) was then used to generate simplified algorithms for differential diagnosis. RESULTS Round shape, five or fewer in number, focal distributions, and absence of aphthous and cobblestone lesions were significantly dominant features in Behçet's disease, according to multivariate analysis of the training set. The CART-generated algorithms proposed sequential use of shape (round, irregular/geographic, or longitudinal) and distribution (focal single/focal multiple, or segmental/diffuse). Diagnosis of Behçet's disease in the validation set produced sensitivity, specificity, and negative and positive predictive values of 94.3 %, 90.0 %, 94.7 %, and 89.2 %, respectively. Using the CART model, we made the correct diagnosis of intestinal Behçet's disease or Crohn's disease in 69 of 75 patients (92 %). CONCLUSION It was determined that round and longitudinal ulcers are suggestive of Behçet's disease and Crohn's disease, respectively. Irregular/geographic-shaped ulcers and focal distributions are suggestive of Behçet's disease, while segmental/diffuse lesions suggest Crohn's.
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Affiliation(s)
- S K Lee
- Department of Internal Medicine, Yonsei Institute of Gastroenterology, Yonsei University College of Medicine, Seodaemun-Gu, Seoul, Korea
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Lee HG, Lee DW, Cho KI, Kim KU, Kim TI. THE USEFULNESS OF B-TYPE NATRIURETIC PEPTIDE IN THE EARLY DIAGNOSIS OF RIGHT VENTRICULAR INFARCTION. Chest 2008. [DOI: 10.1378/chest.134.4_meetingabstracts.p85003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Lee HG, Lee DW, Cho KI, Kim KU, Kim TI. IMPACT OF DRUG-ELUTING STENTS ON THE OUTCOME OF PATIENTS WITH DIFFUSE CORONARY LESION. Chest 2008. [DOI: 10.1378/chest.134.4_meetingabstracts.p4004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Nam MH, Kim TI, Gleason ML, Song JY, Kim HG. First Report of Anthracnose Fruit Rot Caused by Colletotrichum acutatum on Strawberry in Korea. Plant Dis 2008; 92:1247. [PMID: 30769476 DOI: 10.1094/pdis-92-8-1247c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Symptoms typical of anthracnose fruit rot; sunken, dark brown lesions on maturing fruits, were found in a commercial field of strawberry (Fragaria × ananassa) cv. Cal Giant in Yangyang County, Korea in May 2007. Masses of conidia were produced in acervuli in the center of lesions. The fungus was isolated on potato dextrose agar (PDA). Colonies grown on PDA were pale to mouse gray and became dark green to black in reverse. Conidia were formed in orange-to-salmon pink masses in the center of the culture. The average size of conidia on PDA was 15.2 × 4.6 μm, and they were hyaline, straight, cylindrical, with pointed ends, and aseptate (1). The fungus did not form an ascigerous stage in culture. Mycelial growth rate was 7.5 mm per day at 25°C on PDA. The identity of two isolates was confirmed as Colletotrichum acutatum J.H. Simmonds by PCR amplification using species-specific primers TBCA and TB5 (2), resulting in a characteristic 330-bp band on agarose gel. Morphological characters were in accordance with previous reports on C. acutatum. A pathogenicity test was conducted with five healthy plants of cvs. Cal Giant, Maehyang, Seolhyang, Kumhyang, Akihime, and Redpearl. After fruits and flowers were sprayed with a conidia suspension (105 conidia per ml), the plants were maintained at 10 to 25°C and 100% relative humidity in a greenhouse. As a control, five healthy plants were sprayed with sterile distilled water and incubated under the same conditions. Dark brown, water-soaked spots appeared on mature fruits of all cultivars after 5 days, and lesions on green fruits appeared on individual achenes. Flowers developed dark lesions, dried out, and died. No symptoms were found on the control plants. After the pathogen was reisolated from fruits and flowers lesions, the morphological characters developed in culture as described above. To our knowledge, this is the first report of C. acutatum causing strawberry anthracnose in Korea. References: (1) B. J. Smith and L. L. Black. Plant Dis. 74:69, 1990. (2) P. Talhinhas et al. Appl. Environ. Microbiol. 71:2987, 2005.
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Affiliation(s)
- M H Nam
- Nonsan Strawberry Experiment Station, Chungnam ARES, Nonsan 320-862, Korea
| | - T I Kim
- Nonsan Strawberry Experiment Station, Chungnam ARES, Nonsan 320-862, Korea
| | - M L Gleason
- Department of Plant Pathology, Iowa State University, Ames 50011
| | - J Y Song
- Department of Applied Biology, Chungnam National University, Daejeon 305-764, Korea
| | - H G Kim
- Department of Applied Biology, Chungnam National University, Daejeon 305-764, Korea
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Moon JY, Hur JE, Ak SJ, Park KM, Kim HJ, Lee DW, Lee HG, Cho KI, Kim TI. The Limitation in Measurement of Carotid Intima Media Thickness in Type 2 Diabetics with or without Coronary Artery Disease. J Cardiovasc Ultrasound 2008. [DOI: 10.4250/jcu.2008.16.4.116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Jung Yun Moon
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Jung Eun Hur
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Seol Jung Ak
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Keun Mo Park
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Hyun Jung Kim
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Dong Won Lee
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Hyeon Gook Lee
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Kyoung Im Cho
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Tae Ik Kim
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
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Cho KI, Lee SH, Jang SH, Lee DW, Lee HG, Kim TI. Assessment of Left Atrial Function and Remodeling in Patients With Atrial Fibrillation by Performing Strain Echocardiography: A Prospective Study to Assess the Influence of Renin-Angiotensin System Inhibitors on Atrial Fibrillation. Korean Circ J 2008. [DOI: 10.4070/kcj.2008.38.6.305] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Kyoung Im Cho
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Sang Hee Lee
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Sun Hee Jang
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Dong Won Lee
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Hyeon Gook Lee
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Tae Ik Kim
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
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Lee HG, Chun KJ, Cho KI, Lee DW, Oh JH, Ahn BJ, Kim SH, Lee JS, Kim MY, Bae WH, Ko WS, Jeong JH, Kim TI, Lee HC, Kim J, Kim JH, Hong TJ, Shin YW. Impact of Drug-Eluting Stents on Clinical Outcomes in Patients With Diffuse Coronary Lesions. Korean Circ J 2008. [DOI: 10.4070/kcj.2008.38.11.612] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Hyeon Gook Lee
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Kook Jin Chun
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Pusan National University, Busan, Korea
| | - Kyoung Im Cho
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Dong Won Lee
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Jun Hyuk Oh
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Pusan National University, Busan, Korea
| | - Byung Jae Ahn
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Pusan National University, Busan, Korea
| | - Seong Ho Kim
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Pusan National University, Busan, Korea
| | - Joon Sang Lee
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Pusan National University, Busan, Korea
| | - Moo Young Kim
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Pusan National University, Busan, Korea
| | - Woo Hyung Bae
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Pusan National University, Busan, Korea
| | - Woo Seog Ko
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Pusan National University, Busan, Korea
| | - Joon Hoon Jeong
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Pusan National University, Busan, Korea
| | - Tae Ik Kim
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Han Cheol Lee
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Pusan National University, Busan, Korea
| | - Jun Kim
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Pusan National University, Busan, Korea
| | - June Hong Kim
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Pusan National University, Busan, Korea
| | - Taek Jong Hong
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Pusan National University, Busan, Korea
| | - Yung Woo Shin
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Pusan National University, Busan, Korea
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Choi SW, Cho KI, Lee HG, Choi JW, Park SJ, Kim HJ, Her JE, Kim TI. Diagnostic Value of Ultrasound-Based Strain Imaging in Patients With Suspected Coronary Artery Disease. Korean Circ J 2008. [DOI: 10.4070/kcj.2008.38.8.398] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Sung Won Choi
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Kyoung Im Cho
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Hyeon Gook Lee
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Jae Won Choi
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Seung Je Park
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Hyun Jung Kim
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Jung Eun Her
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Tae Ik Kim
- Division of Cardiology, Maryknoll Medical Center, Busan, Korea
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Kim BC, Park S, Han J, Kim JH, Kim TI, Kim WH. Clinical significance of anti-Saccharomyces cerevisiae antibody (ASCA) in Korean patients with Crohn's disease and its relationship to the disease clinical course. Dig Liver Dis 2007; 39:610-6. [PMID: 17531556 DOI: 10.1016/j.dld.2007.03.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2006] [Revised: 02/24/2007] [Accepted: 03/27/2007] [Indexed: 12/11/2022]
Abstract
BACKGROUNDS/AIMS The implications of anti-Saccharomyces cerevisiae antibody for the diagnosis and the clinical course of Crohn's disease have been reported in Western countries, but rarely in Korea with its very different environmental and genetic backgrounds. We aimed to evaluate whether anti-S. cerevisiae antibody expression is associated with diagnostic findings, stratified Vienna classification phenotypes, disease activity and clinical course in Korean patients with Crohn's disease. MATERIALS/METHODS One hundred and fifteen patients with Crohn's disease, diagnosed and treated between 1990 and 2004 at Severance Hospital, Yonsei University and followed for at least 2 years, were included in this study. Anti-S. cerevisiae antibody was detected by an indirect immunofluorescence assay using EUROIMMUN kits. Information collected during treatment included demography, Vienna classification phenotype, clinical manifestation, laboratory tests, treatment modality and surgery rate. Disease activity was measured monthly using the Harvey-Bradshaw index. RESULTS The anti-S. cerevisiae antibody prevalence was 38.3% in Crohn's disease patients. There was no difference in anti-S. cerevisiae antibody expression between genders. The mean age at diagnosis was younger for the anti-S. cerevisiae antibody positive group than the negative group (25.3 years versus 29.7 years, p<0.05). Clinical manifestations and laboratory tests at diagnosis did not differ between the groups. The anti-S. cerevisiae antibody positive group had increased fibrostenosis (B2) and penetration (B3) compared to negative group, as determined by the Vienna classification (75.0% versus 53.5%, p<0.05). Anti-S. cerevisiae antibody positive patients were admitted to the hospital more frequently than anti-S. cerevisiae antibody negative patients (p<0.05). The yearly cumulative Harvey-Bradshaw index score was higher in the anti-S. cerevisiae antibody positive group than in the negative group during the follow-up period (p<0.05). In addition, steroid (72.7% versus 52.1%, p<0.05) and immunosuppressive (45.5% versus 23.9%, p<0.05) treatments were more frequently given to the anti-S. cerevisiae antibody positive group. CONCLUSIONS Our data demonstrate that anti-S. cerevisiae antibody positive Crohn's disease patients had a more severe clinical course and thus often required more aggressive medical treatment.
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Affiliation(s)
- B C Kim
- Department of Internal Medicine, Institute of Gastroenterology, Yonsei University College of Medicine, 134 Shinchon-dong Seodaemun-gu, Seoul 120-752, South Korea
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Kim S, Moon JY, Huh JE, Ahn JM, Lee HG, Cho KI, Kim TI. Effects of Closure of the Arteriovenous Fistula on Left Ventricular Mass and Function in Kidney Transplantation Patients. J Cardiovasc Ultrasound 2007. [DOI: 10.4250/jcu.2007.15.1.8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- San Kim
- Department of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Jung Yun Moon
- Department of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Jung Eun Huh
- Department of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Jeoung Myung Ahn
- Department of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Hyeon Gook Lee
- Department of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Kyoung Im Cho
- Department of Cardiology, Maryknoll Medical Center, Busan, Korea
| | - Tae Ik Kim
- Department of Cardiology, Maryknoll Medical Center, Busan, Korea
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Ahn JM, Jang HJ, Ak SJ, Huh JE, Moon JY, Lee HG, Cho KI, Kim TI. A Case of Multiple Myeloma with Pulmonary Thromboembolism Diagnosed by Transthoracic Echocardiography. J Cardiovasc Ultrasound 2007. [DOI: 10.4250/jcu.2007.15.2.59] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Jeong Myung Ahn
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Hye Jung Jang
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Seoul Jung Ak
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Jung Eun Huh
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Jung Yun Moon
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Hyeon Gook Lee
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Kyoung Im Cho
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
| | - Tae Ik Kim
- Division of Cardiology, Department of Internal Medicine, Maryknoll Medical Center, Busan, Korea
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Park DI, Kim YH, Kim HS, Kim WH, Kim TI, Kim HJ, Yang SK, Byeon JS, Lee MS, Jung IK, Chung MK, Jung SA, Jeen YT, Choi JH, Choi H, Han DS, Song JS. Diagnostic yield of advanced colorectal neoplasia at colonoscopy, according to indications: an investigation from the Korean Association for the Study of Intestinal Diseases (KASID). Endoscopy 2006; 38:449-55. [PMID: 16767578 DOI: 10.1055/s-2006-925227] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
BACKGROUND AND STUDY AIMS The factors that more accurately predict the detection of colorectal cancers and adenomas at colonoscopy are different. We conducted a prospective multicenter study to evaluate which indications were most closely associated with advanced colorectal neoplasm (CRN), including colorectal cancer, in a group of patients undergoing colonoscopy. PATIENTS AND METHODS The 17 468 patients were enrolled in this study between July 2003 and March 2004, from 11 tertiary medical centers in Korea. They were recruited according to 11 itemized colonoscopic indications. The term "advanced adenoma" refers here to tubular adenomas of diameter of 11 mm or more, or to tubulovillous, villous, or severely dysplastic adenomas, irrespective of their size. Cancer was defined as the invasion of malignant cells beyond the muscularis mucosa. Advanced CRN was defined as advanced adenoma or invasive cancer. RESULTS Advanced CRN was found in 1227/17 307 patients (1176 advanced adenomas plus 51 carcinomas, 7.1 %). According to univariate and multivariate analysis, the factors associated with advanced CRN included age >60 years (odds ratio (OR) 2.1, 95 % confidence interval (CI) 1.8 - 2.4, P < 0.0001), male gender (OR 2.1, 95 %CI 1.7 - 2.7, P < 0.0001), referral for colonoscopy from primary care physician (OR 3.1, 95 %CI 2.5 - 3.7, P < 0.0001), and several other indications (OR 1.8, 95 %CI 1.5 - 2.3, P < 0.001). The yield of colonoscopy for advanced CRN was lower (2.2 %) than expected in patients with iron-deficiency anemia (OR 0.5, 95 %CI 0.2 - 0.9, P = 0.03). CONCLUSIONS Age, gender, and referral for colonoscopy from primary care physician constituted important independent predictors of advanced CRN in patients undergoing colonoscopy.
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Affiliation(s)
- D I Park
- Kangbuk Samsung Hospital, Sungkyunkwan [corrected] University School of Medicine, Seoul, South Korea
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Cho KI, Park JH, Lee CK, Kim SH, Ahan JM, Kim S, Kim TI. Isolated and Combined Influences of Diabetes and Hypertension on the Myocardial Function and Geometry. Korean Circ J 2006. [DOI: 10.4070/kcj.2006.36.6.411] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Kyoung Im Cho
- Division of Cardiology, Department of Internal Medicine, Maryknoll General Hospital, Busan, Korea
| | - Jeong Ho Park
- Division of Cardiology, Department of Internal Medicine, Maryknoll General Hospital, Busan, Korea
| | - Chun Kwan Lee
- Division of Cardiology, Department of Internal Medicine, Maryknoll General Hospital, Busan, Korea
| | - Suk Hun Kim
- Division of Cardiology, Department of Internal Medicine, Maryknoll General Hospital, Busan, Korea
| | - Jeong Myung Ahan
- Division of Cardiology, Department of Internal Medicine, Maryknoll General Hospital, Busan, Korea
| | - San Kim
- Division of Cardiology, Department of Internal Medicine, Maryknoll General Hospital, Busan, Korea
| | - Tae Ik Kim
- Division of Cardiology, Department of Internal Medicine, Maryknoll General Hospital, Busan, Korea
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Cho KI, Lee HG, Ak SJ, Huh JE, Kim HJ, Moon JY, Park KM, Kim TI. Quantitative Assessment of Left Atrial Functional Changes in Patients with Atrial Fibrillation by Tissue Doppler Strain and 2-Dimensional Strain Imaging. Korean Circ J 2006. [DOI: 10.4070/kcj.2006.36.12.786] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Kyoung Im Cho
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Hyeon Gook Lee
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Seul Jung Ak
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Jung Eun Huh
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Hyun Jung Kim
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Jung Youn Moon
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Keun Mo Park
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Tae Ik Kim
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
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Cho KI, Park JH, Park JR, Kim S, Ahn JM, Lee JH, Jang HJ, Kim TI. Assessment of Left Ventricular Function in Symptomatic Patients with Myocardial Bridge using Two-Dimensional Strain. Korean Circ J 2006. [DOI: 10.4070/kcj.2006.36.9.617] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Kyoung Im Cho
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Jeong Ho Park
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Jong Ryul Park
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - San Kim
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Jeong Myung Ahn
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Jin Ho Lee
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Hye Jung Jang
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Tae Ik Kim
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
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Kim YH, Lee JH, Yang SK, Kim TI, Kim JS, Kim HJ, Kim JI, Kim SW, Kim JO, Jung IK, Jung SA, Jung MK, Kim HS, Myung SJ, Kim WH, Rhee JC, Choi KY, Song IS, Hyun JH, Min YI. Primary colon lymphoma in Korea: a KASID (Korean Association for the Study of Intestinal Diseases) Study. Dig Dis Sci 2005; 50:2243-7. [PMID: 16416168 DOI: 10.1007/s10620-005-3041-7] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2005] [Accepted: 03/22/2005] [Indexed: 12/16/2022]
Abstract
Although almost all primary colorectal lymphomas are of B-cell lineage in Western countries, primary colorectal T-cell lymphomas are not uncommon in the East. The aim of this study was to review the clinical characteristics and treatment outcomes of primary colorectal lymphomas, with special emphasis on the differences between T-cell and B-cell lymphomas. Ninety-five cases of primary colorectal lymphomas that satisfied Dawson's criteria were identified from the clinical databases of 13 university hospitals in Korea. The mean age at the time of presentation was 51.1 years and the male:female ratio was 64:31. The clinical information, including endoscopic and histological characteristics, was retrospectively analyzed. Of the primary colorectal lymphomas, 78 cases (82.1%) were of B-lineage and 17 cases (17.9%) were of T-cell lineage. Patients with T-cell lymphomas presented at a younger age than patients with B-cell lymphomas (42.8 vs 52.9 years, respectively; P = 0.016). The most common presenting symptom was abdominal pain (87.1%) for B-cell lymphomas, whereas hematochezia or night fever was more common for T-cell lymphomas (52.9% and 35.3%, respectively). The most common endoscopic type was fungating mass (54.0%) for B-cell lymphomas and ulcerative/ulcero-infiltrative lesions (80.0%) for T-cell lymphomas. Intussusception was more common in B-cell lymphomas than in T-cell lymphomas (30.8% vs 5.9%, respectively; P = 0.035), but perforation was more common in T-cell lymphomas than in B-cell lymphomas (23.5% vs 3.8%, respectively; P = 0.005). The prognosis was significantly worse for T-cell lymphomas than for B-cell lymphomas (P = 0.002). Primary colorectal T-cell lymphomas are characterized by multifocal ulcerative lesions in relatively young patients, a high rate of hematochezia, fever, or perforation, and a poor prognosis even for cases of localized disease.
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Affiliation(s)
- Y-H Kim
- Sungkyunkwan University, Korea
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Cho KI, Kim DS, Kim TI, Park JH, Kim SM, Kim DK, Kim DI, Joo YD. Echocardiographic Assessment of LV Geometric Pattern and Function in Pregnancy-Induced Hypertension. Korean Circ J 2005. [DOI: 10.4070/kcj.2005.35.10.718] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Kyoung Im Cho
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Dong Soo Kim
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Tae Ik Kim
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Jeong Ho Park
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Sung Man Kim
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Dae Kyeong Kim
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Doo Il Kim
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
| | - Young Don Joo
- Division of Cardiology, Maryknoll General Hospital, Busan, Korea
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Sohn JH, Smith R, Yoong E, Hudson N, Kim TI. Evaluation of a novel wind tunnel for the measurement of the kinetics of odour emissions from piggery effluent. Water Sci Technol 2004; 50:49-55. [PMID: 15484742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
A novel laboratory wind tunnel, with the capability to control factors such as air flow-rate, was developed to measure the kinetics of odour emissions from liquid effluent. The tunnel allows the emission of odours and other volatiles under an atmospheric transport system similar to ambient conditions. Sensors for wind speed, temperature and humidity were installed and calibrated. To calibrate the wind tunnel, trials were performed to determine the gas recovery efficiency under different air flow-rates (ranging from 0.001 to 0.028m3/s) and gas supply rates (ranging from 2.5 to 10.0 L/min) using a standard CO gas mixture. The results have shown gas recovery efficiencies ranging from 61.7 to 106.8%, while the average result from the trials was 81.14%. From statistical analysis, it was observed that the highest, most reliable gas recovery efficiency of the tunnel was 88.9%. The values of air flow-rate and gas supply rate corresponding to the highest gas recovery efficiency were 0.028 m3/s and 10.0 L/min respectively. This study suggested that the wind tunnel would provide precise estimates of odour emission rate. However, the wind tunnel needs to be calibrated to compensate for errors caused by different air flow-rates.
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Affiliation(s)
- J H Sohn
- Intensive Livestock Systems Unit, Queensland Department of Primary Industries and Fisheries, PO Box 102, 203 Tor street, Toowoomba, Queensland, Australia.
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Abstract
Helicobacter pylori is a gram-negative bacterium that was first isolated in 1982. Since then, H. pylori infection in humans has been shown to be associated with gastritis, peptic ulcer disease, gastric carcinoma, and mucosa-associated lymphoid tissue (MALT) lymphoma as well. The epidemiology, transmission, and pathogenicity of H. pylori has been a subject of intensive study. Successful treatment improves the cure rate of peptic ulcerations and treatment with antimicrobials also decreases the recurrence rate of these diseases. Better regimens having less toxicity and a good eradication rate have also been developed. A better understanding of the pathophysiologic mechanisms relating to H. pylori induced mucosal damages would result in more options for the prevention of peptic ulcers and carcinogenesis. Korea has a relatively high incidence of H. pylori infection and gastric cancer. Growing interest has developed in view of its importance in being associated with various gastroduodenal diseases. Furthermore, along with a high incidence of H. pylori-related disease in Korea, because the interaction between H. pylori, host factors and environmental factors is important in disease pathogenesis, we need to have precise data on the characteristics of H. pylori-related diseases that occur in Korea. In the present report we review the epidemiology, transmission route, diagnosis, pathogenesis, treatment methods and relationship with gastroduodenal diseases with in special references to basic and clinical data that have been published.
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Affiliation(s)
- I S Park
- Department of Internal Medicine, Yonsei University College of Medicine, C.P.O. Box 8044, Seoul 120-752, Korea.
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Kim TI, Lee YC, Lee KH, Han JH, Chon CY, Moon YM, Kang JK, Park IS. Effects of nonsteroidal anti-inflammatory drugs on Helicobacter pylori-infected gastric mucosae of mice: apoptosis, cell proliferation, and inflammatory activity. Infect Immun 2001; 69:5056-63. [PMID: 11447186 PMCID: PMC98600 DOI: 10.1128/iai.69.8.5056-5063.2001] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2001] [Accepted: 04/29/2001] [Indexed: 01/04/2023] Open
Abstract
Helicobacter pylori and nonsteroidal anti-inflammatory drugs (NSAIDs) are two well-known important causative factors of gastric damage. While H. pylori increases apoptosis and the proliferation of gastric epithelial cells and is an important factor in peptic ulcer and gastric cancer, NSAIDs induce cell apoptosis and have antineoplastic effects. We investigated the effects of NSAIDs (a nonselective cyclooxygenase [COX] inhibitor [indomethacin] and a selective COX-2 inhibitor [NS-398]) on the apoptosis and proliferation of gastric epithelial cells and gastric inflammation in H. pylori-infected mice. C57BL/6 mice were sacrificed 8 weeks after H. pylori SS1 inoculation. Indomethacin (2 mg/kg) or NS-398 (10 mg/kg) was administered subcutaneously once daily for 10 days before sacrifice. The following were assessed: gastric inflammatory activity, gastric COX protein expression by Western blotting; gastric prostaglandin E(2) levels by enzyme immunoassay, apoptosis by terminal deoxynucleotidyltransferase-mediated dUTP nick end labeling, and cell proliferation by Ki67 immunostaining. Compared to the controls, H. pylori infection and/or NSAID treatment increased COX-1 and COX-2 protein expression. Gastric prostaglandin E(2) levels, apoptotic index, cell proliferation index, neutrophil activity, and the degree of chronic inflammation were all increased by H. pylori infection, and these effects were significantly decreased by indomethacin treatment. However, NS-398 treatment after H. pylori infection did not induce a significant reduction, although it did result in a tendency to decrease. These results show that NSAIDs can reverse the increased apoptosis and proliferation of epithelial cells and inflammatory activity in the stomachs of H. pylori-infected mice and that, like COX-2 activation, COX-1 induction contributes to the change of gastric mucosal cell turnover and inflammation induced by H. pylori infection.
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Affiliation(s)
- T I Kim
- Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea.
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Kim TI, Jin SH, Kim WH, Kang EH, Choi KY, Kim HJ, Shin SK, Kang JK. Prolonged activation of mitogen-activated protein kinases during NSAID-induced apoptosis in HT-29 colon cancer cells. Int J Colorectal Dis 2001; 16:167-73. [PMID: 11459290 DOI: 10.1007/s003840100301] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The mechanisms of the antineoplastic effect of nonsteroidal anti-inflammatory drugs (NSAIDs) still are unknown, but the induction of apoptosis is one of the possible mechanisms. We attempted to demonstrate the role of mitogen-activated protein (MAP) kinases, generally considered to be important mediators of proliferative and apoptotic signals, in NSAID-induced colon cancer cell apoptosis. Apoptosis was detected by demonstration of DNA fragmentation in agarose gel electrophoresis. Cell death was assessed by trypan blue dye exclusion method. MAP kinase activation was assessed by Western blot using phosphospecific antibodies to MAP kinases. Kinase assay using activating transcription factor-2 (ATF-2) fusion protein as a substrate was also performed for measuring p38 MAP kinase activity. For the inhibition of p38 MAP kinase, pyridinylimidazole compound (SB203580) was utilized. Caspase-3 activity was measured using the tetrapeptide fluorogenic substrate Ac-DEVD-AMC. Treatment of HT-29 cells with NSAIDs results in time- and dose-dependent induction of apoptosis, accompanied by sustained activation of all three MAP kinase subfamilies. The SB203580, a p38 MAP kinase inhibitor, reduced indomethacin-induced cell death by 43%, while PD098059, a MAPK/ERK kinase (MEK)1 inhibitor, did not affect cell death. p38 MAP kinase and caspase-3 activation were not significantly interlinked in indomethacin-induced apoptosis. From these results, we conclude that NSAIDs can induce prolonged activation of MAP kinases in colon cancer cells and that, of these, p38 MAP kinase may play a partial but significant role in indomethacin-induced apoptosis.
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Affiliation(s)
- T I Kim
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.
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Abstract
Nephrotoxicity is a major limiting factor in the use of aminoglycoside antibiotics, the mechanisms for which are still speculative. To clarify the mechanisms of renal tubular cell death induced by aminoglycosides, we examined the renal proximal tubule-like cell line, LLC-PK1, after inducing apoptosis through a chronic treatment with gentamicin (GM). Changes in the expression of the Fas were also investigated. On flow cytometric analysis, 5.7 +/- 3.3% of the control cells appeared in a region of decreased forward light scatter and increased side light scatter, where both indices represent the characteristics of apoptotic cell death. Compared to the control, treatment with 10 mM of GM for 15 days significantly increased the proportion of cells in the apoptotic region to 23.9 +/- 8.5%. This finding was supported by electrophoretic analysis of the DNA extracted from the GM-treated cells, where a series of bands corresponding to integer multiples of 180 to 200 base pairs was visualized. However, the 15-day GM treatment did not cause a significant elevation in the expression of the 45 kD Fas protein, the cell surface molecule that stimulates apoptosis, by Western blot analysis. In conclusion, long-term exposure to GM induces apoptosis of the renal tubular epithelial cells, and this process may contribute to some of the aminoglycoside nephrotoxicities. Further studies are needed on the mechanism(s) of apoptosis induced by GM.
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Affiliation(s)
- K H Choi
- Department of Internal Medicine, Institute of Kidney Disease, Yonsei University College of Medicine, Seoul, Korea
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Kim TI, Chae SC, Yang DH, Shin SC, Bae HS, Kwak DH, Hwang JH, Cho YG, Jun JE, Park WH. Short-term prognostic value of CRP in the patients with acute coronary syndrome. Korean Circ J 2000. [DOI: 10.4070/kcj.2000.30.11.1387] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Tae Ik Kim
- Department of Anesthesiology, Seoul University Hospital, Seoul, Korea
| | - Shung Chull Chae
- Department of Anesthesiology, Seoul University Hospital, Seoul, Korea
| | - Dong Hun Yang
- Department of Anesthesiology, Seoul University Hospital, Seoul, Korea
| | - Seong Chull Shin
- Department of Anesthesiology, Seoul University Hospital, Seoul, Korea
| | - Ho Sang Bae
- Department of Anesthesiology, Seoul University Hospital, Seoul, Korea
| | - Dong Hun Kwak
- Department of Anesthesiology, Seoul University Hospital, Seoul, Korea
| | - Jong Hyun Hwang
- Department of Anesthesiology, Seoul University Hospital, Seoul, Korea
| | - Yong Geun Cho
- Department of Anesthesiology, Seoul University Hospital, Seoul, Korea
| | - Jae Eun Jun
- Department of Anesthesiology, Seoul University Hospital, Seoul, Korea
| | - Wee Hyun Park
- Department of Anesthesiology, Seoul University Hospital, Seoul, Korea
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Kim TI, Han JH, Lee IS, Lee KH, Shin MC, Choi BB. New titanium alloys for biomaterials: a study of mechanical and corrosion properties and cytotoxicity. Biomed Mater Eng 1997; 7:253-63. [PMID: 9408577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Three new titanium alloys with Zr, Nb, Ta, Pd and In as alloying elements were developed and compared with currently used implant metals, namely, pure Ti and Ti-6Al-4V alloy, in terms of mechanical and corrosion properties, and cytotoxicity. New alloys showed comparable mechanical properties with that of the Ti-6Al-4V alloy, but increased corrosion potential, somewhat decreased breakdown potential and increased corrosion rate. There were no significant differences in cell growth on the surface of the various metal specimens, indicating that the cells cannot differentiate between the passivated surfaces of the various Ti metals.
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Affiliation(s)
- T I Kim
- Department of Prosthodontics, School of Dentistry, Kyung Hee University, Seoul, Korea
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Abstract
BACKGROUND Despite the many advantages of endoscopic laser dacryocystorhinostomy, clinical data have been sparse, and the effectiveness of this procedure has not been fully evaluated. METHODS Among 127 patients (131 procedures) who underwent endoscopic laser lacrimal surgery, 92 procedures with longer than 3 months of follow-up were evaluated. The authors used endoscopic sinus surgery equipment, radiosurgical instruments, otodrill, microrongeur, holmium:YAG and contact neodymium:YAG lasers. RESULTS After the primary operation, 71 (77.2%) of 92 cases were symptom-free and had positive results on primary Jones dye test. With simple revision of failed cases, 88 (95.7%) of 92 cases were treated successfully. CONCLUSION Improvement of surgical technique and use of adequate surgical instruments were essential in increasing the rate of success. Endoscopic laser surgery is useful in treating patients with lacrimal passage obstruction, but a longer period of observation is necessary to confirm its effectiveness.
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Kim YK, Kim TI, Jung DK, Jung JS, Lee SH. Inhibition of H+/organic cation antiport by carboxyl reagents in rabbit renal brush-border membrane vesicles. J Pharmacol Exp Ther 1993; 266:500-5. [PMID: 8394906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
The inactivation of the renal H+/organic cation antiporter by the covalent carboxyl reagent N,N'-dicyclohexylcarbodiimide (DCCD) was studied by measuring tetraethylammonium (TEA) uptake in brush border membrane vesicles isolated from rabbit renal cortex. Pretreatment of membrane vesicles with DCCD resulted in an irreversible inhibition of H+ gradient-dependent TEA uptake in a dose-dependent manner with IC50 of 10 microM. The inhibition was not due to the disruption of the vesicles or a faster collapse of an imposed H+ gradient. The transport system was significantly protected from DCCD inhibition by substrates, TEA, choline and amiloride, but not by N1-methylnicotinamide. Kinetic analysis indicated that the inhibition by DCCD was due to an increase in Km and a decrease in Vmax. The hydrophilic carbodiimides, 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide and 1-cyclohexyl-3-(2-morpholinoethyl)-carbodiimide and another carboxyl reagent N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline also inhibited the H(+)-dependent TEA uptake with a lower potency than did DCCD. These results suggest that carboxyl groups are essential for the H+/organic cation antiport and that they may be located at or near the substrate (organic cation) binding sites of the transporter in rabbit brush border membranes.
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Affiliation(s)
- Y K Kim
- Department of Physiology, College of Medicine, Pusan National University, Korea
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Bahk SY, Chang SD, Cheon BG, Cho JH, Jang HI, Hahn CH, Hara T, Lim GY, Kang JS, Kim CO, Kim JY, Kim KY, Kim SN, Kim TI, Kim TY, Koo DG, Lee SB, Lim IT, Moon KH, Nam SW, Pac MY, Park IG, Park JN, Ryu JY, Shin TS, Sim KS, Song JS, Woo JK, Yokoyama C, Yoon CS. Diffractive excitation of 14.6-, 60-, and 200-GeV/nucleon 16O and 14.6-GeV/nucleon 28Si nuclei in nuclear emulsion. Phys Rev C Nucl Phys 1991; 43:1410-1419. [PMID: 9967181 DOI: 10.1103/physrevc.43.1410] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Abstract
Cholinesterases in the oat cell were found to be distributed in the cell wall (50%) and cytoplasm (42%). Activity of the cytosolic enzyme was inhibited about 80% by 1 mM Ca2+. The enzyme activity was also inhibited by Mn2+, but no inhibition by Mg2+ was observed. Effects of red light and calcium ion on the enzyme activity were investigated in vivo to confirm the involvement of phytochrome action in the regulation process of this enzyme via Ca2+. It was observed that inhibition by red light only occurs when external Ca2+ existed in the cell medium. Based on a previous report (8) that red light stimulates the influx of Ca2+ into the cytosol of oat cell, inhibition of the enzyme activity by irradiation of red light can be suggested to occur via the influx of Ca2+.
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Affiliation(s)
- H Y Kim
- Department of Biochemistry, Chungbuk National University, Cheongju, Republic of Korea
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45
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Kim TI. [Case study on a congenital hypertrophic pyloric stenosis patient]. Taehan Kanho 1987; 26:37-41. [PMID: 3649493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Kim TI, Cho NH. Management development in the Korean national family planning program. Ingu Pogon Nonjip 1981; 1:135-78. [PMID: 12264034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
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Kim TI, Cho NH. East Asia review 1978-79. Republic of Korea. Stud Fam Plann 1980; 11:324-30. [PMID: 7456108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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