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Kim D, Yang PS, Jang E, Yu HT, Kim TH, Uhm JS, Kim JY, Sung JH, Pak HN, Lee MH, Lip GYH, Joung B. 208Effect of hypertension duration and systolic blood pressure on dementia in patients with atrial fibrillation. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Atrial fibrillation (AF) is associated with a higher risk for cognitive impairment and dementia, with or without a history of clinical stroke. There are a paucity of data on the associations of hypertension duration and blood pressure (BP) level with risk of dementia in patients with AF.
Purpose
We examined associations of duration of hypertension and secondly, systolic blood pressure (SBP) levels with incidence of dementia among patients with AF.
Methods
We enrolled a total 196,388 patients aged ≥50 years who were newly diagnosed as AF and undergoing hypertension treatment from the Korean National Health Insurance Service database (2005–2016). Starting from AF diagnosis, participants were followed up until the date of dementia, death, or December 31, 2016. To incorporate the effect of BP level and hypertension duration changes over time on dementia incidence, we constructed time-updated multivariable Cox models in which BP levels and hypertension duration were updated at each participants' regular national health examination visits (at 0–7 years of follow-up). Similarly, age, BP medications, and health-related behaviors were included as time-varying covariates in these models.
Results
During 1,016,744 person-years of follow-up, there were 32,692 dementia events. A cubic spline curve using continuous hypertension duration measures suggested a linear association between increase of hypertension duration and dementia risk. One-year increase of hypertension duration increased the adjusted risk of dementia with a hazard ratio (HR) of 1.17 [95% confidence interval (CI) 1.13–1.22]. In patients with hypertension duration <6 years, SBP of ≥140 mmHg was significantly associated with higher dementia risk, compared to SBP of <130 mmHg (in patients with hypertension duration <3 years: adjusted HR 1.08, 95% CI 1.01–1.16; and in those with 3 ≤ hypertension duration <6 years: adjusted HR 1.13, 95% CI 1.07–1.20), whereas no significant association between SBP and dementia risk in those with hypertension duration ≥6 years.
SBP and dementia in different duration
Conclusion
In patients with AF, the increase of hypertension duration was strongly associated with increased risk of dementia. Uncontrolled SBP was also associated with higher dementia risk. But, this effect of SBP might be attenuated in patients with longer hypertension duration. These findings suggest more emphasis needed on BP control in AF patients with earlier phase of hypertension (duration <6 years).
Acknowledgement/Funding
The Korean Ministry of Education, Science and Technology (NRF-2017R1A2B3003303) and the Korean Ministry of Health & Welfare (HI16C0058, HI15C1200)
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Kim IS, Yang PS, Yu HT, Kim TH, Uhm JS, Pak HN, Lee MH, Kim JY, Joung B. P5710Clinical applications of machine learning for prediction of incident atrial fibrillation from the general population: a nationwide cohort study. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background
To evaluate the ability of machine learning algorithms to predict incident atrial fibrillation (AF) from the general population using health examination items.
Methods
We included 483,343 subjects who received national health examinations from the Korean National Health Insurance Service-based National Sample Cohort (NHIS-NSC). We trained deep neural network model (DNN) of a deep learning system and decision tree model (DT) of a machine learning system using clinical variables and health examination items (including age, sex, body mass index, history of heart failure, hypertension or diabetes, baseline creatinine, and smoking and alcohol intake habits) to predict incident AF using a training dataset of 341,771 subjects constructed from the NHIS-NSC database. The DNN and DT were validated using an independent test dataset of 141,572 remaining subjects. C-indices of DNN and DT for prediction of incident AF were compared with that of conventional logistic regression model.
Results
During 1,874,789 person·years (mean±standard-deviation age 47.7±14.4 years, 49.6% male), 3,282 subjects with incident AF were observed. In the validation dataset, 1,139 subjects with incident AF were observed. The c-indices of the DNN and DT for incident AF prediction were 0.828 [0.819–0.836] and 0.835 [0.825–0.844], and were significantly higher (p<0.01) than conventional logistic regression model (c-index=0.789 [0.784–0.794]).
Conclusions
Application of machine learning using simple clinical variables and health examination items was helpful to predict incident AF in the general population. Prospective study is warranted to construct an individualized precision medicine.
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Kim D, Yang PS, Jang E, Yu HT, Kim TH, Uhm JS, Kim JY, Sung JH, Pak HN, Lee MH, Lip GYH, Joung B. 64Risk of dementia in patients treated with non-vitamin k antagonist oral anticoagulant or warfarin for nonvalvular atrial fibrillation. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Evidence is accumulating that use of oral anticoagulants (OACs) decreases the risk of dementia in patients with atrial fibrillation (AF), but it is unclear if there is a difference between non-vitamin K antagonist oral anticoagulants (NOACs) and warfarin in protecting against dementia.
Purpose
To compare the risk of dementia between patients taking either NOAC or warfarin using a nationwide cohort data covering the entire Korean population.
Methods
Using the Korean national health insurance service database, 68,984 new OAC users with non-valvular AF aged ≥50 years and no prior diagnosis of dementia were identified during the period of 2013–2016 (39,687 NOAC users and 29,297 warfarin users). Starting from OAC initiation, participants were followed up until the date of dementia, death, or December 31, 2016. We compared the rates of dementia in 1:1 propensity score-matched cohorts of NOAC (n=18,925) and warfarin users (n=18,925).
Results
During the 52,259 person-years of follow-up, there were 2,750 dementia events. Use of NOAC was associated with significant lower risk of dementia [hazard ratio (HR) 0.75, 95% confidence interval (CI) 0.69–0.81], compared with warfarin. The risk reduction was prominent for vascular dementia (HR 0.60, 95% CI 0.52–0.71), whereas there was no significant difference in the risk of Alzheimer dementia (HR 0.92, 95% CI 0.83–1.02). Restricting the analyses to patients with no stroke diagnosis prior to OAC initiation (primary prevention) showed no significant difference between NOAC and warfarin in any types of dementia, but in the subgroup with prior stroke (secondary prevention), NOAC significantly reduced the risk of overall (HR 0.70, 95% CI 0.63–0.78) and vascular dementia (HR 0.59, 95% CI 0.49–0.69).
Subgroup analysis according to stroke Hx Patient N Overall dementia Alzheimer dementia Vascular dementia HR (95% CI) P for interaction HR (95% CI) P for interaction HR (95% CI) P for interaction Total 37,850 0.75 (0.69–0.81) 0.92 (0.83–1.02) 0.60 (0.52–0.71) Without prior stroke 24,773 0.90 (0.78–1.05) 0.948 0.98 (0.83–1.15) 0.235 0.85 (0.56–1.28) 0.863 With prior stroke 13,077 0.70 (0.63–0.78) 0.90 (0.79–1.03) 0.59 (0.49–0.69) CI, confidence interval; HR, hazard ratio.
KM curves of dementia incidence
Conclusion
In this propensity-weighted nationwide cohort of non-valvular AF patients, NOAC was associated with reduced risk of dementia, compared with warfarin. This association was the most pronounced for vascular dementia in patients with prior stroke.
Acknowledgement/Funding
The Korean Ministry of Education, Science and Technology (NRF-2017R1A2B3003303) and the Korean Ministry of Health & Welfare (HI16C0058, HI15C1200)
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Joung B, Yang PS, Sung JH, Jang ES, Yu HT, Kim TH, Pak HN, Lee MH. P345Catheter ablation for atrial fibrillation is associated with lower incidence of stroke, major bleeding and death: data from Korean health registries. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Compared with antiarrhythmic drug therapy, catheter ablation of AF reduces the number of AF episodes, prolongs the time in sinus rhythm, and improves quality of life. However, it is still unclear if catheter ablation for atrial fibrillation (AF) affects the prognosis or merely is a symptomatic treatment. Our objective was to compare long-term outcome regarding stroke, major bleeding and death in AF patients with and without ablation, and in relation to long-term exposure to anticoagulants.
Methods
We identified all 800,084 patients with a diagnosis of AF from 2006 to 2015 in the Korean national health insurance service database. During a 10-year period, 10,979 AF ablations were performed among 9,768 individuals. Propensity scores for the likelihood of AF ablation were obtained by logistic regression. Propensity score (PS) matching was used to construct two cohorts of equal size (n=9,768) with similar characteristics in 16 dimensions.
Results
Patients who had undergone catheter ablation were younger (57.2 vs. 65.6 years, P<0.001) and healthier (mean CHA2DS2-VASc scores 2.5±1.7 vs. 3.6±2.1, P<0.001) than other patients with AF. Mean follow-up was 5.5±3.1 years. After propensity score matching, in the ablated group, 472 patients suffered ischemic stroke/systemic embolism (SE) compared with 1,682 in the matched non-ablated (annual rates 2.92 vs. 1.10%, P<0.001). Major bleeding occurred in 439 and 1,219 patients in ablated and non-ablated (annual rates 2.07 vs. 1.01%, P<0.001). A total of 306 ablated and 1,439 non-ablated patients died (annual rates 2.31 vs. 0.69%, P<0.001). After multivariable adjustments, catheter ablation was associated with lower risk of ischemic stroke [hazard ratio (HR) 0.51, 95% confidence interval (CI) 0.38–0.67), lower risk of major bleeding (HR 0.65, 95% CI 0.57–0.75) and with lower mortality risk (HR 0.39, 95% CI 0.34–0.46). The reduction of stroke/SE and mortality was observed after AF ablation regardless thromboembolic risk. Major bleeding was reduced only among patients with CHA2DS2-VASc score ≥2 (HR 0.70, 95% CI 0.59–0.84).
Conclusion
We found a strong association between ablation and survival. Ablation may be associated with lower incidence of ischemic stroke and major bleeding in patients with AF. The reduction of stroke/SE and mortality was observed regardless thromboembolic risk after AF ablation. But the risk of major bleeding was reduced only in patients with high thromboembolic risk factors.
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Yang PS, Sung JH, Jang E, Yu HT, Kim TH, Uhm JS, Kim JY, Pak HN, Lee MH, Joung B. P1027The risk of dementia and catheter ablation for atrial fibrillation: a nationwide cohort study. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Atrial fibrillation (AF) is associated with all forms of dementia, including Alzheimer's disease. Catheter ablation of AF reduces the number of AF episodes, prolongs the time in sinus rhythm, and improves quality of life. However, it is still unclear if catheter ablation for AF improve cognitive function and prevent dementia. Our objective was to compare long-term outcome regarding dementia and type of dementia in AF patients with and without ablation, and about long-term exposure to anticoagulants.
Methods
We identified all 801,701 patients with a diagnosis of AF from 2006 to 2015 in the Korean national health insurance service database. During ten years, 10,979 AF ablations were performed among 9,768 individuals. Propensity scores for the likelihood of AF ablation were obtained by logistic regression. Propensity score (PS) matching was used to construct two cohorts of equal size (n=9,768) with similar characteristics in 16 dimensions.
Results
Patients who had undergone catheter ablation were younger (57.2 vs. 65.6 years, P<0.001) and healthier (mean CHA2DS2-VASc scores 2.5±1.7 vs. 3.6±2.1, p<0.001) than other patients with AF. Mean follow-up was 5.5±3.1 years. After propensity score matching, in the ablated group, 184 patients suffered dementia compared with 650 in the matched non-ablated (annual rates 0.42 vs. 1.08%, P<0.001). While a total of 134 ablated and 379 non-ablated patients had Alzheimer disease (annual rates 0.31 vs. 0.62%, p<0.001), 40 ablated and 191 non-ablated patients had vascular disease (annual rates 0.09 vs. 0.31%, p<0.001). After multivariable adjustments, catheter ablation was associated with lower risk of dementia (hazard ratio [HR] 0.46, 95% confidence interval [CI] 0.37–0.58), lower risk of Alzheimer disease (HR 0.61, 95% CI 0.46–0.79) and lower risk of vascular dementia (HR 0.27, 95% CI 0.19–0.38). Although the reduction of dementia and Alzheimer disease was observed after AF ablation regardless of thromboembolic risk, vascular dementia was reduced only among patients with CHA2DS2-VASc score ≥2 (HR 0.29, 95% CI 0.20–0.42).
The risk of dementia, RFCA vs. no-RFCA Type Propensity score matched ablation group vs. no ablation group adjusted HR (95% CI) P-value Overall dementia 0.46 (0.37–0.58) <0.001 Alzheimer dementia 0.61 (0.46–0.79) <0.001 Vascular dementia 0.27 (0.19–0.38) <0.001
Conclusion
Ablation may be associated with a lower incidence of dementia and both type of dementia in patients with AF. This finding appears more pronounced in patients with high thromboembolic risk factors.
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Li CJ, Lin CY, Wang ML, Hou CH, Chang CL, Wu HM, Yu HT, Huang HY, Wang HS, Soong YK. Clinical outcomes and the probability of having one euploidy embryo using aCGH and NGS at different maternal age in PGT-A cycle. Reprod Biomed Online 2019. [DOI: 10.1016/j.rbmo.2019.03.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Kim D, Yang PS, Jang E, Yu HT, Kim TH, Uhm JS, Kim JY, Pak HN, Lee MH, Joung B, Lip G. P4795Dabigatran in real-world asian patients with atrial fibrillation with low body weight: nationwide cohort data covering the entire korean population. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p4795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Kim K, Yang P, Jang E, Yu HT, Kim T, Uhm J, Kim J, Pak H, Lee M, Joung B, Lip GYH. P5143The increased risk of stroke, bleeding and mortality with new-onset atrial fibrillation in critically ill patients: a nationwide cohort study. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p5143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Yu HT, Kim TH, Uhm JS, Kim JY, Joung B, Lee MH, Pak HN. P1903How long the duration of atrial fibrillation is associated with poor rhythm outcome after catheter ablation? Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p1903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Kim BG, Uhm JS, Yang PS, Yu HT, Kim TH, Joung BY, Pak HN, Kim SY, Kim MS, Lee JG, Paik HC, Lee MH. P2884Clinical significance of postoperative atrial arrhythmias in patients who underwent lung transplantation. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p2884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Kim D, Yang PS, Kim TH, Jang E, Yu HT, Uhm JS, Kim JY, Pak HN, Lee MH, Joung B, Lip G. 2181What is the ideal blood pressure threshold and target for the management of high blood pressure in patients with atrial fibrillation? Nationwide cohort data covering the entire korean population. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.2181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Zhu ZN, Lu Y, Wu CF, Zou SR, Liu H, Wang CF, Luo BZ, Yu HT, Mi M, Wang GQ, Xiong LB, Wang WJ, Luo CY, Zang JJ, Wang ZY, Jia XD, Feng XG, Guo CY, Wu F. [General plan of Shanghai Diet and Health Survey]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2018; 39:876-879. [PMID: 30060297 DOI: 10.3760/cma.j.issn.0254-6450.2018.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Shanghai Diet and Health Survey (SDHS) was designed to prospectively access local residents' food consumption, energy and nutrient intake, related chemical contaminant exposure, and the seasonal change trend to explore the relationship of diet with health. Data from SDHS can be used as fundamental information and scientific evidences for the development of local nutrition and food safety policies.
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Yu HT, Ding XL, Li N, Zhang XY, Zeng XF, Wang S, Liu HB, Wang YM, Jia HM, Qiao SY. Dietary supplemented antimicrobial peptide microcin J25 improves the growth performance, apparent total tract digestibility, fecal microbiota, and intestinal barrier function of weaned pigs. J Anim Sci 2018; 95:5064-5076. [PMID: 29293710 DOI: 10.2527/jas2017.1494] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Microcin J25 (MccJ25) is an antimicrobial peptide produced by a fecal strain of Escherichia coli containing 21 AA. This study was performed primarily to evaluate the effects of MccJ25 as a potential substitute for antibiotics (AB) on growth performance, nutrient digestibility, fecal microbiota, and intestinal barrier function in weaned pigs. In the present study, 180 weaned pigs (7.98 ± 0.29 kg initial BW) were randomly assigned to 1 of 5 treatments, including a basal diet (CON) and CON supplemented with AB (20 mg/kg colistin sulfate; ABD) or 0.5, 1.0, and 2.0 mg/kg MccJ25. On d 0 to 14, dietary supplementation with MccJ25 and ABD had positive effects on ADG, ADFI, diarrhea incidence, and G:F ( < 0.05). Pigs fed the 2.0 mg/kg MccJ25 diet had greater ADG ( < 0.05) and marginally greater G:F ( < 0.10) compared with pigs fed the ABD diet. Compared with the CON diet, the 2.0 mg/kg MccJ25 diet sharply improved ( < 0.05) ADG and G:F and decreased ( < 0.05) diarrhea incidence (d 15 to 28 and d 0 to 28). Apparent digestibility of nutrients in pigs fed 1.0 and 2.0 mg/kg MccJ25 was improved ( < 0.05) compared with that of pigs fed CON and ABD. The serum cytokines IL-6 and IL-1β and tumor necrosis factor-α levels in pigs fed MccJ25 were greater than in pigs fed CON ( < 0.05). Additionally, the IL-10 concentration in pigs fed MccJ25 was sharply increased ( < 0.05) compared with that of pigs fed CON. Pigs fed 1.0 and 2.0 mg/kg MccJ25 diets had remarkably decreased lactate, diamine oxidase, and endotoxin concentrations and fecal numbers ( < 0.05) and improved fecal and numbers ( < 0.05). Compared with the ABD diet, the diet containing 2.0 mg/kg MccJ25 did not increase lactate, diamine oxidase, and endotoxin (d 14) concentrations ( < 0.05) or decrease the and (d 28) numbers ( < 0.05). The diets containing 1.0 and 2.0 mg/kg MccJ25 and ABD (d 28) improved lactate concentration and short-chain fatty acid concentrations, including acetate, propionate, and butyrate, in feces ( < 0.05). Moreover, the pigs fed 2.0 mg/kg MccJ25 had greater lactate, butyrate (d 14), and propionate concentrations than the pigs fed the ABD diet ( < 0.05). In conclusion, dietary supplemented MccJ25 effectively improved performance, attenuated diarrhea and systematic inflammation, enhanced intestinal barrier function, and improved fecal microbiota composition of weaned pigs. Therefore, MccJ25 could be a potential effective alternative to AB for weaned pigs.
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Li L, Yu HT, Wang XD, Zhou F, Wang F, Wang CF. [Analysis of birth defect rate trend of cleft lip and palate in Shanghai from 2007 to 2016]. ZHONGHUA KOU QIANG YI XUE ZA ZHI = ZHONGHUA KOUQIANG YIXUE ZAZHI = CHINESE JOURNAL OF STOMATOLOGY 2018; 53:301-306. [PMID: 29972986 DOI: 10.3760/cma.j.issn.1002-0098.2018.05.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analysis the rate of birth defects of cleft lip and palate among newborns in Shanghai during 2007 and 2016 and describe its change trend, for the purpose of prevention, treatment and nursing of newborns with cleft lip and palate. Methods: Birth registration information in Shanghai during January 2007 and December 2016 were collected. Rate of birth defects, gender ratio and maternal age of newborns with cleft lip and palate were analyzed. Annual percent change was applied to analyze the trend. Results: The total birth defect rate of children with cleft lip and palate was 937/million in the past 10 years in Shanghai, showing an overall decreasing trend, decreased 28.20% compared to the data of 2007. The total birth defect rate of newborns with cleft lip decreased 40.86%. Overall decline rate of newborns with cleft lip and palate was 54.60%, but birth defect rate of newborns with the isolated cleft palate rised 14.34%. The number of female isolated cleft palate newborns were 1.6 times higher than those of male isolated cleft palate newborns, male newborns with cleft lip were 1.8 times higher than that of the female newborns with cleft lip. Male newborns with cleft lip and palate were 1.5 times as much as the female newborns with cleft lip and palate. Maternal age is mainly 25 to 29 years old, accounting for 42.01% of the total number of mothers, the according birth defect rate was lowest as 853/million. When maternal age is too low or too high, the risk of neonatal cleft lip and palate could increase. Birth defects of cleft lip and palate was up to 130.8/million when maternal age is less than 20, while birth defects of cleft lip and palate was up to 188.2/million when maternal age over 40 years old. Conclusions: In recent 10 years, the overall rate of birth defects of cleft lip and palate in Shanghai shows a decreasing trend, with cleft lip and palate declining obviously, but isolate cleft palate has an increasing tendency. Maternal age less than 20 years old or more than 40 years old will increase the risk of birth defects in newborns with cleft lip and palate.
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Kim D, Yang PS, Jang E, Yu HT, Kim TH, Uhm JS, Kim JY, Sung JH, Pak HN, Lee MH, Joung B, Lip GYH. P1195Current and future incidence and prevalence of atrial fibrillation in korea. Europace 2018. [DOI: 10.1093/europace/euy015.677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Yu HT, Yang PS, Kim TH, Uhm JS, Kim JY, Joung B, Lee MH, Pak HN. 524Poor rhythm outcome of catheter ablation for early onset atrial fibrillation in women: mechanistic insight. Europace 2018. [DOI: 10.1093/europace/euy015.291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Kim D, Yang PS, Jang E, Yu HT, Kim TH, Uhm JS, Kim JY, Pak HN, Lee MH, Sung JH, Joung B, Lip GYH. P1196Increasing trends in hospital-care burden of atrial fibrillation in korea, 2006 through 2015: implications for healthcare planning. Europace 2018. [DOI: 10.1093/europace/euy015.678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Yu HT, Shin DG, Shim J, Nam GB, Yoo WW, Lee JH, Kim TH, Uhm JS, Joung B, Lee MH, Kim YH, Pak HN. P358Efficacy and safety of unilateral groin puncture with single trans-septal catheter ablation for paroxysmal atrial fibrillation: A multi-center prospective randomized study. Europace 2018. [DOI: 10.1093/europace/euy015.169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Yu HT, Yang PS, Hwang J, Ryu S, Jang E, Kim TH, Uhm JS, Sung JH, Kim JY, Pak HN, Lee MH, Joung B, Lip GYH. P378Influence of reimbursement of non-vitamin K antagonist oral anticoagulants on overall prescription rates of oral anticoagulation: A nationwide study using the Korean National Health Insurance Data. Europace 2018. [DOI: 10.1093/europace/euy015.189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Lim YM, Yang PS, Jang ES, Yu HT, Kim TH, Uhm JS, Sung JH, Kim JY, Pak HN, Lee MH, Joung B, Lip GYH. 1009Body mass index variability and long-term risk of new-onset atrial fibrillation in the general population: a korean nationwide cohort study. Europace 2018. [DOI: 10.1093/europace/euy015.558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Yu HT, Lee CH, Huang SC, Yu SF. Unsuspected human immunodeficiency virus infection presenting as immunoglobulin G4-related lymphadenopathy: a case report. Int J STD AIDS 2017; 29:92-95. [PMID: 28768471 DOI: 10.1177/0956462417722479] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Immunoglobulin G4 (IgG4)-related disease (IgG4-RD) is an immune-mediated condition characterized by infiltration of the involved organs by IgG4-bearing plasma cells. The prevalence of autoimmune diseases, associated with or occurring in patients with human immunodeficiency virus (HIV) infection, has been increasing. We describe a 58-year-old man with an undiagnosed HIV infection, which presented as chronic cervical lymphadenopathy with an elevated serum IgG4 and a very high IgE. Histologically, lymph nodes showed expanded sinusoids and burnt-out germinal centers with increased plasmacytic infiltration and collagen fiber deposition. The absolute number of IgG4+ plasma cells and the IgG4+/IgG+ plasma cell ratio was increased. The lymph nodes were enlarged and clinically the patient improved after steroid treatment. Nine months later, he was diagnosed with acquired immune deficiency syndrome, following presentation with a cavitary left lung lesion. Immunohistochemical studies on the previously resected lymph node revealed complete absence of CD4+ T-lymphocytes and increased CD8+ T-lymphocytes. The pathologic findings met the criteria of both HIV infection and IgG4-related lymphadenopathy. Our case demonstrates that further investigations for underlying HIV infection in a case of IgG4-RD are critical, especially when extremely elevated IgE is concomitantly present.
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Yu HT, Lu PR. Effects of lentiviral short hairpin RNA silencing of Toll-like receptor 4 on the lens epithelial cell line HLEC. GENETICS AND MOLECULAR RESEARCH 2016; 15:gmr7897. [PMID: 27323124 DOI: 10.4238/gmr.15027897] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The aim of this study was to observe the proliferation of, and cell-cycle changes in, the human lens epithelial cell line HLEC after Toll-like receptor 4 (TLR4) gene silencing. HLEC cells were transfected with four TLR4-short hairpin RNA (shRNA) lentiviral vectors or the control lentivirus (pGCL-GFP-shRP-1, -2, -3, -4, NC). TLR4 silencing was verified in these cells 96 h post-transfection using real-time polymerase chain reaction and western blot. We also observed the change in number of pGCL-GFP-shRP-4-transfected HLEC cells with silenced TLR4 (multiplicity of infection = 10). Cell proliferation was analyzed 48 h after transfection by a standard Cell Counting Kit-8 (CCK-8) assay, and the cell cycle changes were detected by flow cytometry. The number of cells with silenced TLR4 decreased with time. The decrease in TLR4 expression led to decelerated cell proliferation. Cells with silenced TLR4 (for 48 h) were arrested in the G1 phase; that is, the cell cycle was prolonged and cell division was decelerated. Lentivirus-mediated RNA interference effectively silenced TLR4 expression in HLEC cells, which decelerated their proliferation rate and extended the cell cycle.
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Wang CJ, Chin HY, Yu HT, Ho SY. Laparoscopic management of intraligamentary fibroid originating from the round ligament. Gynecol Minim Invasive Ther 2015. [DOI: 10.1016/j.gmit.2014.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Chen CK, Wu D, Yu HT, Lin CY, Wang ML, Yeh HY, Huang HY, Wang HS, Soong YK, Lee CL. Preimplantation genetic diagnosis by fluorescence in situ hybridization of reciprocal and Robertsonian translocations. Taiwan J Obstet Gynecol 2015; 53:48-52. [PMID: 24767646 DOI: 10.1016/j.tjog.2012.04.043] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/24/2012] [Indexed: 10/25/2022] Open
Abstract
OBJECTIVE The presence of reciprocal and Robertsonian chromosomal rearrangement is often related to recurrent miscarriage. Using preimplantation genetic diagnosis, the abortion rate can be decreased. Cases treated at our center were reviewed. MATERIALS AND METHODS A retrospective analysis for either Robertsonian or reciprocal translocations was performed on all completed cycles of preimplantation genetic diagnosis at our center since the first reported case in 2004 until the end of 2010. Day 3 embryo biopsies were carried out, and the biopsied cell was checked by fluorescent in situ hybridization using relevant informative probes. Embryos with a normal or balanced translocation karyotype were transferred on Day 4. RESULTS Thirty-eight preimplantation genetic diagnosis cycles involving 17 couples were completed. A total of 450 (82.6%) of the total oocytes were MII oocytes, and 158 (60.0%) of the two-pronuclei embryos were biopsied. In 41.4% of the fluorescent in situ hybridization analyses, the results were either normal or balanced. Embryos were transferred back after 21 cycles. Three babies were born from Robertsonian translocation carriers and another two from reciprocal translocation carriers. The miscarriage rate was 0%. Among the reciprocal translocation group, the live delivery rate was 8.3% per ovum pick-up cycle and 18.2% per embryo transfer cycle. Among the Robertsonian translocation group, the live delivery rate was 14.3% per ovum pick-up cycle and 20.0% per embryo transfer cycle. CONCLUSION There is a trend whereby the outcome for Robertsonian translocation group carriers is better than that for reciprocal translocation group carriers. Aneuploidy screening may possibly be added in order to improve the outcome, especially for individuals with an advanced maternal age. The emergence of an array-based technology should help improve this type of analysis.
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Yu HT, Huang HY, Lee CL, Soong YK, Wang CJ. Side of ovarian endometrioma does not affect the outcome of in vitro fertilization/intracytoplasmic sperm injection in infertile women after laparoscopic cystectomy. J Obstet Gynaecol Res 2014; 41:717-21. [PMID: 25511776 DOI: 10.1111/jog.12633] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Accepted: 10/03/2014] [Indexed: 11/27/2022]
Abstract
AIM The aim of this study was to assess the impact of the laterality of ovarian endometrioma on pregnancy outcome of in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) in infertile patients undergoing laparoscopic cystectomy. MATERIAL AND METHODS A total of 103 IVF/ICSI cycles in patients who had undergone laparoscopic cystectomy for unilateral endometriomas were reviewed retrospectively from January 2005 through December 2009. There were 41 cycles where laparoscopic cystectomy had been carried out for right endometriomas and 62 cycles after left-side surgery. Primary outcome measures were ovarian reserve and ovarian response. Secondary outcome measures were the implantation rate, clinical pregnancy rate, and live birth rate. RESULTS There was no difference among the two groups with regard to antral follicle count, number of oocytes retrieved, the dosage of gonadotrophin, estradiol level on human chorionic gonadotrophin day, good-quality embryos for transfer, and fertilization rate. The clinical pregnancy rate and live birth rate were similar between the two groups; however, the implantation rate was significantly lower in the cycles with left-side ovarian endometrioma compared to the right counterpart (10.1% vs 20.2%; P = 0.015). CONCLUSION There were no associations among the laterality of ovarian endometrioma, ovarian reserve and ovarian response in IVF/ICSI cycles. However, left ovarian endometrioma after laparoscopic cystectomy may impair implantation rate as compared to right ovarian endometrioma.
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