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Lee H, Choi EK, Han KD, Oh S. P1871Bodyweight variability and atrial fibrillation development. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0621] [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
Bodyweight fluctuation is a risk factor for cardiovascular events and death. We investigated whether bodyweight variability is also a risk factor for atrial fibrillation (AF) development.
Methods
A nationwide population-based cohort of 8,091,401 adults from the Korean National Health Insurance Service database without previous history of AF and with at least 3 measurements of bodyweight over a 5-year period was followed up for incident AF. Intra-individual bodyweight variability was calculated using variability independent of mean, and high bodyweight variability was defined as the quartile with highest bodyweight variability (Q4) with Q1–3 as reference.
Results
During median 8.1 years of follow-up, AF was newly diagnosed in 158,347 (2.0%). Increasing bodyweight variability was associated with AF development after adjustment for baseline bodyweight, height, age, sex, lifestyle factors and comorbidities: each increase of 1-SD in bodyweight variability was associated with 5% increased risk of AF development (hazard ratio [HR] 1.05, 95% confidence interval [CI] 1.04–1.05), and subjects with highest bodyweight variability (Q4) showed 14% increased risk of AF development compared to those in the quartile with lowest bodyweight variability (HR 1.14, 95% CI 1.12–1.15).
When the cohort was grouped by body mass index (BMI) into underweight, normal weight, overweight, obese (Figure 1A), subjects with high bodyweight variability showed a shallow U-shaped relationship of BMI with AF incidence, with the highest incidence rate of AF in the underweight group. On the other hand, subjects with reference bodyweight variability showed a proportional increase of AF incidence with BMI, with the highest AF incidence in the obese group. High bodyweight variability was significantly associated with AF development in all BMI groups except in the very obese (BMI≥30) in multivariable analysis, and this association was stronger in subjects with lower bodyweight. In underweight subjects, high bodyweight variability was associated with 16% increased risk of AF development (HR 1.16, 95% CI 1.08–1.24). Obese subjects with high bodyweight variability compared to those with reference variability showed lower crude AF incidence rates, but after multivariable analysis, AF risk was increased (obese stage I) or comparable (obese stage II).
When the cohort was grouped by total bodyweight change (Figure 1B), subjects with high bodyweight variability showed higher AF incidence and elevated AF risk on multivariable analysis in all weight change groups. Subjects with overall weight loss (≥-5%) and high bodyweight variability showed the highest AF incidence and AF risk (HR 1.12, 95% CI 1.09–1.15).
Figure 1
Conclusions
Fluctuation in bodyweight was independently associated with higher risk of AF development. The association of high bodyweight variability with AF development was especially stronger in subjects with lower bodyweight, and in subjects with overall weight loss (≥-5%)
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Choi EK, Lee SR, Lee SR, Kwon S, Kwon S, Han KD, Han KD, Jung JH, Jung JH, Oh S, Oh S, Lip GYH, Lip GYH. P4782Direct comparison of dabigatran, apixaban, rivaroxaban and edoxaban for effectiveness and safety among patients with non-valvular atrial fibrillation. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.1158] [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
Although the prescription of non-vitamin K antagonist oral anticoagulants (NOACs) in patients with non-valvular atrial fibrillation (AF) has been rapidly increasing in Asian countries since their introduction, limited evidence exists on the effectiveness and safety of warfarin and all 4 available NOACs from current clinical practice in the Asian population. We aimed to evaluate comparative effectiveness and safety of warfarin and all 4 available NOACs
Methods
We studied a retrospective observational cohort of oral anticoagulant (OAC) naïve non-valvular AF patients treated with warfarin or NOACs (rivaroxaban, dabigatran, apixaban, or edoxaban) from January 2015 to December 2017, based on the Korean Health Insurance Review and Assessment database. For the comparisons, warfarin to 4 NOACs and NOAC to NOAC comparison cohorts were balanced using inverse probability of treatment weighting (IPTW). Ischemic stroke, intracranial hemorrhage (ICH), gastrointestinal bleeding (GIB), major bleeding (MB) and a composite clinical outcome were evaluated.
Results
A total of 116,804 patients were included (25,420 with warfarin, 35,965 with rivaroxaban, 17,745 with dabigatran, 22,177 with apixaban, and 15,496 with edoxaban). Patients treated with warfarin were younger (mean age 67 years) compared to NOAC users (71 to 73 years) and had lower mean CHA2DS2-VASc score (3.18) than the NOAC groups (3.58 to 3.76). Among the NOAC users, patients prescribed apixaban were older (mean age 73 years) than other NOAC groups (71 to 72 years), had higher mean CHA2DS2-VASc score (3.76) than others (3.55 to 3.63) and higher burden of comorbidities. More than half of patients were prescribed reduced dose regimes. After IPTW, all baseline covariates were well balanced across 5 treatment groups. Compared with warfarin, all NOACs were associated with lower risks of ischemic stroke, ICH, GIB, MB and composite outcome (Figure A). Apixaban and edoxaban showed a lower rate of ischemic stroke compared with rivaroxaban and dabigatran (Figure B). Apixaban, dabigatran and edoxaban had a lower rate of GIB and MB compared with rivaroxaban. The composite clinical outcome was non-significantly different for apixaban vs edoxaban.
Conclusions
In this large contemporary observational Asian cohort, all 4 NOACs were associated with lower rates of ischemic stroke and major bleeding compared to warfarin. Differences in clinical outcomes between NOACs may give useful guidance for physicians to choose drugs to fit their particular patient clinical profile.
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Lim HE, Ahn J, Han SJ, Shim J, Kim YH, Choi EK, Oh S, Shin SY, Lip GYH. P1026Risk factors for the occurrence of stroke after atrial fibrillation ablation. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0617] [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
Risk factors for the occurrence of embolic stroke (ES) after atrial fibrillation (AF) ablation have not been fully elucidated. Our aim was to assess incidence of ES during long-term follow-up following AF ablation and to identify predicting factors associated with post-ablation ES.
Methods
We enrolled patients who experienced ES after AF ablation and body mass index-matched controls from AF ablation registries. Epicardial adipose tissue (EAT) was assessed using multislice computed tomography prior to ablation.
Results
A total of 3,464 patients who underwent AF ablation were recruited. During a mean follow-up of 47.2 months, ES occurred in 47 patients (1.36%) with a mean CHA2DS2-VAS score of 2.15 and overall incidence of ES was 0.34 per 100 patients/year. Compared with control group (n=190), ES group had more higher prior thromboembolic event and AF recurrence rates, larger LA size, lower creatinine clearance rate (CCr), and greater total and periatrial EAT volumes although no differences in AF type, CHA2DS2-VASc score, ablation extent, and anti-thrombotics use were found. On multivariate regression analysis, a prior history of thromboembolism, CCr, and periatrial EAT volume were independently associated with ES occurrence after AF ablation.
Cox regression analysis Risk factor Univariate Multivariate HR (95% CI) p value HR (95% CI) p value Age 1.017 (0.984–1.051) 0.31 Prior thromboembolism 2.488 (1.134–5.460) 0.023 2.916 (1.178–7.219) 0.021 CHA2DS2-VASc score 1.139 (0.899–1.445) 0.282 CCr 0.984 (0.970–0.999) 0.038 0.982 (0.996–0.998) 0.029 LA diameter (mm) 1.070 (1.012–1.130) 0.017 1.072 (0.999–1.150) 0.054 EAT_total (ml) 1.020 (1.010–1.029) <0.001 1.008 (0.993–1.023) 0.297 EAT_periatrial (ml) 1.085 (1.045–1.126) <0.001 1.065 (1.005–1.128) 0.032 PVI + additional ablation 0.846 (0.460–1.557) 0.592 No anticoagulant use 0.651 (0.346–1.226) 0.184 Recurrence 2.011 (1.007–4.013) 0.048 1.240 (0.551–2.793) 0.603 CCr, creatinine clearance rate; EAT, epicardial adipose tissue; LA, left atrium; PVI, pulmonary vein isolation.
K-M curve for stroke-free survival
Conclusions
Incidence of ES after AF ablation was lower than expected rate based on CHA2DS2-VASc score even though anticoagulants use was limited. Periatrial EAT volume, a prior thromboembolism event, and CCr were independent factors in predicting ES irrespective of AF recurrence and CHA2DS2-VASc score in patients who underwent AF ablation.
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Choi EK, Lee SR, Han KD, Jung JH, Oh S, Lip GYH. P4769Optimal rivaroxaban dose in Asian patients with atrial fibrillation and normal or mildly impaired renal function. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.1145] [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: 11/12/2022] Open
Abstract
Abstract
Background
Although rivaroxaban 15 mg was only given to patients with creatinine clearance (CrCl) <50mL/min in the pivotal clinical trial, this dose has been commonly prescribed in Asian patients with non-valvular atrial fibrillation (AF) regardless of renal function. There is a paucity of information regarding the clinical outcomes of rivaroxaban 15 mg compared to rivaroxaban 20 mg in patients with CrCl ≥50mL/min. This study aimed to examine the effectiveness and safety of two doses of rivaroxaban in Asian patients with AF and CrCl ≥50mL/min.
Methods
Using the Korean National Health Insurance Service database, patients with AF and normal or mildly impaired renal function (CrCl ≥50mL/min) and naïve to rivaroxaban or warfarin were included from January 2014 to December 2016. Three separate 1:1 propensity score-matched cohorts were conducted: rivaroxaban 20 mg (R20) vs. warfarin (n=15,584), rivaroxaban 15 mg (R15) vs. warfarin (n=11,554), and R20 vs. R15 (n=10,392). Hazard ratios (HRs) for ischemic stroke, intracranial hemorrhage (ICH), gastrointestinal (GI) bleeding, major bleeding, all-cause death, and composite clinical outcome were analyzed.
Results
Among the pooled total study population, mean age was 66.9±10.9 years, 62.2% were male, mean CHA2DS2-VASc score was 3.16±1.79, and mean CrCl was 83.6±42.0 mL/min (median 78.4 mL/min, IQR 67.7–91.0 mL/min). A substantial proportion (42.6%) of patients with CrCl ≥50 mL/min were prescribed off-label R15 for stroke prevention in the Korean AF population. Compared to warfarin, both R20 and R15 showed significantly lower risk for ischemic stroke, major bleeding (mainly through reduction of ICH), and all-cause death (Figure). Overall, both R20 and R15 had better results for the composite clinical outcome compared to warfarin (HR: 0.617, 95% CI: 0.550–0.691 for R20, and HR: 0.759, 95% CI: 0.675–0.853 for R15). Compared to off-label R15, on-label R20 showed a nonsignificant trend toward lower risks of ischemic stroke, hospitalization for GI bleeding, hospitalization for major bleeding, and all-cause death. Overall, on-label R20 had better results for the composite clinical outcome compared to off-label R15 in patients with CrCl ≥50 mL/min (HR: 0.852, 95% CI: 0.735–0.988). This benefit was consistently observed in patients aged ≥80 years and those <50 kg. In patients with CrCl 50–60 mL/min, R20 showed a nonsignificant trend toward a higher risk of hospitalization for major bleeding compared to R15 (HR: 1.828, 95% CI 0.994–3.452).
Conclusions
Among Asians with AF and CrCl ≥50mL/min, both R20 and R15 were associated with reduced risk of ischemic stroke, ICH, major bleeding, and all-cause death without significantly increased risk of GI bleeding compared with warfarin. In patients with CrCl ≥50mL/min, on-label R20 showed better results for the composite clinical outcome compared to off-label R15.
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Lee S, Choi EK, Lee SR, Han K, Cha MJ, Oh S. P664Impact of dynamic change in the status of metabolic syndrome associated with the risk of atrial fibrillation: a nationwide population-based study. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0270] [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/Introduction
Metabolic syndrome (MetS) is a well-known risk factor for new-onset atrial fibrillation (AF). However, there is a paucity of information on whether the change of MetS status has an impact on the risk of new-onset AF.
Objective
We aimed to evaluate the risk of AF according to the change of MetS status and to find whether components of metabolic syndrome control may affect AF risk.
Methods
A total of 7,565,531 subjects (≥20-year-old, mean age 47.2±13.7 years, male 55.6%) without prevalent AF who underwent 2 times of serial health checkup were identified from the Korean National Health Insurance Service. MetS was defined as having ≥3 of the following risk factors: increased waist circumference (ethnicity-specific, in Asian, ≥80 cm in women or ≥90 cm in men), increased triglycerides (≥150 mg/dL), decreased high-density lipoprotein-cholesterol level (<40 mg/dL in males, <50 mg/dL in females), increased blood pressure (≥130/85 mmHg), and increased fasting glucose level (≥100 mg/dL). Subjects stratified into four groups according to the change of MetS status during the follow-up period: 1,388,850 patients persistent MetS in the serial checkup (MM group), 608,158 in previous healthy but newly diagnosed MetS at 2nd checkup (HM group), 798,555 in the previous MetS but became healthy in 2nd checkup (MH group), and 4,769,968 patients without MetS in both (HH group). Incident AF was followed up till December 2017.
Results
Among those with MetS, 798,555 patients had improved to be healthy (10.6%). In those previous without MetS, 608,158 patients had newly diagnosed as MetS (8.0%) in 2nd checkup. During a mean follow-up of 7.9±0.9 years, incident AF was diagnosed in 135,600 patients (2.3 per 1000 person-year). MM, MH, and HM groups showed an increased risk of AF compared to HH group (Figure). Also, MH group showed a lower risk of AF compared to those with MM group. Regardless of the type of component that meets the MetS criteria, the risk of AF became different according to changing the number of MetS components. The risk of AF increased as the number of MetS components increased, whereas the risk of AF decreased as the number of MetS components decreased.
Risk of AF according to change of MetS
Conclusion
The risk of AF showed association with the dynamic change of MetS status and the variation in the number of MetS components. AF risk was reduced by the improvement in metabolic syndrome and each of MetS components.
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Adam J, Adamczyk L, Adams JR, Adkins JK, Agakishiev G, Aggarwal MM, Ahammed Z, Alekseev I, Anderson DM, Aoyama R, Aparin A, Arkhipkin D, Aschenauer EC, Ashraf MU, Atetalla F, Attri A, Averichev GS, Bairathi V, Barish K, Bassill AJ, Behera A, Bellwied R, Bhasin A, Bhati AK, Bielcik J, Bielcikova J, Bland LC, Bordyuzhin IG, Brandenburg JD, Brandin AV, Bryslawskyj J, Bunzarov I, Butterworth J, Caines H, Calderón de la Barca Sánchez M, Cebra D, Chakaberia I, Chaloupka P, Chan BK, Chang FH, Chang Z, Chankova-Bunzarova N, Chatterjee A, Chattopadhyay S, Chen JH, Chen X, Cheng J, Cherney M, Christie W, Crawford HJ, Csanád M, Das S, Dedovich TG, Deppner IM, Derevschikov AA, Didenko L, Dilks C, Dong X, Drachenberg JL, Dunlop JC, Edmonds T, Elsey N, Engelage J, Eppley G, Esha R, Esumi S, Evdokimov O, Ewigleben J, Eyser O, Fatemi R, Fazio S, Federic P, Fedorisin J, Feng Y, Filip P, Finch E, Fisyak Y, Fulek L, Gagliardi CA, Galatyuk T, Geurts F, Gibson A, Gopal K, Grosnick D, Gupta A, Guryn W, Hamad AI, Hamed A, Harris JW, He L, Heppelmann S, Heppelmann S, Herrmann N, Holub L, Hong Y, Horvat S, Huang B, Huang HZ, Huang SL, Huang T, Huang X, Humanic TJ, Huo P, Igo G, Jacobs WW, Jena C, Jentsch A, Ji Y, Jia J, Jiang K, Jowzaee S, Ju X, Judd EG, Kabana S, Kagamaster S, Kalinkin D, Kang K, Kapukchyan D, Kauder K, Ke HW, Keane D, Kechechyan A, Kelsey M, Khyzhniak YV, Kikoła DP, Kim C, Kinghorn TA, Kisel I, Kisiel A, Kocan M, Kochenda L, Kosarzewski LK, Kramarik L, Kravtsov P, Krueger K, Kulathunga Mudiyanselage N, Kumar L, Kunnawalkam Elayavalli R, Kwasizur JH, Lacey R, Landgraf JM, Lauret J, Lebedev A, Lednicky R, Lee JH, Li C, Li W, Li W, Li X, Li Y, Liang Y, Licenik R, Lin T, Lipiec A, Lisa MA, Liu F, Liu H, Liu P, Liu P, Liu T, Liu X, Liu Y, Liu Z, Ljubicic T, Llope WJ, Lomnitz M, Longacre RS, Luo S, Luo X, Ma GL, Ma L, Ma R, Ma YG, Magdy Abdelwahab Abdelrahman N, Majka R, Mallick D, Margetis S, Markert C, Matis HS, Matonoha O, Mazer JA, Meehan K, Mei JC, Minaev NG, Mioduszewski S, Mishra D, Mohanty B, Mondal MM, Mooney I, Moravcova Z, Morozov DA, Nasim M, Nayak K, Nelson JM, Nemes DB, Nie M, Nigmatkulov G, Niida T, Nogach LV, Nonaka T, Odyniec G, Ogawa A, Oh K, Oh S, Okorokov VA, Page BS, Pak R, Panebratsev Y, Pawlik B, Pawlowska D, Pei H, Perkins C, Pintér RL, Pluta J, Porter J, Posik M, Pruthi NK, Przybycien M, Putschke J, Quintero A, Radhakrishnan SK, Ramachandran S, Ray RL, Reed R, Ritter HG, Roberts JB, Rogachevskiy OV, Romero JL, Ruan L, Rusnak J, Rusnakova O, Sahoo NR, Sahu PK, Salur S, Sandweiss J, Schambach J, Schmidke WB, Schmitz N, Schweid BR, Seck F, Seger J, Sergeeva M, Seto R, Seyboth P, Shah N, Shahaliev E, Shanmuganathan PV, Shao M, Shen F, Shen WQ, Shi SS, Shou QY, Sichtermann EP, Siejka S, Sikora R, Simko M, Singh J, Singha S, Smirnov D, Smirnov N, Solyst W, Sorensen P, Spinka HM, Srivastava B, Stanislaus TDS, Stefaniak M, Stewart DJ, Strikhanov M, Stringfellow B, Suaide AAP, Sugiura T, Sumbera M, Summa B, Sun XM, Sun Y, Sun Y, Surrow B, Svirida DN, Szymanski P, Tang AH, Tang Z, Taranenko A, Tarnowsky T, Thomas JH, Timmins AR, Tlusty D, Todoroki T, Tokarev M, Tomkiel CA, Trentalange S, Tribble RE, Tribedy P, Tripathy SK, Tsai OD, Tu B, Tu Z, Ullrich T, Underwood DG, Upsal I, Van Buren G, Vanek J, Vasiliev AN, Vassiliev I, Videbæk F, Vokal S, Voloshin SA, Wang F, Wang G, Wang P, Wang Y, Wang Y, Webb JC, Wen L, Westfall GD, Wieman H, Wissink SW, Witt R, Wu Y, Xiao ZG, Xie G, Xie W, Xu H, Xu N, Xu QH, Xu YF, Xu Z, Yang C, Yang Q, Yang S, Yang Y, Yang Z, Ye Z, Ye Z, Yi L, Yip K, Yoo IK, Zbroszczyk H, Zha W, Zhang D, Zhang L, Zhang S, Zhang S, Zhang XP, Zhang Y, Zhang Z, Zhao J, Zhong C, Zhou C, Zhu X, Zhu Z, Zurek M, Zyzak M. Polarization of Λ (Λ[over ¯]) Hyperons along the Beam Direction in Au+Au Collisions at sqrt[s_{NN}]=200 GeV. PHYSICAL REVIEW LETTERS 2019; 123:132301. [PMID: 31697517 DOI: 10.1103/physrevlett.123.132301] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 08/21/2019] [Indexed: 06/10/2023]
Abstract
The Λ (Λ[over ¯]) hyperon polarization along the beam direction has been measured in Au+Au collisions at sqrt[s_{NN}]=200 GeV, for the first time in heavy-ion collisions. The polarization dependence on the hyperons' emission angle relative to the elliptic flow plane exhibits a second harmonic sine modulation, indicating a quadrupole pattern of the vorticity component along the beam direction, expected due to elliptic flow. The polarization is found to increase in more peripheral collisions, and shows no strong transverse momentum (p_{T}) dependence at p_{T} greater than 1 GeV/c. The magnitude of the signal is about 5 times smaller than those predicted by hydrodynamic and multiphase transport models; the observed phase of the emission angle dependence is also opposite to these model predictions. In contrast, the kinematic vorticity calculations in the blast-wave model tuned to reproduce particle spectra, elliptic flow, and the azimuthal dependence of the Gaussian source radii measured with the Hanbury Brown-Twiss intensity interferometry technique reproduce well the modulation phase measured in the data and capture the centrality and transverse momentum dependence of the polarization signal.
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Adam J, Adamczyk L, Adams JR, Adkins JK, Agakishiev G, Aggarwal MM, Ahammed Z, Alekseev I, Anderson DM, Aoyama R, Aparin A, Arkhipkin D, Aschenauer EC, Ashraf MU, Atetalla F, Attri A, Averichev GS, Bairathi V, Barish K, Bassill AJ, Behera A, Bellwied R, Bhasin A, Bhati AK, Bielcik J, Bielcikova J, Bland LC, Bordyuzhin IG, Brandenburg JD, Brandin AV, Bryslawskyj J, Bunzarov I, Butterworth J, Caines H, Sánchez MCDLB, Cebra D, Chakaberia I, Chaloupka P, Chan BK, Chang FH, Chang Z, Chankova-Bunzarova N, Chatterjee A, Chattopadhyay S, Chen JH, Chen X, Cheng J, Cherney M, Christie W, Crawford HJ, Csanad M, Das S, Dedovich TG, Deppner IM, Derevschikov AA, Didenko L, Dilks C, Dong X, Drachenberg JL, Dunlop JC, Edmonds T, Elsey N, Engelage J, Eppley G, Esha R, Esumi S, Evdokimov O, Ewigleben J, Eyser O, Fatemi R, Fazio S, Federic P, Fedorisin J, Feng Y, Filip P, Finch E, Fisyak Y, Fulek L, Gagliardi CA, Galatyuk T, Geurts F, Gibson A, Grosnick D, Gupta A, Guryn W, Hamad AI, Hamed A, Harris JW, He L, Heppelmann S, Heppelmann S, Herrmann N, Holub L, Hong Y, Horvat S, Huang B, Huang HZ, Huang SL, Huang T, Huang X, Humanic TJ, Huo P, Igo G, Jacobs WW, Jentsch A, Jia J, Jiang K, Jowzaee S, Ju X, Judd EG, Kabana S, Kagamaster S, Kalinkin D, Kang K, Kapukchyan D, Kauder K, Ke HW, Keane D, Kechechyan A, Kelsey M, Kikoła DP, Kim C, Kinghorn TA, Kisel I, Kisiel A, Kocan M, Kochenda L, Kosarzewski LK, Kramarik L, Kravtsov P, Krueger K, Mudiyanselage NK, Kumar L, Elayavalli RK, Kwasizur JH, Lacey R, Landgraf JM, Lauret J, Lebedev A, Lednicky R, Lee JH, Li C, Li W, Li W, Li X, Li Y, Liang Y, Licenik R, Lin T, Lipiec A, Lisa MA, Liu F, Liu H, Liu P, Liu P, Liu X, Liu Y, Liu Z, Ljubicic T, Llope WJ, Lomnitz M, Longacre RS, Luo S, Luo X, Ma GL, Ma L, Ma R, Ma YG, Magdy N, Majka R, Mallick D, Margetis S, Markert C, Matis HS, Matonoha O, Mazer JA, Meehan K, Mei JC, Minaev NG, Mioduszewski S, Mishra D, Mohanty B, Mondal MM, Mooney I, Moravcova Z, Morozov DA, Nasim M, Nayak K, Nelson JM, Nemes DB, Nie M, Nigmatkulov G, Niida T, Nogach LV, Nonaka T, Odyniec G, Ogawa A, Oh K, Oh S, Okorokov VA, Page BS, Pak R, Panebratsev Y, Pawlik B, Pei H, Perkins C, Pinter RL, Pluta J, Porter J, Posik M, Pruthi NK, Przybycien M, Putschke J, Quintero A, Radhakrishnan SK, Ramachandran S, Ray RL, Reed R, Ritter HG, Roberts JB, Rogachevskiy OV, Romero JL, Ruan L, Rusnak J, Rusnakova O, Sahoo NR, Sahu PK, Salur S, Sandweiss J, Schambach J, Schmidke WB, Schmitz N, Schweid BR, Seck F, Seger J, Sergeeva M, Seto R, Seyboth P, Shah N, Shahaliev E, Shanmuganathan PV, Shao M, Shen F, Shen WQ, Shi SS, Shou QY, Sichtermann EP, Siejka S, Sikora R, Simko M, Singha S, Smirnov D, Smirnov N, Solyst W, Sorensen P, Spinka HM, Srivastava B, Stanislaus TDS, Stewart DJ, Strikhanov M, Stringfellow B, Suaide AAP, Sugiura T, Sumbera M, Summa B, Sun XM, Sun Y, Sun Y, Surrow B, Svirida DN, Szymanski P, Tang AH, Tang Z, Taranenko A, Tarnowsky T, Thomas JH, Timmins AR, Todoroki T, Tokarev M, Tomkiel CA, Trentalange S, Tribble RE, Tribedy P, Tripathy SK, Tsai OD, Tu B, Ullrich T, Underwood DG, Upsal I, Van Buren G, Vanek J, Vasiliev AN, Vassiliev I, Videbæk F, Vokal S, Voloshin SA, Wang F, Wang G, Wang P, Wang Y, Wang Y, Webb JC, Wen L, Westfall GD, Wieman H, Wissink SW, Witt R, Wu Y, Xiao ZG, Xie G, Xie W, Xu H, Xu N, Xu QH, Xu YF, Xu Z, Yang C, Yang Q, Yang S, Yang Y, Ye Z, Ye Z, Yi L, Yip K, Yoo IK, Zbroszczyk H, Zha W, Zhang D, Zhang L, Zhang S, Zhang S, Zhang XP, Zhang Y, Zhang Z, Zhao J, Zhong C, Zhou C, Zhu X, Zhu Z, Zurek MK, Zyzak M. Observation of Excess J/ψ Yield at Very Low Transverse Momenta in Au+Au Collisions at sqrt[s_{NN}]=200 GeV and U+U Collisions at sqrt[s_{NN}]=193 GeV. PHYSICAL REVIEW LETTERS 2019; 123:132302. [PMID: 31697545 DOI: 10.1103/physrevlett.123.132302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 07/21/2019] [Indexed: 06/10/2023]
Abstract
We report on the first measurements of J/ψ production at very low transverse momentum (p_{T}<0.2 GeV/c) in hadronic Au+Au collisions at sqrt[s_{NN}]=200 GeV and U+U collisions at sqrt[s_{NN}]=193 GeV. Remarkably, the inferred nuclear modification factor of J/ψ at midrapidity in Au+Au (U+U) collisions reaches about 24 (52) for p_{T}<0.05 GeV/c in the 60%-80% collision centrality class. This noteworthy enhancement cannot be explained by hadronic production accompanied by cold and hot medium effects. In addition, the dN/dt distribution of J/ψ for the very low p_{T} range is presented for the first time. The distribution is consistent with that expected from the Au nucleus and shows a hint of interference. Comparison of the measurements to theoretical calculations of coherent production shows that the excess yield can be described reasonably well and reveals a partial disruption of coherent production in semicentral collisions, perhaps due to the violent hadronic interactions. Incorporating theoretical calculations, the results strongly suggest that the dramatic enhancement of J/ψ yield observed at extremely low p_{T} originates from coherent photon-nucleus interactions. In particular, coherently produced J/ψ's in violent hadronic collisions may provide a novel probe of the quark-gluon plasma.
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Ahn Y, Seo J, Hwang S, Lee E, Kim J, Park M, Almurayshid A, Yu J, Oh S. 364 Adenosine triphosphate-P2X7 axis mediates melanocyte death and skin trafficking of CD8+ T cells by CXCL9 through inflammasome activation in vitiligo. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.07.366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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109
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Lee S, Kim J, Hwang S, Lee J, Lim B, Oh S. 528 The Senescence-Associated Secretory Phenotype May Play a Role in Idiopathic Guttate Hypomelanosis. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.07.443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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110
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Kang Y, Chin K, Chung H, Kadowaki S, Oh S, Nakayama N, Lee K, Hara H, Chung I, Tsuda M, Park S, Hosaka H, Hironaka S, Miyata Y, Ryu M, Takeuchi M, Baba H, Hyodo I, Bang Y, Boku N. A phase III study of TAS-118 plus oxaliplatin versus S-1 plus cisplatin as first-line chemotherapy in patients with advanced gastric cancer (SOLAR study). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz183.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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111
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Su M, Chen L, Hitre E, Lee W, Bai L, Papai Z, Kang S, Dvorkin M, Lee M, Ludovic E, Choi H, Oh S, Bodoky G, Artru P, Hwang J, Bazin I, Bosc F, Bachet J, Horváth Z, Chang C, Lin J. EndoTAG-1 plus gemcitabine versus gemcitabine alone in patients with measurable locally advanced and/or metastatic adenocarcinoma of the pancreas failed on FOLFIRINOX treatment. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.085] [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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112
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Oh S. SUN-196 BARIATRIC SURGERY REUDCES ELEVATED URINARY MITOCHONDRIAL DNA COPY NUMBER IN OBESE PATIENTS. Kidney Int Rep 2019. [DOI: 10.1016/j.ekir.2019.05.599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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113
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Lim C, Hwang J, Lee J, Oh S. MON-264 Comparison of performance of various estimated glomerular filtration rate equations with measured creatinine clearance from 24-hour urine. Kidney Int Rep 2019. [DOI: 10.1016/j.ekir.2019.05.1068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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114
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Park Y, Lee K, Lee J, Oh S. Prediction of oncologic outcome using systemic neutrophil-to-lymphocyte ratio in stage II and III colon cancer. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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115
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Jeong S, Kim S, Hong J, Park Y, Kang H, Koh Y, Lee G, Lee W, Yang D, Do Y, Kim M, Yoo K, Yun W, Yi J, Jo J, Eom H, Kwak J, Shin H, Park B, Lee J, Yi S, Kwon J, Oh S, Kim H, Sohn B, Won J, Hong D, Lee H, Suh C, Kim W. A PROSPECTIVE REGISTRY STUDY OF PEG-G-CSF PROPHYLAXIS FOR PATIENTS WITH DIFFUSE LARGE B-CELL LYMPHOMA (CISL 1403). Hematol Oncol 2019. [DOI: 10.1002/hon.122_2631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Adam J, Adamczyk L, Adams JR, Adkins JK, Agakishiev G, Aggarwal MM, Ahammed Z, Alekseev I, Anderson DM, Aoyama R, Aparin A, Arkhipkin D, Aschenauer EC, Ashraf MU, Atetalla F, Attri A, Averichev GS, Bai X, Bairathi V, Barish K, Bassill AJ, Behera A, Bellwied R, Bhasin A, Bhati AK, Bielcik J, Bielcikova J, Bland LC, Bordyuzhin IG, Brandenburg JD, Brandin AV, Brown D, Bryslawskyj J, Bunzarov I, Butterworth J, Caines H, Calderón de la Barca Sánchez M, Cebra D, Chakaberia I, Chaloupka P, Chan BK, Chang FH, Chang Z, Chankova-Bunzarova N, Chatterjee A, Chattopadhyay S, Chen JH, Chen X, Chen X, Cheng J, Cherney M, Christie W, Contin G, Crawford HJ, Csanad M, Das S, Dedovich TG, Deppner IM, Derevschikov AA, Didenko L, Dilks C, Dong X, Drachenberg JL, Dunlop JC, Efimov LG, Elsey N, Engelage J, Eppley G, Esha R, Esumi S, Evdokimov O, Ewigleben J, Eyser O, Fatemi R, Fazio S, Federic P, Federicova P, Fedorisin J, Filip P, Finch E, Fisyak Y, Flores CE, Fulek L, Gagliardi CA, Galatyuk T, Geurts F, Gibson A, Grosnick D, Gunarathne DS, Guo Y, Gupta A, Guryn W, Hamad AI, Hamed A, Harlenderova A, Harris JW, He L, Heppelmann S, Heppelmann S, Herrmann N, Hirsch A, Holub L, Hong Y, Horvat S, Huang B, Huang HZ, Huang SL, Huang T, Huang X, Humanic TJ, Huo P, Igo G, Jacobs WW, Jentsch A, Jia J, Jiang K, Jowzaee S, Ju X, Judd EG, Kabana S, Kagamaster S, Kalinkin D, Kang K, Kapukchyan D, Kauder K, Ke HW, Keane D, Kechechyan A, Kikoła DP, Kim C, Kinghorn TA, Kisel I, Kisiel A, Kochenda L, Kosarzewski LK, Kraishan AF, Kramarik L, Krauth L, Kravtsov P, Krueger K, Kulathunga N, Kumar L, Kunnawalkam Elayavalli R, Kvapil J, Kwasizur JH, Lacey R, Landgraf JM, Lauret J, Lebedev A, Lednicky R, Lee JH, Li C, Li W, Li X, Li Y, Liang Y, Lidrych J, Lin T, Lipiec A, Lisa MA, Liu F, Liu H, Liu P, Liu P, Liu Y, Liu Z, Ljubicic T, Llope WJ, Lomnitz M, Longacre RS, Luo S, Luo X, Ma GL, Ma L, Ma R, Ma YG, Magdy N, Majka R, Mallick D, Margetis S, Markert C, Matis HS, Matonoha O, Mazer JA, Meehan K, Mei JC, Minaev NG, Mioduszewski S, Mishra D, Mohanty B, Mondal MM, Mooney I, Morozov DA, Nasim M, Negrete JD, Nelson JM, Nemes DB, Nie M, Nigmatkulov G, Niida T, Nogach LV, Nonaka T, Odyniec G, Ogawa A, Oh K, Oh S, Okorokov VA, Olvitt D, Page BS, Pak R, Panebratsev Y, Pawlik B, Pei H, Perkins C, Pinter RL, Pluta J, Porter J, Posik M, Pruthi NK, Przybycien M, Putschke J, Quintero A, Radhakrishnan SK, Ramachandran S, Ray RL, Reed R, Ritter HG, Roberts JB, Rogachevskiy OV, Romero JL, Ruan L, Rusnak J, Rusnakova O, Sahoo NR, Sahu PK, Salur S, Sandweiss J, Schambach J, Schmah AM, Schmidke WB, Schmitz N, Schweid BR, Seck F, Seger J, Sergeeva M, Seto R, Seyboth P, Shah N, Shahaliev E, Shanmuganathan PV, Shao M, Shen F, Shen WQ, Shi SS, Shou QY, Sichtermann EP, Siejka S, Sikora R, Simko M, Singh J, Singha S, Smirnov D, Smirnov N, Solyst W, Sorensen P, Spinka HM, Srivastava B, Stanislaus TDS, Stewart DJ, Strikhanov M, Stringfellow B, Suaide AAP, Sugiura T, Sumbera M, Summa B, Sun XM, Sun X, Sun Y, Surrow B, Svirida DN, Szymanski P, Tang AH, Tang Z, Taranenko A, Tarnowsky T, Thomas JH, Timmins AR, Tlusty D, Todoroki T, Tokarev M, Tomkiel CA, Trentalange S, Tribble RE, Tribedy P, Tripathy SK, Tsai OD, Tu B, Ullrich T, Underwood DG, Upsal I, Van Buren G, Vanek J, Vasiliev AN, Vassiliev I, Videbæk F, Vokal S, Voloshin SA, Vossen A, Wang F, Wang G, Wang P, Wang Y, Wang Y, Webb JC, Wen L, Westfall GD, Wieman H, Wissink SW, Witt R, Wu Y, Xiao ZG, Xie G, Xie W, Xu J, Xu N, Xu QH, Xu YF, Xu Z, Yang C, Yang Q, Yang S, Yang Y, Ye Z, Ye Z, Yi L, Yip K, Yoo IK, Yu N, Zbroszczyk H, Zha W, Zhang J, Zhang J, Zhang L, Zhang S, Zhang S, Zhang XP, Zhang Y, Zhang Z, Zhao J, Zhong C, Zhou C, Zhu X, Zhu Z, Zyzak M. Azimuthal Harmonics in Small and Large Collision Systems at RHIC Top Energies. PHYSICAL REVIEW LETTERS 2019; 122:172301. [PMID: 31107064 DOI: 10.1103/physrevlett.122.172301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 03/26/2019] [Indexed: 06/09/2023]
Abstract
The first (v_{1}^{fluc}), second (v_{2}), and third (v_{3}) harmonic coefficients of the azimuthal particle distribution at midrapidity are extracted for charged hadrons and studied as a function of transverse momentum (p_{T}) and mean charged particle multiplicity density ⟨N_{ch}⟩ in U+U (sqrt[s_{NN}]=193 GeV), Au+Au, Cu+Au, Cu+Cu, d+Au, and p+Au collisions at sqrt[s_{NN}]=200 GeV with the STAR detector. For the same ⟨N_{ch}⟩, the v_{1}^{fluc} and v_{3} coefficients are observed to be independent of the collision system, while v_{2} exhibits such a scaling only when normalized by the initial-state eccentricity (ϵ_{2}). The data also show that ln(v_{2}/ϵ_{2}) scales linearly with ⟨N_{ch}⟩^{-1/3}. These measurements provide insight into initial-geometry fluctuations and the role of viscous hydrodynamic attenuation on v_{n} from small to large collision systems.
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SIVALINGAM J, Oh S. Development of a scalable agitation suspension culture differentiation platform for generating erythroid cells from O-negative human induced pluripotent stem cells. Cytotherapy 2019. [DOI: 10.1016/j.jcyt.2019.03.589] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Choi H, Cho E, Lee S, Bae I, Min D, Oh S, Marinho P, Kim H. 890 Development of pigmented reconstructed human epidermis model containing human melanoblasts from keratinocyte culture. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.03.966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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119
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Warkiani ME, Moloudi R, Oh S, Naing MW. Inertial-based Microcarrier-cell retention in bioprocessing. Cytotherapy 2019. [DOI: 10.1016/j.jcyt.2019.04.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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120
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Seo MR, Chae J, Kim YM, Cha HS, Choi SJ, Oh S, Roh CR. Hydroxychloroquine treatment during pregnancy in lupus patients is associated with lower risk of preeclampsia. Lupus 2019; 28:722-730. [DOI: 10.1177/0961203319843343] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Hydroxychloroquine (HCQ) is regarded as a mainstay in the treatment of systemic lupus erythematosus (SLE) because of its efficacy in preventing flares, achieving remission, and reducing overall mortality. However, the impact of HCQ on pregnancy outcomes remains controversial. Objective We aimed to investigate the effect of HCQ on pregnancy outcomes in patients with SLE. Methods We performed a retrospective cohort study of 151 pregnancies in 122 patients with SLE (80 pregnancies in the HCQ treatment group and 71 pregnancies in the HCQ nontreatment group). We reviewed baseline characteristics including maternal comorbidities such as antiphospholipid syndrome, lupus nephritis, and autoimmune hepatitis. Pregnancy outcomes (preeclampsia, preterm delivery, and fetal growth restriction) and neonatal outcomes (gestational age at delivery and birth weight) were compared between HCQ treatment and nontreatment groups. Results Preeclampsia was significantly less complicated (7.5% vs 19.7%, p = 0.032) and neonatal birth weight was significantly greater (2757.0 ± 583.5 g vs 2542.3 ± 908.3 g, p = 0.001) in the HCQ treatment group than in the HCQ nontreatment group. Multiple logistic analysis adjusting for body mass index (BMI), lupus nephritis, serum uric acid, and estimated glomerular filtration rate revealed HCQ treatment was associated with exceedingly lower risk of preeclampsia in SLE pregnancy (odds ratio (OR) 0.106 (confidence interval (CI) 0.017–0.671)). Other independent risk factors for preeclampsia were a high prepregnancy BMI (OR 1.575 (CI 1.114–2.227)) and low eGFR level (OR 0.931 (CI 0.886–0.979)) before pregnancy. Conclusion Our data showed pregnancy outcomes in SLE patients can be improved in the HCQ treatment group with about 90% reduction of preeclampsia.
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Son S, Koh J, Park M, Ryu S, Lee W, Yun B, Lee JH, Oh S, Kim Y. Effect of the Lactobacillus rhamnosus strain GG and tagatose as a synbiotic combination in a dextran sulfate sodium-induced colitis murine model. J Dairy Sci 2019; 102:2844-2853. [DOI: 10.3168/jds.2018-15013] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 07/09/2018] [Indexed: 12/30/2022]
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122
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Yong C, Lim J, Kim B, Park D, Oh S. Suppressive effect ofLactobacillus fermentumLim2 onClostridioides difficile027 toxin production. Lett Appl Microbiol 2019; 68:386-393. [DOI: 10.1111/lam.13124] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 01/24/2019] [Accepted: 01/28/2019] [Indexed: 01/05/2023]
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123
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Kim Y, Cubbin C, Oh S. A systematic review of neighbourhood economic context on child obesity and obesity-related behaviours. Obes Rev 2019; 20:420-431. [PMID: 30515953 PMCID: PMC10905974 DOI: 10.1111/obr.12792] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Revised: 09/03/2018] [Accepted: 09/24/2018] [Indexed: 11/30/2022]
Abstract
Childhood obesity is of great importance given a third of children in the USA are overweight or obese. Previous research has examined neighbourhood economic context in relation to children's obesity and obesity-rated behaviours. However, different definitions and measures of neighbourhood context make it difficult to compare findings and make definitive conclusions. This review is to synthesize studies assessing the associations between neighbourhood economic context and children's obesity or obesity-related behaviours. The review included 39 studies investigating the relationship between residential neighbourhood economic context and children's obesity, dietary habits or physical activity after controlling for family-level economic status. Studies reported mixed results in the relationship between neighbourhood economic indicators and child obesity outcomes. Of reviewed studies, 60% showed an inverse association between higher neighbourhood economic status and obesity, and 33% and 14% showed positive associations between higher neighbourhood economic status and healthy dietary habits or physical activity. Several studies suggested gender, age, race/ethnicity, individual-level economic status, rurality and social connectedness as moderators in the neighbourhood-obesity association. Findings suggest that, in order to move towards causal inferences and inform interventions, future research should examine neighbourhood impacts longitudinally and test theory-driven mediators and moderators to clarify the mechanisms by which neighbourhoods influence child obesity.
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Choe J, Cho J, Kim J, Kim B, Kim S, Lee J, Mun D, Oh S, Kim Y, Kim H, Song M. Palm kernel expellers as an alternative ingredient in growing pig diets. S AFR J ANIM SCI 2019. [DOI: 10.4314/sajas.v48i6.20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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125
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Oh S, Jang JH, Kim HJ, Seo NS, Byun SH, Kim SW, Kim DS. Long-term Follow-up of Complicated Crown Fracture With Fragment Reattachment: Two Case Reports. Oper Dent 2019; 44:574-580. [PMID: 30702408 DOI: 10.2341/18-201-t] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Two cases of complicated crown fracture of the maxillary incisors were restored using the fragment reattachment technique. Root canal treatment was performed, and the fractured fragment was bonded to the tooth structure using a dentin adhesive system and a flowable composite resin, followed by the insertion of a fiber post using dual-cured resin cement. Reattached fragments have shown reliable prognosis without inflammatory signs around bonded junctions after long-term follow-up.
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