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Ryu H, Song C, Kim J, Jeon J, Cho S, Kim K, Jheon S, Kim S, Kim Y, Lee J. PO-1241 Role of Prognostic Nutritional Index in Postoperative Radiotherapy for Non-Small Cell Lung Cancer. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)03205-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Yim J, Son N, Kim K, Yoon D, Cho Y, Lee S, Park Y, Kim K, Lee J, Kim J. W054 Suggestion of cystatin C indication using muscle mass-based parameter for the desirable prediction of glomerular filtration rate. Clin Chim Acta 2022. [DOI: 10.1016/j.cca.2022.04.185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Kim J, Kim K, Jung W, Shin K, Im S, Kim H, Kim Y, Chang J, Kim J, Choi D, Park Y, Kim D, Kim T, Choi B, Lee S, Kim S, Kwon J, Kang K, Chung W, Kim K, Nam J, Yoon W, Cha J, Oh Y, Kim I. PO-1219 Pattern of care for brain metastasis from breast cancer over the past 10 years in Korea. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)03183-8] [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]
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Kim K, Cho G, Kim K, Choi S. PO-1588 Dosimetric Characteristics of Photoconductive Material for High Energy Beam in Radiation Therapy. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)03552-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kim K, Jeong I, Moon H. M291 A survey on antinuclear antibodies testing in Korea. Clin Chim Acta 2022. [DOI: 10.1016/j.cca.2022.04.347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Han A, Kim K, Choi H, Noh H, Cho IJ, Lim S, Lee J. 19P Usefulness of Hounsfield unit on computed tomography, serum neutrophil to lymphocyte ratio, and their combination as prognostic factor in patients with breast cancer. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.03.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Sancar G, Liu S, Gasser E, Alvarez JG, Moutos C, Kim K, van Zutphen T, Wang Y, Huddy TF, Ross B, Dai Y, Zepeda D, Collins B, Tilley E, Kolar MJ, Yu RT, Atkins AR, van Dijk TH, Saghatelian A, Jonker JW, Downes M, Evans RM. FGF1 and insulin control lipolysis by convergent pathways. Cell Metab 2022; 34:171-183.e6. [PMID: 34986332 PMCID: PMC8863067 DOI: 10.1016/j.cmet.2021.12.004] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 09/08/2021] [Accepted: 12/06/2021] [Indexed: 01/07/2023]
Abstract
Inexorable increases in insulin resistance, lipolysis, and hepatic glucose production (HGP) are hallmarks of type 2 diabetes. Previously, we showed that peripheral delivery of exogenous fibroblast growth factor 1 (FGF1) has robust anti-diabetic effects mediated by the adipose FGF receptor (FGFR) 1. However, its mechanism of action is not known. Here, we report that FGF1 acutely lowers HGP by suppressing adipose lipolysis. On a molecular level, FGF1 inhibits the cAMP-protein kinase A axis by activating phosphodiesterase 4D (PDE4D), which separates it mechanistically from the inhibitory actions of insulin via PDE3B. We identify Ser44 as an FGF1-induced regulatory phosphorylation site in PDE4D that is modulated by the feed-fast cycle. These findings establish the FGF1/PDE4 pathway as an alternate regulator of the adipose-HGP axis and identify FGF1 as an unrecognized regulator of fatty acid homeostasis.
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Kim K, Hecker T, Perry R, Ullah S, Gunton J, Joseph M. Assessment of Myocardial Work Using Echocardiography in Predicting Major Adverse Cardiac Events in Patients With Acute Coronary Syndrome. Heart Lung Circ 2022. [DOI: 10.1016/j.hlc.2022.06.221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Kim K, Hecker T, Perry R, Ullah S, Gunton J, Joseph M. Baseline Myocardial Work on Echocardiography Reflects the Severity of Coronary Disease in Patients Presenting with Acute Coronary Syndrome. Heart Lung Circ 2022. [DOI: 10.1016/j.hlc.2022.06.228] [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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Youk S, Le MT, Kang M, Ahn B, Choi M, Kim K, Kim TH, Kim JH, Ho CS, Park C. Development of a high-resolution typing method for SLA-3, swine MHC class I antigen 3. Anim Genet 2021; 53:166-170. [PMID: 34910829 DOI: 10.1111/age.13161] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/24/2021] [Indexed: 10/19/2022]
Abstract
We developed a high-resolution and comprehensive typing method for swine leukocyte antigen 3 (SLA-3), an MHC class I gene, employing locus-specific genomic PCR followed by subsequent direct sequencing. A total of 292 individuals from nine pure, one cross-breed and six cell lines were successfully typed. A total of 21 SLA-3 alleles were identified, of which four were found to be novel alleles. However, the allelic diversity of SLA-3 was lower than that of previously reported class I genes, SLA-1 and -2. More SLA-3 alleles were observed in the Landrace and Yorkshire breeds than the other breeds. SLA-3*04:01 was identified in seven out of nine breeds and was the most widely distributed allele across all breeds. Therefore, the typing method reported in this study completes our efforts to develop high-resolution typing methods for major SLA molecules, facilitating the combined analysis of major SLA genes from field samples, which is important to understand the relationship between the adaptive immune responses against pathogens and the immunogenetic makeup of an individual.
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Lee H, Shin K, Kim K, Kim J, Chang J. The Acute and Late Toxicities of MRI-Guided External Beam Partial Breast Irradiation Delivered Using a Once-per-Day Regimen. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.719] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Lee C, Kim K, Kim H, Kwon W, Jang J, Lee K, Oh D, Kim H, Lee K, Chie E. Role of Adjuvant Chemoradiotherapy in Perihilar Bile Duct Cancer: A Single Institutional Long-Term Follow Up Analysis. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.390] [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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Lee T, Kim I, Kim J, Song C, Kim Y, Kim K, No J, Suh D, Chung J, Eom K. Stereotactic Ablative Body Radiotherapy Boost for Cervical Cancer When Brachytherapy Boost is Not Feasible. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.1640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Kim K, Doucette A, Amaniera I, Baumann B, Harton J, Gabriel P, Mitra N, Lukens J, Swisher-McClure S, Lin A, Metz J, Wojcieszynski A. Acute Toxicity in Patients Treated With Proton vs. Photon Chemoradiotherapy for Locally Advanced Head and Neck Cancer. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.1097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Khan I, Tomlinson K, Fields B, Rosenberg G, Yehezkel D, Kim K, Cloonan S, Avraham R, Prince A, Riquelme S. 420: Extracellular polysaccharides are metabolo-stimulatory ligands that favor Pseudomonas aeruginosa iron scavenging. J Cyst Fibros 2021. [DOI: 10.1016/s1569-1993(21)01844-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Kim K, Oh S, Lee J, Hong YS. A population-based study for difference in contribution of type 2 diabetes mellitus to cardiovascular outcomes in adult cancer survivors and general population without history of cancer. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2840] [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/Introduction
Type 2 diabetes mellitus (T2DM) is a well-established risk factor for cardiovascular disease (CVD). However, evidence is scarce on the difference in burden of T2DM as a cardiovascular risk factor in adult cancer survivors compared to the general population without history of cancer. This evidence gap needs to be addressed as increased risk for CVD in adult cancer survivors compared to the general population has been consistently reported from observational studies.
Purpose
To investigate the association of T2DM with CVD in adult cancer survivors and general population without history of cancer and compare the magnitude of associations for each population using propensity score-matched analyses
Methods
For this population-based cohort study, we used the National Health Insurance Service-National Sample Cohort (NHIS-NSC) established in the Republic of Korea (2002–2015) to identity adult cancer survivors who were aged 18 years or older and survived more than 12 months after the first-ever cancer diagnosis and general population without history of cancer matched for age and sex in a 1:1 ratio. In both cohorts, those with history of CVD prior to the index date were excluded. We used Cox proportional hazards model to compute hazard ratios (HR) and 95% confidence intervals (95% CI) for incident CVD in those with T2DM compared to those without T2DM in both adult cancer survivors and the general population after adjusting for shared confounding factors (income status, cigarette smoking, alcohol consumption, physical inactivity, body mass index, blood pressure, lipid abnormalities, family history of CVD, and aspirin use). Furthermore, we used Q statistic to compare the magnitude of association between T2DM and CVD in this matched cohort.
Results
The overall age and sex matched cohort in the NHIS-NSC comprised of 5,163 adult cancer survivors and the equivalent number of participants categorized as general population without history of cancer. The adjusted HR for CVD among adult cancer survivors with T2DM, as compared to without T2DM was 2.27 (95% CI: 1.25–4.11). Similarly, T2DM was associated with an increased risk of CVD in the general population without cancer (HR=1.88; 95% CI: 1.03–3.42). However, no strong statistical evidence was found for difference in contribution of T2DM to CVD risk between adult cancer survivors and general population without history of cancer (Pheterogeneity = 0.662).
Conclusions
In this population-based cohort study, T2DM was associated with an increased risk for CVD in both adult cancer survivors and those without history of cancer. Difference in magnitude of T2DM-CVD associations between adult cancer survivors and the general population without history of cancer was not substantial from a statistical standpoint. However, adult cancer survivor with T2DM may still need additional clinical attention for CVD prevention compared to those without history of cancer.
Funding Acknowledgement
Type of funding sources: Public grant(s) – National budget only. Main funding source(s): National Cancer Center (Republic of Korea)
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Oh Y, Munshi N, Kim K. TRANSCRIPTOMIC HETEROGENEITY OF THE POSTNATAL ATRIOVENTRICULAR CONDUCTION SYSTEM AT A SINGLE-CELL RESOLUTION. Can J Cardiol 2021. [DOI: 10.1016/j.cjca.2021.07.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Yegya-Raman N, Kegelman T, Kim K, Kallan M, Levin W, Cengel K, Langer C, Cohen R, Aggarwal C, Singh A, Bauml J, Adusumalli S, Denduluri S, O'Quinn R, Ky B, Berman A, Feigenberg S. MA06.01 Death From Intercurrent Disease After Proton- Versus Photon-Based Chemoradiotherapy for Non-Small Cell Lung Cancer. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Comeglio P, Sarchielli E, Filippi S, Cellai I, Guarnieri G, Morelli A, Rastrelli G, Maseroli E, Cipriani S, Mello T, Galli A, Bruno BJ, Kim K, Vangara K, Papangkorn K, Chidambaram N, Patel MV, Maggi M, Vignozzi L. Treatment potential of LPCN 1144 on liver health and metabolic regulation in a non-genomic, high fat diet induced NASH rabbit model. J Endocrinol Invest 2021; 44:2175-2193. [PMID: 33586025 PMCID: PMC8421272 DOI: 10.1007/s40618-021-01522-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 01/27/2021] [Indexed: 12/14/2022]
Abstract
PURPOSE Low free testosterone (T) level in men is independently associated with presence and severity of Non-Alcoholic Steatohepatitis (NASH). The histological and molecular effects of oral testosterone prodrug LPCN 1144 treatment on hepatic fibrosis and NASH features are unknown. A metabolic syndrome-induced NASH model in rabbits consuming high fat diet (HFD) has been previously used to assess treatment effects of injectable T on hepatic fibrosis and NASH features. Here we present results on LPCN 1144 in this HFD-induced, NASH preclinical model. METHODS Male rabbits were randomly assigned to five groups: regular diet (RD), HFD, HFD + 1144 vehicle (HFD + Veh), HFD + 1144 (1144), and HFD + 1144 + α-tocopherol (1144 + ALPHA). Rabbits were sacrificed after 12 weeks for liver histological, biochemical and genetic analyses. Histological scores were obtained through Giemsa (inflammation), Masson's trichrome (steatosis and ballooning), and Picrosirius Red (fibrosis) staining. RESULTS Compared to RD, HFD and HFD + Veh significantly worsened NASH features and hepatic fibrosis. Considering HFD and HFD + Veh arms, histological and biomarker features were not significantly different. Both 1144 and 1144 + ALPHA arms improved mean histological scores of NASH as compared to HFD arm. Importantly, percentage of fibrosis was improved in both 1144 (p < 0.05) and 1144 + ALPHA (p = 0.05) treatment arms vs. HFD. Both treatment arms also reduced HFD-induced inflammation and fibrosis mRNA markers. Furthermore, 1144 treatments significantly improved HFD-induced metabolic dysfunctions. CONCLUSIONS Histological and biomarker analyses demonstrate that LPCN 1144 improved HFD-induced hepatic fibrosis and NASH biochemical, biomolecular and histochemical features. These preclinical findings support a therapeutic potential of LPCN 1144 in the treatment of NASH and of hepatic fibrosis.
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Liu W, Oh Y, Yin W, Kim R, Zhou Y, Zhang X, Mo R, Puviindran V, Sriranjan S, van Eede M, Henkelman M, Bruneau B, Hui C, Kim K. THE COMBINATORIAL ROLE OF IROQUOIS HOMEOBOX GENES 3 AND 4 IN THE COMPACTION OF THE VENTRICULAR MYOCARDIUM. Can J Cardiol 2021. [DOI: 10.1016/j.cjca.2021.07.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Kwon K, Mukherjee K, Huh SJ, Kim K, Mistakidis SI, Maity DK, Kevrekidis PG, Majumder S, Schmelcher P, Choi JY. Spontaneous Formation of Star-Shaped Surface Patterns in a Driven Bose-Einstein Condensate. PHYSICAL REVIEW LETTERS 2021; 127:113001. [PMID: 34558915 DOI: 10.1103/physrevlett.127.113001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 08/03/2021] [Indexed: 06/13/2023]
Abstract
We observe experimentally the spontaneous formation of star-shaped surface patterns in driven Bose-Einstein condensates. Two-dimensional star-shaped patterns with l-fold symmetry, ranging from quadrupole (l=2) to heptagon modes (l=7), are parametrically excited by modulating the scattering length near the Feshbach resonance. An effective Mathieu equation and Floquet analysis are utilized, relating the instability conditions to the dispersion of the surface modes in a trapped superfluid. Identifying the resonant frequencies of the patterns, we precisely measure the dispersion relation of the collective excitations. The oscillation amplitude of the surface excitations increases exponentially during the modulation. We find that only the l=6 mode is unstable due to its emergent coupling with the dipole motion of the cloud. Our experimental results are in excellent agreement with the mean-field framework. Our work opens a new pathway for generating higher-lying collective excitations with applications, such as the probing of exotic properties of quantum fluids and providing a generation mechanism of quantum turbulence.
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Yoo IS, Kim D, Kim K, Park SH. Change in the Shrinkage Forces of Composite Resins According to Controlled Deflection. Oper Dent 2021; 46:577-588. [PMID: 35486505 DOI: 10.2341/20-196-l] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/27/2020] [Indexed: 11/23/2022]
Abstract
The aim of this study was to investigate how the polymerization shrinkage forces of composite resins change with change in deflection. Five composites, SDR (Dentsply Caulk, Milford, DE, USA), EcuSphere-Shape (DMG, Hamburg, Germany), Tetric N-Ceram Bulk Fill (Ivoclar Vivadent, Schaan, Liechtenstein), CLEARFIL AP-X (Kuraray Noritake Dental Inc., Sakazu, Kurashiki, Okayama, Japan), and Filtek Z350 XT (3M Dental Products, St Paul, MN, USA), were tested in this experiment. The polymerization shrinkage forces of the composites were measured using a custom-made tooth-deflection-mimicking device and software (R&B Inc, Daejon, Korea). In all measurements, six modes were tested: maximum-deflection, zero-deflection, and four deflection-controlled modes. For each deflection mode, the shrinkage forces were recorded continuously every 0.1 second for 180 seconds. Polymerization shrinkage and flexural modulus were also measured. Eight specimens of each material were allocated for each test. For each material, six groups of shrinkage force values were compared using one-way ANOVA and Tukey post hoc tests at a 95% confidence level. The polymerization shrinkage force of each material in each of the six deflection modes was analyzed with 95% confidence using one-way ANOVA and Tukey post hoc tests. The relationship between the force measured in the six deflection modes and the linear polymerization shrinkage and flexural modulus was analysed with 95% confidence using Pearson correlation analysis. For each material, the following held true: the shrinkage force was highest in zero-deflection mode, the force decreased as deflection increased, and the smallest force appeared in maximum-deflection mode (p<0.05). There was a high negative correlation between allowable deflection and shrinkage force in all materials.
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Kim K, Kim H. LB725 Skin barrier formation by epigenetic regulation of EGR3. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.07.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Kim K, Song SH, Kim IJ, Jeon YK. Is dual-energy absorptiometry accurate in the assessment of bone status of patients with chronic kidney disease? Osteoporos Int 2021; 32:1859-1868. [PMID: 33598794 DOI: 10.1007/s00198-020-05670-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 10/05/2020] [Indexed: 02/06/2023]
Abstract
UNLABELLED Several patients with chronic kidney disease (CKD) have deteriorated bone status. Estimation of bone status using DXA has limitations especially in patients with CKD accompanying aortic calcifications. Quantitative CT and the trabecular bone score could be more accurate methods to estimate bone status for patients with CKD and vascular calcifications. INTRODUCTION It remains unclear whether dual-energy absorptiometry (DXA) is appropriate for the assessment of bone status in patients with chronic kidney disease (CKD), a disease that impacts bone health. The aims of this study were to compare DXA and central quantitative computed tomography (cQCT) and to evaluate bone status in patients with pre-dialysis CKD. METHODS This retrospective study included 363 healthy control subjects whose bone mineral density (BMD) was evaluated with DXA and 117 CKD patients whose BMD was evaluated using both cQCT and DXA. Diagnostic discordance was assessed between the lumbar spine (LS) and femur neck (FN) from DXA or between two modalities. The trabecular bone score (TBS) was extracted from DXA images. The volume of abdominal aortic calcification (AAC) was calculated using CT images from cQCT. RESULTS Using LS DXA T-score, osteoporosis was less common in the CKD group than in controls. Patients with normal LS BMD using DXA were reclassified into osteopenia or osteoporosis using cQCT in CKD patients. Among discordant subjects between FN and LS in DXA, a higher BMD of LS was more common in CKD patients than in controls. CKD patients had lower TBS than controls despite having the same diagnosis using DXA. AAC volume negatively correlated with BMD from cQCT and with TBS but not with BMD from DXA. CONCLUSIONS TBS and cQCT could accurately assess bone status in CKD patients since DXA may overestimate LS BMD, likely due to an increased AAC volume.
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Kim JS, Kim K. Electronic cigarette use and suicidal behaviors among adolescents. J Public Health (Oxf) 2021; 43:274-280. [PMID: 31334765 DOI: 10.1093/pubmed/fdz086] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 06/11/2019] [Accepted: 06/29/2019] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND The aim of this study was to investigate the association of the use of e-cigarettes, which are regarded as alternatives to traditional cigarettes and are easy to purchase, with suicidal behaviors in adolescents. METHODS Data for 5405 middle and high school students aged 13-18 years who had used e-cigarettes were extracted from the 2016 Korean Youth Risk Behavior Web-Based Survey and analyzed using multiple logistic regression. RESULTS Among those who used e-cigarettes for 1-30 days in the past 30 days, suicidal ideation (odds ratio [OR] = 1.58, 95% CI, 1.31-1.89), suicidal plans (OR = 2.44, 95% CI, 1.94-3.08), suicidal attempts (OR = 2.44, 95% CI, 1.85-3.22) and serious attempts (OR = 3.09, 95% CI, 1.51-6.32) were higher compared to those who did not use an e-cigarette in the past 30 days. CONCLUSIONS Suicidal behaviors are significantly higher among current adolescent e-cigarette smokers than adolescents who have not used an e-cigarette in the past 30 days. Therefore, comprehensive intervention is needed to protect adolescents' mental health.
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