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Chen R, Tharakan T, Jayasena C, Lewis S, Parikh J, Thum MY, Nicopoullos J, Yap T, Minhas S. Does intracytoplasmic morphologically selected sperm injection improve live birth rates compared to ICSI in men with infertility and raised sperm DNA fragmentation? Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)00890-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Zhu H, Zhou R, Qi N, Zhao F, Li Z, Wang S, Wang J, Chen R, Wen R. Efficacy and safety of anlotinib in metastatic renal cell carcinoma: A single-center retrospective study. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)00939-8] [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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Ma L, Wu B, Jin X, Sun Y, Kong X, Ji Z, Chen R, Cui X, Shi H, Jiang L. POS0817 A NOVEL MODEL TO ASSESS DISEASE ACTIVITY IN TAKAYASU ARTERITIS BASED ON 18F-FDG-PET/CT: A CHINESE COHORT STUDY. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.3739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Takayasu arteritis (TA) is a condition characterized by major large-vessel vasculitis (LVV), and is most commonly found in young women (age <40 years) of East Asia countries. 18F-FDG-PET/CT has been widely used in the diagnosis and follow-up of cancers to gather functional information based on metabolic activity. In the present study, we evaluated the value of different parameters in 18F-FDG-PET/CT for assessing active TA disease, and we establish a simple, quantifiable, and effective disease activity evaluation model based on 18F-FDG-PET/CT. A comparison in the ability to identify active disease was performed between the established Kerr score and the new 18F-FDG-PET/CT was also performed.Objectives:To investigate the utility of 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG-PET/CT) in assessing disease activity in TA.Methods:Ninety-one patients with TA, were recruited from a Chinese cohort from October 2017 to January 2019. Clinical data, acute-phase reactants (APRs), and 18F-FDG-PET/CT findings were simultaneously recorded. The Physician Global Assessment was used as the gold standard to assess TA disease activity. The value of using 18F-FDG-PET/CT to identify active disease was evaluated, using erythrocyte sedimentation rate (ESR) as a reference. Disease activity assessment models were constructed and concordance index (C-index), net reclassification index (NRI), and integrated discrimination index (IDI) were evaluated to compare the benefits of the new modes with ESR and Kerr score.Results:In total, 64 (70.3%) cases showed active disease. Higher levels of ESR and CRP, and lower interleukin (IL)-2R levels, were observed in active cases. 18F-FDG-PET/CT parameters, including SUVmean, SUVratio1, SUVratio2, sum of SUVmean, and sum of SUVmax, were significantly higher in active disease groups. The C index threshold of ESR to indicate active disease was 0.78 (95% CI: 0.69-0.88). The new activity assessment model combining ESR, sum of SUVmean, and IL-2R showed significant improvement in C index over the ESR method (0.96 vs. 0.78, P < 0.01; NRI 1.63, P < 0.01; and IDI 0.48, P < 0.01). The new model also demonstrated modest superiority to Kerr score assessment (0.96 vs. 0.87, P = 0.03; NRI 1.19, P < 0.01; and IDI 0.33 P < 0.01).Conclusion:A novel 18F-FDG-PET/CT-based method that involves combining the sum of SUVmean with ESR score and IL-2R levels demonstrated superiority in identifying active TA compared to conventional methods.References:[1]Kerr GS, Hallahan CW, Giordano J, Leavitt RY, Fauci AS, Rottem M, et al. Takayasu arteritis. Ann Intern Med 1994;120:919-29.[2]Hoffman GS, Ahmed AE. Surrogate markers of disease activity in patients with Takayasu arteritis. A preliminary report from The International Network for the Study of the Systemic Vasculitides (INSSYS). Int J Cardiol 1998;66 Suppl 1:S191-4; discussion S195.[3]Misra R, Danda D, Rajappa SM, Ghosh A, Gupta R, Mahendranath KM, et al. Development and initial validation of the Indian Takayasu Clinical Activity Score (ITAS2010). Rheumatology (Oxford) 2013;52:1795-801.[4]Bardi M, Diamantopoulos AP. EULAR recommendations for the use of imaging in large vessel vasculitis in clinical practice summary. Radiol Med 2019;124:965-972.[5]Spick C, Herrmann K, Czernin J. 18F-FDG PET/CT and PET/MRI Perform Equally Well in Cancer: Evidence from Studies on More Than 2,300 Patients. J Nucl Med 2016;57:420-30.Disclosure of Interests:None declared
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Chen R, Ma L, Liu Y, Ma L, Jiang L. POS0816 PROGNOSTIC FACTORS FOR AGGRAVATED VASCULAR DAMAGE IN TAKAYASU ARTERITIS. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.3720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Takayasu arteritis is a rare disease characterized by inflammation in the aorta and its branches. Some patients were discovered to suffer the aggravated vascular damage (AVD), monitored by imaging techniques, even with the effective anti-inflammation treatment. But the general characteristics and the related prognostic factors of AVD in TA were unclear yet.Objectives:We aimed to describe the characteristics of the AVD and identify its prognostic factors in TA.Methods:From the living East China Takayasu arteritis cohort, patients who underwent at least two magnetic resonance angiography (MRA) examinations at Zhongshan Hospital from April 2009 to April 2019 were enrolled as the derivation cohort to explore the prognostic factors of AVD in MRA. An independent group of patients from May 2019 to July 2020 comprising the validation cohort were used to validate the nomogram formed by these prognostic factors.Results:Among 235 enrolled patients, 69 patients (29.3%) suffered AVD with the median follow-up of 14 months. The limb arteries were the most vulnerable and the aggravated vascular stenosis were the most commonly seen in AVD. Patients with AVD were younger, had higher complement 4 levels at baseline, and lower disease remission rate at 6 months. Multivariate cox regression analysis revealed that younger age (HR: 0.25-0.42, 95%CI: 0.09-0.91), higher CRP levels (HR = 2.57, 95%CI: 1.51–4.36) at baseline, and lower remission rate at 6 months (HR = 0.36, 95%CI: 0.21–0.64) were significant predictors. In the validation cohort of 65 patients, 19 cases had AVD. The predictive nomogram based on these factors achieved C-indices of 0.745 and 0.641 in the derivation and validation cohort respectively.Conclusion:Totally, 29.3% of patients suffered AVD, among which the aggravated vascular stenosis and limb arteries involvement were most commonly seen. Younger age, higher CRP at baseline, and lower disease remission rate at 6 months were prognostic factors for AVD.References:[1]M. Bredemeier, C.M. Rocha, M.V. Barbosa, E.H. Pitrez. One-year clinical and radiological evolution of a patient with refractory Takayasu’s arteritis under treatment with tocilizumab. Clin Exp Rheumatol 2012; 30 (Suppl. 70): S98-S100.Disclosure of Interests:None declared
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Zhu H, Sha Y, Wu W, Chen R, Yang Y, Qiu J, Mi H, Peng C, Ding C, Wang Z, Fan L, Xu W, Li J. ZANUBRUTINIB, LENALIDOMIDE PLUS R‐CHOP (ZR
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‐CHOP) AS THE TREATMENT FOR DIFFUSED LARGE B‐CELL LYMPHOMA (DLBCL). Hematol Oncol 2021. [DOI: 10.1002/hon.49_2881] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Wang K, Li Y, Wang J, Chen R, Li J. A novel 12-gene signature as independent prognostic model in stage IA and IB lung squamous cell carcinoma patients. Clin Transl Oncol 2021; 23:2368-2381. [PMID: 34028782 DOI: 10.1007/s12094-021-02638-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 05/06/2021] [Indexed: 12/25/2022]
Abstract
BACKGROUND There is currently no formal consensus on the administration of adjuvant chemotherapy to stage I lung squamous cell carcinoma (LUSC) patients despite the poor prognosis. The side effects of adjuvant chemotherapy need to be balanced against the risk of tumour recurrence. Prognostic markers are thus needed to identify those at higher risks and recommend individualised treatment regimens. METHODS Clinical and sequencing data of stage I patients were retrieved from the Lung Squamous Cell Carcinoma project of the Cancer Genome Atlas (TCGA) and three tissue microarray datasets. In a novel K-resample gene selection algorithm, gene-wise Cox proportional hazard regressions were repeated for 50 iterations with random resamples from the TCGA training dataset. The top 200 genes with the best predictive power for survival were chosen to undergo an L1-penalised Cox regression for further gene selection. RESULTS A total of 602 samples of LUSC were included, of which 42.2% came from female patients, 45.3% were stage IA cancer. From an initial pool of 11,212 genes in the TCGA training dataset, a final set of 12 genes were selected to construct the multivariate Cox prognostic model. Among the 12 selected genes, 5 genes, STAU1, ADGRF1, ATF7IP2, MALL and KRT23, were adverse prognostic factors for patients, while seven genes, NDUFB1, CNPY2, ZNF394, PIN4, FZD8, NBPF26 and EPYC, were positive prognostic factors. An equation for risk score was thus constructed from the final multivariate Cox model. The model performance was tested in the sequestered TCGA testing dataset and validated in external tissue microarray datasets (GSE4573, GSE31210 and GSE50081), demonstrating its efficacy in stratifying patients into high- and low-risk groups with significant survival difference both in the whole set (including stage IA and IB) and in the stage IA only subgroup of each set. The prognostic power remains significant after adjusting for standard clinical factors. When benchmarked against other prominent gene-signature based prognostic models, the model outperformed the rest in the TCGA testing dataset and in predicting long-term risk at eight years in all three validation datasets. CONCLUSION The 12-gene prognostic model may serve as a useful complementary clinical risk-stratification tool for stage I and especially stage IA lung squamous cell carcinoma patients to guide clinical decision making.
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Lei MM, Dai ZC, Zhu HX, Chen R, Chen Z, Shao CR, Shi ZD. Impairment of testes development in Yangzhou ganders by augmentation of leptin receptor signaling. Theriogenology 2021; 171:94-103. [PMID: 34051590 DOI: 10.1016/j.theriogenology.2021.05.016] [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] [Received: 02/01/2021] [Revised: 05/11/2021] [Accepted: 05/16/2021] [Indexed: 10/21/2022]
Abstract
The aim of this study was to determine the cellular and molecular mechanisms of leptin (LEP) and the leptin receptor (LEPR) in testicular development of prepubertal ganders. In an in vivo animal experiment, active immunization against LEPR severely depressed prepubertal testicular development by significantly reducing testicular weights at 200 and 227 days of age. The number of elongated spermatids in the seminiferous tubules was also significantly decreased by immunization with LEPR at ages of 200 and 227 days. Inhibition of testicular development by LEPR immunization was associated with decreases in LHR, StAR, 3β-HSD, CYP11A1, CYP17A1, and PRLR mRNA expression levels in testicular tissue, which resulted in a significant decrease in testosterone synthesis. In the in vitro experiments, the addition of LEP combined with anti-LEPR antibodies strengthened LEPR signal transduction, and inhibited significantly testosterone production in cultured Leydig cells isolated from prepubertal gander testes. The mRNA expression of LHR, StAR, 3β-HSD, CYP11A1, CYP17A1 also decreased significantly after treatment with LEP combined with anti-LEPR antibodies in cultured Leydig cells. These results suggest that anti-LEPR antibodies strengthen LEPR signaling transduction in the presence of LEP, and immunization against LEPR inhibited testes development and testosterone secretion in prepubertal ganders.
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Yang F, Chen R. Loss of PHLDA1 has a protective role in OGD/R-injured neurons via regulation of the GSK-3β/Nrf2 pathway. Hum Exp Toxicol 2021; 40:1909-1920. [PMID: 33938317 DOI: 10.1177/09603271211014596] [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] [Indexed: 12/30/2022]
Abstract
Pleckstrin homology-like domain, family A, member 1 (PHLDA1) is a multifunctional protein that plays a role in diverse pathological conditions. However, whether PHLDA1 participates in cerebral ischemia-reperfusion injury has not been reported. The goals of the present work were to assess the possible relationship between PHLDA1 and cerebral ischemia-reperfusion injury. Hippocampal neurons were subjected to oxygen-glucose deprivation/reoxygenation (OGD/R) to simulate cerebral ischemia-reperfusion injury in vitro, which led to significant increases in the expression of PHLDA1. Cellular functional studies showed that the knockdown of PHLDA1 produced a protective role in OGD/R-injured neurons via the down-regulation of neuronal apoptosis, oxidative stress and proinflammatory cytokine release. On the contrary, the overexpression of PHLDA1 rendered neurons more vulnerable to OGD/R injury. In-depth research revealed that the inhibition of PHLDA1 resulted in the enhancement of nuclear factor erythroid 2 like 2 (Nrf2) signaling in OGD/R-injured neurons. The reactivation of glycogen synthase kinase 3β (GSK-3β) abolished the PHLDA1-inhibition-mediated activation of Nrf2 signaling. Moreover, the restraint of Nrf2 signaling diminished the PHLDA1-knockdown-induced neuroprotective effects in OGD/R-injured neurons. In summary, the data of our work show that the loss of PHLDA1 protects against OGD/R injury via potentiating Nrf2 signaling via the regulation of GSK-3β. This work underscores a potential role of PHLDA1 in cerebral ischemia-reperfusion injury and proposes PHLDA1 as an attractive target for the development of neuroprotective therapy.
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Nguyen M, Youssef R, Kwon A, Chen R, Park J. 252 Dermatology on TikTok: Analysis of content and creators. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.02.274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Cho A, Tomihama R, Chen R, Cooper K, Malit A, Jin D, Fujimoto S, Kassir M, Smith J. Abstract No. 135 Point-of-care ultrasound (POCUS) versus conventional ultrasound imaging quality. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Garza L, Lee S, Sweren E, Li A, Kim D, Kim S, Dare E, Daskam M, Hardesty B, Bell J, Vuillier J, Wang V, Wang C, Ruci A, Wool J, Lee C, Chien J, Chen R, Kang S. 661 Cell therapy trial of ectopic fibroblasts to modify skin identity. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.02.691] [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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Bobba C, Keller B, Rosenheck J, Henn M, Chen R, Mokadam N, Whitson B, Ganapathi A. Lung Transplant Outcomes with Concomitant Heart Donation. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.926] [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] Open
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Butts E, Gococo-Benore D, Pai T, Moustafa MA, Heng F, Chen R, Manochakian R, Lou Y. P08.05 Risk Factors Associated with Recurrence Following Curative Therapy for Stage I NSCLC. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Cui J, Ai X, Guo R, Gu D, Chen R, Xia X. P76.35 Genomic Characteristics and Prognosis of Concomitant with EGFR Copy Numbers Variations in EGFR Mutated Lung Cancer Patients. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Dong X, Zhao J, Gu D, Chen R, Xia X. P85.06 Clinical and Genomic Features of Middle Intensity cMET Stain of Chinese Lung Cancer Patients. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Liang N, Wu H, Gu D, Chen R, Xia X. P92.01 Genetic Landscape and Potential Therapy Regimen of Thymic Tumor. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1662] [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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Zhang J, Zhang M, Fu R, Chu X, Wen Z, Gong Y, Jiang B, Liao R, Dong S, Nie Q, Chen R, Xia X, Yang X, Zhong W, Wu Y. P56.01 Postoperative ctDNA Positive Presents the High-risk of Recurrence in Resectable Non-Small Cell Lung Cancers. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.944] [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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Klein M, Mack P, Guin S, Gong Y, O'Connell T, Ayers K, Li Z, Li Y, Mullaney T, Jappe W, Redfern A, Prentice T, Schadt E, Fink M, Zhou X, Newman S, Chen R, Hirsch F. P35.09 Oncogenetic Differences in Never-Smokers versus Smokers with NSCLC Adenocarcinoma Treated at the Mt Sinai Tisch Cancer Institute. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Hu X, Yuan M, Feng Y, Zhang T, Zhang L, Dong G, Zhu H, Liu Y, Xing P, Wang H, Li B, Shi Y, Chen R, Xia X. P47.08 Blood-Based Tumor Mutation Burden as a Predictive Biomarker for Clinical Benefit of Immunotherapy in Small-Cell Lung Cancer. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.864] [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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Huang J, Zhang M, Mou Y, Chen R, Xia X. P07.04 Using ctDNA to Detect Minimal Residual Disease after Surgery in Resectable Lung Cancer. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Zhou C, Zhao J, Gu D, Chen R, Xia X. P89.01 Clinical and Genomic Features of EGFR-KDD/EGFR Rearrangements of Chinese Lung Cancer Patients. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Wang JG, Zhong ZJ, Mo YF, Wang LC, Chen R. Epidemiological features of coronavirus disease 2019 in children: a meta-analysis. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2021; 25:1146-1157. [PMID: 33577071 DOI: 10.26355/eurrev_202101_24685] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Many studies have been published recently on the characteristics of the clinical manifestations of COVID-19 in children. The quality scores of literature are different, and the incidence of clinical manifestations and laboratory tests results vary greatly. Therefore, a systematic retrospective meta-analysis is needed to determine the incidence of the clinical manifestations of COVID-19 in children. MATERIALS AND METHODS Data from databases, such as PubMed, Web of science, EMBASE, Johns Hopkins University, and Chinese databases were analysed from January 31, 2020 to October 20, 2020. High-quality articles were selected for analysis based on a quality standard score. A meta-analysis of random effects was used to determine the prevalence of comorbidities and subgroup meta-analysis to examine the changes in the estimated prevalence in different subgroups. RESULTS Seventy-one articles involving 11,671 children were included in the study. The incidence of fever, respiratory symptoms, gastrointestinal symptoms, asymptomatic patients, nervous system symptoms, and chest tightness was 55.8%, 56.8%, 14.4%, 21.1%, 6.7%, and 6.1%, respectively. The incidence of multisystem inflammatory syndrome was 6.2%. Laboratory examination results showed that lymphocytes decreased in 12% and leukocytes decreased in 8.8% of patients, whereas white blood cells increased in 7.8% of patients. Imaging showed abnormalities in 66.5%, and ground-glass opacities were observed in 36.9% patients. Epidemiological history was present in 85.2% cases; severe disease rate was 3.33%. The mortality rate was 0.28%. CONCLUSIONS The clinical symptoms of COVID-19 in children are mild, and laboratory indicators and imaging manifestations are atypical. While screening children for COVID-19, in addition to assessing patients for symptoms as the first step of screening, the epidemiological history of patients should be obtained.
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Chen R, Wang ZX, Zhou LX, Chen XB, Han JW, Fan HN, Wang HJ. [Cystic echinococcosis of the waist and hip: a case report]. ZHONGGUO XUE XI CHONG BING FANG ZHI ZA ZHI = CHINESE JOURNAL OF SCHISTOSOMIASIS CONTROL 2021; 34:214-216. [PMID: 35537848 DOI: 10.16250/j.32.1374.2020238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A patient with cystic echinococcosis was presented with primary lesions in the waist and hip. The case was misdiagnosed as subcutaneous abscess at initial diagnosis, and then definitively diagnosed as echinococcosis by means of imaging examinations and anti-Echinococcus antibody test. This case was reported with aims to improve the awareness of cystic echinococcosis among clinical physicians to avoid and reduce the misdiagnosis and missing diagnosis.
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Gao Y, Tang R, Li J, Li HJ, Lang J, Liu G, Lin S, Chen R. Generalized headache among Chinese climacteric women: findings from a prospective cohort. Climacteric 2021; 24:289-296. [PMID: 33594921 DOI: 10.1080/13697137.2021.1881058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVE This study aimed to prospectively identify the prevalence of generalized headache and associated risk factors in Chinese midlife women. METHODS We identified 411 qualified women from a Chinese urban community, contributing a total of 2544 surveys. The presence of generalized headache was measured. Climacteric symptoms and other risk factors were evaluated by generalized estimating equations. RESULTS The prevalence of headache complaints is associated with menopausal stages. Perimenopausal women have relatively high prevalence of headache symptoms, especially stage +1a women (59.0%) compared to late postmenopausal women (37.8%), although menopause stages were not statistically significant in the multivariate analysis. Women who had headache at baseline and depression were much more likely to have headache during menopause. According to the univariate and multivariate analyses in women without headache at baseline, starting menopausal status, insomnia, sweats, and depression were independently associated with newly developed headache. CONCLUSIONS Symptoms of generalized headache were less prevalent in late postmenopausal women. Our findings highlight the association between headache and climacteric changes.
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Zhang W, Chen R, Jiang B, Zhao X, Zhao W, Yan SS, Han G, Yu S, Liu G, Kang S. Tunable interfacial Dzyaloshinskii-Moriya interaction in symmetrical Au/[Fe/Au] n multilayers. NANOSCALE 2021; 13:2665-2672. [PMID: 33496295 DOI: 10.1039/d0nr06488b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The interfacial Dzyaloshinskii-Moriya interaction (i-DMI) has been exploited in as-made symmetrical Au/[Fe/Au]n structures. By tailoring the chirality of the i-DMI at the Au/Fe interface, an overall enhancement of the i-DMI can be obtained in such a symmetrical structure. Furthermore, the tunability of the i-DMI was realized by changing the stacking number n. Compared to the top of Fe, a large tensile stress at the bottom of Fe due to lattice mismatch was responsible for the chirality change in the sub/Au/Fe system. Layer-resolved DMI calculations revealed that the sign of the spin-orbit coupling (SOC) energy was changed for Au near the interface of Au/Fe under tensile stress, subsequently reversing the chirality of the i-DMI from left-handed to right-handed. Our findings provide a simplest way to tune the i-DMI in a multilayer system, further benefiting the application of skyrmion-based devices.
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Liu S, Chen R, Ding N, Wang Q, Huang M, Liu H, Xie Z, Ou Y, Sheng Z. Setting the new FRAX reference threshold without bone mineral density in Chinese postmenopausal women. J Endocrinol Invest 2021; 44:347-352. [PMID: 32495298 DOI: 10.1007/s40618-020-01315-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 05/27/2020] [Indexed: 10/24/2022]
Abstract
PURPOSE Despite the large number of osteoporosis patients in China, the diagnosis and treatment rates remain low. The Fracture Risk Assessment Tool (FRAX) can be used to effectively evaluate fracture risk. In this study, we explored the Chinese-specific thresholds of FRAX without the T-score. METHODS In all, 264 postmenopausal women aged > 50 years were randomly recruited from community-medical centers. All subjects completed self-reported questionnaires, BMD measurements, and spinal radiographs. The 10-year hip and major osteoporotic fracture risks were calculated by FRAX. A new threshold for both 10-year hip and major osteoporotic fracture risk was explored with receiver operating characteristic (ROC) curve analysis. RESULTS Overall, 92 subjects were diagnosed with osteoporosis. Among them, 14 participants with T-score > - 2.5 were diagnosed with osteoporosis based on clinical fractures. ROC analysis showed the cut-off value of the 10-year hip osteoporotic fracture for detecting osteoporosis was 0.95%, while that of 10-year major osteoporotic fracture was 4.95%. The sensitivity and specificity of the 10-year hip osteoporotic fracture probability for detecting osteoporosis were 0.86 and 0.59, respectively, while the guideline-recommended threshold had a sensitivity of 0.49 and specificity of 0.83. The sensitivity and specificity of the 10-year major osteoporotic fractures with the new threshold were 0.76 and 0.69, respectively, while the recommended threshold had a sensitivity of 0 and specificity of 1. CONCLUSION Current guideline-recommended FRAX thresholds without BMD showed low sensitivity. Therefore, 10-year osteoporotic hip fracture probability ≥ 0.95% and 10-year osteoporotic major fracture probability ≥ 4.95% are recommended as the new thresholds.
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Ma JY, Zhou Y, Lin YT, Xiang ZS, Zheng RS, Zhang SW, Wang SM, Chen R, Wei WW, He J. [Incidence and mortality of corpus uteri cancer in China, 2015]. ZHONGHUA ZHONG LIU ZA ZHI [CHINESE JOURNAL OF ONCOLOGY] 2021; 43:108-112. [PMID: 33472322 DOI: 10.3760/cma.j.cn112152-20200423-00373] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To estimate the incidence and mortality of corpus uteri cancer in China, 2015. Methods: Quality audit and evaluation of the data from 2015 cancer registration reported by 501 cancer registries were conducted, and 368 cancer registries were included in the analysis. The incidence rate and mortality rate of corpus uteri cancer were calculated according to the factors of the region (urban, rural, east, central, western), sex and age groups. The incidence and mortality of corpus uteri cancer with the 2015 population were estimated. Chinese standard population in 2000 and world Segi's population were used for the calculation of age-standardized rates (ASR) of incidence and mortality. Results: In 2015, 368 cancer registries included in the analysis covered a total of 309 553 499 populations in China, accounting for 22.52% of the national population. It is estimated that there were about 68 900 new cases of corpus uteri cancer in 2015, the incidence rate was 10.28/10(5), age-standardized incidence rates by Chinese standard population (ASR China) and world standard population (ASR world) were 6.86/10(5) and 6.66/10(5), respectively. The incidence rate of urban area (11.35/10(5)) was higher than that of rural area (8.90/10(5)), and the incidence of eastern region (12.12/10(5)) was higher than the central region (9.94/10(5)) and the western region (8.25/10(5)). It is estimated that in 2015, there were about 16 000 deaths of corpus uteri cancer, the mortality rate was 2.39/10(5), ASR China was 1.49/10(5), ASR world was 1.47/10(5). The mortality in urban areas (2.40/10(5)) is close to rural areas (2.39/10(5)); the mortality in central areas (2.55/10(5)) was higher than the eastern areas (2.32/10(5)) and the western areas (2.31/10(5)). Conclusions: In China, the incidence of corpus uteri cancer is on the rise and has a trend of youth, the burden of disease is gradually increasing, which threatens the health of women. Targeted prevention and control measures should be carried out in the different regions.
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Stephens DN, Wodnicki R, Chen R, Liang LM, Zhou Q, Morrison K, Ferrara KW. The effective coupling coefficient for a completed PIN-PMN-PT array. ULTRASONICS 2021; 109:106258. [PMID: 33011614 PMCID: PMC7744335 DOI: 10.1016/j.ultras.2020.106258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 08/20/2020] [Accepted: 09/16/2020] [Indexed: 06/11/2023]
Abstract
The computation of the electromechanical coupling coefficient (EMCC) of a fully assembled medical ultrasound transducer array is directly computed with closed form expressions. The Levenberg-Marquardt non-linear regression algorithm (LMA) is employed to help confirm the EMCC calculated prediction (kEFF) and provide statistical insights. The complex electrical impedance spectra of a 1-3 composite array with two matching layers operating at a 3.75 MHz center frequency using PIN-PMN-PT single crystal material is measured in air both before and after oven heating at 160 °C for 15 min. The oven heating produces changes in the EMCC of -4.9%, clamped dielectric constant of -11%, and effective transducer longitudinal velocity of -2.5%. Utilizing the pre- and post-heating array impedance data, the calculated EMCC values from the new closed form expressions agree well with the complete KLM model based LMA, and also exhibit approximately one tenth the error as compared to the formulas for a flat, unloaded transducer.
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Chen R, Schmidt H. Model-based convolutional neural network approach to underwater source-range estimation. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2021; 149:405. [PMID: 33514155 DOI: 10.1121/10.0003329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 12/15/2020] [Indexed: 06/12/2023]
Abstract
This paper is part of a special issue on machine learning in acoustics. A model-based convolutional neural network (CNN) approach is presented to test the viability of this method as an alternative to conventional matched-field processing (MFP) for underwater source-range estimation. The networks are trained with simulated data generated under a particular model of the environment. When tested with data simulated in environments that deviate slightly from the training environment, this approach shows improved prediction accuracy and lower mean-absolute-error (MAE) compared to MFP. The performance of this model-based approach also transfers to real data, as demonstrated separately with field data collected in the Beaufort Sea and off the coast of Southern California. For the former, the CNN predictions are consistent with expected source range while for the latter, the CNN estimates have lower MAE compared to MFP. Examination of the trained CNNs' intermediate outputs suggests that the approach is more constrained than MFP from outputting very inaccurate predictions when there is a slight environmental mismatch. This improvement appears to be at the expense of decreased certainty in the correct source range prediction when the environment is precisely modeled.
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Tian C, Liu L, Zheng M, Ye Z, Chen R, Lan X. MiR-503 Contributes to Glucocorticoid Sensitivity in Acute Lymphoblastic Leukaemia via Targeting WNT3A. Folia Biol (Praha) 2021; 67:199-207. [PMID: 35439853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Abnormal accumulation of lymphoblasts in the blood and bone marrow is the main characteristic of acute lymphoblastic leukaemia (ALL). Glucocorticoids are effective drugs for ALL, while glucocorticoid resistance is an obstacle to ALL therapy. MicroRNAs (miRNAs) are implicated in the drug resistance and modulate the response of ALL to glucocorticoids. The role of miR-503 in glucocorticoid sensitivity of ALL was investigated in this study. Firstly, T-leukaemic cells were isolated from patients with ALL. The human ALL cell line (CCRF/CEM) was incubated with dexamethasone to establish a glucocorticoid- resistant ALL cell line (CCRF/CEM-R). Data from MTT showed that IC50 (50% inhibitory concentration) of dexamethasone in T-leukaemic cells isolated from glucocorticoid-resistant ALL patients or CCRF/CEM-R was increased compared with IC50 in T-leukaemic cells isolated from glucocorticoid- sensitive ALL patients or CCRF/CEM. MiR- 503 was down-regulated in glucocorticoid-resistant leukaemic cells and CCRF/CEM-R. Secondly, overexpression of miR-503 sensitized CCRF/CEM-R to dexamethasone. Moreover, over-expression of miR- 503 also promoted the sensitivity of ALL cells to dexamethasone. Thirdly, miR-503 bound to WNT3A mRNA and negatively regulated the expression of WNT3A. Over-expression of miR-503 reduced protein expression of nuclear β-catenin, and over-expression of WNT3A attenuated the miR-503 overexpression- induced decrease in nuclear β-catenin. Lastly, the over-expression of miR-503-induced increased sensitivity of ALL-resistant cells and CCRF/ CEM-R to dexamethasone was attenuated by overexpression of WNT3A. In conclusion, miR-503 targeted WNT3A mRNA to sensitize ALL cells to glucocorticoids through inactivation of the Wnt/β-catenin pathway.
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Pan SL, Chen R, Duan SH, Wan H, Luo G, Du ZH, Ge W, Xing QS. [A case of giant left atrial appendage aneurysm: from prenatal diagnosis to postnatal surgery]. ZHONGHUA ER KE ZA ZHI = CHINESE JOURNAL OF PEDIATRICS 2020; 58:845-846. [PMID: 32987467 DOI: 10.3760/cma.j.cn112140-20200317-00252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Power R, Bartha G, Harris J, Boyle S, Levy E, Milani P, Tandon P, McNitt P, Morra M, Desai S, Saldivar S, Clark M, Haudenschild C, West J, Chen R. 87P An augmented exome/transcriptome-based platform for precision cancer therapy selection, clinical trial matching, and oncology research applications, enabling next-generation composite biomarkers by combining tumour and immune features. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.10.575] [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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Chen R, Schmidt H. Temporal and spatial characteristics of the Beaufort Sea ambient noise environment. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2020; 148:3928. [PMID: 33379872 DOI: 10.1121/10.0002955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 12/01/2020] [Indexed: 06/12/2023]
Abstract
Underwater ambient noise from the Beaufort Sea, collected in March 2016, is analyzed to investigate the effect that environmental changes in the region have on the spatial and temporal characteristics of the ice-generated ambient noise. In particular, the influx of warm Pacific water, so called the Beaufort Lens, has dramatically altered the level and vertical directionality of ambient noise, creating a low noise zone in the ∼75-250 m depth interval with a noise notch at low grazing angles. It is also demonstrated how the observed noise vertical directionality is consistent with ice-mechanical activity along an active pressure ridge ∼30-50 km from the recording array, as shown by satellite imagery. The discrete ranges to this ice activity explain the peak arrival angles between -10 to -15 degrees in noise vertical directionality, as well as the horizontal noise notch. Transient noise events associated with the ice activity are analyzed using an image processing approach with hierarchical clustering applied to the recorded spectrograms. The observed events are grouped into three categories-short-time-broadband, long-time-narrowband, and long-time-broadband-each likely generated through a different mechanism by the ice cover. The spectral and temporal distribution of these transients are discussed.
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Zhang X, Yang F, Chen R, Tsang L, Jiang X, Chan H. Dedifferentiation-reprogrammed human mesenchymal stem cells for treating ischaemic stroke: abridged secondary publication. Hong Kong Med J 2020; 26 Suppl 8:41-45. [PMID: 33504678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023] Open
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Chen WL, Liu YM, Zhou B, Chen R, Lin ZY, Huang ZQ, Huang ZX. En bloc resection and reconstruction in patients with advanced recurrent nasopharyngeal carcinoma and radiation-induced sarcoma of the head and neck. Int J Oral Maxillofac Surg 2020; 50:711-717. [PMID: 33272770 DOI: 10.1016/j.ijom.2020.04.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 02/24/2020] [Accepted: 04/09/2020] [Indexed: 11/18/2022]
Abstract
The purpose of this study was to assess the outcomes of patients with advanced recurrent nasopharyngeal carcinoma (rNPC) and radiation-induced sarcoma of the head and neck (RISHN) who underwent en bloc resection and reconstruction. Fifty-two patients with advanced rNPC (n=36) and RISHN (n=16) underwent en bloc resection and reconstruction with an extended lower vertical trapezius island myocutaneous flap (TIMF). En bloc resection of the tumour (including craniomaxillofacial resections and neck resections) and major defect restoration was successful in all patients. TIMF survival was 92.3%. Postoperative mild hemiplegia occurred in one patient with rNPC. In total, 20 patients (55.5%) in the rNPC group and seven (43.8%) in the RISHN group recovered with no signs of disease at follow-up. No statistically significant difference in recovery status was observed between the rNPC and RISHN groups. En bloc resection of the tumour, including dissection of the carotid artery, ensured microscopic clearance of the disease; this is a viable treatment option for patients with advanced rNPC or RISHN without distant metastasis. The extended vertical lower TIMF is a large, straightforward, and reliable flap for repairing the resultant major defects in the craniomaxillofacial or neck region.
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Harper RS, Khan I, Chen R, Neville A. Oral Health Inequalities in 0-17-year-old Children Referred for Dental Extractions Under General Anaesthesia in Wolverhampton, 2013-2017. COMMUNITY DENTAL HEALTH 2020; 37:247-252. [PMID: 32338835 DOI: 10.1922/cdh_00056harper06] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Describe the inequalities in oral health in children treated in a hospital located in a deprived urban area in the UK. RESEARCH DESIGN Case-note review of 1911 0-17-year-olds who underwent dental extractions under a general anaesthetic (DGA). MAIN OUTCOME MEASURES Associations between Age, Ethnicity, Year-of-Treatment and Index of Multiple Deprivation (IMD) with the number of teeth extracted. Analysis used multilevel modelling assuming a Poisson distribution. RESULTS Mean number of teeth extracted was higher in the youngest children treated aged 0-5 years (relative risk coefficient, (RR=exp(β)=1.39; 95% CI 1.24 to 1.56) compared to those aged 6-17 years and in 'Other Whites' (predominantly immigrants from Eastern Europe) (RR=exp(β)=1.34; 95% CI 1.25 to 1.43), 'South Asians' (RR=exp(β)=1.15; 95% CI 1.08 to 1.23) but fewer in the 'Black' ethnic group (RR=exp(β)=0.85; 95% CI 0.76 to 0.95). DGA increased during the study with more teeth extracted in 2015, 2016 and 2017 (RR=exp(β)=1.12, 95% CI 1.22, 1.25) and with a negative gradient in the rate of DGA's (per decile) in children from the most deprived to most affluent locations (RR=exp(β)=0.98; 95% CI 0.97 to 0.99). CONCLUSIONS Significant oral health inequalities exist in children from a deprived urban area in the UK. A preventive approach to children's oral health is needed to reduce such inequalities, including public health and healthcare agencies to informing parents of children whose first language is not English about dental caries.
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Li S, Zhou L, Chen R, Chen Y, Niu Z, Qian L, Fang Y, Xu L, Xu H, Zhang L. Diagnostic efficacy of contrast-enhanced ultrasound versus MRI Liver Imaging Reporting and Data System (LI-RADS) for categorising hepatic observations in patients at risk of hepatocellular carcinoma. Clin Radiol 2020; 76:161.e1-161.e10. [PMID: 33198943 DOI: 10.1016/j.crad.2020.10.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 10/08/2020] [Indexed: 12/12/2022]
Abstract
AIM To investigate the diagnostic efficacy of the contrast-enhanced ultrasound Liver Imaging Reporting and Data System (CEUS LI-RADS) for categorising hepatic observations in patients at risk of hepatocellular carcinoma (HCC) compared with magnetic resonance imaging (MRI) LI-RADS. MATERIALS AND METHODS CEUS and MRI data were analysed retrospectively according to the LI-RADS scheme. Follow-up results and pathological findings served as the reference standard. Receiver operating characteristic (ROC) curve analysis was used to reveal the area under the curve (AUC). The sensitivity, specificity, accuracy, and positive (PPV) and negative predictive values (NPV) of LR-5 for determining HCC were calculated. The intra-observer agreement of CEUS LI-RADS was also evaluated. RESULTS Eighty-four patients with 86 liver observations were enrolled. Forty-two observations were classified as LR-5 by CEUS and MRI, respectively. Based on the reference standard, 53 nodules were HCC. The AUCs were 0.876 for CEUS and 0.873 for MRI, without a significant difference (Z=0.050, p=0.960). The sensitivity, specificity, PPV, NPV, and accuracy of LR-5 was 75.47%, 93.94%, 95.24%, 70.45%, 82.56% with CEUS and 73.58%, 90.9%, 92.86%, 68.18%, 80.23% with MRI, respectively. There was a significant difference in specificity between CEUS and MRI (p=0.006). There was almost perfect agreement for arterial phase hyperenhancement (k=0.870), substantial agreement for washout (k=0.765) and CEUS LI-RADS category (k=0.787). CONCLUSION The CEUS LI-RADS scheme is an effective diagnostic tool for HCC with substantial intra-observer reliability. The diagnostic performance of CEUS LI-RADS for determining HCC was comparable to MRI LI-RADS, and the specificity of CEUS LR-5 was significantly higher.
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Li MJ, Shao DT, Chen R, Wang SM, Wei WW. [Progress in research of Fusobacterium nucleatum and upper gastrointestinal cancer]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2020; 41:1938-1941. [PMID: 33297665 DOI: 10.3760/cma.j.cn112338-20191102-00776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
With the development of multi-omics and high throughput sequencing technology, studies have shown that the disorder of microbiota is related to various cancers. Nevertheless, the research on the relationship between upper digestive tract cancer or precancerous lesions and gastrointestinal microecology is still less. Fusobacterium nucleatum, one of the oral symbiotic bacteria, is also an opportunistic pathogen, which can promote the formation of tumor microenvironment and can be used as a new biomarker for the early detection and early diagnosis of cancer. In this study, by searching CNKI, Wanfang data, PubMed and Embase databases, it was found that the abundance of F. nucleatum in cancer tissues is higher than that in paracancerous tissues and associated with poor prognosis. The research of relationship between F. nucleatum and precancerous lesions needs to be carried out urgently. In addition, the types of specimens, sequencing technology, strain subtypes, carcinogenic mechanism and other directions still need to be explored.
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Ma SC, Chen R, Yang TN, Zhang F, Zhao D. Baicalein inhibits the proliferative activity of human prostate cancer cell line PC3 by downregulating Ezrin. J BIOL REG HOMEOS AG 2020; 34:885-892. [PMID: 32691575 DOI: 10.23812/20-145-a-44] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
We aimed to elucidate the inhibitory effect of Baicalein on proliferative ability in Prostate cancer (PCa) through downregulating Ezrin. Relative level of Ezrin in PCa tissues and adjacent ones was detected. After PC3 cells were induced with 20 or 40 μM Baicalein, changes in viability, cell cycle progression and apoptosis were assessed. Relative levels of CyclinD1, CDK4, P53 and P21 were examined by quantitative real-time polymerase chain reaction (qRT-PCR). Regulatory effects of Ezrin and Baicalein treatment on PC3 cells were evaluated. Finally, in vivo effects of Ezrin and Baicalein treatment on nude mice bearing PCa were detected. Ezrin was upregulated in PCa tissues relative to adjacent normal ones. Baicalein treatment decreased viability, arrested cell cycle and stimulated apoptosis in PC3 cells. Meanwhile, Baicalein treatment downregulated CyclinD1 and CDK4, while upregulating P53 and P21. Moreover, Ezrin was downregulated in Baicalein-treated PC3 cells. Knockdown of Ezrin synergistically stimulated the effects of Baicalein on cellular phenotypes of PC3 cells. In nude mice bearing PCa, Baicalein treatment decreased tumor volume and tumor weight, which were much more pronounced in those with in vivo knockdown of Ezrin. Baicalein treatment suppresses proliferative ability, arrests cell cycle and stimulates apoptosis in PCa cells through downregulating Ezrin.
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Chen R, Liu C, Zhou P, Tan Y, Sheng Z, Li J, Zhou J, Chen Y, Song L, Zhao H, Yan H. Prognostic value of age-adjusted d-dimer cutoff thresholds in patients with myocardial infarction treated by percutaneous coronary intervention. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1310] [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
Introduction
The association between D-dimer and outcomes of patients with myocardial infarction (MI) remains controversial. Using age-adjusted D-dimer cutoff thresholds significantly improves the accuracy of diagnosis for thrombotic diseases. This study aimed to investigate the prognostic value of age-adjusted D-dimer in MI patients treated by percutaneous coronary intervention (PCI).
Methods
In this observational study, 3614 consecutive patients with MI treated by PCI were retrospectively recruited. The baseline age-adjusted D-dimer threshold was 500 ng/mL, and was calculated as age × 10 in patients older than 50 years. Cox regression was used for outcome analysis. The primary outcome was all-cause death. Discrimination and reclassification were calculated to assess the additional prognostic value of D-dimer when combined with established clinical risk factors and the Global Registry of Acute Coronary Events (GRACE) risk score.
Results
During a median follow-up of 652 days, a total of 194 deaths occurred. High D-dimer level, as defined by age-adjusted thresholds, was an independent predictor for all-cause death (hazard ratio:1.67, 95% confidence interval: 1.23–2.27, P=0.001). Addition of D-dimer level (high or low) significantly improved risk classification for death when combined with established clinical risk factors (net reclassification index [NRI]: 0.601, P<0.001; integrated discrimination improvement [IDI]: 0.011, P=0.046) and GRACE score (NRI: 0.618, P<0.001; IDI: 0.015, P=0.011).
Conclusions
In patients with MI treated by PCI, D-dimer elevation defined by age-adjusted thresholds was an independent predictor for adverse outcomes, and provided additional prognostic value when combined with clinical risk factors and GRACE score.
Funding Acknowledgement
Type of funding source: Public Institution(s). Main funding source(s): Chinese Academy of Medical Sciences
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Wang Y, Sheng Z, Li J, Tan Y, Zhou P, Liu C, Zhao X, Zhou J, Chen R, Song L, Zhao H, Yan H. Association between pre-infarction angina and culprit-lesion morphology in patients with ST-segment elevation myocardial infarction: an optical coherence tomography study. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Previous studies reported the cardiac protection effect of pre-infarction angina (PIA) in patients with acute myocardial infarction (AMI). However, the association between PIA and culprit plaques characteristics in AMI patients through optical coherence tomography (OCT)assessment remains unclear.
Purpose
We sought to identify culprit-plaque morphology associated with PIA in patients with ST-segment elevation myocardial infarction (STEMI) using OCT.
Methods
A total of 279 STEMI patients who underwent intravascular OCT of culprit-lesion were included. Baseline clinical data and culprit-plaque characteristics were compared between the PIA group the non-PIA group.
Results
Patients with PIA represented 54.8% of the study population (153 patients). No differences were observed in clinical and angiographic data between two groups, except STEMI onset with exertion was significantly less common in PIA group (24.2% versus 40.5%, P=0.004). Patients with PIA exhibited a significantly lower incidence of plaque rupture (40.5% versus 61.9%, P<0.001) and lipid-rich plaques (48.4% versus 69.0%, P=0.001). The thin-cap fibroatheroma (TCFA) prevalence was lower in PIA group, presenting a thicker fibrous cap thickness, although statistically significant differences were not observed (20.3% versus 30.2%, P=0.070; 129.1±92.0μm versus 111.4±78.1μm, P=0.088; respectively). Multivariate logistic regression analysis indicated that PIA was an independent negative predictor for plaque rupture (odds ratio: 0.44, 95% confidence interval: 0.268–0.725, P=0.001).
Conclusion
STEMI patients with PIA showed a significantly lower prevalence of plaque rupture and lipid-rich plaques in culprit-lesion than non-PIA group, implying different mechanisms of STEMI attack.
Flow chart + Bar graphs of OCT findings
Funding Acknowledgement
Type of funding source: Public Institution(s). Main funding source(s): Association between pre-infarction angina and culprit-lesion morphology in patients with ST-segment elevation myocardial infarction: An optical coherence tomography study
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Li J, Liu B, Tang R, Luo M, Li HJ, Peng Y, Wang Y, Liu G, Lin S, Chen R. Relationship between vasomotor symptoms and metabolic syndrome in Chinese middle-aged women. Climacteric 2020; 24:151-156. [PMID: 33103941 DOI: 10.1080/13697137.2020.1789094] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
PURPOSE This study aimed to find the associations between vasomotor symptoms (VMS) and metabolic syndrome (MetS) in Chinese middle-aged women in a cross-sectional study. METHODS A total of 675 participants were recruited from an urban Chinese community. MetS was defined by the 2009 criteria of the Joint Interim Statement. VMS including hot flashes and sweats, blood pressure, weight, height, waist circumference (WC), serum glucose, triglycerides, high-density lipoprotein cholesterol (HDL), low-density lipoprotein cholesterol (LDL), estradiol, and follicle-stimulating hormone (FSH) were collected. RESULTS The presence of hot flashes was independently associated with the risk of MetS after adjusting for age, menopausal status, FSHlog, estradiollog, and physical activity (odds ratio: 1.98, 95% confidence interval: 1.21-3.24, p = 0.006). Both hot flashes and sweats were also independently associated with WC (for hot flashes, p = 0.016; and for sweats, p = 0.007) and triglycerides (for hot flashes, p = 0.041; and for sweats, p = 0.014) significantly. However, VMS were not significantly associated with blood pressure, glucose, HDL, and LDL. CONCLUSION Women with hot flashes had a higher risk of MetS. Both hot flashes and sweats were related to a higher amount of central fat indicated by WC and higher triglycerides, but were not related to blood pressure, glucose, and HDL in Chinese women.
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Zhang L, Liao QP, Wang CH, Zhang D, An RF, Zheng JH, Wang Y, Zhang QQ, Chen R. [A multicenter, randomized, open and positive parallel controlled clinical study of clotrimazole vaginal expansion suppository and vaginal tablet in the treatment of mild and moderate vulvovaginal candidiasis]. ZHONGHUA FU CHAN KE ZA ZHI 2020; 55:697-702. [PMID: 33120482 DOI: 10.3760/cma.j.cn112141-20200403-00293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Objective: Using clotrimazole vaginal tablet as a positive control, to evaluate the results of clotrimazole vaginal expansion suppository in the treatment of mild and moderate vulvovaginal candidiasis in terms of efficacy, patient satisfaction, side effects, and recurrence rate. Methods: This study was jointly conducted by 5 hospitals from August 2017 to October 2018, patients with mild and moderate vulvovaginal candidiasis confirmed by fungal culture and symptoms scores were selected. They were randomized to experimental group and control group as 1∶1 ratio. In the experimental group (n=105), the subjects applied clotrimazole vaginal expansion suppository (150 mg) daily at night for 7 days. In the control group (n=106), the subjects used a single dose of clotrimazole vaginal tablet (500 mg). Follow-ups were performed at (8±3) and (30±5) days after the discontinuation of the drugs, respectively. The difference in clinical symptoms and signs scores was used to evaluate the improvement of clinical symptoms, and the patient's satisfaction and side effects were recorded. Results: At the first follow-up, the experimental group and control group were followed up by fungal culture on the cure rate [66.7% (70/105) versus 63.2% (67/106), P>0.05] and total effective rate [98.1% (103/105) versus 99.1% (105/106), P>0.05], the differences were not statistically significant. At the second follow-up, the recurrence rates of the experimental group and the control group were 5.7% (4/70) and 14.9% (10/67), respectively, with no significant difference (P>0.05). In the evaluation of patient satisfaction, the leakage of the drug in the experimental group was significantly better than that in the control group (P<0.01). The side effects mainly included vaginal stimulation, itching and burning sensation, and there was no statistical difference between the two groups (χ2=1.070, P=0.586). Conclusions: In the treatment of mild and moderate vulvovaginal candidiasis, clotrimazole vaginal expansion suppository is no less effective than clotrimazole vaginal tablet, and there is no significant difference in the recurrence rate between the two. In terms of patient satisfaction, clotrimazole vaginal expansion suppository is superior to clotrimazole vaginal tablet.
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Chen R, Tang R, Zhang S, Wang Y, Wang R, Ouyang Y, Xie X, Liu H, Lv S, Shi H, Zhang Y, Xie M, Luo Y, Yu Q. Xiangshao granules can relieve emotional symptoms in menopausal women: a randomized controlled trial. Climacteric 2020; 24:246-252. [PMID: 33016149 DOI: 10.1080/13697137.2020.1820476] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
OBJECTIVE This study aimed to investigate the safety and efficacy of Xiangshao granules for treating emotional disorders in perimenopausal and postmenopausal women. METHODS The current investigation was a double-blind, randomized, placebo-controlled, multicenter trial that included 300 perimenopausal and postmenopausal Chinese women aged 40-60 years. Participants received either a placebo (n = 150) or Xiangshao granules (n = 150) for 8 weeks. Outcome measures included Hamilton Depression Rating Scale (HAMD) and Hamilton Anxiety Rating Scale (HAMA) scores, which were assessed at baseline, 4 weeks, and 8 weeks. The primary efficacy variables were changes in HAMD and HAMA scores after 8 weeks. RESULTS After 8 weeks, the mean HAMD scores decreased from 15.0 to 7.9 in the Xiangshao group and from 16.3 to 10.0 in the placebo group, and the respective mean reductions in HAMA scores were from 16.0 to 8.5 and from 17.1 to 10.9. Clinical improvements in symptoms of both depression and anxiety after 8 weeks differed significantly in the two groups (p < 0.05). The cure rate was significantly higher in the Xiangshao group. There were no significant differences in the rates of adverse events in the two groups. CONCLUSIONS Xiangshao granules can relieve symptoms of depression and anxiety significantly and safely.
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Kim JY, Tran S, Gunraj C, Nankoo JF, Wang Y, Rinchon C, Drummond N, Chen R. Effects of primary sensory cortex intermittent theta burst stimulation on motor cortex excitability. Parkinsonism Relat Disord 2020. [DOI: 10.1016/j.parkreldis.2020.06.283] [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: 10/22/2022]
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146
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Adamson P, Anghel I, Aurisano A, Barr G, Blake A, Cao SV, Carroll TJ, Castromonte CM, Chen R, Childress S, Coelho JAB, De Rijck S, Evans JJ, Feldman GJ, Flanagan W, Gabrielyan M, Germani S, Gomes RA, Gouffon P, Graf N, Grzelak K, Habig A, Hahn SR, Hartnell J, Hatcher R, Holin A, Huang J, Koerner LW, Kordosky M, Kreymer A, Lang K, Lucas P, Mann WA, Marshak ML, Mayer N, Mehdiyev R, Meier JR, Miller WH, Mills G, Naples D, Nelson JK, Nichol RJ, O'Connor J, Pahlka RB, Pavlović Ž, Pawloski G, Perch A, Pfützner MM, Phan DD, Plunkett RK, Poonthottathil N, Qiu X, Radovic A, Sail P, Sanchez MC, Schneps J, Schreckenberger A, Sharma R, Sousa A, Tagg N, Thomas J, Thomson MA, Timmons A, Todd J, Tognini SC, Toner R, Torretta D, Vahle P, Weber A, Whitehead LH, Wojcicki SG. Precision Constraints for Three-Flavor Neutrino Oscillations from the Full MINOS+ and MINOS Dataset. PHYSICAL REVIEW LETTERS 2020; 125:131802. [PMID: 33034464 DOI: 10.1103/physrevlett.125.131802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 08/19/2020] [Indexed: 06/11/2023]
Abstract
We report the final measurement of the neutrino oscillation parameters Δm_{32}^{2} and sin^{2}θ_{23} using all data from the MINOS and MINOS+ experiments. These data were collected using a total exposure of 23.76×10^{20} protons on target producing ν_{μ} and ν[over ¯]_{μ} beams and 60.75 kt yr exposure to atmospheric neutrinos. The measurement of the disappearance of ν_{μ} and the appearance of ν_{e} events between the Near and Far detectors yields |Δm_{32}^{2}|=2.40_{-0.09}^{+0.08}(2.45_{-0.08}^{+0.07})×10^{-3} eV^{2} and sin^{2}θ_{23}=0.43_{-0.04}^{+0.20}(0.42_{-0.03}^{+0.07}) at 68% C.L. for normal (inverted) hierarchy.
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Chen R, Tao SY, Du JB, Diao FY, Hu ZB. [Effects of estradiol on the day of human chorionic gonadotropin administration on adverse perinatal outcomes]. ZHONGHUA YU FANG YI XUE ZA ZHI [CHINESE JOURNAL OF PREVENTIVE MEDICINE] 2020; 54:651-656. [PMID: 32842281 DOI: 10.3760/cma.j.cn112150-20191127-00889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the association between estradiol on the day of human chorionic gonadotropin (HCG) administration and birth outcomes among singleton live births following fresh embryo transfers. Methods: Based on the clinical reproduction medicine management system of the First Affiliated Hospital of Nanjing Medical University, this retrospective cohort study collected data of fresh embryo transfer cycles during January 2013 and December 2016, including pregnant women's age, body mass index (BMI), type and cause of infertility, assisted reproductive therapy indicators (fertilization mode, ovulation stimulation protocol, estradiol levels on HCG administration day), adverse birth outcomes[small for gestational age (SGA), premature and low birth weight (LBW)], etc.. A total of 2 060 women with singleton pregnancy (2 061 fresh embryo transfer cycles) were enrolled. Multivariate logistic regression was used to analyze the association between estradiol on HCG administration day and singletons' adverse birth outcomes. Results: The age and BMI of the 2 060 pregnant women were (29.63±3.92) years old and (22.29±2.86) kg/m2. Incidences of SGA, premature and LBW were 9.8% (201/2 061), 6.9% (143/2 061) and 3.5% (73/2 061), respectively. After adjusting for confounders, the risk of LBW in 4 000-4 499 pg/ml group was significantly elevated when compared to estradiol<1 500 pg/ml group [OR (95%CI): 4.42 (1.13-17.24)]. A protective effect of premature was observed in estradiol≥4 500 pg/ml group [OR (95%CI): 0.50 (0.25-0.97)]. Conclusion: The high level of estradiol on HCG administration day might be a risk factor for LBW, but a protective factor for premature.
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Fu ZT, Guo XL, Zhang SW, Zheng RS, Zeng HM, Chen R, Wang SM, Sun KX, Wei WW, He J. [Statistical analysis of incidence and mortality of prostate cancer in China, 2015]. ZHONGHUA ZHONG LIU ZA ZHI [CHINESE JOURNAL OF ONCOLOGY] 2020; 42:718-722. [PMID: 32988152 DOI: 10.3760/cma.j.cn112152-20200313-00200] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To estimate the incidence and mortality rates of prostate cancer in China in 2015. Methods: The data from 501 cancer registries in China collected by the National Cancer Center were reviewed and evaluated, and the qualified data were included in the final analysis. According to the national population data in 2015, the nationwide incidence and mortality of the prostate cancer were estimated. Chinese standard population in 2000 and world Segi's population were used to calculate the age-standardized (ASR) incidence and mortality rates (ASR China and world, respectively). Results: After data review, the data reported by 368 registries were included in the final analysis, covering a total population of 309 553 499, accounting for 22.52% of the national population at the end of 2015. There were 72 thousand new prostate cancer cases estimated in China in 2015, with a crude incidence rate of 10.23/100 000. The ASR China and ASR world are 6.59/100 000 and 6.47/100 000, respectively, which is the sixth incidence of male malignant tumor.The estimated number of prostate cancer death was 3.07 thousand in China in 2015, with a crude mortality rate of 4.36/100 000; The ASR China and ASR world mortality rates were 2.61/100 000 and 2.65/100 000, respectively, which is the tenth leading cause of death in male malignant tumor.The ASR China incidence and mortality of prostate cancer in males were higher in urban areas (8.40/100 000 and 3.11/100 000) than those in rural areas (4.16/100 000 and 1.90/100 000). The incidence and mortality rates in the eastern areas (8.54/100 000 and 2.99/100 000) were higher than those in the central (5.28/100 000 and 2.34/100 000) and western areas (5.32/100 000 and 2.37/100 000) of China. Conclusions: The incidence and mortality rates of prostate cancer in China are lower than the global average, but there is an increasing trend. The incidence and mortality of prostate cancer in China have obvious regional differences.
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Guo KD, Wang J, Wang QJ, Shen JC, Chen R. [Relationship between insomnia phenotype and mild cognitive impairment in young and middle-aged patients with obstructive sleep apnea hypopnea syndrome]. ZHONGHUA YI XUE ZA ZHI 2020; 100:2675-2681. [PMID: 32921016 DOI: 10.3760/cma.j.cn112137-20200511-01498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Objective: To explore the relationship between insomnia phenotype and mild cognitive impairment (MCI) in young and middle-aged patients with obstructive sleep apnea hypopnea syndrome (OSAHS). Methods: Those patients admitted due to snoring and examined by polysomnography (PSG) in the Sleep Center of the Second Affiliated Hospital of Soochow University from January 2014 to January 2019 were screened. They were between 30 and 60 years old, and their cognitive function was assessed by the Montreal cognitive assessment (MoCA) and their sleep quality was assessed by the Pittsburgh sleep quality index (PSQI). According to the sleep apnea hypopnea index (AHI), the patients were divided into three groups: snoring group (AHI<5 times/h), mild/moderate OSAHS group (5≤AHI≤30 times/h) and severe OSAHS group (AHI>30 times/h). According to the results of PSQI score, the patients were further divided into non-insomnia group (PSQI total score<8) and insomnia group (PSQI total score≥8). The differences of parameters in different groups were compared, and the relationship between OSAHS insomnia phenotype and MCI was analyzed by binary logistic regression model. Results: A total of 2 098 patients with the average age of (42.7±8.4) years old and the average BMI of (26.3±3.6) kg/m(2) were enrolled in the study, including 398 cases in snoring group (including 254 cases in non-insomnia group and 144 cases in insomnia group), 754 cases in mild/moderate OSAHS group (including 446 cases in non-insomnia group and 308 cases in insomnia group) and 946 cases in severe OSAHS group (including 722 cases in non-insomnia group and 224 cases in insomnia group). In the mild/moderate OSAHS group, compared with the non-insomnia group, the proportion of women in the insomnia group was higher with lighter degree of obesity, lighter severity of illness and lighter degree of hypoxia (all P<0.05). In the severe OSAHS group, the general characteristics of insomnia patients were similar to those of the mild/moderate OSAHS group, and the MoCA score of the insomnia group was lower than that of the non-insomnia group [(26.3±2.7) vs (25.5±2.9) points] (P=0.001). In the evaluation of each item of PSQI, the total score and daytime dysfunction score of insomnia patients in mild/moderate OSAHS group and severe OSAHS group was higher than those in snoring group [(11.2±1.9) points, (12.8±2.2) points vs (10.9±2.1) points and (1.5±0.4) points, (1.9±0.8) points vs (0.5±0.5) points], but the score in sleep latency was lower than that in snoring group [(1.5±0.5) points, (1.5±0.5) points vs (2.1±0.8) points] (all P<0.05). After correcting the effects of OSAHS disease severity, hypoxia, awake times, education, age, gender, hypnagogue, BMI, smoking and drinking history, the risk of MCI in insomnia group of severe OSAHS patients was significantly higher than that of non-insomnia group by 49% (OR=1.49, 95%CI: 1.05-2.11). Conclusion: Insomnia phenotype is a common clinical phenotype of OSAHS, and it is a risk factor for MCI in young and middle-aged patients with severe OSAHS.
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Lai Y, Wang Q, Chen R. Improved Single Image Haze Removal for Intelligent Driving. PATTERN RECOGNITION AND IMAGE ANALYSIS 2020. [DOI: 10.1134/s1054661820030177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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