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726 results on '"Liao, Feng"'

207. Relations between baseline burden, maximum duration, and relative reduction of atrial fibrillation: Insights from continuous monitoring in rhythm control

Author

Lin, Po‐Lin, primary, Huang, Chun‐Che, additional, Wu, Yih‐Jer, additional, Su, Min‐I, additional, Chiou, Wei‐Ru, additional, Liu, Lawrence Yu‐Min, additional, Liao, Feng‐Ching, additional, Lai, Edward, additional, Chen, Chun‐Yen, additional, Kuo, Jen‐Yuan, additional, and Lee, Ying‐Hsiang, additional

Published
2019
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218. Clinicians’ and Relatives’ Attitudes towards Informing Senile Patients about their Diagnosis in China

Author

Liao Feng and Zhang Dong

Subjects
medicine.medical_specialty, Health (social science), Medical staff, business.industry, Health Policy, media_common.quotation_subject, education, Embarrassment, Communication skills training, Closest relatives, Stratified sampling, Philosophy, Beijing, Informed consent, Family medicine, medicine, business.product_line, China, business, Psychiatry, media_common
Abstract

To evaluate the attitudes towards informing senile patients about the diagnosis among Chinese clinicians, patients and their relatives, and explore the factors restricting senior citizens from implementing their right of informed consent independently, a cross-sectional study was conducted in Beijing in June 2013. 100 clinicians, 250 competent inpatients and their closest relatives chosen by stratified random sampling method were measured by a questionnaire anonymously. There were 78 doctors, 203 patients and 218 relatives who responded, and 60.6% of the patients were over 65 years old. As with the young and middle-aged, almost all senile patients desired to learn about their condition. However, to avoid dispute or other troubles, 52.9% of medical staff tended to inform the family members first, and 9.5% of relatives were reluctant to disclose all the information to senile patients for fear of embarrassment or other undesirable negative effects. So increasing the communication skills training for clinicians, abandoning the rule of family members’ consent for competent patients and publicising the positive effects of informed consent are the key measures to safeguard senile patients’ rights in China.

Published
2014

220. An efficient split-step compact finite difference method for the coupled Gross–Pitaevskii equations.

Author

Wei, Xinxin, Zhang, Luming, Wang, Shanshan, and Liao, Feng

Subjects
FINITE difference method, GROSS-Pitaevskii equations, FINITE differences, TRAPEZOIDS
Abstract

In this study, we propose an efficient split-step compact finite difference (SSCFD) method for computing the coupled Gross–Pitaevskii (CGP) equations. The coupled equations are divided into two parts, nonlinear subproblems and linear ones. Commonly, the nonlinear subproblems could be integrated directly and accurately, but it fails when the time-dependent potential cannot be integrated exactly. In this case, the midpoint and trapezoidal rules are applied approximately. At the same time, the split order is not reduced. For the linear ones, compact finite difference cannot be designed directly. To circumvent this problem, a linear transformation is introduced to decouple the system, which can make the split-step method be used again. Additionally, the proposed SSCFD method also holds for the coupled nonlinear Schrödinger (CNLS) system with time-dependent potential. Finally, numerical experiments for CGP equations and CNLS equations are well simulated, conservative properties and convergence rates are demonstrated as well. It is shown from the numerical tests that the present method is efficient and reliable. [ABSTRACT FROM AUTHOR]

Published
2019
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239. FLAMES overlaying anti-N-methyl-D-aspartate receptor encephalitis: a case report and literature review.

Author

Zhong, Rimei, Chen, Xiongjin, Liao, Feng, Lin, Zhijun, Zhang, Zhijian, Chen, Yusen, and Cui, Lili

Subjects
*ANTI-NMDA receptor encephalitis, *LITERATURE reviews, *FLAME, *SYMPTOMS, *VIRAL encephalitis, *CEREBROSPINAL fluid
Abstract

Background: In recent years, simultaneous or sequential occurrence of MOG antibody disease and anti-NMDAR encephalitis in the same patient has been reported with increasing frequency. Scholars refer to the overlapping occurrence of these two disorders as MOG antibody disease and anti-NMDAR encephalitis overlap syndrome (MNOS). Cortical T2-weighted fluid-attenuated inversion recovery (FLAIR) -hyperintense lesions in anti-MOG-associated encephalitis with seizures (FLAMES) is a rare clinical phenotype of MOGAD in which cortical FLAIR high-signal lesions are unilateral, with little spread to the cortex and meninges bilaterally. Although cases of FLAMES have been consistently reported. However, to our knowledge, such cases of FLAMES combined with NMDARE are rare. Case presentation: Here, we describe a case of FLAMES combined with anti-NMDARE. The patient was a young male, 29 years old, admitted to our hospital with isolated seizures, whose MRI showed unilateral thalamic and bilateral frontal and parietal leptomeningeal involvement. Since we were unaware of the possibility of bilateral meningo-cortical MOGAD manifestations, the case was initially diagnosed as viral encephalitis and was given antiviral therapy. The diagnosis was not clarified until anti-NMDAR-IgG and MOG-IgG positivity was detected in the cerebrospinal fluid and serum. The patient was then treated with high-dose corticosteroids and his symptoms responded well to the steroids. Therefore, this case expands the clinical spectrum of MNOS overlap syndrome. In addition, we describe the clinical features of MNOS by summarizing the existing literature and exploring the possible mechanisms of its immune response. Conclusions: Our case serves as a reminder to clinicians that when patients present with atypical clinical manifestations such as seizures, consideration should be given to MNOS and conduct testing for various relevant autoantibodies (including MOG abs) and viruses in both serum and cerebrospinal fluid, as it is easy to misdiagnose the disease as other CNS diseases, such as viral meningoencephalitis. This syndrome exhibits a high responsiveness to steroids, highlighting the critical importance of recognizing the clinical and neuroimaging features of this overlap syndrome for prompt diagnosis and treatment. Furthermore, it enriches the disease spectrum of MNOS. [ABSTRACT FROM AUTHOR]

Published
2024
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240. Identification of a Novel HIV-1 Circulating Recombinant Form (CRF85_BC) in Sichuan, China

Author

Ying Hu, Dan Yuan, Shu Liang, Liao Feng, Dongbin Wei, Yuhua Ruan, Hong Yang, Ling Su, Yali Zeng, and Guangmin Qin

Subjects
0301 basic medicine, Adult, Male, China, Genotype, Immunology, Human immunodeficiency virus (HIV), HIV Infections, Biology, medicine.disease_cause, Genome, law.invention, Fragment size, Evolution, Molecular, 03 medical and health sciences, law, Virology, medicine, Humans, Aged, Recombination, Genetic, Molecular Epidemiology, Breakpoint, virus diseases, Middle Aged, 030104 developmental biology, Infectious Diseases, Recombinant DNA, HIV-1, Female
Abstract

We report a novel HIV circulating recombinant form (CRF B/C) identified from 10 epidemiologically unlinked individuals in Sichuan province, China, all self-report infected by heterosexual behavior. Sequencing and analyzing the near-full-length genome of these strains revealed this recombinant form to be composed of subtype B (China and Thailand) and subtype C (China and India), with three subtype B segments inserted into the pol, vpu, and nef regions of the subtype C backbone. To our knowledge, this identified HIV-1 recombinant form differs from previously documented B/C forms in its distinct backbone, inserted fragment size, and breakpoints. In agreement with the current HIV nomenclature system, this novel recombinant form constitutes a novel CRF (CRF85_BC). Our present findings further enrich the diversity of the prevalent HIV-1 CRFs in China.

Published
2016

241. Projecting Dynamic Trends for HIV/AIDS in a Highly Endemic Area of China: Estimation Models for Liangshan Prefecture, Sichuan Province

Author

Guangyu Mao, Huang Jun, Li Liu, Wen Yang, Yu-Han Gong, Rong-sheng Luan, Lei Nan, Yujiang Jia, Ying Hu, Sten H. Vermund, Linglin Zhang, Jianhua Zhang, and Liao Feng

Subjects
Adult, Male, China, Sexual transmission, Endemic Diseases, Population, Prevalence, HIV Infections, Article, law.invention, Men who have sex with men, Acquired immunodeficiency syndrome (AIDS), Condom, Risk Factors, law, Virology, medicine, Humans, education, education.field_of_study, Models, Statistical, Transmission (medicine), business.industry, Incidence (epidemiology), medicine.disease, Infectious Diseases, Immunology, Female, business, Demography
Abstract

This study describes the current situation and projects dynamic trends for HIV prevalence in a highly endemic area of China, Liangshan Prefecture, Sichuan Province. Epidemiological, behavioral, and population census data from multiple sources were analyzed to extract input for an Asian Epidemic Model (AEM). Fitting curves to historical trends in HIV prevalence were used as a baseline, and future intervention scenarios were explored using the AEM. For 2007, modeled data suggested approximately 0.5% adult HIV prevalence in Liangshan, with an estimated 17,450 people living with HIV/AIDS and 3,400 new infections. With current high risk behaviors, the model predicts that adult prevalence will rise to 1.5% by 2020. Increased condom use and clean needle exchange among injection drug users (IDUs) have slowed the epidemic. The source of new HIV infections will change from a preponderance of IDU-related infections in 2007 (65.9%) to a mixed epidemic in 2020 (general population heterosexuals 45.2%, IDU 38.6%, homosexual transmission between men 12.7%, female sex workers and their clients 3.5%). We anticipate rising prevalence, stable incidence, and higher representation of sexual transmission over time. Prevention investments should target specific interventions toward sub-groups at highest risk, given that both IDUs and men who have sex with men will likely represent a majority of cases and serve as a bridge population.

Published
2009

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