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Article: Evaluation of a Lateral Flow Immunoassay for Rapid Detection of CTX-M Producers from Blood Cultures.

Fang, Hanshu / Lee, Chung-Ho / Cao, Huiluo / Jiang, Shuo / So, Simon Yung-Chun / Tse, Cindy Wing-Sze / Cheng, Vincent Chi-Chung / Ho, Pak-Leung

Microorganisms

2023 Volume 11, Issue 1

Abstract: Bacteremia caused by extended-spectrum β-lactamases- ... ...

Abstract	Bacteremia caused by extended-spectrum β-lactamases-producing
Language	English
Publishing date	2023-01-04
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2720891-6
ISSN	2076-2607
ISSN	2076-2607
DOI	10.3390/microorganisms11010128
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Genomic Investigation of

Li, Xin / Cao, Huiluo / Chen, Jonathan Hon-Kwan / Ng, Yuey-Zhun / Fung, Ka-Kin / Cheng, Vincent Chi-Chung / Ho, Pak-Leung

Microorganisms

2023 Volume 11, Issue 3

Abstract: Typhoid fever is a notable disease in Hong Kong. We noticed two local cases of typhoid fever caused ... ...

Abstract	Typhoid fever is a notable disease in Hong Kong. We noticed two local cases of typhoid fever caused by
Language	English
Publishing date	2023-03-06
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2720891-6
ISSN	2076-2607
ISSN	2076-2607
DOI	10.3390/microorganisms11030667
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Article ; Online: High-performance monolayer MoS

Chou, Bo-Jhih / Chung, Yun-Yan / Yun, Wei-Sheng / Hsu, Chen-Feng / Li, Ming-Yang / Su, Sheng-Kai / Liew, San-Lin / Hou, Vincent Duen-Huei / Chen, Chien-Wei / Kei, Chi-Chung / Shen, Yun-Yang / Chang, Wen-Hao / Lee, T Y / Cheng, Chao-Ching / Radu, Iuliana P / Chien, Chao-Hsin

Nanotechnology

2024 Volume 35, Issue 12

Abstract: In this article, a 0.7 nm thick monolayer ... ...

Abstract	In this article, a 0.7 nm thick monolayer MoS
Language	English
Publishing date	2024-01-04
Publishing country	England
Document type	Journal Article
ZDB-ID	1362365-5
ISSN	1361-6528 ; 0957-4484
ISSN (online)	1361-6528
ISSN	0957-4484
DOI	10.1088/1361-6528/ad134b
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Article ; Online: Estimating Coronavirus Disease 2019 Infection Risk in Health Care Workers.

Cheng, Vincent Chi-Chung / Wong, Shuk-Ching / Yuen, Kwok-Yung

JAMA network open

2020 Volume 3, Issue 5, Page(s) e209687

MeSH term(s)	Betacoronavirus ; COVID-19 ; Coronavirus ; Coronavirus Infections ; Health Personnel ; Humans ; Pandemics ; Pneumonia, Viral ; Prevalence ; SARS-CoV-2
Keywords	covid19
Language	English
Publishing date	2020-05-01
Publishing country	United States
Document type	Journal Article ; Comment
ISSN	2574-3805
ISSN (online)	2574-3805
DOI	10.1001/jamanetworkopen.2020.9687
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Article: The Emergence of

Wong, Shuk-Ching / Chau, Pui-Hing / Chen, Hong / So, Simon Yung-Chun / Chiu, Kelvin Hei-Yeung / Chen, Jonathan Hon-Kwan / Li, Xin / Chui, Celine Sze-Ling / Yuen, Kwok-Yung / Cheng, Vincent Chi-Chung

Infection and drug resistance

2024 Volume 17, Page(s) 1419–1429

Abstract: Purpose: This study describes the emergence of : Patients and methods: Data were collected from 43 public hospitals across seven healthcare networks (A to G) in Hong Kong, including : Results: Candida albicans: Conclusion: There is no evidence ... ...

Abstract	Purpose: This study describes the emergence of Patients and methods: Data were collected from 43 public hospitals across seven healthcare networks (A to G) in Hong Kong, including Results: Candida albicans Conclusion: There is no evidence showing correlation between the emergence of
Language	English
Publishing date	2024-04-11
Publishing country	New Zealand
Document type	Journal Article
ZDB-ID	2494856-1
ISSN	1178-6973
ISSN	1178-6973
DOI	10.2147/IDR.S451742
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Article ; Online: Antibiotic prescribing behavior among physicians in Asia: a multinational survey.

Wiboonchutikula, Chonlanan / Kim, Hong Bin / Honda, Hitoshi / Xin Loo, Audrey Yong / Chi-Chung Cheng, Vincent / Camins, Bernard / Jantarathaneewat, Kittiya / Apisarnthanarak, Piyaporn / Rutjanawech, Sasinuch / Apisarnthanarak, Anucha

Antimicrobial stewardship & healthcare epidemiology : ASHE

2023 Volume 3, Issue 1, Page(s) e112

Abstract: Objective: To evaluate antibiotic prescribing behavior (APB) among physicians with various specialties in five Asian countries.: Design: Survey of antibiotics prescribing behavior in three stages (initial, on-treatment, and de-escalation stages).: ... ...

Abstract	Objective: To evaluate antibiotic prescribing behavior (APB) among physicians with various specialties in five Asian countries. Design: Survey of antibiotics prescribing behavior in three stages (initial, on-treatment, and de-escalation stages). Methods: Participants included internists, infectious diseases (ID) specialists, hematologists, intensivists, and surgeons. Participants' characteristics, patterns of APB, and perceptions of antimicrobial stewardship were collected. A multivariate analysis was conducted to evaluate factors associated with appropriate APB. Results: There were 367 participants. The survey response rate was 82.5% (367/445). For the initial stage, different specialties had different choices for empiric treatment. For the on-treatment stage, if the patient does not respond to empiric treatment, most respondents will step up to broader-spectrum antibiotics (273/367: 74.39%). For the de-escalation stage, the rate of de-escalation was 10%-60% depending on the specialty. Most respondents would de-escalate antibiotics based on guidelines (250/367: 68.12%). De-escalation was mostly reported by ID specialists (66/106: 62.26%). Respondents who reported that they performed laboratory investigations prior to empirical antibiotic prescriptions (aOR = 2.83) were associated with appropriate use, while respondents who reported ID consultation were associated with appropriate antibiotic management for infections not responding to empiric treatment (aOR = 40.87); adherence with national guidelines (aOR = 2.57) was associated with reported successful carbapenem de-escalation. Conclusion: This study highlights the variation in practices and gaps in appropriate APB on three stages of antibiotic prescription among different specialties. Education on appropriate investigation, partnership with ID specialist, and availability and adherence with national guidelines are critical to help guide appropriate APB among different specialties.
Language	English
Publishing date	2023-06-29
Publishing country	England
Document type	Journal Article
ISSN	2732-494X
ISSN (online)	2732-494X
DOI	10.1017/ash.2023.190
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Article ; Online: Antibiotic use in hospitalized patients with COVID-19

Joseph Edgar Blais / Weixin Zhang / Yun Lin / Celine SL Chui / Vincent Chi-Chung Cheng / Benjamin John Cowling / Peng Wu

Antimicrobial Stewardship & Healthcare Epidemiology, Vol

a population-based study in Hong Kong

2023 Volume 3

Abstract: Abstract Background: Hong Kong experienced four epidemic waves caused by the ancestral strain of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in 2020–2021 and a large Omicron wave in 2022. Few studies have assessed antibacterial ... ...

Abstract	Abstract Background: Hong Kong experienced four epidemic waves caused by the ancestral strain of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in 2020–2021 and a large Omicron wave in 2022. Few studies have assessed antibacterial prescribing for coronavirus disease 2019 (COVID-19) inpatients throughout the pandemic. Objectives: To describe inpatient antibacterial prescribing and explore factors associated with their prescription. Methods: Electronic health records of patients with COVID-19 admitted to public hospitals in Hong Kong from 21 January 2020 to 30 September 2022 were used to assess the prevalence and rates of inpatient antibacterial drug use (days of therapy/1,000 patient days [DOT/1,000 PD]). We used multivariable logistic regression to investigate potential associations between patients’ baseline characteristics and disease severity and prescription of an antibacterial drug during hospital admission. Results: Among 65,810 inpatients with COVID-19, 54.0% were prescribed antibacterial drugs (550.5 DOT/1,000 PD). Compared to waves 1–2 (46.7%; 246.9 DOT/1,000 PD), the prescriptions were lowest during wave 4 (28.0%; 246.9; odds ratio (OR): 0.39, 95% CI: 0.31–0.49) and peaked in early wave 5 (64.6%; 661.2; 0.82, 0.65–1.03). Older age (≥80 years: OR 2.66, 95% CI, 2.49–2.85; 60–79 years: 1.59, 1.51–1.69, compared with 20–59 years), more severe disease (fatal: 3.64, 3.2–4.16; critical: 2.56, 2.14–3.06, compared with severe), and COVID-19 vaccine doses (two doses: 0.74, 0.69–0.78; three doses: 0.69, 0.64–0.74; four doses: 0.52, 0.44–0.62, compared with unvaccinated) were associated with inpatient antibacterial drug use. Conclusions: Antibacterial prescribing changed over time for hospitalized patients with confirmed COVID-19 and was potentially related to patients’ demographics, medical conditions, and COVID-19 vaccination status as well as healthcare capacity during epidemic waves.
Keywords	Infectious and parasitic diseases ; RC109-216 ; Public aspects of medicine ; RA1-1270
Subject code	610
Language	English
Publishing date	2023-01-01T00:00:00Z
Publisher	Cambridge University Press
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Antibiotic use in hospitalized patients with COVID-19: a population-based study in Hong Kong.

Blais, Joseph Edgar / Zhang, Weixin / Lin, Yun / Chui, Celine Sl / Cheng, Vincent Chi-Chung / Cowling, Benjamin John / Wu, Peng

Antimicrobial stewardship & healthcare epidemiology : ASHE

2023 Volume 3, Issue 1, Page(s) e205

Abstract: Background: Hong Kong experienced four epidemic waves caused by the ancestral strain of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in 2020-2021 and a large Omicron wave in 2022. Few studies have assessed antibacterial prescribing for ... ...

Abstract	Background: Hong Kong experienced four epidemic waves caused by the ancestral strain of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in 2020-2021 and a large Omicron wave in 2022. Few studies have assessed antibacterial prescribing for coronavirus disease 2019 (COVID-19) inpatients throughout the pandemic. Objectives: To describe inpatient antibacterial prescribing and explore factors associated with their prescription. Methods: Electronic health records of patients with COVID-19 admitted to public hospitals in Hong Kong from 21 January 2020 to 30 September 2022 were used to assess the prevalence and rates of inpatient antibacterial drug use (days of therapy/1,000 patient days [DOT/1,000 PD]). We used multivariable logistic regression to investigate potential associations between patients' baseline characteristics and disease severity and prescription of an antibacterial drug during hospital admission. Results: Among 65,810 inpatients with COVID-19, 54.0% were prescribed antibacterial drugs (550.5 DOT/1,000 PD). Compared to waves 1-2 (46.7%; 246.9 DOT/1,000 PD), the prescriptions were lowest during wave 4 (28.0%; 246.9; odds ratio (OR): 0.39, 95% CI: 0.31-0.49) and peaked in early wave 5 (64.6%; 661.2; 0.82, 0.65-1.03). Older age (≥80 years: OR 2.66, 95% CI, 2.49-2.85; 60-79 years: 1.59, 1.51-1.69, compared with 20-59 years), more severe disease (fatal: 3.64, 3.2-4.16; critical: 2.56, 2.14-3.06, compared with severe), and COVID-19 vaccine doses (two doses: 0.74, 0.69-0.78; three doses: 0.69, 0.64-0.74; four doses: 0.52, 0.44-0.62, compared with unvaccinated) were associated with inpatient antibacterial drug use. Conclusions: Antibacterial prescribing changed over time for hospitalized patients with confirmed COVID-19 and was potentially related to patients' demographics, medical conditions, and COVID-19 vaccination status as well as healthcare capacity during epidemic waves.
Language	English
Publishing date	2023-11-07
Publishing country	England
Document type	Journal Article
ISSN	2732-494X
ISSN (online)	2732-494X
DOI	10.1017/ash.2023.485
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Article ; Online: Antimicrobial susceptibility of Bacteroides fragilis group organisms in Hong Kong, 2020-2021.

Fang, Hanshu / Li, Xin / Yan, Mei-Kum / Tong, Man-Ki / Chow, Kin-Hung / Cheng, Vincent Chi-Chung / Ho, Pak-Leung

Anaerobe

2023 Volume 82, Page(s) 102756

Abstract: Objectives: This retrospective study analyzed the susceptibility levels of Bacteroides fragilis group (BFG) in a hospital-based laboratory where disk diffusion test (DDT) was routinely performed. Isolates non-susceptible to imipenem and metronidazole by ...

Abstract	Objectives: This retrospective study analyzed the susceptibility levels of Bacteroides fragilis group (BFG) in a hospital-based laboratory where disk diffusion test (DDT) was routinely performed. Isolates non-susceptible to imipenem and metronidazole by DDT were further investigated using a gradient method. Methods: The DDT and MIC susceptibility data of clindamycin, metronidazole, moxifloxacin and imipenem obtained on Brucella blood agar for 1264 non-duplicated isolates during 2020-2021 were analyzed. Species identification was obtained by matrix-assisted laser desorption ionization time-of-flight mass spectrometry and 16S rRNA sequencing. Interpretative agreement of DDT results using the 2015 EUCAST tentative and 2021 CA-SFM breakpoints was compared against MIC as the reference. Results: The dataset included 604 B. fragilis (483 division I, 121 division II isolates), 415 non-fragilis Bacteroides, 177 Phocaeicola and 68 Parabacteroides. Susceptibility rates for clindamycin (22.1-62.1%) and moxifloxacin (59.9-80.9%) were low and many had no inhibition zones. At the EUCAST and CA-SFM breakpoints, 83.0 and 89.4% were imipenem-susceptible, and 89.6% and 97.4 were metronidazole-susceptible. MIC testing confirmed 11.4% and 2.8% isolates as imipenem-non-susceptible and metronidazole-resistant, respectively. Significant numbers of false-susceptibility and/or false-resistance results were observed at the CA-SFM breakpoint but not the EUCAST breakpoint. Higher rates of imipenem and/or metronidazole resistance were detected in B. fragilis division II, B. caccae, B. ovatus, B. salyersiae, B. stercoris and Parabacteroides. Co-resistance to imipenem and metronidazole was detected in 3 B. fragilis division II isolates. Conclusions: The data demonstrated emerging BFG resistance to several important anti-anaerobic antibiotics and highlights the importance of anaerobic susceptibility testing in clinical laboratories to guide therapy.
MeSH term(s)	Bacteroides ; Bacteroides fragilis ; Clindamycin ; Metronidazole ; Moxifloxacin ; Hong Kong ; Retrospective Studies ; RNA, Ribosomal, 16S/genetics ; Microbial Sensitivity Tests ; Anti-Bacterial Agents/pharmacology ; Imipenem/pharmacology
Chemical Substances	Clindamycin (3U02EL437C) ; Metronidazole (140QMO216E) ; Moxifloxacin (U188XYD42P) ; RNA, Ribosomal, 16S ; Anti-Bacterial Agents ; Imipenem (71OTZ9ZE0A)
Language	English
Publishing date	2023-07-08
Publishing country	England
Document type	Journal Article
ZDB-ID	1237621-8
ISSN	1095-8274 ; 1075-9964
ISSN (online)	1095-8274
ISSN	1075-9964
DOI	10.1016/j.anaerobe.2023.102756
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Article ; Online: Air dispersal of multidrug-resistant organisms including methicillin-resistant Staphylococcus aureus, carbapenem-resistant Acinetobacter baumannii, and carbapenemase-producing Enterobacterales in general wards: surveillance culture of air grilles.

Wong, Shuk-Ching / Hon-Kwan Chen, Jonathan / Oi-Tung Kwok, Monica / Yuen-Ki Siu, Crystal / Lai-Ha Yuen, Lithia / Ho-Yan AuYeung, Christine / Li, Chi-Kuen / Hong-Yan Li, Bella / Wai-Ka Chan, Betsy / Yung-Chun So, Simon / Hei-Yeung Chiu, Kelvin / Yuen, Kwok-Yung / Chi-Chung Cheng, Vincent

The Journal of hospital infection

2024

Abstract: Background: The environmental surveillance of air grilles in clinical areas has not been systematically analyzed.: Methods: Samples were collected from frequently-touched items (n=529), air supply (n=295) and exhaust (n=184) grilles in six medical ... ...

Abstract	Background: The environmental surveillance of air grilles in clinical areas has not been systematically analyzed. Methods: Samples were collected from frequently-touched items (n=529), air supply (n=295) and exhaust (n=184) grilles in six medical and eleven surgical wards for the cultures of multidrug-resistant organisms (MDROs): methicillin-resistant Staphylococcus aureus (MRSA), carbapenem-resistant Acinetobacter baumannii (CRAB), and carbapenemase-producing Enterobacterales (CPE), and isolates were selected for whole-genome analysis (WGS). The contamination rates were correlated with the colonization pressures of the respective MDROs. Results: From 3-October to 21-November 2023, 9.8% (99/1008) of the samples tested positive, with MRSA (24.2%,24/99), CRAB (59.6%,59/99), and CPE (2.0%,2/99), being the only detected MDROs. The contamination rate in air exhaust grilles (26.6%,49/184) was significantly higher than in air supply grilles (5.8%,17/295;p<0.001). The contamination rate of air exhaust grilles with any MDRO in acute medical wards (73.7%,14/19) was significantly higher than in surgical wards (12.5%,4/32;p<0.001). However, there was no difference in the contamination rate of air exhaust grilles between those located inside and outside the cohort cubicles for MDROs (27.1%,13/48 vs. 28.8%,30/104;p=0.823). Nevertheless, the weekly CRAB colonization pressure showed a significant correlation with the overall environmental contamination rate (r=0.878; 95%CI:0.136-0.986;p=0.004), as well as with the contamination rate in air supply grilles (r=0.960;95%CI:0.375-0.999;p<0.001) and air exhaust grilles (r=0.850;95%CI:0.401-0.980;p=0.008). WGS demonstrated clonal relatedness of isolates collected from patients and air exhaust grilles. Conclusions: Air grilles may serve as MDRO reservoirs. Cohort nursing in open cubicles may not completely prevent MDRO transmission through air dispersal, prompting the consideration of future hospital design.
Language	English
Publishing date	2024-05-03
Publishing country	England
Document type	Journal Article
ZDB-ID	779366-2
ISSN	1532-2939 ; 0195-6701
ISSN (online)	1532-2939
ISSN	0195-6701
DOI	10.1016/j.jhin.2024.04.011
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