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Centre for Signal Processing, Department of Electronic and Information EngineeringRefereed conference paper2008-2009 > Academic research: refereed > Refereed conference paperVersion of RecordPublishe

Transfusion-refractory anaemia in liver cirrhosis

published_or_final_versio

Molecular epidemiology and nasal carriage of Staphylococcus aureus and methicillin-resistant S. aureus among young children attending day care centers and kindergartens in Hong Kong

OBJECTIVES: To investigate the prevalence and molecular epidemiology of Staphylococcus aureus and methicillin-resistant S. aureus (MRSA) nasal carriage in children. METHODS: We collected nasal and nasopharyngeal swabs from 2211 children aged 2-5 years attending 79 day care centers (DCCs) and 113 kindergartens (KGs) in all 18 geographical districts in Hong Kong. RESULTS: The overall carriage rates of S. aureus and MRSA were 27.6% (95% confidence interval [CI], 24.8-28.5%) and 1.3% (95% CI, 0.8-1.8%), respectively. Molecular typing (staphylococcal cassette chromosome mec [SCCmec], sequence type [ST], clonal cluster [CC]) showed that all the 28 MRSA isolates had SCCmec IV (n = 13) or V (n = 15) including 12 isolates with community-associated-MRSA genotypes (ST59-IV/V, ST30-IV and ST88-V), 10 isolates with healthcare-associated-MRSA genotypes (ST45-IV/V, CC5-IV and ST630-V) and six isolates with novel genotypes (ST10-V and CC1-IV). Spa typing indicated that there was some within and between DCCs/KGs transmission of certain MRSA and methicillin-sensitive S. aureus strains but this was not extensive. CONCLUSION: Our findings indicate the potential for DCCs to be a reservoir for emerging MRSA genotypes and highlight the need to enhance education and infection control measures to reduce their cross-transmission in this population.postprin

Myocarditis Following COVID-19 BNT162b2 Vaccination Among Adolescents in Hong Kong

Cases of myocarditis following the second dose of messenger RNA (mRNA) vaccine are accruing worldwide, especially in younger male adults and adolescents.1-4 In weighing the risk of myocarditis against the benefit of preventing severe COVID-19, Norway, the UK, and Taiwan have suspended the second dose of mRNA vaccine for adolescents. Similarly, adolescents (aged 12-17 years) in Hong Kong have been recommended to receive 1 dose of BNT162b2 instead of 2 doses 21 days apart since September 15, 2021 (Figure)

Molecular epidemiology and nasal carriage of Staphylococcus aureus and methicillin-resistant S. aureus among young children attending day care centers and kindergartens in Hong Kong

OBJECTIVES: To investigate the prevalence and molecular epidemiology of Staphylococcus aureus and methicillin-resistant S. aureus (MRSA) nasal carriage in children. METHODS: We collected nasal and nasopharyngeal swabs from 2211 children aged 2-5 years attending 79 day care centers (DCCs) and 113 kindergartens (KGs) in all 18 geographical districts in Hong Kong. RESULTS: The overall carriage rates of S. aureus and MRSA were 27.6% (95% confidence interval [CI], 24.8-28.5%) and 1.3% (95% CI, 0.8-1.8%), respectively. Molecular typing (staphylococcal cassette chromosome mec [SCCmec], sequence type [ST], clonal cluster [CC]) showed that all the 28 MRSA isolates had SCCmec IV (n = 13) or V (n = 15) including 12 isolates with community-associated-MRSA genotypes (ST59-IV/V, ST30-IV and ST88-V), 10 isolates with healthcare-associated-MRSA genotypes (ST45-IV/V, CC5-IV and ST630-V) and six isolates with novel genotypes (ST10-V and CC1-IV). Spa typing indicated that there was some within and between DCCs/KGs transmission of certain MRSA and methicillin-sensitive S. aureus strains but this was not extensive. CONCLUSION: Our findings indicate the potential for DCCs to be a reservoir for emerging MRSA genotypes and highlight the need to enhance education and infection control measures to reduce their cross-transmission in this population.postprin

Prevalence of self-reported halitosis in Hong Kong and related factors

Poster Presentation: PP-004OBJECTIVES: The aim of this study was to estimate the prevalence of self-reported halitosis (SRH) in the territory of Hong Kong SAR, China. In addition, to identify socio-demographic, oral health, and behavioural factors associated with SRH. METHODS: A quota sample of 450 Chinese adults in Hong Kong SAR, China was recruited from random digit telephone dialing. Through anonymous telephone interview ...postprintThe SEAADE 22nd Annual Scientific Meeting, Singapore, 29-31 October 2011

Allergy in Hong Kong: an unmet need in service provision and training

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Methylation of miR-155-3p in mantle cell lymphoma and other non-Hodgkin's lymphomas

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Classification of facial periâ implant soft tissue dehiscence/deficiencies at single implant sites in the esthetic zone

BackgroundThe incidence of a periâ implant soft tissue dehiscence/deficiency (PSTD) is not a rare finding. Despite multiple previous attempts aimed at correcting the PSTDs, a classification of these conditions has not yet been proposed. This lack in the literature may also lead to discrepancies in the reported treatment outcomes and thus misinform the clinician or the readers. The aim of the present article was therefore to present a classification of periâ implant PSTD at a single implant site.MethodsFour classes of PSTDs were discussed based on the position of the gingival margin of the implantâ supported crown in relation to the homologous natural tooth. In addition, the buccoâ lingual position of the implant head was also taken into consideration. Each class was further subdivided based on the height of the anatomical papillae.ResultsSubsequently, for each respective category a surgical approach (including bilaminar techniques, the combined prostheticâ surgical approach or soft tissue augmentation with a submerged healing) was also suggested.ConclusionThis paper provides a new classification system for describing PSTDs at single implant sites, with the appropriate recommended treatment protocol.Peer Reviewedhttps://deepblue.lib.umich.edu/bitstream/2027.42/151905/1/jper10351_am.pdfhttps://deepblue.lib.umich.edu/bitstream/2027.42/151905/2/jper10351.pd