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  1. Article: Bacterial coinfections in hospitalized children with COVID-19 during the SARS-CoV-2 Omicron BA.2 variant pandemic in Taiwan.

    Lai, Huan-Cheng / Hsu, Yu-Lung / Lin, Chien-Heng / Wei, Hsiu-Mei / Chen, Jiun-An / Low, Yan-Yi / Chiu, Yu-Ting / Lin, Hsiao-Chuan / Hwang, Kao-Pin

    Frontiers in medicine

    2023  Volume 10, Page(s) 1178041

    Abstract: Background: Bacterial coinfections have been widely recognized in adults with coronavirus disease 2019 (COVID-19). However, bacterial coinfections in hospitalized children with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have not been ... ...

    Abstract Background: Bacterial coinfections have been widely recognized in adults with coronavirus disease 2019 (COVID-19). However, bacterial coinfections in hospitalized children with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have not been sufficiently researched. This study aimed to determine the clinical presentations and risk factors for bacterial coinfections of pediatric inpatients during the SARS-CoV-2 Omicron BA.2 variant pandemic.
    Methods: This retrospective, observational study included patients younger than 18 years of age who were hospitalized for COVID-19 confirmed by polymerase chain reaction (PCR) or antigen rapid tests during the SARS-CoV-2 Omicron BA.2 variant pandemic. Data and outcomes of these patients with or without bacterial coinfections were compared.
    Results: During this study period, 161 children with confirmed COVID-19 were hospitalized. Twenty-four had bacterial coinfections. The most frequently reported concurrent diagnosis was bacterial enteritis, followed by lower respiratory tract infections. Children with bacterial coinfections had higher white blood cell (WBC) counts and PCR cycle threshold values. The bacterial coinfection group comprised a relatively greater proportion of patients who required high-flow nasal cannula oxygen and remdesivir. The length of stay in the hospital and that in the intensive care unit were longer for children with COVID-19 with bacterial coinfections. Mortality was not observed in either group. Abdominal pain, diarrhea, and comorbidity with neurologic illnesses were risk factors for bacterial coinfections with COVID-19.
    Conclusion: This study provides clinicians with reference points for the detection of COVID-19 in children and its possible association with bacterial infections. Children with COVID-19 and neurologic diseases who present with abdominal pain or diarrhea are at risk of bacterial coinfections. Prolonged fever duration and higher PCR test cycle threshold values, WBC levels, and high-sensitivity C-reactive protein (hsCRP) levels may indicate bacterial coinfections in children with COVID-19.
    Language English
    Publishing date 2023-04-18
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2775999-4
    ISSN 2296-858X
    ISSN 2296-858X
    DOI 10.3389/fmed.2023.1178041
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  2. Article ; Online: Coronavirus disease 2019 (COVID-19) associated bacterial coinfection: Incidence, diagnosis and treatment.

    Wu, Huan-Yi / Chang, Peng-Hao / Chen, Kuan-Yu / Lin, I-Fan / Hsih, Wen-Hsin / Tsai, Wan-Lin / Chen, Jiun-An / Lee, Susan Shin-Jung

    Journal of microbiology, immunology, and infection = Wei mian yu gan ran za zhi

    2022  

    Abstract: Coronavirus disease 2019 (COVID-19) emerged as a pandemic that spread rapidly around the world, causing nearly 500 billion infections and more than 6 million deaths to date. During the first wave of the pandemic, empirical antibiotics was prescribed in ... ...

    Abstract Coronavirus disease 2019 (COVID-19) emerged as a pandemic that spread rapidly around the world, causing nearly 500 billion infections and more than 6 million deaths to date. During the first wave of the pandemic, empirical antibiotics was prescribed in over 70% of hospitalized COVID-19 patients. However, research now shows a low incidence rate of bacterial coinfection in hospitalized COVID-19 patients, between 2.5% and 5.1%. The rate of secondary infections was 3.7% in overall, but can be as high as 41.9% in the intensive care units. Over-prescription of antibiotics to treat COVID-19 patients fueled the ongoing antimicrobial resistance globally. Diagnosis of bacterial coinfection is challenging due to indistinguishable clinical presentations with overlapping lower respiratory tract symptoms such as fever, cough and dyspnea. Other diagnostic methods include conventional culture, diagnostic syndromic testing, serology test and biomarkers. COVID-19 patients with bacterial coinfection or secondary infection have a higher in-hospital mortality and longer length of stay, timely and appropriate antibiotic use aided by accurate diagnosis is crucial to improve patient outcome and prevent antimicrobial resistance.
    Language English
    Publishing date 2022-10-07
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 1497590-7
    ISSN 1995-9133 ; 1684-1182 ; 0253-2662
    ISSN (online) 1995-9133
    ISSN 1684-1182 ; 0253-2662
    DOI 10.1016/j.jmii.2022.09.006
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  3. Article ; Online: Detection of respiratory pathogens by application of multiplex PCR panel during early period of COVID-19 pandemic in a tertiary hospital in Central Taiwan.

    Chiu, Yu-Ting / Tien, Ni / Lin, Hsiao-Chuan / Wei, Hsiu-Mei / Lai, Huan-Cheng / Chen, Jiun-An / Low, Yan-Yi / Lin, Hsiu-Hsien / Hsu, Yu-Lung / Hwang, Kao-Pin

    Journal of microbiology, immunology, and infection = Wei mian yu gan ran za zhi

    2021  

    Abstract: Background: Respiratory tract infections (RTIs) represent a major cause of clinical visits worldwide. Viral epidemiology of RTIs in adults has been less studied compared to children. FilmArray respiratory panel (FA-RP), a multiplex, real time polymerase ...

    Abstract Background: Respiratory tract infections (RTIs) represent a major cause of clinical visits worldwide. Viral epidemiology of RTIs in adults has been less studied compared to children. FilmArray respiratory panel (FA-RP), a multiplex, real time polymerase chain reaction method can simultaneously detect the nucleic acids of multiple pathogens. The purpose of this study is to analyze the epidemiology and clinical presentations of an RTI cohort.
    Methods: This retrospective cohort study was conducted at China Medical University Hospital (CMUH) and China Medical University Children's Hospital (CMUCH), from January 2020 to June 2020. The FA-RP results were collected and analyzed according to upper versus lower RTIs.
    Results: Among 253 respiratory samples tested, 135 (53.4%) were from adults and 118 (46.6%) from children. A total positive rate of 33.9% (86/253) was found, with 21.48% (29/135) in adults and 48.31% (57/118) in children. Human rhinovirus/Enterovirus (HRV/EV) was detected in most of the age groups and was more common in URIs. HRV/EV was found as a frequent co-detection virus. Among children, HRV/EV was the most detected pathogen of URIs, while the most predominant pathogen in LRIs was Mycoplasma pneumoniae.
    Conclusions: FA-RP has the potential to improve the detection rate of respiratory pathogens. The positive rate of FA-RP was higher in children compared to adults, which likely corresponds to the higher incidence of viral RTIs in children. Different pathogens may lead to different types of respiratory infections.
    Language English
    Publishing date 2021-10-06
    Publishing country England
    Document type Journal Article
    ZDB-ID 1497590-7
    ISSN 1995-9133 ; 1684-1182 ; 0253-2662
    ISSN (online) 1995-9133
    ISSN 1684-1182 ; 0253-2662
    DOI 10.1016/j.jmii.2021.09.011
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  4. Article ; Online: Bacillus Calmette-Guérin (BCG) osteomyelitis among children: Experience in a single tertiary center in central Taiwan.

    Low, Yan Yi / Hsu, Yu-Lung / Chen, Jiun-An / Wei, Hsiu-Mei / Lai, Huan-Cheng / Chiu, Yu-Ting / Kuo, Chien-Chung / Lin, Hsiao-Chuan / Hwang, Kao-Pin

    Journal of microbiology, immunology, and infection = Wei mian yu gan ran za zhi

    2021  Volume 55, Issue 5, Page(s) 965–972

    Abstract: Background: The insidious nature of BCG-osteomyelitis makes it challenging for clinicians to detect it early on.: Methods: This 12-year retrospective analysis was conducted at a single tertiary hospital in central Taiwan. Electronic medical records ... ...

    Abstract Background: The insidious nature of BCG-osteomyelitis makes it challenging for clinicians to detect it early on.
    Methods: This 12-year retrospective analysis was conducted at a single tertiary hospital in central Taiwan. Electronic medical records of pediatric patients treated for BCG-osteomyelitis were reviewed. Demographics, clinical features, and laboratory findings were compared with patients diagnosed with culture-proven pyogenic osteomyelitis.
    Results: In total, eight patients fulfilled our inclusion criteria. Their median age was 16 months, and no obvious gender prevalence was found. Six of the eight patients had lesions involving the lower extremities. When compared with the pyogenic osteomyelitis group, age of disease onset was found to be significantly younger in the BCG osteomyelitis group (p=0.038). Absence of fever and pain in the BCG osteomyelitis group was found to be statistically significant when compared with the pyogenic group (p=0.002 and p=0.026 respectively). CRP and ESR were found to be significantly higher in the pyogenic osteomyelitis group (p=0.000 and p=0.004 respectively).
    Conclusion: BCG-related osteomyelitis must be considered when evaluating an afebrile child presenting with an unexplainable swelling or limp, and especially when the lesion is located on a lower limb. Laboratory studies may reveal normal WBC and CRP, with a normal to modest elevation of ESR. Imaging studies, including plain radiographs, magnetic resonance imaging (MRI), or computed tomography (CT) should be employed to rule out BCG-related osteomyelitis. Early diagnosis help minimize inappropriate antibiotics use, and may lead to a better outcome.
    MeSH term(s) Humans ; Child ; Infant ; BCG Vaccine/adverse effects ; Retrospective Studies ; Taiwan/epidemiology ; Osteomyelitis/diagnosis ; Osteomyelitis/drug therapy ; Mycobacterium bovis ; Anti-Bacterial Agents/therapeutic use
    Chemical Substances BCG Vaccine ; Anti-Bacterial Agents
    Language English
    Publishing date 2021-10-08
    Publishing country England
    Document type Journal Article
    ZDB-ID 1497590-7
    ISSN 1995-9133 ; 1684-1182 ; 0253-2662
    ISSN (online) 1995-9133
    ISSN 1684-1182 ; 0253-2662
    DOI 10.1016/j.jmii.2021.09.007
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Clinical characteristics and outcomes of culture-negative versus culture-positive osteomyelitis in children treated at a tertiary hospital in central Taiwan.

    Chen, Jiun-An / Lin, Hsiao-Chuan / Wei, Hsiu-Mei / Hsu, Yu-Lung / Lai, Huan-Cheng / Low, Yan Yi / Chiu, Yu-Ting / Kuo, Chien-Chung / Hwang, Kao-Pin

    Journal of microbiology, immunology, and infection = Wei mian yu gan ran za zhi

    2020  Volume 54, Issue 6, Page(s) 1061–1069

    Abstract: Background: The causative pathogen of pediatric osteomyelitis is often unidentified despite culturing attempts. This study evaluated and compared the clinical characteristics, therapeutic approach, and outcomes of osteomyelitis caused by unknown ... ...

    Abstract Background: The causative pathogen of pediatric osteomyelitis is often unidentified despite culturing attempts. This study evaluated and compared the clinical characteristics, therapeutic approach, and outcomes of osteomyelitis caused by unknown pathogens and identified microorganisms.
    Method: This 17-year retrospective study was conducted at a tertiary hospital in central Taiwan. Medical records of children aged less than 18 years with a diagnosis of osteomyelitis between 2003 and 2019 were reviewed.
    Result: In total, 70 patients (median age = 6.4 years; male = 65.7%) fulfilled the inclusion criteria, of whom 33 (47.1%) were culture negative. Staphylococcus aureus was the main pathogen (67.6% of identified bacteria). The proportion of methicillin-resistant S. aureus (MRSA) was 44% and 54.5% of the MRSA isolates exhibited clindamycin resistance. Compared to children with culture-positive osteomyelitis, those with culture-negative osteomyelitis had a lower rate of concomitant septic arthritis (40.5% vs. 15.2%, p = 0.019) and leukocytosis on presentation (45.9% vs. 21.2%, p = 0.030); they also required fewer surgical interventions (56.8% vs. 24.2%, p = 0.006) and received a shorter course of total antibiotic therapy (49.0 vs. 43.0 days, p = 0.045). In the culture-negative group, the MRSA coverage rate was 18.8% during initial empirical therapy and increased to 59.4% during further adjusted therapy. The overall complication rate was 18.6% and was lower in the culture-negative group (32.4% vs. 3.0%, p = 0.002).
    Conclusion: In areas where community-associated MRSA and clindamycin resistance strains are a concern, empirical glycopeptide-based therapy is suggested in pediatric osteomyelitis, particularly in those with culture-negative infections.
    MeSH term(s) Anti-Bacterial Agents/therapeutic use ; Bacteria/classification ; Bacteria/isolation & purification ; Child ; Child, Preschool ; Clindamycin/therapeutic use ; Drug Resistance, Bacterial ; Female ; Glycopeptides/therapeutic use ; Humans ; Infant ; Male ; Methicillin-Resistant Staphylococcus aureus/isolation & purification ; Osteomyelitis/diagnosis ; Osteomyelitis/microbiology ; Osteomyelitis/therapy ; Retrospective Studies ; Staphylococcus aureus/isolation & purification ; Taiwan ; Tertiary Care Centers ; Treatment Outcome
    Chemical Substances Anti-Bacterial Agents ; Glycopeptides ; Clindamycin (3U02EL437C)
    Language English
    Publishing date 2020-08-18
    Publishing country England
    Document type Comparative Study ; Journal Article
    ZDB-ID 1497590-7
    ISSN 1995-9133 ; 1684-1182 ; 0253-2662
    ISSN (online) 1995-9133
    ISSN 1684-1182 ; 0253-2662
    DOI 10.1016/j.jmii.2020.08.005
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  6. Article ; Online: Recommendations and guidelines for the diagnosis and management of Coronavirus Disease-19 (COVID-19) associated bacterial and fungal infections in Taiwan.

    Wu, Huan-Yi / Chang, Peng-Hao / Huang, Yu-Shan / Tsai, Chin-Shiang / Chen, Kuan-Yu / Lin, I-Fan / Hsih, Wen-Hsin / Tsai, Wan-Lin / Chen, Jiun-An / Yang, Te-Liang / Lee, Chun-Yuan / Ho, Tzong-Shiann / Wang, Hsiao-Wei / Huang, Shiang-Fen / Wu, Alice Ying-Jung / Chen, Hung-Jui / Chen, Yi-Ching / Chen, Wan-Chen / Tseng, Chien-Hao /
    Lin, Pei-Chin / Yang, Ching-Hsiang / Hong, Pi-Lien / Lee, Susan Shin-Jung / Chen, Yao-Shen / Liu, Yung-Ching / Wang, Fu-Der

    Journal of microbiology, immunology, and infection = Wei mian yu gan ran za zhi

    2022  Volume 56, Issue 2, Page(s) 207–235

    Abstract: Coronavirus disease-19 (COVID-19) is an emerging infectious disease caused by SARS-CoV-2 that has rapidly evolved into a pandemic to cause over 600 million infections and more than 6.6 million deaths up to Nov 25, 2022. COVID-19 carries a high mortality ... ...

    Abstract Coronavirus disease-19 (COVID-19) is an emerging infectious disease caused by SARS-CoV-2 that has rapidly evolved into a pandemic to cause over 600 million infections and more than 6.6 million deaths up to Nov 25, 2022. COVID-19 carries a high mortality rate in severe cases. Co-infections and secondary infections with other micro-organisms, such as bacterial and fungus, further increases the mortality and complicates the diagnosis and management of COVID-19. The current guideline provides guidance to physicians for the management and treatment of patients with COVID-19 associated bacterial and fungal infections, including COVID-19 associated bacterial infections (CABI), pulmonary aspergillosis (CAPA), candidiasis (CAC) and mucormycosis (CAM). Recommendations were drafted by the 7th Guidelines Recommendations for Evidence-based Antimicrobial agents use Taiwan (GREAT) working group after review of the current evidence, using the grading of recommendations assessment, development, and evaluation (GRADE) methodology. A nationwide expert panel reviewed the recommendations in March 2022, and the guideline was endorsed by the Infectious Diseases Society of Taiwan (IDST). This guideline includes the epidemiology, diagnostic methods and treatment recommendations for COVID-19 associated infections. The aim of this guideline is to provide guidance to physicians who are involved in the medical care for patients with COVID-19 during the ongoing COVID-19 pandemic.
    MeSH term(s) Humans ; COVID-19/diagnosis ; COVID-19/epidemiology ; SARS-CoV-2 ; Taiwan/epidemiology ; Pandemics ; Mycoses/diagnosis ; Mycoses/drug therapy ; COVID-19 Testing
    Language English
    Publishing date 2022-12-21
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 1497590-7
    ISSN 1995-9133 ; 1684-1182 ; 0253-2662
    ISSN (online) 1995-9133
    ISSN 1684-1182 ; 0253-2662
    DOI 10.1016/j.jmii.2022.12.003
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