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1.
PLoS One ; 17(6): e0270334, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35749426

RESUMO

Healthcare workers (HCWs), especially frontline workers against coronavirus disease 2019 (COVID-19), are considered to be risky because of occupational exposure to infected patients. This study evaluated the correlation between seroprevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies among HCWs and the implementation of personal protective equipment (PPE) & infection prevention and control (IPC). We recruited 1237 HCWs from nine public COVID-19-designated hospitals in Shiga Prefecture, central Japan, between 15-26 February 2021. All participants answered a self-administered questionnaire and provided blood samples to evaluate SARS-CoV-2 antibodies. A total of 22 cases (1·78%) were seropositive among the 1237 study participants. An unavoidable outbreak of SARS-CoV-2 had occurred at the terminal care unit of one hospital, before identifying and securely isolating this cluster of cases. Excluding with this cluster, 0·68% of HCWs were suspected to have had previous SARS-CoV-2 infections. Binomial logistic regression from individual questionnaires and seropositivity predicted a significant correlation with N95 mask implementation under aerosol conditions (p = 8.63e-06, aOR = 2.47) and work duration in a red zone (p = 2.61e-04, aOR = 1.99). The institutional questionnaire suggested that IPC education was correlated with reduced seropositivity at hospitals. Seroprevalence and questionnaire analyses among HCWs indicated that secure implementation of PPE and re-education of IPC are essential to prevent SARS-CoV-2 infection within healthcare facilities. Occupational infections from SARS-CoV-2 in healthcare settings could be prevented by adhering to adequate measures and appropriate use of PPE. With these measures securely implemented, HCWs should not be considered against as significantly risky or dirty by local communities.


Assuntos
COVID-19 , COVID-19/epidemiologia , COVID-19/prevenção & controle , Pessoal de Saúde , Humanos , Transmissão de Doença Infecciosa do Paciente para o Profissional/prevenção & controle , Japão/epidemiologia , SARS-CoV-2 , Estudos Soroepidemiológicos
2.
Intern Med ; 41(12): 1153-7, 2002 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-12521205

RESUMO

A 60-year-old man was admitted to our hospital with marked hypercalcemia. He had no symptoms that might be caused by hypercalcemia. Plasma concentrations of calcium and intact parathyroid hormone were 15.2 mg/dl and 103 pg/ml, respectively. Radiological examinations revealed no abnormal findings. His calcium-creatinine clearance ratio was calculated to be 0.004, thus he was diagnosed as having hypocalciuric hypercalcemia. Familial hypocalciuric hypercalcemia was a plausible diagnosis, however, gene analysis of his calcium-sensing receptor (CaSR) revealed no mutation. The patient was thought to be a case of hypocalciuric hypercalcemia without mutation in the CaSR gene.


Assuntos
Cálcio/urina , Hipercalcemia/genética , Mutação , Receptores de Superfície Celular/genética , Humanos , Hipercalcemia/sangue , Masculino , Pessoa de Meia-Idade , Receptores de Detecção de Cálcio , Receptores de Superfície Celular/sangue
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