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1.
Preprint em Inglês | medRxiv | ID: ppmedrxiv-22274990

RESUMO

BackgroundNo epidemiological data on post coronavirus disease (COVID-19) condition due to Omicron variant has been reported yet. MethodsThis was as a single-center, cross-sectional study, that interviewed via telephone the patients who recovered from Omicron COVID-19 infection (Omicron group), and surveyed via self-reporting questionnaire those patients infected with other strains (control group). Data on patients characteristics, information regarding the acute-phase COVID-19, as well as presence and duration of COVID-19-related symptoms were obtained. Post COVID-19 condition in this study was defined as a symptom that lasted at least 2 months within 3 months since the onset of COVID-19. We investigated and compared the prevalence of post COVID-19 condition in both groups after performing propensity score matching. ResultsWe conducted interviews for 53 out of 128 patients with Omicron, and obtained 502 responses in the control group. After matching, 18 patients each in Omicron and control group had improved covariate balance of the older adult, female sex, obese patients, and vaccination status. There were no significant differences in the prevalence of each post-acute COVID-19 symptoms between the two groups. The numbers of patients with at least one post-acute COVID-19 symptom in the Omicron and the control group were 1 (5.6%) and 10 (55.6%) (p=0.003), respectively. ConclusionThe prevalence of post Omicron COVID-19 conditions was less than that of the other strains. Further research with more participants is needed to investigate the precise epidemiology of post COVID-19 condition of Omicron, and its impact on health-related quality of life and social productivity.

2.
Preprint em Inglês | medRxiv | ID: ppmedrxiv-21253183

RESUMO

ObjectivesAlthough several randomised controlled trials have compared the efficacy of remdesivir with that of placebo, there is limited evidence regarding its effect in the early stage of nonsevere COVID-19 cases. MethodsWe evaluated the efficacy of remdesivir on the early stage of nonsevere COVID-19 using the COVID-19 Registry Japan, a nationwide registry of hospitalised COVID-19 patients in Japan. Two regimens (start remdesivir therapy within 4 days from admission vs. no remdesivir during hospitalisation) among patients without the need for supplementary oxygen therapy were compared by a three-step processing (cloning, censoring, and weighting) method. The primary outcome was supplementary oxygen requirement during hospitalisation. Secondary outcomes were 30-day fatality risk and risk of invasive mechanical ventilation or extracorporeal membrane oxygenation (IMV/ECMO). ResultsThe data of 12,657 cases met our inclusion criteria. The start remdesivir regimen showed a lower risk of supplementary oxygen requirement (hazard ratio: 0.861, p < 0.001). Both 30-day fatality risk and risk of IMV/ECMO introduction were not significantly different between the two regimens (hazard ratios: 1.05 and 0.886, p values: 0.070 and 0.440, respectively). ConclusionsRemdesivir might reduce the risk of oxygen requirement during hospitalisation in the early stage of COVID-19; however, it had no positive effect on the clinical outcome and reduction of IMV/ECMO requirement.

3.
Preprint em Inglês | medRxiv | ID: ppmedrxiv-21250349

RESUMO

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus causing coronavirus disease 2019 (COVID-19) was announced as an outbreak by the World Health Organization (WHO) in January 2020 and as a pandemic in March 2020. The majority of infected individuals have experienced no or only mild symptoms, ranging from fully asymptomatic cases to mild pneumonic disease. However, a minority of infected individuals develop severe respiratory symptoms. The objective of this study was to identify susceptible HLA alleles and clinical markers for the early identification of severe COVID-19 among hospitalized COVID-19 patients. A total of 137 patients with mild COVID-19 (mCOVID-19) and 53 patients with severe COVID-19 (sCOVID-19) were recruited from the Center Hospital of the National Center for Global Health and Medicine (NCGM), Tokyo, Japan for the period of February-August 2020. High-resolution sequencing-based typing for eight HLA genes was performed using next-generation sequencing. In the HLA association studies, HLA-A*11:01:01:01 [Pc = 0.013, OR = 2.26 (1.27-3.91)] and HLA-C*12:02:02:01-HLA-B*52:01:01:02 [Pc = 0.020, OR = 2.25 (1.24-3.92)] were found to be significantly associated with the severity of COVID-19. After multivariate analysis controlling for other confounding factors and comorbidities, HLA-A*11:01:01:01 [P = 3.34E-03, OR = 3.41 (1.50-7.73)], age at diagnosis [P = 1.29E-02, OR = 1.04 (1.01-1.07)] and sex at birth [P = 8.88E-03, OR = 2.92 (1.31-6.54)] remained significant. Early identification of potential sCOVID-19 could help clinicians prioritize medical utility and significantly decrease mortality from COVID-19.

4.
BMJ Case Rep ; 20122012 Jul 03.
Artigo em Inglês | MEDLINE | ID: mdl-22761207

RESUMO

A 43-year-old man with schizophrenia presented to our hospital with appetite loss and general fatigue lasting 1-2 months. His face was flared and swollen, and he shed tears of pus. He could answer any questions, but never complained of pain. We found dacryocystitis with subcutaneous abscess with contiguous osteomyelitis with culture-proven Stapylococcus aureus, and diabetes mellitus (DM). Although DM neuropathy was mild, he did not complain of pain. We searched thoroughly for other abscesses since S aureus grew in all four of his blood cultures. We re-examined his whole body by CT, which revealed multiple muscle abscesses in both legs. It is reviewed that schizophrenia patients are relatively insensitive to physical pain. Thus, we should keep in mind that they may have multiple, unpredictable and rare underlying diseases, such as our case. Careful and thorough examinations are essential for treatment in schizophrenia patients.


Assuntos
Osteomielite/complicações , Osteomielite/diagnóstico por imagem , Zigoma , Adulto , Dacriocistite/complicações , Humanos , Masculino , Dor/complicações , Esquizofrenia/complicações , Tomografia Computadorizada por Raios X
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