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There is no standard therapy for hemodialysis (HD) patients with COVID-19. Data on remdesivir in HD patients with COVID-19 are scarce.We retrospectively analyzed 25 HD patients with COVID-19 treated with remdesivir.The median age of the patients was 78 years (range, 45-92 years) and was predominantly male (84%). A total of 44% of the patients had mild disease, 36% had moderate-1, and 20% had moderate-2. The most common symptoms were fever (76%) and coughing (44%). The most common comorbidity was renal failure (100%), followed by hypertension (60%) and cardiac disease (44%). The most frequent biomarker was elevated creatinine (100%), followed by C-reactive protein (80%), lymphopenia (76%), and D-dimer (68%). C-reactive protein levels decreased significantly before and after remdesivir administration (p0.001). Two patients showed deterioration, but none died. All patients recovered from COVID-19 and no adverse effects of treatment with remdesivir were observed.Our study suggests the safe use of remdesivir in HD patients with COVID-19.

Highlights • Red face was seen in three patients with COVID-19. • Red face may reflect a cytokine storm. • Red face may be predictive of a sudden deterioration., Japan is currently suffering the fourth wave of the COVID-19 pandemic, with the dominant type being SARS-CoV-2 alpha variant. Patients with COVID-19 variant types show more aggressive symptoms. In the present study, three patients developed a red face during treatment. Two of them suddenly worsened shortly after. We assumed that the red face reflected a cytokine storm and conjectured that it may be a specific sign of variant type COVID-19, because we have never seen it in patients with non-variant type. Moreover, we believe that red face may be predictive of a sudden deterioration.

Several clinical manifestations of COVID-19 have been reported in the literature since then. In addition to upper respiratory symptoms, dysgeusia and anosmia are relatively common neurological manifestations with COVID-19. We had five cases of hiccups in succession; therefore, we assume that hiccups might be a specific symptom of COVID-19. We retrospectively analyzed 46 patients with COVID-19 diagnosed from February 2021 to May 2021. Among the 46 patients, 5 developed hiccups (11%). All patients were male. The median age of was 56 years. None of the patients were smokers. Further, all patients exhibited pneumonia without dysgeusia or anosmia. The median onset of hiccups was 5 days after diagnosis, with a median duration of 2 days. All patients recovered from hiccups and COVID-19. Hiccups might be a specific neurological symptom in male patients with COVID-19.