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1.
Clin Lab ; 67(10)2021 Oct 01.
Article in English | MEDLINE | ID: mdl-34655211

ABSTRACT

BACKGROUND: Monocytes play a central role in Covid-19 infection. Monocytopenia is especially observed in patients with severe infection. In our study, we aimed to investigate the effects of monocytopenia on survival in patients presenting with the suspicion of Covid-19. METHODS: Patients diagnosed with Covid-19 who received inpatient or outpatient treatment in the pandemic clinic of Umraniye Training and Research Hospital between April 2020 and July 2020 were included in our retrospective cohort study. Patients were divided into two groups, severe and non-severe. Demographic data, laboratory parameters, those who were monocytopenic at presentation, those who developed monocytopenia during follow-up, and those with persistent monocytopenia were noted. RESULTS: The study included 471 patients with a mean age of 50.4 ± 18.2 years. Sixty-seven (14.2%) patients had severe and 404 (85.8%) had non-severe disease. The minimum value of monocytes detected during the follow-up in severe patients was significantly lower (p < 0.001). As patients were grouped into those with monocytopenia at the time of admission, those with monocytopenia developing during their follow-up, and those whose monocytopenia at admission persisted, they were compared with regards to the presence or absence of severe disease. Newly developing monocytopenia and persistent monocytopenia were significant in patients with severe disease (p < 0.001, p = 0,001 respectively). Also, among non-surviving patients, there was a significant difference in survival times in the monocytopenia group (p = 0.029). CONCLUSIONS: In our study, we found more developing and persistent monocytopenia in the severe group, and the survival time was low, especially in those with newly developing monocytopenia. The development of monocytopenia in the daily hemogram follow-up of the patients may increase the possibility of mortality, which suggests that monocytopenia may be a new marker in determining survival.


Subject(s)
COVID-19 , Adult , Aged , Hospitalization , Humans , Middle Aged , Pandemics , Retrospective Studies , SARS-CoV-2
2.
Clin Lab ; 65(10)2019 Oct 01.
Article in English | MEDLINE | ID: mdl-31625350

ABSTRACT

BACKGROUND: Both the extracellular matrix molecule tenascin-C (Tn-C) and tissue inhibitors of metalloproteinases (TIMPs) have a role in tissue injury, inflammation, and remodeling. In this pilot study, we tried to evaluate the role of these markers in acute kidney injury (AKI). METHODS: A total of 52 subjects were enrolled in this study. Group 1 consisted of 27 patients with AKI (stage 1, 2, and 3), and Group 2 consisted of 25 age- and gender-matched healthy subjects. Serum and urine samples (to determine Tn-C and TIMP-1) were obtained from the participants at the beginning of the study. Second samples were obtained from Group 1 patients when renal function improved (at discharge). RESULTS: Serum TIMP-1 concentrations (admission and discharge) were higher in Group 1 than Group 2 (p = 0.0001 for both comparisons). Tn-C excretion in spot urine was significantly higher in healthy controls than at the admission levels of the patient group (p = 0.036). However, TIMP-1 excretion in spot urine was lower in healthy controls than in admission and discharge levels of the patient group (p = 0.0001 for both comparisons). CONCLUSIONS: Our results show that these biomarkers (especially TIMP-1) may have a role in the pathophysiology of AKI. Further studies are needed in this field.


Subject(s)
Acute Kidney Injury/pathology , Biomarkers/analysis , Tenascin/analysis , Tissue Inhibitor of Metalloproteinase-1/analysis , Acute Kidney Injury/blood , Acute Kidney Injury/urine , Adult , Aged , Aged, 80 and over , Biomarkers/blood , Biomarkers/urine , Female , Humans , Male , Middle Aged , Pilot Projects , Severity of Illness Index , Tenascin/blood , Tenascin/urine , Tissue Inhibitor of Metalloproteinase-1/blood , Tissue Inhibitor of Metalloproteinase-1/urine , Young Adult
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