期刊
ACUTE AND CRITICAL CARE
卷 38, 期 2, 页码 172-181出版社
KOREAN SOC CRITICAL CARE MEDICINE
DOI: 10.4266/acc.2022.01494
关键词
acute kidney injury; central venous pressure; COVID-19; inflammation; positive end-expiratory pressure
This study investigated the impact of positive pressure ventilation, central venous pressure (CVP), and inflammation on acute kidney injury (AKI) in mechanically ventilated COVID-19 patients. The results showed that high CVP levels and leukocytes count were associated with an increased risk of AKI, while PEEP levels did not appear to influence the occurrence of AKI.
Background: The role of positive pressure ventilation, central venous pressure (CVP) and inflammation on the occurrence of acute kidney injury (AKI) have been poorly described in mechanically ventilated patient secondary to coronavirus disease 2019 (COVID-19). Methods: This was a monocenter retrospective cohort study of consecutive ventilated COVID-19 patients admitted in a French surgical intensive care unit between March 2020 and July 2020. Worsening renal function (WRF) was defined as development of a new AKI or a persistent AKI during the 5 days after mechanical ventilation initiation. We studied the association between WRF and ventilatory parameters including positive end-expiratory pressure (PEEP), CVP, and leukocytes count. Results: Fifty-seven patients were included, 12 (21%) presented WRF. Daily PEEP, 5 days mean PEEP and daily CVP values were not associated with occurrence of WRF. 5 days mean CVP was higher in the WRF group compared to patients without WRF (median [IQR], 12 mm Hg [11-13] vs. 10 mm Hg [9-12]; P=0.03). Multivariate models with adjustment on leukocytes and Simplified Acute Physiology Score (SAPS) II confirmed the association between CVP value and risk of WRF (odd ratio, 1.97; 95% confidence interval, 1.12-4.33). Leukocytes count was also associated with occurrence of WRF in the WRF group (14 G/L [11-18]) and the no-WRF group (9 G/L [8-11]) (P=0.002). Conclusions: In mechanically ventilated COVID-19 patients, PEEP levels did not appear to influence occurrence of WRF. High CVP levels and leukocytes count are associated with risk of WRF.
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