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The furosemide stress test predicts the timing of continuous renal replacement therapy initiation in critically ill patients with acute kidney injury: a double-blind prospective intervention cohort study

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机构: [1]Department of Critical Care Medicine, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China [2]Department of Emergency, Xian People’s Hospital, Xian, Shanxi, China [3]Department of Pathology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China.
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关键词: Critical care medicine Acute kidney injury Furosemide stress test Continuous renal replacement therapy

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Background Continuous renal replacement therapy (CRRT) remains a crucial treatment for critically ill patients with acute kidney injury (AKI), although the timing of its initiation is still a matter of contention. Furosemide stress testing (FST) may be a practical and beneficial prediction instrument. This research was meant to examine if FST can be used to identify high-risk patients for CRRT.Methods This study is a double-blind, prospective interventional cohort study. For patients with AKI receiving intensive care unit (ICU) income, FST was selected with furosemide 1 mg/kg intravenous (1.5 mg/kg intravenous if a loop diuretic was received within 7 days). Urinary volume more than 200 ml at 2 h after FST was FST-responsive, less than 200 ml was FST-nonresponsive. The FST results are kept strictly confidential from the clinician, who decides whether to initiate CRRT based on laboratory testing and clinical symptoms other than the FST data. The FST data are concealed from both the patients and the clinician.Results FST was delivered to 187 of 241 patients who satisfied the inclusion and exclusion criteria, with 48 patients responding to the test and 139 patients not responding. 18/48 (37.5%) of the FST-responsive patients received CRRT, while 124/139 (89.2%) of the FST-nonresponsive patients received CRRT. There was no significant difference between the CRRT and non-CRRT groups in terms of general health and medical history (P > 0.05). Urine volume after 2 h of FST was considerably lower in the CRRT group than in the non-CRRT group (35 ml, IQR5-143.75 versus 400 ml, IQR210-890; P = 0.000). FST non-responders were 2.379 times more likely to initiate CRRT than FST responders (95% CI 1.644-3.443, P = 0.000). The area under the curve (AUC) for initiating CRRT was 0.966 (cutoff of 156 ml, sensitivity of 94.85%, specificity of 98.04%, P < 0.001).Conclusion This study demonstrated that FST is a safe and practical approach for predicting the initiation of CRRT in critically ill AKI patients.

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出版当年[2023]版:
大类 | 3 区 医学
小类 | 4 区 医学:研究与实验
最新[2025]版:
大类 | 3 区 医学
小类 | 4 区 医学:研究与实验
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出版当年[2023]版:
Q2 MEDICINE, RESEARCH & EXPERIMENTAL
最新[2024]版:
Q2 MEDICINE, RESEARCH & EXPERIMENTAL

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第一作者机构: [1]Department of Critical Care Medicine, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
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