Ultrasound dynamic monitoring of IVCD and collapse with sniff can accurately assess blood volume status, and provide guidance for dehydration adjustments in CRRT and rapid relief of heart failure symptoms in patients with combined renal and acute heart failure. The incidence of adverse events was lower in the ultrasound group compared with the experience and control groups the difference was statistically significant (P < 0.05). IVCC quantifies the effective working time for a dynamic viable cell concentration within a given frame of time, analogous to the calculation of man-hours. The duration of vasopressor use in the ultrasound and control groups was lower than that in the experience group the difference was statistically significant (P < 0.05). The Integral (area under the curve) of Viable Cell Density (IVCD) or Concentration (IVCC) is an essential calculated metric in cell culture operations. Ventilator use duration was lower in the ultrasound and experience groups compared with the control group, with a statistically significant difference between the ultrasound and control groups (P < 0.05). The time to improved heart failure symptoms, CRRT time, and ICU length of stay in the ultrasound and experience groups were lower than those in the control group the differences were statistically significant (P < 0.05). There were no significant differences in serum creatinine, potassium, and NT-proBNP levels in pairwise comparisons among groups before and after CRRT (P > 0.05). We compared serum creatinine, potassium, and N-terminal pro-brain natriuretic peptide (NT-proBNP) levels time to improved heart failure symptoms CRRT time ventilator use ICU length of stay vasopressor use and incidence of adverse events among groups. According to different blood volume assessment methods, patients were randomly divided into ultrasound, experience, and control groups. not elsewhere classified (R00-R94) systemic connective tissue disorders (M30-M36) transient cerebral ischemic attacks and related syndromes (G45.-). We selected 90 patients with combined renal and acute heart failure who required CRRT in the intensive care unit (ICU) from January 2019 to June 2021. We explored the application value of bedside ultrasound dynamic monitoring of the inferior vena cava diameter (IVCD) and collapse with sniff (inferior vena cava collapsibility index ) to guide dehydration adjustment in continuous renal replacement therapy (CRRT) in patients with combined renal failure and acute heart failure.
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