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Review
. 2023 Apr;55(4):929-942.
doi: 10.1007/s11255-022-03389-w. Epub 2022 Oct 29.

An update review on hemodynamic instability in renal replacement therapy patients

Abdullah B Yildiz  1 , Sezan Vehbi  1 , Andreea Covic  2 , Alexandru Burlacu  2 , Adrian Covic  2 , Mehmet Kanbay  3
Affiliations
Review

An update review on hemodynamic instability in renal replacement therapy patients

Abdullah B Yildiz et al. Int Urol Nephrol. 2023 Apr.

Abstract

Background: Hemodynamic instability in patients undergoing kidney replacement therapy (KRT) is one of the most common and essential factors influencing mortality, morbidity, and the quality of life in this patient population.

Method: Decreased cardiac preload, reduced systemic vascular resistance, redistribution of fluids, fluid overload, inflammatory factors, and changes in plasma osmolality have all been implicated in the pathophysiology of hemodynamic instability associated with KRT.

Result: A cascade of these detrimental mechanisms may ultimately cause intra-dialytic hypotension, reduced tissue perfusion, and impaired kidney rehabilitation. Multiple parameters, including dialysate composition, temperature, posture during dialysis sessions, physical activity, fluid administrations, dialysis timing, and specific pharmacologic agents, have been studied as possible management modalities. Nevertheless, a clear consensus is not reached.

Conclusion: This review includes a thorough investigation of the literature on hemodynamic instability in KRT patients, providing insight on interventions that may potentially minimize factors leading to hemodynamic instability.

Keywords: Acute kidney injury; Chronic kidney disease; Dialysis; Hemodynamic instability; Intradialytic hypotension; Kidney replacement therapy.

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