Acute Kidney Injury

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Introduction[edit | edit source]

Acute kidney injury (AKI):

  • A sudden (within hours) decline in kidney function, which includes both injury (structural damage) and impairment (loss of function)[1].
  • Often referred to as acute renal failure (ARF), is a sudden episode of kidney damage or failure that occurs within a few hours or days [2]and is indicated by a sharp rise in serum creatinine, a decline in urine output, or both.
  • AKI is known to occur in between 10% and 15% of hospitalized patients, with more than 50% of patients need intensive care[3].
  • AKI is distinct from chronic kidney disease, which causes the kidneys to slowly lose function over time[4].

Epidemiology[edit | edit source]

There are significant disparities in the incidence and etiology of AKI between developing and industrialized nations[5].

In developing nations' cities, the most prevalent causes of AKI are hospital acquired (renal ischaemia, sepsis, and nephrotoxic medications), but in rural regions, it is more usually a result of community acquired illness (diarrhoea, dehydration, viral diseases, animal venoms, and so on)[6].

The incidence of AKI is rising in industrialized nations. It is believed to occur up to 15% of the time in hospital inpatients, and it is more prevalent in critically sick patients, where it is anticipated to occur up to 60% of the time[1].

Etiology[edit | edit source]

References[edit | edit source]

  1. 1.0 1.1 Makris K, Spanou L. Acute kidney injury: definition, pathophysiology and clinical phenotypes. The clinical biochemist reviews. 2016 May;37(2):85.
  2. Acute Kidney Injury (AKI). Available: https://www.kidney.org/atoz/content/AcuteKidneyInjury (accessed 22.04.2023)
  3. Ronco C, Bellomo R, Kellum JA. Acute kidney injury. The Lancet. 2019 Nov 23;394(10212):1949-64.
  4. Acute kidney injury. Available: https://www.nhs.uk/conditions/acute-kidney-injury/#:~:text=Acute%20kidney%20injury%20(AKI)%20is,as%20the%20name%20might%20suggest. (accessed 22.04.2023)
  5. Lameire NH, Bagga A, Cruz D, De Maeseneer J, Endre Z, Kellum JA, Liu KD, Mehta RL, Pannu N, Van Biesen W, Vanholder R. Acute kidney injury: an increasing global concern. The Lancet. 2013 Jul 13;382(9887):170-9.
  6. Prakash J, Singh TB, Ghosh B, Malhotra V, Rathore SS, Vohra R, et al. Changing epidemiology of community-acquired acute kidney injury in developing countries: analysis of 2405 cases in 26 years from eastern India. Clin Kidney J. 2013;6:150–5.