Acute on chronic kidney disease in cats: Etiology,clinical and clinicopathologic findings, prognostic markers,and outcome

26 de maio de 2020

Injuria renal aguda, doença renal crônica, azotemia, falência renal, sobrevida, uremia, insuficiência renal

Hilla Chen, Asia Dunaevic, Naama Apfelbaum, Sharon Kuzi, Michal Mazaki-Tovi Itamar Aroch | Gilad Segev


Background: Chronic kidney disease (CKD) and acute decompensation of CKD (ACKD) are common in cats.

Objectives: To characterize the etiology, clinical and clinicopathologic findings, and the short- and long-term prognosis of feline ACKD.

Animals: One hundred cats with ACKD.

Methods: Retrospective study, search of medical records for cats with ACKD.

Results: Common clinical signs included anorexia (85%), lethargy (60%), weight loss (39%), and vomiting (27%). Suspected etiologies included ureteral obstruction (11%), renal ischemia (9%), pyelonephritis (8%), others (6%), or unknown (66%). Hospitalization duration was longer in survivors versus nonsurvivors (median = 7 days, range = 2-26 versus median = 3 days, range = 2-20, respectively, P < .001). The survival rate to discharge was 58%. Age, serum creatinine, urea, and phosphorous concentrations were higher and venous blood pH was lower in nonsurvivors. However, only serum phosphorus remained associated with the short-term outcome in the multivariable model (P = .02; 95% confidence interval = 1.03-1.39). Survivors had a median survival time of 66 days after discharge. Serum creatinine concentrations at presentation as well as at discharge were associated with long-term survival (P < .002 for both).

Conclusions: The short-term prognosis of ACKD is comparable to acute kidney injury, while the long-term prognosis is guarded.


Acute kidney injury, azotemia, renal failure, survival, uremia


Lesão renal aguda, azotemia, insuficiência renal, sobrevivência, uremia


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