Peer-reviewed veterinary case report
How CT scans find kidney infarction in dogs
By Sutthigran, Somchin et al.·Published in Journal of veterinary internal medicine·2022·Department of Surgery·View original on PubMed →
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Original publication title: Use of contrast-enhanced computed tomography to detect kidney infarction in dogs.
- Species:
- dog
Plain-English summary
A study found that about 3% of dogs undergoing abdominal CT scans had kidney infarctions, which are areas of dead tissue in the kidney. Most of these cases were mild, affecting less than 25% of the kidney, and were often located at the back part of the kidney. The researchers discovered that using contrast-enhanced CT scans, particularly in the sagittal view, was very effective for spotting these kidney issues. This method can help veterinarians diagnose kidney infarctions more accurately, leading to better treatment options for affected dogs.
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Abstract
BACKGROUND: Kidney infarction is a renovascular disease diagnosed by contrast-enhanced computed tomography (CECT) in humans. OBJECTIVES: To describe the frequency of kidney infarction and to determine the detection of kidney infarction with CECT in dogs. ANIMALS: Eight hundred and twenty-six abdominal CECT studies of 826 dogs. METHODS: A cross-sectional retrospective study. Dogs with abdominal CT scans including CECT were retrospectively retrieved. Kidney infarction was classified into 3 grades based on the extent of infarction relative to total kidney area. The location and number of kidney infarctions in each kidney were expressed as number and percentage. The ability of visualization of kidney infarction in each multiplanar reconstruction (MPR) image plane was evaluated by agreement of 2 observers. RESULTS: The frequency of kidney infarction in dogs was 3.15% (26/826 dogs; 95% CI = 2.05-4.61). Most kidney infarctions were classified as grade 1, or the lesions were less than 25% of the kidney (47/56, 83.93%) and most were detected at the caudal pole of the kidney (31/56, 55.35%) on the sagittal plane. On MPR image planes, the sagittal plane had the highest proportion (34/56, 60.71%) of excellent visual category to detect kidney infarction. CONCLUSIONS AND CLINICAL IMPORTANCE: The CECT, especially the sagittal plane, is a useful diagnostic tool for the detection of kidney infarction in dogs.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/34953007/