Key result
Kidneys perfused by false lumens in chronic aortic dissection showed decreased volume and reduced renal plasma flow, particularly with dissected renal arteries, small FL area, and no proximal inlet.
Why the study?
Do specific CT angiography findings predict kidney injury in patients with chronic aortic dissection?
Do specific CT angiography findings predict kidney injury in patients with chronic aortic dissection?
Specific CT angiography features in chronic aortic dissection, such as false lumen perfusion and dissected renal arteries, are predictive of reduced renal volume and plasma flow.
FL-perfused kidneys may show progressive atrophy and hypoperfusion; Level 4 data leaves open clinical relevance and need for prospective validation.
In the present study, kidneys perfused by FLs showed decreased volume and reduced effective renal plasma flow during follow-up, particularly those kidneys with dissected renal arteries, a small FL area at the renal level, and lack of a proximal major inlet. Further studies are warranted to identify the clinical relevance of malperfusion in FL-supplied kidneys.
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Kuo et al. (2020) studied this question. Kidneys perfused by false lumens in chronic aortic dissection showed decreased volume and reduced renal plasma flow, particularly with dissected renal arteries, small FL area, and no proximal inlet.
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