ArticleJournal of medical ultrasonics (2001)2024
Evaluation of renal circulation in heart failure using superb microvascular imaging, a microvascular flow imaging system.
Article in Journal of medical ultrasonics (2001), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The trial behind it
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Who cites it
4 citing papers in PubMed, 4 citations in OpenAlex.
- Non-contrast microvascular flow imaging in abdominal ultrasound: a pictorial essay.Journal of ultrasound · 2026Review
- Prognostic impact of renal microcirculatory dysfunction in heart failure assessed by superb microvascular imaging.Scientific reports · 2026Article
- Point-of-Care Kidney Ultrasonography in Pediatric Nephrology: Current Evidence and Clinical Relevance.International journal of nephrology · 2026Review
- Atherosclerosis-induced arterial erectile dysfunction: pathogenesis, diagnosis, and therapeutic strategies.Translational andrology and urology · 2025Review
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
purposeRenal circulation evaluation is essential in understanding the cardiorenal relationship in heart failure (HF), and there is a growing interest in imaging techniques that visualize renal circulation. This study aimed to assess the effectiveness of superb microvascular imaging (SMI) in evaluating renal circulation in HF patients.
methodThe study included 71 HF patients undergoing cardiac catheterization. Prior to catheterization, renal ultrasound examinations were performed. A control group of 18 subjects without HF was also included. SMI was used to measure the vascular index (VI), which was calculated as the percentage of blood flow signal area in the region of interest. The intrarenal perfusion index (IRPI) was determined as a fluctuation index of VI, reflecting variations in the number of blood cells moving through renal tissue during the cardiac cycle.
resultsUsing the upper 95% confidence interval of IRPI (0.6) from the control group, HF patients were classified into two groups. Patients with IRPI > 0.6 showed a more congestive profile. Right atrial pressure and biphasic or monophasic Doppler intrarenal flow pattern were independent determinants of IRPI > 0.6. In addition, IRPI remained a significant predictor of estimated glomerular filtration rate (eGFR).
conclusionThe parameter IRPI as variations in SMI signal during the cardiac cycle may be a useful evaluation method for renal perfusion impairment in HF.
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Registered trials
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