About this episode

This episode explores the evolving partnership between radiologists and nephrologists in making contrast decisions for patients at risk of kidney injury.

Radiology & nephrology: evolving partnership in contrast decisions. In this episode of Radiology with a Dose of Insight, we explore one of the most nuanced and often debated areas in modern imaging: the use of contrast agents in patients at risk of kidney injury. Joined by Dr Ashesh Ranchod and Dr Muhammed Hassen, we unpack the evolving relationship between radiologists and nephrologists — from historical caution and “contrast hysteria” to a more collaborative, evidence-based approach. Through real-world scenarios, including high-stakes emergency decisions, we examine the balance between diagnostic urgency and renal safety. The conversation dives into the shift from Contrast-Induced Nephropathy (CIN) to Post-Contrast Acute Kidney Injury (PC-AKI), the true mechanisms of kidney injury, and how often contrast is wrongly blamed. We also tackle the clinical “gray zone” — patients with borderline renal function — where decision-making becomes less about guidelines and more about judgment, communication, and shared responsibility. Read more on the PRESERVE trial

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