Radiation dose of coronary CT angiography with a third-generation dual-source CT in a “real-world” patient population

ConclusionscCTA with sufficient image quality is achievable at reasonably low radiation exposure in a real-world patient collective with a high proportion of overweight or obese patients.Key Points• Submillisievert radiation dose coronary CT angiography with good diagnostic image quality is feasible in the majority of cases in a real-world patient using high-pitch spiral.• Prospective sequence results in about double median effective dose compared to the high-pitch protocol.• To optimize individual radiation exposure, lowering the heart rate is paramount, as it allows for choosing a dose-optimized (high-pitch spiral) scan protocol.
Source: European Radiology - Category: Radiology Source Type: research