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Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
Published on: August 28, 2018
[Evaluation of coronary artery calcification in ESRD patients]
1Department of Kidney and Hypertension, Jikei University School of Medicine.
Insights
Coronary artery calcification (CAC) is common in end-stage renal disease (ESRD). Multidetector-row CT (MDCT) effectively screens for CAC and coronary stenosis in dialysis patients, aiding cardiovascular disease management.
Area of Science:
- Nephrology
- Cardiology
- Radiology
Background:
- Coronary artery calcification (CAC) is prevalent in end-stage renal disease (ESRD) and linked to cardiovascular mortality.
- Current guidelines recommend strict control of serum calcium and phosphorus in ESRD to inhibit CAC progression.
- Newer treatments like sevelamer and calcimimetics are emerging for managing complications in ESRD patients.
Purpose of the Study:
- To evaluate the role of imaging in managing CAC and coronary stenosis in ESRD patients.
- To assess the utility of multidetector-row CT (MDCT) for diagnosing coronary artery issues in dialysis patients.
Main Methods:
- Utilized multidetector-row CT (MDCT), a high-resolution imaging technique.
- Evaluated image quality and diagnostic capability in a cohort of ESRD patients undergoing dialysis.
Main Results:
- MDCT provided adequate image quality for diagnosis and evaluation in 87% of cases (26 out of 30).
- Severe calcification precluded evaluation in 4 cases.
- The study demonstrated the effectiveness of 16-row MSCT as a screening tool.
Conclusions:
- 16-row MSCT is a valuable screening tool for coronary angiography in dialysis patients.
- Imaging plays a crucial role in managing cardiovascular complications associated with ESRD.
- Further evaluation of bone and cardiovascular diseases is necessary with changing treatment paradigms.
Abstract:
Coronary artery calcification (CAC), observed in most end stage renal disease (ESRD) patients, has been reported to influence mortality and complications of cardiovascular diseases. Depend on the these reports, K/DOQI (Kidney Disease Outcomes Quality Initiative) guideline recommended to control serum Ca and phosphorus levels strictly in ESRD patients, in order to inhibit the progression of CAC. And then, we have been able to use new phosphate binder, sevelamer which dose not contain calcium and will able to use calcimimetics for secondary hyperparathyroidism as soon. Now, we should evaluate the diseases of bone as well as cardiovascular diseases according to the change of paradigms for renal osteodystrophy. It is undoubted that imaging methods play a main role on the management of CAC and coronary stenosis in end stage renal failure patients. Multidetector-row CT (MDCT) is a most useful imaging method, which has high temporal resolution and high spatial resolution. We may obtain adequate image quality for diagnosis and evaluate in 26 cases (87%), except for 4 cases not evaluated due to severe calcification. Therefore, this study suggested that 16-row MSCT is useful as a screening test for coronary angiography (CAG) even in dialysis patients.
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