TEN Nefrologia Practice Questions - TEN - Título De Especialista Em Nefrologia (Sociedade Brasileira De Nefrologia AMB) Exam

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A 68-year-old man with diabetic kidney disease (baseline eGFR 28 mL/min/1.73 m²) is scheduled for elective coronary computed tomography angiography with iodinated radiocontrast. According to KDIGO Clinical Practice Guidelines and Brazilian Society of Nephrology (SBN) recommendations, which strategy is proven to effectively reduce the risk of Contrast-Induced Acute Kidney Injury (CI-AKI)?

Prophylactic intravenous administration of N-acetylcysteine (1200 mg orally twice daily) without hydration Intravenous volume expansion with isotonic crystalloids (0.9% normal saline or isotonic sodium bicarbonate) before and after the procedure Prophylactic pre-procedure and post-procedure continuous venovenous hemofiltration (CVVH) Administration of high-dose intravenous furosemide combined with oral theophylline immediately before contrast exposure

Correct Answer:

Intravenous volume expansion with isotonic crystalloids (0.9% normal saline or isotonic sodium bicarbonate) before and after the procedure

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