What is the clinical evidence from this study?

Study design: Review. Population: Contrast nephropathy. Intervention: Preventive strategies (hydration, N-acetylcysteine, hemofiltration).

What question did this study set out to answer?

This review examines prevention strategies for contrast nephropathy, particularly in high-risk patients.

June 15, 2026Journal of the American College of Cardiology

Contrast nephropathy: Review focusing on prevention

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Key result

Hydration and low-osmolality contrast prevent contrast nephropathy, with high-dose N-acetylcysteine benefiting high-risk patients.

Key Points

This review examines prevention strategies for contrast nephropathy, particularly in high-risk patients.
Literature review focused on interventions like intravenous hydration, iodinated contrast agents, and prophylactic medications.
Analysis of various preventive approaches, including low-dose dopamine, fenoldopam, and N-acetylcysteine.
Hydration strategies using saline show promise in reducing risk of contrast nephropathy.
High-dose N-acetylcysteine (1,200 mg twice daily) may benefit patients with advanced renal insufficiency or high contrast doses.
Prophylactic hemodialysis was found ineffective, whereas hemofiltration demonstrated marked benefit.

Structured PICO

Population

Patients at risk for contrast nephropathy, especially those with pre-existing renal insufficiency and diabetic nephropathy

Intervention

Various preventive strategies including intravenous hydration (saline 0.45% or 0.9% at 1 ml/kg/h 12 h before and after), low or iso-osmolality contrast agents, dopamine, fenoldopam, theophylline, N-acetylcysteine (including high-dose 1,200 mg twice daily), hemodialysis, and hemofiltration

Outcome

Contrast nephropathy (defined as an increase in serum creatinine concentration >0.5 mg/dl or 25% above the baseline level within 48 h)surrogate

Discussion

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Implication

Intravenous hydration and low/iso-osmolality contrast agents remain the cornerstone of contrast nephropathy prevention, with potential roles for high-dose N-acetylcysteine and hemofiltration in high-risk patients.

Cite This Study

Maeder et al. (2004) conducted a review in Contrast nephropathy. Preventive strategies (hydration, N-acetylcysteine, hemofiltration) was evaluated. Intravenous hydration and low or iso-osmolality contrast agents are advisable to prevent contrast nephropathy, with high-dose N-acetylcysteine or hemofiltration showing benefit in high-risk patients.

synapsesocial.com/papers/6a3017eb24c2c42f24de9f52 https://doi.org/10.1016/j.jacc.2004.06.075

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Contrast nephropathy: Review focusing on prevention

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Contrast nephropathy: Review focusing on prevention

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Also Consider