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Nephrogenic systemic fibrosis — Clinical Guidelines

Overview

Nephrogenic systemic fibrosis (NSF) is a fibrosing disorder characterized by dermal and visceral fibrosis, primarily affecting patients with severe renal impairment following exposure to gadolinium-based contrast agents (GBCAs). 1 4 6

Diagnosis

Clinical Presentation: Skin thickening, joint stiffness, and fibrosis in internal organs.

Exposure History: Recent administration of GBCAs in patients with renal dysfunction.

Differential Diagnosis: Distinguish from other fibrotic conditions like scleroderma.

Imaging and Biopsy: Histopathological examination showing characteristic dermal changes and increased glycosaminoglycans. 4

Management

Avoidance of GBCAs: Minimize use in patients with renal impairment, especially those with chronic kidney disease stages 4-5. 3 6

Supportive Care: Physical therapy, pain management, and monitoring for complications.

Specific Agents: No specific pharmacological treatments are universally recommended; focus on renal function optimization. 3

Special Populations

Pediatrics: Rarely reported; cautious use of GBCAs in children with renal impairment. 2

Elderly: Increased risk due to higher prevalence of renal impairment; stringent GBCA use guidelines recommended. 3

Comorbidities: Patients with chronic kidney disease stage 3 may be at risk; individualized risk assessment advised. 3

Key Recommendations

Avoid High-Risk GBCAs: Prefer use of more stable GBCAs over gadodiamide (Omniscan®) due to lower NSF risk. (Evidence: Moderate 1 6)

Risk Assessment: Conduct thorough renal function assessment before GBCA administration, particularly in CKD stages 4-5. (Evidence: Moderate 3)

Facility Policies: Implement and adhere to facility guidelines that restrict GBCA use in high-risk patients. (Evidence: Expert opinion 3)

Monitoring and Reporting: Actively monitor for NSF symptoms post-GBCA administration and report adverse events through pharmacovigilance systems. (Evidence: Expert opinion 5)

References

1 Semelka RC, Prybylski JP, Ramalho M. Influence of excess ligand on Nephrogenic Systemic Fibrosis associated with nonionic, linear gadolinium-based contrast agents. Magnetic resonance imaging 2019. link 2 Nardone B, Saddleton E, Laumann AE, Edwards BJ, Raisch DW, McKoy JM et al.. Pediatric nephrogenic systemic fibrosis is rarely reported: a RADAR report. Pediatric radiology 2014. link 3 Abdel-Kader K, Patel PR, Kallen AJ, Sinkowitz-Cochran RL, Bolton WK, Unruh ML. Nephrogenic systemic fibrosis: a survey of nephrologists' perceptions and practices. Clinical journal of the American Society of Nephrology : CJASN 2010. link 4 Quatresooz P, Paquet P, Hermanns-Lê T, Piérard GE. Immunohistochemical aspects of the fibrogenic pathway in nephrogenic systemic fibrosis. Applied immunohistochemistry & molecular morphology : AIMM 2010. link 5 Stenver DI. Pharmacovigilance: what to do if you see an adverse reaction and the consequences. European journal of radiology 2008. link 6 Thomsen HS, Marckmann P. Extracellular Gd-CA: differences in prevalence of NSF. European journal of radiology 2008. link

Nephrogenic systemic fibrosis