160 Nephrogenic systemic fibrosis Anjela Galan and Shawn E. Cowper Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports (From Nazarian, R.M., et al., 2011. Quantitative assessment of dermal cellularity in nephrogenic systemic fibrosis: a diagnostic aid. J Am Acad Dermatol 64(4), 741–7.) Nephrogenic systemic fibrosis (NSF) affects patients with renal impairment who have been exposed to gadolinium-containing contrast agents (GCCA) for MRI studies. Onset is marked by cutaneous erythema, edema, hyperpigmentation, and woody induration. The clinical course commonly results in joint contractures and sometimes fibrosis of internal organs. Management strategy Prevention is paramount. Three GCCA (Magnevist, Omniscan, and Optimark) are now contraindicated in patients with renal dysfunction (acute kidney injury or chronic kidney disease [estimated GFR of <30 mL/minute/1.73 m2]). Patients should be screened prior to the use of GCCA to identify those at risk. Avoid using GCCA in patients with suspected or known impairment of drug elimination unless the need for the diagnostic information is essential and not available with non-contrasted MRI or other alternative imaging modalities. If exposure is unavoidable, optimal dosing and follow-up should involve the managing radiologist and nephrologist. Although not proven to prevent NSF, immediate hemodialysis following exposure to GCCA is recommended. FDA Drug Safety Communication: New warnings for using gadolinium-based contrast agents in patients with kidney dysfunction. US Food and Drug Administration; http://www.fda.gov/Drugs/DrugSafety/ucm223966.htm. Accessed 06/28/2012. Specific investigations Deep skin biopsy (incisional or substantial deep punch) followed by histological and CD34 immunohistological evaluation by an experienced dermatopathologist Renal function parameters (e.g., blood urea nitrogen and creatinine) Electrophoresis to exclude scleromyxedema-associated paraprotein Serological autoantibody testing (e.g., ANA, Scl-70) to exclude systemic sclerosis and mixed connective tissue disease Hypercoagulability evaluation There are no serologic tests for NSF. Diagnosis is based upon clinical and histopathological correlation in a patient with renal disease. Gadolinium identification is not required to establish a diagnosis. Nephrogenic systemic fibrosis: clinicopathological definition and workup recommendations. Girardi M, Kay J, Elston DM, Leboit PE, Abu-Alfa A, Cowper SE. J Am Acad Dermatol 2011; 65: 1095–106. First-line therapies Re-establishment of renal function – Transplantation D – Dialysis D Physical therapy E Pain management E Only gold members can continue reading. Log In or Register to continue Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Related posts: Hemangiomas Drug eruptions Erythropoietic protoporphyria Ichthyoses Nevoid basal cell carcinoma syndrome Rocky Mountain spotted fever and other rickettsial infections Stay updated, free articles. Join our Telegram channel Join Tags: Treatment of Skin Disease Comprehensive Therapeutic Strategies Aug 7, 2016 | Posted by admin in Dermatology | Comments Off on Nephrogenic systemic fibrosis Full access? Get Clinical Tree
160 Nephrogenic systemic fibrosis Anjela Galan and Shawn E. Cowper Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports (From Nazarian, R.M., et al., 2011. Quantitative assessment of dermal cellularity in nephrogenic systemic fibrosis: a diagnostic aid. J Am Acad Dermatol 64(4), 741–7.) Nephrogenic systemic fibrosis (NSF) affects patients with renal impairment who have been exposed to gadolinium-containing contrast agents (GCCA) for MRI studies. Onset is marked by cutaneous erythema, edema, hyperpigmentation, and woody induration. The clinical course commonly results in joint contractures and sometimes fibrosis of internal organs. Management strategy Prevention is paramount. Three GCCA (Magnevist, Omniscan, and Optimark) are now contraindicated in patients with renal dysfunction (acute kidney injury or chronic kidney disease [estimated GFR of <30 mL/minute/1.73 m2]). Patients should be screened prior to the use of GCCA to identify those at risk. Avoid using GCCA in patients with suspected or known impairment of drug elimination unless the need for the diagnostic information is essential and not available with non-contrasted MRI or other alternative imaging modalities. If exposure is unavoidable, optimal dosing and follow-up should involve the managing radiologist and nephrologist. Although not proven to prevent NSF, immediate hemodialysis following exposure to GCCA is recommended. FDA Drug Safety Communication: New warnings for using gadolinium-based contrast agents in patients with kidney dysfunction. US Food and Drug Administration; http://www.fda.gov/Drugs/DrugSafety/ucm223966.htm. Accessed 06/28/2012. Specific investigations Deep skin biopsy (incisional or substantial deep punch) followed by histological and CD34 immunohistological evaluation by an experienced dermatopathologist Renal function parameters (e.g., blood urea nitrogen and creatinine) Electrophoresis to exclude scleromyxedema-associated paraprotein Serological autoantibody testing (e.g., ANA, Scl-70) to exclude systemic sclerosis and mixed connective tissue disease Hypercoagulability evaluation There are no serologic tests for NSF. Diagnosis is based upon clinical and histopathological correlation in a patient with renal disease. Gadolinium identification is not required to establish a diagnosis. Nephrogenic systemic fibrosis: clinicopathological definition and workup recommendations. Girardi M, Kay J, Elston DM, Leboit PE, Abu-Alfa A, Cowper SE. J Am Acad Dermatol 2011; 65: 1095–106. First-line therapies Re-establishment of renal function – Transplantation D – Dialysis D Physical therapy E Pain management E Only gold members can continue reading. Log In or Register to continue Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Related posts: Hemangiomas Drug eruptions Erythropoietic protoporphyria Ichthyoses Nevoid basal cell carcinoma syndrome Rocky Mountain spotted fever and other rickettsial infections Stay updated, free articles. Join our Telegram channel Join Tags: Treatment of Skin Disease Comprehensive Therapeutic Strategies Aug 7, 2016 | Posted by admin in Dermatology | Comments Off on Nephrogenic systemic fibrosis Full access? Get Clinical Tree