What does this research mean for the field?

Hydralazine use can induce a severe overlapping syndrome of ANCA-associated vasculitis and drug-induced lupus erythematosus that presents atypically as immune complex glomerulonephritis rather than typical pauci-immune glomerulonephritis. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

Describe a case of hydralazine-induced renal-limited ANCA-associated vasculitis overlapping with drug-induced lupus erythematosus.

September 3, 2026Annals of Internal Medicine Clinical CasesOpen Access

Hydralazine-Induced ANCA Vasculitis With Overlapping Features of Lupus Erythematosus

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Authors

AOAndrea Ramirez OlarteTulane University NSNicholas StratTulane University LKLaura KiddSt. Francis Medical Center

Discussion

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Implication

Case report demonstrates irreversible renal injury from hydralazine-induced vasculitis with lupus overlap, highlighting the need for prompt recognition and drug cessation.

Key Points

Describe a case of hydralazine-induced renal-limited ANCA-associated vasculitis overlapping with drug-induced lupus erythematosus.
Diagnostic workup included serologic testing and renal biopsy in a 72-year-old woman presenting with acute kidney injury while receiving hydralazine (N=1).
Management involved hydralazine withdrawal and aggressive immunosuppressive therapy.
Serologic analysis showed positive antinuclear, anti-dsDNA, antihistone, myeloperoxidase, and proteinase 3 antibodies alongside hypocomplementemia.
Renal biopsy demonstrated diffuse proliferative immune complex glomerulonephritis (ISN/RPS class IV) with crescentic features rather than typical pauci-immune injury.
Renal function failed to recover despite prompt hydralazine cessation and aggressive immunosuppression.

Cite This Study

Olarte et al. (2026) studied this question.

synapsesocial.com/papers/6a993600636c6408cfa7eb3b https://doi.org/10.7326/aimcc.2026.0096

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September 3, 2026Annals of Internal Medicine Clinical CasesOpen Access

Hydralazine-Induced ANCA Vasculitis With Overlapping Features of Lupus Erythematosus

View Full Paper

Ask AI

Bookmark

Authors

AOAndrea Ramirez OlarteTulane University NSNicholas StratTulane University LKLaura KiddSt. Francis Medical Center

Discussion

Member takes

Implication

Case report demonstrates irreversible renal injury from hydralazine-induced vasculitis with lupus overlap, highlighting the need for prompt recognition and drug cessation.

Key Points

Describe a case of hydralazine-induced renal-limited ANCA-associated vasculitis overlapping with drug-induced lupus erythematosus.
Diagnostic workup included serologic testing and renal biopsy in a 72-year-old woman presenting with acute kidney injury while receiving hydralazine (N=1).
Management involved hydralazine withdrawal and aggressive immunosuppressive therapy.
Serologic analysis showed positive antinuclear, anti-dsDNA, antihistone, myeloperoxidase, and proteinase 3 antibodies alongside hypocomplementemia.
Renal biopsy demonstrated diffuse proliferative immune complex glomerulonephritis (ISN/RPS class IV) with crescentic features rather than typical pauci-immune injury.
Renal function failed to recover despite prompt hydralazine cessation and aggressive immunosuppression.

Cite This Study

Olarte et al. (2026) studied this question.

synapsesocial.com/papers/6a993600636c6408cfa7eb3b https://doi.org/10.7326/aimcc.2026.0096

Also Consider

Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context:

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