Systematic ReviewPublished 12 August 2026Impact of hematuria on long term kidney outcomes in adults with immunoglobulin A nephropathy: a systematic literature review and meta-analysisJoel Iff · Ankit Shah · Rajeshwari Nair · Mirko Fillbrunn · Ogo Egbuna · Manish Maski · Rui Huang · Dumingu Aparna Gomes · Edward Tuttle · Whitney Longstaff · Janice Stricker-Shaver · Beth BarberFrontiers in Nephrologydoi 10.3389/fneph.2026.1899597