Resumen
Definición
Anamnesis y examen
Principales factores de diagnóstico
- hematúria
Otros factores de diagnóstico
- proteinúria
- hipertensão
- edema
Factores de riesgo
- história familiar de nefropatia por imunoglobulina A
- sexo masculino
- idade entre 20 e 30 anos
- ancestralidade asiática/branca/de nativos norte-americanos
- Vasculite por IgA
- doença hepática crônica
- Infecção pelo vírus da imunodeficiência humana (HIV)
Pruebas diagnósticas
Primeras pruebas diagnósticas para solicitar
- urinálise
- microscopia e cultura de urina
- bioquímica básica, incluindo taxa de filtração glomerular (TFG) estimada
- níveis dos complementos C3 e C4
- ultrassonografia renal
- tomografia computadorizada (RUB)
- biópsia renal
Pruebas diagnósticas que deben considerarse
- cistoscopia flexível
- biópsia de pele
Algoritmo de tratamiento
baixo risco de progressão
risco moderado de progressão
risco elevado de progressão
lesão renal aguda
Colaboradores
Autores
Jonathan Barratt, PhD, FRCP
The Mayer Professor of Renal Medicine
Department of Cardiovascular Sciences
University of Leicester
Honorary Consultant Nephrologist
John Walls Renal Unit
Leicester General Hospital
UK
Divulgaciones
JB has consultancies with Alnylam, argenx, Astellas, Calliditas, Chinook, Dimerix, Novartis, Omeros, Travere Therapeutics, Vera Therapeutics and Visterra. He is also an author of a number of references cited in this topic.
See Cheng Yeo, MBBS, M.Med (Int Med), FRCP (London), MD
Adjunct Assistant Professor
Head & Senior Consultant
Department of Renal Medicine
Tan Tock Seng Hospital
Singapore
Divulgaciones
SCY is an author of a reference cited in this topic.
Agradecimientos
Professor Jonathan Barratt and Dr See Cheng Yeo would like to gratefully acknowledge Dr Hani Bleibel and Dr Chike Nzerue, previous contributors to this topic.
Divulgaciones
HB and CN declare that they have no competing interests.
Revisores por pares
Richard Lafayette, MD
Associate Professor of Medicine
Nephrology Division
Stanford University Medical Center
Stanford
CA
Divulgaciones
RL declares that he has no competing interests.
Alan Salama, MA, MBBS, PhD, FRCP
Professor of Nephrology
UCL Centre for Nephrology
Royal Free Hospital
London
UK
Divulgaciones
AS declares that he has no competing interests.
Referencias
Artículos principales
Wyatt RJ, Julian BA. IgA nephropathy. N Engl J Med. 2013 Jun 20;368(25):2402-14. Resumen
Trimarchi H, Barratt J, Cattran DC, et al; IgAN Classification Working Group of the International IgA Nephropathy Network and the Renal Pathology Society; Conference Participants. Oxford Classification of IgA nephropathy 2016: an update from the IgA Nephropathy Classification Working Group. Kidney Int. 2017 May;91(5):1014-21. Resumen
Barratt J, Feehally J. Primary IgA nephropathy: new insights into pathogenesis. Semin Nephrol. 2011 Jul;31(4):349-60. Resumen
Kidney Disease: Improving Global Outcomes (KDIGO) Glomerular Diseases Work Group. KDIGO 2021 clinical practice guideline for the management of glomerular diseases. Kidney Int. 2021 Oct;100(4s):S1-S276.Texto completo Resumen
Lv J, Zhang H, Wong MG, et al; TESTING Study Group. Effect of oral methylprednisolone on clinical outcomes in patients with IgA nephropathy: the TESTING randomized clinical trial. JAMA. 2017 Aug 1;318(5):432-42. Resumen
Rauen T, Eitner F, Fitzner C, et al. Intensive supportive care plus immunosuppression in IgA nephropathy. N Engl J Med. 2015 Dec 3;373(23):2225-36.Texto completo Resumen
Tumlin JA, Hennigar RA. Clinical presentation, natural history, and treatment of crescentic proliferative IgA nephropathy. Semin Nephrol. 2004 May;24(3):256-68. Resumen
Artículos de referencia
Una lista completa de las fuentes a las que se hace referencia en este tema está disponible para los usuarios con acceso a todo BMJ Best Practice.
Diferenciales
- Vasculite por IgA (conhecida como púrpura de Henoch-Schönlein [PHS])
- Doença da membrana basal glomerular fina
- Síndrome de Alport
Más DiferencialesGuías de práctica clínica
- KDIGO 2021 clinical practice guidelines for the management of glomerular diseases
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