Objective: To frame revised guidelines on diagnosis, evaluation, management, and
supportive care of patients with the illness. Process: The guidelines combine evidence-
based recommendations and expert opinion. Formulation of key questions was followed by
review of literature and evaluation of evidence by experts in two face-to-face meetings.
Recommendations: The initial statements provide advice for evaluation at onset and follow-
up and indications for kidney biopsy. Subsequent statements provide recommendations for …