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Table 2 Summary of included PE vs pulse steroid treatment RCT in this review

From: Efficacy of plasma exchange for antineutrophil cytoplasmic antibody-associated systemic vasculitis: a systematic review and meta-analysis

Source

Inclusion criteria

Exclusion criteria

No. of patients

Interventions

Primary outcome

MEPEX 2007, 2013 [26, 27]

A diagnosis of WG or MPA; biopsy proven, pauci-immune, necrotizing, and/or crescentic glomerulonephritis, in the absence of other glomerulopathy; serum creatinine > 500 μmol/L.

Age < 18 or > 80 years; inadequate contraception in women of childbearing age; pregnancy; previous malignancy; HBV antigenaemia, anti-HCV, or anti-HIV antibody; other multisystem autoimmune disease; anti-GBM disease; life-threatening non-renal manifestations of vasculitis, including alveolar haemorrhage requiring mechanical ventilation within 24 h of admission; dialysis for > 2 weeks before entry; creatinine> 200 mol/L > 1 year before entry; a second clearly defined cause of renal failure; previous episode of biopsy-proven necrotizing and/or crescentic glomerulonephritis; > 2 weeks of treatment with cyclophosphamide or azathioprine; > 500 mg of intravenous methylprednisolone; PE within the preceding year; > 3 months of treatment with oral prednisolone; allergy to study medications.

137, MPA (69%) or GPA (31%)

PE† [(a) centrifugation or filter separation, (b) 5% albumin, (c) 60 mL/kg, (d) 7 sessions within 14 days] vs pulse steroid treatment, [intravenous methylpredonisolone 1000 mg/day for 3 days]

Renal recovery at 3 months

  1. RCT randomised controlled trial, PE plasma exchange, WG Wegener’s granulomatosis, MPA microscopic polyangiitis, HBV hepatitis B virus, HCV hepatitis C virus, HIV human immunodeficiency virus, GBM glomerular basement membrane, GPA granulomatosis with polyangiitis
  2. †The detailed methods of treatments are described in parentheses. In PE, (a) separation method, (b) replacement fluid, (c) dose per session, and (d) number of sessions