Lymphopenia is a risk factor for severe infections in older patients with microscopic polyangiitis: a retrospective cohort study in Japan.
Makoto YamaguchiHirokazu SugiyamaHironobu NobataHiroshi KinashiAkimasa AsaiFumiya KitamuraTakayuki KatsunoMasahiko AndoYoko KuboShogo BannoYasuhiko ItoTakuji IshimotoPublished in: Rheumatology advances in practice (2023)
Lymphopenia is a predictor of subsequent severe infections in patients with MPA who receive immunosuppressive therapy. These results suggest the importance of sustained infection surveillance, particularly in older patients who develop lymphopenia during strong immunosuppressive therapy.