A retrospective study of patients with systemic lupus erythematosus combined with Pneumocystis jiroveci pneumonia treated with caspofungin and trimethoprim/sulfamethoxazole.

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A retrospective study of patients with systemic lupus erythematosus combined with Pneumocystis jiroveci pneumonia treated with caspofungin and trimethoprim/sulfamethoxazole.

Medicine (Baltimore). 2019 Jun;98(23):e15997

Authors: Wang ZG, Liu XM, Wang Q, Chen NF, Tong SQ

Abstract
Systemic lupus erythematosus (SLE) complicated with Pneumocystis jiroveci pneumonia (PCP) is a clinical complex with unsatisfying treatment efficacy and poor prognosis which is difficult to be diagnosed at early stage. The present study aimed to investigate the clinical features of SLE with PCP, recognize the early onset indicating factors, and evaluate the treatment efficacy of combined caspofungin and trimethoprim/sulfamethoxazole (coSMZ).We reviewed data of 9 patients admitted with SLE-PCP and treated with caspofungin combined with coSMZ at Tangshan Gongren Hospital from January 2013 to December 2017. Patients' clinical manifestation and laboratory data [leucocyte, lymphocyte, cluster of differentiation 4 (CD4)T cell, lactate dehydrogenase (LDH), blood gas, etc] were compared before and after treatments. And the early onset factors of SLE-PCP, treatment efficacy of combined caspofungin and CoSMZ were analyzed.Among these 9 patients, 8 patients suffered renal impairment, and all of them had been taking prednisone in the past 3 months at an average dose of 29.4 ± 13.6 mg/day. In addition, they had taken at least one kind of immunosuppressants. Laboratory data (leucocyte, lymphocyte, CD4T cell, PaO2, LDH) were remarkably abnormal at hospital admission, but they were improved significantly after 2 weeks of treatment, which is also statistically significant (P < .05), except that leukocyte had no significance change to the value at admission (P = .973). In addition, none of the studied patients died.The results of the study indicated that long-term use of glucocorticoids and immunosuppressants, low CD4T cell count, and renal impairment are the early-onset factors for SLE-PCP, caspofungin, when combined with CoSMZ, it could be a promising and effective strategy to treat SLE with PCP.

PMID: 31169741 [PubMed - in process]