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Comprehensive insights into tuberculosis-associated hemophagocytic lymphohistiocytosis: a systematic review

Arvin Eslami, Shaya Alimoghadam, Sanaz Khodadadi, Hadi Allahverdi, Rojina Alimoghadam, Amir Kasaeian, Davood Mansouri, Kamran Alimoghaddam et al.

BMC Infectious Diseases, 2024

213 participants · 15 citations

Abstract

BACKGROUND: Tuberculosis-associated hemophagocytic lymphohistiocytosis (TB-HLH) presents significant challenges in diagnosis and treatment due to its complex interplay between TB and HLH. This systematic review aims to provide comprehensive insights into the epidemiology, clinical characteristics, and treatment outcomes of TB-HLH patients. METHODS: We performed a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, searching PubMed, Scopus, Web of Science, and Embase up to May 16, 2023, without language restrictions. We included case reports and cases series on patients with both TB and HLH with documented treatment outcomes. Data were analyzed using descriptive statistics, chi-square or Fisher's exact tests, t-tests, and mortality rates. Significant variables (p < 0.05) from univariate analysis and clinically relevant factors were used in binary logistic regression to determine odds ratios, 95% confidence intervals, and p-values. RESULTS: A total of 185 articles involving 213 patients were included. The overall mortality rate was 39%. Age ≥ 44 years and comorbidities were identified as independent risk factors for increased mortality (p = 0.005). Anti-tuberculosis treatment (ATT) combined with HLH-specific therapies, was associated with reduced mortality compared to ATT alone (p < 0.05), especially IVIG (p = 0.04). CONCLUSION: Integrating ATT with HLH-specific therapies significantly enhances survival in TB-HLH…

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Evidence Hub reads this as a systematic review, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 213 participants or records.

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