Evidence map›Paper›PMID 42163154›Full record

ArticleBMC infectious diseases2026

Primary causes of hospital admission in HTLV-1 infected patients: infectious complications, predictors of mortality and long-term survival outcomes.

Fatemeh Moghadam, Mahboubeh Haddad, Fereshte Sheybani, Mohsen Seddigh Shamsi

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Article in BMC infectious diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Fatemeh MoghadamDepartment of Infectious Diseases and Tropical Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
Mahboubeh HaddadDepartment of Infectious Diseases and Tropical Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
Fereshte SheybaniDepartment of Infectious Diseases and Tropical Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran. Fereshtesheybani@gmail.com.
Mohsen Seddigh ShamsiDepartment of Hematology-Oncology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundHuman T-cell lymphotropic virus type 1 (HTLV-1) is a globally prevalent retrovirus associated with adult T-cell leukemia-lymphoma (ATL) and HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). Despite substantial research, the high mortality risk among HTLV-1 carriers remains poorly understood.

objectiveThis study aimed to identify primary causes of hospital admission, predictors of mortality, and long-term survival outcomes in HTLV-1-infected patients.

methodsA retrospective cohort study was conducted in two referral hospitals in Mashhad, Iran, from 2011 to 2022, including 308 adult HTLV-1-infected patients. Hospital admissions, clinical outcomes, and mortality predictors were analyzed. Survival analysis was performed on 95 patients who completed follow-up.

resultsAmong the 308 patients, a total of 582 hospital admissions were evaluated. The median age of the patients was 55 years, and 61.4% were female. The primary causes of hospitalization were infectious complications (23.7%), HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) (14.8%), and adult T-cell leukemia (ATL) (12.5%). The in-hospital mortality rate was 16.8%, with 98 patients succumbing during their hospital stay. Among patients discharged from the hospital, the median post-discharge survival was approximately 33 months. Factors significantly associated with in-hospital mortality included extended hospital stays, elevated leukocyte counts, high percentages of polymorphonuclear cells, thrombocytopenia, and co-infection with hepatitis B.

conclusionHTLV-1 infection is associated with high mortality during hospitalization and limited long-term survival after discharge, largely driven by infectious complications and co-infections such as hepatitis B. The substantial post-discharge mortality emphasizes the need for improved patient management and robust follow-up care to mitigate long-term mortality risk in this population. CLINICAL TRIAL NUMBER: Not applicable.

Indexed as

HospitalizationHTLV-I InfectionsAdultAgedFemaleHumansHuman T-lymphotropic virus 1IranMaleMiddle AgedRetrospective StudiesSurvival AnalysisATLHAM/TSPHTLV-1Infectious complicationsPneumoniaSurvival

Identifiers

PMID42163154
PMCPMC13371221

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