Risk factors for mortality in adult patients with sickle cell disease

A meta-analysis of studies in North America and Europe

Poulami Maitra, Melissa Caughey, Laura Robinson, Payal C. Desai, Susan Jones, Mehdi Nouraie, Mark T. Gladwin, Alan Hinderliter, Jianwen Cai, Kenneth Ataga

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Although recent studies show an improved survival of children with sickle cell disease in the US and Europe, for adult patients mortality remains high. This study was conducted to evaluate the factors associated with mortality in adult patients following the approval of hydroxyurea. We first evaluated the association between selected variables and mortality at an academic center (University of North Carolina). Data sources were then searched for publications from 1998 to June 2016, with meta-analysis of eligible studies conducted in North America and Europe to evaluate the associations of selected variables with mortality in adult patients. Nine studies, combined with the UNC cohort (total n=3257 patients) met the eligibility criteria. Mortality was significantly associated with age (per 10-year increase in age) [7 studies, 2306 participants; hazard ratio (HR): 1.28; 95% confidence interval (CI): 1.10-1.50], tricuspid regurgitant jet velocity 2.5 m/s or more (5 studies, 1577 participants; HR: 3.03; 95%CI: 2.0-4.60), reticulocyte count (3 studies, 1050 participants; HR: 1.05; 95%CI: 1.01-1.10), log(N-terminal-pro-brain natriuretic peptide) (3 studies, 800 participants; HR: 1.68; 95%CI: 1.48-1.90), and fetal hemoglobin (7 studies, 2477 participants; HR: 0.97; 95%CI: 0.94-1.0). This study identifies variables associated with mortality in adult patients with sickle cell disease in the hydroxyurea era.

Original languageEnglish (US)
Pages (from-to)626-636
Number of pages11
JournalHaematologica
Volume102
Issue number4
DOIs
StatePublished - Mar 31 2017

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Sickle Cell Anemia
North America
Meta-Analysis
Confidence Intervals
Mortality
Hydroxyurea
Reticulocyte Count
Fetal Hemoglobin
Brain Natriuretic Peptide
Information Storage and Retrieval
Publications
Survival

All Science Journal Classification (ASJC) codes

  • Hematology

Cite this

Risk factors for mortality in adult patients with sickle cell disease : A meta-analysis of studies in North America and Europe. / Maitra, Poulami; Caughey, Melissa; Robinson, Laura; Desai, Payal C.; Jones, Susan; Nouraie, Mehdi; Gladwin, Mark T.; Hinderliter, Alan; Cai, Jianwen; Ataga, Kenneth.

In: Haematologica, Vol. 102, No. 4, 31.03.2017, p. 626-636.

Research output: Contribution to journalArticle

Maitra, P, Caughey, M, Robinson, L, Desai, PC, Jones, S, Nouraie, M, Gladwin, MT, Hinderliter, A, Cai, J & Ataga, K 2017, 'Risk factors for mortality in adult patients with sickle cell disease: A meta-analysis of studies in North America and Europe', Haematologica, vol. 102, no. 4, pp. 626-636. https://doi.org/10.3324/haematol.2016.153791
Maitra, Poulami ; Caughey, Melissa ; Robinson, Laura ; Desai, Payal C. ; Jones, Susan ; Nouraie, Mehdi ; Gladwin, Mark T. ; Hinderliter, Alan ; Cai, Jianwen ; Ataga, Kenneth. / Risk factors for mortality in adult patients with sickle cell disease : A meta-analysis of studies in North America and Europe. In: Haematologica. 2017 ; Vol. 102, No. 4. pp. 626-636.
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