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Jacobs JW, Sharma D, Stephens LD, Figueroa Villalba CA, Rinder HM, Woo JS, Wheeler AP, Gerberi D, Goel R, Tormey CA, Booth GS, Bloch EM, Adkins BD. Thrombosis risk with haemoglobin C trait and haemoglobin C disease: A systematic review. Br J Haematol 2024; 204:1500-1506. [PMID: 38291731 DOI: 10.1111/bjh.19313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/02/2024] [Accepted: 01/11/2024] [Indexed: 02/01/2024]
Abstract
The thrombotic risk with haemoglobin C trait (HbAC) or haemoglobin C disease (HbCC) is unclear. However, individuals with HbCC have demonstrated chronic haemolysis, higher blood viscosity and altered rheology when compared to individuals with wild-type haemoglobin (HbAA). These physiological alterations may theoretically translate to increased risk of thrombosis; therefore, a systematic literature review was performed to investigate the possible association between HbAC and/or HbCC and thrombosis. Twenty-two studies met inclusion criteria representing 782 individuals with HbAC (n = 694) or HbCC (n = 88). Fifteen studies described the presence/absence of venous thromboembolism (VTE) in patients with HbAC (n = 685) or HbCC (n = 79), while seven studies described patients with HbAC (n = 9) or HbCC (n = 9) and arterial thrombosis. Most (n = 20) studies were case reports or case series; however, two studies suggested a potential increased VTE risk with HbAC compared to HbAA in (i) all patients (OR 2.2, 95% CI: 0.9-5.5) and in (ii) pregnant individuals (RR 3.7, 95% CI 0.9-16). This review is the largest assessment of patients with HbC trait or disease and thrombosis to date; despite its limitations, the findings suggest HbC may be a predisposing risk factor to thrombosis. Prospective cohort studies are warranted to definitively elucidate the risk of thrombosis in this population.
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Affiliation(s)
- Jeremy W Jacobs
- Special Coagulation Laboratory, Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA
| | - Deva Sharma
- Division of Transfusion Medicine, Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Division of Hematology/Oncology, Department of Medicine, Vanderbilt-Meharry Center for Excellence in Sickle Cell Disease, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Laura D Stephens
- Department of Pathology, University of California San Diego, La Jolla, California, USA
| | | | - Henry M Rinder
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, Connecticut, USA
- Department of Hematology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Jennifer S Woo
- Department of Pathology, City of Hope National Medical Center, Irvine, California, USA
| | - Allison P Wheeler
- Division of Coagulation Medicine, Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Division of Hematology/Oncology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Dana Gerberi
- Mayo Clinic Libraries, Mayo Clinic, Rochester, Minnesota, USA
| | - Ruchika Goel
- Department of Internal Medicine, Simmons Cancer Institute, Southern Illinois University School of Medicine, Springfield, Illinois, USA
- Vitalant, Corporate Medical Affairs, Scottsdale, Arizona, USA
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Christopher A Tormey
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Garrett S Booth
- Division of Transfusion Medicine, Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Evan M Bloch
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Brian D Adkins
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
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