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Gresele P, Falcinelli E, Bury L, Alessi MC, Guglielmini G, Falaise C, Podda G, Fiore M, Mazziotta F, Sevivas T, Bermejo N, De Candia E, Chitlur M, Lambert MP, Barcella L, Glembotsky AC, Lordkipanidzé M. Association of laboratory test results with the bleeding history in patients with inherited platelet function disorders (the Bleeding Assesment Tool - LABoratory tests substudy): communication from the Platelet Physiology ISTH-SSC. Res Pract Thromb Haemost 2024; 8:102305. [PMID: 38292347 PMCID: PMC10825541 DOI: 10.1016/j.rpth.2023.102305] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 11/20/2023] [Accepted: 12/04/2023] [Indexed: 02/01/2024] Open
Abstract
Background In hemophilia and von Willebrand disease, the degree of alteration of laboratory assays correlates with bleeding manifestations. Few studies have assessed the predictive value for bleeding of laboratory assays in patients with inherited platelet function disorders (IPFDs). Objectives To assess whether there is an association between platelet function assay results and bleeding history, as evaluated by the International Society on Thrombosis and Haemostasis (ISTH) bleeding assessment tool (BAT). Methods Centers participating in the international ISTH-BAT validation study were asked to provide results of the diagnostic assays employed for the patients they enrolled, and the association with the individual patients' bleeding score (BS) was assessed. Results Sixty-eight patients with 14 different IPFDs were included. Maximal amplitude of platelet aggregation was significantly lower in patients with a pathologic BS and correlated inversely with the BS, a finding largely driven by the subgroup of patients with Glanzmann thrombasthenia and CalDAG-GEFI deficiency; after their exclusion, TRAP-induced aggregation remained significantly lower in patients with a pathologic BS. Bleeding time was significantly more prolonged in patients with a high BS than in those with a normal BS (27.1 ± 6.2 minutes vs 15.1 ± 10.6 minutes; P < .01). Reduced α-granule content was significantly more common among patients with a pathologic BS than among those with a normal BS (80% vs 20%; P < .05). Receiver operating characteristic curve analysis revealed a significant discriminative ability of all the aforementioned tests for pathologic BS (P < .001), also after exclusion of patients with Glanzmann thrombasthenia and CalDAG-GEFI deficiency. Conclusion This study shows that altered platelet laboratory assay results are associated with an abnormal ISTH-BAT BS in IPFD.
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Affiliation(s)
- Paolo Gresele
- Section of Internal and Cardiovascular Medicine, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Emanuela Falcinelli
- Section of Internal and Cardiovascular Medicine, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Loredana Bury
- Section of Internal and Cardiovascular Medicine, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Marie-Christine Alessi
- Centre for CardioVascular and Nutrition Research, Institut National de la Sante et de la Recherche Medicale 1263, Institut National de la Recherche Agronomique 1260, Marseille, France
| | - Giuseppe Guglielmini
- Section of Internal and Cardiovascular Medicine, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Céline Falaise
- Centre for CardioVascular and Nutrition Research, Institut National de la Sante et de la Recherche Medicale 1263, Institut National de la Recherche Agronomique 1260, Marseille, France
| | - Gianmarco Podda
- Dipartimento di Scienze della Salute, Medicina III, Azienda Socio Sanitaria Territoriale Santi Paolo e Carlo, Università degli Studi di Milano, Milano, Italy
| | - Mathieu Fiore
- Laboratory of Hematology, University Hospital of Bordeaux, Pessac, France
| | - Francesco Mazziotta
- Section of Internal and Cardiovascular Medicine, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Teresa Sevivas
- Serviço de Sangue e Medicina Transfusional, Centro Hospitalar e Universitario de Coimbra, Coimbra, Portugal
| | | | - Erica De Candia
- Hemostasis and Thrombosis Unit, Policlinico Universitario Agostino Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, Roma, Italy
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, Roma, Italy
| | - Meera Chitlur
- Children’s Hospital of Michigan, Detroit, Michigan, USA
| | | | - Luca Barcella
- Immunohematology and Transfusion Medicine & Hemostasis and Thrombosis Center, Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
| | - Ana C. Glembotsky
- Instituto de Investigaciones Médicas A. Lanari, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
- Departamento Hematología Investigación, Consejo Nacional de Investigaciones Científicas y Tecnológicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas, Buenos Aires, Argentina
| | - Marie Lordkipanidzé
- Université de Montréal, Montréal, Québec, Canada
- Research Center, Montreal Heart Institute, Montréal, Québec, Canada
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