Investigation of the contribution of an underlying platelet defect in women with unexplained heavy menstrual bleeding

Autor: Gillian C. Lowe, Roksana Fickowska, Rashid Al Ghaithi, Annabel Maclachlan, Paul Harrison, Will Lester, Steve P. Watson, Bethan Myers, Justin Clark, Neil V. Morgan
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Platelets, Vol 30, Iss 1, Pp 56-65 (2019)
Druh dokumentu: article
ISSN: 0953-7104
1369-1635
09537104
DOI: 10.1080/09537104.2018.1543865
Popis: Heavy menstrual bleeding (HMB) is often undiagnosed in women and can cause discomfort and distress. A haemostatic cause for excessive bleeding is often not routinely investigated and can lead to hysterectomy at an early age. A prospective cohort study was carried out to determine whether certain patients with unexplained HMB have an underlying platelet function defect (PFD). The Genotyping and Phenotyping of Platelets (GAPP) study recruited 175 women with HMB and 44 unrelated volunteers from 25 Haemophilia Centres across the UK, and a tertiary gynaecology service. Bleeding history was assessed using the International Society on Thrombosis and Haemostasis Bleeding Assessment Tool (ISTH-BAT). Platelet count, platelet size, haemoglobin and mean corpuscular volume were measured in whole blood using the Sysmex XN-1000 Haematology Analyzer. Platelet function testing using lumiaggregometry and flow cytometry was performed in patients included in this study. A PFD was identified in 47% (82/175) of patients with HMB. Cutaneous bleeding was the most frequent additional bleeding symptom (89% in PFD and 83% with no PFD). Whole blood platelet count was significantly lower (P
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