Platelet and red blood cell indices in Harris platelet syndrome

Harris V K Naina, Samar Harris

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Inherited thrombocytopenias, including inherited giant platelet disorders (IGPD) or macro thrombocytopenias are relatively rare, but their prevalence is likely underestimated from complexities of diagnosis and a spectrum of subclinical phenotypes. Harris platelet syndrome (HPS) is the most common IGPD reported from the Indian subcontinent. Of note there are an increased number of hemoglobinopathies reported from the geographic location. We analysed red blood cell and platelet indices of blood donors with HPS from the north eastern part of India and compared them with blood indices of blood donors of south India. We found a statistically significant lower platelet count in blood donors with HPS (median, range) 132 (71-267) vs. 252 (160-478) as compared to donors from south India (P < 0.001). Mean platelet volume (MPV) was higher in donors with HPS 13.1, (range 12-21.9 fl) as compared to donors from south India 7.35 (range 6-9.2 fl) (P < 0.001). This study showed that blood donors with HPS had a low median platelet bio-mass 0.17 (0.10-0.38%) vs. 0.19 (0.13-0.28%) in donors from south India. The platelet distribution width (PDW) was 17.4 (14.9-19.6) in donors with HPS vs. 16.38 (15.2-18.5) in south Indian blood donors (P < 0.001). Thirty-three donors with HPS had a normal platelet count with MPV more than 12 fL. Only donors with HPS had giant platelets and thrombocytopenia on peripheral blood smear examination. None of these donors had Dohle body inclusion in their leukocytes. Compared to donors from south India, donors with HPS had a significantly lower hemoglobin 13.8 (12-16.3 gm/dL) vs. 14.8 (12-18) respectively (P < 0.001) while red distribution width (RDW) was higher in HPS 13.6 (11.5-16.7) vs. 12.8 (11.4-15.1). However we did not find any statistically significant difference in MCV, MCH, MCHC between the two groups. Peripheral blood smear did not show any obvious abnormal red blood cell morphology. In the blood donors with HPS we found a statistically higher MPV, RDW and a lower platelet count and platelet biomass. A population-based study will be helpful in determining the existence of any hemoglobinopathies among subjects with HPS.

Original languageEnglish (US)
Pages (from-to)303-306
Number of pages4
JournalPlatelets
Volume21
Issue number4
DOIs
StatePublished - Jun 2010

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Erythrocyte Indices
Blood Platelets
Erythrocytes
Tissue Donors
Blood Donors
India
Mean Platelet Volume
Bernard-Soulier Syndrome
Platelet Count
Hemoglobinopathies
Geographic Locations
Inclusion Bodies

Keywords

  • Harris platelet syndrome
  • Inherited giant platelet disorders
  • Macrothrombocytopenia

ASJC Scopus subject areas

  • Hematology

Cite this

Platelet and red blood cell indices in Harris platelet syndrome. / Naina, Harris V K; Harris, Samar.

In: Platelets, Vol. 21, No. 4, 06.2010, p. 303-306.

Research output: Contribution to journalArticle

Naina, Harris V K ; Harris, Samar. / Platelet and red blood cell indices in Harris platelet syndrome. In: Platelets. 2010 ; Vol. 21, No. 4. pp. 303-306.
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