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:: Volume 11, Issue 1 (Spring 2014 2015) ::
Sci J Iran Blood Transfus Organ 2015, 11(1): 23-31 Back to browse issues page
The prevalence of platelet function defects in patients referred to the special reference coagulation laboratory of Iranian Blood Transfusion Organization
A. Rajabi, M. Ahmadinejad, M. Mashkooli, S.M.R. Tabatabaie, S.L. Seyed Mortaz, S. Ran-Balooch, S.S. Moazezi Nekoui-Asl, Z. Mokhtari, M. Mojtabavi Naeini
Keywords: Key words: Blood Platelet Disorders, Platelet Function Tests, Platelet Aggregation, Bernard-Soulier Syndrome, Thrombasthenia
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Type of Study: Research | Subject: Hematology
Published: 2014/03/16
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Sci J Iran Blood Transfus Organ 2014; 11(1): 23-31
 
Original Article
 

 

The prevalence of platelet function defects in patients
 referred to the special reference coagulation laboratory of Iranian Blood Transfusion Organization
 
Rajabi A.1, Ahmadinejad M.1, Mashkooli M.1, Tabatabaei S.M.R.1, Seyed Mortaz S.L.1,
 Ran-Balooch S.1, Moazezi Nekoui-Asl S.S.1, Mokhtari Z.1, Mojtabavi Naeini M.1
 
 
1Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran 
 
 
Abstract
Background and Objectives
Platelet function disorders are common in the world population but in our country except for severe cases, they are not well investigated due to limited diagnostic tools. In recent two years we aimed to assess platelet function tests in referral patients suspected of platelet function disorders, in the special reference coagulation laboratory of Iranian Blood Transfusion Organization, as the center equipped with lumi-aggregometer.
 
Materials and Methods
We have investigated 195 referral patients during a seven-month period, from November 2011 to May 2012, for platelet aggregation and ATP release response for highly suspected patients with four platelet agonists ADP, collagen, arachidonic acid and ristocetin and a luciferin-luciferase reagent. Results were analyzed by SPSS version 16.
 
Results
Among 195 referred patients, 90 cases (46.1%) had an abnormality in platelet count or function. Abnormal cases fall within the categories of low platelet count with normal function (8.2%), ATP release (secretion) defect (6.7%), Glanzman's thrombastenia (4.6%), Bernard Solier Syndrome (2%), acquired platelet defect (1.5%), afibrinogenemia (0.5%), and uncategorized platelet function disorders (22.6%). The other 105 remaining patients showed a quiet normal result.
 
Conclusions 
The present study is the first simultaneous analysis of platelet function and secretion disorders. In order to guess the true prevalence of these disorders, more wider and comprehensive studies, the use of more complete panels of agonists and ATP release assessment in all patients with an abnormal aggregometry pattern have been suggested for future studies.
 
Key words: Blood Platelet Disorders, Platelet Function Tests, Platelet Aggregation, Bernard-Soulier Syndrome, Thrombasthenia
 
 
Received:   7 May 2013
Accepted: 11 Aug 2013
 
 

Correspondence: Ahmadinejad M., MD. Pathologist. Assistant Professor of Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine.
P.O.Box: 14665-1157, Tehran, Iran. Tel: (+9821) 88212459; Fax: (+9821) 88601555
E-mail: minooam26@yahoo.com
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Rajabi A, Ahmadinejad M, Mashkooli M, Tabatabaie S, Seyed Mortaz S, Ran-Balooch S, et al . The prevalence of platelet function defects in patients referred to the special reference coagulation laboratory of Iranian Blood Transfusion Organization. Sci J Iran Blood Transfus Organ. 2015; 11 (1) :23-31
URL: http://bloodjournal.ir/article-1-851-en.html


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Volume 11, Issue 1 (Spring 2014 2015) Back to browse issues page
فصلنامه پژوهشی خون Scientific Journal of Iran Blood Transfus Organ
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