Boris Aleksovski1, Violeta Neceva2, Viktorija Vujović3, Nensi Manusheva3, Vladimir Rendevski4, Antoni Novotni3, Ana Filipce3, Anastazija Spasovska5, Aspazija Sofijanova5, Vasko Aleksovski6, Icko Gjorgoski7. 1. Faculty of Natural Sciences and Mathematics, "Ss. Cyril and Methodius" University, Arhimedova 3, P.O. Box 162, 1000 Skopje, Macedonia. Electronic address: borisaleksovski@pmf.ukim.mk. 2. Institute of Transfusion Medicine, Department for Hemostasis and Thrombosis, Mother Teresa 17, 1000 Skopje, Macedonia. 3. University Clinic of Psychiatry, Medical Faculty, "Ss. Cyril and Methodius" University, Belgradska bb, 1000 Skopje, Macedonia. 4. University Clinic of Neurosurgery, Medical Faculty, "Ss. Cyril and Methodius" University, Mother Teresa 17, 1000 Skopje, Macedonia. 5. University Children's Hospital, Medical Faculty, "Ss. Cyril and Methodius" University, Mother Teresa 17, 1000 Skopje, Macedonia. 6. University Clinic of Neurology, Medical Faculty, "Ss. Cyril and Methodius" University, Mother Teresa 17, 1000 Skopje, Macedonia. 7. Faculty of Natural Sciences and Mathematics, "Ss. Cyril and Methodius" University, Arhimedova 3, P.O. Box 162, 1000 Skopje, Macedonia.
Abstract
INTRODUCTION: Adverse effects with bleeding disorders are often associated with the administration of SSRI in depression, although the exact mechanisms remain contradicting. This study is aimed at detecting and exploring the mechanisms of SSRI-induced changes in platelet reactivity in non-responding patients with Recurrent Depressive Disorder (RDD) and life-long exposure to antidepressants. MATERIALS AND METHODS: Thirty-one patients and thirty-one healthy controls were included in the study. A comprehensive approach which includes evaluation of peripheral markers and microscopic analyses of platelet morphology changes has been used. RESULTS: RDD SSRI patients have shown blunted aggregatory responses towards collagen and epinephrine. Evident differences in the microscopic evaluation of platelet morphology were observed between the groups, with inherent absence of micro-aggregates and platelet shape changes within the patients; after quantification, the sensitivity and specificity of this method were assessed as high. The abnormalities were found in association with lower platelet serotonin content and high fluctuations of free plasma serotonin levels. Changes in the levels of CRP, fibrinogen and nitric oxide were not observed. Macroplatelets were also detected within RDD SSRI patients via increased MPV, PDW and P-LCR, which were associated with discoid shape and without procoagulant activity. CONCLUSIONS: The microscopic evaluation might be useful as a simple method for detection of SSRI-reduced platelet function for research purposes or systematic correlations with other biochemical parameters. The mechanisms involved in SSRI-reduced platelet function in non-responding RDD patients are complex, including combined effects of lower platelet serotonin content, high fluctuations in plasma serotonin concentration and abnormal α-AR function.
INTRODUCTION: Adverse effects with bleeding disorders are often associated with the administration of SSRI in depression, although the exact mechanisms remain contradicting. This study is aimed at detecting and exploring the mechanisms of SSRI-induced changes in platelet reactivity in non-responding patients with Recurrent Depressive Disorder (RDD) and life-long exposure to antidepressants. MATERIALS AND METHODS: Thirty-one patients and thirty-one healthy controls were included in the study. A comprehensive approach which includes evaluation of peripheral markers and microscopic analyses of platelet morphology changes has been used. RESULTS: RDD SSRI patients have shown blunted aggregatory responses towards collagen and epinephrine. Evident differences in the microscopic evaluation of platelet morphology were observed between the groups, with inherent absence of micro-aggregates and platelet shape changes within the patients; after quantification, the sensitivity and specificity of this method were assessed as high. The abnormalities were found in association with lower platelet serotonin content and high fluctuations of free plasma serotonin levels. Changes in the levels of CRP, fibrinogen and nitric oxide were not observed. Macroplatelets were also detected within RDD SSRI patients via increased MPV, PDW and P-LCR, which were associated with discoid shape and without procoagulant activity. CONCLUSIONS: The microscopic evaluation might be useful as a simple method for detection of SSRI-reduced platelet function for research purposes or systematic correlations with other biochemical parameters. The mechanisms involved in SSRI-reduced platelet function in non-responding RDD patients are complex, including combined effects of lower platelet serotonin content, high fluctuations in plasma serotonin concentration and abnormal α-AR function.
Authors: Alessandro Gialluisi; Benedetta Izzi; Augusto Di Castelnuovo; Chiara Cerletti; Maria Bendetta Donati; Giovanni de Gaetano; Licia Iacoviello Journal: Haematologica Date: 2019-10-10 Impact factor: 9.941
Authors: Benedetta Izzi; Alfonsina Tirozzi; Chiara Cerletti; Maria Benedetta Donati; Giovanni de Gaetano; Marc F Hoylaerts; Licia Iacoviello; Alessandro Gialluisi Journal: Int J Mol Sci Date: 2020-11-21 Impact factor: 5.923
Authors: Balázs Fábián; Ildiko Fanny Horváth; Amir Houshang Shemirani; Zoltán Csiki Journal: Int J Environ Res Public Health Date: 2022-09-02 Impact factor: 4.614
Authors: M Krivosova; M Grendar; I Hrtanek; I Ondrejka; I Tonhajzerova; N Sekaninova; L Bona Olexova; D Mokra; J Mokry Journal: Physiol Res Date: 2020-12-31 Impact factor: 1.881
Authors: Alfonsina Tirozzi; Benedetta Izzi; Fabrizia Noro; Annalisa Marotta; Francesco Gianfagna; Marc F Hoylaerts; Chiara Cerletti; Maria Benedetta Donati; Giovanni de Gaetano; Licia Iacoviello; Alessandro Gialluisi Journal: Front Immunol Date: 2020-10-07 Impact factor: 7.561