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Therapy with acetylsalicylic acid does not interfere with oral surgery

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Dudek D., Helewski K., Wyrobiec G., Harabin-Słowińska M., Kowalczyk-Ziomek G., Żaba M., Wesołowski P., Stawski T., Wojnicz R.
Open Medicine
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2013
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vol. 8
|
issue 4
392-397
EN
The acetylsalicylic acid (ASA) treatment is widespread therapeutic strategy in cardiology clinics. On the other hand, patients with heart diseases represent a significant group of cases in dental clinics. Accordingly, we studied the local hemostatic thrombus formation after dental tooth extractions (n=47) and other oral surgery treatment (n=13) in 60 patients with heart disease being on ASA therapy without drug discontinuation. In the control group free of ASA therapy it was: (n=24) and (n=6), respectively. In all studied patients, the aggregative activity of blood platelets by PFA-100 analyzer was assessed. It was found that 61.7% patients treated with ASA presented inhibition of platelets aggregation. Unexpectedly, in 35% of such patients, platelet aggregation function remained unchanged. In the control group, normal platelet aggregation was found in all subjects. It has been shown that ASA therapy has neutral effects on both thrombus formation and pain complications in patients with heart disease underwent tooth extraction and other oral surgery. Thus discontinuation of ASA therapy before surgery seems to be weakly validated.
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Changes of platelets’ function in preeclampsia

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Babic G., Novokmet S., Jankovic S.
Open Medicine
|
2011
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vol. 6
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issue 6
696-700
EN
Increased aggregation of platelets during preeclampsia was shown in several studies, yet several others reported no change. The aim of our study was to investigate platelet aggregation in a group of patients suffering from preeclampsia. In a cross-sectional study blood samples were taken from 89 hospitalized patients in the third trimester of pregnancy: 38 were suffering from mild to moderate preeclampsia and 51 patients were without preeclampsia. From the blood samples platelet aggregation, secretion of adenine nucleotides from platelets, concentration of energy-rich adenine compounds and levels of cyclic adenosine-mono-phosphate and cyclic guanosine mono-phosphate in platelets were measured. In the patients with preeclampsia, the adenosine diphosphate threshold for biphasic aggregation [odds ratio (OR):.75; 95% Confidence Interval (CI): 0.55–1.02; p<0.05], total adenine nucleotides concentration in the metabolic pool of platelets (OR:0.99; CI: 0.62–1.57; p<0.01) and cyclic adenosine-mono-phosphate (OR:0.81; CI: 0.57, 1.14; p<0.05) and cyclic guanosine mono-phosphate (OR:.78; CI: 0.55–1.09; p<0.05) levels in platelets were decreased in comparison with the control group, while adenylate energy charge in the metabolic pool of platelets (OR: >100.00; CI: 0.00->100.00; p<0.05) and secretion of adenosine triphosphate (OR:.13; CI: 0.00–14.26; p<0.05) and adenosine diphosphate (OR:.77; CI: 0.08–36.79; p<0.05) were increased. The results of our study show increased activation and aggregation of platelets in pregnant females with preeclampsia.
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