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ISSN: 1734-1922
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Clinical research

Evaluation of selected parameters of the coagulation system during the perioperative period in patients undergoing endoscopic surgery of the paranasal sinuses

Joanna Urbaniak
Kalina Owczarek
Jarosław Miłoński
Piotr Pietkiewicz
Anna Jałocha-Kaczka
Jurek Olszewski

Arch Med Sci
Online publish date: 2018/01/04
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Introduction: The aim of the study was to evaluate selected parameters of the coagulation system during the perioperative period in patients undergoing endoscopic sinus surgery.

Material and methods: The study involved 121 patients: group I – 42 patients who did not receive anticoagulatory or antiplatelet medications, qualified for endoscopic sinus surgery under total intravenous anaesthesia (TIVA); group II – 40 patients who received in the perioperative period low-molecular-weight heparins, qualified for endoscopic sinus surgery under TIVA; group III – 39 patients diagnosed according to a schedule, due to vertigo or loss of hearing. All the patients received a full laryngological examination and detailed audiological and otoneurological diagnostics, and examination of selected haemostatic parameters before the surgery/diagnostics.

Results: The analysis of concentrations of coagulation parameters in groups I and II revealed a statistically significantly higher international normalized ratio value before surgery (I – 1.11; II – 1.08) and 48 h following surgery (I – 1.15; II – 1.10) in group I. The concentration of coagulation factor VII in the study patients was considerably higher in group I for all three measurements (481.93; 443.13; 486.02). The concentration of fibrinogen (coagulation factor I) was significantly lower in group I before surgery (3.2) and at 6 h after surgery (2.84). A significantly lower level of von Willebrand factor was found in group I before surgery (2.94). Comparing test results of groups I and III, who did not receive antiaggregants, statistically significant differences were observed in both tests for factors VII and VIII.

Conclusions: Concentrations of von Willebrand factor and prothrombin revealed statistically significant differences in between groups.

intranasal surgery, low-molecular-weight heparin, antiplatelet drugs, blood coagulation factors, intravenous anaesthesia

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