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Use of heated tobacco products (IQOS) causes an acute increase in arterial stiffness and platelet thrombus formation
Department of Clinical Sciences, Division of Cardiovascular Medicine, Danderyd University Hospital, Karolinska Institutet, Stockholm, Sweden.
Department of Clinical Sciences, Division of Cardiovascular Medicine, Danderyd University Hospital, Karolinska Institutet, Stockholm, Sweden.
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine.
Department of Clinical Sciences, Division of Cardiovascular Medicine, Danderyd University Hospital, Karolinska Institutet, Stockholm, Sweden.
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2024 (English)In: Atherosclerosis, ISSN 0021-9150, E-ISSN 1879-1484, Vol. 390, article id 117335Article in journal (Refereed) Published
Abstract [en]

Background and aims: Heated tobacco products (HTPs) are novel alternative tobacco products being promoted as an alternative to cigarettes. To evaluate the impact of HTP use on vascular function, we investigated the effects of a brief HTP usage on arterial stiffness and platelet thrombus formation in healthy volunteers.

Methods: In a randomised crossover study, twenty-four healthy young adults with occasional tobacco use smoked the HTP IQOS 3 Multi (Phillip Morris Int.) and “no-exposure” was used as a control, with a wash-out period of at least one week in-between. Arterial stiffness was assessed through pulse wave velocity and pulse wave analysis. Blood samples, collected at baseline and 5 min following exposure, were analysed with the Total-Thrombus-formation analysis system evaluating platelet and fibrin-rich thrombus formation tendency.

Results: HTP exposure caused immediate heightened pulse wave velocity (+0.365 m/s, 95% CI: +0.188 to 0.543; p = 0.004) and enhanced augmentation index corrected to heart rate (+6.22%, 95% CI: +2.33 to 10.11; p = 0.003) compared to the no-exposure occasion. Similarly, blood pressure and heart rate transiently increased immediately following HTP inhalation. Platelet thrombus formation significantly increased following HTP exposure (area under the curve +59.5, 95% CI: +25.6 to 93.4; p < 0.001) compared to no-exposure. No effect was seen on fibrin-rich thrombus formation following HTP-exposure.

Conclusions: Brief HTP use in healthy young adults had immediate adverse effects on vascular function resulting in increased arterial stiffness and platelet thrombus formation, known risk factors for the development of atherosclerosis. Further research is needed to address long term health impacts.

Place, publisher, year, edition, pages
Elsevier, 2024. Vol. 390, article id 117335
Keywords [en]
Arterial stiffness, Heated tobacco products, Nicotine, Platelets, Thrombosis, Tobacco
National Category
Cardiac and Cardiovascular Systems
Identifiers
URN: urn:nbn:se:umu:diva-215940DOI: 10.1016/j.atherosclerosis.2023.117335ISI: 001203215800001PubMedID: 37872010Scopus ID: 2-s2.0-85174705819OAI: oai:DiVA.org:umu-215940DiVA, id: diva2:1808881
Available from: 2023-11-01 Created: 2023-11-01 Last updated: 2024-05-14Bibliographically approved

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Brynedal, AmelieBlomberg, AndersBosson, Jenny A.Hedman, Linnea

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