Increased vulnerability to atrial and ventricular arrhythmias caused by different types of inhaled tobacco or marijuana products.

ABSTRACT:

Background

The emergence of a plethora of new tobacco products marketed as being less harmful than smoking, such as electronic cigarettes and heated tobacco products, and the increased popularity of recreational marijuana have raised concerns about the potential cardiovascular risk associated with their use.

Objective

The purpose of this study was to investigate whether the use of novel tobacco products or marijuana can cause the development of proarrhythmic substrate and eventually lead to arrhythmias.

Methods

Rats were exposed to smoke from tobacco, marijuana, or cannabinoid-depleted marijuana, to aerosol from electronic cigarettes or heated tobacco products, or to clean air once per day for 8 weeks, following by assays for blood pressure, cardiac function, ex vivo

SUBMITTER: Qiu H 

PROVIDER: S-EPMC10006068 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature