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Ruedisueli I, Shi K, Lopez S, Gornbein J, Middlekauff HR. Arrhythmogenic effects of acute electronic cigarette compared to tobacco cigarette smoking in people living with HIV. Physiol Rep 2024; 12:e16158. [PMID: 39044007 PMCID: PMC11265994 DOI: 10.14814/phy2.16158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 06/21/2024] [Accepted: 07/10/2024] [Indexed: 07/25/2024] Open
Abstract
The leading cause of death in people living with HIV (PLWH) is cardiovascular disease, and the high prevalence of tobacco cigarette (TC) smoking is a major contributor. Switching to electronic cigarettes (ECs) has been promoted as a harm reduction strategy. We sought to determine if acute EC compared to TC smoking had less harmful effects on arrhythmogenic risk factors including acute changes in hemodynamics, heart rate variability (HRV), and ventricular repolarization (VR). In PLWH who smoke, changes in hemodynamics, HRV, and VR were compared pre/post acutely using an EC, TC, or puffing on an empty straw on different days in random order, in a crossover study. Thirty-seven PLWH (36 males, mean age 40.5 ± 9.1 years) participated. Plasma nicotine was greater after TC versus EC use (10.12 ± 0.96 vs. 6.18 ± 0.99 ng/mL, respectively, p = 0.004). HR increased significantly, and similarly, after acute EC and TC smoking compared to control. Changes in HRV that confer increased cardiac risk (LF/HF ratio) were significantly smaller after acute EC versus TC use, consistent with a harm reduction effect. In a post-hoc analysis of PLWH with and without positive concurrent recreational drug use as indicated by point of care urine toxicology testing, this differential effect was only seen in PLWH not currently using recreational drugs. Changes in VR were not different among the three exposures. In PLWH who smoke, EC compared to TC smoking resulted in smaller adverse changes in HRV. This differential effect was accompanied by a smaller increase in plasma nicotine, and was negated by concurrent recreational drug use. Additional studies are warranted in this vulnerable population disproportionately affected by tobacco-related health disparities.
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Affiliation(s)
- Isabelle Ruedisueli
- Department of Medicine, Division of CardiologyUCLA David Geffen School of MedicineLos AngelesCaliforniaUSA
| | - Katie Shi
- Department of Medicine, Division of CardiologyUCLA David Geffen School of MedicineLos AngelesCaliforniaUSA
| | - Samuel Lopez
- Department of Medicine, Division of CardiologyUCLA David Geffen School of MedicineLos AngelesCaliforniaUSA
| | - Jeffrey Gornbein
- Departments of Medicine and Computational MedicineUCLA David Geffen School of MedicineLos AngelesCaliforniaUSA
| | - Holly R. Middlekauff
- Department of Medicine, Division of CardiologyUCLA David Geffen School of MedicineLos AngelesCaliforniaUSA
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2
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Dai Y, Yang W, Song H, He X, Guan R, Wu Z, Jiang X, Li M, Liu P, Chen J. Long-term effects of chronic exposure to electronic cigarette aerosol on the cardiovascular and pulmonary system in mice: A comparative study to cigarette smoke. ENVIRONMENT INTERNATIONAL 2024; 185:108521. [PMID: 38508052 DOI: 10.1016/j.envint.2024.108521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 02/03/2024] [Accepted: 02/19/2024] [Indexed: 03/22/2024]
Abstract
Electronic cigarettes (e-cigarettes) have rapidly gained popularity as alternatives to traditional combustible cigarettes. However, their long-term health impact remains uncertain. This study aimed to investigate the effects of chronic exposure to e-cigarette aerosol (ECA) in mice compared to conventional cigarette smoke (CS) exposure. The mice were exposed to air (control), low, medium, or high doses of ECA, or a reference CS dose orally and nasally for eight months. Various cardiovascular and pulmonary assessments have been conducted to determine the biological and prosthetic effects. Histopathological analysis was used to determine structural changes in the heart and lungs. Biological markers associated with fibrosis, inflammation, and oxidative stress were investigated. Cardiac proteomic analysis was applied to reveal the shared and unique protein expression changes in ECA and CS groups, which related to processes such as immune activation, lipid metabolism, and intracellular transport. Overall, chronic exposure to ECA led to adverse cardiovascular and pulmonary effects in mice, although they were less pronounced than those of CS exposure. This study provides evidence that e-cigarettes may be less harmful than combustible cigarettes for the long-term health of the cardiovascular and respiratory systems in mice. However, further human studies are needed to clarify the long-term health risks associated with e-cigarette use.
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Affiliation(s)
- Yuxing Dai
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Wanchun Yang
- Jieyang Medical Research Center, Jieyang People's Hospital, Jieyang, Guangdong, China
| | - Hongjia Song
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xiangjun He
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Ruoqing Guan
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Zehong Wu
- RELX Science Center, Shenzhen RELX Tech. Co. Ltd., Shenzhen 518101, China
| | - Xingtao Jiang
- RELX Science Center, Shenzhen RELX Tech. Co. Ltd., Shenzhen 518101, China
| | - Min Li
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; National and Local Joint Engineering Laboratory of Druggability and New Drugs Evaluation, Guangdong Engineering Laboratory of Druggability and New Drug Evaluation, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
| | - Peiqing Liu
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; National and Local Joint Engineering Laboratory of Druggability and New Drugs Evaluation, Guangdong Engineering Laboratory of Druggability and New Drug Evaluation, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
| | - Jianwen Chen
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; National and Local Joint Engineering Laboratory of Druggability and New Drugs Evaluation, Guangdong Engineering Laboratory of Druggability and New Drug Evaluation, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
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Rose JJ, Krishnan-Sarin S, Exil VJ, Hamburg NM, Fetterman JL, Ichinose F, Perez-Pinzon MA, Rezk-Hanna M, Williamson E. Cardiopulmonary Impact of Electronic Cigarettes and Vaping Products: A Scientific Statement From the American Heart Association. Circulation 2023; 148:703-728. [PMID: 37458106 DOI: 10.1161/cir.0000000000001160] [Citation(s) in RCA: 31] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Vaping and electronic cigarette (e-cigarette) use have grown exponentially in the past decade, particularly among youth and young adults. Cigarette smoking is a risk factor for both cardiovascular and pulmonary disease. Because of their more limited ingredients and the absence of combustion, e-cigarettes and vaping products are often touted as safer alternative and potential tobacco-cessation products. The outbreak of e-cigarette or vaping product use-associated lung injury in the United States in 2019, which led to >2800 hospitalizations, highlighted the risks of e-cigarettes and vaping products. Currently, all e-cigarettes are regulated as tobacco products and thus do not undergo the premarket animal and human safety studies required of a drug product or medical device. Because youth prevalence of e-cigarette and vaping product use was as high as 27.5% in high school students in 2019 in the United States, it is critical to assess the short-term and long-term health effects of these products, as well as the development of interventional and public health efforts to reduce youth use. The objectives of this scientific statement are (1) to describe and discuss e-cigarettes and vaping products use patterns among youth and adults; (2) to identify harmful and potentially harmful constituents in vaping aerosols; (3) to critically assess the molecular, animal, and clinical evidence on the acute and chronic cardiovascular and pulmonary risks of e-cigarette and vaping products use; (4) to describe the current evidence of e-cigarettes and vaping products as potential tobacco-cessation products; and (5) to summarize current public health and regulatory efforts of e-cigarettes and vaping products. It is timely, therefore, to review the short-term and especially the long-term implications of e-cigarettes and vaping products on cardiopulmonary health. Early molecular and clinical evidence suggests various acute physiological effects from electronic nicotine delivery systems, particularly those containing nicotine. Additional clinical and animal-exposure model research is critically needed as the use of these products continues to grow.
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Luca AC, Curpăn AȘ, Iordache AC, Mîndru DE, Țarcă E, Luca FA, Pădureț IA. Cardiotoxicity of Electronic Cigarettes and Heat-Not-Burn Tobacco Products-A Problem for the Modern Pediatric Cardiologist. Healthcare (Basel) 2023; 11:healthcare11040491. [PMID: 36833024 PMCID: PMC9957306 DOI: 10.3390/healthcare11040491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/27/2023] [Accepted: 02/01/2023] [Indexed: 02/11/2023] Open
Abstract
Electronic nicotine delivery systems (ENDS) have become increasingly popular among adolescents, either as an alternative to conventional cigarettes (CCs) or as a newly acquired recreational habit. Although considered by most users as a safer option for nicotine intake, these devices pose significant health risks, resulting in multisystem damage. Heat-not-burn products, which, unlike ENDS, contain tobacco, are also alternatives to CCs that consumers use based on the idea that their safety profile is superior to that of cigarettes. Recent studies in the USA and EU show that adolescents are particularly prone to using these devices. Pediatric cardiologists, as well as other healthcare professionals, should be aware of the complications that may arise from acute and chronic consumption of these substances, considering the cardiovascular damage they elicit. This article summarized the known data about the impact of ENDS on the cardiovascular system, with emphasis on the pathophysiological and molecular changes that herald the onset of systemic lesions alongside the clinical cardiovascular manifestations in this scenario.
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Affiliation(s)
- Alina-Costina Luca
- Sfânta Maria’ Emergency Children’s Hospital, 700309 Iași, Romania
- Department of Pediatric Cardiology, Faculty of Medicine, Gr. T. Popa’ University of Medicine and Pharmacy, 700115 Iași, Romania
| | - Alexandrina-Ștefania Curpăn
- Department of Biology, Faculty of Biology, “Alexandru Ioan Cuza” University of Iași, Bd. Carol I, 20A, 700505 Iași, Romania
- Correspondence: (A.-Ș.C.); (E.Ț.)
| | - Alin-Constantin Iordache
- Department of Mother and Child Medicine–Pediatric Cardiology, “Grigore T. Popa”, University of Medicine and Pharmacy of Iasi, 16 Universitatii Str., 700115 Iași, Romania
| | - Dana Elena Mîndru
- Department of Pediatric Cardiology, Faculty of Medicine, Gr. T. Popa’ University of Medicine and Pharmacy, 700115 Iași, Romania
| | - Elena Țarcă
- Sfânta Maria’ Emergency Children’s Hospital, 700309 Iași, Romania
- Department of Surgery II—Pediatric Surgery, Grigore T. Popa’ University of Medicine and Pharmacy, 700115 Iași, Romania
- Correspondence: (A.-Ș.C.); (E.Ț.)
| | - Florin-Alexandru Luca
- Department BMTM, “Gheorghe Asachi” Technical University of Iasi, 700050 Iaşi, Romania
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Allen MS, Tostes RC. Cigarette smoking and erectile dysfunction: an updated review with a focus on pathophysiology, e-cigarettes, and smoking cessation. Sex Med Rev 2023. [DOI: 10.1093/sxmrev/qeac007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Abstract
Introduction
Cigarette smoking has major health implications and causes substantial damage to all organ systems. Approximately one-third of men are active smokers worldwide, and most men are unaware that cigarette smoking can contribute to erectile dysfunction (ED).
Objectives
This article aims to provide a comprehensive overview of research conducted on cigarette smoking and ED, with a particular focus on pathophysiology, electronic cigarettes (e-cigarettes), and smoking cessation.
Methods
A manual literature search was conducted on all research conducted on cigarette smoking and ED up to October 2022.
Results
Substantial evidence is now available showing that past and current cigarette smoking has dose-dependent associations with ED in studies controlling for age and important health comorbidities. Cigarette smoke contains nicotine, carbon monoxide, oxidant chemicals, and metals that can damage the endothelium and disrupt erectile processes. For current smokers, smoking abstinence can strengthen the endothelium and reverse diminished erectile function. The effect of e-cigarettes on endothelial damage and ED remains largely untested. E-cigarettes expose users to fine and ultrafine particles and toxins that can increase risk of cardiovascular injury, but these acute effects appear less potent than conventional cigarettes (long-term cardiovascular effects are still unknown). E-cigarettes are therefore likely to have less harmful effects on ED than conventional cigarettes.
Conclusions
Smoking cessation programs that focus on nicotine replacement therapy (transdermal patches, gum, or inhalers), behavioral counseling, social support, and education programs can be effective approaches to ED treatment in active smokers. Temporarily transferring from regular cigarettes to e-cigarettes—which transmit some of the same carcinogens as conventional cigarettes and are likely to have some long-term cardiovascular effects that disrupt erectile function—might also be useful for long-term smoking cessation and treatment of ED.
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Affiliation(s)
- Mark S Allen
- Department of Psychology and Therapeutic Studies , Leeds Trinity University, Leeds, LS18 5HD, UK
| | - Rita C Tostes
- Department of Pharmacology, University of São Paulo , São Paulo, Brazil
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Kim SY, Jeong SH, Joo HJ, Park M, Park EC, Kim JH, Lee J, Shin J. High prevalence of hypertension among smokers of conventional and e-cigarette: Using the nationally representative community dwelling survey. Front Public Health 2022; 10:919585. [PMID: 36324451 PMCID: PMC9618945 DOI: 10.3389/fpubh.2022.919585] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 09/12/2022] [Indexed: 01/22/2023] Open
Abstract
This study aimed to clarify the association between hypertension and conventional cigarette and electronic cigarette (e-cigarette) use, together or individually. A total of 275,762 participants were included, of which 120,766 were men and 154,996 were women. The data were drawn from the Korea Community Health Survey conducted in 2019. A multiple logistic regression model was used to examine the association between hypertension and types of smoking. Hypertension was defined as systolic blood pressure higher than 140 mmHg or diastolic blood pressure higher than 90 mmHg. Based on the types of smoking, participants were grouped as dual smokers of conventional and e-cigarettes, e-cigarette only smokers, conventional cigarette only smokers, past-smokers, and non-smokers. Compared to non-smokers, dual smokers presented the highest odds ratio for hypertension in the male [odds ratio (OR): 1.24, confidence interval (CI): 1.10 to 1.39] and female groups (OR: 1.44 CI: 0.96 to 2.15). According to the Cochran-Mantel-Haenszel test, the two-sided p-value of < 0.001 indicated an overall statistically significant association between types of smoking and hypertension. Use of both cigarette types was statistically significant in the male group, but only the use of conventional cigarettes and past smoking were statistically significant in the female group. Among smokers of the two cigarette types, those who were dual smokers of e-cigarettes and conventional cigarettes were the most likely to have the highest prevalence of hypertension.
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Affiliation(s)
- Soo Young Kim
- Department of Public Health, Yonsei University, Seoul, South Korea,Institute of Health Services Research, Yonsei University, Seoul, South Korea
| | - Sung Hoon Jeong
- Department of Public Health, Yonsei University, Seoul, South Korea,Institute of Health Services Research, Yonsei University, Seoul, South Korea
| | - Hye Jin Joo
- Department of Public Health, Yonsei University, Seoul, South Korea,Institute of Health Services Research, Yonsei University, Seoul, South Korea
| | - Minah Park
- Department of Public Health, Yonsei University, Seoul, South Korea,Institute of Health Services Research, Yonsei University, Seoul, South Korea
| | - Eun-Cheol Park
- Institute of Health Services Research, Yonsei University, Seoul, South Korea,Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, South Korea
| | - Jung Hyun Kim
- Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, South Korea
| | - Junbok Lee
- Health IT Center, Yonsei University Health System, Seoul, South Korea
| | - Jaeyong Shin
- Institute of Health Services Research, Yonsei University, Seoul, South Korea,Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, South Korea,*Correspondence: Jaeyong Shin
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Ruedisueli I, Arastoo S, Gupta PK, Gornbein J, Middlekauff H. Neural-hematopoietic-inflammatory axis in nonsmokers, electronic cigarette users, and tobacco smokers. Physiol Rep 2022; 10:e15412. [PMID: 36200129 PMCID: PMC9535258 DOI: 10.14814/phy2.15412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 06/29/2022] [Accepted: 07/14/2022] [Indexed: 06/16/2023] Open
Abstract
Amygdala activity in context of the splenocardiac model has not been investigated in healthy, young adults and has not been compared between nonsmokers, electronic cigarette users, and smokers. The purpose of the current study was to determine whether fluorodeoxyglucose positron emission tomography/computer tomography (FDG PET/CT) scans would demonstrate positively correlated metabolic activity in the amygdala, bone marrow, spleen, and aorta, elucidating activation of the splenocardiac axis in otherwise healthy young people who use tobacco products compared to nonusers. Moreover, the study was conducted to evaluate whether electronic cigarette users and tobacco smokers have similar levels of inflammation compared to nonusers. In 45 healthy adults (mean age = 25 years), including nonsmoker (n = 15), electronic cigarette user (n = 16), and smoker (n = 14) groups, metabolic activity in the amygdala, spleen, aorta, bone marrow of thoracic vertebrae, and adjacent erector spinae skeletal muscle was quantified through visualization of radioactive glucose (18 FDG) uptake by FDG-PET/CT. The maximum standardized uptake value for each region was calculated for correlation analyses and comparisons between groups. In correlation analyses, metabolic activity of the amygdala correlated with metabolic activity in the aorta (r = 0.757), bone marrow (r = 0.750), and spleen (r = 0.665), respectively. Metabolic activity in the aorta correlated with 18 FDG uptake in the thoracic vertebrae (r = 0.703) and spleen (r = 0.594), respectively. Metabolic activity in the spleen also correlated with 18 FDG uptake in the bone marrow (r = 0.620). Metabolic activity in the adjacent erector spinae skeletal muscle (our control tissue) was not positively correlated with any other region of interest. Finally, there were no statistically significant mean differences in metabolic activity between the three groups: nonsmokers, electronic cigarette users, and smokers in any target tissue. Amygdala metabolic activity, as measured by 18 FDG uptake in FDG-PET/CT scans, positively correlated with inflammation in the splenocardiac tissues, including: the aorta, bone marrow, and spleen, underscoring the existence of a neural-hematopoietic-inflammatory axis in healthy, young adults.
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Affiliation(s)
- Isabelle Ruedisueli
- Division of Cardiology, Department of MedicineDavid Geffen School of Medicine at UCLALos AngelesCaliforniaUSA
| | - Sara Arastoo
- Department of Anesthesiology and Perioperative MedicineDavid Geffen School of Medicine at UCLALos AngelesCaliforniaUSA
| | - Pawan K. Gupta
- Department of Molecular and Medical PharmacologyDavid Geffen School of Medicine at UCLALos AngelesCaliforniaUSA
| | - Jeffrey Gornbein
- Departments of Medicine and Computational MedicineDavid Geffen School of Medicine at UCLALos AngelesCaliforniaUSA
| | - Holly R. Middlekauff
- Division of Cardiology, Department of MedicineDavid Geffen School of Medicine at UCLALos AngelesCaliforniaUSA
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Effect Comparison of E-Cigarette and Traditional Smoking and Association with Stroke-A Cross-Sectional Study of NHANES. Neurol Int 2022; 14:441-452. [PMID: 35736618 PMCID: PMC9227824 DOI: 10.3390/neurolint14020037] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 05/19/2022] [Accepted: 05/23/2022] [Indexed: 12/22/2022] Open
Abstract
Introduction: Tobacco use is one of the most significant risk factors for stroke. Besides traditional cigarettes and combustible products, the use of e-cigarettes and electronic nicotine delivery products has been widespread among young adults in the recent era. Furthermore, the trend of vaping has increased over the last decade. However, the relationship between e-cigarettes and stroke is largely unknown. The aim of this study was to evaluate the prevalence and identify the relationship between e-cigarette smoking and stroke. Methods: A cross-sectional study was performed using the NHANES database of the US population. Adults with a history of smoking were considered in our study and divided into three groups, e-cigarette users, traditional, and dual smokers. The Chi-squared test, Wilcoxon rank-sum test, and multivariable logistic regression analysis were used to identify the prevalence and association of e-cigarette consumption and stroke. Results: Out of a total of 266,058 respondents from 2015 to 2018, we found 79,825 respondents who smoked e-cigarettes (9.72%) or traditional (29.37%) or dual smoking (60.91%). Stroke prevalence among e-cigarette smokers was 1.57%. Stroke was more prevalent among traditional smokers than among e-cigarette smokers. (6.75% vs. 1.09%; p < 0.0001) E-cigarette smokers had early onset of stroke in comparison with traditional smokers. (median age: 48 vs. 59 years; p < 0.0001). Among females with stroke, the prevalence of e-cigarette use was higher in comparison with traditional smoking (36.36% vs. 33.91%; p < 0.0001). Among the stroke population, the prevalence of e-cigarette use was higher among Mexican-Americans (21.21% vs. 6.02%) and other Hispanics (24.24% vs. 7.70%) compared with traditional smoking (p < 0.0001). The regression analysis found higher odds of stroke history among e-cigarette users than traditional smokers [aOR: 1.15; 95% CI: 1.15−1.16)]. Conclusion: Though stroke was more prevalent in traditional smokers, the incidence of stroke was early-in-onset and was strongly associated with e-cigarette use compared to traditional smokers. We have also identified vascular effects of e-cigarettes components as possible triggers for the stroke.
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Lyzwinski LN, Naslund JA, Miller CJ, Eisenberg MJ. Global youth vaping and respiratory health: epidemiology, interventions, and policies. NPJ Prim Care Respir Med 2022; 32:14. [PMID: 35410990 PMCID: PMC9001701 DOI: 10.1038/s41533-022-00277-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 02/17/2022] [Indexed: 01/02/2023] Open
Abstract
AbstractE-cigarette usage (also known as e-cigarettes or vaping products) has increasingly been recognized as a global public health problem. One challenge in particular involves their marketing to minors (teenagers and children) and the rising prevalence of use in this population. E-cigarettes unnecessarily expose minors to health risks, these include respiratory health problems, such as exacerbations of asthma, bronchitis, and respiratory-tract irritation. Nicotine, commonly found in e-cigarettes, is also associated with cognitive impairment and neurodevelopmental problems. E-cigarettes are also risk factors for downstream substance use, including cigarettes and cannabis initiation (the gateway hypothesis), which compounds health risks in dual users. Current public health preventative and intervention studies are limited, and there is a clear need for more interventions that may prevent usage and assist with cessation in this vulnerable population. Physician education and screening uptake should also be enhanced. Stricter public health policy and protection measures are also needed on a global scale to limit e-cigarette exposure in minors.
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Espinoza-Derout J, Shao XM, Lao CJ, Hasan KM, Rivera JC, Jordan MC, Echeverria V, Roos KP, Sinha-Hikim AP, Friedman TC. Electronic Cigarette Use and the Risk of Cardiovascular Diseases. Front Cardiovasc Med 2022; 9:879726. [PMID: 35463745 PMCID: PMC9021536 DOI: 10.3389/fcvm.2022.879726] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 03/11/2022] [Indexed: 12/12/2022] Open
Abstract
Electronic cigarettes or e-cigarettes are the most frequently used tobacco product among adolescents. Despite the widespread use of e-cigarettes and the known detrimental cardiac consequences of nicotine, the effects of e-cigarettes on the cardiovascular system are not well-known. Several in vitro and in vivo studies delineating the mechanisms of the impact of e-cigarettes on the cardiovascular system have been published. These include mechanisms associated with nicotine or other components of the aerosol or thermal degradation products of e-cigarettes. The increased hyperlipidemia, sympathetic dominance, endothelial dysfunction, DNA damage, and macrophage activation are prominent effects of e-cigarettes. Additionally, oxidative stress and inflammation are unifying mechanisms at many levels of the cardiovascular impairment induced by e-cigarette exposure. This review outlines the contribution of e-cigarettes in the development of cardiovascular diseases and their molecular underpinnings.
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Affiliation(s)
- Jorge Espinoza-Derout
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, CA, United States
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Xuesi M. Shao
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, CA, United States
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Candice J. Lao
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, CA, United States
| | - Kamrul M. Hasan
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, CA, United States
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Juan Carlos Rivera
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, CA, United States
| | - Maria C. Jordan
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Valentina Echeverria
- Research and Development Service, Bay Pines VA Healthcare System, Bay Pines, FL, United States
- Laboratorio de Neurobiología, Facultad de Ciencias de la Salud, Universidad San Sebastián, Concepción, Chile
| | - Kenneth P. Roos
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Amiya P. Sinha-Hikim
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, CA, United States
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Theodore C. Friedman
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, CA, United States
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
- Friends Research Institute, Cerritos, CA, United States
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11
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Aslaner O. Comparison of Oxidative Effects of Electronic Cigarette and Tobacco Smoke Exposure Performed Experimentally. Eur Addict Res 2022; 28:41-47. [PMID: 34515107 DOI: 10.1159/000518204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 06/30/2021] [Indexed: 11/19/2022]
Abstract
OBJECTIVE Cigarette smoking is a life-threatening habit that has rapidly spread in every socioeconomic part of the public worldwide. There exist mechanisms of nicotine delivery available to use in the hope of halting cigarette smoking, and the electronic cigarette (EC) is one of the common methods used for tobacco smoking replacement. This study aimed to investigate experimentally the oxidative effects of tobacco smoke and EC smoke which contain nicotine. METHOD We constructed smoke circuit rooms for exposing the rats to EC or tobacco smoke. Three groups were created, the control group (N = 8); the electronic cigarette group (N = 8), exposure to electronic cigarette smoke for 2 h per day; and the tobacco group (N = 8), exposure to traditional cigarette smoke for 2 h per day. After the first and second week of exposure, blood samples were obtained, and serum oxidative stress index (OSI), paraoxonase 1 (PON1) activity, and prolidase levels were evaluated. RESULTS Higher values of OSI and prolidase levels were detected in the first week of EC or tobacco smoke exposure in both study groups (p < 0.001) when compared with the control group, and partial decrements were observed in the second week. By contrast, elevated PON1 levels were observed in the second week after EC or tobacco smoke exposure. The highest OSI levels were observed in the tobacco smoke group (p < 0.001). The lowest values of PON1 levels were detected in the first week of the electronic cigarette smoke group, and this decremental value was statistically different than normal, the second week of the electronic cigarette smoke group, the first week of the traditional cigarette smoke exposure group, and the second week of the traditional cigarette smoke exposure group values (p < 0.000). CONCLUSION Our results indicate that EC smoke induced oxidative stress. Therefore, ECs are potentially risky for human health and can lead to important health problems.
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Affiliation(s)
- Oktay Aslaner
- Department of Thoracic Surgery, Medical Faculty, Alanya Alaaddin Keykubat Univercity, Antalya, Turkey
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12
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Snoderly HT, Nurkiewicz TR, Bowdridge EC, Bennewitz MF. E-Cigarette Use: Device Market, Study Design, and Emerging Evidence of Biological Consequences. Int J Mol Sci 2021; 22:12452. [PMID: 34830344 PMCID: PMC8619996 DOI: 10.3390/ijms222212452] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/12/2021] [Accepted: 11/16/2021] [Indexed: 12/12/2022] Open
Abstract
Electronic cigarettes are frequently viewed as a safer alternative to conventional cigarettes; however, evidence to support this perspective has not materialized. Indeed, the current literature reports that electronic cigarette use is associated with both acute lung injury and subclinical dysfunction to the lung and vasculature that may result in pathology following chronic use. E-cigarettes can alter vascular dynamics, polarize innate immune populations towards a proinflammatory state, compromise barrier function in the pulmonary endothelium and epithelium, and promote pre-oncogenic phenomena. This review will summarize the variety of e-cigarette products available to users, discuss current challenges in e-cigarette study design, outline the range of pathologies occurring in cases of e-cigarette associated acute lung injury, highlight disease supporting tissue- and cellular-level changes resulting from e-cigarette exposure, and briefly examine how these changes may promote tumorigenesis. Continued research of the mechanisms by which e-cigarettes induce pathology benefit users and clinicians by resulting in increased regulation of vaping devices, informing treatments for emerging diseases e-cigarettes produce, and increasing public awareness to reduce e-cigarette use and the onset of preventable disease.
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Affiliation(s)
- Hunter T. Snoderly
- Department of Chemical and Biomedical Engineering, Benjamin M. Statler College of Engineering and Mineral Resources, West Virginia University, Morgantown, WV 26506, USA;
- Center for Inhalation Toxicology, School of Medicine, West Virginia University, Morgantown, WV 26506, USA; (T.R.N.); (E.C.B.)
| | - Timothy R. Nurkiewicz
- Center for Inhalation Toxicology, School of Medicine, West Virginia University, Morgantown, WV 26506, USA; (T.R.N.); (E.C.B.)
- Department of Physiology and Pharmacology, School of Medicine, West Virginia University, Morgantown, WV 26506, USA
| | - Elizabeth C. Bowdridge
- Center for Inhalation Toxicology, School of Medicine, West Virginia University, Morgantown, WV 26506, USA; (T.R.N.); (E.C.B.)
- Department of Physiology and Pharmacology, School of Medicine, West Virginia University, Morgantown, WV 26506, USA
| | - Margaret F. Bennewitz
- Department of Chemical and Biomedical Engineering, Benjamin M. Statler College of Engineering and Mineral Resources, West Virginia University, Morgantown, WV 26506, USA;
- Center for Inhalation Toxicology, School of Medicine, West Virginia University, Morgantown, WV 26506, USA; (T.R.N.); (E.C.B.)
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13
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Gupta R, Lin Y, Luna K, Logue A, Yoon AJ, Haptonstall KP, Moheimani R, Choroomi Y, Nguyen K, Tran E, Zhu Y, Faull KF, Kelesidis T, Gornbein J, Middlekauff HR, Araujo JA. Electronic and Tobacco Cigarettes Alter Polyunsaturated Fatty Acids and Oxidative Biomarkers. Circ Res 2021; 129:514-526. [PMID: 34187173 PMCID: PMC8376792 DOI: 10.1161/circresaha.120.317828] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
[Figure: see text].
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Affiliation(s)
- Rajat Gupta
- Division of Cardiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California,Molecular Toxicology Interdepartmental Program, University of California Los Angeles, Los Angeles, California
| | - Yan Lin
- Department of Environmental Health Sciences, Fielding School of Public Health, University of California Los Angeles, Los Angeles, California
| | - Karla Luna
- Division of Cardiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California,Department of Biology, College of Science and Math, California State University, Northridge, California
| | - Anjali Logue
- Division of Cardiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Alexander J. Yoon
- Pasarow Mass Spectrometry Laboratory, Jane and Terry Semel Institute for Neuroscience & Human Behavior and Department of Psychiatry & Biobehavioral Sciences, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, California
| | - Kacey P. Haptonstall
- Division of Cardiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Roya Moheimani
- Division of Cardiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Yasmine Choroomi
- Division of Cardiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Kevin Nguyen
- Division of Cardiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Elizabeth Tran
- Division of Cardiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Yifang Zhu
- Department of Environmental Health Sciences, Fielding School of Public Health, University of California Los Angeles, Los Angeles, California
| | - Kym F. Faull
- Pasarow Mass Spectrometry Laboratory, Jane and Terry Semel Institute for Neuroscience & Human Behavior and Department of Psychiatry & Biobehavioral Sciences, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, California,Molecular Biology Institute, University of California Los Angeles, Los Angeles, California
| | - Theodoros Kelesidis
- Division of Infectious Diseases, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Jeffrey Gornbein
- Departments of Medicine and Computational Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Holly R. Middlekauff
- Division of Cardiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Jesus A. Araujo
- Division of Cardiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California,Molecular Toxicology Interdepartmental Program, University of California Los Angeles, Los Angeles, California,Department of Environmental Health Sciences, Fielding School of Public Health, University of California Los Angeles, Los Angeles, California,Molecular Biology Institute, University of California Los Angeles, Los Angeles, California
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14
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Amirahmadi R, Childress J, Patel S, Wagner LA. Electric cigarette-related lung injury and cardiovascular insult. BMJ Case Rep 2021; 14:e238352. [PMID: 33674290 PMCID: PMC7939015 DOI: 10.1136/bcr-2020-238352] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/19/2021] [Indexed: 11/03/2022] Open
Abstract
The cardiovascular effects of electronic cigarette use are unknown. Here we present a case describing a young, previously healthy patient without prior cardiopulmonary comorbidities who developed severe, acute cardiac dysfunction in the setting of e-cigarette use, in addition to the more commonly encountered respiratory symptoms. While pulmonary manifestations are characteristic of e-cigarette or vaping product use-associated lung injury (EVALI), the acute and reversible cardiomyopathy seen here has not been previously described in association with either EVALI or e-cigarette use.
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Affiliation(s)
- Roxana Amirahmadi
- Internal Medicine, University of Maryland Medical Center, Baltimore, Maryland, USA
| | - James Childress
- Internal Medicine, University of Maryland Medical Center, Baltimore, Maryland, USA
| | - Sonika Patel
- Internal Medicine, University of Maryland Medical Center, Baltimore, Maryland, USA
| | - Lee-Ann Wagner
- Internal Medicine, University of Maryland Medical Center, Baltimore, Maryland, USA
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15
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Shahandeh N, Chowdhary H, Middlekauff HR. Vaping and cardiac disease. Heart 2021; 107:1530-1535. [PMID: 33574049 DOI: 10.1136/heartjnl-2020-318150] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/29/2021] [Accepted: 02/01/2021] [Indexed: 01/18/2023] Open
Abstract
Tobacco cigarette smoking is the most prevalent reversible risk factor for cardiovascular disease in the USA. Electronic cigarettes, invented as an alternative nicotine source for smokers unable or unwilling to stop smoking, have gained skyrocketing popularity, but their cardiovascular risk remains uncertain. Although data recently analysed in a Cochran report do support their superior effectiveness to other forms of nicotine replacement therapies for smoking cessation, electronic cigarettes are also frequently used by non-smokers-especially high school students. There are no long-term outcome studies on the cardiovascular risk of vaping electronic cigarettes, but the effects of electronic cigarettes on known risk factors for cardiovascular disease, including neurohumoural activation, oxidative stress and inflammation, endothelial function and thrombosis, have been studied. In this review, we summarise evidence in humans that supports the notion that while electronic cigarettes may be less harmful than traditional cigarettes, they are not harmless. Additionally, the increasing popularity of vaping marijuana with its unknown cardiovascular risks as well as the outbreak in 2019 of EVALI (electronic cigarette, or vaping, product use-associated lung injury) related to bootlegged vaping products raise further concerns. Before physicians can confidently advise their smoking patients about the role of electronic cigarettes as a means of smoking cessation to lower cardiovascular risk, improved regulation and quality control is necessary.
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Affiliation(s)
- Negeen Shahandeh
- Division of Cardiology, UCLA Medical School, Los Angeles, California, USA
| | - Harshika Chowdhary
- Division of Cardiology, UCLA Medical School, Los Angeles, California, USA
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16
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Nayeri A, Middlekauff H. Vaping Instead of Cigarette Smoking: A Panacea or Just Another Form of Cardiovascular Risk? Can J Cardiol 2020; 37:690-698. [PMID: 33338608 DOI: 10.1016/j.cjca.2020.12.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/26/2020] [Accepted: 12/08/2020] [Indexed: 12/26/2022] Open
Abstract
Since 2007, the electronic cigarette (EC), with its increasingly diverse array of device options, has gained popularity both among long-term tobacco cigarette (TC) smokers and among never-smoking youth. The absence of a number of known toxic by-products of TC smoking has helped cultivate the perception that ECs are healthy. However, an expanding literature has provided concerning evidence that a number of EC constituents, including nicotine, and their thermal degradation by-products may have adverse effects, including cardiovascular effects. In this review, we discuss the cardiovascular risks associated with EC vaping and compare this risk profile with TC smoking. Acknowledging the dynamic nature of EC vaping, we will focus on the latest developments, including the introduction of the pod-like device, which is the most popular EC device used today. We discuss the implications of a new, unique, nicotine chemistry that mimics the efficient and addictive nicotine delivery of TCs. Furthermore, we touch on the outbreak of the lethal lung disease associated with ECs, which exposed the lack of quality control in the EC industry. Along the way, we will identify the limitations of current knowledge and provide suggestions for future research. Overall, we conclude that although ECs may once have held promise as part of a harm-reduction strategy in people who smoke lethal TCs, this role has been largely offset by the unconscionable marketing to our youth, in addition to a failure of regulation and enforcement, leading to significant harm, especially in never-smokers who use them.
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Affiliation(s)
- Arash Nayeri
- Department of Medicine, Division of Cardiology, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Holly Middlekauff
- Department of Medicine, Division of Cardiology, David Geffen School of Medicine at UCLA, Los Angeles, California, USA.
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17
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Benowitz NL, St Helen G, Nardone N, Addo N, Zhang JJ, Harvanko AM, Calfee CS, Jacob P. Twenty-Four-Hour Cardiovascular Effects of Electronic Cigarettes Compared With Cigarette Smoking in Dual Users. J Am Heart Assoc 2020; 9:e017317. [PMID: 33208019 PMCID: PMC7763797 DOI: 10.1161/jaha.120.017317] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Cardiovascular safety is an important consideration regarding the benefits versus risks of electronic cigarette use (EC) for public health. The single‐use cardiovascular effects of EC have been well studied but may not reflect effects of ad libitum use throughout the day. We aimed to compare the circadian hemodynamic effects as well as 24‐hour biomarkers of oxidative stress, and platelet aggregation and inflammation, with ad libitum cigarette smoking (CS) versus EC versus no tobacco product use. Methods and Results Thirty‐six healthy dual CS and EC users participated in a crossover study in a confined research setting. Circadian heart rate, blood pressure and plasma nicotine levels, 24‐hour urinary catecholamines, 8‐isoprostane and 11‐dehydro‐thromboxane B2, and plasma interleukin‐6 and interleukin‐8 were compared in CS, EC, and no nicotine conditions. Over 24 hours, and during daytime, heart rate and blood pressure were higher in CS and EC compared with no tobacco product conditions (P<0.01). Heart rate on average was higher with CS versus EC. Urinary catecholamines, 8‐isoprostane, and 11‐dehydro‐thromboxane B2 were not significantly different, but plasma IL‐6 and IL‐8 were higher with both CS and EC compared with no tobacco product (P<0.01). Conclusions CS and EC had similar 24‐hour patterns of hemodynamic effects compared with no tobacco product, with a higher average heart rate with CS versus EC, and similar effects on biomarkers of inflammation. EC may pose some cardiovascular risk, particularly to smokers with underlying cardiovascular disease, but may also provide a harm reduction opportunity for smokers willing to switch entirely to EC. Registration URL: https://www.clinicaltrials.gov; Unique Identifier: NCT02470754.
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Affiliation(s)
- Neal L Benowitz
- Clinical Pharmacology Research Program Division of Cardiology Department of Medicine University of California San Francisco CA.,Center for Tobacco Control Research and Education University of California San Francisco CA.,Tobacco Center of Regulatory Science University of California San Francisco CA
| | - Gideon St Helen
- Clinical Pharmacology Research Program Division of Cardiology Department of Medicine University of California San Francisco CA.,Center for Tobacco Control Research and Education University of California San Francisco CA.,Tobacco Center of Regulatory Science University of California San Francisco CA
| | - Natalie Nardone
- Clinical Pharmacology Research Program Division of Cardiology Department of Medicine University of California San Francisco CA
| | - Newton Addo
- Clinical Pharmacology Research Program Division of Cardiology Department of Medicine University of California San Francisco CA
| | - Junfeng Jim Zhang
- Global Health Institute & Nicholas School of the Environment Duke University Durham NC.,Duke Cancer Institute Duke University Durham NC
| | - Arit M Harvanko
- Clinical Pharmacology Research Program Division of Cardiology Department of Medicine University of California San Francisco CA.,Center for Tobacco Control Research and Education University of California San Francisco CA.,Tobacco Center of Regulatory Science University of California San Francisco CA
| | - Carolyn S Calfee
- Division of Pulmonary Critical Care Allergy and Sleep Medicine Department of Medicine University of California San Francisco CA.,Department of Anaesthesia University of California San Francisco CA
| | - Peyton Jacob
- Clinical Pharmacology Research Program Division of Cardiology Department of Medicine University of California San Francisco CA.,Center for Tobacco Control Research and Education University of California San Francisco CA.,Tobacco Center of Regulatory Science University of California San Francisco CA.,Department of Psychiatry University of California San Francisco CA
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18
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Affiliation(s)
- Holly R Middlekauff
- Department of Medicine, Division of Cardiology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA.
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19
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Buchanan ND, Grimmer JA, Tanwar V, Schwieterman N, Mohler PJ, Wold LE. Cardiovascular risk of electronic cigarettes: a review of preclinical and clinical studies. Cardiovasc Res 2020; 116:40-50. [PMID: 31696222 DOI: 10.1093/cvr/cvz256] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 08/08/2019] [Accepted: 10/04/2019] [Indexed: 12/13/2022] Open
Abstract
Cigarette smoking is the most preventable risk factor related to cardiovascular morbidity and mortality. Tobacco usage has declined in recent years; however, the use of alternative nicotine delivery methods, particularly e-cigarettes, has increased exponentially despite limited data on their short- and long-term safety and efficacy. Due to their unique properties, the impact of e-cigarettes on cardiovascular physiology is not fully known. Here, we summarize both preclinical and clinical data extracted from short- and long-term studies on the cardiovascular effects of e-cigarette use. Current findings support that e-cigarettes are not a harm-free alternative to tobacco smoke. However, the data are primarily derived from acute studies. The impact of chronic e-cigarette exposure is essentially unstudied. To explore the uniqueness of e-cigarettes, we contemplate the cardiovascular effects of individual e-cigarette constituents. Overall, data suggest that exposure to e-cigarettes could be a potential cardiovascular health concern. Further preclinical research and randomized trials are needed to expand basic and clinical investigations before considering e-cigarettes safe alternatives to conventional cigarettes.
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Affiliation(s)
- Nicholas D Buchanan
- Dorothy M. Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, 473 W. 12th Avenue, Columbus, OH 43210, USA.,College of Nursing, The Ohio State University, Columbus, OH, USA
| | - Jacob A Grimmer
- Dorothy M. Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, 473 W. 12th Avenue, Columbus, OH 43210, USA.,College of Nursing, The Ohio State University, Columbus, OH, USA
| | - Vineeta Tanwar
- Dorothy M. Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, 473 W. 12th Avenue, Columbus, OH 43210, USA.,College of Nursing, The Ohio State University, Columbus, OH, USA
| | - Neill Schwieterman
- Dorothy M. Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, 473 W. 12th Avenue, Columbus, OH 43210, USA.,College of Nursing, The Ohio State University, Columbus, OH, USA
| | - Peter J Mohler
- Dorothy M. Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, 473 W. 12th Avenue, Columbus, OH 43210, USA.,Department of Physiology and Cell Biology, The Ohio State University College of Medicine and Wexner Medical Center, Columbus, OH, USA
| | - Loren E Wold
- Dorothy M. Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, 473 W. 12th Avenue, Columbus, OH 43210, USA.,College of Nursing, The Ohio State University, Columbus, OH, USA.,Department of Physiology and Cell Biology, The Ohio State University College of Medicine and Wexner Medical Center, Columbus, OH, USA
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20
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Middlekauff HR. Cardiovascular impact of electronic-cigarette use. Trends Cardiovasc Med 2020; 30:133-140. [DOI: 10.1016/j.tcm.2019.04.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 03/25/2019] [Accepted: 04/13/2019] [Indexed: 01/01/2023]
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21
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Parekh T, Pemmasani S, Desai R. Risk of Stroke With E-Cigarette and Combustible Cigarette Use in Young Adults. Am J Prev Med 2020; 58:446-452. [PMID: 31924460 DOI: 10.1016/j.amepre.2019.10.008] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 10/15/2019] [Accepted: 10/16/2019] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Rising trends in stroke incidence and hospitalizations because of combustible cigarette smoking have been noted among younger adults. However, the association between e-cigarette use and stroke in this population remains largely unknown. This study examines the association between e-cigarette use with or without a history of previous or concurrent combustible cigarette use and stroke among young adults. METHODS Pooled data (2016-2017) were analyzed from the Behavior Risk Factor Surveillance System, a nationally representative, cross-sectional telephone survey, in 2019. The sample size was 161,529 participants aged 18-44 years. The association between e-cigarette use and stroke was examined using logistic regression adjusting for patient demographics, relevant comorbidities without or with history, and concurrent use of combustible cigarette use. RESULTS Current dual use of e-cigarettes and combustible cigarettes was associated with 2.91 times higher odds of stroke versus nonsmokers (AOR=2.91, 95% CI=1.62, 5.25) and 1.83 times higher odds versus current sole combustible cigarette users (AOR=1.83, 95% CI=1.06, 3.17). Compared with nonsmokers, current sole e-cigarette users did not show significantly different odds of stroke (AOR=0.69, 95% CI=0.34, 1.42). However, odds of stroke were lower for sole e-cigarette users versus current sole combustible cigarette users (AOR=0.43, 95% CI=0.20, 0.93). CONCLUSIONS Sole e-cigarette use is not associated with greater odds of stroke in young adults. However, if young adults have former or current combustible cigarette use, odds of stroke are significantly increased even compared with current sole combustible cigarette use. Switching from combustible cigarettes to e-cigarettes does not confer stroke benefits.
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Affiliation(s)
- Tarang Parekh
- Department of Health Administration and Policy, George Mason University, Fairfax, Virginia.
| | | | - Rupak Desai
- Division of Cardiology, Atlanta VA Medical Center, Decatur, Georgia
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22
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D'Amario D, Migliaro S, Borovac JA, Vergallo R, Galli M, Restivo A, Bonini M, Romagnoli E, Leone AM, Crea F. Electronic Cigarettes and Cardiovascular Risk: Caution Waiting for Evidence. Eur Cardiol 2019; 14:151-158. [PMID: 31933682 PMCID: PMC6950284 DOI: 10.15420/ecr.2019.16.2] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 05/29/2019] [Indexed: 12/30/2022] Open
Abstract
Electronic cigarettes use is a growing trend in contemporary societies, with the propensity to compete with traditional tobacco smoking. Some preclinical studies demonstrated the toxic and detrimental effects of electronic cigarettes liquid components. Its impact on human health remains unknown and insufficiently studied. While some studies suggest that electronic cigarettes use might be associated with endothelial dysfunction, impaired platelet function and increased risk of adverse clinical events, other studies did not confirm these findings and epidemiological data mostly suggest that the use of electronic cigarettes appears to be safer than that of traditional tobacco cigarettes. This article provides an up-to-date overview of the current state of knowledge regarding electronic cigarettes and their impact on human health, with special emphasis on their effect on cardiovascular diseases.
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Affiliation(s)
- Domenico D'Amario
- Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A Gemelli IRCCS Rome, Italy
| | - Stefano Migliaro
- Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A Gemelli IRCCS Rome, Italy
| | - Josip Andjelo Borovac
- Department of Pathophysiology, University Hospital of Split Split, Croatia.,Department of Cardiology, University Hospital of Split Split, Croatia
| | - Rocco Vergallo
- Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A Gemelli IRCCS Rome, Italy
| | - Mattia Galli
- Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A Gemelli IRCCS Rome, Italy
| | - Attilio Restivo
- Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A Gemelli IRCCS Rome, Italy
| | - Matteo Bonini
- Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A Gemelli IRCCS Rome, Italy
| | - Enrico Romagnoli
- Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A Gemelli IRCCS Rome, Italy
| | - Antonio Maria Leone
- Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A Gemelli IRCCS Rome, Italy
| | - Filippo Crea
- Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A Gemelli IRCCS Rome, Italy
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Verhaegen A, Van Gaal L. Vaping and Cardiovascular Health: the Case for Health Policy Action. CURRENT CARDIOVASCULAR RISK REPORTS 2019. [DOI: 10.1007/s12170-019-0634-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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24
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MacDonald A, Middlekauff HR. Electronic cigarettes and cardiovascular health: what do we know so far? Vasc Health Risk Manag 2019; 15:159-174. [PMID: 31417268 PMCID: PMC6592370 DOI: 10.2147/vhrm.s175970] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Accepted: 04/29/2019] [Indexed: 12/16/2022] Open
Abstract
While tobacco cigarette (TC) smoking has continued to drop to all-time lows, the use of electronic cigarettes (ECs), introduced in the US in 2007, has been rising dramatically, especially among youth. In EC emissions, nicotine is the major biologically active element, while levels of carcinogens and harmful combustion products that typify TC smoke are very low or even undetectable. TCs cause cardiovascular harm by activation of inflammatory pathways and oxidative damage, leading to atherogenesis and thrombosis, as well as through sympathetic activation triggering ischemia and arrhythmia. While ECs are generally believed to be safer than TCs, there remain many uncertainties regarding the overall cardiovascular health effects of EC usage. In this review, we discuss the various components of EC smoke and review the potential mechanisms of cardiovascular injury caused by EC use. We also discuss the controversy regarding the increasing epidemic of youth EC use weighed against the use of ECs as a smoking-cessation aid.
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Affiliation(s)
- Andrea MacDonald
- Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Holly R Middlekauff
- Department of Medicine, Division of Cardiology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
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25
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Ding Y, Klomparens E. Potential health risks of long-term e-cigarette use. ENVIRONMENTAL DISEASE 2019. [DOI: 10.4103/ed.ed_10_19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Boas Z, Gupta P, Moheimani RS, Bhetraratana M, Yin F, Peters KM, Gornbein J, Araujo JA, Czernin J, Middlekauff HR. Activation of the "Splenocardiac Axis" by electronic and tobacco cigarettes in otherwise healthy young adults. Physiol Rep 2018; 5:5/17/e13393. [PMID: 28899908 PMCID: PMC5599858 DOI: 10.14814/phy2.13393] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 07/25/2017] [Accepted: 07/27/2017] [Indexed: 02/03/2023] Open
Abstract
The "Splenocardiac Axis" describes an inflammatory signaling network underlying acute cardiac ischemia, characterized by sympathetic nerve stimulation of hematopoietic tissues, such as the bone marrow and spleen, which then release proinflammatory monocytes that populate atherosclerotic plaques, thereby promoting ischemic heart disease. Electronic (e) cigarettes, like tobacco cigarettes trigger sympathetic nerve activation, but virtually nothing is known about their influence on hematopoietic and vascular tissues and cardiovascular risks. The objective of this study was to determine if the Splenocardiac Axis is activated in young adults who habitually use either tobacco or e-cigarettes. In otherwise healthy humans who habitually use tobacco cigarettes or e-cigarettes (not both), we used 18F-flurorodeoxyglucose positron emission tomography/computer tomography (FDG-PET/CT) to test the hypothesis that tobacco or e-cigarettes increased metabolic activity of the hematopoietic and vascular tissues. FDG uptake in the spleen increased from nonuser controls (1.62 ± 0.07), to the e-cigarette users (1.73 ± 0.04), and was highest in tobacco cigarette smokers (1.82 ± 0.09; monotone P = 0.05). Similarly, FDG uptake in the aorta increased from the nonuser controls (1.87 ± 0.07) to the e-cigarette users (1.98 ± 0.07), and was highest in tobacco cigarette smokers (2.10 ± 0.07; monotone P = 0.04). FDG uptake in the skeletal muscle, which served as a control tissue, was not different between the groups. In conclusion, these findings are consistent with activation of the Splenocardiac Axis by emissions from tobacco cigarettes and e-cigarettes. This activation suggests a mechanism by which tobacco cigarettes, and potentially e-cigarettes, may lead to increased risk of future cardiovascular events.
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Affiliation(s)
- Zachary Boas
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California
| | - Pawan Gupta
- Department of Molecular and Medical Pharmacology, Ahmanson Translational Imaging Division, David Geffen School of Medicine at UCLA, Los Angeles, California
| | - Roya S Moheimani
- David Geffen School of Medicine at UCLA, Los Angeles, California
| | - May Bhetraratana
- Department of Environmental Health Sciences, School of Public Health, Los Angeles, California
| | - Fen Yin
- Department of Environmental Health Sciences, School of Public Health, Los Angeles, California
| | - Kacey M Peters
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California
| | - Jeffrey Gornbein
- Department of Biomathematics, David Geffen School of Medicine at UCLA, Los Angeles, California
| | - Jesus A Araujo
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California.,Department of Environmental Health Sciences, School of Public Health, Los Angeles, California
| | - Johannes Czernin
- Department of Molecular and Medical Pharmacology, Ahmanson Translational Imaging Division, David Geffen School of Medicine at UCLA, Los Angeles, California
| | - Holly R Middlekauff
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California
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