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exhaled carbon monoxide

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https://www.readbyqxmd.com/read/28527680/sensitivity-of-salivary-hydrogen-sulfide-to-psychological-stress-and-its-association-with-exhaled-nitric-oxide-and-affect
#1
Juliet L Kroll, Chelsey A Werchan, Audrey G Reeves, Kevin J Bruemmer, Alexander R Lippert, Thomas Ritz
BACKGROUND: Hydrogen sulfide (H2S) is the third gasotransmitter recently discovered after nitric oxide (NO) and carbon monoxide. Both NO and H2S are involved in multiple physiological functions. Whereas NO has been shown to vary with psychological stress, the influence of stress on H2S and the relationship between H2S and NO are unknown. We therefore examined levels of salivary H2S and NO in response to a stressful final academic exam period. METHODS: Measurements of stress, negative affect, and fraction of exhaled NO (FENO), were obtained from students (N=16) and saliva was collected at three time points: low-stress period in the semester, early exam period, and late exam period...
May 17, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28442373/nasal-mucociliary-transportability-of-male-and-female-smokers
#2
Juliana Souza Uzeloto, Dionei Ramos, Ana Paula C F Freire, Diego G D Christofaro, Ercy M C Ramos
INTRODUCTION: Female smoker's present increased susceptibility to several diseases when compared to the opposite gender. However, there are no studies showing differences in nasal mucociliary transport behavior between male and female smokers. OBJECTIVE: To compare the nasal mucociliary transportability in male and female smokers and non-smokers, taking into consideration age, anthropometric data, smoking load and pulmonary function. METHODS: The analysis included 139 individuals (33 men and 37 women smokers and 32 men and 37 women non-smokers)...
April 8, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28440601/measurement-of-exhaled-breath-carbon-monoxide-in-clinical-practice-a-study-of-levels-in-central-pennsylvania-community-members
#3
Shari Hrabovsky, Jessica M Yingst, Susan Veldheer, Erin Hammett, Jonathan Foulds
BACKGROUND AND PURPOSE: Exhaled breath carbon monoxide (eBCO) reading is a useful tool for nurse practitioners to evaluate smoking status and other exposures to carbon monoxide (CO) to identify risk for cancer and chronic disease. This study aimed to measure one community's eBCO and identify potential environmental factors that may affect eBCO among nonsmokers. METHODS: Data collected by convenience sampling at community health events included self-reported tobacco use and potential CO exposure...
April 25, 2017: Journal of the American Association of Nurse Practitioners
https://www.readbyqxmd.com/read/28429240/clinical-setting-based-smoking-cessation-programme-and-the-quality-of-life-in-people-living-with-hiv-in-austria-and-germany
#4
Igor Grabovac, Helmut Brath, Horst Schalk, Olaf Degen, Thomas E Dorner
PURPOSE: To report on the global quality of life (QOL) in people living with HIV (PLWHIV) and how a smoking cessation intervention influences the changes in QOL. METHODS: Participants were asked to fill out a questionnaire during visits to their HIV outpatient clinic consisting of sociodemographic information, general health data and the WHOQOL HIV-Bref. Exhaled carbon monoxide measurements were used to confirm the smoking status, based on which participants classified as smokers received a short 5 min structured intervention and were offered participation in a full smoking cessation programme consisting of five sessions...
April 20, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28415983/exhaled-carbon-monoxide-a-non-invasive-biomarker-of-short-term-exposure-to-outdoor-air-pollution
#5
Herve Lawin, Lucie Ayi Fanou, Vikkey Hinson, Jacqueline Wanjiku, N Kingsley Ukwaja, Stephen B Gordon, Benjamin Fayomi, John R Balmes, Parfait Houngbegnon, Euripide Avokpaho, Ambaliou Sanni
BACKGROUND: In urban settings of Africa with rapidly increasing population, traffic-related air pollution is a major contributor to outdoor air pollution (OAP). Although OAP has been identified as a leading cause of global morbidity and mortality, there is however, lack of a simple biomarker to assess levels of exposure to OAP in resource-poor settings. This study evaluated the role of exhaled carbon monoxide (exhCO) as a potential biomarker of exposure to ambient carbon monoxide (ambCO) from OAP...
April 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28408655/military-small-arms-fire-in-association-with-acute-decrements-in-lung-function
#6
Anne Katrine Borander, Øyvind Albert Voie, Kjetil Longva, Tor Erik Danielsen, Svein Grahnstedt, Leiv Sandvik, Johny Kongerud, Liv Ingunn Bjoner Sikkeland
OBJECTIVE: After introduction of unleaded ammunition, Norwegian Armed Forces received reports of acute respiratory symptoms in soldiers after exposure to fumes from firing the standard weapon, HK416. The aim of the present study was to examine lung function before and after exposure to fumes from HK416 in a double-blinded standardised study design using three different types of ammunition. METHODS: Fifty-four healthy, non-smoking male volunteers (19-62 years) fired the weapons for 60 min with either leaded, unleaded or 'modified' unleaded ammunition...
April 13, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28403460/factors-associated-with-quitting-among-smoking-pregnant-women-from-small-town-and-rural-areas-in-poland
#7
Lukasz Balwicki, Danielle M Smith, Magdalena Pierucka, Maciej L Goniewicz, Marzena Zarzeczna-Baran, Tadeusz Jedrzejczyk, Marzena Strahl, Tomasz Zdrojewski
Introduction: Smoking rates among women in Poland are high, and access to specialized smoking cessation services in rural areas are limited. The aim of this study was to assess factors related to quitting among pregnant women who smoke in rural areas of Poland. Methods: Data were collected during interviews conducted by midwives among 4512 women at various stages of their pregnancy. The interviews took place in small towns with populations having less than 8000 residents, located within 12 out of 16 voivodships (provinces)...
May 1, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28396088/erythrocyte-aging-as-a-mechanism-of-anemia-and-a-biomarker-of-device-thrombosis-in-continuous-flow-left-ventricular-assist-devices
#8
Ziad Taimeh, Ryan J Koene, Julie Furne, Ashish Singal, Peter M Eckman, Michael D Levitt, Marc R Pritzker
BACKGROUND: Blood trauma caused by continuous-flow left ventricular assist devices (CF-LVADs) has been associated with device thrombosis and anemia. Accurate in vivo quantification of erythrocyte turnover and its contribution to CF-LVAD complications have yet to be elucidated. METHODS: We investigated the age (lifespan) of circulating erythrocytes in subjects with CF-LVAD. Erythrocyte lifespan is a quantitative indicator of in vivo erythrocyte turnover that can be accurately derived from measurement of the exhaled carbon monoxide (CO) level...
February 9, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28381414/comparison-of-a-preferred-versus-non-preferred-waterpipe-tobacco-flavour-subjective-experience-smoking-behaviour-and-toxicant-exposure
#9
Eleanor L Leavens, Leslie M Driskill, Neil Molina, Thomas Eissenberg, Alan Shihadeh, Emma I Brett, Evan Floyd, Theodore L Wagener
INTRODUCTION: One possible reason for the rapid proliferation of waterpipe (WP) smoking is the pervasive use of flavoured WP tobacco. To begin to understand the impact of WP tobacco flavours, the current study examined the impact of a preferred WP tobacco flavour compared with a non-preferred tobacco flavoured control on user's smoking behaviour, toxicant exposure and subjective smoking experience. METHOD: Thirty-six current WP smokers completed two, 45-minute ad libitum smoking sessions (preferred flavour vs non-preferred tobacco flavour control) in a randomised cross-over design...
April 5, 2017: Tobacco Control
https://www.readbyqxmd.com/read/28350859/correlation-between-clinical-severity-and-different-non-invasive-measurements-of-carbon-monoxide-concentration-a-population-study
#10
Thomas Hullin, Jerome Aboab, Kristell Desseaux, Sylvie Chevret, Djillali Annane
OBJECTIVES: Carbon monoxide (CO) poisoning is a major concern in industrialized countries. Each year, thousands of victims, resulting in approximately 100 fatalities, are encountered in France. The diagnosis of CO poisoning is challenging; while carboxyhemoglobin (COHb) may be useful, it is a weak indicator of the severity of CO poisoning. This weak indicator may be a result of the delay between poisoning occurrence and the blood assay. Two apparatuses, CO oximeters and exhaled CO analyzers, now permit COHb to be determined outside hospitals...
2017: PloS One
https://www.readbyqxmd.com/read/28259853/effectiveness-of-a-cough-management-algorithm-at-the-transitional-phase-from-acute-to-chronic-cough-in-australian-children-aged-15%C3%A2-years-protocol-for-a-randomised-controlled-trial
#11
Kerry-Ann F O'Grady, Keith Grimwood, Maree Toombs, Theo P Sloots, Michael Otim, David Whiley, Jennie Anderson, Sheree Rablin, Paul J Torzillo, Helen Buntain, Anne Connor, Don Adsett, Oon Meng Kar, Anne B Chang
INTRODUCTION: Acute respiratory infections (ARIs) are leading causes of hospitalisation in Australian children and, if recurrent, are associated with increased risk of chronic pulmonary disorders later in life. Chronic (>4 weeks) cough in children following ARI is associated with decreased quality-of-life scores and increased health and societal economic costs. We will determine whether a validated evidence-based cough algorithm, initiated when chronic cough is first diagnosed after presentation with ARI, improves clinical outcomes in children compared with usual care...
March 3, 2017: BMJ Open
https://www.readbyqxmd.com/read/28252508/psychometric-properties-of-the-fagerstr%C3%A3-m-test-for-nicotine-dependence-in-a-sample-of-mexican-smokers
#12
Ana Moreno-Coutiño, Luis Villalobos-Gallegos
INTRODUCTION: The Fagerström Test for Nicotine Dependence (FTND) is a widely used six-item questionnaire, often used as a measure of physical dependence on nicotine, although evidence of its validity in Spanish-language studies is scarce. AIM: The aim of this study was to assess the psychometric properties of FTND in Spanish speakers. METHOD: We recruited 136 regular adult smokers to answer the FTND. We assessed the internal consistency of the FTND with a Cronbach's alpha and convergent and divergent validity with the Pearson product-moment coefficient between variables of external criteria, both measure and nonmeasure related; the FTND items, and the total score...
January 2017: Journal of Addictions Nursing
https://www.readbyqxmd.com/read/28246504/assessment-of-the-correlations-between-nicotine-dependence-exhaled-carbon-monoxide-levels-and-oral-hygiene-status-an-observational-study
#13
Minodora Moga, Adina Bianca Bosca, Cosmina Ioana Bondor, Aranka Ilea, Ondine Patricia Lucaciu, Anca Ionel, Milena Adina Man, Ruxandra Mioara Rajnoveanu, Radu Septimiu Câmpian
BACKGROUND AND AIM: Cigarette smoking has negative effects on general health, including oral health. The aim of our study was to assess the correlations between nicotine dependence, exhaled carbon monoxide levels and oral hygiene status. METHODS: Smoker and non-smoker participants were enrolled in this observational study. The Fagerström test was used to classify nicotine dependences: low (score: 0-3), medium (score: 4-6) or high (score: 7-10). The oral hygiene status was classified according to the oral hygiene indices of plaque, calculus and gingival inflammation...
2017: Clujul Medical (1957)
https://www.readbyqxmd.com/read/28215785/kinetics-of-exhaled-carbon-monoxide-after-water-pipe-smoking-indoors-and-outdoors
#14
Agnes Juhasz, Dalma Pap, Imre Barta, Orsolya Drozdovszky, Andrea Egresi, Balazs Antus
BACKGROUND: Despite accumulating evidence about its adverse health effects, water-pipe tobacco smoking has become very popular among youth. The aim of this study was to compare smoke exposure and the kinetics of exhaled carbon monoxide (eCO) between water-pipe and cigarette smokers under different conditions. METHODS: Using a cross-over study design, changes in eCO and urinary cotinine levels were measured in a cohort of 32 healthy university students after sessions of water-pipe smoking indoors and outdoors...
May 2017: Chest
https://www.readbyqxmd.com/read/28199450/association-between-smoking-status-preoperative-exhaled-carbon-monoxide-levels-and-postoperative-surgical-site-infection-in-patients-undergoing-elective-surgery
#15
Margaret B Nolan, David P Martin, Rodney Thompson, Darrell R Schroeder, Andrew C Hanson, David O Warner
Importance: Cigarette smoking is a risk factor for many perioperative complications, including surgical site infection (SSI). The duration of abstinence from smoking required to reduce this risk is unknown. Objectives: To evaluate if abstinence from smoking on the day of surgery is associated with a decreased frequency of SSI in patients who smoke cigarettes and to confirm that smoking is significantly independently associated with SSI when adjustment is made for potentially relevant covariates, such as body mass index...
May 1, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28103841/a-two-site-two-arm-34-week-double-blind-parallel-group-randomized-controlled-trial-of-reduced-nicotine-cigarettes-in-smokers-with-mood-and-or-anxiety-disorders-trial-design-and-protocol
#16
Sophia I Allen, Jonathan Foulds, Gladys N Pachas, Susan Veldheer, Corinne Cather, Nour Azzouz, Shari Hrabovsky, Ahmad Hameed, Jessica Yingst, Erin Hammett, Jennifer Modesto, Nicolle M Krebs, Junjia Zhu, Jason Liao, Joshua E Muscat, John Richie, A Eden Evins
BACKGROUND: The U.S. Food and Drug Administration can set standards for cigarettes that could include reducing their nicotine content. Such a standard should improve public health without causing unintended serious consequences for sub-populations. This study evaluates the effect of progressive nicotine reduction in cigarettes on smoking behavior, toxicant exposure, and psychiatric symptoms in smokers with comorbid mood and/or anxiety disorders using a two-site, two-arm, double-blind, parallel group, randomized controlled trial (RCT) in four phases over 34 weeks...
January 19, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28099134/carboxyhemoglobin-the-forgotten-parameter-of-neonatal-hyperbilirubinemia
#17
Douggl G N Bailey, Hans Fuchs, Roland Hentschel
BACKGROUND: Neonatal hyperbilirubinemia is influenced by a wide variety of factors, one of which is hemolysis. Serious hyperbilirubinemia may lead to a kernicterus with detrimental neurologic sequelae. Patients suffering from hemolytic disease have a higher risk of developing kernicterus. Carbon monoxide (CO), a byproduct of hemolysis or heme degradation, was described by Sjöstrand in the 1960s. It is transported as carboxyhemoglobin (COHb) and exhaled through the lungs. We were interested in a potential correlation between COHb and total serum bilirubin (TSB) and the time course of both parameters...
January 18, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28081308/exhaled-carbon-monoxide-is-a-marker-of-heavy-nicotine-dependence
#18
Elif Babaoğlu, Ayşegül Karalezli, Mükremin Er, Hatice Canan Hasanoğlu, Derya Öztuna
BACKGROUND/AIM: Exhaled CO level provides an objective measure of a patient's smoking status. The relationship between CO levels and nicotine dependence is controversial. The aim of this study is to evaluate the relationship between exhaled CO levels and nicotine dependence as well as to demonstrate that exhaled CO levels may be used as a marker of nicotine dependence. MATERIALS AND METHODS: Two hundred eighty-nine patients (132 females, 157 males) were included in the study...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28038794/prognostic-role-of-exhaled-breath-condensate-ph-and-fraction-exhaled-nitric-oxide-in-systemic-sclerosis-related-interstitial-lung-disease
#19
Alfredo Guillen-Del Castillo, Sara Sánchez-Vidaurre, Carmen P Simeón-Aznar, María J Cruz, Vicente Fonollosa-Pla, Xavier Muñoz
INTRODUCTION: Interstitial lung disease (ILD) is one of the major causes of death in systemic sclerosis (SSc). This study investigated exhaled breath (EB) and exhaled breath condensate (EBC) biomarkers in patients with SSc and analyzed their role as a prognostic tool in SSc-related ILD. METHODS: Fraction exhaled nitric oxide (FeNO) and exhaled carbon monoxide (eCO) measured in EB, together with pH, nitrite, nitrate and interleukin-6 levels measured in EBC were prospectively analyzed in 35 patients with SSc...
December 27, 2016: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/28003848/acupuncture-for-smoking-cessation-in-hong-kong-a-prospective-multicenter-observational-study
#20
Ying-Ying Wang, Zhao Liu, Yuan Wu, Ou Zhang, Min Chen, Ling-Ling Huang, Xiu-Qing He, Guan-Yi Wu, Jin-Sheng Yang
This was a prospective multicenter observational study, aiming to explore the effects of acupuncture on smoking cessation in Hong Kong. From March of 2010 to August of 2015, a total of 5202 smokers were recruited based on inclusion criteria and treated with acupuncture for 8 weeks. As a result, 2940 subjects finished the study with a drop-out rate of 43.48%. The self-reported 7-day point abstinence rate was 34.00% in Week 8 and 18.40% in Week 52. The exhaled carbon monoxide level and the number of cigarettes smoked per day were reduced significantly after treatment...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
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