15 results on '"DeVoe MC"'
Search Results
2. Preprocedural plasma C-reactive protein levels, postprocedural creatine kinase-MB release, and long-term prognosis after successful coronary stenting (four-year results from the GENERATION Study)
- Author
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Zairis MN, Ambrose JA, Ampartzidou O, Lyras AG, Manousakis SJ, Makrygiannis SS, Beldekos DJ, Devoe MC, Fakiolas CN, Prekates AA, Olympois CD, Argyrakis SK, Foussas SG, and GENERATION Study Group
- Published
- 2005
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3. Frequency of and outcome of acute coronary syndromes in patients with human immunodeficiency virus infection.
- Author
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Ambrose JA, Gould RB, Kurian DC, DeVoe MC, Pearlstein NB, Coppola JT, Siegal FP, Ambrose, John A, Gould, Randy B, Kurian, Damian C, DeVoe, Mary C, Pearlstein, Nicole B, Coppola, John T, and Siegal, Frederick P
- Abstract
Fifty-one patients with human immunodeficiency virus infection and acute coronary syndromes were identified. Nearly all patients (98%) had traditional coronary risk factors. Revascularization procedures were performed safely with low in-hospital mortality. [ABSTRACT FROM AUTHOR]
- Published
- 2003
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4. Randomized placebo controlled trial evaluating the safety and efficacy of single low-dose intracoronary insulin-like growth factor following percutaneous coronary intervention in acute myocardial infarction (RESUS-AMI).
- Author
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Caplice NM, DeVoe MC, Choi J, Dahly D, Murphy T, Spitzer E, Van Geuns R, Maher MM, Tuite D, Kerins DM, Ali MT, Kalyar I, Fahy EF, Khider W, Kelly P, Kearney PP, Curtin RJ, O'Shea C, Vaughan CJ, Eustace JA, and McFadden EP
- Subjects
- Cytoprotection drug effects, Dose-Response Relationship, Drug, Drug Administration Schedule, Drug Monitoring, Female, Growth Substances, Humans, Infusions, Intra-Arterial, Magnetic Resonance Imaging, Cine, Male, Middle Aged, Myocytes, Cardiac drug effects, Organ Size, Treatment Outcome, Ventricular Remodeling drug effects, Heart Ventricles diagnostic imaging, Heart Ventricles drug effects, Heart Ventricles pathology, Insulin-Like Growth Factor I administration & dosage, Percutaneous Coronary Intervention methods, ST Elevation Myocardial Infarction complications, ST Elevation Myocardial Infarction diagnosis, ST Elevation Myocardial Infarction therapy, Ventricular Dysfunction, Left diagnosis, Ventricular Dysfunction, Left physiopathology, Ventricular Dysfunction, Left prevention & control
- Abstract
Background: Residual and significant postinfarction left ventricular (LV) dysfunction, despite technically successful percutaneous coronary intervention (PCI) for ST-elevation myocardial infarction (STEMI), remains an important clinical issue. In preclinical models, low-dose insulin-like growth factor 1 (IGF1) has potent cytoprotective and positive cardiac remodeling effects. We studied the safety and efficacy of immediate post-PCI low-dose intracoronary IGF1 infusion in STEMI patients., Methods: Using a double-blind, placebo-controlled, multidose study design, we randomized 47 STEMI patients with significantly reduced (≤40%) LV ejection fraction (LVEF) after successful PCI to single intracoronary infusion of placebo (n = 15), 1.5 ng IGF1 (n = 16), or 15 ng IGF1 (n = 16). All received optimal medical therapy. Safety end points were freedom from hypoglycemia, hypotension, or significant arrhythmias within 1 hour of therapy. The primary efficacy end point was LVEF, and secondary end points were LV volumes, mass, stroke volume, and infarct size at 2-month follow-up, all assessed by magnetic resonance imaging. Treatment effects were estimated by analysis of covariance adjusted for baseline (24 hours) outcome., Results: No significant differences in safety end points occurred between treatment groups out to 30 days (χ
2 test, P value = .77). There were no statistically significant differences in baseline (24 hours post STEMI) clinical characteristics or LVEF among groups. LVEF at 2 months, compared to baseline, increased in all groups, with no statistically significant differences related to treatment assignment. However, compared with placebo or 1.5 ng IGF1, treatment with 15 ng IGF1 was associated with a significant improvement in indexed LV end-diastolic volume (P = .018), LV mass (P = .004), and stroke volume (P = .016). Late gadolinium enhancement (±SD) at 2 months was lower in 15 ng IGF1 (34.5 ± 29.6 g) compared to placebo (49.1 ± 19.3 g) or 1.5 ng IGF1 (47.4 ± 22.4 g) treated patients, although the result was not statistically significant (P = .095)., Conclusions: In this pilot trial, low-dose IGF1, given after optimal mechanical reperfusion in STEMI, is safe but does not improve LVEF. However, there is a signal for a dose-dependent benefit on post-MI remodeling that may warrant further study., (Copyright © 2018. Published by Elsevier Inc.)- Published
- 2018
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5. Preventing transmission of MRSA: a qualitative study of health care workers' attitudes and suggestions.
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Seibert DJ, Speroni KG, Oh KM, Devoe MC, and Jacobsen KH
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- Adolescent, Adult, Cross Infection microbiology, Cross Infection prevention & control, Female, Humans, Interviews as Topic, Male, Middle Aged, Staphylococcal Infections microbiology, Staphylococcal Infections prevention & control, Suggestion, Young Adult, Attitude of Health Personnel, Cross Infection transmission, Health Personnel, Infection Control methods, Methicillin-Resistant Staphylococcus aureus isolation & purification, Staphylococcal Infections transmission
- Abstract
Background: Health care workers' (HCWs) perceptions and attitudes affect implementation of precautions to prevent transmission of drug-resistant pathogens such as methicillin-resistant Staphylococcus aureus (MRSA). Identification of challenges and barriers to recommended practices is a critical component of promoting a safe clinical environment of care., Methods: Semistructured interviews addressed how MRSA affects HCWs, prevention of transmission, and challenges and barriers HCWs experience when entering a MRSA isolation room and performing appropriate hand hygiene., Results: The purposive sample of 26 acute care HCWs (16 registered nurses; 1 physician; 6 allied health professionals; and 3 support staff) self-selected from 276 responding to a questionnaire on MRSA. Analysis identified 18 themes across seven categories. Most participants reported feeling responsible for preventing transmission, and having the knowledge and desire to do so. However, many also reported challenges to following consistent hand hygiene and use of contact precautions. Barriers included patient care demands, equipment and environmental issues such as availability of sinks, time pressures, the practices of other HCWs, and the need for additional signs indicating which patients require contact precautions., Conclusions: The HCWs reported a need for improved clarity of isolation protocols throughout patients' hospital journey, additional rooms and staff for isolation patients, improved education and communication (including timely and appropriate signage), and an emphasis on involving all HCWs in reducing contamination., (Copyright © 2014 Association for Professionals in Infection Control and Epidemiology, Inc. Published by Mosby, Inc. All rights reserved.)
- Published
- 2014
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6. Knowledge, perceptions, and practices of methicillin-resistant Staphylococcus aureus transmission prevention among health care workers in acute-care settings.
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Seibert DJ, Speroni KG, Oh KM, DeVoe MC, and Jacobsen KH
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- Adolescent, Adult, Aged, Cross Infection epidemiology, Cross Infection microbiology, Cross Infection transmission, Cross-Sectional Studies, Female, Guideline Adherence, Health Facilities, Humans, Male, Methicillin-Resistant Staphylococcus aureus isolation & purification, Middle Aged, Staphylococcal Infections epidemiology, Staphylococcal Infections microbiology, Staphylococcal Infections transmission, United States epidemiology, Young Adult, Cross Infection prevention & control, Disease Transmission, Infectious prevention & control, Health Knowledge, Attitudes, Practice, Health Personnel, Infection Control methods, Professional Competence, Staphylococcal Infections prevention & control
- Abstract
Background: Health care workers (HCWs) play a critical role in prevention of health care-associated infections such as methicillin-resistant Staphylococcus aureus (MRSA), but glove and gown contact precautions and hand hygiene may not be consistently used with vulnerable patients., Methods: A cross-sectional survey of MRSA knowledge, attitudes/perceptions, and practices among 276 medical, nursing, allied health, and support services staff at an acute-care hospital in the eastern United States was completed in 2012. Additionally, blinded observations of hand hygiene behaviors of 104 HCWs were conducted., Results: HCWs strongly agreed that preventive behaviors reduce the spread of MRSA. The vast majority reported that they almost always engage in preventive practices, but observations of hand hygiene found lower rates of adherence among nearly all HCW groups. HCWs who reported greater comfort with telling others to take action to prevent MRSA transmission were significantly more likely to self-report adherence to recommended practices., Conclusions: It is important to reduce barriers to adherence with preventive behaviors and to help all HCWs, including support staff who do not have direct patient care responsibilities, to translate knowledge about MRSA transmission prevention methods into consistent adherence of themselves and their coworkers to prevention guidelines., (Copyright © 2014 Association for Professionals in Infection Control and Epidemiology, Inc. Published by Mosby, Inc. All rights reserved.)
- Published
- 2014
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7. C Reactive protein, moderate alcohol consumption, and long term prognosis after successful coronary stenting: four year results from the GENERATION study.
- Author
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Zairis MN, Ambrose JA, Lyras AG, Thoma MA, Psarogianni PK, Psaltiras PG, Kardoulas AD, Bibis GP, Pissimissis EG, Batika PC, DeVoe MC, Prekates AA, and Foussas SG
- Subjects
- Alcohol Drinking blood, Angina, Unstable blood, Angina, Unstable mortality, Angina, Unstable surgery, Coronary Artery Disease blood, Coronary Artery Disease mortality, Female, Follow-Up Studies, Humans, Male, Middle Aged, Myocardial Infarction blood, Myocardial Infarction mortality, Myocardial Infarction surgery, Prognosis, Prospective Studies, Survival Analysis, Alcohol Drinking mortality, C-Reactive Protein analysis, Coronary Artery Disease surgery, Stents
- Abstract
Objectives: To determine the impact of moderate alcohol consumption on long term prognosis after successful coronary stenting, and whether it could be related to preprocedural plasma C reactive protein (CRP)., Design: Part of the prospectively designed GENERATION study which investigated the impact of several biochemical factors, including plasma CRP, on long term prognosis after coronary stenting., Setting: Tertiary referral centre., Patients: 483 consecutive patients with stable or unstable coronary artery disease who underwent successful coronary stenting and were followed for up to four years. Information about alcohol consumption was collected prospectively., Interventions: Successful coronary stenting., Main Outcome Measures: The incidence of the composite end point of readmission to hospital for unstable angina, non-fatal myocardial infarction, or cardiac death, whichever occurred first., Results: By the end of follow up the incidence of the composite end point was 22.8%. Patients with a baseline plasma CRP concentration of < 0.68 mg/dl (defined by ROC analysis) did not show any difference in the composite end point (p = 0.9) or its components, regardless of the amount of alcohol consumed during follow up. However, among patients with plasma CRP concentration of > or = 0.68 mg/dl, those who drank moderately had a lower incidence of the composite end point (p < 0.001) or its components., Conclusions: Moderate alcohol consumption may have a beneficial impact on the long term prognosis following successful coronary stenting. The extent of this effect is positively related to preprocedural inflammatory status. An anti-inflammatory action of moderate alcohol consumption cannot be excluded.
- Published
- 2004
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8. Predictors of troponin elevation after percutaneous coronary intervention.
- Author
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Mandadi VR, DeVoe MC, Ambrose JA, Prakash AM, Varshneya N, Gould RB, Nguyen TH, Geagea JP, Radojevic JA, Sehhat K, and Barua RS
- Subjects
- Biomarkers blood, Female, Humans, Male, Middle Aged, Myocardial Infarction mortality, Postoperative Period, Predictive Value of Tests, Prognosis, Prospective Studies, Angioplasty, Balloon, Coronary, Myocardial Infarction blood, Myocardial Infarction therapy, Troponin blood
- Abstract
The predictors of troponin release after percutaneous coronary intervention were prospectively assessed in 405 consecutive patients. Troponin release occurred frequently (27%) and was associated with complications during the procedure, including sapheneous vein graft interventions, multistent use, glycoprotein IIb/IIIa use, and a history of hypercholesterolemia.
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- 2004
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9. Reactive oxygen species are involved in smoking-induced dysfunction of nitric oxide biosynthesis and upregulation of endothelial nitric oxide synthase: an in vitro demonstration in human coronary artery endothelial cells.
- Author
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Barua RS, Ambrose JA, Srivastava S, DeVoe MC, and Eales-Reynolds LJ
- Subjects
- Adult, Alkaloids, Benzophenanthridines, Biopterins pharmacology, Blood, Catalase pharmacology, Cell Line, Coronary Vessels cytology, Endothelium, Vascular enzymology, Enzyme Inhibitors pharmacology, Free Radical Scavengers pharmacology, Humans, Male, Nitric Oxide Synthase Type III, Phenanthridines pharmacology, Polyethylene Glycols pharmacology, Protein Kinase C antagonists & inhibitors, Superoxide Dismutase pharmacology, Up-Regulation, Biopterins analogs & derivatives, Endothelium, Vascular metabolism, Nitric Oxide biosynthesis, Nitric Oxide Synthase metabolism, Reactive Oxygen Species metabolism, Smoking
- Abstract
Background: Our group has previously shown that human umbilical vein endothelial cells exposed to smokers' serum decreased nitric oxide (NO) production and endothelial nitric oxide synthase (eNOS) activity in the presence of increased eNOS expression. In the present study, we examined whether these observations extended to human coronary artery endothelial cells (HCAECs). In addition, the role of reactive oxygen species in the observed alterations was examined., Methods and Results: HCAECs were incubated with serum from 10 nonsmokers and 15 smokers for 12 hours with or without the addition of either polyethylene glycol-superoxide dismutase (PEG-SOD, 300 U/mL), PEG-SOD+PEG-catalase (1000 U/mL), chelerythrine (3 micromol/L), or tetrahydrobiopterin (20 micromol/L). At the end of incubation, NO, eNOS protein, and eNOS activity were measured from the same culture. HCAECs incubated with smokers' serum alone showed significantly lower NO production (P<0.05) and eNOS activity (P<0.005) but higher eNOS expression (P<0.005) compared with nonsmokers. In smokers, addition of PEG-SOD, PEG-SOD+PEG-catalase, or tetrahydrobiopterin significantly (P<0.05) improved NO levels and eNOS activity. Interestingly, in the same smokers, a significant decrease in eNOS expression was only seen with the addition of PEG-SOD+PEG-catalase (P<0.05) and treatment with PEG-SOD alone insignificantly increased eNOS expression., Conclusions: The present study indicates that in vitro, HCAECs show similar changes in NO biosynthesis as human umbilical vein endothelial cells when exposed to smokers' serum and also confirms that oxidative stress plays a central role in smoking-mediated dysfunction of NO biosynthesis in endothelial cells. Furthermore, these data support other studies suggesting a role for hydrogen peroxide in the upregulation of eNOS.
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- 2003
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10. C-reactive protein and ST-segment monitoring by continuous 12-lead electrocardiogram in patients with primary unstable angina pectoris.
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Zairis MN, Ambrose JA, Papadaki OA, Manousakis SJ, Stefanidis AS, DeVoe MC, Handanis SM, Olympios CD, and Foussas SG
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- Aged, Analysis of Variance, Biomarkers blood, Blood Chemical Analysis, Cohort Studies, Female, Humans, Logistic Models, Male, Middle Aged, Monitoring, Physiologic methods, Multivariate Analysis, Myocardial Infarction blood, Myocardial Infarction diagnosis, Predictive Value of Tests, Probability, Prognosis, Prospective Studies, Risk Assessment, Sensitivity and Specificity, Severity of Illness Index, Statistics, Nonparametric, Angina, Unstable blood, Angina, Unstable diagnosis, C-Reactive Protein analysis, Electrocardiography, Ambulatory methods
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- 2003
- Full Text
- View/download PDF
11. Peripheral conduction disease in left ventricular dysfunction.
- Author
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Puttappa R, Raia F, Bhat S, Braff R, Mandadi VR, Barua RS, DeVoe MC, Boal BH, and Ambrose JA
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- Aged, Bundle-Branch Block diagnostic imaging, Electrocardiography, Female, Humans, Male, Retrospective Studies, Ultrasonography, Ventricular Dysfunction, Left diagnostic imaging, Bundle-Branch Block physiopathology, Ventricular Dysfunction, Left physiopathology
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- 2003
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12. The impact of plasma levels of C-reactive protein, lipoprotein (a) and homocysteine on the long-term prognosis after successful coronary stenting: The Global Evaluation of New Events and Restenosis After Stent Implantation Study.
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Zairis MN, Ambrose JA, Manousakis SJ, Stefanidis AS, Papadaki OA, Bilianou HI, DeVoe MC, Fakiolas CN, Pissimissis EG, Olympios CD, and Foussas SG
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- Aged, Angina, Unstable blood, Biomarkers, Coronary Angiography, Coronary Artery Disease therapy, Coronary Restenosis blood, Disease Progression, Female, Humans, Male, Middle Aged, Prognosis, Proportional Hazards Models, ROC Curve, Risk Assessment, C-Reactive Protein analysis, Coronary Artery Disease blood, Homocysteine blood, Lipoprotein(a) blood
- Abstract
Objectives: The objective of this study was to evaluate the association of high plasma levels of either C-reactive protein (CRP), lipoprotein (a) (Lp[a]) or total homocysteine (tHCY) with the long-term prognosis after successful coronary stenting (CS)., Background: High plasma levels of either CRP, Lp(a) or tHCY may have an impact in coronary artery disease. However, long-term prospective data after coronary stenting (CS) are limited., Methods: Four-hundred and eighty-three consecutive patients with either stable or unstable coronary syndromes were followed for up to three years after successful CS. The composite of cardiac death, myocardial infarction or rehospitalization for rest unstable angina, whichever occurred first, was the prespecified primary end point. Moreover, the one-year incidence of clinical recurrence of symptoms, in-stent restenosis (ISR) and progression of atherosclerosis to a significant lesion (PTSL) were additionally evaluated. PTSL was defined as an increase by at least 25% in the luminal diameter stenosis of a known nonsignificant lesion (
or=70% luminal diameter stenosis)., Results: By the end of the follow-up, high plasma levels of either CRP or Lp(a) but not tHCY were independently associated with the primary end point. In particular, CRP >or=0.68 mg/dl (p < 0.001) or Lp(a) >or=25 mg/dl (p = 0.003) conferred a significantly increased risk. By 1 year, a CRP >or=0.68 mg/dl conferred a significantly increased risk for clinical recurrence of symptoms (p < 0.001) or PTSL (p < 0.001). None of the studied biochemical markers was related to ISR., Conclusions: High plasma levels of either CRP or Lp(a) but not tHCY may be associated with a higher incidence of late adverse events after successful CS. PTSL in vessels not previously intervened upon may play a significant role in the underlying pathophysiology as opposed to ISR. - Published
- 2002
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13. Acute coronary lesions and troponin elevation in unstable angina pectoris or non-ST elevation acute myocardial infarction.
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Ambrose JA, Gould RB, Zairis MN, DeVoe MC, Nguyen TH, Geagea JP, Arias JH, Prakash AM, Varshneya N, Meraj P, and Barua RS
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- Angina Pectoris, Variant blood, Angina Pectoris, Variant diagnostic imaging, Biomarkers blood, Coronary Angiography, Female, Humans, Male, Middle Aged, Myocardial Infarction blood, Myocardial Infarction complications, Myocardial Infarction diagnostic imaging, Prospective Studies, Regression Analysis, Sensitivity and Specificity, Angina Pectoris, Variant pathology, Arrhythmias, Cardiac complications, Myocardial Infarction pathology, Severity of Illness Index, Troponin I blood
- Published
- 2002
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14. Heavy and light cigarette smokers have similar dysfunction of endothelial vasoregulatory activity: an in vivo and in vitro correlation.
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Barua RS, Ambrose JA, Eales-Reynolds LJ, DeVoe MC, Zervas JG, and Saha DC
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- Brachial Artery drug effects, Brachial Artery metabolism, Dose-Response Relationship, Drug, Endothelium, Vascular drug effects, Endothelium, Vascular metabolism, Humans, Male, Endothelin-1 biosynthesis, Nitric Oxide biosynthesis, Smoking metabolism, Vasodilation drug effects
- Abstract
Objectives: The goal of this study was to investigate the dose-dependent effects of active cigarette smoking on endothelial nitric oxide (NO) and endothelin-1 (ET-1) biosynthesis., Background: Limited studies have suggested that active cigarette smoking may be associated with a dose-dependent reduction of endothelium-dependent vasodilation (EDV). The underlying biochemical changes that cause this dose-specific effect, such as changes in the endothelial NO biosynthetic pathway and ET-1 production, have not been examined., Methods: Flow- and nitroglycerin-mediated reactivity of the brachial artery were measured in eight nonsmokers, seven light smokers (< or =1 pack/week) and eight heavy smokers (> or =1 pack/day), and their sera were added to confluent ( approximately 85%) monolayers of human umbilical endothelial cells (HUVECs) for 12 h. Basal and substance P-stimulated NO and basal ET-1 production were measured. The HUVECs used for measuring basal NO production were lysed, and both endothelial NO synthase (eNOS) protein expression and eNOS activity were determined., Results: Serum cotinine level and pack-years of smoking were significantly lower in light smokers compared with heavy smokers (p < 0.006 and p < 0.004, respectively). There were no significant differences between heavy smokers and light smokers in EDV (p = 0.52), basal- (p = 0.70) and stimulated-NO production (p = 0.95), eNOS protein (p = 0.40) and eNOS activity (p = 0.63). Compared with nonsmokers, all the parameters were significantly altered in both of the smokers' groups. No differences were found in nitroglycerin-mediated vasodilation and in vitro ET-1 production among the three groups., Conclusions: These results indicate light smoking may have similar detrimental effects on EDV and NO biosynthetic pathway as does heavy smoking. These data may have important implications concerning the amount of active cigarette exposure that imparts cardiovascular risk.
- Published
- 2002
- Full Text
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15. Dysfunctional endothelial nitric oxide biosynthesis in healthy smokers with impaired endothelium-dependent vasodilatation.
- Author
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Barua RS, Ambrose JA, Eales-Reynolds LJ, DeVoe MC, Zervas JG, and Saha DC
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- Adult, Blood Flow Velocity physiology, Blood Proteins pharmacology, Brachial Artery diagnostic imaging, Brachial Artery drug effects, Brachial Artery physiology, Cell Division drug effects, Cell Survival drug effects, Cells, Cultured, Cotinine blood, Endothelium, Vascular cytology, Endothelium, Vascular drug effects, Enzyme Activation drug effects, Humans, Linear Models, Male, Nitric Oxide Synthase metabolism, Nitric Oxide Synthase Type III, Nitroglycerin pharmacology, Substance P pharmacology, Ultrasonography, Vasodilation drug effects, Endothelium, Vascular physiology, Nitric Oxide biosynthesis, Smoking metabolism, Vasodilation physiology
- Abstract
Background: The mechanisms involved in the dysfunction of both endothelium-dependent vasodilatation (EDV) and NO biosynthesis related to smoking are unclear. In this study, EDV was assessed in healthy smokers and nonsmokers in vivo and, using serum from the same individuals, was related to the NO biosynthetic pathway in vitro., Methods and Results: Flow-mediated EDV of the brachial artery was measured in 23 male patients (8 nonsmokers and 15 smokers). Serum was collected, added to confluent ( approximately 85%) monolayers of human umbilical vein endothelial cells (HUVECs), and incubated for 12 hours. Basal and substance P-stimulated NO production was measured. The HUVECs used for measuring basal NO production were lysed, and both endothelial NO synthase (eNOS) protein expression and eNOS activity were determined. EDV was lower in smokers compared with nonsmokers (P<0.001). HUVECs treated with serum from smokers compared with nonsmokers showed significantly lower basal (P<0.0001) and stimulated (P<0.02) NO production, higher eNOS expression (P<0.0001), but lower eNOS activity (P<0.004). There was a significant positive correlation between in vivo EDV and in vitro substance P-stimulated NO production (rho=0.57, P<0.01) and between basal NO production and eNOS activity (r=0.54, P<0.008) and a negative correlation between basal NO production and eNOS protein expression (r=-0.60, P<0.003). CONCLUIONS: This is the first study to combine an in vivo model with a near-physiological in vitro model to demonstrate an association between decreased NO production and reduced EDV. Cigarette smoking was associated with reduced EDV, NO generation, and eNOS activity in the presence of increased eNOS protein expression.
- Published
- 2001
- Full Text
- View/download PDF
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