The aim of this updated statement is to provide comprehensive and timely evidence-based recommendations on the prevention of stroke among individuals who have not previously experienced a stroke or transient ischemic attack. Evidence-based recommendations are included for the control of risk factors, interventional approaches to atherosclerotic disease of the cervicocephalic circulation, and antithrombotic treatments for preventing thrombotic and thromboembolic stroke. Further recommendations are provided for genetic and pharmacogenetic testing and for the prevention of stroke in a variety of other specific circumstances, including sickle cell disease and patent foramen ovale.

Guidelines for the Primary Prevention of Stroke A Guideline for Healthcare Professionals From the American Heart Association/American Stroke Association

Background and Purpose-This guideline provides an overview of the evidence on established and emerging risk factors for stroke to provide evidence-based recommendations for the reduction of risk of a first stroke. Methods-Writing group members were nominated by the committee chair on the basis of their previous work in relevant topic areas and were approved by the American Heart Association (AHA) Stroke Council Scientific Statement Oversight Committee and the AHA Manuscript Oversight Committee. The writing group used systematic literature reviews (covering the time since the last review was published in 2006 up to April 2009), reference to previously published guidelines, personal files, and expert opinion to summarize existing evidence, indicate gaps in current knowledge, and when appropriate, formulate recommendations using standard AHA criteria (Tables 1 and 2). All members of the writing group had the opportunity to comment on the recommendations and approved the final version of this document. The guideline underwent extensive peer review by the Stroke Council leadership and the AHA scientific statements oversight committees before consideration and approval by the AHA Science Advisory and Coordinating Committee. Results-Schemes for assessing a person's risk of a first stroke were evaluated. Risk factors or risk markers for a first stroke were classified according to potential for modification (nonmodifiable, modifiable, or potentially modifiable) and strength of evidence (well documented or less well documented). Nonmodifiable risk factors include age, sex, low birth weight, race/ethnicity, and genetic predisposition. Well-documented and modifiable risk factors include hypertension, exposure to cigarette smoke, diabetes, atrial fibrillation and certain other cardiac conditions, dyslipidemia, carotid artery stenosis, sickle cell disease, postmenopausal hormone therapy, poor diet, physical inactivity, and obesity and body fat distribution. Less well-documented or potentially modifiable risk factors include the metabolic syndrome, excessive alcohol consumption, drug abuse, use of oral contraceptives, sleep-disordered breathing, migraine, hyperhomocysteinemia, elevated lipoprotein(a), hypercoagulability, inflammation, and infection. Data on the use of aspirin for primary stroke prevention are reviewed. Conclusion-Extensive evidence identifies a variety of specific factors that increase the risk of a first stroke and that provide strategies for reducing that risk.

/pdf/guidelines-for-the-primary-prevention-of-stroke-a-guideline-3kjqoo124s.pdf

Guidelines for the Primary Prevention of Stroke A Guideline for Healthcare Professionals From the American Heart Association/American Stroke Association The American Academy of Neurology affirms the value of this guideline as an educational tool for neurologists.

pReVIously ClAssIfIed by IARC As “CARCInogenIC to humAns (gRoup 1)” And wAs deVeloped by sIx sepARAte woRkIng gRoups: phARmACeutICAls; bIologICAl Agents; ARsenIC, metAls, fIbRes, And dusts; RAdIAtIon; peRsonAl hAbIts And IndooR CombustIons; ChemICAl Agents And RelAted oCCupAtIons. thIs Volume 100f CoVeRs ChemICAl Agents And RelAted oCCupAtIons, speCIfICAlly 4-AmInobIphenyl, benzIdIne, dyes metAbolIzed to benzIdIne, 4,4’-methylenebIs(2-ChloRoAnIlIne), 2-nAphthylAmIne, oRtho-toluIdIne, AuRAmIne And AuRAmIne pRoduCtIon, mAgentA And mAgentA pRoduCtIon, benzo[A]pyRene, CoAl gAsIfICAtIon, oCCupAtIonAl exposuRes duRIng CoAl-tAR dIstIllAtIon, CoAl-tAR pItCh, Coke pRoduCtIon, untReAted oR mIldly tReAted mIneRAl oIls, shAle oIls, soot, As found In oCCupAtIonAl exposuRe of ChImney-sweeps, oCCupAtIonAl exposuRes duRIng AlumInIum pRoduCtIon, AflAtoxIns, benzene, bIs(ChloRomethyl)etheR And ChloRomethyl methyl etheR, 1,3-butAdIene, 2,3,7,8-tetRAChloRodIbenzo-pARA-dIoxIn, 2,3,4,7,8-pentAChloRodIbenzofuRAn, And 3,3’,4,4’,5-pentAChloRobIphenyl, ethylene oxIde, foRmAldehyde, sulfuR mustARd, VInyl ChloRIde, IsopRopyl AlCohol mAnufACtuRe by the stRong-ACId pRoCess, mIsts fRom stRong InoRgAnIC ACIds, oCCupAtIonAl exposuRes duRIng IRon And steel foundIng, oCCupAtIonAl exposuRe As A pAInteR, oCCupAtIonAl exposuRes In the RubbeR mAnufACtuRIng IndustRy. beCAuse the sCope of Volume 100 Is so bRoAd, Its monogRAphs ARe foCused on key InfoRmAtIon. eACh monogRAph pResents A desCRIptIon of A CARCInogenIC Agent And how people ARe exposed, CRItICAl oVeRVIews of the epIdemIologICAl studIes And AnImAl CAnCeR bIoAssAys, And A ConCIse ReVIew of the Agent’s toxICokInetICs, plAusIble meChAnIsms of CARCInogenesIs, And potentIAlly susCeptIble populAtIons, And lIfe-stAges. detAIls of the desIgn And Results of IndIVIduAl epIdemIologICAl studIes And AnImAl CAnCeR bIoAssAys ARe summARIzed In tAbles. shoRt tAbles thAt hIghlIght key Results ARe pRInted In Volume 100, And moRe extensIVe tAbles thAt InClude All studIes AppeAR on the monogRAphs pRogRAmme websIte (http://monogRAphs.IARC.fR). It Is hoped thAt thIs Volume, by CompIlIng the knowledge ACCumulAted thRough seVeRAl deCAdes of CAnCeR ReseARCh, wIll stImulAte CAnCeR pReVentIon ACtIVItIes woRldwIde, And wIll be A VAlued ResouRCe foR futuRe ReseARCh to IdentIfy otheR Agents suspeCted of CAusIng CAnCeR In humAns. D es ig n by A ude la d es m ot s

iArc monogrAphs on the evAluAtion oF cArcinogenic risks to humAns

Background and Purpose— This guideline provides an overview of the evidence on various established and potential stroke risk factors and provides recommendations for the reduction of stroke risk. Methods— Writing group members were nominated by the committee chair on the basis of each writer’s previous work in relevant topic areas and were approved by the American Heart Association Stroke Council’s Scientific Statement Oversight Committee. The writers used systematic literature reviews (covering the time period since the last review published in 2001 up to January 2005), reference to previously published guidelines, personal files, and expert opinion to summarize existing evidence, indicate gaps in current knowledge, and when appropriate, formulate recommendations based on standard American Heart Association criteria. All members of the writing group had numerous opportunities to comment in writing on the recommendations and approved the final version of this document. The guideline underwent extensive peer review before consideration and approval by the AHA Science Advisory and Coordinating Committee. Results— Schemes for assessing a person’s risk of a first stroke were evaluated. Risk factors or risk markers for a first stroke were classified according to their potential for modification (nonmodifiable, modifiable, or potentially modifiable) and strength of evidence (well documented or less well documented). Nonmodifiable risk factors include age, sex, low birth weight, race/ethnicity, and genetic factors. Well-documented and modifiable risk factors include hypertension, exposure to cigarette smoke, diabetes, atrial fibrillation and certain other cardiac conditions, dyslipidemia, carotid artery stenosis, sickle cell disease, postmenopausal hormone therapy, poor diet, physical inactivity, and obesity and body fat distribution. Less well-documented or potentially modifiable risk factors include the metabolic syndrome, alcohol abuse, drug abuse, oral contraceptive use, sleep-disordered breathing, migraine headache, hyperhomocysteinemia, elevated lipoprotein(a), elevated lipoprotein-associated phospholipase, hypercoagulability, inflammation, and infection. Data on the use of aspirin for primary stroke prevention are reviewed. Conclusion— Extensive evidence is available identifying a variety of specific factors that increase the risk of a first stroke and providing strategies for reducing that risk.

Primary Prevention of Ischemic Stroke A Guideline From the American Heart Association/American Stroke Association Stroke Council: Cosponsored by the Atherosclerotic Peripheral Vascular Disease Interdisciplinary Working Group; Cardiovascular Nursing Council; Clinical Cardiology Council; Nutrition, Physical Activity, and Metabolism Council; and the Quality of Care and Outcomes Research Interdisciplinary Working Group: The American Academy of Neurology affirms the value of this guideline.

https://www.thelancet.com/pdfs/journals/lancet/PIIS0140-6736(06)69249-0.pdf

Tobacco use and risk of myocardial infarction in 52 countries in the INTERHEART study: a case-control study

Smokeless tobacco as a possible risk factor for myocardial infarction: a population-based study in middle-aged men.

OBJECTIVE--To estimate the risk of myocardial infarction in snuff users, cigarette smokers, and non-tobacco users in northern Sweden, where using snuff is traditional. DESIGN--Case-control study. SETTING--Northern Sweden. SUBJECTS--All 35-64 year old men who had had a first myocardial infarction and a population based sample of 35-64 year old men who had not had an infarction in the same geographical area. MAIN OUTCOME MEASURE--Tobacco consumption (regular snuff dipping, regular cigarette smoking, non-tobacco use) and risk of acute myocardial infarction. RESULTS--59 of 585 (10%) patients who had a first myocardial infarction and 87 of 589 (15%) randomly selected men without myocardial infarction were non-smokers who used snuff daily. The age adjusted odds ratio for myocardial infarction was 0.89 (95% confidence interval 0.62 to 1.29) for exposure to snuff and 1.87 (1.40 to 2.48) for cigarette smoking compared with non-tobacco users, showing an increased risk in smokers but not in snuff dippers. Regular cigarette smokers had a significantly higher risk of myocardial infarction than regular snuff dippers (age adjusted odds ratio 2.09; 1.39 to 3.15). Smoking, but not snuff dipping, predicted myocardial infarction in a multiple logistic regression model that included age and level of education. CONCLUSIONS--In middle aged men snuff dipping is associated with a lower risk of myocardial infarction than cigarette smoking.

https://www.bmj.com/content/bmj/305/6864/1252.full.pdf

Tobacco and myocardial infarction: is snuff less dangerous than cigarettes?

Cardiovascular disease morbidity and mortality rates show marked social patterning in industrialized countries. The aim of this study was to analyze if not only incidence but also survival after acute myocardial infarction (AMI) and stroke differ among socioeconomic groups. Within the framework of the population-based World Health Organization's Multinational Monitoring of Trends and Determinants in Cardiovascular Disease (MONICA) Project, all first-ever AMI (ages 25-64 years) and stroke (ages 25-74 years) events were recorded in northern Sweden during the period 1985-1994. The numbers of first-ever AMI and stroke patients included in the study were 3,466 and 4,215, respectively. Incidence rates for both AMI and stroke showed a distinct social pattern, with high rates in workers and self-employed nonprofessionals and low rates in professionals. The pattern was similar in men and women. In men, early survival after an AMI follows the same socioeconomic pattern, whereas it is less clear if socioeconomic differences in survival contribute to explain differences in mortality in AMI among women and mortality in stroke (both sexes). The high case fatality among male workers and self-employed professionals with AMI is, in turn, attributed to a very marked increase in the risk for sudden death.

Social Patterning of Myocardial Infarction and Stroke in Sweden: Incidence and Survival

. Peltonen M, Lundberg V, Huhtasaari F, Asplund K (Umea University Hospital, Kalix Hospital and Lulea-Boden Hospital, Sweden). Marked improvement in survival after acute myocardial infarction in middle-aged men but not in women. The Northern Sweden MONICA study 1985–94. J Intern Med 2000; 247: 579–587.



Objectives. The aim of this study was to analyse time trends in survival after acute myocardial infarction with special emphasis on sex differences.



Design. Within the framework of the population-based WHO MONICA Project, all acute myocardial infarction events were recorded in the age group 25–64 years in northern Sweden during the period 1985–94. All first-ever myocardial infarction patients were followed for information on vital status.



Subjects. A total of 3397 men and 860 women with acute myocardial infarction, during the period between 1985 and 1994.



Main outcome measures. Case fatality rates after first-ever acute myocardial infarction.



Results. When compared with the 1985–86 cohort, the age-adjusted odds ratio for death within 1 year after acute myocardial infarction was 0.59 (95% CI 0.46–0.76) in the 1993–94 male cohort but 0.99 (95% CI 0.61–1.60) in the female 1993–94 cohort. Corresponding age-adjusted proportions of death within 1 year were 33.3% and 22.9% in men and 27.5% and 27.3% in women in 1985–86 and 1993–94, respectively. The odds ratio for 3-year case fatality amongst those who survived the first 28 days was 0.34 (95% CI 0.21–0.55) in 1991–92 compared with 1985–86 in men and 0.91 (0.43–1.94) in women.



Conclusion. Both short- and long-term survival after AMI have improved markedly in men over the last decade. There is a disturbing sex difference in that, during the same period, survival in women with AMI has not improved at all. This sex difference was not explained by differences in conventional prognostic factors.

https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1365-2796.2000.00644.x

Marked improvement in survival after acute myocardial infarction in middle-aged men but not in women. The Northern Sweden MONICA study 1985-94.

The authors give an overview of the quality assessments in the WHO MONICA project and compare the quality of the data from Northern Sweden with other reporting units. Methods and results: Standardized measurement procedures and routine checks were used to ensure good quality of the data. The quality has been evaluated by a scoring system. The results show that the data from Northern Sweden have good quality for all variables except total cholesterol in the initial survey. In the subsequent surveys, the quality of cholesterol data was good. Conclusions: Great effort was put in to ensure good data quality and Northern Sweden is one of the MONICA units with very good quality of data.

https://journals.sagepub.com/doi/pdf/10.1080/14034950310001423

MONICA quality assessments.

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