Ocular Tumours Ocular Diseases
7.2.8 Retinal Detachment
Thequestionofanassociationwithsmokingwaspursuedinastudyin198patientswithreti- naldetachment.Itwasfoundthattherelativeriskforretinaldetachmentwasincreasedage- dependentlybythepresenceofmyopia,butwasdecreasedbycurrentsmokingRR=0.5; 95CI:0.3–0.8 [188] .7.3 Ears, Oral Cavity and Larynx
7.3.1 Harmful Effects on the Ears
Theliteraturecontainsonlyasmallnumberofpublicationsontheeffectsofsmokingon hearing,althoughitcanprobablybeassumedthatbloodlowinthemiddleandinnerearis comparablewiththatintheCNSandthathypoxaemicstatestogetherwithmicrocirculatory changesraisedibrinogen,etc.arecausallylinkedwiththeharmfuleffectsofsmoking [189] .Accordingtoastudyin163patientswithsuddendeafness,smokersalsohadsignii- cantlymoreriskfactorsforcoronaryheartdiseasecomparedwithahealthycontrolgroup [190] . Similarly, in 2,348 patients with noise-induced hearing loss, the relative risks for smokersweresigniicantlyelevatedever-smoker:OR=1.27,p=0.02;currentsmoker: OR=1.39,p=0.002comparedwithnever-smokers,andassociationswereevendetected withthenumberofpack-yearsofsmoking [191] .Inafurtherexperimentalseries,thehearing ofsmokersandnon-smokerswascompared,followingadjustmentforotherfactors:current smokerswere1.69timesaslikelytohavehearinglossasnon-smokers [192] .Comparedwith non-exposedpersons,passivesmokerswholivedwithasmokerwerealsofoundtobeat increasedriskforhearinglossOR=1.94;CI:1.01–3.74 [192] .Ithasnotyetbeenfully establishedwhetherauditorydamageoccursprimarilyinthehigh-frequencyrange [193] .7.3.2 Changes in the Oral Cavity
Alltobaccoconsumptioni.e.includingchewingtobaccoandespeciallycigarettesmoking produceschangesintheoralcavity,forexample,mucosalchangesintheformofgingivitis [194],[195] andincreasedtoothloss [194,196–198] .Periodontaldiseasesaredisproportion- atelyprevalentinsmokers [199–202] .IntheUSA,80ofalladultcasesofperiodontaldis- easecanbeassociatedwithsmoking [203] .Acuteulcerativegingivitisasaconsequenceof smokinghasbeenknownformorethan50years [194] :irstly,locallesionsareproducedon themucosalsurfacebythetarandothersmokeproducts;andsecondly,plaqueformationwith bacterialcolonisationisencouraged [204] .Manyoftheprocessesinvolvedhavestilltobe elucidated.However,ithasbeendemonstratedthatsmokershavereducedsalivaryIgAand IgGantibodylevels,indicativeofanimmunosuppressiveeffect [205] .Inaddition,nicotinehas beenreportedtoinhibittheproliferationofosteoblastsinvitro [206] andtoreducethegingival circulation [207] ,althoughtheseindingsneedtobeconirmedinfurtherinvestigations. Increasedplaqueformationisaprovenindingamongsmokers [208] ,andthisleadsto increasedbacterialcolonisationoftheoralcavityandgingivalregion [209] withallthe attendantconsequences.Furthermore,melanosisofthetongueblackhairytongueandof the oral mucosa may result from the pigmentation of basal keratinocytes [210] . These changesarereversibleonsmokingcessation.Asaresultofthethermalinsultofsmoke, pipe smokers often display stomatitis or smoker’s palate [211] , a condition that may undergotransformationtoaprecancerouslesioninrarecases. Withaconsumptionof20cigarsdayfor13years,SigmundFreudmayserveasatypi- calexample:hedevelopedleukoplakiawithrecurringoralcancers,forwhichhehadto undergosurgeryonnumerousoccasions.Despitehavingtowearaprostheticplateinhis upperandlowerjaw,hecontinuedtosmokepersistentlyuntilhisdeath. Smokingencouragesdiscolourationoftheteethandabrasionespeciallyinpipesmok- ersorusersofchewingtobacco.Inassociationwithtoothloss,thesechangesultimately leadtoocclusivedisturbances [211] .Suchindingsareencounteredmorefrequentlyinthe USA than in Europe, particularly since 10–16 million US Americans use smokeless tobaccoasanalternativetosmokingcigarettes [212] . Comparedwithnon-exposedchildren,childrenpassivelyexposedtomaternalsmoking arefoundtobeatincreasedriskforthedevelopmentofcariesOR=1.54vs.1.06;p0.05 [213] .7.3.3 Oral and Laryngeal Cancer
Morethan9outof10oralcavitycancersinmenand6outof10inwomenarecausedby smoking,whilealcoholhasbeenidentiiedasthestrongestadditionalriskfactor [214] . Compared with non-smokers, the relative risk in smokers is increased by 2- to 18-fold [215] ,theincreasebeingdependentonthenumberofcigarettessmokeddaily [216] .The riskofcancerdevelopmentdeclinesjustafewyearsaftersmokingcessation [217] ,inone studyby50after3–5yearsofsmokingabstinence [216] .Theeficacyofradiationtherapy insuchtumoursisconsiderablyreducedwherepatientscontinuetosmoke [218] .Likewise, 8outof10casesoflaryngealcancerarecausedbycigarettesmoking [219] ,andthecausal relationshiphasbeenconirmedbynumerousepidemiologicalandclinicalstudies [220] . Theriskoflaryngealcancerisalsoassociatedwiththenumberofcigarettessmoked [220] . Foreveryincrementalincreaseinpack-yearsofsmoking,thereisasmallbutmeasurable increaseintheoddsthatapatient’slaryngealcancerwillalreadybestageIIIorIVatinitial diagnosis [221] .ThebidicigarettescommonlysmokedinIndiaconstituteaparticulardan- ger: compared with non-smokers, smokers of 20 bidi cigarettesday have a 12.68-fold higherrelativeriskforlaryngealcancer [222] . Ithasbeensuggestedthatthemechanismsunderlyingcarcinogenesisaremediatedby acetaldehydeformedbyalcoholandcigarettesmoke,aprocessthatisalsoencouragedby microbialoxidationofethanolbytheoralmicrolora [223] .TheimplicationsareespeciallyParts
» Tobacco Plants and Their Origin Use of Tobacco for Religious Purposes
» The Appropriation of Tobacco by Europeans
» Development of the Cigarette
» Objections to Smoking on Health Grounds
» Women Won Over by the Cigarette
» The Medical Use of Tobacco in the Nineteenth Century
» Tobacco Research in the Twentieth Century
» Tobacco Consumption in the Twentieth Century
» Cigarette Smoking in the USA Since 1965
» Cigarette-Related Mortality in Different Countries
» Smokers and Other Risk Factors
» Smoking Behaviour and Educational Level in the EU
» Non-Disclosure of Findings by the Tobacco Industry
» The Cigarette as a Vehicle for Nicotine Release
» Modifications of Nicotine Release
» Maintaining Nicotine Dependence Nicotine and Dependence
» Marketing of Cigarettes with a “Reduced” Health Risk
» Compensatory Behaviour by Smokers
» Optimising Nicotine Release Nicotine and Dependence
» Importance of Absorption Rate
» Ammonium and pH Manipulation
» Cigarettes with Reduced Tar Yield
» Agonists and Antagonists of the nAChR and its Subtypes
» Effects of Nicotine on Receptors in Different Organs
» Metabolic and Hormonal Effects of Nicotine
» Central Nervous System Effects of Nicotine
» Types of Dependence Nicotine Dependence
» Molecular Biological Aspects of Dependence
» Genetic Aspects Nicotine Dependence
» Withdrawal Symptoms Nicotine Dependence
» Immunological Reactions Caused by Cigarette Smoking
» Association Between Smoking and Lung Cancer
» Tobacco-Specific Carcinogens Genetic Factors That Increase the Risk for Bronchial Carcinoma
» The Cytochrome P450 and GST System and Carcinogenesis
» Peptide Receptors, Genetic Factors That Increase the Risk for Bronchial Carcinoma
» Exogenous Factors and Lung Cancer
» Pathophysiology of COPD Cigarette Smoking and COPD
» Genetic Factors Important Risk Factors for COPD
» Occupational and Environmental Factors
» Caveats Concerning the Informative Value of Studies
» Cigarette Smoking and Bronchial Asthma in Adults
» Bronchial Asthma in Children
» Other Lung Diseases Influenced by Cigarette Smoking
» Coronary Artery Disease and Myocardial Infarction
» Changes in Endothelial Function and Microcirculation
» Microcirculation and O Systemic Vascular Changes
» Arteriosclerotic and Inflammatory Vascular Reactions
» Genetic Factors Blood Coagulation and Fibrinolysis
» Nicotine and Ischaemic Heart Disease
» Cognitive Impairment Central Nervous System
» Influence on Cognitive Performance
» Intellectual Impairment in Childhood
» Smoker Personality Profiles and Genetic Inheritance of Smoking
» Peculiarities of the Smoker’s Personality
» Reasons for Increased Cigarette Consumption
» Comorbidity Between Depression and Smoking
» Extent of Cigarette Consumption
» Effects of Smoking in Forms of Dementia
» Smoking and Parkinson’s Disease
» Diabetic Retinopathy Ocular Diseases
» Graves’ Ophthalmopathy Ocular Diseases
» Macular Degeneration Ocular Diseases
» Ocular Tumours Ocular Diseases
» Retinal Detachment Ocular Diseases
» Lipid and Cholesterol Metabolism
» Insulin Resistance Diabetic Nephropathy
» Oesophageal Cancer Gastrointestinal Tract
» Gastrointestinal Ulcers Gastrointestinal Tract
» Cancers of the Gastrointestinal Tract
» Pancreatic Cancer Gastrointestinal Tract
» Toxic Substances and Inducers
» Kidney Cancer Urinary Tract Diseases
» Bladder Cancer Urinary Tract Diseases
» Prostatic Hyperplasia and Prostatic Cancer
» Fertility Disorders Urinary Tract Diseases
» Vitamin D and Oestrogen Metabolism
» Osteoporosis Disorders of Mineral Metabolism and Bone
» Hip Fractures Disorders of Mineral Metabolism and Bone
» Skin Changes Skin and Mucosa
» Skin Tumours Skin and Mucosa
» Breast Cancer Skin and Mucosa
» Effects of Smoking on the Placenta
» Malformations Possibly Caused by Smoking
» Smoking and Sudden Infant Death Syndrome SIDS
» Effects of Nicotine on the Foetus
» Medical Care Costs Attributable to Smoking During Pregnancy
» ETS in the Workplace and at Home
» Fibrinogen Cholesterol Endothelium and Platelets
» Markers of Inflammation Changes at the Molecular and Cellular Level
» Passive Smoking During and After Pregnancy
» Coronary Heart Disease Cardiovascular Disease
» Stroke and Subarachnoid Haemorrhage
» Respiratory Tract in Children and Teenagers
» Bronchial Carcinoma Respiratory Tract
» Indications and Diagnostic Considerations
» Self-Help Interventions by the Smoker
» Physician Advice for Smoking Cessation
» Group Behaviour Therapy Programmes
» Mass Media Communication Strategies
» E-Learning, Email and Internet for Smoking Cessation
» Evaluation of Nicotine Products
» Nicotine Chewing Gum Nicotine
» Nicotine Sublingual Tablet Nicotine Nasal Spray
» Treatment and Dosage Nicotine
» Nicotine Chewing Gum Adverse Events Associated with NRT
» Nicotine Patch Adverse Events Associated with NRT
» Nicotine Nasal Spray Adverse Events Associated with NRT
» Nicotine Inhaler Adverse Events Associated with NRT
» Nicotine Sublingual Tablet Adverse Events Associated with NRT
» Nicotine Lozenge Adverse Events Associated with NRT
» Drug Interactions During Smoking Cessation
» Contraindications for the Use of Nicotine Products
» Nicotine Formulations as OTC Products
» Contraindications and Drug Interactions
» Tranquillisers and Buspirone Other Pharmacotherapies
» Various Antidepressants Other Pharmacotherapies
» Opioid Antagonists Other Pharmacotherapies
» Silver Acetate Other Pharmacotherapies
» Therapeutic Monitoring in Smoking Cessation
» Ischaemic Heart Disease Special Therapeutic Situations
» Pregnancy Special Therapeutic Situations
» Weight Gain Special Therapeutic Situations
» Alcohol Consumption Special Therapeutic Situations
» Organic Depression Organic Depression and Schizophrenia
» Schizophrenic Patients Organic Depression and Schizophrenia
» Interactions Between Cigarette Smoking and Administration of Psychopharmaceuticals
» Pre-operative Smoking Cessation Special Therapeutic Situations
» Social Influence Inoculation Strategy
» Life Skills Strategy Prevention Programmes for Schools
» Class 2000 Health Promotion Programme
» Trier University Health Programme Long-Term Studies
» Role of Teachers in Primary Prevention
» Prevention by Restricting Sales of Tobacco Products to Minors
» Role of the Mass Media in Sales of Tobacco Products to Adolescents
» Role of Government and Community in Primary Prevention
» Effect of Tobacco Industry Advertising Messages
» Tobacco Advertising and Adolescent Smoking Initiation
» Advertising with “Light” Cigarettes
» Smoking Bans in Public Buildings and Public Spaces
» Tobacco Industry, Governmental and Non-governmental Organisations
» Politicians and Their Attitude to Smoking
» Scientists and the Tobacco Industry
» Governmental Control of Toxic Tobacco Constituents
» Bans on Advertising in Various Countries
» Tobacco Industry: Playing Down the Risks of Smoking and Passive Smoking
» Smoking and Non-smoking: Weighing the Benefits
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