Bakomliggande faktorer till presbyacusis; en litteraturstudie av mindre kända faktorer
AudiologiPresbyacusisHörselnedsättningäldreåldersrelaterad hörselnedsättningOrsakerFaktorerHjärt- och kärlsjukdomaröstrogenKostDrogerAudiologyPresbyacusisHearing lossElderlyAge related hearing lossCausesFactorsCardiovascular diseaseEstrogenDietDrugs
Background: More than half of the elderly (65-84 years) in Sweden have problems with hearing. In some studiesit?s discussed if age related hearing loss or presbyacusis is a part of natural aging or if it depends on underlyingfactors.The purpose of this literature study was to analyse scientific papers which illustrate correlations between lessknown underlying factors and presbyacusis, defined from psychoacoustic and/or neurofysiological tests.Material and method; Literature study where scientific papers, relevant to the purpose of the study and thequestions at issue were found in the database PubMed.The result shows that cardiovascular disease, hormones, diet and drugs have an influence on presbyacusis. Thehealth condition of the individual and their lifestyle matters, likewise estrogen which according to the results of 2studies has a protective effect on hearing.Conclusion; The studies show that heart attack and high systolic blood pressure in women have a correlation topresbyacusis, but not in men, - the hormone estrogen, - some vitamins, antioxidants and diet have a protectiveeffect on hearing and studies show that smoking and alcohol have negative effects.