简介：Objective:ToidentifytheeffectofdyslipidemiaonauditoryfunctiondetectedbyPureToneAudiometry.Tocheckifdyslipidemiaworsensthehearinglevelindiabetics.Design:Thiswasacomparativestudywhere120subjectsbetweentheagegroupof20and50yearsunderwentpuretoneaudiometry,lipidprofileandbloodsugars.Group1consistedof30subjectswithtype2diabetesanddyslipidemia;Group2had30subjectswithisolateddiabetes;Group3had30withisolateddyslipidemiaandGroup4included30normalsubjectsascontrol.Results:Significanthearinglosswasseenonlyinthegroupwithisolateddiabetes(63%).Themostcommontypeofhearinglosswashighfrequencysensorineuralhearingloss.Whencomparisonwasmadebetweenthecombinationsofdifferentlipidprofiles,noassociationwasfoundtothelevelofhearing.Conclusions:Diabeticsaremorepronetohighfrequencyhearingloss.Alteredlipidprofilehasnoroleincausinghearingloss.

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简介：Objective:InfraredTympanicThermometer(ITT)isoneofthemostusefulinstrumentsforaccuratelymeasuringtemperature.TheeffectsofearpathologiesonITTmeasurementremainunclear.Thepurposeofthisstudyistodetermineiftympanicmembraneperforation(TMP)affectsITTmeasurementsinadultpatients.Materialandmethods:Atotalof90adultpatientswithmonauralcentralTMPwereenrolledinthisstudy.Patientswerecategorizedintothreesubgroupsaccordingtoperforationsize(1-3mm,4-7mm,and8-10mm).Thetympanictemperaturesoftheaffectedandunaffectedsites,andsubgroupswerecomparedwitheachother.Results:Thisstudycontained54(60%)malesand36(40%)femalesrangingfrom20to58yearsofage(meanage:30.74±9.61years).ThemeantympanictemperatureofthesideaffectedwithTMPwas36.34oC±0.61oC.Themeantympanictemperatureoftheunaffectedsidewithhealthyandintacttympanicmembranewas36.33oC±0.6oC.ThePearsoncorrelationscoreforthetympanictemperaturesandthesizeofTMPwas0.22whichwasnotsignificant(r=-0.12).Conclusion:TMPandperforationsizedonotaffectITTmeasurementsinadultpatients.

简介：Objective:TheobjectiveofthisstudywastoexaminetheeffectofhypothyroidismonhearingfunctioninpatientssurgicallytreatedfordifferentiatedthyroidcancerandsubsequentlyexperiencedhypothyroidismduringpreparationforfollowupI-131scintigraphyscanbyeitherrecombinanthumanthyroidstimulatinghormone(rhTSH)treatmentorthyroidhormonewithdrawal(THW).Methods:Atotalof55patientsundergoingI-131scintigraphyscanfollowingsurgeriesfordifferentiatedthyroidcancerwereincludedinthestudy,including25patientspreparedbyadministrationofrecombinantTSH(rhTSHGroup)and30patientsbythyroidhormonewithdrawal(THWGroup).Results:Airconductionthresholdsat1,2and4kHzforbothearswerehigherduringhypothyroidperiodthanduringeuthyroidperiodforpatientsintheTHWgroup(p<0.05)butnotforpatientsintherhTSHgroup.Conclusion:Sensorineuralhearinglosswasdetected,especiallyatlowfrequencies,inpatientswithDTCaftersurgicaltreatmentwhosehormonereplacementtherapywaswithdrawnbutnotinthosereceivingrhTSH.ItisthereforepreferredtouserhTSHwhenpreparingforI-131scintigraphyscaninpatientsatriskforhearingloss.