The Effect Of CPAP Therapy On Dizziness Patients

Objective:In recent years,with the improving of people's living standard,our country has entered the aging time,and with the increasing social pressure,sleep disorder has been getting more and more attention.At the same time,dizziness,as a common clinical symptom,has been paid more and more attention by doctors.Dizziness patients accompanied by anxiety or depression has been widely recognized,and anxiety or depression can lead to different levels of sleep disorder.Some scholars have found that patients with Meniere's disease have sleep troubles,and achieved remarkable curative effect with the application of CPAP.Therefore,we consider that if the patients has dizziness and sleep disoreder,the two symptom can reinforce each other.And then doctors have a hard work to do with decreasing their dizziness.CPAP is currently recognized as the preferred treatment for OSAHS.Wether it can alse relieve the patients dizziness through improve their sleep,or not?To implore the effect of CPAP(Continuous Positive Airway Pressure)therapy on dizziness patients and its mechanism.Method:75 dizziness patients who visited Sleep Disorder Center of Nagoya City University were enrolled from September 2011 to November2014.All patients accepted polysomnographic test,Dizziness Handicap Inventory,Pitsburgh Sleep Quality Index and Epworth Sleepiness Scale before and after CPAP therapy.Patients were divided into two groups according to a polysomnographic test:OSAHS group(AHI?15)and without OSAHS group(AHI<15);divided into three groups according to Dizziness Handicap Inventory score:mild dizziness group(0<DHI?30),moderate dizziness group(30<DHI?60),severe dizziness group(60<DHI?100);divided into three groups according to therapy time:(0~<3)months group,(3~<6)months group,(6~<12)months group;divided into four groups according to age:youngth group(age<45),middle age group(45?age<60),younger old group(60?age<75)and old group(age?75).Result:(1)There was a significant difference in all dizziness patients before and after CPAP therapy according DHI.(2)The effectiveness of CPAP therapy between OSAHS group and without OSAHS group have no difference(P=0.102),but we found that CPAP therapy could modify OSAHS group sleep disorder.(3)Different levels of dizziness had no impact on improving DHI during CPAP therapy(P=0.198).However,the effectiveness of modifying mild dizziness is more significant than other group.And with the level of dizziness creasing,the effictiveness decreased.(4)Treating by CPAP after three months could significant improve patients dizziness(P=0.002).After 6 months of treatment,the patient's dizziness symptoms reached a stable curative effect,and prolong treatment time,the effectiveness not improved;(5)The dizziness of the patients in younger old group and old group have significant difference after CPAP therapy(P=0.002,P=0.001),but only younger old group has better sleep.Conclusions: The level of dizziness with sleep disorder were significantly improved after CPAP therapy only.