Obstructive sleep apnea-hypopnea syndrome immunological relationship

Obstructive sleep apnea-hypopnea syndrome(OSAHS)is a complex disorder cha-racterized by symptoms resulting from intermittent hypoxia and hypopnea,with research indicating a crucial role of immune system dysregulation and genetic variations in its pathogenesis.A recent Zhao et al study utilizes Mendelian ran-domization analysis to explore the causal relationship between immune cell characteristics and OSAHS.The study identifies specific lymphocyte subsets as-sociated with OSAHS,providing valuable insights into the disease's pathophy-siology and potential targets for therapeutic intervention.The findings underscore the significance of genetic and immunological factors in sleep disorders,offering a fresh perspective on OSAHS's complexities.Compared to existing literature,Zhao et al's study stands out for its focus on genetic markers and specific immune responses associated with OSAHS,expanding upon previous research primarily centered on systemic inflammation.In conclusion,the study represents a signi-ficant advancement in the field,shedding light on the causal role of immune cells in OSAHS and paving the way for future research and targeted treatments.

Clinical efficacy and mechanism study of mid-frequency anti-snoring device in treating moderate obstructive sleep apnea-hypopnea syndrome

BACKGROUND Obstructive sleep apnea-hypopnea syndrome(OSAHS)is primarily caused by airway obstruction due to narrowing and blockage in the nasal and nasopha-ryngeal,oropharyngeal,soft palate,and tongue base areas.The mid-frequency anti-snoring device is a new technology based on sublingual nerve stimulation.Its principle is to improve the degree of oropharyngeal airway stenosis in OSAHS patients under mid-frequency wave stimulation.Nevertheless,there is a lack of clinical application and imaging evidence.METHODS We selected 50 patients diagnosed with moderate OSAHS in our hospital between July 2022 and August 2023.They underwent a 4-wk treatment regimen involving the mid-frequency anti-snoring device during nighttime sleep.Following the treatment,we monitored and assessed the sleep apnea quality of life index and Epworth Sleepiness Scale scores.Additionally,we performed computed tomo-graphy scans of the oropharynx in the awake state,during snoring,and while using the mid-frequency anti-snoring device.Cross-sectional area measurements in different states were taken at the narrowest airway point in the soft palate posterior and retrolingual areas.RESULTS Compared to pretreatment measurements,patients exhibited a significant reduction in the apnea-hypopnea index,the percentage of time with oxygen saturation below 90%,snoring frequency,and the duration of the most prolonged apnea event.The lowest oxygen saturation showed a notable increase,and both sleep apnea quality of life index and Epworth Sleepiness Scale scores improved.Oropharyngeal computed tomography scans revealed that in OSAHS patients cross-sectional areas of the oropharyngeal airway in the soft palate posterior area and retrolingual area decreased during snoring compared to the awake state.Conversely,during mid-frequency anti-snoring device treatment,these areas increased compared to snoring.CONCLUSION The mid-frequency anti-snoring device demonstrates the potential to enhance various sleep parameters in patients with moderate OSAHS,thereby improving their quality of life and reducing daytime sleepiness.These therapeutic effects are attributed to the device’s ability to ameliorate the narrowing of the oropharynx in OSAHS patients.

Processing obstructive sleep apnea syndrome (OSAS) data

In this study, the EEG signals were processed. Thirteen ICA algorithms were tested to verify the performance efficiency. The EEG signals were recorder using 10/20 international system, based on a 20 minute sleep recording of a severe Obstructive Sleep Apnea Syndrome (OSAS) during NREM and REM sleep. Seven channels were used to record the EEG signals which are sampled at 100 Hz. The performance analysis of the algorithms were investigated to eliminate the loss of the informative EEG signal during the data processing. The denoising results were magnified with the purpose of evaluating the robustness of the denoising algorithms. From the result we obtained, we are able to understand the denoising algorithm is more suitable to process the EEG signal with lower amplitude.

Intermittent hypoxia is involved in gut microbial dysbiosis in type 2 diabetes mellitus and obstructive sleep apnea-hypopnea syndrome

BACKGROUND Obstructive sleep apnea(OSA)-hypopnea syndrome(OSAHS)has been recognized as a comorbidity of type 2 diabetes mellitus(T2DM);more than half of T2DM patients suffer from OSAHS.Intermittent hypoxia(IH)plays an important role in metabolic diseases,such as obesity and OSAHS,through various mechanisms,including altering the gut microecological composition and function.Therefore,it is important to study the role of gut microbiota in T2DM patients with OSAHS,which has a high incidence and is prone to several complications.AIM To assess whether IH is involved in altering the fecal microbiome in T2DM patients with OSAHS.METHODS Seventy-eight participants were enrolled from Henan Province People’s Hospital and divided into healthy control(HC,n=26),T2DM(n=25),and T2DM+OSA(n=27)groups based on their conditions.The fecal bacterial DNA of the research participants was extracted and subjected to 16S ribosomal RNA sequencing.The clinical indices,such as insulin resistance index,homocysteine(HCY)concentration,and the concentrations of inflammatory factors in the peripheral blood,were assessed and recorded.RESULTS Group T2DM+OSA had the highest apnea-hypopnea index(AHI)(2.3 vs 3.7 vs 13.7),oxygen desaturation index(0.65 vs 2.2 vs 9.1),HCY concentration(9.6μmol/L vs 10.3μmol/L vs 13.81μmol/L)and C-reactive protein(CRP)concentrations(0.3 mg/L vs 1.43 mg/L vs 2.11 mg/L),and lowest mean oxygen saturation(97.05%vs 96.6%vs 94.7%)among the three groups.Twelve and fifteen key differences in amplicon sequence variants were identified when comparing group T2DM+OSA with groups T2DM and HC,respectively.We found progressively decreased levels of Faecalibacterium,Eubacterium,and Lachnospiraceae,and an increase in the level of Actinomyces,which strongly correlated with the HCY,CRP,fasting plasma glucose,and hemoglobin A1c concentrations,AHI,mean oxygen saturation,and insulin resistance index in group T2DM+OSA(P<0.05).CONCLUSION For T2DM patients with OSAHS,IH may be involved in selective alterations of the gut microbiota,which may affect the pathophysiological development of T2DM and DM-related complications.

Effect of motivational interviewing on postoperative weight control in patients with obstructive sleep apnea-hypopnea syndrome

BACKGROUND Obesity is an important factor to cause the obstructive sleep apnea-hypopnea syndrome(OSAHS).Higher body mass index(BMI)often results in more severe OSAHS.Currently,the common measures for controlling the weight mainly include diet control,increase exercise and so on.Motivational interviewing(MI)could explore the patient’s internal state and make the patient realize his/her ambivalence,resulting in the change in his/her behavior.This process emphasizes respecting the patient’s autonomy.AIM To evaluate the effect of MI on the weight control of patients with OSAHS.METHODS A randomized controlled study was conducted in 100 obese OSAHS patients undergoing surgical treatment at Shengjing Hospital of China Medical University.The patients were divided into an intervention group and a control group,with 50 cases each.The control group was given routine health education after the operation;in addition to the regular health education,the intervention group was given MI according to a predetermined plan.Obesity-related indicators,postoperative complications,and the sleep status of both groups were evaluated before and 6 mo after the intervention.RESULTS Patients in the intervention group had significantly improved body weight,BMI,and waist and neck circumferences compared with patients in the control group(P<0.05).Regarding complications at 6 mo after operation,the incidence of cough and reflux in patients in the intervention group was significantly lower than that in the control group(P<0.05).In addition,the Epworth Sleepiness Scale and Self-Rating Scale of Sleep scores of patients in the intervention group were significantly lower than those in the control group,and the sleep status of patients in the intervention group was improved(P<0.05).CONCLUSION MI intervention has a significant advantage over postoperative routine health education.It can greatly change the lifestyle,further control the postoperative weight,reduce the occurrence of complications,improve the quality of sleep,and improve long-term postoperative efficacy in OSAHS patients.

Obstructive Sleep Apnea-Hypopnea Ssyndrome and Hearing in Children

Objective To explore the relationship between hypoxemia and hearing in children with obstructive sleep apnea-hypopnea syndrome. Methods Auditory brainstem responses (ABRs) were recorded in 68 ears and distortion product otoacoustic emissions (DPOAEs) in 60 ears in children with OSAHS and type "A" tym-panograms, and in 30 ears in normal children. Results ABR latencies of waves I, III and V, and I-III, III-V and I-V intervals were not statistically different between OSAHS and normal children. Wave I latency was delayed in children with OSAHS compared to normal children3 (P < 0.05). DPOAE amplitudes in children with mild OSAHS were lower than normal children at 8 kHz (P < 0.05). DPOAEs were lower at 6 kHz and 8 kHz in children with moderate/severe OSAHS than normal children (P < 0.05). Conclusion Cochlear function was affected when AHI was at or greater than 10/hour. ABR and DPOAE can be used to detect early changes in auditory function in children with OSAHS.

Relation between Obstructive Sleep Apnea-Hypopnea Syndrome and Glaucoma in a Sub-Saharan African Population

Introduction: Obstructive sleep apnea-hypopnea syndrome (OSAHS) is a frequent pathology worldwide whose main mechanism is a complete or partial obstruction of the upper airway. One of the pathophysiological mechanisms described in primary open-angle glaucoma is that hypoxia in the optic nerve progressively destroys the retinal cells leading to the onset and/or aggravation of glaucoma. The aim of the study was to evaluate the risk of OSA in patients with primary open-angle glaucoma. Methodology: An analytical study was conducted from January to May 2020 at the UHC. After obtaining ethical clearance, 112 patients including 50 glaucoma patients (44.64%) and 62 in the control group were enrolled. Sociodemographic and clinical data were collected from the medical records of the participants, with or without glaucoma, and a questionnaire was administered and a clinical examination performed. The STOP BANG score was used to determine the risk level of OSAHS. Statistical analyses were performed using Epi Info version 7.2. Results: A female predominance was found (60%) in the glaucoma group with a mean age of 55 ± 17 years against 49 ± 18 years in the control group. The high risk of OSAHS was more associated with glaucoma patients. In glaucoma patients, an association was found between high risk of OSAHS and snoring (OR = [1.43 - 849.53];p = 0.029) as well as insomnia (OR = [1.36 - 482.86];p = 0.030). Conclusion: High risk of OSAHS was found in participants with chronic open-angle glaucoma. Signs of OSAHS should be sought in chronic open-angle glaucoma as it may be a factor in its progression.

Characteristics of glucolipid metabolism as well as atherosclerosis in patients with obstructive sleep apnea-hypopnea syndrome combined with cerebral infarction

Objective:To evaluate the characteristics of glucolipid metabolism as well as atherosclerosis in patients with obstructive sleep apnea-hypopnea syndrome (OSAHS) combined with cerebral infarction.Methods:Patients who were treated in the hospital due to acute cerebral infarction between March 2015 and February 2018 were selected, and according to the combination of OSAHS, the 300 patients with cerebral infarction were divided into the cerebral infarction group A who were combined with OSAHS and the cerebral infarction group B who were not combined with OSAHS;the 100 cases of healthy volunteers who underwent physical examination in our hospital during the same period were selected as the control group. The contents of glucolipid metabolism indexes, cytokines and plaque hydrolysis molecules in serum were determined.Results: Serum F-Ins, TC, LDL-C, VE-cadherin, YKL-40, FKN, M-CSF, MCP-1, MMP9, Caspase-3, ICTP and VCAM-1 levels of cerebral infarction group A and cerebral infarction group B were significantly higher than those of control group whereas HDL-C levels were significantly lower than that of control group;serum F-Ins, TC, LDL-C, VE-cadherin, YKL-40, FKN, M-CSF, MCP-1, MMP9, Caspase-3, ICTP and VCAM-1 levels of cerebral infarction group A were significantly higher than those of cerebral infarction group B whereas HDL-C level was significantly lower than that of cerebral infarction group B.Conclusion: There are more significant glucolipid metabolism disorder and worse plaque stability in patients with OSAHS combined with cerebral infarction.

Reliability and Validity of Simplified Chinese STOP-BANG Questionnaire in Diagnosing and Screening Obstructive Sleep Apnea Hypopnea Syndrome

The main purpose of this study was to assess the reliability and validity of the simplified Chinese STOP-BANG Questionnaire(SBQ)as a diagnosing and screening tool for obstructive sleep apnea hypopnea syndrome(OSAHS).Two hundred and ten patients with suspected OSAHS were recruited in this study.The simplified Chinese SBQ was completed twice before and after polysomnography(PSG)monitoring.SPSS 20.0 was used to analyze the test-retest reliability,discriminant validity,comparative validity and predictive validity of the SBQ.Fourteen patients were excluded on account of fragmentary data,and valid 196 were divided into four groups:non-OSAHS group(n=28,14.29%),mild OSAHS group(n=28,14.29%),moderate OSAHS group(n=31,15.81%)and severe OSAHS group(n=109,55.61%).The test-retest coefficient tor the first four items was 0.810,0.679,0.775,0.963 respectively and the total score of the STOP questionnaire was 0.854.The analysis of discriminant validity revealed that there were significant differences among four groups in the total score of the SBQ and scores of item 1,3,7 and 8,which were also validated between patients with normal blood oxygen saturation and different degrees of hypoxemia.The SBQ evaluation showed low consistency with diagnostic gold standard PSG(k=0.3O3,P<0.05).When taking apnea hypopnea index(AHI)≥5/h,≥15/h and≥30/h as cut-offs to evaluate the SBQ predictive value,the areas under ROC curve were 0.77,0.81 and 0.78,the sensitivity was 90.48%,93.57%and 93.33%,and corresponding negative predictive values were 40.74%,66.67%and 85.19%,respectively.It was suggested that the simplified Chinese version of SBQ had good reliability,and could distinguish the severity of OSAHS.Despite its limited diagnostic accuracy,the SBQ can be considered as an ideal tool for screening OSAHS with superior predictive validity.

Serum Level of Vascular Endothelial Growth Factor in Patients with Obstructive Sleep Apnea Hypopnea Syndrome

To explore the relationship between the serum vascular endothelial growth factor （VEGF） level and the severity of obstructive sleep apnea hypopnea syndrome （OSAHS）, the concentrations of serum VEGF in 40 OSAHS patients and 9 healthy controls were measured by using ELISA method. Meanwhile the correlation between the concentration of VEGF and parameters of polysomnography （PSG） was examined. Our results showed that the concentrations of VEGF were significantly higher in OSAHS patients with severe hypoxia （536.8±334.7 pg/mL） than in those with mild hypoxia （329.2±174.7 pg/mL） and healthy controls （272. 8±211.0 pg/mL） （P〈0.05 for both）. The concentrations of VEGF were also significantly higher in OSAHS patients with hypertension （484.5±261.4 pg/mL） than in those without hypertension （311.0±158.4 pg/mL） and healthy controls （272. 8±211.0 pg/mL） （P〈0.05 for both）. There was a positive correlation between the concentration of VEGF and the apnea hypopnea index （AHI） （r=0.34, P〈0.05）. It is concluded that the concentration of the serum VEGF is positively related to the severity of OSAHS. The elevated serum VEGF level may be involved in the pathogenesis of the complications of obstructive sleep apnea hypopnea syndrome.

Postoperative secondary aggravation of obstructive sleep apneahypopnea syndrome and hypoxemia with bilateral carotid body tumor:A case report

BACKGROUND Carotid body tumor(CBT)is a chemoreceptor tumor located in the carotid body,accounting for approximately 0.22%of head and neck tumors.Surgery is the main treatment method for the disease.CASE SUMMARY We reviewed the diagnosis and treatment of one patient who had postoperative secondary aggravation of obstructive sleep apnea–hypopnea syndrome(OSAHS)and hypoxia after surgical resection of bilateral CBTs.This patient was admitted,and relevant laboratory and imaging examinations,and polysomnography(PSG)were performed.After the definitive diagnosis,continuous positive airway pressure(CPAP)treatment was given,which achieved good efficacy.CONCLUSION This case suggested that aggravation of OSAHS and hypoxemia is possibly caused by the postoperative complications after bilateral CBTs,and diagnosis by PSG and CPAP treatment are helpful for this patient.

A Very Severe Obstructive Sleep Apnea Syndrome: In a Cause of Resistant Hypertension with One Sample Case

When blood pressure values remain above the target in a hypertensive patient treated concomitantly with three anti-hypertensive drugs including a diuretic, maximum well-tolerated doses, this is a resistant arterial hypertension. In this case, it is advisable to look for a secondary cause such as a drug intake that influencing the blood pressure or the presence of obstructive sleeping syndrome (OSAS). We report a clinical case of a patient with a high cardiovascular risk at the age of 50, hypertensive and diabetic, with dyslipidemia and obesity. He was on anti-hypertensive triple therapy at an optimal dose. Her diabetes was balanced with 6.4% glycated hemoglobin. Dyslipidemia has being treated. Despite healthy diet including a low sodium diet and weight loss, blood pres- sure target was not reached. With self-measurement, the mean arterial pressure was 180/110 mmHg and on ABPM it was 167/113 mmHg. The ventilatory polygraphy finds a severe OSA with an IAH = 56.6. Treatment with PCP (Con- tinuous positive pressure) allowed this patient to control blood pressure. The search for OSA should be systematic in face of resistant hypertension, in par- ticular in overweight or obese patients.

Meta-analysis of randomized controlled trials of traditional Chinese medicine in the treatment of obstructive sleep apnea syndrome

Objective:Though Chinese medicine(CM)has showed its clinical efficacy for the treatment of obstructive sleep apnea(OSA)in China,no systematic reviews or meta-analyses provide evidences for its therapeutic effects on OSA and the long-term safety.The aim of the present study is to evaluate the effectiveness and safety of CM on OSA using meta-analysis.Methods:We used search items of"Chinese Medicine"AND"obstructive sleep apnea"to retrieve the randomized control trials(RCTs)of CM treatments for OSA in PubMed,Embase,Cochrane Library,China National Knowledge Infrastructure(CNKI),VIP database,and Wanfang database from their respective inception dates to December 2019.Only RCTs of CM therapy versus no treatment which could be quantitatively synthesized were included.Finally,20 studies representing 1,297 participants were included after extraction.Two investigators independently extracted and analyzed the data using RevMan5.3 software.Results:The treatment group using CM decoctions or CM granules presented significantly ameliorative effects on apnoea-hypopnoea index(AHI)compared with the control group(MD:-2.58,95%CI:-3.59 to-1.56,P<0.00001 and MD:-5.47,95%CI:-6.75 to-4.19,P<0.00001,respectively)in the sensitivity analysis.However,there were non significant differences in the duration of treatment between subgroups,indicating that the duration of treatment has no impacts on the therapeutic effects on AHI.CM granules also showed significantly ameliorative effects on the lowest nocturnal oxygen saturation(LSaO2)(MD:2.76,95%CI:1.85 to 3.68,P<0.00001).CM decoctions exhibited significantly improved Epworth Sleepiness Scale(ESS)scores compared with the control group in a sensitivity analysis(MD:-1.50,95%CI:-2.13 to-0.88,P<0.00001).CM granules showed a better improvement of ESS than the control group(MD:-1.35,95%CI:-1.92 to-0.78,P<0.00001).Mild adverse reactions occurred only in five patients and disappeared without special treatment.Conclusion:This study showed favorable therapeutic efficacy of CM on OSA.However,in consideration of the low methodological quality of the included RCTs,more rigorous designed,large sample size RCTs are recommended for providing more high-quality evidences.

腭咽成形术对OSAS伴心血管病并发症疗效的临床观察

严重的睡眠期打鼾、呼吸暂停可引起明显的心血管系统并发症。报告34例右明显心血管病,同时患有严重OSAS的患者,通过腭咽成形术治疗后,鼾声、呼吸暂停治愈或基本治愈,不服药高血压恢复正常或近正常水平,冠心病、心律失常症状消失或基本消失。并能有效地颅防心性猝死,降低了心血管病的病死率。对OSAS与高血压、心律失常的关系进行了讨论。

无创经皮电刺激仪治疗OSAS的实验研究和临床疗效

研究采用经皮双向电流脉冲刺激舌下颏舌肌作为治疗阻塞性睡眠呼吸暂停综合征(O bstructive sleepapnea syndrom e,O SA S)的一种新方法。采用多导睡眠图同步监测患者,当发生睡眠呼吸暂停时及时给予最佳参数的电刺激,使得以颏舌肌为主的上气道扩张肌促使舌体向前运动,扩大舌咽气道,降低上气道阻力,改善夜间低氧血症,改善睡眠结构。临床疗效结果表明,22名O SA S患者经我们治疗后显效17名,好转2名,无效3名,有效率77.27%。初步证明这是一种的治疗O SA S的新方法。

CPAP对OSAS小型猪上气道结构和功能的影响

观察持续气道正压通气(Continuous positive airway pressure,CPAP)对阻塞性睡眠呼吸暂停综合征(OSAS)小型猪上气道结构和功能的影响。12只雄性成年小型猪随机分为A、B两组,给予连续22d、6h/d低压低氧处理。之后A组再给予30d、6h/d的CPAP治疗,B组饲养30d。低压低氧处理和CPAP治疗后,小型猪均行咽部CT扫描、口咽部呼吸压力检查,之后处死动物,取咽部组织行光镜检查。咽部CT扫描显示,A组CPAP治疗后舌骨前区,舌骨后区咽腔左右径显著增大(P<0.05),咽腔前后径无显著变化(P>0.05);舌骨前区后壁厚度较治疗前显著增加(P<0.05),侧壁厚度无显著差异(P>0.05);A组CPAP治疗后较B组咽腔前后径数值减小,左右径数值增大,但均无统计学意义(P>0.05)。A组CPAP治疗后软腭区、舌骨前区咽腔后壁显著较B组厚(P<0.05),侧壁厚度较B组无显著差异(P>0.05)。A组CPAP治疗后,咽部吸气负压较治疗前显著减小(P<0.05),亦低于B组(P<0.05)。光镜下,A组CPAP治疗后局部上皮组织增生,固有层炎症细胞浸润;咽肌横纹不清,局部肌纤维结构模糊,肌间隙有脂肪;B组病变程度较A组重。结果提示CPAP治疗使可OSAS小型猪上气道结构和功能趋于正常。

CPAP对OSAS小型猪睡眠生理学影响

研究持续气道正压通气(CPAP)对阻塞性睡眠呼吸暂停综合征(OSAS)小型猪睡眠生理的影响。12只成年雄性小型猪随机分为A、B两组,均予22d、6h/d间歇性低压低氧处理。之后A组再给予30d、6h/d的CPAP治疗,B组饲养30d。低压低氧处理及CPAP治疗后,均行睡眠监测、咽部吸气负压检查。由软件得出呼吸暂停低通气指数(Apnea hypopnea index,AHI)、呼吸暂停指数(Apnea index,AI)、低通气指数(Hypopnea index,HI)、平均血氧饱和度(SpO2)。A组CPAP治疗后较治疗前AHI、AI均显著减少(P<0.05);而SpO2显著提高(P<0.05);HI无显著改变。A组CPAP治疗后AHI、AI、HI均显著低于B组(P<0.05);SpO2则显著高于B组(P<0.05)。B组饲养30d前后AHI、AI、HI、SpO2无显著差异。A组CPAP治疗后咽部吸气负压较治疗前显著降低(P<0.05),并低于B组(P<0.05);B组30d后吸气负压增大(P<0.05)。结果提示CPAP治疗可显著改善OSAS小型猪的睡眠生理学指标。

深麻醉下拔管对小儿OSAS手术麻醉术后躁动的影响

探讨深麻醉下拔管对小儿阻塞性睡眠呼吸暂停综合征（obstructive sleep apnea syndrome ，OSAS）手术麻醉术后躁动的影响。选择小儿扁桃体和（或）腺样体刮除手术60例（4岁-12岁），随机分成观察组（A ）和对照组（B ），每组30例。B组患者清醒拔管，A组在肌松药作用消除及患者有满意自主呼吸频率及潮气量下，于麻醉状态下拔管。比较拔管即刻（T1）、拔管后5min（T2）、10min（T3）平均动脉压，心率情况及两组在 T1，T2时刻血氧饱和度＜95％、呛咳、喉痉挛的发生率和拔管后10min、20min、30min、60min的躁动评分。A组平均动脉压和心率明显低于B组，A组在T1时刻的血氧饱和度＜95％、呛咳、喉痉挛的发生率明显低于B组；A组躁动评分拔管后明显低于B组。深麻醉下拔管可以预防浅麻醉下拔管引起的低氧饱和度、呛咳、躁动和喉痉挛，可有效防止应激反应，提高患者麻醉舒适度，安全可行。

OSAS合并冠心病患者呼吸暂停低通气指数对动脉硬化指数的影响

目的探讨阻塞性睡眠呼吸暂停综合征(OSAS)合并冠心病(CAD)患者呼吸暂停低通气指数(AHI)对动脉硬化指数(ASI)的影响。方法82例患者依据冠状动脉造影(CAG)以及多导睡眠仪监测(PSG)分为对照组25例、单纯OSAS组6例,单纯CAD组15例、OSAS+CAD组36例,分别测患者AHI以及ASI。结果ASI值OSAS+CAD组高于单纯CAD组(77.44±47.68比54.53±14.39),有统计学差异(P=0.002),OSAS+CAD组中ASI值与AHI值呈正相关(r=0.786,P<0.01)。结论CAD患者合并存在OSAS时动脉硬化程度与OSAS严重度呈正相关。

口腔矫治器治疗OSAS的疗效观察

目的 :评价矫治器治疗阻塞性睡眠呼吸暂停综合症 (OSAS)的疗效。方法 :18例经呼吸科确诊的OSAS患者 ,男14例 ,女4例 ,平均年龄 (54.2±7.9)岁,体重指数为 (29.6±3.9)kg/m2,呼吸紊乱指数 (AHI)为48土12,使用多导睡眠图仪 (PSG)和核磁共振成像 (MRI)测量患者的呼吸变量和头影变量。结果 :患者呼吸紊乱指数 ,呼吸暂停指数 ,低通气指数和血氧饱和度使用前后有显著性改善。结论 :矫治器是治疗OSAS的一种有效方法。