气道阻力

目的了解应用单阻断法与常规肺功能测量气道阻力（Raw）的相关性。

Objective To study the correlation between interrupter technique to measure airway resistance and routine pulmonary function ( Raw ) .

对300名12～19岁的青少年用阻断法在RM－6000型四道生理仪上作了气道阻力（Raw）的测定。

The airway resistance ( Raw ) was determined with interruption technique in 300 normal adolescents aged 12 to 19 years on the RM 6000 polygraph system .

无创双水平正压通气对缓解期COPD患者气道阻力的影响

The Influence of Noninvasive Bi-level Positive Airway Pressure in Stable COPD Patients ' Respiratory Impedance

NGF对哮喘小鼠气道阻力和肺组织Akt/PKB表达的影响

The Regulatory Effect of NGF on Airway Resistance and the Expression of Akt / PKB in the Lung of the Asthmatic Mouse

S组和D组给药后各时间点的气道阻力、肺顺应性和气道压与基础值比差异没有显著性意义（P0.05）；

The airway resistance , pulmonary compliance , and airway pressure after intubation were not significantly different from basic values in group S and D ( P 0 . 05 ) .

气道阻力（Rrs）；

Resistance of airway ( Rrs );

HCS或ATP降压期均无肺顺应性、气道阻力及气道峰值压力变化。

Lung compliance , air way resistance and peak pressure does not change at induced hypotension with either HCS or ATP .

结论COPD患者肺移植术后肺通气、气道阻力、残气、弥散、运动耐力及气体交换功能均明显改善。

Conclusion Spirometry , airway resistance , residual capacity , diffusion capacity , exercise tolerance and gas exchange were improved remarkably after lung transplantation in COPD patients .

结论：主动脉硬化加重与气道阻力严重性相关，并且可能是COPD患者发生心血管疾患的危险因素之一。

Conclusions : Increased arterial stiffness was related to the severity of airflow obstruction and may be a factor in the excess risk for cardiovascular disease in COPD .

结论COPD急性加重期较稳定期肺功能显著下降，肺过度充气和外周气道阻力增加是急性加重期肺功能恶化的主要原因。

Conclusions Pulmonary function of COPD decreased significantly from stable stage to exacerbation , the main reasons of which were hyperinflation and the increasing of peripheral airway resistance .

计算气道阻力时取三次呼吸曲线平均值为X5。

Calculation of airway resistance with three breath curve average values for X5 .

摘要：目的：探讨吸烟对鼻气道阻力（NAR）的影响。

Objective : To discuss the influence of smoking on nasal airway resistance ( NAR ) .

应用主动性前鼻测压法比较了运动和鼻粘膜减充血剂对鼻气道阻力（NAR）的影响。

The effect of both physical exercise and nasal decongestant on NAR was compared using active anterior rhinomanometry .

目的探讨睡眠呼吸暂停低通气综合征（OSAHS）患者气道阻力、脉压的变化及其关系。

Objective To investigate the changes of airway resistance and pulse pressure in patients of obstructive sleep apnea-hypopnea syndrome ( OSAHS ) .

结论IOS技术可作为用于检测OSAS患者上气道阻力的一种方法，并且有助于其病理机制的探讨。

Conclusion IOS technique is a valuable tool for assessing the degree of upper airway obstruction in patients with OSAS , and can help to explore its pathological mechanism .

结果13例患者中，8例通气24h后，另5例行BAL24h内气道阻力逐渐下降，临床症状好转，缺O2及CO2潴留得到改善。

Results In 8 patients of 13 after mechanical ventilation , and 5 patients after bronchoalveolar lavage , the airway resistance descend gradually ; clinical symptom improve ; anoxia and carbon dioxide retention ameliorate after 24 hours .

22例随访2～5年疗效，并测定患者最大呼气流量容积曲线（MEFV）、气道阻力及血气指标。

After 2 ~ 5 years following up , MEFV 、 airway elastic resistance and blood-gas were measured in 22 patients .

目的了解肺癌患者肺功能最大呼吸流速容量曲线（MEFV）变化的意义及其变化与气道阻力（Raw）、用力肺活量（FVC）测定相关性。

Objective To explore pulmonary function maximal expiratory flow volume curve ( MEFV ) and relation between MEFV and airway resistance ( Raw ), forced vital capacity ( FVC ) with lung cancer .

结果显示鼻腔最狭窄面积（MCSA）位于鼻腔前部，与鼻气道阻力（VAR）主要产生部位相吻合；

The results showed that the minimal cross-sectional area ( MCSA ) was located in the anterior part of the nasal cavity corresponding to the area causing main nasal airway resistance ( NAR ) .

在围术期用BicoreCP-100呼吸功能监测仪监测胸肺顺应性、气道阻力、呼吸功等呼吸动力学指标的变化。

Measurements of respiratory compliance , resistance and breathing work were performed by BICORE CP-100 monitor perioperatively .

测定全血一氧化碳血红蛋白（COHb）的百分比含量、气道阻力并观察气道壁嗜酸性粒细胞（EOS）浸润情况，用免疫组织化学染色方法观察HO1在豚鼠肺组织中的表达变化。

Blood carbon monoxide Hb ( COHb ) percent value , Airway resistance and eosinophilic inflammation of airway wall were observed , the expression of HO 1 in lung tissue were observed by immunohistochemical staining .

结果显示COPD周边气道阻力明显增加，中心气道阻力轻度增加，阻抗（Zrs）和共振频率（Fres）明显增高，周边电抗下降。

Results For the COPD patients , their periphery airway obstructive pressure markedly increased , their central airway obstructive pressure slightly increased , their Zrs and frequency obviously increased and their periphery electro-resistance decreased .

于入院后1h到生后7d进行肺动态顺应性（CL），呼吸功（WOB），气道阻力（Raw），潮气量（VT）及每分通气量（VE）等肺功能指标测试。

Measurements of pulmonary function were made in all babies from 1 hour after hospital admission to the birth age of 7 days . The parameters included lung dynamic compliance , work of breathing , airway resistance , tidal volume and minute ventilation .

目的：研究腺苷受体激动剂R-苯异丙基腺苷（N6-phenyl-2R-isopropyl-adenosine，R-PIA）对实验性哮喘豚鼠气道阻力、肺顺应性的影响。

AIM : To evaluate the role of inhaling N 6-phenyl-2R-isopropyl-adenosine ( R-PIA ) on the airway resistance and pulmonary compliance of experimental asthmatic guinea-pigs .

方法对30例COPD患者分别于急性加重期和稳定期进行Borg气急指数评估、肺通气功能检测、肺容量检测、体积描记法总气道阻力（Rtot）测定和呼吸阻抗、呼吸阻力检测。

Methods Borg scores , ventilation function , pulmometry , total airway resistance ( Rtot ), impedance and resistance of respiratory system were measured both in exacerbation and stable stage in 30 patients with COPD .

方法选取确诊的COPD患者56例进行6min步行试验（6MWT）并测定血气分析、肺功能、气道阻力、顺应性、呼吸中枢驱动和乳酸等指标。

Methods Six minute walk test ( 6MWT ), blood gas analysis , lung function , air way resistance , compliance , respiration center drive and lactic acid were detected in 65 patients who were diagnosed COPD .

本文以肾上腺切除（ADX）哮喘模型和ADX捆绑处理作为对照组，观察了针刺对ADX大鼠哮喘模型肺功能（气道阻力和肺顺应性）的影响。

The lung function of adrenalectomized ( ADX ) rats with asthma was observed after acupuncture , the ADX rats and restrained ADX rats with asthma and without acupuncture were used as two control groups .

方法：对血清检测MP-IgM阳性的病人，分别进行治疗期、治疗后IOS气道阻力测定，并分析其变化，同时测定哮喘发作期及恢复期IOS肺功能。

Methods : To examine the male patient in MP-IgM to the serum , examine the IOS spirit a resistance in curing and after curing , and analyze its variate , at the same time , examine IOS lung function when the asthma acting period , and convalescent period .

结论睡眠时，正常人呼吸中枢对上气道阻力增加可产生较有效的代偿，呼吸驱动穴P0.1雪维持在清醒时水平鸦在NREM睡眠期，呼吸中枢的化学敏感性降低不明显；

Conclusions Sleep has significant influence on respiratory regulation in normal people . The respiratory drive ( P0.1 ) in both NREM and REM sleep stages could maintain the awake level due to an effective compensation to the increase of upper airway resistance .

用硫喷妥钠5mg/kg、维库溴铵地0.1mg/kg静注后气管插管，随后连接Astiva3000型麻醉机测定气道阻力、肺顺应性和气道压。

Anesthesia was induced with thiopental ( 5 mg / kg ) and vecuronium ( 0 . 1 mg / kg ) . Patients were intubated and mechanically ventilated ( Astiva 3000 , Ohmeda ) . Airway resistance , pulmonary compliance , and airway pressure were measured .