BACKGROUND Acute exacerbation of chronic obstructive pulmonary disease(AECOPD)is often combined with respiratory failure,which increases the patient's morbidity and mortality.Diaphragm ultrasound(DUS)has developed...BACKGROUND Acute exacerbation of chronic obstructive pulmonary disease(AECOPD)is often combined with respiratory failure,which increases the patient's morbidity and mortality.Diaphragm ultrasound(DUS)has developed rapidly in the field of critical care in recent years.Studies with DUS monitoring diaphragm-related rapid shallow breathing index have demonstrated important results in guiding intensive care unit patients out of the ventilator.Early prediction of the indications for withdrawal of non-invasive ventilator and early evaluation of patients to avoid or reduce disease progression are very important.AIM To explore the predictive value of DUS indexes for non-invasive ventilation outcome in patients with AECOPD.METHODS Ninety-four patients with AECOPD who received mechanical ventilation in our hospital from January 2022 to December 2023 were retrospectively analyzed,and they were divided into a successful ventilation group(68 cases)and a failed ventilation group(26 cases)according to the outcome of ventilation.The clinical data of patients with successful and failed noninvasive ventilation were compared,and the independent predictors of noninvasive ventilation outcomes in AECOPD patients were identified by multivariate logistic regression analysis.RESULTS There were no significant differences in gender,age,body mass index,complications,systolic pressure,heart rate,mean arterial pressure,respiratory rate,oxygen saturation,partial pressure of oxygen,oxygenation index,or time of inspiration between patients with successful and failed mechanical ventilation(P>0.05).The patients with successful noninvasive ventilation had shorter hospital stays and lower partial pressure of carbon dioxide(PaCO_(2))than those with failed treatment,while potential of hydrogen(pH),diaphragm thickening fraction(DTF),diaphragm activity,and diaphragm movement time were significantly higher than those with failed treatment(P<0.05).pH[odds ratio(OR)=0.005,P<0.05],PaCO_(2)(OR=0.430,P<0.05),and DTF(OR=0.570,P<0.05)were identified to be independent factors influencing the outcome of mechanical ventilation in AECOPD patients.CONCLUSION The DUS index DTF can better predict the outcome of non-invasive ventilation in AECOPD patients.展开更多
Assessing diaphragm function status is vital for diagnosing and treating acute exacerbation of chronic obstructive pulmonary disease(AECOPD).Diaphrag-matic ultrasound has become increasingly important due to its non-i...Assessing diaphragm function status is vital for diagnosing and treating acute exacerbation of chronic obstructive pulmonary disease(AECOPD).Diaphrag-matic ultrasound has become increasingly important due to its non-invasive nature,absence of radiation exposure,widespread availability,prompt results,high accuracy,and repeatability at the bedside.The diaphragm is a crucial respiratory muscle.Decline or dysfunction of the diaphragm can lead to dyspnea and even respiratory failure in AECOPD patients.In this editorial,we comment on an article,retrospectively analyzed ninety-four acute exacerbations of chronic obstructive pulmonary disease patients who received mechanical ventilation from January 2022 to December 2023.The study found that the diaphragm thickening fraction,an index from diaphragm ultrasound,can better predict the outcome of non-invasive ventilation in patients with AECOPD.The value of non-invasive ventilation in treating respiratory failure caused by AECOPD has been widely acknowledged.Diaphragmatic dysfunction diagnosed with ultrasound is asso-ciated with prolonged mechanical ventilation and weaning times and higher mortality.展开更多
目的研究肺部超声B线评分联合膈肌功能相关参数对重症机械通气患者撤机成功的预测价值。方法选取2021年4月至2023年8月我院收治的重症机械通气患者115例,针对符合撤机条件患者行肺超声检查计算B线评分,并用T管行自主呼吸实验(spontaneou...目的研究肺部超声B线评分联合膈肌功能相关参数对重症机械通气患者撤机成功的预测价值。方法选取2021年4月至2023年8月我院收治的重症机械通气患者115例,针对符合撤机条件患者行肺超声检查计算B线评分,并用T管行自主呼吸实验(spontaneous breathing trial,SBT),SBT 30 min时通过床旁超声获取右侧膈肌移动度、膈肌厚度,计算呼吸浅快指数、膈肌呼吸浅快指数、膈肌厚度变化率。以患者撤机后48 h呼吸状况分为撤机成功组78例和撤机失败组37例,收集患者临床资料。通过多元logistic回归分析影响撤机成功的相关因素,并通过受试者工作特征曲线(receiver operating characteristic,ROC)评估肺部超声B线评分联合膈肌功能相关参数对撤机的预测价值。结果撤机失败组肺部超声B线评分、膈肌呼吸浅快指数大于撤机成功组,右侧膈肌移动度、膈肌厚度变化率小于撤机成功组(P<0.05)。撤机失败组急性生理学与慢性健康状况评分系统Ⅱ(Acute Physiology and Chronic Health Evaluation,APACHE-Ⅱ)评分、序贯器官衰竭评分(Sequen⁃tial Organ Failure Assessment,SOFA)、呼吸频率、呼吸浅快指数高于撤机成功组,机械通气时间少于撤机成功组(P<0.05)。经logistic回归结果得出,肺部超声B线评分、膈肌呼吸浅快指数、右侧膈肌移动度、膈肌厚度变化率、APACHE-Ⅱ评分、SOFA评分、呼吸频率、呼吸浅快指数是撤机成功重要影响因素(P<0.05)。经ROC曲线分析得出,肺部超声B线评分、膈肌呼吸浅快指数、右侧膈肌移动度、膈肌厚度变化率联合预测曲线下面积(area under curve,AUC)为0.931,优于单一预测结果(P<0.05)。结论肺部超声B线评分联合膈肌功能相关参数对重症机械通气患者撤机成功的预测价值较高。展开更多
文摘BACKGROUND Acute exacerbation of chronic obstructive pulmonary disease(AECOPD)is often combined with respiratory failure,which increases the patient's morbidity and mortality.Diaphragm ultrasound(DUS)has developed rapidly in the field of critical care in recent years.Studies with DUS monitoring diaphragm-related rapid shallow breathing index have demonstrated important results in guiding intensive care unit patients out of the ventilator.Early prediction of the indications for withdrawal of non-invasive ventilator and early evaluation of patients to avoid or reduce disease progression are very important.AIM To explore the predictive value of DUS indexes for non-invasive ventilation outcome in patients with AECOPD.METHODS Ninety-four patients with AECOPD who received mechanical ventilation in our hospital from January 2022 to December 2023 were retrospectively analyzed,and they were divided into a successful ventilation group(68 cases)and a failed ventilation group(26 cases)according to the outcome of ventilation.The clinical data of patients with successful and failed noninvasive ventilation were compared,and the independent predictors of noninvasive ventilation outcomes in AECOPD patients were identified by multivariate logistic regression analysis.RESULTS There were no significant differences in gender,age,body mass index,complications,systolic pressure,heart rate,mean arterial pressure,respiratory rate,oxygen saturation,partial pressure of oxygen,oxygenation index,or time of inspiration between patients with successful and failed mechanical ventilation(P>0.05).The patients with successful noninvasive ventilation had shorter hospital stays and lower partial pressure of carbon dioxide(PaCO_(2))than those with failed treatment,while potential of hydrogen(pH),diaphragm thickening fraction(DTF),diaphragm activity,and diaphragm movement time were significantly higher than those with failed treatment(P<0.05).pH[odds ratio(OR)=0.005,P<0.05],PaCO_(2)(OR=0.430,P<0.05),and DTF(OR=0.570,P<0.05)were identified to be independent factors influencing the outcome of mechanical ventilation in AECOPD patients.CONCLUSION The DUS index DTF can better predict the outcome of non-invasive ventilation in AECOPD patients.
文摘Assessing diaphragm function status is vital for diagnosing and treating acute exacerbation of chronic obstructive pulmonary disease(AECOPD).Diaphrag-matic ultrasound has become increasingly important due to its non-invasive nature,absence of radiation exposure,widespread availability,prompt results,high accuracy,and repeatability at the bedside.The diaphragm is a crucial respiratory muscle.Decline or dysfunction of the diaphragm can lead to dyspnea and even respiratory failure in AECOPD patients.In this editorial,we comment on an article,retrospectively analyzed ninety-four acute exacerbations of chronic obstructive pulmonary disease patients who received mechanical ventilation from January 2022 to December 2023.The study found that the diaphragm thickening fraction,an index from diaphragm ultrasound,can better predict the outcome of non-invasive ventilation in patients with AECOPD.The value of non-invasive ventilation in treating respiratory failure caused by AECOPD has been widely acknowledged.Diaphragmatic dysfunction diagnosed with ultrasound is asso-ciated with prolonged mechanical ventilation and weaning times and higher mortality.
文摘目的研究肺部超声B线评分联合膈肌功能相关参数对重症机械通气患者撤机成功的预测价值。方法选取2021年4月至2023年8月我院收治的重症机械通气患者115例,针对符合撤机条件患者行肺超声检查计算B线评分,并用T管行自主呼吸实验(spontaneous breathing trial,SBT),SBT 30 min时通过床旁超声获取右侧膈肌移动度、膈肌厚度,计算呼吸浅快指数、膈肌呼吸浅快指数、膈肌厚度变化率。以患者撤机后48 h呼吸状况分为撤机成功组78例和撤机失败组37例,收集患者临床资料。通过多元logistic回归分析影响撤机成功的相关因素,并通过受试者工作特征曲线(receiver operating characteristic,ROC)评估肺部超声B线评分联合膈肌功能相关参数对撤机的预测价值。结果撤机失败组肺部超声B线评分、膈肌呼吸浅快指数大于撤机成功组,右侧膈肌移动度、膈肌厚度变化率小于撤机成功组(P<0.05)。撤机失败组急性生理学与慢性健康状况评分系统Ⅱ(Acute Physiology and Chronic Health Evaluation,APACHE-Ⅱ)评分、序贯器官衰竭评分(Sequen⁃tial Organ Failure Assessment,SOFA)、呼吸频率、呼吸浅快指数高于撤机成功组,机械通气时间少于撤机成功组(P<0.05)。经logistic回归结果得出,肺部超声B线评分、膈肌呼吸浅快指数、右侧膈肌移动度、膈肌厚度变化率、APACHE-Ⅱ评分、SOFA评分、呼吸频率、呼吸浅快指数是撤机成功重要影响因素(P<0.05)。经ROC曲线分析得出,肺部超声B线评分、膈肌呼吸浅快指数、右侧膈肌移动度、膈肌厚度变化率联合预测曲线下面积(area under curve,AUC)为0.931,优于单一预测结果(P<0.05)。结论肺部超声B线评分联合膈肌功能相关参数对重症机械通气患者撤机成功的预测价值较高。
