European journal of intensive care medicine最新文献_第4页

Bradycardia and cardiac arrest during tracheal suction--mechanisms in tetraplegic patients. 气管吸吸期间心动过缓和心脏骤停——四肢瘫痪患者的机制。

European journal of intensive care medicine Pub Date : 1976-01-01 DOI: 10.1007/BF00624607

C J Mathias

{"title":"Bradycardia and cardiac arrest during tracheal suction--mechanisms in tetraplegic patients.","authors":"C J Mathias","doi":"10.1007/BF00624607","DOIUrl":"https://doi.org/10.1007/BF00624607","url":null,"abstract":"The cardiovascular responses to tracheal suction were observed in 4 consecutive recently-injured tetraplegics with physiologically complete cervical spinal cord transections (C3-5) who were in spinal shock and needed artificial ventilation. In all 4 patients tracheal suction induced bradycardia and in 2 patients even cardiac arrest. The bradycardia occurred when the patients were hypoxic, and was prevented by the addition of oxygen to inspired air, or, if this was inadequate, by the administration of atropine. Two of the patients were agains studied several months later, after return of isolated spinal cord activity and spontaneous breathing. In both patients tracheal suction then caused tachycardia and increased respiratory effort. It is concluded that: 1. Tetraplegics with high cervical spinal cord transections who are in spinal shock and unable to breathe spontaneously are prone to bradycardia and cardiac arrest during tracheal suction. This is more likely to occur when they are hypoxic. 2. The bradycardia appears to be due to a vago-vagal reflex for both afferent and efferent limbs of the arc are in the vagus nerve. A number of factors play a part, including (I) absent sympathetic activity; (II) airway receptor stimulation; (III) hypoxia and (IV) the inability to breathe spontaneously (The pulmonary (inflation) vagal reflex which would normally oppose the cardio-inhibition caused by (II) and (III) is absent). 3. The bradycardia in response to tracheal suction can be prevented by adequate oxygenation, or if this cannot be achieved, by repeated atropine.","PeriodicalId":75836,"journal":{"name":"European journal of intensive care medicine","volume":"2 4","pages":"147-56"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/BF00624607","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11983793","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 50

Transcutaneous pO2 monitoring in anaesthesia. 麻醉中经皮pO2监测。

European journal of intensive care medicine Pub Date : 1976-01-01 DOI: 10.1007/BF00571894

R Dennhardt, M Fricke, S Mahal, A Huch, R Huch

引用次数: 12

The effect of respiration on the monitoring of stroke volume and cardiac output by the electrical impedance technique. 呼吸对电阻抗技术监测搏量和心输出量的影响。

European journal of intensive care medicine Pub Date : 1976-01-01 DOI: 10.1007/BF00571889

J Endresen, D W Hill

引用次数: 2

A defibrillatory trolley. 除颤器手推车。

European journal of intensive care medicine Pub Date : 1976-01-01 DOI: 10.1007/BF00571899

M F Jamieson

引用次数: 0

Multivariate data analysis based on a computerized patient monitoring system. 基于计算机化病人监护系统的多变量数据分析。

European journal of intensive care medicine Pub Date : 1975-12-01 DOI: 10.1007/BF00624438

E Freye, R Eberhard

引用次数: 1

Evaluation of a proposed index of myocardial blood flow in dogs. 犬心肌血流量指标的评价。

European journal of intensive care medicine Pub Date : 1975-12-01 DOI: 10.1007/BF00624434

H J Testa, B R Pullan, P A Tealey, P F Johnson, D J Rowlands

引用次数: 0

A computerized neurosurgical intensive care system. 计算机神经外科重症监护系统。

European journal of intensive care medicine Pub Date : 1975-12-01 DOI: 10.1007/BF00624437

J Szewczykowski, J Korsak-Sliwka, A Kunicki, S Sliwka, P Dytko

引用次数: 1

Furosemide, mithramycin, and salmon calcitonin in hypercalcemia. 速尿、米霉素和鲑鱼降钙素在高钙血症中的作用。

European journal of intensive care medicine Pub Date : 1975-12-01 DOI: 10.1007/BF00624436

J P Filastre, G Humbert, J Leroy, J Maitrot, P Deshayes, M A Canonne

引用次数: 3

The changes in blood resistivity with haematocrit and temperature. 血液电阻率随红细胞压积和温度的变化。

European journal of intensive care medicine Pub Date : 1975-12-01 DOI: 10.1007/BF00624433

S N Mohapatra, D W Hill

引用次数: 39

A computer model and a mechanical model of the circulation and their use in the evaluation of indices of myocardial blood flow. 循环的计算机模型和力学模型及其在心肌血流指标评价中的应用。

European journal of intensive care medicine Pub Date : 1975-12-01 DOI: 10.1007/BF00624435

H J Testa, B R Pullan, D J Rowlands

{"title":"A computer model and a mechanical model of the circulation and their use in the evaluation of indices of myocardial blood flow.","authors":"H J Testa, B R Pullan, D J Rowlands","doi":"10.1007/BF00624435","DOIUrl":"https://doi.org/10.1007/BF00624435","url":null,"abstract":"Computer and mechanical models of the circulation have been made to study isotopic techniques of determining indices of myocardial blood flow. Parameters in the program and dimensions in the mechanical model have been scaled to represent the human circulation. Single rapid injections of 131I labelled human serum albumen were given into the venous line of the mechanical model and records obtained from collimated scintillation detectors positioned over the heart, lung and brain. Similar injections and recordings were simulated in the computer model. Two indices of myocardial flow have been studied. The first, described by Mena et al. is the ratio of the half time of the downslope of the left ventricular curve to the half time of the downslope of the brain curve. This index distinguished myocardial flows of 0,5% and 10% of total cardiac output but was also affected by changes in cerebral flow. A new index is proposed in which the half time of the left ventricular curve downslope is related to the half time of the downslope of the lung curve. This index can distinguish myocardial flows of 0,5% and 10% total flow but is not affected by changes in cerebral flow.","PeriodicalId":75836,"journal":{"name":"European journal of intensive care medicine","volume":"1 4","pages":"175-83"},"PeriodicalIF":0.0,"publicationDate":"1975-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/BF00624435","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12395279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1