International journal of clinical monitoring and computing最新文献_第8页

In vivo comparison between two tip pressure transducer systems. 两种尖端压力传感器系统的体内比较。

International journal of clinical monitoring and computing Pub Date : 1995-05-01 DOI: 10.1007/BF01142487

A E Aubert, M Vrolix, H De Geest, F Van de Werf

{"title":"In vivo comparison between two tip pressure transducer systems.","authors":"A E Aubert, M Vrolix, H De Geest, F Van de Werf","doi":"10.1007/BF01142487","DOIUrl":"https://doi.org/10.1007/BF01142487","url":null,"abstract":"Experimental findings are presented of an in vivo comparison between a Sentron catheter and another tip transducer manometer: a Millar microtip catheter. Both catheters have been used simultaneously in the left ventricle of dogs. Pressure variations were elicited by drug infusion. Pressure values and derivatives obtained from both systems were compared. A cross correlation between episodes of the two pressures was computed. Results from this study showed good correlation between left ventricular systolic pressure measured with both manometers (R = 0.992, p < 0.0001), end-diastolic pressure (R = 0.809, p < 0.0001) and between first derivatives: positive derivative (R = 0.993, p < 0.0001) and negative (R = 0.634, p < 0.0001). The mean cross correlation between both pressure signals was 0.61 +/- 0.04. In the frequency domain no statistical difference was found between the location of the maxima of the peaks. It is concluded that a Sentron manometer can be a valid alternative, at a reasonable price, to a cheaper, though less accurate fluid filled catheter and a more expensive 'golden standard' microtip catheter.","PeriodicalId":77181,"journal":{"name":"International journal of clinical monitoring and computing","volume":"12 2","pages":"77-83"},"PeriodicalIF":0.0,"publicationDate":"1995-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/BF01142487","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19814297","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: 14

A bolus plus continuous infusion protocol for controlling neuromuscular blockade during anesthesia. 一种丸加连续输注方案，用于控制麻醉期间的神经肌肉阻滞。

International journal of clinical monitoring and computing Pub Date : 1995-05-01 DOI: 10.1007/BF01142489

J M Botman, H Arps, D R Westenskow

{"title":"A bolus plus continuous infusion protocol for controlling neuromuscular blockade during anesthesia.","authors":"J M Botman, H Arps, D R Westenskow","doi":"10.1007/BF01142489","DOIUrl":"https://doi.org/10.1007/BF01142489","url":null,"abstract":"Neuromuscular blockade is controlled during anesthesia by administering either bolus doses or a continuous infusion of a blocking agent. To test whether a constant infusion technique requires less attention and provides better control we used a computer to simulate neuromuscular blockade. Using the model we maintained 95% blockade with mivacurium, atracurium, and vecuronium. It required 1.2 changes per hour to maintain the blockade by continuous infusion; an average of 4.5 bolus per hour were required to maintain blockade by the bolus technique. When the bolus and continuous infusion techniques were combined, only 0.16 changes per hour were required. Atracurium was then given to ten patients during anesthesia, following the bolus plus continuous infusion protocol. After a bolus was given to obtain 100% twitch depression, for tracheal intubation, neuromuscular function was assessed by train-of-four stimulation of the ulnar or facial nerves by observing the resultant muscle movement. When the first twitch of the train-of-four returned, relaxation was maintained by continuous infusion. A bolus was given and the drug infusion rate was changed whenever the level of relaxation changed from the desired one twitch of the train-of-four. The infusion rate was adjusted only 1.12 +/- 0.79 times per hour. The desired level of muscle relaxation was easily controlled using the bolus plus continuous infusion protocol. The infusion scheme might be implemented in future drug infusion pumps.","PeriodicalId":77181,"journal":{"name":"International journal of clinical monitoring and computing","volume":"12 2","pages":"89-95"},"PeriodicalIF":0.0,"publicationDate":"1995-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/BF01142489","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19814299","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: 0

A comparison of static and dynamic calibration techniques for the vestibulo-ocular reflex signal. 前庭-眼反射信号静态与动态标定技术的比较。

International journal of clinical monitoring and computing Pub Date : 1995-05-01 DOI: 10.1007/BF01142490

T Hirvonen, H Aalto, M Juhola, I Pyykkö

引用次数: 13

Introduction to Local Area Networks (LAN). 局域网(LAN)简介。

International journal of clinical monitoring and computing Pub Date : 1995-05-01 DOI: 10.1007/BF01142491

L Spitz

引用次数: 0

Selection of abstracts of the Fifth Annual Meeting of the European Society for Computing and Technology in Anaesthesia and Intensive Care, Porto Carras-Halkidiki, Greece, 25–28 September 1994 1994年9月25日至28日在希腊卡拉斯-哈尔基迪基港举行的欧洲麻醉和重症监护计算和技术学会第五届年会摘要精选

International journal of clinical monitoring and computing Pub Date : 1995-02-01 DOI: 10.1007/BF01142447

B. Pollwein, I. Kalli

引用次数: 0

A short tutorial: The Internet as a global information source. 一个简短的教程:作为全球信息源的因特网。

International journal of clinical monitoring and computing Pub Date : 1995-02-01 DOI: 10.1007/BF01142446

R Spitz

引用次数: 31

The calculation of linear dimension and image area using a digitising tablet and personal computer. 利用数字化平板电脑和个人电脑计算直线尺寸和图像面积。

International journal of clinical monitoring and computing Pub Date : 1995-02-01 DOI: 10.1007/BF01142443

R J Taylor

引用次数: 6

Automated anaesthesia record systems, observations on future trends of development. 自动化麻醉记录系统，展望未来发展趋势。

International journal of clinical monitoring and computing Pub Date : 1995-02-01 DOI: 10.1007/BF01142441

W Heinrichs

{"title":"Automated anaesthesia record systems, observations on future trends of development.","authors":"W Heinrichs","doi":"10.1007/BF01142441","DOIUrl":"https://doi.org/10.1007/BF01142441","url":null,"abstract":"The introduction of electronic anaesthesia documentation systems was attempted as early as in 1979, although their efficient application has become reality only in the past few years. Today, documentation technology is offered by most of the monitor manufacturers and new systems are being developed by various working groups. The advantages of the electronic protocol are apparent: Continuous high quality documentation, comparability of data due to the availability of a anaesthesia data bank, reduction of the workload of the anaesthesia staff and availability of new additional information. Disadvantages of the electronic protocol have also been discussed. Typically, by going through the process of entering data on the course of the anaesthetic procedure on the protocol sheet, the information is mentally absorbed and evaluated by the anaesthetist. This mental processing of information may, however, be missing when the data are recorded fully automatically--without active involvement on the part of the anaesthetist. It seems that electronic anaesthesia protocols will be required in the near future. The advantages of accurate documentation and quality control in the presence of careful planning will outweight cost considerations. However, at this time, almost none of the commercially available systems have matured to a point where their purchase can be recommended without reservation. There is still a lack of standards for the subsequent exchange of data and a solution to a number of ergonomic problems still remains to be found.","PeriodicalId":77181,"journal":{"name":"International journal of clinical monitoring and computing","volume":"12 1","pages":"17-20"},"PeriodicalIF":0.0,"publicationDate":"1995-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/BF01142441","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18782170","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: 8

Implication of anaesthesiologists' varying location during surgery. 麻醉医师在手术中不同位置的含义。

International journal of clinical monitoring and computing Pub Date : 1995-02-01 DOI: 10.1007/BF01142444

J W McIntyre

引用次数: 2

Noninvasive continuous blood pressure measurement during anaesthesia: a clinical evaluation of a method commonly used in measuring devices. 麻醉期间无创连续血压测量:测量装置常用方法的临床评价。

International journal of clinical monitoring and computing Pub Date : 1995-02-01 DOI: 10.1007/BF01142439

J R De Jong, H H Ros, J J De Lange

{"title":"Noninvasive continuous blood pressure measurement during anaesthesia: a clinical evaluation of a method commonly used in measuring devices.","authors":"J R De Jong, H H Ros, J J De Lange","doi":"10.1007/BF01142439","DOIUrl":"https://doi.org/10.1007/BF01142439","url":null,"abstract":"The objective of the study was assess the utility during anaesthesia of noninvasive continuous blood pressure measurement techniques which use intermittent oscillometric blood pressure measurement for their calibration. The assessment was performed by comparing noninvasive blood pressure with intra-arterial blood pressure. The noninvasive blood pressure measurement device used for evaluation was the NCAT N-500 which uses tonometry for its continuous measurements. Fifteen patients were studied. In 10 patients the intra-arterial blood pressure curve (IBP) was recorded from the radial artery (radial artery group), and in 5 patients it was recorded from the brachial artery (brachial artery group). In all patients the oscillometrically calibrated tonometric blood pressure (OTBP) was recorded from the other arm. To discriminate between calibration dependent measurement error and tonometric measurement error, the OTBP signal was recalibrated against the IBP signal to get the intra-arterial calibrated tonometric pressure curve (ITBP). OTBP-IBP reflected the overall measurement error, ITBP-IBP the error of the tonometric measurement, and OTBP-ITBP the calibration dependent measurement error. According to criteria formulated in the discussion the accuracy and agreement of the ITBP-IBP measurements were clinical acceptable. Accuracy and agreement of OTBP-IBP and of OTBP-ITBP were not clinical acceptable. Correlation of dynamic behavior was lower for OTBP than for ITBP. A significant effect of site difference between calibration measurements and continuous measurements was not found. It is concluded that the approach of continuous noninvasive blood pressure measurement based on the combination of two different measurement methods, in which the continuous method is calibrated by the oscillometric method, lead to clinical unacceptable accuracy and agreement in the patient group studied.","PeriodicalId":77181,"journal":{"name":"International journal of clinical monitoring and computing","volume":"12 1","pages":"1-10"},"PeriodicalIF":0.0,"publicationDate":"1995-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/BF01142439","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18782168","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: 9