Abstract：
OBJECTIVE:To define the longest sampling interval which will faithfully record the time course of episodes of severe hypotension and hypoxia in anesthetised patients. METHODS:Electronic anesthetic records of 1501 patients were analyzed retrospectively for hypotension where measured systolic blood pressure fell to 60 mmHg or less, and for hypoxia where SpO2 fell to 80% or less. The onset and offset times, maximum rate of change and spectral content were calculated for each episode. RESULTS:These episodes commonly were rapid in onset and offset. The longest sampling interval to accurately represent these data was calculated to be 36 s for invasive blood pressure and 13 s for pulse oximetry. CONCLUSIONS:Our current anesthetic record is inadequate to record many of the severe changes that we observed. One minute recording intervals, such as used in many electronic record keeping systems, are too slow to capture the rapid rates of change seen, and may lead to the assumption that an episode was not recognized promptly or that treatment was not administered in a timely manner.
journal_name
J Clin Monit Computjournal_title
Journal of clinical monitoring and computingauthors
Derrick JL,Bassin DJdoi
10.1023/a:1009978414365subject
Has Abstractpub_date
1998-07-01 00:00:00pages
347-51issue
5eissn
1387-1307issn
1573-2614journal_volume
14pub_type
杂志文章abstract：:The composite auditory evoked potentials index (cAAI) uses both cortical electroencephalogram (EEG) and response to auditory stimuli, while the bispectral index (BIS) uses only the cortical EEG and auditory evoked potentials index (AAI) uses only response to auditory stimuli. We expected that the cAAI was more useful ...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章,随机对照试验
doi：10.1007/s10877-013-9441-x
更新日期：2013-06-01 00:00:00
abstract：:The effectiveness of two different methods for calculating the arterial occlusion pressure (AOP) to set tourniquet inflation pressures were assessed in patients underwent knee arthroscopy. Eighty patients were included in this study. Tourniquet inflation pressure was set by adding 20 mmHg of safety margin above the AO...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-019-00366-0
更新日期：2020-08-01 00:00:00
abstract：:Electrical impedance tomography (EIT) is used in lung physiology monitoring. There is evidence that EIT is linearly associated with global tidal volume (VT) in clinically healthy patients where no positive end-expiratory pressure (PEEP) is applied. This linearity has not been challenged by altering lung conditions. Th...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-021-00651-x
更新日期：2021-01-25 00:00:00
abstract：OBJECTIVES:Optimizing cerebral oxygenation is of paramount importance in certain intraoperative situations. There is, however, a paucity of published data pertaining to changes in cerebral oxygenation seen with increases in the inspired fraction of oxygen (FIO2) or end-tidal carbon dioxide (PETCO2) in anesthetized pati...
journal_title：Journal of clinical monitoring and computing
pub_type： 临床试验,杂志文章
doi：10.1007/s10877-010-9265-x
更新日期：2010-12-01 00:00:00
abstract：:The mesenteric traction syndrome (MTS) is associated with prostacyclin (PGI2) facilitated systemic vasodilatation during surgery and is identified by facial flushing. We hypothesized that severe facial flushing would be related to the highest concentrations of plasma PGI2 and accordingly to the highest levels of skin ...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-018-0226-0
更新日期：2019-10-01 00:00:00
abstract：BACKGROUND:The ventricular stroke work refers to the work done by the left or right ventricle to eject the volume of blood during one cardiac cycle, called stroke volume. Sarnoff and Berglund were one of the first to calculate the stroke work from the pressure volume diagram in 1954. However, they published a wrong uni...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章,评审
doi：10.1007/s10877-010-9234-4
更新日期：2010-06-01 00:00:00
abstract：:The physiology underlying the intracranial pressure (ICP) curve morphology is not fully understood. Recent research has suggested that the morphology could be dependent on arterial cerebral inflow and the physiological and pathophysiological properties of the intracranial cavity. If understood, the ICP curve could pro...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-019-00342-8
更新日期：2020-06-01 00:00:00
abstract：:Amidst controversy about methodology and safety, intraoperative neurophysiology has entered a new era of increasingly routine transcranial and direct electrical brain stimulation for motor evoked potential (MEP) monitoring. Based on literature review and illustrative clinical experience, this tutorial aims to present ...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章,评审
doi：10.1007/s10877-006-9033-0
更新日期：2006-10-01 00:00:00
abstract：BACKGROUND AND OBJECTIVE:Ventricular late potentials (LP) recording with signal-averaged electrocar- diogram allow identifying patients at risk of sudden death and ventricular tachycardia. Cardiac surgery with cardiopulmonary bypass (CPB) could predispose to the development of myocardial ischemia related to imperfect c...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-011-9305-1
更新日期：2011-08-01 00:00:00
abstract：:Near-infrared spectroscopy (NIRS) has been used to detect in vivo microvascular alterations by means of a vascular occlusion test. We sought to analyse by NIRS the microcirculatory profile of patients undergoing prolonged tourniquet-induced bloodless condition for extremity surgery, and compare the results with time o...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-016-9877-x
更新日期：2017-06-01 00:00:00
abstract：:Recently a novel pain recognition indicator derived from electroencephalogram(EEG) signals, pain threshold index(PTI) has been developed. The aim of this study was to determine whether PTI can be used for prediction of postoperative acute pain while surgical pleth index(SPI) applied as control. Eighty patients undergo...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-020-00604-w
更新日期：2020-10-12 00:00:00
abstract：:The Nexfin device allows for non-invasive beat-to-beat blood pressure monitoring (BP(NXF)). Perioperative hypotension and hypertension have been shown to be associated with poor clinical outcomes. The goal of the present study was to assess the ability of this device to decrease the duration of significant intraoperat...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-012-9344-2
更新日期：2012-04-01 00:00:00
abstract：OBJECTIVES:To determine if wavelet analysis techniques can be used to reliably identify individual breaths from the photoplethysmogram (PPG). METHODS:Photoplethysmograms were obtained from 22 healthy adult volunteers timing their respiration rate in synchronisation with a metronome. A secondary timing signal was obtai...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-005-2697-z
更新日期：2004-12-01 00:00:00
abstract：OBJECTIVE:Bispectral analysis of the electroencephalogram (EEG) has been used to monitor depth of anesthesia. In the majority of publications this has been done using the so called Bispectral (BIS) Index. The exact relation of this index to bispectral quantities like the bispectrum and its normalized version the bicohe...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1023/a:1026284321451
更新日期：2002-12-01 00:00:00
abstract：:Detection of hypovolemia prior to overt hemodynamic decompensation remains an elusive goal in the treatment of critically injured patients in both civilian and combat settings. Monitoring of heart rate variability has been advocated as a potential means to monitor the rapid changes in the physiological state of hemorr...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-013-9434-9
更新日期：2013-06-01 00:00:00
abstract：:The respiration rate (RR) is a vital sign in physiological measurement and clinical diagnosis. RR can be measured using stretchable and wearable strain gauge sensors which detect the respiratory movements in the abdomen or thorax areas caused by volumetric changes. In different body locations, the accuracy of RR detec...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-020-00481-3
更新日期：2020-02-22 00:00:00
abstract：:The test of the inner tube integrity is an important checklist prior to the safe use of Bain's breathing system. This is because the major concern with the use of Bain's circuit is the potential malfunctioning of the circuit due to avulsion of the inner fresh gas delivery tube at the machine end which will turn the ou...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-009-9212-x
更新日期：2010-02-01 00:00:00
abstract：OBJECTIVES:The purpose of this paper is to increase awareness of electrode burns that occur in the operating room (OR), to discuss their causes, warning signs, and methods that may reduce their occurrence. Two general sources of electrical burns are described: 1) Excessive radio-frequency current density usually origin...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1023/b:jocm.0000025254.73456.db
更新日期：2004-02-01 00:00:00
abstract：OBJECTIVE:Ventilator-associated pneumonia (VAP) is a common hazardous complication in ICU patients. The aim of the current review is to give an update on the current status and future recommendations for VAP prevention. METHODS:This article gives an updated review of the current literature on VAP. The first part brief...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章,meta分析,评审
doi：10.1007/s10877-010-9228-2
更新日期：2010-04-01 00:00:00
abstract：:Obstructive sleep apnea (OSA) is a risk factor for perioperative complications, but many OSA patients present undiagnosed. While polysomnography (PSG) is the "gold standard" for diagnosis, its application is technology-intense, time-consuming, expensive, and requires specialists, often delaying surgery. Thus, miniatur...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-018-0151-2
更新日期：2019-04-01 00:00:00
abstract：OBJECTIVE:Serious accidents during hemodialysis such as a large amount of blood loss are often caused by venous needle dislodgement. To develop a bleeding sensor based on a photo sensor for monitoring the needle sites, we studied effects of liquids and porcine blood on light transmission through a thin gauze pad with a...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-009-9206-8
更新日期：2010-02-01 00:00:00
abstract：:This report presents a method for tracking Motor Evoked Potential (MEP) amplitudes over the course of a case using a moving least squares linear regression (LSMAs). During a case, newly obtained MEP amplitudes are compared to those predicted by a just previous linear regression (least squares moving average or LSMA). ...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-018-0181-9
更新日期：2019-06-01 00:00:00
abstract：:Uncalibrated arterial waveform analysis enables dynamic preload assessment in a minimally invasive fashion. Evidence about the validity of the technique in patients with impaired left ventricular function is scarce, while adequate cardiac preload assessment would be of great value in these patients. The aim of this st...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-015-9743-2
更新日期：2016-08-01 00:00:00
abstract：:Total shoulder arthroplasty (TSA) is typically performed in the beach-chair position. Maintenance of adequate mean arterial pressure is required to provide appropriate cerebral perfusion pressure and prevent cerebral ischemia. Placement of an arterial line to facilitate invasive monitoring is discretionary, based on c...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-016-9939-0
更新日期：2017-10-01 00:00:00
abstract：OBJECTIVE:Tracheal gas insufflation (TGI) is considered an adjunctive method to enhance carbon dioxide elimination during permissive hypercapnia in patients with acute respiratory distress syndrome. Due to increasing tidal volume and/or expiratory resistance, TGI may cause intrinsic PEEP (PEEPi), and may lessen the adv...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1023/a:1009998100819
更新日期：1998-05-01 00:00:00
abstract：:Recent advances in technology have brought many kinds of monitoring devices into the operating room (OR). The information gathered by monitors can be channeled to the operating ward information system via a local area network (LAN). Connecting patients to monitors and monitors to the LAN, however, requires a large num...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1023/a:1009911208828
更新日期：2000-01-01 00:00:00
abstract：:Ultrasound scanning of bladder volume is used for prevention of postoperative urinary retention (POUR). Accurate assessment of bladder volume is needed to allow clinical decision-making regarding the need for postoperative catheterization. Two commonly used ultrasound devices, the BladderScan® BVI 9400 and the newly r...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-018-0123-6
更新日期：2018-12-01 00:00:00
abstract：OBJECTIVE:This study tests the hypothesis that a graphical object display (a data display consisting of meaningful shapes) will affect the ability of anesthesiologists to perform a diagnostic task rapidly and correctly. The diagnostic tasks studied were recognition and differentiation of five etiologies of shock--anaph...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1023/a:1009914019889
更新日期：1999-01-01 00:00:00
abstract：OBJECTIVE:To compare expert-generated textual summaries of physiological data with trend graphs, in terms of their ability to support neonatal Intensive Care Unit (ICU) staff in making decisions when presented with medical scenarios. METHODS:Forty neonatal ICU staff were recruited for the experiment, eight from each o...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-005-0879-3
更新日期：2005-06-01 00:00:00
abstract：OBJECTIVE:To evaluate a computerized system for mechanical ventilation of infants. METHODS:FLEX is a computerized system that includes the features of a patented mode known as adaptive-support ventilation (ASV). In addition, it has many other features including adjustment of positive end-expiratory pressure (PEEP), fr...
journal_title：Journal of clinical monitoring and computing
pub_type： 杂志文章
doi：10.1007/s10877-009-9170-3
更新日期：2009-04-01 00:00:00
