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Journal of Clinical Monitoring and Computing

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https://www.readbyqxmd.com/read/28299589/respiratory-variation-in-peak-aortic-velocity-accurately-predicts-fluid-responsiveness-in-children-undergoing-neurosurgery-under-general-anesthesia
#1
Kavita G Morparia, Srijaya K Reddy, Laura J Olivieri, Michael C Spaeder, Jennifer J Schuette
The determination of fluid responsiveness in the critically ill child is of vital importance, more so as fluid overload becomes increasingly associated with worse outcomes. Dynamic markers of volume responsiveness have shown some promise in the pediatric population, but more research is needed before they can be adopted for widespread use. Our aim was to investigate effectiveness of respiratory variation in peak aortic velocity and pulse pressure variation to predict fluid responsiveness, and determine their optimal cutoff values...
March 16, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28293809/a-mesenteric-traction-syndrome-affects-near-infrared-spectroscopy-evaluated-cerebral-oxygenation-because-skin-blood-flow-increases
#2
Niels D Olesen, Henrik Sørensen, Rikard Ambrus, Lars B Svendsen, Anton Lund, Niels H Secher
During abdominal surgery manipulation of internal organs may induce a "mesenteric traction syndrome" (MTS) including a triad of flushing, hypotension, and tachycardia that lasts for about 30 min. We evaluated whether MTS affects near-infrared spectroscopy (NIRS) assessed frontal lobe oxygenation (ScO2) by an increase in forehead skin blood flow (SkBF). The study intended to include 10 patients who developed MTS during pancreaticoduodenectomy and 22 patients were enrolled (age 61 ± 8 years; mean ± SD)...
March 14, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28293808/low-pre-operative-heart-rate-variability-and-complexity-are-associated-with-hypotension-after-anesthesia-induction-in-major-abdominal-surgery
#3
James R Padley, Erez Ben-Menachem
Significant hypotension after induction of general anesthesia is common and has the potential for serious complications. This study aimed to determine if pre-operative heart rate variability (HRV) was associated with post-induction hypotension in patients undergoing major abdominal surgery. Patients undergoing semi-elective major abdominal surgery were consecutively recruited during pre-admission clinic assessment. Exclusion criteria included cardiac conduction disease, arrhythmias or severe liver or renal disease...
March 14, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28283852/short-term-general-anesthesia-for-retro-bulbar-block-in-ophthalmic-surgery-generates-no-significant-hypercapnia
#4
Werner Baulig, Monica Weber, Beatrice Beck-Schimmer, Oliver M Theusinger, Peter Biro
To assess the impact of short time hypnosis for retro-bulbar anesthesia on ventilation in patients undergoing ophthalmic surgery of the anterior eye chamber. In all patients, a combined continuous transcutaneous carbon dioxide tension (PtcCO2) and partial oxygen saturation (SpO2) measurement was applied in addition to routine monitoring. To enable unconscious application of retro-bulbar anesthesia, intravenous thiopental was given in one to multiple bolus doses. Transient breathing support included chin lift, Esmarch maneuver and manual hand-bag ventilation via face mask...
March 11, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28281192/reliability-of-thermodilution-derived-cardiac-output-with-different-operator-characteristics
#5
Scott C McKenzie, Kimble Dunster, Wandy Chan, Martin R Brown, David G Platts, George Javorsky, Chris Anstey, Shaun D Gregory
Cardiac output (CO) is commonly measured using the thermodilution technique at the time of right heart catheterisation (RHC). However inter-operator variability, and the operator characteristics which may influence that, has not been quantified. Therefore, this study aimed to assess inter-operator variability with the thermodilution technique using a mock circulation loop (MCL) with calibrated flow sensors. Participants were blinded and asked to determine 4 levels of CO using the thermodilution technique, which was compared with the MCL calibrated flow sensors...
March 9, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28275978/infrared-pupillometry-helps-to-detect-and-predict-delirium-in-the-post-anesthesia-care-unit
#6
Eric Yang, Matthias Kreuzer, September Hesse, Paran Davari, Simon C Lee, Paul S García
This study evaluates the capability of pupillary parameters to detect and predict delirium in the post-anesthesia care unit (PACU-D) following general anesthesia. PACU-D may complicate and prolong the patient's postoperative course, consequently increasing hospital costs. After institutional approval, 47 patients undergoing surgical interventions with general anesthesia were included in the study. We measured the pupillary reflexes at signing of informed consent, during surgery 20 min after intubation and when the primary inhaled anesthetic was turned off, and 15 and 45 min after PACU admittance and upon discharge from the PACU...
March 8, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28271314/the-abstracts-of-the-26th-congress-of-esctaic-timisoara-romania-september-22-24-2016
#7
(no author information available yet)
No abstract text is available yet for this article.
March 7, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28258341/low-near-infrared-spectroscopic-somatic-oxygen-saturation-at-admission-is-associated-with-need-for-lifesaving-interventions-among-unplanned-admissions-to-the-pediatric-intensive-care-unit
#8
Binod Balakrishnan, Mahua Dasgupta, Kim Gajewski, Raymond G Hoffmann, Pippa M Simpson, Peter L Havens, Sheila J Hanson
To investigate the association between low near infrared spectroscopy (NIRS) somatic oxygen saturation (<70%) at admission and the need for lifesaving interventions (LSI) in the initial 24 h of a PICU admission. Retrospective chart review of all unplanned admissions to the pediatric intensive care unit (PICU) with NIRS somatic oxygen saturation data available within 4 h of admission, excluding admissions with a cardiac diagnosis. LSI data were collected for the first 24 h after admission. Hemodynamic parameters, laboratory values, illness severity scores and diagnoses were collected...
March 3, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28255799/journal-of-clinical-monitoring-and-computing-2016-end-of-year-summary-respiration
#9
REVIEW
D S Karbing, S E Rees, M B Jaffe
This paper reviews 16 papers or commentaries published in Journal of Clinical Monitoring and Computing in 2016, within the field of respiration. Papers were published covering peri- and post-operative monitoring of respiratory rate, perioperative monitoring of CO2, modeling of oxygen gas exchange, and techniques for respiratory monitoring.
March 2, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28238106/a-critical-assessment-of-early-warning-score-records-in-168-000-patients
#10
Niels Egholm Pedersen, Lars Simon Rasmussen, John Asger Petersen, Thomas Alexander Gerds, Doris Østergaard, Anne Lippert
The national early warning score (NEWS) is recommended to detect deterioration in hospitalised patients. In 2013, a NEWS-based system was introduced in a hospital service with over 250,000 annual admissions, generating large amounts of NEWS data. The quality of such data has not been described. We critically assessed NEWS data recorded over 12 months. This observational study included NEWS records from adult inpatients hospitalized in the Capital Region of Denmark during 2014. Physiological variables and the use of supplementary oxygen (NEWS variables) were recorded...
February 25, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28236028/technology-and-computing-for-the-sake-of-the-physician-the-abstracts-of-the-26th-congress-of-esctaic-timisoara-romania-september-22-24-2016
#11
EDITORIAL
Gabriel M Gurman
No abstract text is available yet for this article.
February 24, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28229353/cardiorespiratory-instability-in-monitored-step-down-unit-patients-using-cluster-analysis-to-identify-patterns-of-change
#12
Eliezer L Bose, Gilles Clermont, Lujie Chen, Artur W Dubrawski, Dianxu Ren, Leslie A Hoffman, Michael R Pinsky, Marilyn Hravnak
Cardiorespiratory instability (CRI) in monitored step-down unit (SDU) patients has a variety of etiologies, and likely manifests in patterns of vital signs (VS) changes. We explored use of clustering techniques to identify patterns in the initial CRI epoch (CRI1; first exceedances of VS beyond stability thresholds after SDU admission) of unstable patients, and inter-cluster differences in admission characteristics and outcomes. Continuous noninvasive monitoring of heart rate (HR), respiratory rate (RR), and pulse oximetry (SpO2) were sampled at 1/20 Hz...
February 22, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28229352/linshom-thermodynamic-sensor-is-a-reliable-alternative-to-capnography-for-monitoring-respiratory-rate
#13
David Preiss, Benjamin A Drew, James Gosnell, Bhavani S Kodali, James H Philip, Richard D Urman
Monitoring ventilation accurately is a technically challenging, yet indispensable aspect of patient care in the intra- and post-procedural settings. A new prototypical device known as the Linshom Respiratory Monitoring Device (LRMD) has been recently designed to non-invasively, inexpensively, and portably measure respiratory rate. The purpose of this study was to measure the accuracy and variability of LRMD measurements of respiratory rate relative to the measurement of capnography. In this prospective study, participants were enrolled and individually fitted with a face mask monitored by the LRMD and capnography...
February 22, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28224323/an-abrupt-reduction-in-end-tidal-carbon-di-oxide-concentration-in-a-mechanically-ventilated-patient-in-neurocritical-care-ward-a-capnogram-artifact
#14
LETTER
Byrappa Vinay
In patients with normal lung and reasonable cardiac function such as head injury patients, the PETCo2 can be used as a surrogate for partial pressure of Carbon dioxide (PaCO2) in mechanically ventilated patients. Thus early interpretation and accurate assessment of capnogram is crucial in neurocritical care patients. Here we present and discuss a scenario where in connection of a jet nebulizer to the ventilator lead to abrupt decrease in end tidal carbon dioxide leading to a diagnostic dilemma. Also this report highlights and discusses the importance of the proper placement of breathing circuit components to ensure accurate CO2 readings in particular the use of a jet nebulizer...
February 21, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28220350/in-response-to-understanding-elevated-pv-aco2-gap-and-pv-aco2-ca-vo2-ratio-in-venous-hyperoxia-condition
#15
LETTER
P Saludes, L Proença, G Gruartmoner, L Enseñat, A Pérez-Madrigal, C Espinal, J Mesquida
No abstract text is available yet for this article.
February 20, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28217824/understanding-elevated-pv-aco2-gap-and-pv-aco2-ca-vo2-ratio-in-venous-hyperoxia-condition
#16
LETTER
Huai-Wu He, Da-Wei Liu, Can Ince
No abstract text is available yet for this article.
February 20, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28214930/investigation-of-optical-neuro-monitoring-technique-for-detection-of-maintenance-and-emergence-states-during-general-anesthesia
#17
Gabriela Hernandez-Meza, Meltem Izzetoglu, Mary Osbakken, Michael Green, Hawa Abubakar, Kurtulus Izzetoglu
The American Society of Anesthesiologist recommends peripheral physiological monitoring during general anesthesia, which offers no information regarding the effects of anesthetics on the brain. Since no "gold standard" method exists for this evaluation, such a technique is needed to ensure patient comfort, procedure quality and safety. In this study we investigated functional near infrared spectroscopy (fNIRS) as possible monitor of anesthetic effects on the prefrontal cortex. Anesthetic drugs, such as sevoflurane, suppress the cerebral metabolism and alter the cerebral blood flow...
February 18, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28210936/does-obesity-affect-the-non-invasive-measurement-of-cardiac-output-performed-by-electrical-cardiometry-in-children-and-adolescents
#18
Luis Altamirano-Diaz, Eva Welisch, Ralf Rauch, Michael Miller, Teresa Sohee Park, Kambiz Norozi
Electrical cardiometry (EC) is a non-invasive and inexpensive method for hemodynamic assessment and monitoring. However, its feasibility for widespread clinical use, especially for the obese population, has yet to be determined. In this study, we evaluated the agreement and reliability of EC compared to transthoracic Doppler echocardiography (TTE) in normal, overweight, and obese children and adolescents. We measured stroke volume (SV) and cardiac output (CO) of 131 participants using EC and TTE simultaneously...
February 17, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28210935/the-effect-of-fluid-resuscitation-on-the-effective-circulating-volume-in-patients-undergoing-liver-surgery-a-post-hoc-analysis-of-a-randomized-controlled-trial
#19
Jaap Jan Vos, A F Kalmar, H G D Hendriks, J Bakker, T W L Scheeren
To assess the significance of an analogue of the mean systemic filling pressure (Pmsa) and its derived variables, in providing a physiology based discrimination between responders and non-responders to fluid resuscitation during liver surgery. A post-hoc analysis of data from 30 patients undergoing major hepatic surgery was performed. Patients received 15 ml kg(-1) fluid in 30 min. Fluid responsiveness (FR) was defined as an increase of 20% or greater in cardiac index, measured by FloTrac-Vigileo(®). Dynamic preload variables (pulse pressure variation and stroke volume variation: PPV, SVV) were recorded additionally...
February 16, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28210934/adarri-a-novel-method-to-detect-spurious-r-peaks-in-the-electrocardiogram-for-heart-rate-variability-analysis-in-the-intensive-care-unit
#20
Dennis J Rebergen, Sunil B Nagaraj, Eric S Rosenthal, Matt T Bianchi, Michel J A M van Putten, M Brandon Westover
We developed a simple and fully automated method for detecting artifacts in the R-R interval (RRI) time series of the ECG that is tailored to the intensive care unit (ICU) setting. From ECG recordings of 50 adult ICU-subjects we selected 60 epochs with valid R-peak detections and 60 epochs containing artifacts leading to missed or false positive R-peak detections. Next, we calculated the absolute value of the difference between two adjacent RRIs (adRRI), and obtained the empirical probability distributions of adRRI values for valid R-peaks and artifacts...
February 16, 2017: Journal of Clinical Monitoring and Computing
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