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Evaluation of patient state index, bispectral index, and entropy during drug induced sleep endoscopy with dexmedetomidine
AbstractMultiple electroencephalographic (EEG) monitors and their associated EEG markers have been developed to aid in assessing the level of sedation in the operating room. While many studies have assessed the response of these markers to propofol sedation and anesthetic gases, few studies have compared these markers when using dexmedetomidine, an alpha-2 agonist. Fifty-one patients underwent drug induced sleep endoscopy with dexmedetomidine sedation. Continuous EEG was captured using SedLine (Masimo, Inc), and a playback system was used to extract the bispectral index (BIS) (Medtronic Inc), the patient state index (PSI) ...
Source: Journal of Clinical Monitoring and Computing - December 22, 2022 Category: Information Technology Source Type: research

Evaluation of a new insertion site for arterial pressure line in intensive care unit management: a prospective study
This study aimed to evaluate the safety and effectiveness of A-line insertion in the ICU through the distal radial approach (DRA), which is used in cardiac catheterization. This single-center, prospective, comparative study included 200 patients ( ≥ 20 years) who were brought to our hospital for emergency care and required A-line insertion. Patients were quasi-randomized to the traditional radial approach (TRA) or DRA. Data were recorded at the time of A-line insertion, administration, and removal. We evaluated the vessel diameter, numbe r of punctures, success of the procedure, presence of complications, such as infe...
Source: Journal of Clinical Monitoring and Computing - December 22, 2022 Category: Information Technology Source Type: research

Intra-abdominal pressure monitoring in cardiac surgery: is this the canary in the coalmine for kidney injury?
(Source: Journal of Clinical Monitoring and Computing)
Source: Journal of Clinical Monitoring and Computing - December 22, 2022 Category: Information Technology Source Type: research

Intubation using video laryngeal mask airway SaCoVLM and laryngeal mask airway Ambu ® Aura-i in anesthetized children with microtia: a randomized controlled study
AbstractThe Ambu Aura-i laryngeal mask is considered to be a device for blind intubation as well as for fiberoptic guided intubation. The novel video laryngeal airway mask SaCoVLM is a supraglottic airway device that allows intubation under direct vision. We hypothesized that success rates for device placement and tracheal intubation with the SaCoVLM would be comparable with the Ambu Aura-i mask.  A prospective, randomized clinical trial was conducted from March 2021 to December 2021. One hundred and twenty patients were enrolled and randomized in the study. Direct intubation was performed with the SaCoVLM, and fiberoptic...
Source: Journal of Clinical Monitoring and Computing - December 22, 2022 Category: Information Technology Source Type: research

Stimulation artefact on EEG trace with BIS monitoring during D-wave recording
AbstractThe D-wave reflects the corticospinal fibre potentials and is frequently recorded intraoperatively for intramedullary spinal tumours to ensure maximum safe resection. A 38-year-old male had an intramedullary spinal cord tumour surgically removed while being monitored with D-wave from a single distal electrode technique. Total intravenous anaesthesia (TIVA) with propofol (without a muscle relaxant and with intermittent intravenous fentanyl boluses) was used for the maintenance of anaesthesia guided by processed electroencephalography (EEG) using a bispectral index (BIS®) monitor. Regular spike artefacts were observ...
Source: Journal of Clinical Monitoring and Computing - December 12, 2022 Category: Information Technology Source Type: research

Exploring the relationship between capillary refill time, skin blood flow and microcirculatory reactivity during early resuscitation of patients with septic shock: a pilot study
AbstractCapillary refill time (CRT), a costless and widely available tool, has emerged as a promising target to guide septic shock resuscitation. However, it has yet to gain universal acceptance due to its potential inter-observer variability. Standardization of CRT assessment may minimize this problem, but few studies have compared this approach with techniques that directly assess skin blood flow (SBF). Our objective was to determine if an abnormal CRT is associated with impaired SBF and microvascular reactivity in early septic shock patients. Twelve septic shock patients were subjected to multimodal perfusion and hemody...
Source: Journal of Clinical Monitoring and Computing - December 10, 2022 Category: Information Technology Source Type: research

Correction to: Neural networks for estimation of facial palsy after vestibular schwannoma surgery
(Source: Journal of Clinical Monitoring and Computing)
Source: Journal of Clinical Monitoring and Computing - December 8, 2022 Category: Information Technology Source Type: research

Automated electrocardiogram signal quality assessment based on Fourier analysis and template matching
AbstractWe  developed and tested a novel template matching approach for signal quality assessment on electrocardiogram (ECG) data. A computational method was developed that uses a sinusoidal approximation to the QRS complex to generate a correlation value at every point of an ECG. The strength of this correla tion can be numerically adapted into a ‘score’ for each segment of an ECG, which can be used to stratify signal quality. The algorithm was tested on lead II ECGs of intensive care unit (ICU) patients admitted to the Mount Sinai Hospital (MSH) from January to July 2020 and on records from the MIT BIH arrhythmia da...
Source: Journal of Clinical Monitoring and Computing - December 5, 2022 Category: Information Technology Source Type: research

Non-contact respiratory rate monitoring using thermal and visible imaging: a pilot study on neonates
AbstractRespiratory rate (RR) monitoring is essential in neonatal intensive care units. Despite its importance, RR is still monitored intermittently by manual counting instead of continuous monitoring due to the risk of skin damage with prolonged use of contact electrodes in preterm neonates and false signals due to displacement of electrodes. Thermal imaging has recently gained significance as a non-contact method for RR detection because of its many advantages. However, due to the lack of information in thermal images, the selection and tracking of the region of interest (ROI) in thermal images for neonates are challengi...
Source: Journal of Clinical Monitoring and Computing - December 4, 2022 Category: Information Technology Source Type: research

Relationships between common carotid artery blood flow and anesthesia, pneumoperitoneum, and head-down tilt position: a linear mixed-effect analysis
Conclusion: CCA blood flow was significantly decreased by anesthesia induction. Inducing pneumoperitoneum, with or without the head-down tilt position, did not further decrease CCA blood flow if the cardiac index remained unchanged. The cardiac index and stroke volume index were significantly associated with CCA blood flow.Clinical trial registration: Clinicaltrials.gov (NCT04233177, January 18, 2020). (Source: Journal of Clinical Monitoring and Computing)
Source: Journal of Clinical Monitoring and Computing - December 4, 2022 Category: Information Technology Source Type: research

Agreement of somatic and renal near-infrared spectroscopy with reference blood samples during a controlled hypoxia sequence: a healthy volunteer study
Conclusion: O3 regional oximetry can be used on the quadriceps and flank to monitor somatic saturation, yet has a saturation-level dependent bias. O3-derived values obtained at the flank underestimated renal reference values. Additionally, it is unlikely that the flank sensors did directly measure renal tissue.Trial registration:Clinicaltrials.gov (NCT04584788): registered October 6th, 2020. (Source: Journal of Clinical Monitoring and Computing)
Source: Journal of Clinical Monitoring and Computing - December 4, 2022 Category: Information Technology Source Type: research

Scalp blocks do not affect the accuracy of neuronavigation facial recognition registration
Conclusion: Scalp block does not interfere with neuronavigation facial recognition accuracy during neurosurgical procedures. (Source: Journal of Clinical Monitoring and Computing)
Source: Journal of Clinical Monitoring and Computing - December 3, 2022 Category: Information Technology Source Type: research

The mechanical power in neurocritical care patients: is it useful?
AbstractPatients with acute brain injury have been excluded in the majority of the randomized clinical trials which evaluated a lung protective strategy in patients with acute respiratory failure. It remains unclear if low tidal volume, higher PEEP levels and recruitment maneuvers by increasing both the intracranial and intrathoracic pressure and by leading to a permissible hypercapnia could furthermore deteriorate the acute brain injury and the final outcome. Mechanical power has been associated with the outcome in ARDS patients without brain injury. Jiang et al. demonstrated in neurocritical patients that non-survivors h...
Source: Journal of Clinical Monitoring and Computing - November 8, 2022 Category: Information Technology Source Type: research

Indicators of haemodynamic instability and left ventricular function in a porcine model of esmolol induced negative inotropy
AbstractTo investigate if the Hypotension Prediction Index was an early indicator of haemodynamic instability in a negative inotropy porcine model, and to assess the correlation of commonly measured indicators of left ventricular systolic function. Eight anaesthetised pigs were volume resuscitated and then underwent an incremental infusion of esmolol hydrochloride (0-3000  mg/hr), following which it was then reduced in a stepwise manner. Full haemodynamic measurements were taken at each stage and measurements of left ventricular systolic function including left ventricular stroke work index, ejection fraction and peripher...
Source: Journal of Clinical Monitoring and Computing - November 6, 2022 Category: Information Technology Source Type: research

Bioimpedance spectroscopy fluid analysis in acute high-risk abdominal surgery, a prospective clinician-blinded observational feasibility study
AbstractObjective assessment of fluid status in critical surgical care may help optimize perioperative fluid administration and prevent postoperative fluid retention. We evaluated the feasibility of hydration status and fluid distribution assessment by Bioimpedance spectroscopy Analysis (BIA) in patients undergoing acute high-risk abdominal (AHA) surgery. This observational study included 73 patients undergoing AHA surgery. During the observational period (0 –120 h), we registered BIA calculated absolute fluid overload (AFO) and relative fluid overload (RFO), defined as AFO/extracellular water ratio, as well as cumulati...
Source: Journal of Clinical Monitoring and Computing - November 4, 2022 Category: Information Technology Source Type: research