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Nociception level index monitor

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https://www.readbyqxmd.com/read/30284585/evaluation-of-the-effects-of-dexmedetomidine-and-remifentanil-on-pain-with-the-analgesia-nociception-index-in-the-perioperative-period-in-hysteroscopies-under-general-anesthesia-a-randomized-prospective-study
#1
Mustafa Gazi, Süheyla Abitağaoğlu, Güldem Turan, Ceren Köksal, Fatma Nur Akgün, Dilek E Ari
Objectives To compare analgesia nociception index (ANI) values, visual analog scale (VAS) values, and hemodynamic parameters in hysteroscopy patients who received remifentanil and dexmedetomidine during general anesthesia. Methods: In total, 30 patients who underwent hysteroscopy between March and September 2016 at the University of Health Sciences Fatih Sultan Mehmet Health Research and Application Center, Ankara, Turkey were included in this prospective study. Standard hemodynamic monitoring, ANI, and bispectral index (BIS) monitoring were applied to the patients...
October 2018: Saudi Medical Journal
https://www.readbyqxmd.com/read/30026938/the-nociception-level-index-nol-response-to-intubation-and-incision-in-patients-undergoing-video-assisted-thoracoscopic-surgery-vats-with-and-without-thoracic-epidural-analgesia-a-pilot-study
#2
Laurent Bollag, Srdjan Jelacic, Carlos Delgado Upegui, Cynthia Wu, Philippe Richebe
Background: The PMD100™ (Medasense Biometrics Ltd., Ramat Yishai, Israel) is a novel non-invasive nociception monitor that integrates physiological parameters to compute a real-time nociception level index (NOL) in the anesthetized patients. Thoracic epidural analgesia provides effective analgesia and improves surgical outcomes. Side effects include sympathectomy, hypotension, changes in skin temperature and a decreased cardiac accelerator fiber tone. The purpose of this pilot study was to evaluate changes in NOL values after incision in patients with and without epidural analgesia...
2018: F1000Research
https://www.readbyqxmd.com/read/29916863/parasympathetic-tone-activity-evaluation-to-discriminate-ketorolac-and-ketorolac-tramadol-analgesia-level-in-swine
#3
Carlos J Leitão, Juan Rafael Lima-Rodríguez, Fatima Ferreira, Catarina Avelino, Francisco M Sánchez-Margallo, Luís Antunes
BACKGROUND: Evaluation of nociceptive-antinociceptive balance during general anesthesia is still challenging and routinely based on clinical criteria. Analgesic drug delivered may be optimized with parasympathetic tone activity (PTA) monitor. This study compares ketorolac and ketorolac/tramadol balance analgesia using a PTA monitor. METHODS: Pain intensity response was assessed using a 0-100 numerical state scale (PTA) after nociceptive stimuli in pigs under stable sevoflurane anesthesia...
June 14, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29779036/development-of-a-hemodynamic-model-using-routine-monitoring-parameters-for-nociceptive-responses-evaluation-during-surgery-under-general-anesthesia
#4
Munetaka Hirose, Yoshiko Kobayashi, Shiro Nakamoto, Ryusuke Ueki, Nobutaka Kariya, Tsuneo Tatara
BACKGROUND Routine hemodynamic monitoring parameters under general anesthesia, such as heart rate (HR), systolic blood pressure (SBP), and perfusion index (PI), do not solely reflect intraoperative nociceptive levels. We developed a hemodynamic model combining these 3 parameters for nociceptive responses during general anesthesia, and evaluated nociceptive responses to surgical skin incision. MATERIAL AND METHODS We first retrospectively performed discriminant analysis using 3 values - HR, SBP, and PI - to assess response to skin incision during tympanoplasty, laparoscopic cholecystectomy, and open gastrectomy to determine if combined use of these parameters differentiates nociceptive levels among these 3 surgeries...
May 20, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29756750/validation-of-the-pmd100-and-its-nol-index-to-detect-nociception-at-different-infusion-regimen-of-remifentanil-in-patients-under-general-anesthesia
#5
Pierre-André Stöckle, Marco Julien, Rami Issa, Elizabeth Décary, Véronique Brulotte, Pierre Drolet, Margaret Henri, Madeleine Poirier, Jean-François Latulippe, Marc Dorais, Olivier Verdonck, Louis-Philippe Fortier, Philippe Richebé
BACKGROUND: The NOL index is based on multiparametric analysis of heart rate (HR), skin conductance, wave plethysmography, and their time derivative. The aim of this study was to evaluate the NOL to detect standardized nociceptive stimuli with various remifentanil dosages under general anesthesia. METHODS: A prospective, observational study at a single center (NCT02602379) included 40 ASA I to III patients undergoing laparotomy under remifentanil-desflurane anesthesia with epidural analgesia...
October 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29669562/comfort-in-palliative-sedation-compas-a-transdisciplinary-mixed-method-study-protocol-for-linking-objective-assessments-to-subjective-experiences
#6
Stefaan Six, Steven Laureys, Jan Poelaert, Johan Bilsen, Peter Theuns, Reginald Deschepper
BACKGROUND: In case of untreatable suffering at the end of life, palliative sedation may be chosen to assure comfort by reducing the patient's level of consciousness. An important question here is whether such sedated patients are completely free of pain. Because these patients cannot communicate anymore, caregivers have to rely on observation to assess the patient's comfort. Recently however, more sophisticated techniques from the neurosciences have shown that sometimes consciousness and pain are undetectable with these traditional behavioral methods...
April 18, 2018: BMC Palliative Care
https://www.readbyqxmd.com/read/29568123/non-instrumental-clinical-monitoring-does-not-guarantee-an-adequate-course-of-general-anesthesia-a-prospective-clinical-study
#7
Katarzyna Szostakiewicz, Zbigniew Rybicki, Dariusz Tomaszewski
BACKGROUND: Clinical monitoring is the most common method of adjusting the appropriate level of general anesthesia. However, episodes of intraoperative awareness (AWR) are still reported, suggesting that clinical observations may not be sufficient in some cases. The objective of this study was to compare the efficacy of clinical and instrumental neuromonitoring with auditory evoked potentials (AEP) in an intraoperative analysis of the proper level of general anesthesia. METHODS: Patients scheduled for elective surgery were randomly divided into two groups...
March 21, 2018: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/29318860/-effect-of-transcutaneous-acupoint-electrical-stimulation-on-hemodynamic-fluctuation-caused-by-loosing-tourniquet-in-elderly-patients-undergoing-knee-joint-replacement
#8
Han-Sheng Liang, Yi Feng
OBJECTIVE: To observe the effect of transcutaneous acupoint electrical stimulation (TAES) on hemodynamic fluctuation caused by loosing tourniquet in the elderly patients undergoing knee joint replacement. METHODS: A total of 60 ASA (America Society Anesthesiologist) I or II elderly patients for elective knee joint replacement surgery were randomly divided into control group (30 cases) and TAES group (30 cases). Patients of both groups were treated by intravenous anesthesia, and monitored with bispectral index (BIS, between 45-60) for anesthesia depth, stroke volume variation (SVV) for fluid management, mean arterial pressure (MAP) and cardiac index (CI) for hemodynamic fluctuation evaluation, and with analgesia nociception index (ANI, between 50-70) for remifentanil dosage adjustment...
December 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/28631050/analgesia-nociception-index-ani-monitoring-in-patients-with-thoracic-paravertebral-block-a-randomized-controlled-study
#9
Nurseda Dundar, Alparslan Kus, Yavuz Gurkan, Kamil Toker, Mine Solak
The goal of the study was to evaluate the effectiveness of analgesia nociception index (ANI) monitoring during intraoperative period for patients with thoracic paravertebral block (TPVB) undergoing breast surgery under general anesthesia. This prospective randomized trial was performed after receiving ethics committee approval in 44 patients who were scheduled to undergo breast surgery under general anesthesia. TPVB was performed in the preoperative period using 20 mL of bupivacaine 0.25% at T4 level. Anesthesia maintenance was provided with sevoflurane in O2 : air mixture and remifentanil infusion...
June 2018: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28489614/validation-of-innovative-techniques-for-monitoring-nociception-during-general-anesthesia-a-clinical-study-using-tetanic-and-intracutaneous-electrical-stimulation
#10
Sandra Funcke, Sven Sauerlaender, Hans O Pinnschmidt, Bernd Saugel, Kai Bremer, Daniel A Reuter, Rainer Nitzschke
BACKGROUND: This study compares the analgesic indices Analgesia Nociception Index (heart rate variability), Surgical Pleth Index (photoplethysmography), and pupillary dilatation, to heart rate, mean arterial pressure, and bispectral index, with regard to diagnostic accuracy and prediction probability for nociceptive response. The primary endpoint was the correlation between Δ values and the remifentanil dose administered. METHODS: We anesthetized 38 patients with propofol and increasing doses of remifentanil and applied standardized tetanic and intracutaneous electrical painful stimulations on each analgesic level...
August 2017: Anesthesiology
https://www.readbyqxmd.com/read/28410821/-analgesia-nociception-index-for-perioperative-analgesia-monitoring-in-spinal-surgery
#11
Guldem Turan, Arzu Yıldırım Ar, Yıldız Yigit Kuplay, Oznur Demiroluk, Mustafa Gazi, Nur Akgun, Erhan Celikoglu
BACKGROUND AND OBJECTIVES: The Analgesia Nociception Index is an index used to measure the levels of pain, sympathetic system activity and heart rate variability during general anesthesia. In our study, Analgesia Nociception Index monitoring in two groups who had undergone spinal stabilization surgery and were administered propofol-remifentanil (Total Intravenous Anesthesia) and sevoflurane-remifentanyl anesthesia was compared regarding its significance for prediction of postoperative early pain...
July 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28107273/influence-of-depth-of-hypnosis-on-pupillary-reactivity-to-a-standardized-tetanic-stimulus-in-patients-under-propofol-remifentanil-target-controlled-infusion-a-crossover-randomized-pilot-study
#12
RANDOMIZED CONTROLLED TRIAL
Nada Sabourdin, Jean-Baptiste Peretout, Eliane Khalil, Marie-Laurence Guye, Nicolas Louvet, Isabelle Constant
BACKGROUND: Pupillometry allows the measurement of pupillary diameter variations in response to nociceptive stimuli. This technique has been used to monitor the balance between analgesia and nociception. Under general anesthesia, the amplitude of pupillary dilation is related to the amount of administered opioids. The objective of this study was to determine whether at a constant infusion rate of opioids, the pupillary response was influenced by depth of hypnosis assessed by the bispectral index (BIS)...
January 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27171828/preliminary-intraoperative-validation-of-the-nociception-level-index-a-noninvasive-nociception-monitor
#13
RANDOMIZED CONTROLLED TRIAL
Ruth Edry, Vasile Recea, Yuri Dikust, Daniel I Sessler
BACKGROUND: The nociception level (NoL) index is an index of nociception based on nonlinear combination of heart rate, heart rate variability, photoplethysmograph wave amplitude, skin conductance, skin conductance fluctuations, and their time derivatives. The authors evaluated the abilities of the NoL index and other measures of nociception to discriminate between noxious and nonnoxious stimuli, to progressively respond to graded stimuli, and to respond to opioid administration. METHODS: Intraoperative NoL was compared to heart rate, pulse plethysmograph amplitude, noninvasive blood pressure, and the surgical pleth index around five specific stimuli: tetanic stimulation with and without fentanyl analgesia, intubation, first incision/trocar insertion, and a nonnoxious period...
July 2016: Anesthesiology
https://www.readbyqxmd.com/read/26505573/comparisons-of-electroencephalographically-derived-measures-of-hypnosis-and-antinociception-in-response-to-standardized-stimuli-during-target-controlled-propofol-remifentanil-anesthesia
#14
RANDOMIZED CONTROLLED TRIAL
Mehrnaz Shoushtarian, Marko M Sahinovic, Anthony R Absalom, Alain F Kalmar, Hugo E M Vereecke, David T J Liley, Michel M R F Struys
BACKGROUND: Current electroencephalogram (EEG)-derived measures provide information on cortical activity and hypnosis but are less accurate regarding subcortical activity, which is expected to vary with the degree of antinociception. Recently, the neurophysiologically based EEG measures of cortical input (CI) and cortical state (CS) have been shown to be prospective indicators of analgesia/antinociception and hypnosis, respectively. In this study, we compared CI and an alternate measure of CS, the composite cortical state (CCS), with the Bispectral Index (BIS) and another recently developed measure of antinociception, the composite variability index (CVI)...
February 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/26154185/ability-of-the-nociception-level-a-multiparameter-composite-of-autonomic-signals-to-detect-noxious-stimuli-during-propofol-remifentanil-anesthesia
#15
RANDOMIZED CONTROLLED TRIAL
Chris H Martini, Martijn Boon, Suzanne J L Broens, Evelien F Hekkelman, Lisanne A Oudhoff, Anna Willemijn Buddeke, Albert Dahan
BACKGROUND: A novel multidimensional index of nociception, the nociception level (NoL) index, derived from the nonlinear composite of heart rate (HR), HR variability, amplitude of the photoplethysmogram, skin conductance, fluctuations in skin conductance, and their time derivatives, was used to assess nociception during anesthesia. METHODS: Seventy-two American Society of Anesthesiologists I to III patients received propofol (target bispectral index, 45) and one of six remifentanil target concentrations in the range of 0 to 5 ng/ml...
September 2015: Anesthesiology
https://www.readbyqxmd.com/read/25943998/an-exploratory-study-of-the-bilateral-bispectral-index-for-pain-detection-in-traumatic-brain-injured-patients-with-altered-level-of-consciousness
#16
Caroline Arbour, Céline Gélinas, Carmen G Loiselle, Patricia Bourgault
INTRODUCTION: Many patients with a traumatic brain injury (TBI) cannot communicate because of altered level of consciousness. Although observation of pain behaviors (e.g., frowning) is recommended for pain assessment in nonverbal populations, they are attenuated and sometimes even suppressed in patients with TBI receiving high doses of sedatives. This study explored the potential utility of the bilateral bispectral index system (BIS) for pain detection in critically ill adults with TBI and altered level of consciousness...
June 2015: Journal of Neuroscience Nursing: Journal of the American Association of Neuroscience Nurses
https://www.readbyqxmd.com/read/25916063/comparison-of-the-level-of-intraoperative-nociception-between-laparoscopic-and-open-hepatic-resection
#17
COMPARATIVE STUDY
Kazuma Hashimoto, Hiroki Miyawaki, Sachiko Iwayama, Nobutaka Kariya, Tsuneo Tatara, Munetaka Hirose
BACKGROUND/AIMS: Sufficient suppression of perioperative nociception is important for ensuring favorable postoperative outcomes. Although the level of nociception during laparoscopic surgery is generally lower than during laparotomy, there is insufficient evidence to support this for hepatic resection. METHODOLOGY: To develop a method to retrospectively evaluate the intraoperative nociceptive level, we collected data of intraoperative averaged values of heart rate, perfusion index, systolic blood pressure during three surgeries with different levels of intraoperative nociception...
March 2015: Hepato-gastroenterology
https://www.readbyqxmd.com/read/25901571/prediction-of-nociceptive-responses-during-sedation-by-linear-and-non-linear-measures-of-eeg-signals-in-high-frequencies
#18
Umberto Melia, Montserrat Vallverdú, Xavier Borrat, Jose Fernando Valencia, Mathieu Jospin, Erik Weber Jensen, Pedro Gambus, Pere Caminal
The level of sedation in patients undergoing medical procedures evolves continuously, affected by the interaction between the effect of the anesthetic and analgesic agents and the pain stimuli. The monitors of depth of anesthesia, based on the analysis of the electroencephalogram (EEG), have been progressively introduced into the daily practice to provide additional information about the state of the patient. However, the quantification of analgesia still remains an open problem. The purpose of this work is to improve the prediction of nociceptive responses with linear and non-linear measures calculated from EEG signal filtered in frequency bands higher than the traditional bands...
2015: PloS One
https://www.readbyqxmd.com/read/25540069/postoperative-pain-after-laparoscopic-cholecystectomy-is-not-reduced-by-intraoperative-analgesia-guided-by-analgesia-nociception-index-ani%C3%A2-monitoring-a-randomized-clinical-trial
#19
RANDOMIZED CONTROLLED TRIAL
J A Szental, A Webb, C Weeraratne, A Campbell, H Sivakumar, S Leong
BACKGROUND: Laparoscopic cholecystectomy frequently results in significant immediate postoperative pain. A new pain monitor, analgesic nociception index (ANI®), based on heart rate variability, has recently been approved for intraoperative nociception monitoring. We designed a single-blind, parallel-group, randomized control trial to test the hypothesis that protocol-driven intraoperative analgesia guided by ANI during laparoscopic cholecystectomy would improve titration of intraoperative analgesics leading to decreased postoperative pain...
April 2015: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/25410376/monitoring-depth-of-anesthesia-from-consciousness-to-nociception-a-window-on-subcortical-brain-activity
#20
REVIEW
Isabelle Constant, Nada Sabourdin
Anesthesia results from several inhibitor processes, which interact to lead to loss of consciousness, amnesia, immobility, and analgesia. The anesthetic agents act on the whole brain, the cortical and subcortical areas according to their receptor targets. The conscious processes are rather integrated at the level of the cortical neuronal network, while the nonconscious processes such as the nociception or implicit memory require subcortical processing. A reliable and meaningful monitoring of depth of anesthesia should provide assessment of these different processes...
January 2015: Paediatric Anaesthesia
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