A Plague on Both Your Monitors! Are Bispectral Index and Cerebral Oximetry Useful for Reducing Postoperative Cognitive Impairment?

Klinger, Rebecca Y.; Bottiger, Brandi; Berger, Miles

doi:10.1053/j.jvca.2020.01.001

Cited by 2 publications

(2 citation statements)

References 18 publications

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“…The results of the above studies show that BIS monitoring improves the quality of anesthesia and is convenient for drug control, but BIS evaluation of anesthesia depth obviously depends on the anesthesia method used, mainly reflecting the patient's sedation or sleep depth. Patients with high-dose opioids may still show shallow anesthesia when there is no obvious somatic reaction to skin incision, indicating that BIS is different in evaluating the effects of analgesics and sedatives [ 22 ]. In conclusion, BIS changes with the increase or decrease in anesthetic concentration and dose and with the increase or decrease in surgical stimulation intensity.…”

Section: Related Workmentioning

confidence: 99%

Effect of Carbon Dioxide on Bispectral Index of EEG under Intravenous Target-Controlled Anesthesia Based on Intelligent Medical Treatment

Li³

et al. 2022

Journal of Healthcare Engineering

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Laparoscopic surgery has the advantages of less trauma and quick recovery, and it is more and more favored by surgeons and patients in clinical practice. However, the impact of carbon dioxide pneumoperitoneum on the body during laparoscopic surgery has attracted the attention of many scholars. Pneumoperitoneum can cause increased cerebral blood flow and increased intracranial pressure, cerebral metabolic rate is highly correlated with blood carbon dioxide partial pressure, and cerebral metabolism without cardiopulmonary bypass is linearly correlated with the depth of anesthesia. Electroencephalographic (EEG) bispectral index (BIS) is a signal analysis method, which can directly measure the effect of drugs on the cerebral cortex and reflect the depth of anesthesia. Based on this, this study takes smart medical treatment as the background and uses the improved BP neural network as a tool to explore the effect of carbon dioxide on EEG bispectral index under intravenous target-controlled anesthesia. The main purpose is to observe the correlation between arterial blood carbon dioxide partial pressure and EEG bispectral index under propofol target-controlled anesthesia during retroperitoneal laparoscopic surgery. The experimental results show that the model proposed in this study can efficiently and accurately obtain the size of the influencing factors, which provides a clinical basis for the anesthesia management and anesthesia depth regulation of carbon dioxide pneumoperitoneum laparoscopic surgery.

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Section: Related Workmentioning

confidence: 99%

Effect of Carbon Dioxide on Bispectral Index of EEG under Intravenous Target-Controlled Anesthesia Based on Intelligent Medical Treatment

Li³

et al. 2022

Journal of Healthcare Engineering

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“…Monitoring of peripheral oxygen saturation and partial oxygen pressure in blood gas is not sufficient to assess the adequacy of cerebral perfusion and tissue oxygenation 27 . NIRS is a method used for the monitoring of tissue oxygenation, as well as the detection of cerebral desaturation in recent years as it measures rSO 2 values as accurately as invasive techniques 28 . The incidence of cerebral desaturation can vary between 28-70% in the studies conducted on thoracic surgery, because the baseline control values compared are very different 27,29,30 .…”

Section: Discussionmentioning

confidence: 99%

El efecto de diferentes técnicas de anestesia sobre la oxigenación cerebral en cirugía torácica

Akdoğan¹,

Beşir²,

Kutanıs³

et al. 2022

CIRU

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Objective: One-lung ventilation may cause negative changes in the oxygenation of cerebral tissue which results in post-operative cognitive dysfunction. We compared the potential effects of total intravenous anesthesia and inhalation general anesthesia techniques on cerebral tissue oxygenation Materials and methods: In this prospective double-blind trial, patients whose standard anesthesia induction was done were randomly divided into two groups as group total intravenous anesthesia using propofol (Group T, n = 30) and group inhalation general anesthesia using sevoflurane (Group I, n = 30) based on anesthesia maintenance. The intraoperative cerebral oxygen saturation and pre-post-operative mini-mental status test scores of the patients were monitored and recorded. Results: Baseline characteristics were similar between the two groups. The decrease of cerebral oxygen saturation more than 20% in total intravenous anesthesia group was significantly higher than inhalation group (p < 0.05). In both groups, the mini-mental status test values at the post-operative 3 rd h were significantly lower than the preoperative and post-operative 24 th h values (p < 0.05). Conclusions: Inhalation general anesthesia provided better cerebral tissue oxygenation in thoracic surgery with one-lung ventilation compared to total intravenous anesthesia. However, there was no significant correlation between the presence of desaturation and post-operative cognitive dysfunction

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A Plague on Both Your Monitors! Are Bispectral Index and Cerebral Oximetry Useful for Reducing Postoperative Cognitive Impairment?

Cited by 2 publications

References 18 publications

Effect of Carbon Dioxide on Bispectral Index of EEG under Intravenous Target-Controlled Anesthesia Based on Intelligent Medical Treatment

Effect of Carbon Dioxide on Bispectral Index of EEG under Intravenous Target-Controlled Anesthesia Based on Intelligent Medical Treatment

El efecto de diferentes técnicas de anestesia sobre la oxigenación cerebral en cirugía torácica

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