Objectives/aims: There has been no dentistry-specific published data supporting the use of monitoring with capnography for dental sedation. Our aim was to determine if adding capnography to standard monitoring during conscious sedation with midazolam would decrease the incidence of hypoxaemia.
Materials And Methods: A randomised controlled trial was conducted in which all patients (ASA I and II) received standard monitoring and capnography, but were randomised to whether staff could view the capnography (intervention) or were blinded to it (control). The primary outcome was the incidence of hypoxaemia (SpO⩽94%).
Results: We enrolled 190 patients, mean age 31 years (range, 14-62 years). There were 93 patients in the capnography group and 97 in the control group. The mean cumulative dose of midazolam titrated was 6.94 mg (s.d., 2.31; range, 3-20 mg). Six (3%) patients, three in each group, required temporary supplemental oxygen. There was no statistically significant difference between the capnography and control groups for the incidence of hypoxaemia: 34.4 vs 39.2% (=0.4962, OR=0.81, 95% CI: 0.45-1.47).
Conclusions: We were unable to confirm an additive role for capnography to prevent hypoxaemia during conscious sedation with midazolam for patients not routinely administered supplemental oxygen.
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http://dx.doi.org/10.1038/bdjopen.2017.19 | DOI Listing |
J Hepatobiliary Pancreat Sci
January 2025
Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan.
Background/purpose: Insufficient studies exist on capnography efficacy during endoscopic ultrasound or endoscopic retrograde cholangiopancreatography, and no definitive conclusions have been drawn. To evaluate the feasibility and efficacy of a novel mainstream capnography using an over-the-biteblock end-tidal CO (EtCO) detector in decreasing the risk of hypoxemia during endoscopic ultrasound (EUS) and endoscopic retrograde cholangiopancreatography (ERCP).
Methods: Patients undergoing EUS or ERCP with conscious sedation at a single Japanese center were randomized to a control or a novel capnography monitored (intervention) group in a 1:1 ratio.
Anesth Analg
January 2025
From the Department of Anesthesia and Pain Management, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada.
Background: Total intravenous anesthesia (TIVA)-based and volatile-based general anesthesia have different effects on cerebral hemodynamics. The current work compares these 2 regimens in acute ischemic stroke patients undergoing endovascular therapy.
Methods: We conducted a systematic literature search across MEDLINE, Embase, Cochrane, CINAHL, Web of Science, and Scopus.
J Thorac Dis
December 2024
Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China.
Background: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is a critical method for diagnosing lung cancer. While EBUS-TBNA is commonly performed under conscious sedation, the potential benefits of conducting the procedure under general anesthesia and incorporating rapid on-site evaluation (ROSE) to enhance diagnostic yield remain uncertain. This study aims to investigate the impact of anesthesia methods and ROSE on the diagnostic efficacy of EBUS-TBNA for lung cancer.
View Article and Find Full Text PDFBrain Commun
December 2024
Department of Clinical Neurosciences, Lausanne University Hospital (CHUV), University of Lausanne, 1011 Lausanne, Switzerland.
A key question for the scientific study of consciousness is whether it is possible to identify specific features in brain activity that are uniquely linked to conscious experience. This question has important implications for the development of markers to detect covert consciousness in unresponsive patients. In this regard, many studies have focused on investigating the neural response to complex auditory regularities.
View Article and Find Full Text PDFAnn Med
December 2025
Department of Anesthesiology, Hunan Children's Hospital, Changsha, Hunan, China.
Introduction: Esketamine has unique advantages in combination with dexmedetomidine for sedation in young children, owing to its sympathetic activity and mild respiratory depression. However, the optimal dose is yet to be determined. In this study, we compared the different doses of intranasal esketamine combined with dexmedetomidine for sedation during transthoracic echocardiography in toddlers.
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