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Santiago Mencía, Alba Palacios, Miriam García, Ana M Llorente, Olga Ordóñez, Blanca Toledo, Jesús López-Herce
OBJECTIVES: To analyze the effectiveness of inhaled sevoflurane in critically ill children with challenging sedation. DESIGN: Prospective case series. SETTING: Two PICUs of university hospitals in Spain. INTERVENTIONS: Prospective observational study and exploratory investigation conducted in two PICUs in Madrid, Spain, over a 6-year period. Children treated with inhaled sevoflurane due to difficult sedation were included...
March 19, 2018: Pediatric Critical Care Medicine
Chao-Liang Tang, Juan Li, Zhe-Tao Zhang, Bo Zhao, Shu-Dong Wang, Hua-Ming Zhang, Si Shi, Yang Zhang, Zhong-Yuan Xia
Dexmedetomidine has sedative, anxiolytic, analgesic, anti-sympathetic, and anti-shivering effects. Dexmedetomidine might be effective in combination with sevoflurane for anesthesia, but prospective randomized controlled clinical trials with which to verify this hypothesis are lacking. In total, 120 patients who underwent embolization of an intracranial aneurysm were recruited from Anhui Provincial Hospital and Renmin Hospital of Wuhan University of China and randomly allocated to two groups. After intraoperative administration of 2% to 3% sevoflurane inhalation, one group of patients received pump-controlled intravenous injection of 1...
February 2018: Neural Regeneration Research
Ze-Yu Zhao, Jian-Hui Gan, Jian-Bo Liu, Qing Cheng
Background: Dexmedetomidine is a useful sedative agent for spinal anesthesia. However, it has been reported to decreases heart rate in a dose-dependent manner. In the present study, we compared the bolus dose of midazolam and bolus loaded dexmedetomidine over 10 min to determine additional sedation methods. Methods: A total of 100 patients who were classified as American Society of Anesthesiologists physical status I-II undergoing spinal anesthesia were randomly divided into two groups...
December 2017: Saudi Journal of Biological Sciences
Kenan Kart, Ayse Hanci
Objective This study aimed to compare the effects of remifentanil and dexmedetomidine on awareness during the induction of general anaesthesia. Material and Methods Ninety patients scheduled for elective caesarean section under general anaesthesia were included and randomly divided into three anaesthesia groups: 2 mg/kg propofol (control group); 2 mg/kg propofol and 1 µg/kg dexmedetomidine (dexmedetomidine group); and 2 mg/kg propofol and 1 µg/kg remifentanil (remifentanil group). All patients received routine monitoring, and Apgar scores at 1 and 5 minutes were recorded...
January 1, 2018: Journal of International Medical Research
Ngai Liu, Thierry Chazot, Marc Fischler
No abstract text is available yet for this article.
April 2018: Anesthesiology
Richard H Epstein, Joni M Maga, Michael E Mahla, Eric S Schwenk, Marc J Bloom
BACKGROUND: Processed electroencephalogram (EEG) monitors help assess the hypnotic state during general anesthesia or sedation. Maintaining the bispectral index (BIS) or state entropy (SE) between 40 and 60 has been recommended to mitigate anesthesia awareness. Nonetheless, SEs > 70 were frequently observed at end-tidal sevoflurane concentrations unlikely to allow awareness. We sought to determine the prevalence of elevated discordant measurements during BIS and SE monitoring. METHODS: Electronic data collected over 11 months at two academic hospitals were retrospectively reviewed...
March 9, 2018: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
Kyoung-Ho Ryu, Keulame Song, Tae-Young Lim, Won-Jun Choi, Yun-Hong Kim, Hyun-Soo Kim
BACKGROUND: Minimum alveolar concentration (MAC) has traditionally been used to compare the potency of volatile anesthetics. However, as it reflects the spinal mechanism of immobility rather than the cerebral mechanism of analgesia and hypnosis, it is doubtful that equi-MAC connotes equivalent analgesic or hypnotic potency. The level of analgesia and hypnosis can be assessed using surgical pleth index and bispectral index (BIS) values, respectively. This study was designed to compare the surgical pleth index and BIS values produced by equi-MAC of desflurane and sevoflurane in patients undergoing single-agent volatile anesthesia...
March 6, 2018: Anesthesiology
Yoko Tonooka, Katsuhisa Sunada
Dexmedetomidine hydrochloride (DEX) demonstrates analgesic, sedative, and hypotensive effects. DEX may also enhance the effect of local anesthetics used in the oral cavity, although this has not been well established in combination with lidocaine. We conducted a single-blind crossover study in 8 healthy volunteers to investigate whether DEX enhances the anesthetic effect of lidocaine in the oral cavity. DEX or DEX + lidocaine was injected into the labial gingiva corresponding to the root apex of the maxillary left central incisor and into the buccal gingiva corresponding to the root apex of the mandibular right first molar...
2018: Anesthesia Progress
C-H Wang, J Luo, J Li, J-Z Zhang, S-Y Huang, W Shao, H-S Ma
OBJECTIVE: To investigate the efficacy of inhalational sevoflurane anesthesia induction on inhibiting the stress response to endotracheal intubation in pediatric patients with congenital heart disease (CHD). PATIENTS AND METHODS: Forty ASA physical status I/II pediatric patients scheduled for interventricular septal defect repair or interatrial septal defect repair, were randomly divided into two groups (20 each): intravenous induction group (Group C) and inhalational sevoflurane anesthesia induction group (Group D)...
February 2018: European Review for Medical and Pharmacological Sciences
Ward Eertmans, Cornelia Genbrugge, Margot Vander Laenen, Willem Boer, Dieter Mesotten, Jo Dens, Frank Jans, Cathy De Deyne
BACKGROUND: We investigated the ability of bispectral index (BIS) monitoring to predict poor neurological outcome in out-of-hospital cardiac arrest (OHCA) patients fully treated according to guidelines. RESULTS: In this prospective, observational study, 77 successfully resuscitated OHCA patients were enrolled in whom BIS, suppression ratio (SR) and electromyographic (EMG) values were continuously monitored during the first 36 h after the initiation of targeted temperature management at 33 °C...
March 2, 2018: Annals of Intensive Care
Marcus Thudium, Ingo Heinze, Richard K Ellerkmann, Tobias Hilbert
BACKGROUND: Postoperative neurological injury still represents a major cause of morbidity after cardiac surgery. Our objective was to compare the limits as well as advantages of routine monitoring tools for the detection of cerebral function and perfusion deficits during cardiopulmonary bypass in a daily clinical setting. METHODS: Adult patients undergoing elective cardiac surgery with use of cardiopulmonary bypass were included. Patients received monitoring comprising Bispectral Index (BIS), Near Infrared Spectroscopy (NIRS) and assessment of middle cerebral artery flow velocity (MCAV) using transcranial Doppler (TCD) sonography...
January 31, 2018: Heart Surgery Forum
Christopher K Kovach, Hiroyuki Oya, Hiroto Kawasaki
Most biological signals are non-Gaussian, reflecting their origins in highly nonlinear physiological systems. A versatile set of techniques for studying non-Gaussian signals relies on the spectral representations of higher moments, known as polyspectra, which describe forms of cross-frequency dependence that do not arise in time-invariant Gaussian signals. The most commonly used of these employ the bispectrum. Recently, other measures of cross-frequency dependence have drawn interest in EEG literature, in particular those which address phase-amplitude coupling (PAC)...
February 23, 2018: NeuroImage
Rajesh M Shetty, Antonio Bellini, Dhuleep S Wijayatilake, Mark A Hamilton, Rajesh Jain, Sunil Karanth, ArunKumar Namachivayam
BACKGROUND: Patients admitted to intensive care and on mechanical ventilation, are administered sedative and analgesic drugs to improve both their comfort and interaction with the ventilator. Optimizing sedation practice may reduce mortality, improve patient comfort and reduce cost. Current practice is to use scales or scores to assess depth of sedation based on clinical criteria such as consciousness, understanding and response to commands. However these are perceived as subjective assessment tools...
February 21, 2018: Cochrane Database of Systematic Reviews
Ebru Tarıkçı Kılıç, Gaye Aydın
We evaluated the effects of intravenous dexmedetomidine during spinal anesthesia on hemodynamics, respiratory rate, oxygen saturation, sedpain, and compared them with those of saline infusion. Sixty American Society of Anesthesiologists physical status I and II cases were randomly divided into two groups. Patients were connected to the monitor after premedication, and spinal anesthesia was administered. Sensory and motor blockades were assessed using pinprick test and Bromage scale, respectively. Group I received dexmedetomidine infusion and Group II received saline infusion...
December 2018: Libyan Journal of Medicine
Atsuko Hirano, Tomohiko Takada, Mariko Senda, Hidemasa Takahashi, Takeo Suzuki
Background: Polymeraze I and transcript release factor ( PTRF ) mutations are a newly recognized disease, which cause congenital generalized lipodystrophy associated with myopathy. Case presentation: A 29-year-old man (height 126 cm; weight 22 kg) with a PTRF mutation was scheduled for mandibular dentigerous cystectomy. His primary symptoms were lipodystrophy, myopathy, long QT syndrome, refractory nephrosis, and abnormal lipid metabolism. Defibrillator pads were applied soon after the patient entered the operating room...
2018: JA Clin Rep
Ming-Ming Han, Fu-Shan Xue, Fang Kang, Xiang Huang, Juan Li
OBJECTIVE: The supraglottic airway device (SAD) can be used for airway management of spontaneous breathing patients, and propofol is commonly applied for the SAD placement. This study was designed to assess the effect of gender on median target effect-site concentration (Ce 50 ) of propofol for I-gel placement when combined with dexmedetomidine. MATERIAL AND METHOD: 19 males and 18 females, aged 18 to 59 and undergoing elective surgery, were enrolled. After intravenous infusion of dexmedetomidine 1...
February 13, 2018: Anaesthesia, Critical Care & Pain Medicine
Carlos R Silva-Filho, Ricardo Antonio G Barbosa, Carlindo V Silva-Jr, Luiz M S Malbouisson, Maria José C Carmona, Silvia Regina C Jorge-Santos
OBJECTIVES: The objective of this study was to apply a pharmacokinetics-pharmacodynamics approach to investigate the free propofol plasma levels in patients undergoing coronary artery bypass grafting under hypothermic conditions compared with the off-pump procedure. METHODS: Nineteen patients scheduled for on-pump coronary artery bypass grafting under hypothermic conditions (n=10) or the equivalent off-pump surgery (n=9) were anesthetized with sufentanil and propofol target-controlled infusion (2 μg/mL) during surgery...
2018: Clinics
Sung-Ae Cho, Tae-Yun Sung, Choon-Kyu Cho, Young Seok Jee, Po-Soon Kang
Background: Propofol is used for supraglottic airway device insertion, often with the i-gel. However, the propofol requirement for i-gel insertion has not been explored in paralyzed patients. This study was performed to explore hemodynamic changes and sedation level with different propofol doses in healthy paralyzed patients when the i-gel was inserted. Methods: A total of 141 patients undergoing a urologic operation were randomly allocated to three groups depending on the propofol dose (1...
February 2018: Korean Journal of Anesthesiology
Mohamed Said Nakhli, Mohamed Kahloul, Taieb Guizani, Chekib Zedini, Ajmi Chaouch, Walid Naija
The role of intraoperative intravenous lidocaine infusion has been previously evaluated for pain relief, inflammatory response, and post-operative recovery, particularly in abdominal surgery. The present study is a randomized double-blinded trial in which we evaluated whether IV lidocaine infusion reduces isoflurane requirement, intraoperative remifentanil consumption and time to post-operative recovery in non-laparoscopic renal surgery. Sixty patients scheduled to undergo elective non-laparoscopic renal surgery under general anesthesia were enrolled to receive either systemic lidocaine infusion (group L: bolus 1...
December 2018: Libyan Journal of Medicine
Wan-Jie Gu, Bai-Ling Hou, Joey S W Kwong, Xin Tian, Yue Qian, Yin Cui, Jing Hao, Ju-Chen Li, Zheng-Liang Ma, Xiao-Ping Gu
BACKGROUND: The association between intraoperative hypotension (IOH) and postoperative outcomes is not fully understood. We performed a meta-analysis to determine whether IOH is associated with increased risk of 30-day mortality, major adverse cardiac events (MACEs) and acute kidney injury (AKI) after non-cardiac surgery. METHODS: We searched PubMed and Embase through May 2016 to identify cohort studies that investigated the association between IOH and risk of 30-day mortality, MACEs, or AKI in adult patients after non-cardiac surgery...
May 1, 2018: International Journal of Cardiology
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