Surendrasingh Chhabada, Chelsea Skinner, Orkun Kopac, Pilar Castro, Edward J Mascha, Dong Wang, Marcelo Gama de Abreu, Alparslan Turan, Daniel I Sessler, Kurt Ruetzler
BACKGROUND: Obesity distorts airways and slightly complicates intubations in adults, but whether obesity complicates pediatric intubations remains unclear. We, therefore, tested the primary hypothesis that increasing age- and sex-specific body mass index (BMI) percentile is associated with difficult intubation, defined as >1 intubation attempt. METHODS: We conducted a retrospective analysis of pediatric patients between 2 and 18 years of age who had noncardiac surgery with oral endotracheal intubation...
March 15, 2023: Anesthesia and Analgesia
Igor Kissin
The concept that the state of general anesthesia consists of a number of components representing the distinct and desired central effects of general anesthetics was formulated when it was common to believe that all components of anesthesia have a lipid-centered mechanism of action. The transformation of this concept was associated with changes in our understanding of the mechanisms underlying general anesthetic action. First came the shift from a lipid- to a protein-centered mechanism of action, which opened the way to various molecular targets associated with general anesthesia...
March 14, 2023: Anesthesia and Analgesia
Hirotaka Kinoshita, Junichi Saito, Tetsuya Kushikata, Tasuku Oyama, Daiki Takekawa, Eiji Hashiba, Teiji Sawa, Kazuyoshi Hirota
BACKGROUND: We investigated the associations between postoperative delirium (POD) and both the relative ratio of the alpha (α)-power of electroencephalography (EEG) and inflammatory markers in a prospective, single-center observational study. METHODS: We enrolled 84 patients who underwent radical cancer surgeries with reconstruction for esophageal cancer, oral floor cancer, or pharyngeal cancer under total intravenous anesthesia. We collected the perioperative EEG data and the perioperative data of the inflammatory markers, including neutrophil gelatinase-associated lipocalin, presepsin, procalcitonin, C-reactive protein, and the neutrophil-lymphocyte ratio (NLR)...
March 14, 2023: Anesthesia and Analgesia
Paymon M Azizi, Duminda N Wijeysundera, Harindra C Wijeysundera, Peter C Austin, Angela Jerath, Ahmed Kayssi, Dennis T Ko
BACKGROUND: Acute myocardial injury after noncardiac surgery, which is most often symptomatically silent, is associated with increased mortality and morbidity. However, it is not known if routine postoperative troponin testing will affect patient outcomes. METHODS: We assembled a cohort of patients who underwent carotid endarterectomy or abdominal aortic aneurysm repair in Ontario, Canada, from 2010 to 2017. Hospitals were categorized into high, medium, and low troponin testing intensity based on the proportion of patients who received postoperative troponin testing...
March 8, 2023: Anesthesia and Analgesia
Sandra Spijkerman, Dianne Mary Manning, Lionel Patrick Green-Thompson
BACKGROUND: Safe anesthesia is imperative for the Global Surgery agenda and Sustainable Development Goal 3. Due to a shortage of specialists in South Africa (SA), anesthetic services are often provided by nonspecialist doctors, often newly qualified and frequently without immediate supervision. The burden of disease in the developing world demands fit-for-purpose, day-one medical graduates. Although undergraduate anesthesia training is mandatory for medical students in SA, no outcomes are specified, and these are decided autonomously at each medical school...
March 8, 2023: Anesthesia and Analgesia
Xi Meng, Jiangfeng Ye, Ping Qiao, Tai Ren, Qing Luo, Ling-Qun Hu, Jun Zhang
BACKGROUND: The use of labor neuraxial analgesia (NA) in China has increased significantly in the past decade, and the current rate of use is unknown. This study aimed to describe the epidemiology of NA based on a large multicenter cross-sectional survey, the China Labor and Delivery Survey (CLDS) (2015-2016), and to evaluate the association between NA and intrapartum caesarean delivery (CD) and maternal and neonatal outcomes. METHODS: The CLDS was a facility-based cross-sectional investigation with a cluster random sampling scheme conducted from 2015 to 2016...
March 7, 2023: Anesthesia and Analgesia
Laura A Santa Cruz Mercado, Johanna M Lee, Ran Liu, Hao Deng, Jasmine J Johnson, Andrew L Chen, Mingjian He, Evan R Chung, Kishore M Bharadwaj, Timothy T Houle, Patrick L Purdon, Chang A Liu
BACKGROUND: Infants under spinal anesthesia appear to be sedated despite the absence of systemic sedative medications. In this prospective observational study, we investigated the electroencephalogram (EEG) of infants under spinal anesthesia and hypothesized that we would observe EEG features similar to those seen during sleep. METHODS: We computed the EEG power spectra and spectrograms of 34 infants undergoing infraumbilical surgeries under spinal anesthesia (median age 11...
March 7, 2023: Anesthesia and Analgesia
Xavier Capdevila, Sigismond Lasocki, Alexis Duchalais, Jean-Christophe Rigal, Patrice Mertl, Pierre Ghewy, Frédéric Farizon, Thomas Lanz, Axel Buckert, Samia Belarbia, Jean-Noël Trochu, Patrice Cacoub
BACKGROUND: The management of perioperative iron deficiency is a component of the concept of patient blood management. The objective of this study was to update French data on the prevalence of iron deficiency in patients scheduled for major surgery. METHODS: The CARENFER PBM study was a prospective cross-sectional study in 46 centers specialized in orthopedic, cardiac, urologic/abdominal, or gynecological surgery. The primary end point was the prevalence of iron deficiency at the time of surgery (D-1/D0) defined as serum ferritin <100 µg/L and/or transferrin saturation (TSAT) <20%...
March 7, 2023: Anesthesia and Analgesia
Ziyu Gan, Julia M Rosenbloom, Elizabeth De Souza, T Anthony Anderson
BACKGROUND: Children increasingly undergo diagnostic imaging procedures, sometimes with general anesthesia (GA). It is unknown whether the use of GA differs by race/ethnicity among children undergoing magnetic resonance imaging (MRI) scans. METHODS: This is a retrospective cohort study of GA use for pediatric patients from 0 to 21 years of age who underwent MRIs from January 1, 2004 to May 31, 2019. The study sample was stratified into 5 age groups: 0 to 1, 2 to 5, 6 to 11, 12 to 18, and 19 to 21...
March 1, 2023: Anesthesia and Analgesia
Rachel A Hadler, Franklin Dexter, Blake D Mergler
BACKGROUND: Many intensive care unit patients are awake (ie, alert and engaging in conversation), actively experiencing many facets of their critical care. The Patient Dignity Inventory can be used to elicit sources of distress in these patients. We examined the administrative question as to which awake intensive care unit patients should be evaluated and potentially treated (eg, through palliative care consultation) for distress. Should the decision to screen for distress be based on patient demographics or treatment conditions? METHODS: This was a retrospective cohort study of 155 adult patients from 5 intensive care units of one hospital from 2019 to 2020...
February 24, 2023: Anesthesia and Analgesia
Kurt Ruetzler, Mateo Montalvo, Omer Bakal, Hani Essber, Julian Rössler, Edward J Mascha, Yanyan Han, Mangala Ramachandran, Allen Keebler, Alparslan Turan, Daniel I Sessler
BACKGROUND: Nociception is the physiological response to nociceptive stimuli, normally experienced as pain. During general anesthesia, patients experience and respond to nociceptive stimuli by increasing blood pressure and heart rate if not controlled by preemptive analgesia. The PMD-200 system from Medasense (Ramat Gan, Israel) evaluates the balance between nociceptive stimuli and analgesia during general anesthesia and generates the nociception level (NOL) index from a single finger probe...
February 20, 2023: Anesthesia and Analgesia
Daniel S Rubin, Antonia Z Lin, R Parker Ward, Peter Nagele
BACKGROUND: The frequency of perioperative myocardial infarction has been declining; however, previous studies have only described type 1 myocardial infarctions. Here, we evaluate the overall frequency of myocardial infarction with the addition of an International Classification of Diseases 10th revision (ICD-10-CM) code for type 2 myocardial infarction and the independent association with in-hospital mortality. METHODS: A longitudinal cohort study spanning the introduction of the ICD-10-CM diagnostic code for type 2 myocardial infarction using the National Inpatient Sample (NIS) from 2016 to 2018...
February 16, 2023: Anesthesia and Analgesia
Shahla Siddiqui, Matthew A Warner, Lauren Kelly, Erika Monteith, David J Douin, Domagoj Mladinov, Shahzad Shaefi, Robert D Stevens, Avery Tung, Robert N Sladen
BACKGROUND: Increased burnout and decreased professional fulfillment among intensive care physicians is partly due to intensive care unit (ICU) workload. Although the SARS-CoV-2 (COVID-19) pandemic increased ICU workload, it also may have increased feelings of personal fulfillment due to positive public perceptions of physicians caring for COVID patients. We surveyed critical care anesthesiologists to identify the effect of provider demographics, ICU workload, and COVID-19-related workload, on professional fulfillment and burnout...
February 15, 2023: Anesthesia and Analgesia
Jamey J Snell, Justin L Lockman, Santhanam Suresh, Debnath Chatterjee, Herodotos Ellinas, K Karisa Walker, Adolfo Gonzalez, Laura Edgar, Aditee P Ambardekar
Formal training in the subspecialty of pediatric anesthesiology began >60 years ago. Over the years, the duration and clinical work has varied, but what has stayed constant is a mission to develop clinically competent and professionally responsible pediatric anesthesiologists. Since accreditation in 1997, there has been additional guidance by the Accreditation Council on Graduate Medical Education (ACGME) and greater accountability to the public that we, indeed, are producing competent and professional pediatric anesthesiologists...
February 13, 2023: Anesthesia and Analgesia
Pierre-Grégoire Guinot, Stefan Andrei, Bastien Durand, Audrey Martin, Valerian Duclos, Alexandra Spitz, Vivien Berthoud, Tiberiu Constandache, Sandrine Grosjean, Mohamed Radhouani, Jean-Baptiste Anciaux, Maxime Nguyen, Belaid Bouhemad
BACKGROUND: There are no data on the effect of balanced nonopioid general anesthesia with lidocaine in cardiac surgery with cardiopulmonary bypass. The main study objective was to evaluate the association between nonopioid general balanced anesthesia and the postoperative complications in relation to opioid side effects. METHODS: Patients undergoing cardiac surgery with cardiopulmonary bypass between 2019 and 2021 were identified. After exclusion of patients for heart transplantation, left ventricular assistance device, and off-pump surgery, we classified patients according to an opioid general balanced anesthesia or a nonopioid balanced anesthesia with lidocaine...
February 10, 2023: Anesthesia and Analgesia
Jongbae Son, Heejoon Jeong, Jeonghee Yun, Yeong Jeong Jeon, Junghee Lee, Sumin Shin, Hong Kwan Kim, Yong Soo Choi, Jhingook Kim, Jae Ill Zo, Young Mog Shim, Jong Ho Cho, Hyun Joo Ahn
BACKGROUND: Pulmonary resection surgery causes severe postoperative pain and usually requires opioid-based analgesia, particularly in the early postoperative period. However, the administration of large amounts of opioids is associated with various adverse events. We hypothesized that patients who underwent pulmonary resection under an enhanced recovery after surgery (ERAS) program consumed fewer opioids than patients who received conventional treatment. METHODS: A total of 2147 patients underwent pulmonary resection surgery between August 2019 and December 2020...
February 8, 2023: Anesthesia and Analgesia
Mingyue Zhang, Yali Chen, Ting Xu, Jingyao Jiang, Donghang Zhang, Han Huang, Charles D Kurth, Ian Yuan, Rurong Wang, Jin Liu, Tao Zhu, Cheng Zhou
BACKGROUND: General anesthetics (eg, propofol and volatile anesthetics) enhance the slow-delta oscillations of the cortical electroencephalogram (EEG), which partly results from the enhancement of (γ-aminobutyric acid [GABA]) γ-aminobutyric acid-ergic (GABAergic) transmission. There is a GABAergic excitatory-inhibitory shift during postnatal development. Whether general anesthetics can enhance slow-delta oscillations in the immature brain has not yet been unequivocally determined...
February 8, 2023: Anesthesia and Analgesia
Ming-Chun Hsieh, Cheng-Yuan Lai, Wen-Long Cho, Li-Ting Lin, Chou-Ming Yeh, Po-Sheng Yang, Jen-Kun Cheng, Hsueh-Hsiao Wang, Kuan-Hung Lin, Siao-Tong Nie, Tzer-Bin Lin, Hsien-Yu Peng
BACKGROUND: The microtubule-stabilizing drug paclitaxel (PTX) is an important chemotherapeutic agent for cancer treatment and causes peripheral neuropathy as a common side effect that substantially impacts the functional status and quality of life of patients. The mechanistic role for NIMA-related kinase 2 (NEK2) in the progression of PTX-induced neuropathic pain has not been established. METHODS: Adult male Sprague-Dawley rats intraperitoneally received PTX to induce neuropathic pain...
February 8, 2023: Anesthesia and Analgesia
David R Hillman, Melissa Carlucci, Jean G Charchaflieh, Tom V Cloward, Bhargavi Gali, Peter C Gay, M Melanie Lyons, Margaret M McNeill, Mandeep Singh, Meltem Yilmaz, Dennis H Auckley
This article addresses the issue of patient sleep during hospitalization, which the Society of Anesthesia and Sleep Medicine believes merits wider consideration by health authorities than it has received to date. Adequate sleep is fundamental to health and well-being, and insufficiencies in its duration, quality, or timing have adverse effects that are acutely evident. These include cardiovascular dysfunction, impaired ventilatory function, cognitive impairment, increased pain perception, psychomotor disturbance (including increased fall risk), psychological disturbance (including anxiety and depression), metabolic dysfunction (including increased insulin resistance and catabolic propensity), and immune dysfunction and proinflammatory effects (increasing infection risk and pain generation)...
April 1, 2023: Anesthesia and Analgesia
Sousan Hamwi, Henrique Barros, Elsa Lorthe
BACKGROUND: Neuraxial analgesia (NA) is the most effective modality in managing labor pain with widespread availability in high-income countries. Previous research has reported a differential obstetric NA use among migrant and native women, but the contribution of language barriers is not well understood. We aimed to investigate whether host-country language proficiency among migrant women influences NA use and satisfaction with pain management during labor, when compared to natives. METHODS: We conducted a secondary analysis of data collected from 1024 native and 1111 migrant women who had singleton vaginal deliveries between 2017 and 2019 and were enrolled in the nationwide Portuguese baMBINO prospective cohort study...
January 30, 2023: Anesthesia and Analgesia
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