Martina T Melvin, Naveed T Siddiqui, Evan Wild, Matteo Parotto, Vsevolod S Perelman, Kong Eric You-Ten
BACKGROUND: The high-fidelity ORSIM (Airway Simulation Ltd) and the low-fidelity wooden-block fiber-optic task trainers allow users to familiarize themselves with the psychomotor skills required to manipulate the fiber-optic scope. METHODS: This single-center study aimed to compare residents' performance of fiber-optic intubation after 2 different types of task training. Twenty-four residents with experience of <8 fiber-optic intubations were randomized to either the ORSIM or a wooden-block task trainer...
November 29, 2022: Anesthesia and Analgesia
Michael P Schnetz, David J Danks, Aman Mahajan
BACKGROUND: Intraoperative hypotension (IOH) is strongly linked to organ system injuries and postoperative death. Blood pressure itself is a powerful predictor of IOH; however, it is unclear which pressures carry the lowest risk and may be leveraged to prevent subsequent hypotension. Our objective was to develop a model that predicts, before surgery and according to a patient's unique characteristics, which intraoperative mean arterial pressures (MAPs) between 65 and 100 mm Hg have a low risk of IOH, defined as an MAP <65 mm Hg, and may serve as testable hemodynamic targets to prevent IOH...
November 18, 2022: Anesthesia and Analgesia
Jennifer E Dominguez, Chad A Grotegut, Mary Cooter Wright, Ashraf S Habib
BACKGROUND: Previous studies of obstructive sleep apnea (OSA) risk in gravidas with chronic hypertension (cHTN) did not control for obesity as a risk factor for OSA. We therefore performed this study to evaluate whether OSA is more prevalent among gravidas with cHTN compared to normotensive gravidas matched for body mass index (BMI) and gestational age (primary outcome). We also assessed whether OSA is more severe when comorbid with cHTN in pregnancy (secondary outcome). METHODS: This was a single-center, prospective cohort study...
November 10, 2022: Anesthesia and Analgesia
Alexandra Ruan, Alexandra Klein, Preya Jhita, Natalya Hasan-Hill, Steven L Shafer, Pamela D Flood
BACKGROUND: Night float call systems are becoming increasingly common at training programs with the goal of reducing fatigue related to sleep deprivation and sleep disturbance. Previous studies have shown that trainees obtain less sleep during the night float rotation and have decreased sleep efficiency for several days after the rotation. The impact on physical and emotional well-being has not been documented. METHODS: Twenty-seven anesthesia residents were enrolled in a study using wearable sleep and activity trackers and National Institutes of Health Patient-Reported Outcome Measurement Information System (NIH PROMIS) surveys for sleep disturbance, fatigue, and positive affect to record data the week before ("baseline"), during ("night float"), and 1 week after ("recovery") their night float rotation...
November 7, 2022: Anesthesia and Analgesia
Xin Qi, Fei Zou, Xin Wei, Ying Wu, Lijun Cao, Junmei Xu, Yulong Cui
BACKGROUND: The aim of this study was to explore whether ice slush (IS) causing local hypothermia can effectively inhibit the oculocardiac reflex (OCR) during strabismus surgery. METHODS: This prospective, randomized, double-blind study included 58 patients with concomitant strabismus scheduled for lateral rectus (LR) recession under general anesthesia. Patients were randomly allocated to receive IS (IS group) or standard treatment (control group) with sterile saline at room temperature before surgery...
November 2, 2022: Anesthesia and Analgesia
Jia-Li Jiang, Lu Zhang, Lei-Lei He, Hong Yu, Xue-Fei Li, Shun-Hui Dai, Hai Yu
BACKGROUND: The effect of anesthesia regimens on postoperative delirium after on-pump cardiac valve surgery is yet undetermined. This study aimed to evaluate the effect of volatile anesthesia compared with propofol-based total intravenous anesthesia (TIVA) on the occurrence of delirium after on-pump cardiac valve surgery. METHODS: This randomized clinical trial was conducted at a university academic hospital in China, from February 2019 to January 2021. Patients scheduled for on-pump cardiac valve surgery or combined valve with coronary artery bypass grafting (CABG) surgeries were randomly assigned to receive anesthesia maintenance with either a volatile anesthetic (sevoflurane or desflurane) or propofol-based TIVA...
October 27, 2022: Anesthesia and Analgesia
Chanyan Huang, Xuan Wang, Shaowei Gao, Wei Luo, Xu Zhao, Qian Zhou, Wenqi Huang, Ying Xiao
BACKGROUND: Although sugammadex is well known for its use in reducing the incidence of residual neuromuscular blockade, this has not always been translated to improved clinical measures of postoperative respiratory muscle strength. Expiratory muscles play an important role in airway clearance and inspiratory muscle capacity augmentation, yet they have not been well studied. Therefore, we tested the hypothesis on whether sugammadex could enhance expiratory muscle strength recovery more completely than neostigmine in the immediate postextubation period...
October 24, 2022: Anesthesia and Analgesia
Olivier Belin, Charlotte Casteres, Souhail Alouini, Marc Le Pape, Abderrahmane Dupont, Thierry Boulain
BACKGROUND: To counteract the vasoplegia induced by spinal anesthesia (SA) and maintain blood pressure (BP) during cesarean delivery, phenylephrine is currently recommended, but norepinephrine might offer superior preservation of cardiac output. We aimed to compare the hemodynamic effects of phenylephrine and norepinephrine administered by manually adjusted continuous infusion during elective cesarean delivery. METHODS: In this pragmatic, parallel-group, double-blind randomized controlled trial, 124 parturients scheduled for elective cesarean delivery under SA in a tertiary maternity in France, between February 2019 and December 2020, were randomized to receive norepinephrine at a starting rate of 0...
October 24, 2022: Anesthesia and Analgesia
Meredith A Kato, David Zurakowski, AmandaMarie Adams, Julie Soelberg, Steven J Staffa, Victoria A Bradford, Proshad N Efune, Megan E Rodgers McCormick, Anastasia D Grivoyannis, Elizabeth Rossmann Beel, Lynnie R Correll, Eric C Cheon, Gee Mei Tan, James J Thomas, Allison M Fernandez, Howard C Teng, Neha Khanna, Vidya T Raman, Alyssa B Brzenski, Brian J Frugoni, Michelle M Sheth, Rahil M Rugnath, Petra M Meier
BACKGROUND: The Pediatric Anesthesia COVID-19 Collaborative (PEACOC) is a research network to advance the care of children during the pandemic. Here we calculate the prevalence of coronavirus disease 2019 (COVID-19) among children undergoing anesthesia, look at prevalence in the population data from the Centers for Disease Control and Prevention (CDC), and assess independent risk factors for infection. METHODS: This was a multicenter, retrospective, observational study...
October 21, 2022: Anesthesia and Analgesia
Jean de Dieu H Tuyishime, Joseph Niyitegeka, Adeyemi J Olufolabi, Samuel Powers, Bhiken I Naik, Siny Tsang, Marcel E Durieux, Theogene Twagirumugabe
BACKGROUND: The efficacy of postoperative nausea and vomiting (PONV) prevention protocols in low-income countries is not well known. Different surgical procedures, available medications, and co-occurring diseases imply that existing protocols may need validation in these settings. We assessed the association of a risk-directed PONV prevention protocol on the incidence of PONV and short-term surgical outcomes in a teaching hospital in Rwanda. METHODS: We compared the incidence of PONV during the first 48 hours postoperatively before (April 1, 2019-June 30, 2019; preintervention) and immediately after (July 1, 2019-September 30, 2019; postintervention) implementing an Apfel score-based PONV prevention strategy in 116 adult patients undergoing elective open abdominal surgery at Kigali University Teaching Hospital in Rwanda...
October 12, 2022: Anesthesia and Analgesia
Rebecca L Zon, Lauren E Merz, Kara G Fields, Jessica Grandoni, Jessica C Stuart, Rachel H Occhiogrosso, Linda Li, Rebecca M Baron, Laura E Fredenburgh, Ann E Woolley, Jean M Connors, Gyorgy Frendl
BACKGROUND: Patients with coronavirus disease 2019 (COVID-19) can present with severe respiratory distress requiring intensive care unit (ICU)-level care. Such care often requires placement of an arterial line for monitoring of pulmonary disease progression, hemodynamics, and laboratory tests. During the first wave of the COVID-19 pandemic in March 2020, experienced physicians anecdotally reported multiple attempts, decreased insertion durations, and greater need for replacement of arterial lines in patients with COVID-19 due to persistent thrombosis...
October 11, 2022: Anesthesia and Analgesia
Derek J Roberts, Rahul Mor, Michael N Rosen, Robert Talarico, Manoj M Lalu, Angela Jerath, Duminda N Wijeysundera, Daniel I McIsaac
BACKGROUND: Although neuraxial anesthesia may promote improved outcomes for patients undergoing lower limb revascularization surgery, its use is decreasing over time. Our objective was to estimate variation in neuraxial (versus general) anesthesia use for lower limb revascularization at the hospital, anesthesiologist, surgeon, and patient levels, which could inform strategies to increase uptake. METHODS: Following protocol registration, we conducted a historical cross-sectional analysis of population-based linked health administrative data in Ontario, Canada...
October 11, 2022: Anesthesia and Analgesia
Shubhangi Singh, Daniela A Carusi, Penny Wang, Elena Reitman-Ivashkov, Ruth Landau, Kara G Fields, Carolyn F Weiniger, Michaela K Farber
BACKGROUND: Placenta accreta spectrum (PAS) is a disorder of abnormal placentation associated with severe postpartum hemorrhage, maternal morbidity, and mortality. Predelivery prediction of this condition is important to determine appropriate delivery location and multidisciplinary planning for operative management. This study aimed to validate a prediction model for PAS developed by Weiniger et al in 2 cohorts who delivered at 2 different United States tertiary centers. METHODS: Cohort A (Brigham and Women's Hospital; N = 253) included patients with risk factors (prior cesarean delivery and placenta previa) and/or ultrasound features of PAS presenting to a tertiary-care hospital...
October 6, 2022: Anesthesia and Analgesia
Carlos A Ibarra Moreno, Natalia Kraeva, Elena Zvaritch, Heinz Jungbluth, Nicol C Voermans, Sheila Riazi
BACKGROUND: Patients susceptible to malignant hyperthermia (MH) may experience disabling manifestations of an unspecified myopathy outside the context of anesthesia, including myalgia, fatigue, or episodic rhabdomyolysis. Clinical observations suggest that oral dantrolene may relief myopathic symptoms in MH-susceptible (MHS) patients. However, high-dose oral dantrolene has been associated with severe hepatotoxicity. METHODS: In a retrospective database review (1994-2018), we investigated a cohort of patients who were diagnosed as MHS by a positive caffeine-halothane contracture test (CHCT), had myopathic manifestations, and received oral dantrolene...
October 6, 2022: Anesthesia and Analgesia
Caitlin L Cohen, Kelly J Atkins, Lisbeth A Evered, Brendan S Silbert, David A Scott
BACKGROUND: Postoperative delirium (POD) is an acute syndrome including inattention and impaired cognition that affects approximately 42% of older cardiac surgical patients. POD is linked to adverse outcomes including morbidity, mortality, and further cognitive decline. Less is known about the subjective psychological experience of POD and its ongoing impact on well-being. METHODS: We performed a qualitative analysis of the long-term psychological sequelae of older adults who experience POD after cardiac surgery...
October 6, 2022: Anesthesia and Analgesia
Vaskar Das, Michael B Basovich, Jeffrey S Kroin, Asokumar Buvanendran, Robert J McCarthy
BACKGROUND: Disk herniation is a primary cause of radicular back pain. The purpose of this study was to evaluate the antiallodynic effective dose in 50% of the sample (ED50) and dorsal root ganglion (DRG) protein modulation of a peripheral direct adenosine monophosphate kinase alpha (AMPKα) activator (O304) in a murine model of lumbar disk puncture. METHODS: Male (n = 28) and female (n = 28) mice (C57BL6/J) were assessed for hind paw withdrawal threshold (PWT) and burrowing...
October 6, 2022: Anesthesia and Analgesia
Huib van Dijk, Mark P Hendriks, Marga M van Eck-Smaling, Leo van Wolfswinkel, Kim van Loon
BACKGROUND: Procedural sedation and analgesia (PSA) for diagnostic and minimally invasive therapeutic procedures has become common practice in children of all ages. Based on our clinical experience, we suspected an inverse relation between age and dosage. However, a schedule for age-stratified propofol induction and maintenance dosage for PSA was not available and could be helpful to many anesthesiologists as a reference. METHODS: We performed a retrospective cohort study of children who received procedural sedation at the Wilhelmina Children's Hospital (WKZ), a tertiary pediatric hospital part of the University Medical Center Utrecht (UMCU), between June 2007 and December 2020...
September 23, 2022: Anesthesia and Analgesia
Adam A Dalia, Matthew W Vanneman, Himani V Bhatt, Christopher A Troianos, Gordon H Morewood, Matthew A Klopman
Increasing cardiac procedural volume, a shortage of practicing cardiac anesthesiologists, and growth in specialist physician compensation would be expected to increase cardiac anesthesiologist compensation and work load. Additionally, more cardiac anesthesiologists are graduating from accredited fellowships and completing echocardiography certification. The Society of Cardiovascular Anesthesiologists (SCA) biannual salary survey longitudinally measures these data; we analyzed these data from 2010 to 2020 and hypothesized survey respondent inflation-adjusted total compensation, work load, and training would increase...
September 23, 2022: Anesthesia and Analgesia
Grace Lim, Mieke Soens, Anne Wanaselja, Arthur Chyan, Brendan Carvalho, Ruth Landau, Ronald B George, Mary Lou Klem, Sarah S Osmundson, Elizabeth E Krans, Mishka Terplan, Brian T Bateman
The prevalence of pregnant people with opioid use disorder (OUD), including those receiving medications for opioid use disorder (MOUD), is increasing. Challenges associated with pain management in people with OUD include tolerance, opioid-induced hyperalgesia, and risk for return to use. Yet, there are few evidence-based recommendations for pain management in the setting of pregnancy and the postpartum period, and many peripartum pain management studies exclude people with OUD. This scoping review summarized the available literature on peridelivery pain management in people with OUD, methodologies used, and identified specific areas of knowledge gaps...
September 22, 2022: Anesthesia and Analgesia
Marine Simonin, Claire Delsuc, Pascal Meuret, Liana Caruso, Robert Deleat-Besson, Antoine Lamblin, Laetitia Huriaux, Paul Abraham, Cyril Bidon, Joris Giai, Benjamin Riche, Thomas Rimmelé
BACKGROUND: Hypotension during surgery is frequent in the elderly population and is associated with acute kidney and myocardial injury, which are, themselves, associated with increased 30-day mortality. The present study compared the hemodynamic effects of hypobaric unilateral spinal anesthesia (HUSA) to general anesthesia (GA) in patients ≥70 years of age undergoing hip fracture surgery. METHODS: We conducted a single-center, prospective, randomized study. In the HUSA group, patients were positioned with the operated hip above, and the hypobaric anesthetic solution was composed of 9 mg ropivacaine, 5 µg sufentanil, and 1 mL of sterile water...
September 22, 2022: Anesthesia and Analgesia
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