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Anesthesia and Analgesia

Şerban Ion Bubenek-Turconi, Liana Văleanu, Mihai Popescu, Eugenia Panaitescu, Dana Tomescu, Mihai Cătălin Cacoveanu, Azriel Perel
BACKGROUND: Consecutive fluid challenges (FCs) are frequently administered to maximize the stroke volume (SV) as part of a goal-directed therapy (GDT) strategy. However, fluid administration may also cause acute hemodilution that might lead to an actual paradoxical decrease in oxygen delivery (DO2). The aim of this study was to examine whether continuous noninvasive hemoglobin (SpHb) monitoring can be used to detect the development of acute hemodilution after graded fluid administration...
July 9, 2019: Anesthesia and Analgesia
Srdjan Jelacic, Andrew Bowdle, Bala G Nair, Kei Togashi, Daniel J Boorman, Kevin C Cain, John D Lang, E Patchen Dellinger
BACKGROUND: Many hospitals have implemented surgical safety checklists based on the World Health Organization surgical safety checklist, which was associated with improved outcomes. However, the execution of the checklists is frequently incomplete. We reasoned that aviation-style computerized checklist displayed onto large, centrally located screen and operated by the anesthesia provider would improve the performance of surgical safety checklist. METHODS: We performed a prospective before and after observational study to evaluate the effect of a computerized surgical safety checklist system on checklist performance...
July 9, 2019: Anesthesia and Analgesia
Jonathan H Chow, Justin E Richards, Jonathan J Morrison, Samuel M Galvagno, Kenichi A Tanaka, Marta J Madurska, Peter Rock, Thomas M Scalea, Michael A Mazzeffi
BACKGROUND: Acute traumatic coagulopathy is common in trauma patients. Prompt diagnosis of hypofibrinogenemia allows for early treatment with cryoprecipitate or fibrinogen concentrate. At present, optimal cutoffs for diagnosing hypofibrinogenemia with kaolin thrombelastography (TEG) have not been established. We hypothesized that kaolin kaolin-TEG parameters, such as kinetic time (K-time), α-angle, and maximum amplitude (MA), would accurately diagnose hypofibrinogenemia (fibrinogen <200 mg/dL) and severe hypofibrinogenemia (fibrinogen <100 mg/dL)...
July 9, 2019: Anesthesia and Analgesia
Liselotte M Elleby, Juraj Sprung, Toby N Weingarten
No abstract text is available yet for this article.
July 9, 2019: Anesthesia and Analgesia
Jane Colish, Andrew D Milne, Paul Brousseau, Vishal Uppal
The primary outcome of this 8-year retrospective review was the failure of spinal anesthetic (SA) in elective hip and knee joint arthroplasty surgery. Of 3542 SAs, a total of 135 failures were identified (3.8%). Factors associated with increased odds of failure were younger age (odds ratio [OR], 1.03; 95% confidence interval [CI], 1.01-1.05), lower body mass index (BMI; OR, 1.04 [1.01-1.08]), hip arthroplasty (OR, 1.90 [1.28-2.84]) compared to knee arthroplasty, needle insertion at L4-5 (OR, 4.61 [2.02-10.54]) and L5-S1 (OR, 7...
July 9, 2019: Anesthesia and Analgesia
Juan P Cata, Pascal Owusu-Agyemang, Ravish Kapoor, Per-Arne Lonnqvist
Cancer is the leading cause of death by disease in developed countries. Children and adolescents with cancer need surgical interventions (ie, biopsy or major surgery) to diagnose, treat, or palliate their malignancies. Surgery is a period of high vulnerability because it stimulates the release of inflammatory mediators, catecholamines, and angiogenesis activators, which coincides with a period of immunosuppression. Thus, during and after surgery, dormant tumors or micrometastasis (ie, minimal residual disease) can grow and become clinically relevant metastasis...
July 5, 2019: Anesthesia and Analgesia
Jennifer Herzog-Niescery, Hans-Martin Seipp, Martin Bellgardt, Torsten Herzog, Orlin Belyaev, Waldemar Uhl, Philipp Gude, Thomas P Weber, Heike Vogelsang
BACKGROUND: Studies demonstrated that operating room personnel are exposed to anesthetic gases such as sevoflurane (SEVO). Measuring the gas burden is essential to assess the exposure objectively. Air pollution measurements and the biological monitoring of urinary SEVO and its metabolite hexafluoroisopropanol (HFIP) are possible approaches. Calculating the mass of inhaled SEVO is an alternative, but its predictive power has not been evaluated. We investigated the SEVO burdens of abdominal surgeons and hypothesized that inhaled mass calculations would be better suited than pollution measurements in their breathing zones (25 cm around nose and mouth) to estimate urinary SEVO and HFIP concentrations...
July 5, 2019: Anesthesia and Analgesia
Tyler J Law, Fred Bulamba, John Paul Ochieng, Hilary Edgcombe, Victoria Thwaites, Adam Hewitt-Smith, Eugene Zoumenou, Maytinee Lilaonitkul, Adrian W Gelb, Rediet S Workneh, Paulin M Banguti, Dylan Bould, Pascal Rod, Jackie Rowles, Francisco Lobo, Michael S Lipnick
BACKGROUND: In Africa, most countries have fewer than 1 physician anesthesiologist (PA) per 100,000 population. Nonphysician anesthesia providers (NPAPs) play a large role in the workforce of many low- and middle-income countries (LMICs), but little information has been systematically collected to describe existing human resources for anesthesia care models. An understanding of existing PA and NPAP training pathways and roles is needed to inform anesthesia workforce planning, especially for critically underresourced countries...
July 5, 2019: Anesthesia and Analgesia
Anne Baetzel, David J Brown, Prabhat Koppera, Andrea Rentz, Aleda Thompson, Robert Christensen
BACKGROUND: Unconscious racial bias in anesthesia care has been shown to exist. We hypothesized that black children may undergo inhalation induction less often, receive less support from child life, have fewer opportunities to have a family member present for induction, and receive premedication with oral midazolam less often. METHODS: We retrospectively collected data on those <18 years of age from January 1, 2012 to January 1, 2018 including age, sex, race, height, weight, American Society of Anesthesiologists (ASA) physical status, surgical service, and deidentified anesthesiology attending physician...
July 5, 2019: Anesthesia and Analgesia
Daniel W Odell, Ken B Johnson, Alan R Light, Ami R Stuart, Kathleen C Light
Gene variants may contribute to individual differences in the experience of pain and the efficacy and reward of treatments. We explored gene variation in opioid-naïve and opioid-consuming patients undergoing elective lower extremity total joint replacement. We focused on 3 gene pathways including prostaglandin, gamma-aminobutyric acid (GABA)-ergic reward, and hepatic metabolism pathways. We report that for genes with possible or probable deleterious impact in these 3 pathways, opioid consumers had more gene variants than opioid-naïve patients (median 3 vs 1, P = ...
July 5, 2019: Anesthesia and Analgesia
Estrella Paterson, Penelope M Sanderson, Birgit Brecknell, Neil A B Paterson, Robert G Loeb
BACKGROUND: When engaged in visually demanding tasks, anesthesiologists depend on the auditory display of the pulse oximeter (PO) to provide information about patients' oxygen saturation (SpO2). Current auditory displays are not always effective at providing SpO2 information. In this laboratory study, clinician and nonclinician participants identified SpO2 parameters using either a standard auditory display or an auditory display enhanced with additional acoustic properties while performing distractor tasks and in the presence of background noise...
July 2, 2019: Anesthesia and Analgesia
Eric P Deflandre, Jean-Francois H Brichant
No abstract text is available yet for this article.
July 2, 2019: Anesthesia and Analgesia
Miles Berger, Martin S Angst, Deborah J Culley, Catherine E Price, David A Scott, Robert A Whittington, Roderic G Eckenhoff
No abstract text is available yet for this article.
July 2, 2019: Anesthesia and Analgesia
Thomas Sinclair
No abstract text is available yet for this article.
July 2, 2019: Anesthesia and Analgesia
Monica Saucedo, Marie-Hélène Bouvier-Colle, Béatrice Blondel, Marie-Pierre Bonnet, Catherine Deneux-Tharaux
BACKGROUND: The variability in resources for managing critical events among maternity hospitals may impact maternal safety. Our main objective was to assess the risk of postpartum maternal death according to hospitals' organizational characteristics. A secondary objective aimed to assess the specific risk of death due to postpartum hemorrhage (PPH). METHODS: This national population-based case-control study included all 2007-2009 postpartum maternal deaths from the national confidential enquiry (n= 147 cases) and a 2010 national representative sample of parturients (n = 14,639 controls)...
July 2, 2019: Anesthesia and Analgesia
Dana Raub, Peter Santer, Sarah Nabel, Katharina Platzbecker, Ronny Munoz-Acuna, Xinling Xu, Sabine Friedrich, Satya Krishna Ramachandran, Matthias Eikermann, Eswar Sundar
BACKGROUND: We developed and implemented a perioperative guideline for obstructive sleep apnea (OSA), comprising a preoperative screening tool (BOSTN) and clinical management pathways. OSA was suspected with 2 or more of the following: body mass index ≥30 kg/m, observed apnea, loud snoring, daytime tiredness, and neck circumference ≥16.5 inches in women or ≥ 17.5 inches in men. The primary objective of this study was to assess the association between high BOSTN scores and the requirement of invasive mechanical ventilation after surgery...
July 2, 2019: Anesthesia and Analgesia
Michael G Richardson, Britany L Raymond
Since its clinical introduction in 2008, sugammadex has demonstrated a high degree of safety and superior effectiveness compared to neostigmine when used to antagonize muscle relaxation produced by steroid nondepolarizing neuromuscular blockers. This includes its use in special populations, such as the elderly, children over 2 years old, and patients with renal, hepatic, or lung disease. In contrast, clinical evidence guiding its use during pregnancy, in women of childbearing potential, and in lactating women, is sparse...
July 2, 2019: Anesthesia and Analgesia
Brett Simon, Rebecca S Twersky
No abstract text is available yet for this article.
July 2, 2019: Anesthesia and Analgesia
James R Nielsen, Kar-Soon Lim
No abstract text is available yet for this article.
June 24, 2019: Anesthesia and Analgesia
Julie L Huffmyer, Amanda M Kleiman, Matthew Moncrief, David C Scalzo, Daniel J Cox, Edward C Nemergut
BACKGROUND: Residency training in anesthesiology involves care of hospitalized patients and necessitates overnight work, resulting in altered sleep patterns and sleep deprivation. Caffeine consumption is commonly used to improve alertness when fatigued after overnight work, in preparation for the commute home. METHODS: We studied the impact of drinking a caffeinated energy drink (160 mg of caffeine) on driving performance in a high-fidelity, virtual reality driving simulator (Virginia Driving Safety Laboratory using the Driver Guidance System) in anesthesiology resident physicians immediately after 6 consecutive night-float shifts...
June 24, 2019: Anesthesia and Analgesia
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