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Current Anesthesia News and Events

Current Anesthesia News and Events, Anesthesia News Articles.
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Lower-amp ECT appears effective against suicidal thoughts
Nearly half the amplitude typically used in standard electroconvulsive therapy (ECT) seems to be effective at treating suicidal thoughts, investigators report. (2019-06-03)
Towards a new era of small animal imaging research
Thanks to a collaborative effort between McGill University, Montreal Canada and the University of Antwerp, Belgium this no longer needs to be the case. (2019-05-30)
Columbia researchers examine how our brain generates consciousness -- and loses it
In a first of its kind study, researchers from Columbia's Rafael Yuste's Laboratory used cellular resolution in vivo two-photon calcium imaging in mice to investigate changes in the local repertoire of neuronal micro states during anesthesia. (2019-05-01)
General anesthesia hijacks sleep circuitry to knock you out
In a study published online April 18 in Neuron, researchers found that general anesthesia induces unconsciousness by hijacking the neural circuitry that makes us fall sleep. (2019-04-18)
Regular cannabis users require up to 220% higher dosage for sedation in medical procedures
Researchers in Colorado examined medical records of 250 patients who received endoscopic procedures after 2012, when the state legalized recreational cannabis. (2019-04-15)
Anesthesia sends neurons down the wrong path in unborn rat babies
A study in Cerebral Cortex provides new insight into why -- and when -- anesthesia during pregnancy harms unborn brains. (2019-04-11)
Awake lumbar interbody fusion
This article provides the reader with a glimpse of how effective lumbar surgery in select patients can be when performed without general anesthesia, open surgery, or a long convalescence in the hospital. (2019-04-01)
Researchers discover a critical receptor involved in response to antidepressants like ketamine
Effective treatment of clinical depression remains a major mental health issue, with roughly 30 percent of patients who do not respond to any of the available treatments. (2019-03-28)
Not all sleep is equal when it comes to cleaning the brain
New research shows how the depth of sleep can impact our brain's ability to efficiently wash away waste and toxic proteins. (2019-02-27)
Insomnia-associated gene regions suggest underlying mechanisms, treatment targets
An international research team led by investigators from Massachusetts General Hospital and the University of Exeter Medical School has identified 57 gene regions associated with symptoms of insomnia. (2019-02-25)
Study finds acetaminophen significantly reduced in-hospital delirium
Patients treated with acetaminophen demonstrated a significant reduction in in-hospital delirium. (2019-02-19)
Brain patterns indicative of consciousness, in unconscious individuals
Amid longstanding difficulties distinguishing consciousness in humans in unconscious states, scientists report fMRI-based evidence of distinct patterns of brain activity they say can differentiate between consciousness or unconsciousness. (2019-02-06)
Less anesthesia during surgery doesn't prevent post-op delirium
One in four older adults experiences delirium after surgery. Researchers at Washington University School of Medicine in St. (2019-02-05)
Smartphone software detects early signs of opioid overdoses
A new software system for smartphones can quickly and unobtrusively detect early signs of opioid overdoses, according to a new study. (2019-01-09)
Research finds opioids may help chronic pain, a little
In a study published today by the Journal of the American Medical Association (JAMA), McMaster University researchers reviewed 96 clinical trials with more than 26,000 participants and found opioids provide only small improvements in pain, physical functioning and sleep quality compared to a placebo. (2018-12-18)
Impairment rating of injured workers depends on the when and where of assessment
A comparison of a group of injured workers assessed using the two most recent editions of the AMA guides revealed that usage of the sixth edition resulted in significantly lower impairment ratings than the fifth edition. (2018-12-13)
New guidance outlines recommendations for infection control in anesthesiology
The Society for Healthcare Epidemiology of America has issued a new expert guidance on how hospitals and healthcare providers may reduce infections associated with anesthesiology procedures and equipment in the operating room. (2018-12-11)
Was general anesthesia for surgery associated with risk of adverse child development in study of siblings?
Surgery under general anesthesia for young children before they started elementary school wasn't associated with increased risk of adverse child development outcomes compared with their biological siblings who didn't have surgery and after accounting for other potential biological and environmental factors. The study of children in Ontario, Canada, included 2,346 sibling pairs where only one sibling had surgery. (2018-11-05)
Experts recommend new way to describe cognitive changes after anesthesia, surgery in elderly patient
A multidisciplinary, international group of experts has recommended changing the way clinicians and patients describe cognitive changes experienced in some patients after anesthesia and surgery. (2018-10-16)
Delayed pushing appears to have no effect on chances for spontaneous vaginal delivery
Delaying pushing during the second stage of labor -- when the cervix is fully dilated at 10 centimeters -- is a common practice at many US hospitals, but it may have no effect on whether pregnant women deliver spontaneously (without a cesarean section or other intervention), according to a study funded by the National Institutes of Health. (2018-10-09)
Focus on neuroscience, nociception to improve anesthesia, paper says
By focusing on nervous system circuits of nociception, the body's sensing of tissue damge, anesthesiologists can achieve unconsciousness in patients using less drug and manage post-operative pain better, leading to less need for opioids. (2018-10-01)
Results from the SOLVE-TAVI trial reported at TCT 2018
The first randomized study to compare general versus local anesthesia during transcatheter aortic valve replacement (TAVR) in patients with intermediate to high surgical risk found local anesthesia to be both safe and effective. (2018-09-23)
Zebrafish research highlights role of locus coeruleus in anesthesia
Recently, researchers from the Institute of Neuroscience and Zunyi Medical College, by using a larval zebrafish model, revealed that two commonly used intravenous anesthetic drugs, propofol and etomidate, suppress the excitability of locus coeruleus neurons via synergic mechanisms -- thus inhibiting presynaptic excitatory inputs and inducing membrane hyperpolarization of these cells. (2018-09-18)
Anesthesia drugs: Muscle relaxants increase risk of respiratory complications
Muscle relaxants are a necessary part of anesthesia during certain major operations. (2018-09-17)
Clinical early warning scores: New clinical tools in evolution
Doctors and nurses are always grateful when they are given advance notice that a patient is about to seriously deteriorate (or 'crash,' to use today's clinical vernacular). (2018-09-13)
Lighter sedation won't drop risk of postop delirium
Johns Hopkins Medicine researchers say a study designed to see if reducing the amount of anesthesia reduces the risk of postoperative delirium in older patients surprisingly found that lighter sedation failed to do so in severely ill people undergoing hip fracture repair. (2018-08-13)
Mayo Clinic study: Anesthesia, surgery linked to decline in memory and thinking
In adults over 70, exposure to general anesthesia and surgery is associated with a subtle decline in memory and thinking skills, according to new Mayo Clinic research. (2018-07-19)
Do stress balls or hand holding reduce anxiety during skin cancer surgery?
Exploring whether hand-holding or squeezing a stress ball would reduce patient anxiety during skin cancer surgery under local anesthesia was the main focus of this randomized clinical trial. (2018-07-18)
American Association of Feline Practitioners releases new feline anesthesia guidelines
The American Association of Feline Practitioners today released the first feline-specific anesthesia guidelines to the veterinary community, which are published in the Journal of Feline Medicine and Surgery. (2018-07-10)
Structure of major brain receptor that is treatment target for epilepsy, anxiety solved
UT Southwestern researchers today published the first atomic structure of a brain receptor bound to a drug used to reverse anesthesia and to treat sedative overdoses. (2018-06-27)
Waking up is hard to do: Prefrontal cortex implicated in consciousness
Michigan Medicine researchers discover that stimulating the prefrontal cortex can induce wake-like behavior in anesthetized rats. (2018-06-21)
World's first intra-operative MRI-guided robot for bilateral stereotactic neurosurgery
A HKU Mechanical Engineering team led by Dr. Kwok Ka-wai recently designed the first neurosurgical robotic system capable of performing bilateral stereotactic neurosurgery inside a magnetic resonance imaging ('MRI') scanner. (2018-06-19)
Reporting and evaluating wait times for urgent hip fracture surgery in Ontario, Canada
About two-thirds of patients admitted to hospital in Ontario for hip fracture did not receive surgery during the recommended time window of 24 hours, according to a new study in CMAJ (Canadian Medical Association Journal). (2018-06-11)
Understanding how drug reduces confusion in older patients after surgery may lead to better care
A drug that reduces delirium in postoperative patients may work by preventing the overactivity of certain receptors in brain cells, according to a new study published in the Online First edition of Anesthesiology, the peer-reviewed medical journal of the American Society of Anesthesiologists (ASA). (2018-06-07)
Surgical outcomes equivalent whether physician anesthesiologist assisted by nurse anesthetist or AA
Patients who undergo inpatient surgery experience no difference in death rates, hospital length of stay or costs between admission or discharge whether their physician anesthesiologist is assisted by a nurse anesthetist or an anesthesiologist assistant, according to a new study published in the Online First edition of Anesthesiology, the peer-reviewed medical journal of the American Society of Anesthesiologists. (2018-05-29)
AVATS surgery shown to be option for patients deemed 'inoperable'
A new study demonstrates that awake video-assisted thoracoscopic surgery (AVATS) -- a minimally invasive procedure that is done under local anesthesia and sedation -- is a safe and effective alternative for patients with poor lung function and lung cancer who would normally be precluded from having surgery due to its risks. (2018-05-23)
New form of local anesthetic does not reduce opioid use or complications after knee surgery
Contrary to what some studies may suggest, the local anesthetic drug, liposomal bupivacaine, did not reduce in-hospital opioid prescriptions or opioid-related complications in patients who received the drug during total knee replacement surgery as part of a multimodal approach to manage postsurgical pain, finds a new study published in the Online First edition of Anesthesiology, the peer-reviewed medical journal of the American Society of Anesthesiologists (ASA). (2018-05-21)
HSS anesthesia education program sees sustainable results in Vietnam
Training local clinicians with regional anesthesia techniques has helped the Vietnamese medical community improve their approach to anesthesia care, results of a survey conducted by the Global Health Initiative at Hospital for Special Surgery (HSS) indicate. (2018-05-14)
Neuroinflammation seen in spinal cord, nerve roots of patients with chronic sciatica
A study by Massachusetts General Hospital investigators has found, for the first time in humans, that patients with chronic sciatica -- back pain that shoots down the leg -- have evidence of inflammation in key areas of the nervous system. (2018-05-09)
Mayo Clinic study finds no evidence that anesthesia in young children lowers intelligence
A Mayo Clinic study finds no evidence that children given anesthesia before their third birthdays have lower IQs than those who did not have it. (2018-04-18)
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