Articles tagged with Anesthesiology
A new study published in Nature Communications reveals how propofol sedation alters the connections between brain cells in the thalamus and cortex, shedding light on the neural mechanisms underlying consciousness. The researchers found that disruptions to the matrix cells' activity play a crucial role in the transition to unconsciousness.
Researchers at UC San Diego School of Medicine are developing an AI model to predict opioid addiction in high-risk patients. The model uses generative artificial intelligence to analyze genomic, social determinants of health, clinical, procedural, and demographic data to identify patients at greatest risk.
A new study uses computational modeling to understand how ketamine affects individual neurons, leading to changes in brain network function. The model predicts that ketamine can disinhibit network activity by shutting down certain inhibitory interneurons.
A recent study published in the British Journal of Surgery found that hospitals with a higher proportion of female surgeons and anesthesiologists had better post-operative outcomes for patients. The study suggests that a team diversity threshold of 35% female members is crucial for optimal performance.
Researchers at the University of Alabama at Birmingham found that blocking Tiam1 activity in spinal neurons abrogates morphine tolerance and hyperalgesia in a mouse model. Prolonged morphine treatment increased activated Tiam1 levels, leading to dendritic spine morphological changes.
Researchers are studying the impact of telemedicine on palliative care in ICUs, aiming to improve patient outcomes and reduce ICU stays. The EPIC project is a five-year study funded by €6.3 million from the European Commission.
The American Gastroenterological Association suggests a balanced approach when treating patients on GLP-1 RAs undergoing endoscopic procedures. AGA recommends proceeding with the procedure as planned for patients who followed standard pre-procedure fasting instructions and do not have symptoms suggesting retained gastric contents.
Researchers at MIT and MGH have developed a closed-loop system that monitors brain state to tailor propofol dose and achieve exactly the desired level of unconsciousness. This technology enables more than 18 hours of fine-grained consciousness control, reducing postoperative cognitive side effects in vulnerable groups.
Researchers at Weill Cornell Medicine developed a non-opioid designer molecule to calm hyperactive pain-sensing neurons, showing promising results in preclinical studies. The novel drug effectively reversed neuropathic pain signs without cardiac side effects or sedation.
The inaugural issue of CHEST Critical Care focuses on clinically relevant research and patient management guidance for critical care medicine. The journal accepts submissions of original research, case series, and research letters, covering topics such as intensive care medicine and diverse populations.
A multidisciplinary team led by Hong Chen successfully induced a torpor-like state in mice using ultrasound, which also worked on rats. The researchers found that stimulating the hypothalamus preoptic area with ultrasound activated neurons and induced changes in body temperature and metabolism, allowing for the preservation of energy.
The average age of patients requiring anaesthesia increased by 2.3 years over the last decade, with a higher proportion of patients living with overweight and obesity. Surgical cases are becoming more complex, with a decrease in ASA 1 and an increase in ASA 2 and 3 patients.
Researchers found that individuals who were resistant to anaesthesia had fundamental differences in the fronto-parietal regions of the brain, which could be predicted prior to sedation. These brain differences may require higher doses of propofol for individuals to become nonresponsive.
A new study found that nearly a third of patients with chronic pain use cannabis to manage their symptoms, leading to decreased use of pain medications. The study suggests that further research is needed to understand the benefits and risks of using cannabis for chronic pain management.
Researchers developed a non-invasive device to measure cervical nerve activity, which could potentially improve treatments for patients with sepsis and PTSD. The device recorded electrical activity across different nerves, grouping patients into distinct biotype groups based on their response to stressors.
A recent study found that despite no decrease in opioid prescriptions, the doses prescribed are lower for senior patients after surgery. The study analyzed over 278,000 patients and showed an increase in non-opioid prescriptions, with most patients still receiving opioid prescriptions.
A quality improvement study at Stony Brook Medicine found that adapting an Enhanced Recovery After Surgery (ERAS) program allowed patients to receive same-day hip and knee replacement surgeries during the COVID-19 pandemic. The new protocol resulted in shorter hospital stays, no readmissions, and high success rates, leading to permanen...
Opioid abuse declined nationwide during the pandemic, yet remained higher among non-heterosexuals compared to heterosexuals. The analysis suggests a need for tailored approaches to reduce abuse in vulnerable populations.
A retrospective study found that regular statin use was associated with reduced risk of death and improved outcomes in hospitalized COVID-19 patients. Statin users had a 37% lower risk of dying from COVID-19 than those who didn't use statins.
Bone marrow donors can now receive significantly reduced opioid medication during and after the donation procedure, resulting in a more comfortable experience. The new pain control method, using regional anesthesia, drastically decreased opioid usage from 84% to 23% among patients.
A recent study published in PAIN found that mindfulness meditation can reduce pain intensity and unpleasantness by separating pain from the sense of self. Participants who practiced mindfulness reported a significant reduction in pain levels after undergoing painful heat stimuli.
Researchers found that 27.8% of drugs with high abuse potential successfully completed development compared to 4.7% for low-abuse potential drugs. Funding is needed to improve understanding of pain mechanisms and develop non-addictive treatments.
A gene therapy approach has effectively reduced neuropathic pain in mice with spinal cord or peripheral nerve injuries without detectable side effects. The treatment, which targets impaired neurons, resulted in long-lasting benefits persisting for at least 2.5 months.
A new study published in Bioelectronic Medicine found that high-frequency spinal cord stimulation (HF-SCS) was more effective at improving perceived pain reduction than low-frequency SCS (LF-SCS). HF-SCS also showed less subsequent use of opioids to mitigate pain.
A new study by MIT scientists reveals that propofol anesthesia significantly alters the state of brain waves, with lower frequency delta waves dominating. Higher frequency beta waves decrease in structure and power, with their traveling nature disrupted by the surging delta waves. The findings suggest a profound impact on consciousness.
A study found that opioid prescriptions for children undergoing common outpatient surgeries declined by up to 50% between 2014 and 2019. The trend was most pronounced in adolescents, with a decline from 78.2% to 48% of prescriptions filled within 7 days of surgery.
A federal court has dismissed Pacira Biosciences' lawsuit against the American Society of Anesthesiologists (ASA) over articles about its post-surgery pain medication EXPAREL. The ruling protects scientific opinions from being considered defamation, ensuring robust debate in the medical community.
Researchers developed a machine learning algorithm to automate propofol dosing for unconscious patients, matching human performance in sophisticated simulations. The 'dose penalty' model improved upon traditional software, but limitations remain, highlighting challenges in AI system accuracy and real-world application.
A systematic review of AI studies on mechanical ventilation found that many were testing early technology, but more work is needed for transparency and bias avoidance. The review recommends improving data availability and reporting standards to facilitate the translation of AI into improved patient care.
A comprehensive patient blood management program implemented at Mayo Clinic reduced allogenic transfusion use by 33% and improved hospital length of stay and adverse events. The program's multi-faceted approach included education efforts, computerized order entry processes, and analytics to inform decision-making.
Research reviews show that back pain in space is often sciatica, a form of back pain radiating down the legs. Astronauts experience changes in spine curvature due to microgravity, leading to acute and chronic pain upon return to Earth.
Researchers have identified a new pathway for opioid-induced reward in the brain, paving the way for creating safer opioids. By altering the opioid peptide receptor MOPR, pharmaceutical companies can potentially create drugs that bypass the brain's reward system.
A randomized controlled trial of 1,600 patients found that rates of survival, functional recovery, and post-operative delirium are similar for both general and spinal anesthesia. This challenges common thinking about spinal anesthesia being safer.
A survey of 147 medical professionals found that smaller endotracheal tube sizes reduce complications in professional voice users. The team hopes to establish evidence-based practices for managing the airways of these patients, who are particularly vulnerable to damage from intubation.
Prices paid to in and out-of-network anesthesiologists decreased after surprise billing legislation was introduced, with California and Florida seeing significant drops. In-network prices also decreased in these states, suggesting a direct impact on provider-payer negotiating dynamics.
Researchers have identified novel blood markers that can predict when labor is approaching, shedding light on the biological process of labor initiation. The study's findings lay the groundwork for a clinical blood test that could provide more precise estimates of delivery time.
A new study from Michigan Medicine researchers identifies the anterior insular cortex as a key area in the brain that acts as a filter, allowing only the most important sensory information to enter conscious awareness. This gate-like structure regulates brain network transitions and plays a crucial role in conscious access.
Researchers found that percutaneous peripheral nerve stimulation significantly reduced postoperative pain scores by over 50% and opioid consumption by 80%. The technique, which delivers mild electrical stimulation to the nerve, could be a safe and effective adjunct for pain management after surgery.
A survey study found frequent sexist and racial/ethnic microaggressions against underrepresented groups in the medical field, associated with burnout. The study aimed to address a growing concern in the medical community.
A study by the American Society of Anesthesiologists found that patients who used telemedicine for chronic pain management saved an average of 69 minutes per visit and $22 on gas and parking costs. This reduced travel time and expenses, leading to improved patient satisfaction.
A recent analysis of national data shows a significant decline in US prescription opioid abuse over the past decade. Prescription opioid abuse decreased by 26% between 2007 and 2018, with the rate dropping from 4.9% to 3.7%. This trend suggests that efforts to reduce opioid misuse are paying off.
Two studies show Black children are more than twice as likely to die after surgical complications and half as likely to receive surgery compared to white children. Researchers attribute the disparities to socioeconomic status, access to quality care, health risk factors, and implicit systemic biases in healthcare.
A preliminary study has identified several genetic mutations associated with a reduced risk for postpartum hemorrhage. The common theme among these mutations is their proximity to genes linked to the immune system.
A new study examined anesthesiologists' knowledge and attitudes towards treating suspected or confirmed COVID-19 patients requiring surgery. The majority expressed correct attitudes towards airway management, emphasizing the importance of theoretical and practical training to ensure patient safety.
A new study from the University of Colorado Anschutz Medical Campus found that patients who took fewer opioids pre-discharge also reported less opioid intake in the following weeks. The study suggests tailoring opioid prescriptions to individual patient needs, balancing pain management and reducing leftover pills.
A study using large health insurer claims data found that approximately 1 in 5 patients received surprise out-of-network bills after having in-network elective surgery. The average potential balance was $2,011, with anesthesiologists and surgical assistants being the most common providers involved.
Patients with active cannabis dependence and abuse are at nearly twice the risk of suffering a heart attack after surgery, according to a study led by St. Michael's Hospital. Researchers analyzed records of over 4 million adults from 2006-2015 and found a significant increase in cannabis use disorders among surgical patients.
Researchers discussed recent clinical study results comparing fibrinogen concentrate and cryoprecipitate in cardiac surgery, highlighting fibryga as a potential alternative for managing perioperative bleeding. The studies provide important data on fibryga's efficacy and safety in treating acquired fibrinogen deficiency.
A new study from the University of Michigan and Dartmouth University found that US-born residents are significantly more likely to use prescription opioids than new immigrants. The study analyzed data from the national Medical Expenditure Panel Survey and found that US-born residents were more than five times as likely to use opioids a...
Patients who received courteous care during blood draws reported a 390% reduction in pain perception, with 82% experiencing excellent pain control. Empathetic providers were found to make a substantial difference in patient experience.
A systematic review of seven published studies suggests that medical marijuana may be associated with benefits such as decreased opioid overdose rates and improved quality of life. However, the results need to be confirmed by more rigorous scientific research due to limitations in study design and potential side effects.
Patients in an enhanced recovery after surgery (ERAS) program used nearly half as many opioids and reported significantly less pain compared to those without ERAS. ERAS protocols focus on managing patient expectations and providing alternative pain medications, leading to decreased opioid consumption.
A study of 1,700 physician mothers found that those in procedural specialties who take on more household tasks report higher career dissatisfaction. The authors suggest more equitable distribution of tasks or outsourcing duties may help sustain physician moms.
A novel minimally invasive method using catheter-based ultrasound measures cardiac output with similar precision as a traditional device. This technology is less invasive and can be used while patients are awake, making it more clinically practical for young children.
Two BU medical students created a first-of-its-kind video on preventing falls from operating room tables, exploring the risks and strategies to mitigate these accidents. The award-winning video aims to educate healthcare providers on patient safety in operating rooms.
A Canadian Medical Association Journal study found that women are less likely than men to receive geriatric care during hospitalization for emergency hip surgery. Women from low-income neighborhoods and those with dementia were also excluded from receiving anesthesiology consultations before surgery.
The article highlights the impact of mass shootings on blood donation rates and transfusion needs. A report by Vanderbilt University Medical Center shows that mass shootings can lead to a significant increase in blood component transfusions, with some hospitals requiring up to 2.7 units per admission.
A study presented at ANESTHESIOLOGY 2018 found that dorsal root ganglion (DRG) stimulation therapy significantly improves chronic back pain, with a median pain score decrease of 33% after follow-up. DRG stimulation disrupts pain signals by targeting specific nerves, avoiding unnecessary stimulation of nerve fibers from non-painful areas.
A blood management program safely reduced transfusions in orthopedic patients undergoing hip and knee replacement surgeries. The program implemented strategies to minimize bleeding, resulting in lower hemoglobin thresholds and reduced complications.
A new algorithm developed by researchers at UCLA Medical Center can predict hypotension in surgical patients with high accuracy, enabling physicians to take proactive measures. The algorithm uses machine learning to analyze physiological data and identifies subtle signs of impending hypotension, reducing the risk of serious complications.