Tag

Anesthesia

All articles tagged with #anesthesia

science9 days ago•7 min saved

Brain Still Processes Language Under Anesthesia, New Study Finds

Researchers report that the hippocampus continues to process language and even predict upcoming words during general anesthesia, suggesting learning and predictive coding can occur without conscious awareness. Using Neuropixels probes during epilepsy surgeries, they observed language processing and differentiation of parts of speech in real time, though the findings apply to a single anesthesia type and brain region. The work challenges traditional views of consciousness and could inform AI comparisons and future speech prosthetics, while highlighting the need for broader studies.

via SciTechDaily|

#anesthesia #consciousness #hippocampus

health12 days ago•16 min saved

Anesthesia may trigger sleep-and-coma brain states, Yale study suggests

Yale scientists used full-head EEG to monitor patients under propofol anesthesia and found the brain can enter states that resemble both sleep and coma, challenging the idea that anesthesia is simply deep sleep. The findings could guide better, individualized anesthesia care to minimize postoperative cognitive effects and push toward a sleep-like brain state during procedures.

via Hartford Courant|

#anesthesia #brain #coma

health13 days ago•9 min saved

Brain under anesthesia: a mix of sleep and coma, Yale study finds

A Yale-led study using full-head EEG recordings shows anesthesia does not simply put the brain to sleep; instead, anesthetized brains can exhibit sleep-like and coma-like patterns in different regions, challenging the sleep-vs-coma dichotomy and highlighting the potential for real-time brain monitoring to tailor anesthesia and reduce post-surgical cognitive effects.

via futurity.org|

#anesthesia #brain #coma

neuroscience20 days ago•68 min saved

Hippocampus Under Anesthesia Reveals Language Processing and Rapid Plasticity

In seven patients undergoing anterior temporal lobe surgery, researchers recorded hippocampal neurons and local field potentials with Neuropixels during anesthesia and found that the hippocampus can still detect oddball sounds and extract semantic/grammatical features from language. The oddball representations grew over ~10 minutes, indicating rapid plasticity, and analyses showed single neurons and LFPs could predict upcoming words. A recurrent network model suggested this learning emerges from flexible tone discrimination, challenging the notion that high‑level processing requires conscious awareness even when consciousness is suppressed.

via Nature|

#anesthesia #hippocampus #language-processing

science21 days ago•5 min saved

Under anesthesia, the brain learns and predicts upcoming words

Researchers recording brains of epilepsy patients under propofol anesthesia found that the hippocampus remains active, parsing spoken language and even predicting the next word during podcasts. The study shows unconscious semantic processing and learning, with neuron responses during anesthesia resembling those of awake individuals.

via Nature|

#anesthesia #hippocampus #neuroscience

science3 months ago•5 min saved

Brainwave marker pinpoints moment consciousness fades under anesthesia

A study with 31 participants under propofol anesthesia identifies a distinctive brain-wave pattern and decreasing inter-regional connectivity—especially between the parietal cortex and thalamus and between parietal and occipital areas—that mark loss of consciousness, suggesting an actionable biomarker to refine dosing, though findings are limited to one anesthetic and rely on new methods to infer whole-brain signals from scalp data.

via Nature|

#anesthesia #biomarker #brain-waves

healthcare7 months ago•18 min saved

Hilarious and Spooky Surgery Wake-Up Stories

The article shares 50 stories of people who unexpectedly woke up during surgery, experiencing everything from feeling pain and seeing the procedure to panicking and even trying to communicate their awareness, highlighting the unpredictability and sometimes humorous or terrifying moments in medical procedures.

via Bored Panda|

#anesthesia #healthcare #hospital

health-policy1 year ago•2 min saved

Anthem Reverses Controversial Anesthesia Payment Policy

In response to a controversial, now-reversed policy by Anthem Blue Cross Blue Shield that would have limited anesthesia coverage, Rep. Ritchie Torres (D-N.Y.) has introduced the "Anesthesia For All Act" to prevent such caps in the future. This legislative move comes amid heightened scrutiny of health insurance practices following the murder of UnitedHealthcare CEO Brian Thompson, which sparked social media debates over healthcare costs. The bill aims to prohibit insurers from imposing arbitrary time limits on anesthesia reimbursement and mandates audits to ensure compliance.

via Axios|

#anesthesia #health-insurance #health-policy

health1 year ago•3 min saved

Anthem Reverses Anesthesia Coverage Limits After Backlash

Anthem Blue Cross Blue Shield has reversed its decision to impose time limits on anesthesia coverage in Connecticut, New York, and Missouri after facing significant backlash from medical professionals and public officials. The proposed policy, which was set to take effect in 2025, would have denied claims for anesthesia services exceeding a certain duration, sparking criticism for potentially compromising patient safety. Anthem cited "significant widespread misinformation" as the reason for the reversal, emphasizing that it never intended to deny medically necessary anesthesia services.

via Forbes|

#anesthesia #anthem #health

health1 year ago•2 min saved

Anthem BCBS Reverses Controversial Anesthesia Policy After Backlash

Anthem Blue Cross Blue Shield has reversed its decision to impose a time limit on anesthesia coverage after public backlash. The policy, which was set to take effect in February, faced criticism for potentially denying payment for necessary anesthesia care. The reversal follows widespread outrage and discussions about the healthcare system, intensified by the recent targeted killing of UnitedHealthcare's CEO, Brian Thompson. Anthem cited "misinformation" and unclear communication as reasons for retracting the policy.

via The Verge|

#anesthesia #anthem #health

health1 year ago•11 min saved

Surgeons Reveal Their Most Shocking 'Oh, Crap!' Moments

A Reddit thread reveals surgeons and medical professionals sharing their most intense 'oh crap' moments during surgeries and medical procedures. Stories range from a patient vomiting during a corneal transplant to a nurse holding a patient's bleeding penis for over an hour, and a patient waking up mid-surgery due to insufficient anesthesia. These anecdotes highlight the high-stakes and unpredictable nature of medical work, where quick thinking and adaptability are crucial.

via BuzzFeed|

#anesthesia #emergency #health

health1 year ago

Anthem Reverses Anesthesia Coverage Cap Decision

Anthem Blue Cross Blue Shield has reversed a controversial policy that would have restricted the duration of anesthesia coverage for certain medical procedures. This decision comes after backlash from healthcare providers and patients who argued that the policy could compromise patient safety and care quality. The reversal ensures that anesthesia coverage will continue to be determined based on medical necessity rather than predetermined time limits.

via The New York Times|

#anesthesia #anthem-bcbs #health

health1 year ago•2 min saved

Anthem Reverses Controversial Anesthesia Coverage Cap After Backlash

Anthem Blue Cross Blue Shield faced backlash after announcing a policy to limit anesthesia coverage during surgeries, leading to a partial reversal in Connecticut. The policy, criticized by medical professionals and public officials, was seen as a cost-cutting measure at the expense of patient care. The controversy arose amid heightened scrutiny of the insurance industry following the assassination of UnitedHealth Group CEO Brian Thompson. Anthem claimed the policy aimed to simplify healthcare and ensure accurate claims, but it was widely condemned as dangerous and profit-driven.

via Futurism|

#anesthesia #anthem #health

health1 year ago•2 min saved

Anthem Reverses Anesthesia Coverage Cap Decision

Anthem Blue Cross Blue Shield has reversed its decision to limit anesthesia coverage for surgeries exceeding a certain time, following public backlash and intervention from officials in Connecticut and New York. The policy, which was based on metrics from the Centers for Medicare and Medicaid Services, faced criticism for potentially leaving patients financially responsible for necessary care. The reversal highlights the intense scrutiny and public anger towards controversial insurance policies, especially in the wake of the murder of UnitedHealthcare CEO Brian Thompson, which has intensified discussions on the impact of such decisions.

via Axios|

#anesthesia #anthem #health

health1 year ago•2 min saved

Anthem Reverses Controversial Anesthesia Coverage Limits

Anthem Blue Cross Blue Shield plans to limit the time it covers for anesthesia during surgeries, sparking outrage from the medical community. Starting February, the insurer will deny claims if anesthesia exceeds the time it deems appropriate, based on CMS Physician Work Time values. The American Society of Anesthesiologists criticized the move, arguing it prioritizes profits over patient care and could compromise safety. Anthem's policy excludes patients under 22 and maternity-related care. The insurer has not commented on the backlash.

via New York Post |

#american-society-of-anesthesiologists #anesthesia #anthem