Notice bibliographique
Résumé
Headpulse Biometric for Concussion Using headpulse biometrics for analyzing micromovements of the head after cardiac contraction detects 90 percent of concussion cases within 14 days of injury, according to a new study. (JAMA Netw Open. 2023;6[8]:e2328633; https://tinyurl.com/bpaaxt2m.) Researchers from the University of California, San Francisco, used a noninvasive headband with a battery-powered attachment to analyze cardiac output forces directed to the head, resulting in a waveform called a “headpulse.” Volunteers from a high-level amateur Australian football league tested the device in two phases to confirm feasibility and determine the relationship between unstructured physical activity and headpulse patterns. Physical activity was monitored with a wristband accelerometer. Researchers recorded this headpulse analysis for one month; the headpulse device detected nine percent of concussions on day zero, 50 percent by day two, and 90 percent by day 14. A more significant cranial headpulse biometric change was found in participants who had returned to play even after symptom resolution. The researchers suggested further study is needed, but said headpulse biometrics could be useful in making return-to-play decisions to prevent persistent traumatic brain injury in high-impact sports.Figure: concussion, Headpulse Biometric, micromovements, cardiac contraction, head, physical activity, symptom, OCT, imaging, coronary disease, ILUMIEN IV optimal PCI, percutaneous coronary interventions, catheter, stent, laser, thrombosis, blockages, myocardial infarction, angiography, thrombectomy, pediatric stroke, Rankin scaleOCT Imaging for Coronary Disease Abbott's ILUMIEN IV optimal PCI randomized trial found that guidance from optical coherence tomography (OCT) helped physicians achieve improved stent expansion for a greater minimal stent area during percutaneous coronary interventions, compared with the current standard of care, coronary angiography. OCT uses a catheter and near-infrared laser to capture images of vessel microstructure, which is capable of increasing the accuracy of stent placements. More than 2400 patients with medication-treated diabetes or complex-artery disease were included in the study. OCT guidance improved stent expansion by seven percent, the company announced in a press release. (Abbott. Aug. 27, 2023; https://tinyurl.com/4yutmfrb.) This larger minimal stent area could prevent future adverse events. OCT guidance was also associated with a 64 percent reduction in stent thrombosis rates, which could reduce the risk of future blockages, as well as a 39 percent reduction in cardiac death and 24 percent reduction in target vessel myocardial infarction when compared with standard angiography. Visit www.abbott.com for more information. Mechanical Thrombectomy for Pediatric Stroke A case-control study conducted in Australia and Canada following 52 pediatric patients with anterior circulation large vessel occlusion stroke found that those who received mechanical thrombectomy had significantly improved clinical outcomes compared with those who received standard medical management. Researchers used a pediatric modified Rankin scale to measure the effectiveness of mechanical thrombectomy in patients ages 2 through 18. Patients who had blood clots removed with mechanical thrombectomy had improved outcomes after three months compared with patients who only received neuroprotective medical treatment, according to the study. (JAMA Neurol. July 24, 2023; https://tinyurl.com/mr48zky7.) The researchers said they were aiming with this study to expand methods of care for pediatric stroke, which currently has a lack of clinical trial data due to its rarity. MS. TALBOT is an editorial assistant for Emergency Medicine News. Share this article on X and Facebook. Access the links in EMN by reading this on our website: www.EM-News.com. Comments? Write to us at [email protected].
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Comment cette classification a été obtenuedéplier
Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,006 |
| Méta-épidémiologie (sens strict) | 0,002 | 0,001 |
| Méta-épidémiologie (sens large) | 0,001 | 0,001 |
| Bibliométrie | 0,003 | 0,003 |
| Études des sciences et des technologies | 0,002 | 0,001 |
| Communication savante | 0,006 | 0,006 |
| Science ouverte | 0,002 | 0,003 |
| Intégrité de la recherche | 0,003 | 0,002 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,712 | 0,723 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule source (Gemma direct ou Codex distillé), pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».