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Dataset results
357 results for “puncture”
Needle-Free Lidocaine Injection vs Traditional Local Anesthesia in Infant Lumbar Puncture
ClinicalTrials.gov study NCT06552351. IPD Sharing: NO. Countries: 1. Publications: 7.
Aminophylline for Patients With Post-Dural Puncture Headache
ClinicalTrials.gov study NCT02522013. IPD Sharing: Not stated. Countries: 1. Publications: 5.
Smoking Cessation Before Bronchoscopy or CT-guided Puncture
ClinicalTrials.gov study NCT07322796. IPD Sharing: NO. Countries: 1. Publications: 8.
The Effects of the Parents' Voice to Reduce the Heel Puncture Pain in High-Risk Neonates
ClinicalTrials.gov study NCT05003661. IPD Sharing: NO. Countries: 1. Publications: 5.
Efficacy of Hypnosis on Pain and Anxiety During Lumbar Puncture for Etiological Diagnosis of Cognitive Impairment
ClinicalTrials.gov study NCT04368572. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
The Effect of Psychological State on Post Spinal Puncture Headache and Backache
ClinicalTrials.gov study NCT03427372. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Improvement of the Performance of Lumbar Punctures After Training Students With an Augmented Reality SIMulator
ClinicalTrials.gov study NCT05269238. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Dural Puncture Epidural vs Standard Epidural Analgesia in Labor
ClinicalTrials.gov study NCT07278895. IPD Sharing: YES. Countries: 1. Publications: 1.
Long Term Outcomes After Accidental Dural Puncture ADP Study
ClinicalTrials.gov study NCT03080779. IPD Sharing: NO. Countries: 1. Publications: 1.
Ultrasound Guyded Venous Puncture for Safe AF Ablation Procedures
ClinicalTrials.gov study NCT06403527. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Ultrasound-guided Femoral Puncture to Reduce Access- Related Complications After TAVR: (ACCESS-TAVR SIRIO)
ClinicalTrials.gov study NCT05637983. IPD Sharing: NO. Countries: 1. Publications: 1.
The Freiburg Registry on SpontanEous IntercrAnial Hypotension (SIH) & Post-duraL Puncture Headache (PDPH)
ClinicalTrials.gov study NCT06711731. IPD Sharing: UNDECIDED. Countries: 1. Publications: 25.
Conventional Versus RF Needle Transseptal Puncture for Cryoballoon Ablation
ClinicalTrials.gov study NCT03199703. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Peripheral Intravenous Puncture Guided by Vascular Ultrasound
ClinicalTrials.gov study NCT00930254. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Data from: How do morphological sharpness measures relate to puncture performance in viperid snake fangs?
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Data from: The influence of cactus spine surface structure on puncture performance and anchoring ability is tuned for ecology
Spines are common morphological features found in almost all major biological groups offering an opportunity to explore large-scale evolutionary convergence across disparate clades. As an example, opuntioid cacti have spines with barbed ornamentation that is remarkably similar in form and scale to that found on porcupine quills, suggesting specific biomechanical convergence across the animal and plant kingdoms. While the mechanics of porcupine quills as defensive mechanisms has been previously tested, the mechanics of cacti spines (which have evolved to fill a number of functions including defense, climbing and dispersal) has not been characterized. Here we study the puncturing and anchoring ability of six species of cactus, including both barbed and non-barbed spines. We found that barbed spines require less work to puncture a variety of targets than non-barbed spines. Barbed spines also require more work than non-barbed spines to withdraw from biological materials, due to their barbs engaging with tissue fibers. These results closely match those found previously for barbed vs. non-barbed porcupine quills, implying biomechanical convergence. The variation in performance of barbed versus non-barbed spines, as well as between barbed spines from different species, is likely tied to the diversity of ecological functions of cactus spines.
Data from: Performance of shark teeth during puncture and draw: implications for the mechanics of cutting
The performance of an organism's feeding apparatus has obvious implications for its fitness and survival. However, the majority of studies that focus on chondrichthyan feeding have largely ignored the role of teeth. Studying the functional morphology of shark teeth not only elucidates the biological role that teeth play in feeding, but also provides insight specifically into the evolution of shark feeding because teeth are often the only structures available in the fossil record. In the present study, we investigate the puncture and draw performance of three general categories of extant teeth, tearing-type, cutting-type, and cutting–clutching type, as well as three fossil morphologies, utilizing a universal testing system. Differences in puncturing performance occurred among different prey items, indicating that not all 'soft' prey items are alike. The majority of teeth were able to puncture different prey items, and differences in puncture performance also occurred among tooth types; however, few patterns emerged. In some cases, broader triangular teeth were less effective at puncturing than narrow-cusped teeth. There were no differences between the maximum draw forces and maximum puncture forces. Many of the shark teeth in the present study were not only able to perform draw and puncture equally well, but also many tooth morphologies were functionally equivalent to each other. The findings obtained in the present study lend little support to the belief that shark tooth morphology is a good predictor of biological role.
Peredo, Ingle, and Marshall Puncture Dataset
<p>Puncture performance tests reveal distinct feeding ecomorphs in pinniped teeth.</p>
Fault-tolerant preparation and gate fidelity simulation of the punctured quantum Reed-Muller 127 codes
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Recognition and differentiation of Dural puncture click sensation
<p><b>Background:</b> We hypothesized that the click perceived when puncturing the dura-arachnoid with fine-gauge spinal needles can be subjectively identified, and investigated whether it may be distinguishable among different needle types.</p> <p><b>Methods:</b> Subjective and objective evaluations were performed. First, physicians punctured the polyamide film or porcine dura mater (n=70 and n=20, respectively) with seven types of spinal needles and numerically evaluated the perceived click sensations. Using an 11-point numerical rating scale (from "0" for "no click sensation" to "10" for "the strongest click perceived") data, subjective differentiation among needle types was assessed. Second, in the objective part of the study, total forces elicited by polyamide film or porcine dura mater punctures with each needle were measured using a biomechanical testing device, and load-displacement curves evaluated. Third, the results of subjective and objective evaluations were compared.</p> <p><b>Results:</b> All participants recognized the click and could discriminate among needles of different tip shape. The load-displacement curves for polyamide film and porcine dura mater were similar and needle-specific. The subjective numerical rating scale values corresponded well with the objectively measured changes in total forces (<i>R</i><sup>2</sup> = 0.862 and <i>R</i><sup>2</sup> = 0.881 for polyamide film and porcine dura mater, respectively), indicating that an increase in the largest drop in total force value of 0.30 N or 0.21 N would produce an increase of numerical rating scale value of 1 for polyamide film and porcine dura mater, respectively.</p> <p><b>Conclusions:</b> We provide an objective proof of the click sensation felt upon dural puncture using different fine-gauge spinal needles. Click recognition could be used as an additional indicator of successful spinal puncture.</p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.