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120 results for “Epidural Anesthesia”
Endoscopic OCT for epidural anesthesia
<h2><strong>Code</strong> [<a href="https://github.com/thepanlab/Endoscopic_OCT_Epidural" target="_blank" rel="noopener">GitHub</a>] | <strong>Publication</strong> [<a href="https://doi.org/10.1038/s41598-022-12950-7" target="_blank" rel="noopener">Scientific Reports'22</a>]</h2> <div> <h3><strong>Abstract</strong></h3> <div> <p>Epidural anesthesia requires injection of anesthetic into the epidural space in the spine. Accurate placement of the epidural needle is a major challenge. To address this, we developed a forward-view endoscopic optical coherence tomography (OCT) system for real-time imaging of the tissue in front of the needle tip during the puncture. We tested this OCT system in porcine backbones and developed a set of deep learning models to automatically process the imaging data for needle localization. A series of binary classification models were developed to recognize the five layers of the backbone, including fat, interspinous ligament, ligamentum flavum, epidural space, and spinal cord. The classification models provided an average classification accuracy of 96.65%. During puncture, it is important to maintain a safe distance between the needle tip and the dura mater. Regression models were developed to estimate that distance based on the OCT imaging data. Based on the Inception architecture, our models achieved a mean absolute percentage error of 3.05% ± 0.55%. Overall, our results validated the technical feasibility of using this novel imaging strategy to automatically recognize different tissue structures and measure the distances ahead of the needle tip during the epidural needle placement.</p> <h3><strong>Description</strong></h3> </div> </div> <p>Epidural anesthesia is a method used to ease the pain of the patients. It is widely used in delivery and many other surgeries. However, there is a failure rate of around 20% due to the lack of needle guidance. Sometimes the needle is punctured too much, leading to some severe complications. Optical coherence tomography (OCT) is a novel technique widely used in medical imaging. It can provide imaging results of subsurface tissue with very high resolution (~several micrometers) in real time. In order to help the epidural anesthesia guidance, we built an OCT endoscope system to help image and recognize the tissue type in front of the needle during the puncture. We fabricated a gradient-index (GRIN) rod lens in front of the OCT scanner to expand the imaging distance, and make it possible to image the inner tissue of samples. To mimic the whole puncture process of the practical surgery, porcine back bones were utilized in our experiments and we inserted our OCT endoscope into five different tissue types: fat; interspinous ligament; ligamentum flavum; epidural space and spinal cord. OCT images of these types were obtained. Additionally, another dataset for epidural space is obtained in which, the distance to the spinal cord is annotated. We then used deep-learning models to perform classification for 1st dataset and regression for 2nd dataset.</p> <p>The dataset contains two folders:</p> <ul> <li>Epidural Classification: Inside each of the subfolders, the images are organized by subjects <ul> <li>Epidural: fat, flavum, ligament and spinal cord tissues</li> <li>Epidural_new_class: epidural space category (or Empty category)</li> </ul> </li> <li>Epidural Regression: Inside each of the subfolders, the images are organized by subjects and distance to spinal cord.</li> </ul> <p><strong>Changelog</strong></p> <p><a href="https://doi.org/10.5281/zenodo.5018581">v2.0</a>: Regression data added</p> <p><a href="https://doi.org/10.5281/zenodo.4891265">v1.0</a>: Classification data only</p>
Dural Puncture Epidural Versus Epidural Anesthesia for Cesarean Delivery
ClinicalTrials.gov study NCT03915574. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Propofol EC50 for Inducing Loss of Consciousness in General Combined Epidural Anesthesia
ClinicalTrials.gov study NCT05124704. IPD Sharing: NO. Countries: 1. Publications: 1.
Epidural Anesthesia for Transurethral Resection of The Prostate
ClinicalTrials.gov study NCT06893809. IPD Sharing: YES. Countries: 1. Publications: 12.
Trial Comparing Transversus Abdominis Plane Block Versus Epidural Anesthesia for Pain Management in Colorectal Surgery
ClinicalTrials.gov study NCT02591407. IPD Sharing: NO. Countries: 1. Publications: 1.
Clinical Study to Investigate the Efficacy and the Safety of DA-9501 in Sedation During the Surgery With Epidural Anesthesia or Spinal Anesthesia Without Intubation
ClinicalTrials.gov study NCT01438957. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Comparison of Chloroprocaine vs Lidocaine for Epidural Anesthesia in Cesarean Delivery
ClinicalTrials.gov study NCT03414359. IPD Sharing: NO. Countries: 1. Publications: 1.
Combined Spinal Epidural Anesthesia and General Anesthesia for Laparoscopic Cholecystectomy
ClinicalTrials.gov study NCT02317510. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Effectiveness of Epidural Anesthesia for Thoracic and Abdominal Surgery
ClinicalTrials.gov study NCT02315261. IPD Sharing: NO. Countries: 1. Publications: 1.
Epidural Anesthesia and Postoperative Analgesia With Ropivacaine and Fentanyl
ClinicalTrials.gov study NCT01384175. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Randomized Study of Spinal Anesthesia Compared With Traditional Epidural Anesthesia Concerning Peroperative and Postoperative Pain After Open Nephrectomy in Patients With Renal Cell Carcinoma
ClinicalTrials.gov study NCT02030717. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Hemodynamic Impact of Epidural Anesthesia in Relation to Age in Pediatric Patients.
ClinicalTrials.gov study NCT05543824. IPD Sharing: NO. Countries: 1. Publications: 2.
Effects of Epidural Anesthesia and Analgesia on the Prognosis in Patients Undergoing Pancreatic Cancer Surgery
ClinicalTrials.gov study NCT03245346. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Study Comparing Dural Puncture Epidural With Epidural and Combined Spinal Epidural Anesthesia for Obstetric Analgesia.
ClinicalTrials.gov study NCT05196256. IPD Sharing: NO. Countries: 1. Publications: 23.
Epidural and Spinal Anesthesia Techniques in Pilonidal Dermoid Sinus Surgeries
ClinicalTrials.gov study NCT02580500. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Comparison of Thoracoscopic Talc Pleurodesis by Thoracic Epidural or General Anesthesia
ClinicalTrials.gov study NCT01469728. IPD Sharing: Not stated. Countries: 1. Publications: 9.
Comparison of Dural Puncture Epidural and Standard Epidural Anesthesia Techniques in Elective Cesarean Deliveries
ClinicalTrials.gov study NCT07295080. IPD Sharing: NO. Countries: 1. Publications: 3.
A Comparison of Dexmedetomidine and Epidural Anesthesia Under General Anesthesia in Patients Undergoing Gastrectomy
ClinicalTrials.gov study NCT01657812. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Comparison of Three Different Sitting Positions for Performing Combined Spinal-Epidural Anesthesia
ClinicalTrials.gov study NCT03541798. IPD Sharing: NO. Countries: 1. Publications: 4.
Comparative Study on the Effects of Epidural Dexmedetomidine on Heart Rate Variability During General Anesthesia in Patients Undergoing Gastrectomy
ClinicalTrials.gov study NCT01857141. IPD Sharing: Not stated. Countries: 1. Publications: 5.
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