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Clinical Trial Summary

Utilizing existing data from CT/MRI images of patients, the investigators wish to develop an algorithm for augmenting the image obtained by ultrasound. In order to improved injection by ultrasound guidance


Clinical Trial Description

Introduction: A large proportion of injection-guided injections for pain relief including the lower back are performed with fluoroscopy. Performing the injection requires an adapted room, a fluoroscope with a C-shaped arm (c-arm), an X-ray technician, a physician, and a nurse. The amount of radiation, which is ionizing, is not negligible and depends very much on the reliability of the medical team. The injections performed in this technique include injections into the epidural space, injections into the facet joints (joints between the vertebrae of the back), nerve blocks, and radiofrequency nerve ablation. Using ultrasound imaging, as a substitute for fluoroscopy, may help real-time guidance of needle placement, and allow imaging from multiple directions, without ionizing radiation that endangers the patient and caregivers, while reducing treatment. costs The use of ultrasound imaging will allow these treatments to be performed in outpatient clinics as well, without the need for expensive equipment. Nowadays, with the existing ultrasound equipment, there is a very high variability as to the quality of the image obtained while scanning the lower back. Poor image quality makes it very difficult to perform an accurate and reliable injection. In contrast, the structures of the lower back can be optimally simulated using CT (mainly the skeletal structures such as vertebrae and joints) and using MRI (better resolution for soft tissue structures than for skeletal structures). Performing invasive injections under the guidance of these measures is costly both in terms of equipment and in terms of manpower and certainly contributes to ionizing exposure in the case of CT. At the same time, many patients come to the Institute of Pain Medicine, after performing these imaging tests. The investigators intend to develop an algorithm in which these tests (CT, MRI) will serve as a database for each patient participating in the study whose back will be scanned using an ultrasound transducer. According to the initiators of the study, the investigators can develop an imaging application that will rely on both the information of an imaging image of CT and / or MRI and after the back scan (using an ultrasound transducer) the investigators will get an improved (augmented) ultrasound image that can be used in the future as an ultrasound-guided injection. The aim of the present study is to improve the quality of the imaging image obtained when scanning the lower back with an ultrasound transducer using the information available from previous imaging images - CT and / or MRI The study population: Patients who are referred to the Rambam Institute of Pain Medicine suffering from low back pain and who have already undergone a CT scan or MRI examination of the lower back before arriving at the Institute Number of participants in this center: 50 patients Age range: Between the ages of 18 and 80 Gender: Without gender restriction Criteria for inclusion: 1. Low back pain including lower / upper back pain. 2. Patients who underwent MRI or CT imaging of the lower back during the past year. 3. Patients who can understand the rationale of the study and can sign an informed consent form. Criteria for exclusion: 1. Back surgery in the lower back area 2. Significant deformity in the back such as scoliosis with an angle above 50 degrees Criteria for removal from the experiment: none The duration of the medical trial includes the follow-up period after the trial: About a year Clinical follow-up program (during and after treatment): A: Patients eligible for the study will receive an explanation and sign a scientific consent form. B: Subjects will fill out a short demographic questionnaire as well as a questionnaire about their pain problem. Each subject will receive a unique identification number for the study itself. C: The subjects will be admitted to the Institute of Pain Medicine for the purpose of scanning the back using an ultrasound device. The required imaging acquisition, using the standard transducer (curved array or phased array), is of three scans along the bilateral spine, and three transverse scans in the same area. After scanning - which will take about 5 minutes, the data will be stored in digital media anonymously but with the unique identification number given to the patient in section B. D: The digital media - CT or MRI will be uploaded to the hospital's imaging archive. Data will be transferred anonymously to external media (disk with a unique identification number of the study only) The digital information of both the ultrasound scan and the previous imaging tests will be transferred to a biotechnology lab, without any identifying details of the patient for analysis. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04528875
Study type Observational
Source Rambam Health Care Campus
Contact Simon Vulfsons, M.D.
Phone +972502064890
Email s_vulfsons@rambam.health.gov.il
Status Recruiting
Phase
Start date February 5, 2021
Completion date November 2021

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