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Video fluoroscopy

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https://www.readbyqxmd.com/read/29624623/motion-and-dural-sac-compression-in-the-upper-cervical-spine-during-the-application-of-a-cervical-collar-in-case-of-unstable-craniocervical-junction-a-study-in-two-new-cadaveric-trauma-models
#1
Shiyao Liao, Niko R E Schneider, Petra Hüttlin, Paul A Grützner, Frank Weilbacher, Stefan Matschke, Erik Popp, Michael Kreinest
BACKGROUND: Unstable conditions of the craniocervical junction such as atlanto-occipital dislocation (AOD) or atlanto-axial instability (AAI) are severe injuries with a high risk of tetraplegia or death. Immobilization by a cervical collar to protect the patient from secondary damage is a standard procedure in trauma patients. If the application of a cervical collar to a patient with an unstable craniocervical condition may cause segmental motion and secondary injury to the spinal cord is unknown...
2018: PloS One
https://www.readbyqxmd.com/read/29619279/computed-tomography-guided-pulmonary-nodule-microcoil-localization-technique-misplacement-errors-and-complications-a-pictorial-essay
#2
Sultan R Alharbi
Computed tomography-guided pulmonary nodule microcoil localization is done preoperatively to fluoroscopic-guided video-assisted thoracoscopic surgical resection. This pictorial essay explains and illustrates the microcoil localization technique, various microcoil placement errors, intraoperative fluoroscopy-guided resection, and postmicrocoil localization complications.
2018: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/29573697/changes-in-total-knee-arthroplasty-design-affect-in-vivo-kinematics-in-a-redesigned-total-knee-system-a-fluoroscopy-study
#3
Francesco Zambianchi, Francesco Fiacchi, Vincenzo Lombari, Luca Venturelli, Andrea Marcovigi, Andrea Giorgini, Fabio Catani
BACKGROUND: Journey II Bi-Cruciate-Stabilized knee system was designed to overcome the complications of Journey Bi-Cruciate-Stabilized, including ilio-tibial band inflammation and episodes of dislocation. The purpose of this study was to assess differences in knee kinematics between the first and second-generation design by means of video-fluoroscopy. Re-designed prosthesis in-vivo kinematics was analyzed during activities of daily living and results were eventually compared with those of the previous system, as reported in a previously published study...
March 20, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29438856/the-surgical-management-of-dysphagia-secondary-to-diffuse-idiopathic-skeletal-hyperostosis
#4
Y C Lui Jonathan, P Sayal, G Prezerakos, V Russo, D Choi, A T H Casey
OBJECTIVE: This study reviews the management pathway and surgical outcomes of patients referred to and operated on at a tertiary neurosurgical centre, for dysphagia associated with anterolateral cervical hyperostosis (ACH) in diffuse idiopathic skeletal hyperostosis (DISH). PATIENTS & METHODS: Electronic patient records for 6 patients who had undergone anterior cervical osteophytectomy for dysphagia secondary to ACH were reviewed. ACH diagnosis was made by an Ear, Nose and Throat (ENT) specialist and patients were referred to a neurosurgical-led multidisciplinary team (MDT) for review...
April 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29395427/computed-tomography-angiography-fluoroscopy-image-fusion-allows-visceral-vessel-cannulation-without-angiography-during-fenestrated-endovascular-aneurysm-repair
#5
Adeline Schwein, Ponraj Chinnadurai, Greg Behler, Alan B Lumsden, Jean Bismuth, Carlos F Bechara
BACKGROUND: Fenestrated endovascular aneurysm repair (FEVAR) is an evolving technique to treat juxtarenal abdominal aortic aneurysms (AAAs). Catheterization of visceral and renal vessels after the deployment of the fenestrated main body device is often challenging, usually requiring additional fluoroscopy and multiple digital subtraction angiograms. The aim of this study was to assess the clinical utility and accuracy of a computed tomography angiography (CTA)-fluoroscopy image fusion technique in guiding visceral vessel cannulation during FEVAR...
January 30, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29393273/pleural-dye-marking-using-radial-endobronchial-ultrasound-and-virtual-bronchoscopy-before-sublobar-pulmonary-resection-for-small-peripheral-nodules
#6
Samy Lachkar, Jean-Marc Baste, Luc Thiberville, Christophe Peillon, Philippe Rinieri, Nicolas Piton, Florian Guisier, Mathieu Salaun
BACKGROUND: Minimally invasive surgery of pulmonary nodules allows suboptimal palpation of the lung compared to open thoracotomy. OBJECTIVE: The objective of this study was to assess endoscopic pleural dye marking using radial endobronchial ultrasound (r-EBUS) and virtual bronchoscopy to localize small peripheral lung nodules immediately before minimally invasive resection. METHODS: The endoscopic procedure was performed without fluoroscopy, under general anesthesia in the operating room immediately before minimally invasive surgery...
January 25, 2018: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/29389064/tracheal-advancement-with-myomucosal-island-flap-for-partial-laryngopharyngectomy-defect-reconstruction
#7
Shawn T Joseph, B S Naveen, Mihir Mohan T, Jose Tharayil T
BACKGROUND: Restoring the anatomy and function of a partial laryngopharyngectomy with hemicricoid defect is an extremely challenging area in head and neck cancer surgery. Procedures such as tracheal autotransplantation described for these defects are complex and attempted in very few centers. Therefore, the purpose of this article was to share our technique of reconstructing such defects with tracheal advancement with myomucosal island flap for laryngopharyngeal defect (TAMMIL), which allows functional reconstruction of the larynx...
April 2018: Head & Neck
https://www.readbyqxmd.com/read/29366488/repeatability-of-cervical-joint-flexion-and-extension-within-and-between-days
#8
Xu Wang, René Lindstroem, Maciej Plocharski, Lasse Riis Østergaard, Thomas Graven-Nielsen
OBJECTIVE: The purpose of this study was to investigate within- and between-day repeatability of free and unrestricted healthy cervical flexion and extension motion when assessing dynamic cervical spine motion. METHODS: Fluoroscopy videos of 2 repeated cervical flexion and 2 repeated extension motions were examined for within-day repeatability (20-second interval) for 18 participants (6 females) and between-day repeatability (1-week interval) for 15 participants (6 females)...
January 2018: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/29312847/augmented-reality-the-use-of-the-picolinker-smart-glasses-improves-wire-insertion-under-fluoroscopy
#9
Takafumi Hiranaka, Takaaki Fujishiro, Yuichi Hida, Yosaku Shibata, Masanori Tsubosaka, Yuta Nakanishi, Kenjiro Okimura, Harunobu Uemoto
AIM: To demonstrate the feasibility of the wearable smart glasses, PicoLinker, in guide wire insertion under fluoroscopic guidance. METHODS: Under a fluoroscope, a surgeon inserted 3 mm guide wires into plastic femurs from the lateral cortex to the femoral head center while the surgeon did or did not wear PicoLinker, which are wearable smart glasses where the fluoroscopic video was displayed (10 guide wires each). RESULTS: The tip apex distance, radiation exposure time and total insertion time were significantly shorter while wearing the PicoLinker smart glasses...
December 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/29302950/use-of-impella-5-0-prior-to-transcatheter-aortic-valve-replacement-in-a-patient-with-severe-aortic-stenosis-and-cardiogenic-shock
#10
Dustin W Johnson, John P ErwinIII
The use of transcatheter aortic valve replacement (TAVR) has risen dramatically during the past decade. Notably, the procedure can reduce symptoms and improve prognosis in patients who would otherwise be excluded from intervention due to prohibitive surgical risk. During the same time period, the use of percutaneous mechanical circulatory support devices for patients with severe left ventricular dysfunction, including the Impella System (Abiomed, Inc., Danvers, MA, USA), has also increased. These devices provide superior hemodynamic effects compared to intra-aortic balloon pumping...
July 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29247354/preoperative-short-hookwire-placement-for-small-pulmonary-lesions-evaluation-of-technical-success-and-risk-factors-for-initial-placement-failure
#11
Toshihiro Iguchi, Takao Hiraki, Yusuke Matsui, Hiroyasu Fujiwara, Yoshihisa Masaoka, Takashi Tanaka, Takuya Sato, Hideo Gobara, Shinichi Toyooka, Susumu Kanazawa
OBJECTIVES: To retrospectively evaluate the technical success of computed tomography fluoroscopy-guided short hookwire placement before video-assisted thoracoscopic surgery and to identify the risk factors for initial placement failure. METHODS: In total, 401 short hookwire placements for 401 lesions (mean diameter 9.3 mm) were reviewed. Technical success was defined as correct positioning of the hookwire. Possible risk factors for initial placement failure (i.e...
December 15, 2017: European Radiology
https://www.readbyqxmd.com/read/29212356/does-the-total-dysphagia-risk-score-correlate-with-swallowing-function-examined-by-videofluoroscopy
#12
RANDOMIZED CONTROLLED TRIAL
Daan Nevens, Ann Goeleven, Fréderic Duprez, R Braeken, E Decabooter, M De Smet, L Lutters, Eddy Dejaeger, Wilfried De Neve, Sandra Nuyts
OBJECTIVE: The purpose of this study was to correlate the total dysphagia risk score (TDRS) with swallowing function as measured by videofluoroscopy of swallowing using the swallowing performance scale (SPS) and the penetration aspiration scale (PAS). METHODS: 63 patients from two different centres treated with radiotherapy for head and neck cancer were evaluated in the current study. Swallowing videofluoroscopies at baseline, 6 and 12 months following radiotherapy were evaluated by two observers...
February 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29196942/spinal-movement-and-dural-sac-compression-during-airway-management-in-a-cadaveric-model-with-atlanto-occipital-instability
#13
Shiyao Liao, Niko R E Schneider, Frank Weilbacher, Anne Stehr, Stefan Matschke, Paul A Grützner, Erik Popp, Michael Kreinest
PURPOSE: To analyze the compression of the dural sac and the cervical spinal movement during performing different airway interventions in case of atlanto-occipital dislocation. METHODS: In six fresh cadavers, atlanto-occipital dislocation was performed by distracting the opened atlanto-occipital joint capsule and sectioning the tectorial membrane. Airway management was done using three airway devices (direct laryngoscopy, video laryngoscopy, and insertion of a laryngeal tube)...
December 1, 2017: European Spine Journal
https://www.readbyqxmd.com/read/29174882/optimizing-intraoperative-imaging-during-proximal-femoral-fracture-fixation-a-performance-improvement-program-for-surgeons
#14
Daniel Rikli, Sabine Goldhahn, Michael Blauth, Samir Mehta, Michael Cunningham, Alexander Joeris
INTRODUCTION: Formal training for surgeons regarding intraoperative imaging is lacking. This project investigated the effect of an educational intervention focusing on obtaining and assessing a standardized lateral view of the proximal femur during intramedullary nailing of a pertrochanteric fracture. MATERIALS AND METHODS: Anatomical landmarks of the proximal femur that can be identified using intraoperative fluoroscopy and criteria for image quality, i.e. quality of projection were defined in a consensus process, followed by the development of educational materials and a 7-item checklist...
February 2018: Injury
https://www.readbyqxmd.com/read/29172683/new-technique-of-percutaneous-ct-fluoroscopy-guided-marking-before-video-assisted-thoracoscopic-surgery-for-small-lung-lesions-feasibility-of-using-a-25-gauge-needle-without-local-anaesthesia
#15
Yasuteru Shimamura, Shigeru Sasaki, Masashi Shimohira, Hiroyuki Ogino, Daisuke Yuki, Katsumi Nakamae, Masaki Hara, Yuta Shibamoto
OBJECTIVE: To retrospectively evaluate the feasibility of CT fluoroscopy-guided percutaneous marking using a 25-gauge needle and indigo carmine before video-assisted thoracoscopic surgery (VATS) for small lung lesions. METHODS: 21 patients, 14 males and 7 females, with a median age of 69 years (range, 40-79), underwent CT fluoroscopy-guided percutaneous VATS marking using a 25-gauge, 70-mm needle and 1.5-ml indigo carmine. The mean diameter of the lung lesions was 14 mm (range, 6-27)...
February 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29130520/narrated-video-demonstrating-the-procedure-of-videourodynamics
#16
Linda Cardozo, Fevzi Shakir, George Araklitis, Angie Rantell, Dudley Robinson
AIMS: To present a narrated video designed to demonstrate the steps involved in the procedure of videourodynamics. METHODS: The technique shown and described in this teaching video is that performed in the urogynaecology Department at King's College Hospital, London. The equipment utilizes fluid filled lines and external pressure transducers which provide accurate and consistent results. RESULTS: The advantage of videocystourolodraphy is that as well as incorporating screening fluoroscopy with a cystometric trace, simultaneous assessment of lower urinary tract anatomy and morphology and function is possible...
November 11, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29129528/educational-effects-of-radiation-reduction-during-fluoroscopic-examination-of-the-adult-gastrointestinal-tract
#17
Moon Hyung Choi, Seung Eun Jung, Soon Nam Oh, Jae Young Byun
RATIONALE AND OBJECTIVES: This study aimed to evaluate the effects of educating radiology residents and radiographers about radiation exposure on reduction of dose area product (DAP) and fluoroscopy time in diagnostic fluoroscopy of the gastrointestinal (GI) tract in adult patients. MATERIALS AND METHODS: In April 2015, we offered 1 hour of education to radiology residents and radiographers on how to reduce radiation doses during fluoroscopic examinations. Fluoroscopic examinations of the GI tracts of adult patients performed from June 2014 to February 2016 were evaluated...
February 2018: Academic Radiology
https://www.readbyqxmd.com/read/28982614/video-urodynamic-study-in-female-adults-with-air-filled-catheters-a-health-care-training-video
#18
Veerle Decalf, Inge Ragolle, Achilles Ploumidis, Piet Hoebeke, Karel Everaert, Anne-Françoise Spinoit
OBJECTIVE: To take the first step toward standardization of UDS with air-filled catheters, we present a video documenting a procedure for performing video UDS with air-filled catheters in female adults. According to The International Consultation on Incontinence (ICS), the aim of urodynamic studies (UDS) in clinical practice is to evaluate a patient's lower urinary tract function with at least 1 complete and representative filling-voiding-post-voiding cycle by testing with relevant pressures and flowmetry...
October 2017: Urology
https://www.readbyqxmd.com/read/28894011/palpitations-in-a-72-year-old-woman
#19
Claire A Martin, Parag R Gajendragadkar, Sharad Agarwal
CLINICAL INTRODUCTION: A 72-year-old woman presented with an 8-year history of palpitations occurring every few weeks. They were sudden in onset, were associated with dizziness and could last for up to 2 hours. She was prescribed bisoprolol which reduced the frequency of events but did not abolish them. Baseline ECG and echocardiography were normal. She was referred for electrophysiological study. Despite initial difficulties, diagnostic catheters were placed in the right ventricular (RV) apex and in the coronary sinus (CS) via the right internal jugular vein and superior vena cava (SVC) (figure 1A)...
October 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28870555/botulinum-toxin-alleviates-dysphagia-of-patients-with-inclusion-body-myositis
#20
Aleksi Schrey, Laura Airas, Manu Jokela, Jaakko Pulkkinen
OBJECTIVES: Oropharyngeal dysphagia is a disabling and undertreated symptom that often occurs in patients with sporadic inclusion body myositis (s-IBM). In this study, we examined the effect of botulinum neurotoxin A (BoNT-A) injections to the cricopharyngeus muscle (CPM) of patients with s-IBM and dysphagia. PATIENTS, MATERIALS AND METHODS: A single-center retrospective study involving 40 biopsy-proven s-IBM-patients treated in the District of Southwest Finland from 2000 to 2013...
September 15, 2017: Journal of the Neurological Sciences
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