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Video fluoroscopy

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https://www.readbyqxmd.com/read/29312847/augmented-reality-the-use-of-the-picolinker-smart-glasses-improves-wire-insertion-under-fluoroscopy
#1
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
#2
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
#3
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-video-fluoroscopy
#4
D Nevens, A Goeleven, F Duprez, R Braeken, E Decabooter, M De Smet, L Lutters, E Dejaeger, W De Neve, S Nuyts
BACKGROUND AND PURPOSE: 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: Sixty-three patients from 2 different centers 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 2 observers...
December 7, 2017: 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
#5
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
#6
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...
November 21, 2017: 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-anesthesia
#7
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: Twenty-one 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)...
November 27, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/29130520/narrated-video-demonstrating-the-procedure-of-videourodynamics
#8
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
#9
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...
November 9, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28982614/video-urodynamic-study-in-female-adults-with-air-filled-catheters-a-health-care-training-video
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/28866457/randomized-trial-of-cholangioscopy-guided-laser-lithotripsy%C3%A2-versus-conventional-therapy-for-large-bile-duct%C3%A2-stones-with-videos
#13
James Buxbaum, Ara Sahakian, Christopher Ko, Preeth Jayaram, Christianne Lane, Chung Yao Yu, Ravi Kankotia, Loren Laine
BACKGROUND AND AIMS: Bile duct stones >1 cm have a decreased incidence of successful endoscopic extraction and often require lithotripsy. Although previous guidelines suggested mechanical lithotripsy for large common bile duct stones, current guidelines suggest cholangioscopy-guided lithotripsy as an adjunct with or without balloon dilation or mechanical lithotripsy. However, no randomized trials have assessed the usefulness of this practice. METHODS: Patients with bile duct stones >1 cm in diameter were randomized in a 2:1 ratio to cholangioscopy-guided laser lithotripsy versus conventional therapy only...
September 1, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28864483/cadaveric-study-of-movement-in-the-unstable-upper-cervical-spine-during-emergency-management-tracheal-intubation-and-cervical-spine-immobilisation-a-study-protocol-for-a-prospective-randomised-crossover-trial
#14
Shiyao Liao, Erik Popp, Petra Hüttlin, Frank Weilbacher, Matthias Münzberg, Niko Schneider, Michael Kreinest
INTRODUCTION: Emergency management of upper cervical spine injuries often requires cervical spine immobilisation and some critical patients also require airway management. The movement of cervical spine created by tracheal intubation and cervical spine immobilisation can potentially exacerbate cervical spinal cord injury. However, the evidence that previous studies have provided remains unclear, due to lack of a direct measurement technique for dural sac's space during dynamic processes...
September 1, 2017: BMJ Open
https://www.readbyqxmd.com/read/28820559/percutaneous-mitral-balloon-valvuloplasty-in-a-pregnant-patient-under-guidance-of-three-dimensional-transesophageal-echocardiography-and-right-atrial-mapping-without-using-fluoroscopy
#15
Begum Uygur, Hamdi Pusuroglu, Aydin Yildirim
Mitral stenosis is the most common valvular pathology complicating pregnancy. Herein are reported the details of a 26-week pregnant patient with severe mitral stenosis and NYHA class 3-4 symptoms. Percutaneous mitral balloon valvuloplasty was performed under guidance of three-dimensional transesophageal echocardiography and right atrial mapping, without using fluoroscopy. Video 1: Two-dimensional transesophageal echocardiography. The four-chamber view shows limited opening of the rheumatic mitral valve. Video 2: Two-dimensional transesophageal echocardiography while the balloon is inflated...
March 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28820553/is-transcatheter-tricuspid-valve-in-valve-implantation-feasible-in-the-presence-of-right-atrial-thrombus
#16
Jan Henzel, Zofia Dzielińska, Marek Konka, Maciej Dąbrowski, Marcin Protasiewicz, Adam Witkowski, Marcin Demkow
The case is reported of a successful transcatheter implantation of an Edwards SAPIEN 3 valve (29 mm) into a failing tricuspid bioprosthesis (Sorin Pericarbon, 31 mm). The procedure was performed in a 69-year-old woman with post-rheumatic mitral and tricuspid valve disease. Multiple previous cardiac surgeries precluded the use of another surgical approach. A large, organized, two-piece thrombus in the enlarged right atrium was not considered an absolute contraindication to the procedure. The SAPIEN 3 valve was implanted under general anesthesia, via a femoral venous access, under three-dimensional transesophageal echocardiography guidance...
March 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28809633/the-potential-of-the-icuc%C3%A2-documentation-concept-to-improve-trauma-surgery
#17
P Regazzoni, A A Fernandez Dell'oca, S M Perren
Conventional documentation of surgical procedures using only pre- and postoperative X-ray images and possibly a few intra-operative pictures does not allow secondary analysis of the technical performance in detail. In particular, the quality of the handling of tissues and surgical tools cannot be judged «post hoc», i.e. after the end of the surgical procedure. The invasiveness of the surgical act cannot yet be quantified. Surrogate invasiveness indices have therefore been developed. Furthermore, conventional documentation does not allow evaluation of the proper use of the C-arm both technically and with regard to fluoroscopy time...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28804031/effects-of-a-brief-educational-program-on-optimization-of-fluoroscopy-to-minimize-radiation-exposure-during-endoscopic-retrograde-cholangiopancreatography
#18
Monique T Barakat, Nirav C Thosani, Robert J Huang, Abhishek Choudhary, Rajan Kochar, Shivangi Kothari, Subhas Banerjee
BACKGROUND & AIMS: Fluoroscopy during endoscopic retrograde cholangiopancreatography (ERCP) is increasingly performed by therapeutic endoscopists, many of whom have not received formal training in modulating fluoroscopy use to minimize radiation exposure. Exposure to ionizing radiation has significant health consequences for patients and endoscopists. We aimed to evaluate whether a 20-minute educational intervention for endoscopists would improve use of fluoroscopy and decrease ERCP-associated exposure to radiation for patients...
August 10, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28780107/validation-of-2-noninvasive-markerless-reconstruction-techniques-in-biplane-high-speed-fluoroscopy-for-3-dimensional-research-of-bovine-distal-limb-kinematics
#19
M Weiss, E Reich, S Grund, C K W Mülling, S M Geiger
Lameness severely impairs cattle's locomotion, and it is among the most important threats to animal welfare, performance, and productivity in the modern dairy industry. However, insight into the pathological alterations of claw biomechanics leading to lameness and an understanding of the biomechanics behind development of claw lesions causing lameness are limited. Biplane high-speed fluoroscopic kinematography is a new approach for the analysis of skeletal motion. Biplane high-speed videos in combination with bone scans can be used for 3-dimensional (3D) animations of bones moving in 3D space...
August 2, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28735768/cervical-flexion-and-extension-includes-anti-directional-cervical-joint-motion-in-healthy-adults
#20
Xu Wang, René Lindstroem, Maciej Plocharski, Lasse Riis Østergaaard, Thomas Graven-Nielsen
BACKGROUND CONTEXT: Anti-directional cervical joint motion has previously been demonstrated. However, quantitative studies of anti-directional and pro-directional cervical flexion and extension motions have not been published. PURPOSE: Quantitative assessment of directional and anti-directional cervical joint motion in healthy subjects. STUDY DESIGN: Observational study. PATIENTS SAMPLE: Eighteen healthy subjects. OUTCOME MEASURES: Anti-directional and pro-directional cervical flexion and extension motion from each cervical joint in degrees...
July 20, 2017: Spine Journal: Official Journal of the North American Spine Society
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