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https://www.readbyqxmd.com/read/28651099/brain-shift-compensation-using-intraoperative-ultrasound-and-constraint-based-biomechanical-simulation
#1
Fanny Morin, Hadrien Courtecuisse, Ingerid Reinertsen, Florian Le Lann, Olivier Palombi, Yohan Payan, Matthieu Chabanas
PURPOSE: During brain tumor surgery, planning and guidance are based on preoperative images which do not account for brain-shift. However, this deformation is a major source of error in image-guided neurosurgery and affects the accuracy of the procedure. In this paper, we present a constraint-based biomechanical simulation method to compensate for craniotomy-induced brain-shift that integrates the deformations of the blood vessels and cortical surface, using a single intraoperative ultrasound acquisition...
June 15, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28649711/point-of-care-ultrasound-in-general-surgery-residency-training-a-proposal-for-milestones-in-graduate-medical-education-ultrasound
#2
Eliza W Beal, Benjamin R Sigmond, Latifa Sage-Silski, Samantha Lahey, Victor Nguyen, David P Bahner
The use of point-of-care ultrasound (US) in the clinical setting has undergone massive growth, although its incorporation into training and practice is variable. Surgeons are interested in using point-of-care US and can incorporate it effectively into clinical practice. However, the current state of point-of-care US training in general surgery is inadequate. The Accreditation Council for Graduate Medical Education introduced the Milestones Project to evaluate resident and fellow performance. Emergency medicine is the only specialty with a point-of-care US milestone...
June 26, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28647928/pre-procedural-ultrasonography-for-tracheostomy-in-critically-ill-patients-a-prospective-study
#3
Ella Even-Tov, Itzhak Koifman, Vladimir Rozentsvaig, Leonid Livshits, Peter Gilbey
BACKGROUND: Percutaneous dilatational tracheostomy (PDT) has become a standard technique for critically ill patients who require long-term ventilation. The most common early post-operative complication is bleeding related to anatomical variation in vasculature. The procedure is performed at the patient's bedside unless this is deemed unsafe and then the accepted alternative is open tracheostomy in the operating room. OBJECTIVES: To evaluate the use of pre-procedural ultrasound to aid in the decision of whether PDT in critical care patients should be performed at the patient's bedside or by open surgical tracheostomy...
June 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28647574/a-rare-uterine-malformation-asymmetric-septate-uterus
#4
Alper Biler, Ali Akdemir, Nuri Peker, Fatih Sendag
STUDY OBJECTIVE: To demonstrate a step by step surgical hysteroscopy technique in a patient with asymmetric uterine septum and transverse uterine septum that was not previously described in the literature. DESIGN: Resection of a asymmetric uterine septum by laparoscopy and ultrasound-guided hysteroscopy (Canadian Task Force Classification III). The video was assumed exempt from official review by our institutional review board. SETTING: A septate uterus is defined as the uterus in which the uterine cavity is longitudinally divided by the septum (1)...
June 21, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28645855/training-surgical-residents-with-a-haptic-robotic-central-venous-catheterization-simulator
#5
David F Pepley, Adam B Gordon, Mary A Yovanoff, Katelin A Mirkin, Scarlett R Miller, David C Han, Jason Z Moore
OJECTIVE: Ultrasound guided central venous catheterization (CVC) is a common surgical procedure with complication rates ranging from 5 to 21 percent. Training is typically performed using manikins that do not simulate anatomical variations such as obesity and abnormal vessel positioning. The goal of this study was to develop and validate the effectiveness of a new virtual reality and force haptic based simulation platform for CVC of the right internal jugular vein. DESIGN: A CVC simulation platform was developed using a haptic robotic arm, 3D position tracker, and computer visualization...
June 20, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28643658/quality-assessment-of-pelvic-ultrasound-for-uterine-myoma-according-to-the-cngof-guidelines
#6
D Perrot, H Fernandez, J M Levaillant, P Capmas
INTRODUCTION: French guidelines regarding the minimum criteria for gynaecological ultrasound were given in a recent report in 2016, by the French National College of Obstetricians and Gynaecologists (CNGOF). An accurate report is essential for the optimal care of women, especially those presenting myomas. The goal of this study was to evaluate the quality of gynaecological ultrasound reports for women with type 0 to 2 uterine myomas, referring to the items contained in the French guidelines...
April 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28628601/the-damage-control-surgery-in-austere-environments-research-group-dcsaerg-a-dynamic-program-to-facilitate-real-time-telementoring-telediagnosis-to-address-exsanguination-in-extreme-and-austere-environments
#7
Andrew W Kirkpatrick, Jessica L McKee, Paul B McBeth, Chad G Ball, Anthony LaPorta, Timothy Broderick, Tim Leslie, David King, Heather E Wright Beatty, Jocelyn Keillor, Homer Tien
Hemorrhage is the most preventable cause of posttraumatic death. Many cases are potentially anatomically salvageable, yet remain lethal without logistics or trained personnel to deliver diagnosis or resuscitative surgery in austere environments. Revolutions in technology for remote mentoring of ultrasound and surgery may enhance capabilities to utilize the skill sets of non-physicians. Thus, our research collaborative explored remote mentoring to empower non-physicians to address junctional and torso hemorrhage control in austere environments...
July 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28604072/-ultrasonographic-diagnosis-of-distal-pediatric-forearm-fractures
#8
Marcell Varga, Nikolett Gáti, Erika Kalóz, Zsuzsanna Bíró, Csenge Szeverényi, Dániel Kardos, Gergő Józsa
INTRODUCTION AND AIM: The aim of our prospective study was to evaluate the effectivity of sonographic diagnosis of pediatric wrist fractures and analyzing the results of two pediatric musculoskeletal centers. METHOD: Between 2011 January and 2015 December 467 children aged 0-15 with closed wrist injuries and open growth plates were sonographically and radiologically evaluated by an orthopaedic surgeon or a resident in trainee. Sonography was performed immediately after physical examination with linear probes of 7-14 Mhz frequency...
June 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28601332/the-surgeon-performed-ultrasound-a-curriculum-to-improve-residents-basic-ultrasound-knowledge
#9
Ibrahim Nassour, M Chance Spalding, Linda S Hynan, Aimee K Gardner, Brian H Williams
BACKGROUND: Despite the development of ultrasound courses by the American College of Surgeons two decades ago, many residencies lack formal ultrasound training. The aim of this study was to assess the previous ultrasound experience of residents and the efficacy of a new ultrasound curriculum by comparing pre- and post-course tests. METHODS: A pre-course survey and test were sent to all residents at the University of Texas Southwestern Medical Center. Pre-interns and junior residents received a didactic lecture on ultrasound basics and the extended focused assessment with sonography for trauma and were given hands-on practice...
June 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28599330/-improvement-of-phaco-tip-geometry-during-torsional-phacoemulsification
#10
Jan Markus Vetter, Christopher Wirbelauer
Background Advanced cataract with hard lens nuclei frequently challenge the ophthalmologic surgeon when doing phacoemulsification. In the present study, we examined the effect of a new phaco tip design during cataract surgery. Patients and Methods 100 patients were assigned to two groups. In group 1 (50 patients), the Kelman(®) tip design (Alcon) was used during phacoemulsification, while in group 2 (50 patients), the Intrepid(®) Balanced Tip was applied. Trypan blue was used in both groups, if necessary, to stain the anterior lens capsule prior to capsulorhexis...
June 9, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28595948/healing-and-functional-outcome-of-a-subscapularis-peel-repair-with-a-stem-based-repair-after-total-shoulder-arthroplasty
#11
Reuben Gobezie, Patrick J Denard, Yousef Shishani, Anthony A Romeo, Evan Lederman
BACKGROUND: The purpose of this study was to evaluate functional outcome and healing of a subscapularis peel with a stem-based repair after total shoulder arthroplasty (TSA). The hypothesis was that the repair would lead to subscapularis healing in the majority of cases. METHODS: A prospective analysis was performed on a consecutive series of TSAs. Range of motion and functional outcome were assessed according to American Shoulder and Elbow Surgeons, Single Assessment Numeric Evaluation, Simple Shoulder Test, and visual analog scale scores at a minimum follow-up of 1 year...
June 5, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28586247/holmium-laser-enucleation-of-the-prostate-after-prostatic-urethral-lift-surgery-feasibility-and-technical-considerations-from-a-multi-institutional-case-series
#12
Sean B McAdams, Joel Funk, Andrew Navetta, Marawan El Tayeb, Mitchell R Humphreys
INTRODUCTION AND OBJECTIVE: Prostatic urethral lift (PUL) is gaining popularity for the treatment of symptomatic benign prostatic hyperplasia (BPH). We describe the feasibility and considerations of performing holmium laser enucleation of the prostate (HoLEP) as a salvage therapy after previous PUL. METHODS: Men who have undergone HoLEP after PUL were retrospectively identified from three institutions with surgeons experienced in HoLEP. Subjects were characterized by age, time from PUL procedure (months) to HoLEP surgery, indication for retreatment, and pre-operative prostate volume by ultrasound...
June 6, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28585784/-use-of-ultrasound-for-placement-of-central-venous-catheters-in-pediatrics-results-of-a-national-survey
#13
Á Sánchez Sánchez, O Girón Vallejo, R Ruiz-Pruneda, M Fernández Ibieta, P Y Reyes Ríos, V Villamil, I Martínez-Castaño, J Rojas Ticona, M C Giménez Aleixandre, J I Ruiz Jiménez
OBJECTIVES: To study the variability of techniques used for vascular access of central venous devices, totally implanted and external tunneled, as well as polling the use of ultrasound by pediatric surgeons in Spain. MATERIAL AND METHODS: Descriptive study of a survey results, conducted by phone, email and online, about 20 items related to the placement of these devices in children and the use of ultrasound in this procedure. RESULTS: We analyzed 71 surveys from 31 national hospitals...
January 25, 2017: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
https://www.readbyqxmd.com/read/28577841/aortic-atheroma-increases-the-risk-of-long-term-mortality-in-20-000-patients
#14
Carolyn Goldberg Butler, Jamahal Maeng Ho Luxford, Chuan-Chin Huang, Julius I Ejiofor, James D Rawn, Kerry Wilusz, John A Fox, Stanton K Shernan, Jochen Daniel Muehlschlegel
BACKGROUND: The association between long-term survival and aortic atheroma in cardiac surgical patients has not been comprehensively investigated. In this study we determine the relation between grade of atheroma and the risk of long-term mortality in a retrospective cohort of more than 20,000 patients undergoing cardiac operation during a 20-year period. METHODS: We included 22,304 consecutive intraoperative transesophageal and epiaortic ultrasound examinations performed at Brigham and Women's Hospital between 1995 and 2014, with long-term follow-up...
June 1, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28576667/bipolar-plasma-enucleation-of-the-prostate-b-tuep-in-benign-prostate-hypertrophy-treatment-3-year-results
#15
Roberto Giulianelli, Barbara Cristina Gentile, Gabriella Mirabile, Luca Albanesi, Paola Tariciotti, Giorgio Rizzo, Maurizio Buscarini, Cristina Falavolti
OBJECTIVE: To numerous endoscopic techniques have been described for the treatment of benign prostate enlargement (BPE). The plasma-button enucleation of the prostate (B-TUEP) is a successful treatment option because the large surface creates a fast enucleation process, vaporization and concomitant haemostasis. The aim of this study was to evaluate the efficacy of bipolar button electrode transurethral adenoma enucleation (B-TUEP) in saline solution. The second endpoint was to determine the change of IPSS, PVR, IEFF-5, TrUS and PSA...
May 30, 2017: Urology
https://www.readbyqxmd.com/read/28575398/carbon-dioxide-insuf%C3%AF-ation-and-thoracoscopic-ultrasonography-image-of-pure-ground-glass-nodule
#16
Hirofumi Uehara, Atsushi Yasuda, Hiroshi Kondo, Masafumi Kawamura
Thoracic surgeons frequently encounter early lung cancer showing a pure ground-glass nodule. Although thoracoscopic wedge resection is used extensively, it cannot be easily located for surgical procedures. Thoracoscopic ultrasonography is a real-time and less invasive technique for small lung lesion localization during thoracoscopic surgery. However, this technique has not been widely adopted because residual air in the lung results in poor ultrasound images. A 64-year-old woman was found to have pure ground-glass nodule...
May 29, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28564643/prevent-pancreatic-fistula-after-pancreatoduodenectomy-possible-role-of-ultrasound-elastography
#17
Mirko D'Onofrio, Giulia Tremolada, Riccardo De Robertis, Stefano Crosara, Valentina Ciaravino, Nicolò Cardobi, Giovanni Marchegiani, Alessandra Pulvirenti, Valentina Allegrini, Roberto Salvia, Claudio Bassi, Roberto Pozzi Mucelli
BACKGROUND: The purpose of the study is to evaluate the utility of acoustic radiation force impulse (ARFI) on pancreatic tissue as a preoperative predictor of postoperative pancreatic fistula (POPF). Studied patients underwent exclusively to pancreaticoduodenectomy (PD) surgery. METHODS: Shear wave velocity of pancreas was measured using ARFI in 71 patients scheduled for PD. An intraoperative pancreas palpation was made by surgeons. A postoperative clinical evaluation to detect occurrence of POPF was performed...
June 1, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28560886/ultrasound-guided-thrombin-injection-is-a-safe-and-effective-treatment-for-femoral-artery-pseudoaneurysm-in-the-morbidly-obese
#18
Taehwan Yoo, Jean E Starr, Michael R Go, Patrick S Vaccaro, Bhagwan Satiani, Mounir J Haurani
INTRODUCTION: Ultrasound-guided thrombin injection (UGTI) is a well-established practice for the treatment of femoral artery pseudoaneurysm. This procedure is highly successful but dependent on appropriate pseudoaneurysm anatomy and adequate ultrasound visualization. Morbid obesity can present a significant technical challenge due to increased groin adiposity, resulting in poor visualization of critical structures needed to safely perform the procedure. We aim to evaluate the safety and efficacy of UGTI to treat femoral artery pseudoaneurysm in the morbidly obese...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28560738/evaluation-of-ultrasound-reporting-for-thyroid-cancer-diagnosis-and-surveillance
#19
Meghan E Rowe, Marcela Osorio, Ilya Likhterov, Mark L Urken
BACKGROUND: Despite the importance of ultrasound imaging in thyroid disease care, ultrasound reports vary greatly in the features described. It is essential that ultrasound reports contain and present all components necessary for a clinical decision in a reader-friendly format. METHODS: One hundred ninety thyroid and neck ultrasound reports were scored using the universal ultrasound report template developed by Su et al, along with the American Thyroid Association (ATA) and the American Association of Clinical Endocrinologists/Associazione Medici Endocrinologi/European Thyroid Association (AACE/AME/ETA) guidelines...
May 31, 2017: Head & Neck
https://www.readbyqxmd.com/read/28560568/outcome-of-carotid-artery-stenting-in-the-hands-of-vascular-surgeons
#20
Carola Marie Wieker, S Demirel, N Attigah, M Hakimi, U Hinz, D Böckler
OBJECTIVES: To analyze the procedural and clinical outcomes of carotid artery stenting (CAS) in the hands of endovascular trained vascular surgeons. METHODS: Between April 2008 to May 2013, 1197 patients were treated for extracranial internal carotid artery (ICA) stenosis. The proportion of endovascular treated patients was 5.0% (CAS n = 60 vs. carotid endarterectomy (CEA) n = 1137). All patients in the CAS group (44 males, median age 70 years) were treated by two senior vascular surgeons experienced in endovascular methods...
May 30, 2017: Langenbeck's Archives of Surgery
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