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https://www.readbyqxmd.com/read/28227997/an-autoclavable-wireless-palpation-instrument-for-minimally-invasive-surgery
#1
Anish S Naidu, Abelardo Escoto, Omar Fahmy, Rajni V Patel, Michael D Naish, Anish S Naidu, Abelardo Escoto, Omar Fahmy, Rajni V Patel, Michael D Naish, Abelardo Escoto, Omar Fahmy, Michael D Naish, Anish S Naidu, Rajni V Patel
Minimally invasive surgery prevents surgeons from manually palpating organs to locate subsurface tumors and other structures. One solution is to use ultrasound; however, it is not always reliable. Various minimally invasive surgery instruments that provide tactile feedback have been proposed to augment ultrasound sensing for tumor localization; however, current designs have limitations such as cumbersome wiring, difficulty in manipulation, lack of sterilizability and high cost. This paper presents a novel, autoclavable, wireless, hand-held palpation instrument that uses a custom, low-cost, disposable tactile sensor to provide tactile and kinesthetic force feedback...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224198/intraoperative-pth-may-not-be-necessary-in-the-management-of-primary-hyperparathyroidism-even-with-only-one-positive-or-only-indeterminate-preoperative-localization-studies
#2
Alireza Najafian, Stacie Kahan, Matthew T Olson, Ralph P Tufano, Martha A Zeiger
BACKGROUND: Intraoperative PTH (IOPTH) monitoring has been widely used to confirm the removal of the culprit lesion during operation. However, the true benefit of IOPTH in patients with preoperatively well-localized single adenoma has been questioned. The aim of this study was to examine how or if IOPTH changes the surgical management and outcomes in patients with only one positive or only indeterminate localization studies. METHODS: This is a retrospective review of data from a parathyroid surgery database and patient records from July 2004 to June 2014, including patients with primary hyperparathyroidism with a planned MIP by two experienced endocrine surgeons after ≥1 positive/indeterminate preoperative localization study by ultrasound and/or sestamibi...
February 21, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28220589/pcnl-access-by-urologist-or-interventional-radiologist-practice-and-outcomes-in-the-united-kingdom
#3
James N Armitage, John Withington, Sarah Fowler, William Jg Finch, Neil A Burgess, Stuart O Irving, Jonathan Glass, Oliver J Wiseman
INTRODUCTION AND OBJECTIVE: Obtaining percutaneous access to the renal collecting system is fundamental to safe and effective percutaneous nephrolithotomy (PCNL). Practice varies between countries, hospitals and individual surgeons as to whether access is obtained by a urologist or an interventional radiologist (IR). We compared outcomes of urologist versus IR tracts in the contemporary UK setting. PATIENTS AND METHODS: Data submitted to the British Association of Urological Surgeons (BAUS) PCNL data registry between 2009 and 2015 were analysed according to whether access was obtained by a urologist or an IR...
February 20, 2017: BJU International
https://www.readbyqxmd.com/read/28215183/yolk-sac-tumor-in-the-abdominal-wall-of-an-18-month-old-girl-a-case-report
#4
Machiel van den Akker, Dirk Vervloessem, An Huybrechs, Sabine Declercq, Jutte van der Werff Ten Bosch
BACKGROUND: Pediatric germ cell tumors account for approximately 3.5 % of all childhood cancers for children under the age of 15 years. Up to one-third are extragonadal neoplasms. Germ cell tumors are a heterogeneous group of malignant tumors with a wide variety of histopathological features. Yolk sac tumor is the predominant variant in newborns and younger children. We report for the first time, the presentation of a primary yolk sac tumor in the abdominal wall of a small child. CASE PRESENTATION: An 18-month-old white girl underwent resection of a small, round subcutaneous lump (1...
February 20, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28214487/radiofrequency-ablation-with-concomitant-stab-phlebectomy-increases-risk-of-endovenous-heat-induced-thrombosis
#5
Caitlin W Hicks, Sandra R DiBrito, J Trent Magruder, M Libby Weaver, Cathy Barenski, Jennifer A Heller
OBJECTIVE: Endovenous heat-induced thrombosis (EHIT) is a well-documented phenomenon that follows endovenous ablation, but the treatment, surveillance, and risk factors for EHIT have yet to be comprehensively elucidated. We sought to identify characteristics that may put patients at higher risk for development of EHIT after radiofrequency ablation (RFA) for the treatment of symptomatic superficial venous insufficiency. METHODS: A retrospective review was performed of all consecutive patients undergoing treatment with RFA to the great saphenous vein by a single surgeon from July 2013 through October 2015...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28205034/laparoscopic-surgery-for-pancreatic-neoplasms-the-european-association-for-endoscopic-surgery-clinical-consensus-conference
#6
Bjørn Edwin, Mushegh A Sahakyan, Mohammad Abu Hilal, Marc G Besselink, Marco Braga, Jean-Michel Fabre, Laureano Fernández-Cruz, Brice Gayet, Song Cheol Kim, Igor E Khatkov
BACKGROUND: Introduced more than 20 years ago, laparoscopic pancreatic surgery (LAPS) has not reached a uniform acceptance among HPB surgeons. As a result, there is no consensus regarding its use in patients with pancreatic neoplasms. This study, organized by the European Association for Endoscopic Surgery (EAES), aimed to develop consensus statements and clinical recommendations on the application of LAPS in these patients. METHODS: An international panel of experts was selected based on their clinical and scientific expertise in laparoscopic and open pancreatic surgery...
February 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28152542/comparison-of-two-protocols-for-the-management-of-asymptomatic-postmenopausal-women-with-adnexal-tumours-a-randomised-controlled-trial-of-rmi-rcog-vs-simple-rules
#7
Natalie Nunes, Gareth Ambler, Xulin Foo, Joel Naftalin, Grigoris Derdelis, Martin Widschwendter, Davor Jurkovic
BACKGROUND: Adnexal tumours are frequently diagnosed in asymptomatic postmenopausal women due to more liberal use of modern high-resolution imaging. This study's objective was to determine if there would be a difference in the intervention rates when using the Simple Rules Management Protocol (SRMP) as compared to the Risk of Malignancy Index in the Royal College of Obstetricians and Gynaecologists guideline (RMI/RCOG). METHODS: This was a prospective randomised controlled trial with the participants and the researchers non-blinded, and the surgeons and pathologists blinded...
February 2, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28149139/can-we-perform-distal-nerve-block-instead-of-brachial-plexus-nerve-block-under-ultrasound-guidance-for-hand-surgery
#8
Ilker Ince, Mehmet Aksoy, Mine Celik
OBJECTIVE: Distal nerve blocks are used in the event of unsuccessful blocks as rescue techniques. The primary purpose of this study was to determine the sufficiency for anesthesia of distal nerve block without the need for deep sedation or general anesthesia. The secondary purpose was to compare block performance times, block onset times, and patient and surgeon satisfaction. MATERIALS AND METHODS: Patients who underwent hand surgery associated with the innervation area of the radial and median nerves were included in the study...
October 2016: Eurasian Journal of Medicine
https://www.readbyqxmd.com/read/28131105/computed-tomography-guided-methylene-blue-labeling-prior-to-thoracoscopic-resection-of-small-deeply-placed-pulmonary-nodules-do-we-really-need-palpation
#9
Gokturk Findik, S Mustafa Demiröz, Selma Mine Kara Apaydın, Hakan Ertürk, Suzan Biri, Funda Incekara, Koray Aydogdu, Sadi Kaya
Background Video-assisted thoracic surgery (VATS) is widely used for thoracic surgery operations, and day by day it becomes routine for the excision of undetermined pulmonary nodules. However, it is sometimes hard to reach millimetric nodules through a VATS incision. Therefore, some additional techniques were developed to reach such nodules little in size and which are settled on a challenging localization. In the literature, coils, hook wires, methylene blue, lipidol, and barium staining, and also ultrasound guidance were described for this aim...
January 28, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28129762/performance-of-a-subsidised-mammographic-screening-programme-in-malaysia-a-middle-income-asian-country
#10
Marianne Lee, Shivaani Mariapun, Nadia Rajaram, Soo-Hwang Teo, Cheng-Har Yip
BACKGROUND: The incidence of breast cancer in Asia is increasing because of urbanization and lifestyle changes. In the developing countries in Asia, women present at late stages, and mortality is high. Mammographic screening is the only evidence-based screening modality that reduces breast cancer mortality. To date, only opportunistic screening is offered in the majority of Asian countries because of the lack of justification and funding. Nevertheless, there have been few reports on the effectiveness of such programmes...
January 28, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28118551/the-utility-of-in-office-ultrasound-in-the-diagnosis-of-parotid-lesions
#11
Yarah M Haidar, Omid Moshtaghi, Amin Mahmoodi, Mohammad Helmy, Julie A Goddard, William B Armstrong
Objective To determine whether the use of in-office ultrasound (US) by a head and neck surgeon is a useful adjunct to clinical assessment of parotid lesions and decrease the need of additional imaging, such as magnetic resonance imaging (MRI) or computed tomography (CT). Study Design Case series with chart review. Setting Tertiary care academic center. Subjects Seventy patients presenting with a parotid lesion who obtained an in-office US and ultrasound-guided fine-needle aspiration (USGFNA) from a head and neck surgeon from 2006 to 2015...
January 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28115866/serratus-anterior-plane-block-for-hybrid-transthoracic-esophagectomy-a-pilot-study
#12
Cinzia Barbera, Pamela Milito, Michele Punturieri, Emanuele Asti, Luigi Bonavina
BACKGROUND: Pain is a major limiting factor in patient's recovery from major thoracic surgical procedures. Thoracic epidural analgesia (TEA), the current gold standard of perioperative management, has contraindications, can technically fail, and carries a risk of complications such as epidural abscess and spinal hematoma. The ultrasound-guided serratus anterior plane (SAP) block is a promising regional analgesia technique. OBJECTIVES: Since the anatomic space involved in the SAP block corresponds to the area exposed by the surgeon during right posterolateral thoracotomy, we investigated the feasibility of a "surgically guided" continuous SAP block as an alternative to TEA in selected esophagectomy patients...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28108239/preoperative-ultrasonography-for-evaluation-of-clinically-n0-neck-in-oral-cavity-carcinoma
#13
Angel Rollon-Mayordomo, Teresa Creo-Martinez, Yolanda Marin-Lapeira, Juan-Andres Rodriguez-Ruiz, Pedro Infante-Cossio
The aim of this study was to evaluate preoperative ultrasound criteria to detect lymph node (LN) cervical metastasis in patients with clinically node-negative neck (cN0) oral cavity squamous cell carcinoma (OCSCC). A prospective, single-center, observational study was conducted in 90 patients undergoing cancer excision with or without elective neck dissection (END) between 2005 and 2012. A surgeon and an experienced radiologist performed preoperative cervical ultrasonography in all cases. The primary objective was to obtain an a priori sensitivity of 90% and specificity >50% in cN0 OCSCC staging...
December 21, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28089807/ultrasonography-detects-ulnar-nerve-dislocation-despite-normal-electrophysiology-and-magnetic-resonance-imaging
#14
Jared M Pisapia, Zarina S Ali, Eric D Hudgins, Viviane Khoury, Gregory G Heuer, Eric L Zager
BACKGROUND: Dislocation of the ulnar nerve (UN) occurs in a subset of patients with ulnar neuropathy. Electrodiagnostic and magnetic resonance imaging (MRI) studies are performed to support the clinical diagnosis. We report the case of a patient with ulnar neuropathy with normal electrodiagnostic and MRI studies but with ultrasonography (US) showing UN dislocation, which prompted successful treatment by UN submuscular transposition. CASE DESCRIPTION: A healthy 15-year-old female softball player presented with right medial elbow pain and paresthesias of the fourth and fifth digits...
January 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28076593/brachial-insertion-of-fully-implantable-venous-catheters-for-chemotherapy-complications-and-quality-of-life-assessment-in-35-patients
#15
Igor Yoshio Imagawa Fonseca, Mariana Krutman, Kenji Nishinari, Guilherme Yazbek, Marcelo Passos Teivelis, Guilherme André Zottele Bomfim, Rafael Noronha Cavalcante, Nelson Wolosker
Objective: To prospectively evaluate the perioperative safety, early complications and satisfaction of patients who underwent the implantation of central catheters peripherally inserted via basilic vein. Methods: Thirty-five consecutive patients with active oncologic disease requiring chemotherapy were prospectively followed up after undergoing peripheral implantation of indwelling venous catheters, between November 2013 and June 2014. The procedures were performed in the operating room by the same team of three vascular surgeons...
October 2016: Einstein
https://www.readbyqxmd.com/read/28073200/the-role-of-intraoperative-ultrasound-in-small-renal-mass-robotic-enucleation
#16
Roberta Gunelli, Massimo Fiori, Cristiano Salaris, Umberto Salomone, Marco Urbinati, Alexia Vici, Teo Zenico, Mauro Bertocco
INTRODUCTION: As a result of the growing evidence on tumor radical resection in literature, simple enucleation has become one of the best techniques associated to robotic surgery in the treatment of renal neoplasia, as it guarantees minimal invasiveness and the maximum sparing of renal tissue, facilitating the use of reduced or zero ischemia techniques during resection. The use of a robotic ultrasound probe represents a useful tool to detect and define tumor location, especially in poorly exophytic small renal mass...
December 30, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28053701/primary-thyroid-lymphoma-a-case-report-and-review-of-the-literature
#17
Rita Peixoto, João Correia Pinto, Virgínia Soares, Pedro Koch, António Taveira Gomes
INTRODUCTION: A rapidly enlarging mass of the anterior compartment of the neck with compressive symptoms may represent, among other diagnosis, a neoplasm of the thyroid gland. PRESENTATION OF CASE: We describe the case of a 59-year-old woman referred to the endocrine surgical unit because of compressive cervical symptoms for 3 months. The cervical ultrasound revealed a sub-sternal goiter with heterogeneous echo structure and the fine-needle aspirating cytology was inconclusive...
January 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28025728/semiautomatic-classification-of-acetabular-shape-from-three-dimensional-ultrasound-for-diagnosis-of-infant-hip-dysplasia-using-geometric-features
#18
Abhilash Rakkunedeth Hareendranathan, Dornoosh Zonoobi, Myles Mabee, Chad Diederichs, Kumaradevan Punithakumar, Michelle Noga, Jacob L Jaremko
PURPOSE: Developmental dysplasia of the hip (DDH) is a congenital deformity which in severe cases leads to hip dislocation and in milder cases to premature osteoarthritis. Image-aided diagnosis of DDH is partly based on Graf classification which quantifies the acetabular shape seen at two-dimensional ultrasound (2DUS), which leads to high inter-scan variance. 3D ultrasound (3DUS) is a promising alternative for more reliable DDH diagnosis. However, manual quantification of acetabular shape from 3DUS is cumbersome...
December 26, 2016: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28024969/ultrasound-guidance-reduces-percutaneous-nephrolithotomy-cost-compared-to-fluoroscopy
#19
Matthew Hudnall, Manint Usawachintachit, Ian Metzler, David T Tzou, Brittany Harrison, Errol Lobo, Thomas Chi
OBJECTIVE: To examine the cost factors associated with ultrasound and fluoroscopic guidance for percutaneous nephrolithotomy (PCNL) and to determine which method can be performed at a lower cost per case. METHODS: A cost comparison study was performed utilizing clinical data from a prospectively maintained research database. We included the most recent 33 consecutive ultrasound-guided PCNL cases in 2016 and the most recent 40 consecutive fluoroscopy-guided PCNL cases before the operative surgeon transitioned to ultrasound guidance in May 2014...
December 23, 2016: Urology
https://www.readbyqxmd.com/read/28011261/common-femoral-artery-access-on-youtube-what-practices-are-being-shown-and-who-is-delivering-the-message
#20
Grayson S Pitcher, Daniel H Newton, Michael F Amendola
OBJECTIVES: Novice learners are increasingly turning to YouTube as a learning resource for surgical procedures. One example of such a procedure is common femoral artery puncture and sheath placement. Practitioners in several specialties perform this procedure to access the arterial system for angiography and intervention. We set forth to compare the techniques demonstrated on YouTube by the various specialists, as well as compare each specialty׳s prevalence on this website. METHODS: YouTube (www...
December 20, 2016: Journal of Surgical Education
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