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US-guided Surgery

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https://www.readbyqxmd.com/read/28442139/intraoperative-ultrasound-assisted-approach-for-endoscopic-treatment-of-vesicoureteral-reflux-in-children
#1
Elisa Zambaiti, Maria Sergio, Alessandra Casuccio, Sergio Salerno, Marcello Cimador
PURPOSE: Despite minimal invasiveness and high success rate, guidelines still prescribe voiding Cystourethrogram (VCUG) after endoscopic treatment for vesicoureteral reflux (VUR) in children. The aim of this paper was to analyze whether intraoperative ultrasound (IO-US) could improve surgical accuracy and perioperative counseling, thus potentially decreasing the need for postoperative VCUG. METHODS: We selected children treated for moderate to high grade VUR, renal scarring or repeated infections under antibiotic prophylaxis from January to December 2015...
April 18, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28436857/real-time-triple-modal-photoacoustic-ultrasound-and-magnetic-resonance-fusion-imaging-of-humans
#2
Sara Park, Jongseong Jang, Jeesu Kim, Young Soo Kim, Chulhong Kim
Imaging that fuses multiple modes has become a useful tool for diagnosis and therapeutic monitoring. As a next step, real-time fusion imaging has attracted interest as for a tool to guide surgery. One widespread fusion imaging technique in surgery combines real-time ultrasound (US) imaging and preacquired magnetic resonance (MR) imaging. However, US imaging visualizes only structural information with relatively low contrast. Here, we present a photoacoustic (PA), US, and MR fusion imaging system which integrates a clinical PA and US imaging system with an optical tracking-based navigation subsystem...
April 24, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28429161/on-the-in-vivo-function-of-the-mitral-heart-valve-leaflet-insights-into-tissue-interstitial-cell-biomechanical-coupling
#3
Chung-Hao Lee, Will Zhang, Kristen Feaver, Robert C Gorman, Joseph H Gorman, Michael S Sacks
There continues to be a critical need for developing data-informed computational modeling techniques that enable systematic evaluations of mitral valve (MV) function. This is important for a better understanding of MV organ-level biomechanical performance, in vivo functional tissue stresses, and the biosynthetic responses of MV interstitial cells (MVICs) in the normal, pathophysiological, and surgically repaired states. In the present study, we utilized extant ovine MV population-averaged 3D fiducial marker data to quantify the MV anterior leaflet (MVAL) deformations in various kinematic states...
April 20, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28419712/comparison-of-safety-and-efficacy-of-image-guided-enema-reduction-techniques-for-paediatric-intussusception-a-review-of-the-literature
#4
Renny Chew, Michael Ditchfield, Eldho Paul, Stacy K Goergen
INTRODUCTION: There is variable international practice regarding the technique used for image-guided enema reduction in paediatric intussusception. A recent meta-analysis found pneumatic reduction to be more effective than hydrostatic techniques. Clinical practice variation may impact on perforation rates, ionizing radiation exposure and requirement for surgery. The aim of this study was to review the literature regarding the efficacy and safety of fluoroscopically guided pneumatic reduction (FGPR) compared to ultrasound (US) guided intussusception reduction (USGIR) techniques for paediatric intussusception treatment...
April 17, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28391985/-the-management-of-bone-metastasis
#5
REVIEW
Rémi Bonetto, Agnès Tallet, Anthony Mélot, Benoît Calderon, Fabrice Barlesi
Bone metastasis are the most common cause of pain related to cancer, reducing patients' quality of life, and sometimes threatening their life-expectancy. Their management has to be pluridisciplinary, because of all the therapeutic options and the diversity of bone metastasis locations. The aim of this work is to propose a rational decisional algorithm for the treatment strategy of these secondary locations. Anti-resorbtive drugs with systemic action, surgery, conventional or stereotactic radiation therapy, and new techniques of interventional radiology are options that could be used separately or combined...
April 6, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28360525/the-importance-of-a-multidisciplinary-approach-to-hepatocellular-carcinoma
#6
REVIEW
Osama Siddique, Eric R Yoo, Ryan B Perumpail, Brandon J Perumpail, Andy Liu, George Cholankeril, Aijaz Ahmed
Hepatocellular carcinoma (HCC) is the third leading cause of cancer-related deaths worldwide. The rising incidence, genetic heterogeneity, multiple etiologies, and concurrent chronic liver diseases make diagnosis, staging, and selection of treatment options challenging in patients with HCC. The best approach to optimize the management of HCC is one that utilizes a core multidisciplinary liver tumor board, consisting of hepatologists, pathologists, interventional radiologists, oncologists, hepatobiliary and transplant surgeons, nurses, and general practitioners...
2017: Journal of Multidisciplinary Healthcare
https://www.readbyqxmd.com/read/28342776/effect-of-needle-size-in-ultrasound-guided-core-needle-breast-biopsy-comparison-of-14-16-and-18-gauge-needles
#7
Michela Giuliani, Pierluigi Rinaldi, Rossella Rella, Gina Fabrizi, Federica Petta, Giorgio Carlino, Alba Di Leone, Antonino Mulè, Enida Bufi, Maurizio Romani, Paolo Belli, Lorenzo Bonomo
INTRODUCTION: The aim of the present study was to assess the diagnostic accuracy of ultrasound-guided core needle biopsy (US-CNB) of breast lesions, comparing smaller needles (16- and 18-gauge) with the 14-gauge needle, and to analyze the lesion characteristics influencing US-CNB diagnostic performance. PATIENTS AND METHODS: All the patients provided informed consent before the biopsy procedure. The data from breast lesions that had undergone US-CNB in our institution from January 2011 to January 2015 were retrospectively reviewed...
March 6, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28329454/adult-congenital-cardiac-care
#8
Brian E Kogon, Kati Miller, Paula Miller, Bahaaldin Alsoufi, Joshua M Rosenblum
BACKGROUND: The Adult Congenital Heart Association (ACHA) is dedicated to supporting patients with congenital heart disease. To guide patients to qualified providers and programs, it maintains a publicly accessible directory of dedicated adult congenital cardiac programs. We analyzed the directory in 2006 and 2015, aiming to evaluate the growth of the directory as a whole and to evaluate the growth of individual programs within the directory. We also hope this raises awareness of the growing opportunities that exist in adult congenital cardiology and cardiac surgery...
March 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28326900/ultrasound-pathology-discordant-nodules-on-core-needle-biopsy-malignancy-risk-and-management-strategy
#9
Sae Rom Chung, Jung Hwan Baek, Hye Sun Park, Young Jun Choi, Tae-Yon Sung, Dong Eun Song, Tae Yong Kim, Jeong Hyun Lee
BACKGROUND: The reported malignancy rates of thyroid nodules that appear suspicious on ultrasound (US) but yield benign fine-needle aspiration (FNA) cytology results range from 13.6% to 56.6%. However, the malignancy risk of nodules that are discordant on US and core-needle biopsy (CNB) pathological findings has not been evaluated. This study evaluated the malignancy risk associated with thyroid nodules that are suspicious on US but yield benign CNB results. METHODS: Between July 2008 and November 2011, 1309 patients with 1313 thyroid nodules underwent US-guided CNB...
March 22, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28321829/prosthetic-joint-infections-and-cost-analysis
#10
F S Haddad, A Ngu, J J Negus
Prosthetic joint infection is a devastating complication of arthroplasty surgery that can lead to debilitating morbidity for the patient and significant expense for the healthcare system. With the continual rise of arthroplasty cases worldwide every year, the revision load for infection is becoming a greater financial burden on healthcare budgets. Prevention of infection has to be the key to reducing this burden. For treatment, it is critical for us to collect quality data that can guide future management strategies to minimise healthcare costs and morbidity / mortality for patients...
March 21, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28317802/port-site-infections-by-nontuberculous-mycobacterium-a-retrospective-clinico-microbiological-study
#11
Roumi Ghosh, Soumen Das, Asmita De, Harish Kela, Makhan Lal Saha, Prasanta Kumar Maiti
BACKGROUND: Port-site infection (PSI) is a prevailing, chronic, nagging, treatment refractory complication of laparoscopic surgery (LS). It neutralizes the advantages of minimally invasive surgery and increases morbidity, treatment cost of patient, leading to loss of confidence on operating surgeon. PSIs are preventable with appropriate preoperative, intraoperative, and postoperative measures. Atypical mycobacterium is most commonly associated with nonhealing postlaparoscopic wound infections, causing outbreaks or sporadic cases worldwide...
January 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28315184/epiphyseal-arterial-network-and-inferior-retinacular-artery-seem-critical-to-femoral-head-perfusion-in-adults-with-femoral-neck-fractures
#12
Dewei Zhao, Xing Qiu, Benjie Wang, Zihua Wang, Wei Wang, Jun Ouyang, Rona M Silva, Xiaotian Shi, Kai Kang, Dachuan Xu, Chuang Li, Shizhen Zhong, Yu Zhang, Kent E Pinkerton
BACKGROUND: A better understanding of the blood supply of the femoral head is essential to guide therapeutic strategies for patients with femoral neck fractures. However, because of the limitations of conventional techniques, the precise distribution and characteristics of intraosseous arteries of the femoral head are not well displayed. QUESTIONS/PURPOSES: To explore the characteristics and interconnections of the intraosseous vessel system between different areas of the femoral head and the possible blood supply compensatory mechanism after femoral neck fracture...
March 17, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28294207/selecting-the-appropriate-digital-planning-pathway-%C3%A2-for-computer-guided-implant-surgery
#13
Alejandro Lanis, Pablo Llorens, Orlando Álvarez Del Canto
The incorporation of virtual engineering into our profession and the digitalization of information are allowing us new perspectives and innovative alternatives for dental treatment modalities. The use of computer-guided implant-planning software allows the radiographic, prosthetic, surgical, and laboratory fields to be combined under a common virtual scenario, permitting complete virtual treatment planning. Different alternatives for the digital workflow have been described for computer-guided implant placement...
2017: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/28292619/obesity-and-female-infertility-potential-mediators-of-obesity-s-impact
#14
REVIEW
Darcy E Broughton, Kelle H Moley
The worldwide upward trend in obesity has been dramatic, now affecting more than 20% of American women of reproductive age. Obesity is associated with many adverse maternal and fetal effects prenatally, but it also exerts a negative influence on female fertility. Obese women are more likely to have ovulatory dysfunction due to dysregulation of the hypothalamic-pituitary-ovarian axis. Women with polycystic ovarian syndrome who are also obese demonstrate a more severe metabolic and reproductive phenotype. Obese women have reduced fecundity even when eumenorrheic and demonstrate poorer outcomes with the use of in vitro fertilization...
April 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28269187/multi-scale-ransac-algorithm-for-needle-localization-in-3d-ultrasound-guided-puncture-surgery
#15
Jing Jin, Ruixue Shen, Yue Zhao, Yang Xiao, Dandan Li, Yi Shen
Correct localization of the needle is of vital importance to guarantee successful puncture. The complexity of real US data increases the difficulties. A multi-scale random sample consensus (MS-RANSAC) algorithm is proposed in this paper to locate the needle in complicated 3D US data. The algorithm uses the radius difference between needle and other tubular human tissues to extract the correct needle location. The performance of classic RANSAC and MS-RANSAC are compared using three different datasets. Results show that MS-RANSAC can locate needle correctly in complicated condition where classic RANSAC cannot...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28240175/clinical-considerations-of-focal-drug-delivery-in-cancer-treatment
#16
Jamie Harris, Bill Chiu
According to the US Center for Disease Control, cancer deaths are the second most common cause of mortality in both adults and children. Definitive treatment of solid tumors involves surgical resection with or without systemic chemotherapy and radiation. The advent of local drug delivery presents a unique treatment modality that can offer substantial benefits in cancer management. Local drug delivery offers targeted drug delivery to cancer tissues while minimizing side effects of the medications. Three main phases in solid tumor management exist for the treating physician: initial diagnosis with tissue biopsy, surgical resection with or without chemotherapy, and management of metastatic disease...
February 24, 2017: Current Drug Delivery
https://www.readbyqxmd.com/read/28227417/multi-scale-ransac-algorithm-for-needle-localization-in-3d-ultrasound-guided-puncture-surgery
#17
Jing Jin, Ruixue Shen, Yue Zhao, Yang Xiao, Dandan Li, Yi Shen, Jing Jin, Ruixue Shen, Yue Zhao, Yang Xiao, Dandan Li, Yi Shen, Yi Shen, Dandan Li, Jing Jin, Ruixue Shen, Yue Zhao, Yang Xiao
Correct localization of the needle is of vital importance to guarantee successful puncture. The complexity of real US data increases the difficulties. A multi-scale random sample consensus (MS-RANSAC) algorithm is proposed in this paper to locate the needle in complicated 3D US data. The algorithm uses the radius difference between needle and other tubular human tissues to extract the correct needle location. The performance of classic RANSAC and MS-RANSAC are compared using three different datasets. Results show that MS-RANSAC can locate needle correctly in complicated condition where classic RANSAC cannot...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28217964/is-fine-needle-aspiration-really-not-necessary-in-patients-with-thyroid-nodules%C3%A2-%C3%A2-%C3%A2-1-cm-with-highly-suspicious-features-on-ultrasonography-and-candidates-for-active-surveillance
#18
Pedro Weslley Rosario, Alexandre Lemos Silva, Maria Regina Calsolari
BACKGROUND: The low rate of progression associated with the potential complications of thyroidectomy makes active surveillance an increasingly recommended management in low-risk papillary microcarcinomas of the thyroid (PMT). The objective of this study was to report the results of fine needle aspiration (FNA) of nodules ≤ 1 cm with highly suspicious appearance on ultrasonography (US) in patients who are potential candidates for active surveillance. METHODS: We revised thyroid nodules ≤ 1 cm with highly suspicious appearance on US in patients without known distant metastases, suspicion of extrathyroid extension, or suspicious lymph nodes on US...
April 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28211807/two-dimensional-shear-wave-elastography-of-breast-lesions-comparison-of-two-different-systems
#19
Wei-Wei Ren, Xiao-Long Li, Ya-Ping He, Dan-Dan Li, Dan Wang, Chong-Ke Zhao, Xiao-Wan Bo, Bo-Ji Liu, Wen-Wen Yue, Hui-Xiong Xu
OBJECTIVE: To evaluate the diagnostic performance of two different shear wave elastography (SWE) techniques in distinguishing malignant breast lesions from benign ones. MATERIALS AND METHODS: From March 2016 to May 2016, a total of 153 breast lesions (mean diameter, 16.8 mm±10.5; range 4.1-90.0 mm) in 153 patients (mean age, 46.4 years±15.1; age range 20-86 years) were separately performed by two different SWE techniques (i.e. T-SWE, Aplio500, Toshiba Medical System, Tochigi, Japan; and S-SWE, the Aixplorer US system, SuperSonic Imagine, Provence, France)...
February 17, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28196182/what-surgeons-need-to-know-about-gender-confirmation-surgery-when-providing-care-for-transgender-individuals-a-review
#20
Jens U Berli, Gail Knudson, Lin Fraser, Vin Tangpricha, Randi Ettner, Frederic M Ettner, Joshua D Safer, Julie Graham, Stan Monstrey, Loren Schechter
Importance: In 2014, the US Department of Health and Human Services decided that its 1981 exclusion of transsexual surgical treatments from Medicare coverage was based on outdated, incomplete, and biased science and did not reflect current evidence or standards of care, and the exclusion was therefore lifted. As a direct result of this decision, surgeons nationwide are seeing an increase in consultations for surgical therapy to help transgender and gender-nonconforming individuals. Although some clinicians may have the technical training for such surgical procedures, in many cases, they may not have a full understanding of the complex and comprehensive care required to provide optimal health care for transgender individuals...
April 1, 2017: JAMA Surgery
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