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Ultrasound review

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https://read.qxmd.com/read/30771104/is-contrast-enhanced-ultrasound-ceus-superior-to-computed-tomography-angiography-cta-in-detection-of-endoleaks-in-post-evar-patients-a-systematic-review-and-meta-analysis
#1
Amer Harky, Ewa Zywicka, Giovanni Santoro, Lucas Jullian, Mihika Joshi, Sameh Dimitri
OBJECTIVE: The purpose of this systematic review and meta-analysis was to assess the sensitivity and specificity of contrast-enhanced ultrasound (CEUS) compared to computed tomography angiography (CTA) for the detection of endoleaks within endovascular aortic aneurysm repair (EVAR) surveillance at time of follow up. METHODS: A comprehensive literature search was undertaken among the four major databases (PubMed, Embase, Scopus and Ovid) to identify all articles assessing diagnostic specificity and accuracy with comparative modality (CEUS vs CTA) for endoleaks in adult patients at time of follow-up following EVAR...
February 15, 2019: Journal of Ultrasound
https://read.qxmd.com/read/30771098/3d-printing-for-heart-valve-disease-a-systematic-review
#2
REVIEW
Volkan Tuncay, Peter M A van Ooijen
BACKGROUND: Current developments showed a fast-increasing implementation and use of three-dimensional (3D) printing in medical applications. Our aim was to review the literature regarding the application of 3D printing to cardiac valve disease. METHODS: A PubMed search for publications in English with the terms "3D printing" AND "cardiac valve", performed in January 2018, resulted in 64 items. After the analysis of the abstract and text, 27 remained related to the topic...
February 15, 2019: European radiology experimental
https://read.qxmd.com/read/30771026/pathology-of-the-carotid-space
#3
REVIEW
Harris U Chengazi, Alok A Bhatt
The complex anatomy of the carotid space within a small confined area is unique to the head and neck and allows for a vast array of pathology. This paper will review the anatomy of the carotid space from the skull base to the thorax, defining its borders at multiple levels, as well as its contents. The paper will also describe the myriad of mass lesions and vascular pathologies that may occur within the carotid space. The discussion will include anatomic considerations in differential diagnoses, imaging features, and lesion characteristics across multiple imaging modalities including CT, MRI, ultrasound, and conventional angiography...
February 15, 2019: Insights Into Imaging
https://read.qxmd.com/read/30770538/assisted-reproductive-technologies-for-endangered-species-conservation-developing-sophisticated-protocols-with-limited-access-to-animals-with-unique-reproductive-mechanisms
#4
Jason R Herrick
Assisted reproductive technologies (ARTs) have been proposed as a means of overcoming the significant challenges of managing small, isolated populations of endangered species in zoos. However, efficient protocols for ARTs do not exist for most endangered species. This review will focus on research efforts to characterize unique reproductive mechanisms and develop species-specific ARTs. Central to these studies are assays to measure steroid metabolites in urine or feces and/or training programs to allow un-restrained blood collections and ultrasound evaluations...
February 16, 2019: Biology of Reproduction
https://read.qxmd.com/read/30770181/the-use-of-subcostal-echocardiographic-views-to-guide-the-insertion-of-a-right-ventricular-temporary-transvenous-pacemaker-description-of-the-technique
#5
REVIEW
Ana Sjaus, Ashraf Fayad
The need for temporary cardiac pacing may occur in emergency and elective situations and may require transvenous right ventricular lead placement. The treatment of bradyarrhythmias presents the most common perioperative emergency indication. Intraoperatively, temporary rapid right ventricular pacing is accepted as a safe, titratable, and highly reliable method to achieve deliberate hypotension, and it has become a routine practice in the anesthetic management of cardiovascular interventions. The navigation of the lead into the right ventricle often requires fluoroscopy to guide placement and to confirm position...
January 16, 2019: Journal of Cardiothoracic and Vascular Anesthesia
https://read.qxmd.com/read/30768557/not-all-dvt-is-created-equal-incidence-of-pre-existing-chronic-dvt-among-high-risk-traumatized-patients
#6
Amy Tefft, Tovah Moss, Andrew Stanley, Ajai K Malhotra
BACKGROUND: Traumatized patients are at risk of developing Deep Vein Thrombosis (DVT) and DVT prophylaxis is the standard of care. The Centers for Medicare and Medicaid Services classifies DVT as a Hospital Acquired Condition and can deny payment for treatment of DVT and, in addition, place financial penalties on hospitals with higher than acceptable rates of DVT, unless the DVT was pre-existing. We sought to determine the rate of pre-existing chronic DVT among symptomatic traumatized inpatients at our ACS-verified Level 1 trauma center...
February 13, 2019: Journal of Trauma and Acute Care Surgery
https://read.qxmd.com/read/30767687/novel-ocular-findings-in-oculodentodigital-dysplasia-oddd-a-case-report-and-literature-review
#7
Zhirong Wang, Limei Sun, Panfeng Wang, Chonglin Chen, Aiyuan Zhang, Weiqing Wang, Xiaoyan Ding
BACKGROUND: Oculodentodigitaldysplasia (ODDD; MIM no. 164200) is a rare hereditary disorder caused by mutations in the gene GJA1.Ocular disorders included microcornea, cornea opacity and glaucoma. However, few studies described fundus findings. MATERIALS AND METHODS: Ophthalmic examination included visual acuity measurement, intraocular pressure (IOP) measurements, slit-lamp biomicroscopy, B-scan ultrasonography, Ultrasound biomicroscopy (UBM), spectral-domain optical coherence tomography (SD-OCT), ERG and retcam fluorescein angiogram...
February 15, 2019: Ophthalmic Genetics
https://read.qxmd.com/read/30767557/systematic-review-of-preoperative-carotid-duplex-ultrasound-compared-with-computed-tomography-carotid-angiography-for-carotid-endarterectomy
#8
T Forjoe, M Asad Rahi
INTRODUCTION: We reviewed the literature for preoperative computed tomography carotid angiography and/or carotid duplex to determine their respective sensitivity and specificity in assessing the degree of carotid stenosis. We aimed to identify whether one imaging modality can accurately identify critical stenosis in patients presenting with transient ischaemic attack or symptoms of a cerebrovascular accident requiring carotid endarterectomy. METHODS: Systematic search of MEDLINE, Embase, Cochrane database of systematic reviews, all Evidence-Based Medicine Reviews (Cochrane Database of Systematic Reviews, ACP Journal club, Database of Abstracts of Reviews of Effects, Cochrane Clinical Answers, Cochrane Controlled Trials Register, Cochrane Methodology Register, Health Technology Assessment and NHS Economic Evaluation Database) for primary studies relating to computed tomography carotid angiography (CTA) and/or carotid duplex ultrasound (CDU)...
February 15, 2019: Annals of the Royal College of Surgeons of England
https://read.qxmd.com/read/30765489/international-radical-trachelectomy-assessment-irta-study
#9
Gloria Salvo, Pedro T Ramirez, Mario Leitao, David Cibula, Christina Fotopoulou, Ali Kucukmetin, Gabriel Rendon, Myriam Perrotta, Reitan Ribeiro, Marcelo Vieira, Glauco Baiocchi, Henrik Falconer, Jan Persson, Xiaohua Wu, Mihai Emil Căpilna, Nicolae Ioanid, Berit Jul Mosgaard, Igor Berlev, Dilyara Kaidarova, Alexander Babatunde Olawaiye, Kaijiang Liu, Silvana Pedra Nobre, Roman Kocian, Srdjan Saso, Stuart Rundle, Florencia Noll, Audrey Tieko Tsunoda, Kolbrun Palsdottir, Xiaoqi Li, Elena Ulrikh, Zhijun Hu, Rene Pareja
BACKGROUND: Radical trachelectomy is considered a viable option for fertility preservation in patients with low-risk, early-stage cervical cancer. Standard approaches include laparotomy or minimally invasive surgery when performing radical trachelectomy. PRIMARY OBJECTIVE: To compare disease-free survival between patients with FIGO (2009) stage IA2 or IB1 (≤2cm) cervical cancer who underwent open versus minimally invasive (laparoscopic or robotic) radical trachelectomy...
February 13, 2019: International Journal of Gynecological Cancer
https://read.qxmd.com/read/30765154/is-gallbladder-length-to-width-ratio-useful-in-diagnosing-biliary-atresia
#10
Panjai Choochuen, Supika Kritsaneepaiboon, Vorawan Charoonratana, Surasak Sangkhathat
BACKGROUND: The accurate assessment of gallbladder shape and wall abnormalities by ultrasound (US) in diagnosing biliary atresia (BA) remains a subjective determination. The objective of this study was to examine the reliability of gallbladder length-to-width ratio (LTWR) by US measurement for diagnosis of BA. METHODS: One hundred infants with conjugated hyperbilirubinemia and unknown cause of jaundice who underwent transabdominal US from February 2009 to February 2017 were enrolled...
January 23, 2019: Journal of Pediatric Surgery
https://read.qxmd.com/read/30764692/differentiation-between-malignant-and-benign-rectal-tumors-by-dual-energy-computed-tomography-a-feasibility-study
#11
Issam Al-Najami, Hussam Mahmoud Sheta, Gunnar Baatrup
INTRODUCTION: To assess the performance of Dual Energy Computed Tomography (DECT) in the differentiation between benign and malignant tumors in the rectum. MATERIAL AND METHODS: We enrolled 8 subjects with rectal tumors suspected to be an early rectal cancer during colonoscopy. All subjects underwent Computed Tomography (CT), Magnetic Resonance Imaging (MRI) and Endorectal Ultrasound (ERUS) for staging. Furthermore, all subjects underwent fast switching of tube voltage between 80 and 140 kVp DECT of the pelvis...
February 15, 2019: Acta Oncologica
https://read.qxmd.com/read/30763154/feline-abdominal-ultrasonography-what-s-normal-what-s-abnormal-the-liver
#12
Sally Griffin
PRACTICAL RELEVANCE: Abdominal ultrasound plays a vital role in the diagnostic work-up of many cats presenting to general and specialist practitioners. Ultrasound examination of the liver can be key in the diagnosis of diseases such as hepatic lipidosis and hepatic neoplasia. CLINICAL CHALLENGES: Despite ultrasonography being a commonly used modality, many practitioners are not comfortable performing an ultrasound examination or interpreting the resulting images...
January 2019: Journal of Feline Medicine and Surgery
https://read.qxmd.com/read/30762916/a-prospective-multicenter-evaluation-of-point-of-care-ultrasound-for-small-bowel-obstruction-in-the-emergency-department
#13
Brent A Becker, Shadi Lahham, Mark A Gonzales, Jason T Nomura, Michelle K Bui, Taylor A Truong, Barbara A Stahlman, John C Fox, Thompson Kehrl
OBJECTIVE: The main objective of this study was to evaluate the accuracy of emergency physician-performed point-of-care ultrasound (POCUS) for the diagnosis of small bowel obstruction (SBO) compared to computed tomography (CT). METHODS: We performed a prospective, multicenter, observational study examining a convenience sample of adult patients with potential SBO presenting to the emergency department (ED) between July 2014 and May 2017. Each emergency physician-performed POCUS was interpreted at the bedside and retrospectively by an expert reviewer...
February 14, 2019: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://read.qxmd.com/read/30762750/characteristics-of-late-onset-spondyloarthritis-in-japan-a-retrospective-cohort-study
#14
Yushiro Endo, Keita Fujikawa, Tomohiro Koga, Akinari Mizokami, Masanobu Mine, Toshiaki Tsukada, Masataka Uetani, Atsushi Kawakami
Spondyloarthritis may be increasingly present in older patients as life expectancy increases. We investigated clinical differences between early-onset and late-onset spondyloarthritis in Japan.We retrospectively reviewed 114 patients consecutively diagnosed with spondyloarthritis. The clinical course of each patient was observed for ≥1 year. We defined early-onset and late-onset spondyloarthritis as <57 or ≥57 years at a median age of this study group, respectively. We compared clinical characteristics between these 2 groups...
February 2019: Medicine (Baltimore)
https://read.qxmd.com/read/30761301/synovial-tissue-sampling-in-rheumatological-practice-past-developments-and-future-perspectives
#15
REVIEW
Frances C Humby
Synovial biopsies are performed in routine clinical care in order to refine diagnosis as well as within a research setting. Progress in the development of minimally invasive synovial sampling methods in the last century has accelerated and facilitated novel insights into disease pathogenesis. This review discusses the development of synovial biopsy techniques as well as examining the three currently most commonly used approaches: arthroscopic, blind needle biopsy and ultrasound guided approaches. It also highlights major research advances driven through synovial research and considers future developments...
2019: Frontiers in Medicine
https://read.qxmd.com/read/30761220/renal-cell-carcinoma-metastases-to-the-pancreas-and-the-thyroid-gland-a-case-report-and-review-of-the-literature
#16
Marco Khiella, Michael A Maximus, Sameh A Fayek
Renal cell carcinoma (RCC) is known for having unpredictable clinical behavior. Metastases can occur in unusual locations with a long-time lag after the treatment of the primary cancer. Despite being a sign of poor prognosis, aggressive metastasectomy may prolong survival. Presented is a case of delayed sequential metastases of RCC to the pancreas and the thyroid gland that occurred eight years after the radical nephrectomy. Both were resected. A history of remote nephrectomy for RCC is important and may be suggestive of metastatic disease...
December 1, 2018: Curēus
https://read.qxmd.com/read/30760429/fontan-associated-liver-disease-evidence-for-early-surveillance-of-liver-health-in-pediatric-fontan-patients
#17
Steven L Rathgeber, Kevin C Harris
The growing awareness of Fontan-associated liver disease (FALD) in adults with Fontan physiology has provided the impetus to better understand the natural history of FALD and develop a reliable noninvasive method to diagnose and monitor liver health in this population. Biochemical and imaging tests have been investigated to determine their association with liver pathology. The congestive hepatopathy that develops after the Fontan procedure has made interpreting these tests challenging. We have reviewed and summarized the current understanding and ongoing challenges with respect noninvasive measures of liver health in Fontan patients including biochemical tests, elastography, hepatic ultrasound, cross-sectional imaging, and hemodynamics and how they relate to liver pathology...
February 2019: Canadian Journal of Cardiology
https://read.qxmd.com/read/30759967/comparison-of-international-guidelines-for-noninvasive-diagnosis-of-hepatocellular-carcinoma-2018-update
#18
Tae-Hyung Kim, So Yeon Kim, An Tang, Jeong Min Lee
The goal of this review is to present the similarities and differences among the latest guidelines for noninvasive diagnosis of hepatocellular carcinoma (HCC) of American Association for the Study of Liver Disease (AASLD), European Association for the Study of the Liver (EASL), Liver Imaging Reporting and Data System (LI-RADS), Asian Pacific Association for the Study of the Liver (APASL), and Korean Liver Cancer Association- National Cancer Center (KLCA-NCC) of Korea. In 2018, major guideline updates have been proposed by the AASLD, EASL and KLCA-NCC; AASLD newly incorporated LI-RADS into their HCC diagnostic algorithm...
February 14, 2019: Clinical and Molecular Hepatology
https://read.qxmd.com/read/30758808/the-pediatric-gastrointestinal-tract-ultrasound-findings-in-acute-diseases
#19
REVIEW
Francesco Esposito, Marco Di Serafino, Carmela Mercogliano, Dolores Ferrara, Norberto Vezzali, Giovanni Di Nardo, Luigi Martemucci, Gianfranco Vallone, Massimo Zeccolini
The study of the gastrointestinal tract by imaging, particularly using ultrasound, is a required instrument for diagnosis of acute and chronic gastrointestinal pathologies in pediatric age. Actually, ultrasound plays an increasing role in the evaluation of gastrointestinal tract in neonatal and pediatric patients because of their small body habitus and the presence of less fat tissue in the abdominal wall and peritoneal cavity. Ultrasound has certain advantages, thanks to the new wide-spectrum frequency probes able to assess a detailed study of the morphological aspects and functional characteristics of bowel loops, adding a new dimension to the imaging of this body system...
February 13, 2019: Journal of Ultrasound
https://read.qxmd.com/read/30756372/is-there-a-future-for-cell-free-fetal-dna-tests-in-screening-for-preeclampsia
#20
Urszula Sarzynska-Nowacka, Przemyslaw Kosinski, Miroslaw Wielgos
CffDNA screening is a powerful diagnostic tool in the prenatal diagnosis algorithm for chromosomal abnormalities. With detailed ultrasound examination as the mainstay of first-trimester risk assessment, cffDNA has been shown to be superior to first-trimester combined screening (FTCS) in false-positive rates for trisomy 21 detection. In light of the growing interest in cffDNA testing and the possibility of it replacing first-trimester biochemistry, we decided to investigate the usefulness of cffDNA tests in early-pregnancy risk assessment for preeclampsia (PE)...
2019: Ginekologia Polska
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