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peripheral ultrasound

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https://www.readbyqxmd.com/read/29142342/prevalence-of-subclinical-peripheral-vascular-disease-in-obese-egyptian-patients
#1
Jehan Ahmed Younes, Nahla Dessoki El-Sayed, Ayman Ismail Kamel
Objective: To detect subclinical peripheral vascular disease in obese Egyptian patients and establish relations between obesity, metabolic risk factors, and PVD. Methods: This was a prospective case-control study including 100 obese patients (BMI >30) (G1). In addition, 100 age and sex matched non-obese healthy subjects as a control group (G2). Both groups were subjected to duplex ultrasound, Radionuclide muscle scan. Angiography was done for 17 patients. Results: The image pattern of 99mTc-MIBI muscles uptake was studied and perfusion reserve (PR%) was calculated in (G1) and (G2)...
October 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29139030/potential-risk-factors-for-reactive-arthritis-and-persistence-of-symptoms-at-2%C3%A2-years-a-case-control-study-with-longitudinal-follow-up
#2
Helga Raquel Garcia Ferrer, Alexander Azan, Isa Iraheta, Joan Von Feldt, Luis R Espinoza, Julia Manasson, Jose U Scher, Abraham Garcia Kutzbach, Alexis Ogdie
The objective of the study is to determine the risk factors for the development of reactive arthritis (ReA) and examine the factors associated with the persistence of symptoms. Patients with a new diagnosis of ReA and controls with a gastrointestinal (GI), urogenital, or sexually transmitted infection in the 3-6 months prior to study entry were prospectively enrolled in Guatemala City. ReA patients fulfilled the Assessment in Spondyloarthritis International Society criteria for peripheral spondyloarthropathy (SpA)...
November 14, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29136677/thymus-growth-and-fetal-immune-responses-in-diabetic-pregnancies
#3
Katharina Warncke, Ramona Lickert, Stephanie Eitel, Karl-Philipp Gloning, Ezio Bonifacio, Eva-Maria Sedlmeier, Petra Becker, Jan Knoop, Andreas Beyerlein, Anette-Gabriele Ziegler
Type 1 diabetes (T1D) during pregnancy possibly affects the development of the thymus and the maturation of the immune system in the offspring. The aim of the ImmunDiabRisk study was to investigate thymus growth and maternal and fetal immune responses in pregnancies with and without T1D. The thymus circumferences of the fetuses of pregnant women with T1D (n=49) and without diabetes (n=59) were measured using ultrasound around the 29th gestational week and standardized for gestational age. Simultaneously, the frequencies and total numbers of cell markers were analyzed by flow cytometry in maternal peripheral blood, and at birth in umbilical cord blood...
November 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/29136549/the-spectrum-of-charcot-marie-tooth-disease-due-to-myelin-protein-zero-an-electrodiagnostic-nerve-ultrasound-and-histological-study
#4
Gian Maria Fabrizi, Stefano Tamburin, Tiziana Cavallaro, Ilaria Cabrini, Moreno Ferrarini, Federica Taioli, Francesca Magrinelli, Giampietro Zanette
OBJECTIVE: Nerve ultrasound (US) data on myelin protein zero (MPZ)-related Charcot-Marie-Tooth disease (CMT) are lacking. To offer a comprehensive perspective on MPZ-related CMTs, we combined nerve US with clinics, electrodiagnosis and histopathology. METHODS: We recruited 36 patients (12 MPZ mutations), and correlated nerve US to clinical, electrodiagnostic measures, and sural nerve biopsy. RESULTS: According to motor nerve conduction velocity (MNCV) criteria, nine patients were categorized as "demyelinating" CMT1B, 17 as "axonal" CMT2I/J, and 10 as dominant "intermediate" CMTDID...
October 20, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29135593/ultrasound-guided-dynamic-needle-tip-positioning-technique-versus-palpation-technique-for-radial-arterial-cannulation-in-adult-surgical-patients-a-randomized-controlled-trial
#5
Roy K Kiberenge, Kenichi Ueda, Brett Rosauer
BACKGROUND: Radial arterial cannulation is most commonly done using palpation, but the use of ultrasound has increased the cannulation success rate. This improvement, albeit significant, has not led to a very high success rate especially in trainees. A modified ultrasound technique for vascular cannulation (dynamic needle tip positioning) has been described for peripheral venous cannulation. We therefore assessed the success rate of this technique compared to the palpation technique for radial artery cannulation in adult surgical patients...
November 10, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29135135/-ultrasound-indicators-of-the-prostate-urinary-bladder-and-uroflowmetry-parameters-in-the-diagnosis-of-infravesical-obstruction-in-men-with-benign-prostatic-hyperplasia
#6
G G Krivoborodov, N S Efremov, A D Bolotov
RELEVANCE: Benign prostatic hyperplasia (BPH) is one of the most common urologic diseases of males. In patients who failed drug therapy of lower urinary tract symptoms (LUTS) caused by BPH, the most important indication for surgery is the presence of infravesical obstruction (IVO). IVO is detected by pressure-flow studies and is characterized by high detrusor pressure with decreased urinary flow rate. The invasiveness and high cost of this investigation has stimulated a search for non-invasive techniques that could reliably characterize the presence of IVO secondary to BPH...
October 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/29131837/evidence-for-congruent-impairment-in-micro-and-macrovascular-function-in-type-1-diabetes
#7
Concetta Irace, Valentina Messiniti, Bruno Tassone, Claudio Cortese, Eugene J Barrett, Agostino Gnasso
Diabetes affects large and small vessels through mechanisms only partially known. In the present study, we evaluated the function of capillaries and large arteries in subjects with type 1 diabetes mellitus (T1DM) to study the effect of chronic hyperglycemia in the absence of other cardiovascular risk factors. Twenty-five subjects with T1DM and 12 healthy age-matched controls were enrolled. Nine patients had mild or moderate retinopathy. Contrast enhanced ultrasound was used to measure perfusion of the deep forearm flexor muscle of the non-dominant arm at rest (baseline) and after an ischemic stimulus (reactive hyperemia)...
2017: PloS One
https://www.readbyqxmd.com/read/29130507/neurofascin-155-igg4-neuropathy-pathophysiological-insights-spectrum-of-clinical-severity-and-response-to-treatment
#8
Nidhi Garg, Susanna B Park, Con Yiannikas, Steve Vucic, James Howells, Yu-Ichi Noto, Emily K Mathey, John D Pollard, Matthew C Kiernan
INTRODUCTION: Sensorimotor neuropathy associated with IgG4 antibodies to neurofascin-155 (NF155) was recently described. The clinical phenotype is typically associated with young onset, distal weakness and in some cases, tremor. METHODS: From a consecutive cohort of 55 patients diagnosed with chronic inflammatory demyelinating polyneuropathy, screening for anti-NF155 antibodies was undertaken. Patients underwent clinical assessment, diagnostic neurophysiology, including peripheral axonal excitability studies and nerve ultrasound...
November 11, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/29130498/peripheral-nerve-ultrasound-in-friedreich-s-ataxia
#9
Eoin Mulroy, Luciana Pelosi, Ruth Leadbetter, Purwa Joshi, Miriam Rodrigues, Stuart Mossman, Dean Kilfoyle, Richard Roxburgh
Introduction Sensory impairment in Friedreich's ataxia (FRDA) is generally accepted as being due to a ganglionopathy. The degree of contribution from axonal pathology remains a matter of debate. Nerve ultrasound may be able to differentiate these processes. Methods The ultrasound cross-sectional area of median, ulnar, tibial and sural nerves of 8 patients with FRDA was compared with 8 age- and gender-matched healthy controls and with reference values in our population. Results The nerves of the patients with FRDA were significantly larger than healthy controls' at all upper limb sites (p< 0...
November 11, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/29127505/high-resolution-ultrasonography-of-the-normal-extratemporal-facial-nerve
#10
Hannes Wegscheider, Gerd Fabian Volk, Orlando Guntinas-Lichius, Bernhard Moriggl
The technical advances in sonography of the past decade have supported the rapid improvement of high-resolution imaging, which enables the quick visualization of peripheral nerves at relatively limited costs. Recently, the possibility of visualizing the extratemporal facial nerve (FN) has been considered. This manuscript describes the first systematic evaluation in cadavers, of a novel ultrasonographic approach with this specific aim. Eight cadaveric hemifaces were evaluated by means of high-frequency ultrasound with two linear (13 and 22 MHz) and a convex transducer (6...
November 10, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29126575/validation-of-prostate-imaging-reporting-and-data-system-version-2-a-retrospective-analysis
#11
Michael Nguyentat, Alexander Ushinsky, Alessandra Miranda-Aguirre, Edward Uchio, Chandana Lall, Layla Shirkhoda, Thomas Lee, Christopher Green, Roozbeh Houshyar
PURPOSE: Use of magnetic resonance imaging (MRI)/transrectal ultrasound fusion biopsies to determine the accuracy of multiparametric MRI (mpMRI), using Prostate Imaging-Reporting and Data System version 2 (PI-RADSv2), for detecting clinically significant prostate cancer in the overall gland and specifically the peripheral zone (PZ) and transitional zone (TZ). METHODS: A retrospective analysis of patients who underwent fusion biopsy identified 137 men with 231 prostate lesions was approved by the Institutional Review Board...
October 12, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/29125332/abo-blood-group-related-venous-thrombosis-risk-in-patients-with-peripherally-inserted-central-catheters
#12
Chung Mo Koo, Ravi Vissapragada, Rebecca Sharp, Phi Nguyen, Thomas Ung, Chrismin Solanki, Adrian Esterman
OBJECTIVE: To investigate the association between ABO blood group and venous thrombosis (VT) risk in patients with peripherally inserted central catheters (PICC). METHODS: Single centre retrospective cohort study. A cohort of patients who underwent PICC insertion from September 2010 to August 2014 were followed up for symptomatic VT presentations diagnosed by ultrasound. Blood group status was identified from hospital information systems. RESULTS: 2270 participants had 3020 PICCs inserted...
November 10, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/29125111/comparison-of-ultrasound-features-of-primary-metastatic-papillary-thyroid-carcinoma-and-recurrent-persistent-metastatic-cervical-lymph-nodes
#13
Jing-Zhu Xu, Zhi-Yong Liang, Xing-Hua Wang, Xiao-Yi Li, Hong-Feng Liu, Qiong Wu, Ru-Yu Liu, Xiao Yang, Shen-Ling Zhu, Rui-Na Zhao, Xing-Jian Lai, Xiao-Yan Zhang, Xue-Hua Xi, Bo Zhang
Objective To explore the ultrasound features and levels of cervical lymph node metastases in primary and recurrent/persistent papillary thyroid cancer (PTC).Methods We retrospectively analyzed the clinical data of 2181 patients who underwent cervical lymph nodes dissection for PTC from January 1(st) 2015 to January 1(st) 2016.Totally 418 PTC patients (with 622 lymph nodes) who met the inclusion criteria entered the final analysis.Patients who had not received any prior thyroid treatment (surgery with or without radioactive iodine) were categorized as the primary group (352 patients with 527 metastatic lymph nodes),and patients who had received prior treatment (thyroidectomy with or without radioactive iodine) for PTC were categorized as recurrent/persistent group (66 patients with 95 metastatic lymph nodes)...
October 30, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29122222/imaging-features-of-combined-hepatocellular-cholangiocarcinoma-on-contrast-enhanced-ultrasound-correlation-with%C3%A2-clinicopathological-findings
#14
J Ye, X Xie, Y Lin, B Liu, W Wang, X Huang, G Huang
AIM: To evaluate the relationship between the imaging features of combined hepatocellular-cholangiocarcinoma (CHC) on contrast-enhanced ultrasound (CEUS) and clinicopathological findings. MATERIALS AND METHODS: From August 2004 to August 2016, 40 patients (29 males, 11 females; mean age 52.8±11.2 years) with histopathologically proven CHC were investigated. The CEUS imaging features and clinicopathological findings of CHC were analysed and compared retrospectively...
November 6, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/29121277/ultrasound-guided-percutaneous-cryoneurolysis-for-treatment-of-acute-pain-could-cryoanalgesia-replace-continuous-peripheral-nerve-blocks
#15
B M Ilfeld, R A Gabriel, A M Trescot
No abstract text is available yet for this article.
October 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29120892/ce-original-research-does-certification-in-vascular-access-matter-an-analysis-of-the-picc1-survey
#16
Vineet Chopra, Latoya Kuhn, Valerie Vaughn, David Ratz, Suzanne Winter, Nancy Moureau, Britt Meyer, Sarah Krein
Study reveals differences in practices and views between certified and noncertified inserters. ABSTRACT: Background: Although certification by an accredited agency is often a practice prerequisite in health care, it is not required of vascular access specialists who insert peripherally inserted central catheters (PICCs). Whether certification is associated with differences in practice among inserters is unknown. PURPOSE: The purpose of this study was to gather information regarding whether certified and noncertified PICC inserters differ with respect to their practices and views about PICC use...
November 8, 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/29120452/vascular-aging-and-cardiac-maladaptation-in-growth-restricted-preterm-infants
#17
A Sehgal, B J Allison, S M Gwini, S Menahem, S L Miller, G R Polglase
OBJECTIVE: To assess arterial morphology and mechanics in preterm infants with fetal growth restriction (FGR) compared with those appropriate for gestational age (AGA) in the early neonatal period. STUDY DESIGN: This observational study involved 20 preterm FGR infants (28 to 32 weeks) of gestational age (GA) and birth weight (BW) <10th centile and 20 preterm AGA infants. Vascular ultrasound was performed to measure aortic properties. RESULTS: GA and BW of FGR and AGA infants were 29...
November 9, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29119030/latanoprost-induced-iris-pigment-epithelial-and-ciliary-body-cyst-formation-in-hypermetropic-eyes
#18
Abhijit Anand Mohite, Rangarajan V Prabhu, Thomas Ressiniotis
Purpose: Latanoprost has become one of the most widely prescribed topical antihypertensive medications in recent years. Yet there have been few reports of secondary iris pigment epithelial (IPE) and ciliary body (CB) cyst formation to date and none, to our knowledge, reported in eyes predisposed to primary angle closure. Methods: We report the first documented case of bilateral IPE and CB cysts in a hypermetropic patient with prior laser peripheral iridotomies (LPIs) as a rare, delayed side effect of topical Latanoprost treatment...
2017: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/29118844/ultrasound-probe-grip-the-afternoon-tea-technique
#19
Luke McMenamin, Stephen Wolstenhulme, Max Hunt, Stuart Nuttall, Asoka Weerasinghe
Background: Globally, ultrasound is being used to assist in central venous and difficult peripheral intravenous access in a variety of emergency and non-emergency clinical settings. Context: After reading Flood's paper on safe central venous access and noting the difficulties clinicians find in probe stabilisation whilst performing dynamic intravenous access, we decided to share our teaching technique. Innovation: The purpose of this correspondence is to highlight the 'afternoon tea technique' as a potential teaching method for probe stabilisation...
August 2017: J Intensive Care Soc
https://www.readbyqxmd.com/read/29112510/prediction-of-postpercutaneous-coronary-intervention-myocardial-infarction-insights-from-intravascular-imaging-coronary-flow-and-biomarker-evaluation
#20
Stephen P Hoole, Jules Hernández-Sánchez, Adam J Brown, Joel P Giblett, Martin R Bennett, Nick E J West
BACKGROUND: Percutaneous coronary intervention-induced myocardial infarction (PMI) has prognostic significance. Identifying patients at high risk for PMI is desirable as it may alter strategy and facilitate early preventative therapy. We therefore sought to establish whether preprocedural demographic, interventional (plaque characteristics and coronary microcirculatory function), and inflammatory, endothelial damage, and platelet-derived biomarker data could predict the risk of PMI. PATIENTS AND METHODS: We performed target vessel pressure wire to assess fractional flow reserve, index of microcirculatory resistance (IMR) and coronary flow reserve, plaque characterization by virtual histology intravascular ultrasound, and assayed peripheral biomarkers before uncomplicated PCI in 88 patients...
November 6, 2017: Coronary Artery Disease
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