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https://www.readbyqxmd.com/read/28335998/point-shear-wave-elastography-to-evaluate-and-monitor-changing-portal-venous-pressure-in-patients-with-decompensated-cirrhosis
#1
Hao Han, Jian Yang, Yu-Zheng Zhuge, Ming Zhang, Min Wu
This study evaluated whether the stiffness of the liver and spleen, measured using the point shear wave elastography (pSWE) technique, correlates with portal venous pressure (PVP) and whether the result extends to estimate the diminishing change in PVP (ΔPVP) in patients with decompensated cirrhosis. We evaluated the data of 67 prospectively enrolled patients who underwent both transjugular intrahepatic portosystemic shunt (TIPS) and pSWE. The stiffness of liver and spleen were evaluated by measuring shear wave velocity (SWV) to determine the statistical correlation with PVP...
March 20, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28331412/a-review-of-the-pseudobarbus-afer-peters-1864-species-complex-teleostei-cyprinidae-in-the-eastern-cape-fold-ecoregion-of-south-africa
#2
Albert Chakona, Paul H Skelton
The Eastern Cape redfin, Pseudobarbus afer, has long been considered to be a single widespread and variable species occurring in multiple isolated river systems in the Cape Fold Ecoregion (CFE) at the southern tip of Africa. Mitochondrial cytochrome b and control region sequence data of individuals from populations currently assigned to Pseudobarbus afer across the species' distribution range revealed existence of four deeply divergent taxonomic units: (i) the Mandela lineage confined to the Sundays, Swartkops and Baakens river systems, (ii) the Krom lineage endemic to the Krom River system, (iii) the St Francis lineage occurring in the Gamtoos and adjacent river systems, and (iv) the Forest lineage occurring in several coastal river systems from the Tsitsikamma to the Klein Brak River system...
2017: ZooKeys
https://www.readbyqxmd.com/read/28303832/coagulase-negative-staphylococci-emerging-pathogen-in-central-nervous-system-shunt-infection
#3
Preeti Lata Bhatia, Sunil Lilani, Ritesh Shirpurkar, Chhaya Chande, Shrikant Joshi, Abhay Chowdhary
Central nervous system (CNS) shunts are commonly used to treat patients with hydrocephalus. Its placement is associated with increased risk of infection. The study was intended to evaluate infection rate associated with CNS shunt surgeries and identify risk factors for shunt infection. The frequency and characterisation of aetiological agents along with their antibiotic resistance pattern were also studied. A prospective study of 86 patients who underwent 97 surgeries over a period of 18 months was conducted...
January 2017: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28300907/dermatologic-manifestations-of-infective-endocarditis
#4
Rafael Tomaz Gomes, Larissa Rezende Tiberto, Viviane Nardin Monte Bello, Margarete Aparecida Jacometo Lima, Gisele Alborghetti Nai, Marilda Aparecida Milanez Morgado de Abreu
Despite advances in diagnosis and treatment, infective endocarditis still shows considerable morbidity and mortality rates. The dermatological examination in patients with suspected infective endocarditis may prove very useful, as it might reveal suggestive abnormalities of this disease, such as Osler's nodes and Janeway lesions. Osler's nodes are painful, purple nodular lesions, usually found on the tips of fingers and toes. Janeway lesions, in turn, are painless erythematous macules that usually affect palms and soles...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28293378/hepatorenal-syndrome-update-on-diagnosis-and-therapy
#5
EDITORIAL
Juan G Acevedo, Matthew E Cramp
Hepatorenal syndrome (HRS) is a manifestation of extreme circulatory dysfunction and entails high morbidity and mortality. A new definition has been recently recommended by the International Club of Ascites, according to which HRS diagnosis relies in serum creatinine changes instead that on a fixed high value. Moreover, new data on urinary biomarkers has been recently published. In this sense, the use of urinary neutrophil gelatinase-associated lipocalin seems useful to identify patients with acute tubular necrosis and should be employed in the diagnostic algorithm...
February 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28292199/high-resolution-mri-of-the-ulnar-and-radial-collateral-ligaments-of-the-wrist
#6
Taiki Nozaki, Wei Der Wu, Yasuhito Kaneko, Gregory Rafijah, Lily Yang, Dave Hitt, Hiroshi Yoshioka
Background Accurate diagnosis of injuries to the collateral ligaments of the wrist is technically challenging on MRI. Purpose To investigate usefulness of high-resolution two-dimensional (2D) and isotropic three-dimensional (3D) magnetic resonance imaging (MRI) for identifying and classifying the morphology of the ulnar and radial collateral ligaments (UCL and RCL) of the wrist. Material and Methods Thirty-seven participants were evaluated using 3T coronal 2D and isotropic 3D images by two radiologists independently...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28281484/laparoscopic-management-of-symptomatic-residual-appendicular-tip-a-rare-case-report
#7
R Parthsarathi, Samrat V Jankar, Bhushan Chittawadgi, Sandeep C Sabnis, S Sarvana Kumar, S Rajapandian, P Senthilnathan, P Praveen Raj, C Palanivelu
Appendectomy is one of the most common emergency surgical procedures. Stump appendicitis is well-recognised entity has been described in the literature. Still, with recent advance in imaging technique, it remains as a clinical challenge for diagnosis and effective treatment. We present a case of 13-year-old boy who underwent laparoscopic appendectomy 3 months back and presented to us with acute abdomen associated with vomiting and fever. Imaging revealed the presence of a tubular residual inflamed tip of the appendix of size 4 cm laying in paracaecal position with approximately 50cc purulent collection around it...
April 2017: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/28280874/assessment-of-normal-forearm-compartment-pressures-in-a-nigerian-population
#8
A I Adeyeye, O Esan, I C Ikem
PURPOSE: The forearm is prone to raised compartment pressure and it is the second most common site for compartment syndrome. The normal compartment pressure of the forearm should be known and serve as a benchmark for the diagnosis of acute and chronic compartment syndrome. This study was aimed to determine the normal compartment pressures of the forearm using a digital compartment pressure monitor. METHODS: This was a prospective hospital-based study of the uninjured forearm in 30 patients, who presented with closed unilateral forearm fracture at the accident and emergency department of a tertiary health care facility, between June 2012 and December 2013...
March 9, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28268511/tracking-of-the-anterior-mitral-leaflet-in-echocardiographic-sequences-using-active-contours
#9
Malik Saad Sultan, Nelson Martins, Diana Veiga, Manuel Joao Ferreira, Miguel Tavares Coimbra
Echocardiography assessment of cardiac valves plays a vital role in the diagnosis of rheumatic heart disease. In the vast majority of cases, the mitral valve gets affected, leading to the thickening of its leaflets that may result in the fusion of their tips. This changes the appearance and reduces the mobility of the leaflets, which also reduce the heart efficiency. Quantifying such parameters provides diagnostic insight. To achieve that, the first step is to identify and then track fast moving leaflets. This work is focused on Anterior Mitral Leaflet (AML) tracking...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28260214/polydactylous-transverse-erythronychia-report-of-a-patient-with-multiple-horizontal-red-bands-affecting-the-fingernails
#10
Carina Chang, Bryce D Beutler, Philip R Cohen
INTRODUCTION: Redness of the nail plate-erythronychia-is a common condition involving one or multiple digits. It may affect the entire nail or present as longitudinal red bands that extend from the proximal nail fold to the distal tip of the nail plate. Rarely, red bands may traverse the nail bed horizontally. Although erythronychia is often idiopathic, it has also been associated with amyloidosis, Darier's disease, lichen planus, and various other cutaneous conditions. We describe the clinical features of a 64-year-old Caucasian man who presented with transverse and longitudinal erythronychia affecting his fingernails...
March 4, 2017: Dermatology and Therapy
https://www.readbyqxmd.com/read/28255943/posterior-tibial-tendon-impingement-due-to-os-subtibiale-a-case-report-and-up-to-date-review
#11
Adil Turan, Ozkan Kose, Baver Acar, Melih Unal
Os subtibiale is a rare accessory ossicle located at the tip of the medial malleolus. Although this small ossicle usually has no clinical significance, in some cases it may be a source of ankle pain. Symptomatic os subtibiale is an extremely rare diagnosis, and few cases have been reported to date. The case presented is of a 35-year-old female patient with symptomatic os subtibiale, with a discussion of the diagnosis, clinical findings, and treatment options.
March 2, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28251307/-diffusion-tensor-imaging-of-the-visual-pathway-in-glaucomatous-optic-nerve-atrophy
#12
REVIEW
T Engelhorn, M A Schmidt, A Dörfler, G Michelson
In Germany more than one million inhabitants suffer from glaucoma, more than 100,000 are threatened with blindness because glaucoma is often diagnosed too late or not at all. Diagnosis and monitoring is usually carried out "only" by examination of the retina and not the whole visual pathway. However, the eye is just "the tip of the iceberg" of the actual visual pathway, which extends through the brain to the visual cortex. The interdisciplinary holistic assessment of the whole visual pathway in glaucoma is of crucial importance because glaucoma is a complex neurodegenerative disease...
March 1, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28246516/practical-guidelines-for-ultrasound-guided-core-needle-biopsy-of-soft-tissue-lesions-transformation-from-beginner-to-specialist
#13
Sang Yoon Kim, Hye Won Chung, Tack Sun Oh, Jong-Seok Lee
Ultrasound-guided core needle biopsy (US-CNB) is an important step in the diagnosis of musculoskeletal soft-tissue lesions. To maximize efficacy and minimize the complications of US-CNB, it is critical to collaborate with a multidisciplinary team and to understand the particular considerations of US-CNB for these lesions. The purpose of this article is to provide a systematic review and step-by-step tips for using US-CNB to diagnose musculoskeletal soft-tissue lesions.
March 2017: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/28246411/prospective-case-control-study-of-toe-tip-necrosis-syndrome-ttns-in-western-canadian-feedlot-cattle
#14
Chad Paetsch, Kent Fenton, Tye Perrett, Eugene Janzen, Ted Clark, Jan Shearer, Murray Jelinski
A case-control study was conducted to investigate potential risk factors for toe tip necrosis syndrome (TTNS) in western Canadian feedlot cattle. Feedlot veterinarians provided hooves from 222 animals that died of either TTNS ("cases") or from all other causes ("controls"). The claws were sectioned by researchers to confirm the diagnoses; there was very good agreement between the practitioners' field diagnosis and that of the researchers (Cohen's kappa = 0.81; P < 0.001). The sole thickness of the apical white line region was thinner (P < 0...
March 2017: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/28243995/septic-pulmonary-emboli-detected-by-18-f-fdg-pet-ct-in-children-with-s-aureus-catheter-related-bacteremia
#15
A Méndez-Echevarria, M Coronado-Poggio, F Baquero-Artigao, T Del Rosal, S Rodado-Marina, C Calvo, L Domínguez-Gadea
PURPOSE: The role of (18)F-fluorodeoxyglucose positron emission tomography-computed tomography ((18)F-FDG PET/CT) in the diagnosis of metastatic infectious foci in children with catheter-related blood stream infection has been hardly studied, although some authors have reported it benefit in the screening of metastatic foci in adult population. Septic pulmonary emboli are among the most difficult to identify, because many cases do not present pulmonary complaints or abnormal chest radiography...
February 27, 2017: Infection
https://www.readbyqxmd.com/read/28226685/tracking-of-the-anterior-mitral-leaflet-in-echocardiographic-sequences-using-active-contours
#16
Malik Saad Sultan, Nelson Martins, Diana Veiga, Manuel Joao Ferreira, Miguel Tavares Coimbra, Malik Saad Sultan, Nelson Martins, Diana Veiga, Manuel Joao Ferreira, Miguel Tavares Coimbra, Diana Veiga, Nelson Martins, Malik Saad Sultan, Miguel Tavares Coimbra, Manuel Joao Ferreira
Echocardiography assessment of cardiac valves plays a vital role in the diagnosis of rheumatic heart disease. In the vast majority of cases, the mitral valve gets affected, leading to the thickening of its leaflets that may result in the fusion of their tips. This changes the appearance and reduces the mobility of the leaflets, which also reduce the heart efficiency. Quantifying such parameters provides diagnostic insight. To achieve that, the first step is to identify and then track fast moving leaflets. This work is focused on Anterior Mitral Leaflet (AML) tracking...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28195001/design-and-analysis-of-a-tendon-based-computed-tomography-compatible-robot-with-remote-center-of-motion-for-lung-biopsy
#17
Yunpeng Yang, Shan Jiang, Zhiyong Yang, Wei Yuan, Huaisu Dou, Wei Wang, Daguang Zhang, Yuan Bian
Nowadays, biopsy is a decisive method of lung cancer diagnosis, whereas lung biopsy is time-consuming, complex and inaccurate. So a computed tomography-compatible robot for rapid and precise lung biopsy is developed in this article. According to the actual operation process, the robot is divided into two modules: 4-degree-of-freedom position module for location of puncture point is appropriate for patient's almost all positions and 3-degree-of-freedom tendon-based orientation module with remote center of motion is compact and computed tomography-compatible to orientate and insert needle automatically inside computed tomography bore...
February 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28188426/non-specific-benign-pathological-results-on-transthoracic-core-needle-biopsy-how-to-differentiate-false-negatives
#18
Jung Im Kim, Chang Min Park, Hyungjin Kim, Jong Hyuk Lee, Jin Mo Goo
OBJECTIVES: To determine the negative predictive value (NPV) of non-specific benign results from cone-beam CT (CBCT)-guided transthoracic core-needle biopsy (TTNB) and identify predicting factors for false-negative for malignancies. METHODS: From January 2009-December 2011, 1,108 consecutive patients with 1,116 lung lesions underwent CBCT-guided TTNB using an 18-gauge coaxial cutting needle. Among them, 226 patients with 226 TTNBs, initially diagnosed as non-specific benign, were included in this study...
February 10, 2017: European Radiology
https://www.readbyqxmd.com/read/28187974/no-correlation-between-two-dimensional-measurements-and-three-dimensional-configuration-of-the-pharyngeal-upper-airway-space-in-cone-beam-computed-tomography
#19
Marie Dorothée Abé-Nickler, Samira Pörtner, Peter Sieg, Samer George Hakim
The aim of this study was to evaluate both the 2-dimensional (2D) and 3-dimensional (3D) configuration of the posterior airway space (PAS) in healthy 239 patients using cone-beam computed tomography (CBCT). In particular, we investigated the correlation between the 2D and 3D measurements in view of the potential impact on diagnosis of upper airway obstruction. The pharyngeal airway of each patient was studied at five levels: the level of the posterior nasal spine (PNS), the level of half-height of the PNS and the tip of the soft palate, the level of the tip of the soft palate, the level of the anterior-inferior point of the second vertebra, and at least the level of the top of the epiglottis...
March 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28167193/the-scapula-backward-tipping-test-an-inter-rater-reliability-study
#20
Deepak Sebastian, Raghu Chovvath, Ramesh Malladi
BACKGROUND & PURPOSE: The purpose of this study was to determine the reliability of the scapula backward tipping test (SBTT) in detecting the presence of pectoralis minor (PM) tightness and subsequently scapula forward tipping, in a symptomatic population. PM tightness with scapula forward tipping has been described to cause pain and dysfunction in the shoulder region. METHODS: 30 patients with a diagnosis of shoulder pain were randomly assigned and examined by 2 musculoskeletal physical therapists at a time...
January 2017: Journal of Bodywork and Movement Therapies
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