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Kidney ultrasonography

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https://www.readbyqxmd.com/read/28208931/pseudo-exstrophy-of-bladder-with-unilateral-renal-agenesis-a-rare-combination-of-two-anomalies
#1
Abdolhamid Amouei, Mohammad Baghi Yazdi, Fatemeh Ehsani, Mojtaba Babaei Zarch
Pseudo-exstrophy of bladder is an uncommon condition characterized by the major musculoskeletal defects without urinary system defects. A two-day-old female neonate was presented with pseudo-exstrophy of the bladder and unilateral renal agenesis- A rare combination of two anomalies. She was born at 37 weeks gestational age with caesarean section delivery. The X-ray of hip revealed pubic diastasis. Ultrasonography clearly showed absence of the left kidney with a normal right kidney. The patient was treated successfully with proper surgical management...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28202017/association-between-metformin-use-and-below-the-knee-arterial-calcification-score-in-type-2-diabetic-patients
#2
Aurélien Mary, Agnes Hartemann, Sophie Liabeuf, Carole Elodie Aubert, Salim Kemel, Joe Elie Salem, Philippe Cluzel, Aurélie Lenglet, Ziad A Massy, Jean-Daniel Lalau, Romuald Mentaverri, Olivier Bourron, Saïd Kamel
BACKGROUND: Vascular calcification (VC) is common in type 2 diabetes, and is associated with cardiovascular complications. Recent preclinical data suggest that metformin inhibits VC both in vitro and in animal models. However, metformin's effects in patients with diabetic VC have not previously been characterized. The present study investigated the association between metformin use and lower-limb arterial calcification in patients with type 2 diabetes and high cardiovascular risk. METHODS: The DIACART cross-sectional cohort study included 198 patients with type 2 diabetes but without severe chronic kidney disease...
February 15, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28180090/supernumerary-kidney-associated-with-horseshoe-malformation-a-case-report-and-review-of-literature
#3
Hassan Jamshidian, Kiana Tavakoli, Faeze Salahshour, Amirreza Nabighadim, Erfan Amini
We report a case of supernumerary kidney associated with horseshoe malformation. A 35-year-old man presented complaining of vague and intermittent left flank pain from few months ago. Ultrasonography of urinary tract showed bilateral hydronephrosis and was suggestive of the horseshoe anomaly. Further evaluation with Intravenous urography showed three renal moieties consisting of a horseshoe kidney and a malrotated right kidney cephalad to and fused with the right moiety of horseshoe kidney.
February 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28178171/an-extramedullary-plasmacytoma-in-the-kidney-of-a-14-year-old-girl-case-report-and-review-of-the-literature
#4
Yan-Hui Mei, Jian-Peng Yu, Gang Li
RATIONALE: Extramedullary plasmacytoma (EMP) a rare plasma cell disorder and is frequently associated with plasma cell bone marrow infiltration. Most EMPs involve mucosal lymphoid tissue, especially in the nasopharyngeal area, respiratory tract, and head and neck region. Primary involvement of the kidney is exceedingly rare. PATIENT CONCERNS: A 14-year-old girl was admitted in our hospital with intermittent right upper quadrant pain for 1 month and recent (1 day) progressive deterioration...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28161351/trends-in-imaging-use-for-the-evaluation-and-follow-up-of-kidney-stone-disease-a-single-center-experience
#5
Kevan M Sternberg, Benjamin Littenberg
PURPOSE: Recent reports support the use of renal ultrasonography (US) as the initial imaging study for the evaluation of patients with suspected renal colic. Urologists, however, often advocate for computed tomography (CT) to better define stone size and location, especially prior to proceeding with endourologic intervention. One concern with using US as the initial imaging study is that CT may be required at a later time, obviating the reduction in costs and radiation gained by using US...
February 1, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28155290/the-diagnosis-of-bilateral-primary-renal-paragangliomas-in-a-cat
#6
Ryan B Friedlein, Alain J Carter, Robert D Last, Sarah Clift
A 9-year-old sterilised female domestic short-hair cat was referred with a history of vomiting and anorexia of 3 months' duration. Biochemistry, full-blood counts, thoracic radiographs, feline pancreatic-specific lipase, abdominal ultrasonography and feline immunodeficiency virus/feline leukaemia virus (FIV/FeLV) SNAP tests had been performed. Mild hypochloraemia and moderate hypokalaemia were evident on initial presentation. Abdominal ultrasonography initially revealed unilateral renal nodules on the left side...
January 24, 2017: Journal of the South African Veterinary Association
https://www.readbyqxmd.com/read/28152259/four-dimensional-phase-contrast-vastly-undersampled-isotropic-projection-reconstruction-4d-pc-vipr-mr-evaluation-of-the-renal-arteries-in-transplant-recipients-preliminary-results
#7
Daisuke Motoyama, Yasuo Ishii, Yasuo Takehara, Masataka Sugiyama, Wang Yang, Hatsuko Nasu, Takasuke Ushio, Yuko Hirose, Naoki Ohishi, Tetsuya Wakayama, Hiroyuki Kabasawa, Kevin Johnson, Oliver Wieben, Harumi Sakahara, Seiichiro Ozono
PURPOSE: To assess the performance of four-dimensional phase-contrast vastly undersampled isotropic projection reconstruction (4D PC-VIPR) at 3.0T in depicting intrarenal arteries compared with computed tomography angiography (CTA), and its correlation with arterial flowmetry in comparison with Doppler ultrasonography (DUS). MATERIALS AND METHODS: In our prospective single-arm study, subjects were 25 patients who underwent renal transplant-related surgery at our hospital between July 2011 and June 2015...
February 2, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28144402/impact-of-contrast-enhanced-ultrasound-in-patients-with-renal-function-impairment
#8
Rossano Girometti, Tiziano Stocca, Elena Serena, Antonio Granata, Michele Bertolotto
AIM: To investigate the role of contrast enhanced ultrasound (CEUS) in evaluating patients with renal function impairment (RFI) showing: (1) acute renal failure (ARF) of suspicious vascular origin; or (2) suspicious renal lesions. METHODS: We retrospectively evaluated patients addressed to CEUS over an eight years period to rule-out vascular causes of ARF (first group of 50 subjects) or assess previously found suspicious renal lesions (second group of 41 subjects with acute or chronic RFI)...
January 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/28137609/dietary-nitrate-load-lowers-blood-pressure-and-renal-resistive-index-in-patients-with-chronic-kidney-disease-a-pilot-study
#9
Stephan Kemmner, Georg Lorenz, Jana Wobst, Thorsten Kessler, Ming Wen, Roman Günthner, Konrad Stock, Uwe Heemann, Klaus Burkhardt, Marcus Baumann, Christoph Schmaderer
Beetroot has a high concentration of inorganic nitrate, which can serially reduced to form nitrite and nitric oxide (NO) after oral ingestion. Increased renal resistive index (RRI) measured by Doppler ultrasonography is associated with higher cardiovascular mortality in hypertensive patients with reduced renal function over time defined as chronic kidney disease (CKD). Our aim was to investigate whether the supplementation of dietary nitrate by administration of beetroot juice is able to reduce blood pressure and renal resistive index (RRI) as prognostic markers for cardiovascular mortality in CKD patients...
January 28, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28126394/laparoscopic-selective-clipping-of-upper-moiety-vasculature-and-ureter-without-partial-nephrectomy-a-novel-technique-for-pediatric-urinary-incontinence-due-to-ectopic-ureter-associated-with-poor-functioning-upper-renal-moiety
#10
S H Hosseini Sharifi, B Nabavizadeh, S Mozafarpour, A-M Kajbafzadeh
OBJECTIVE: The aim of this study was to present a novel laparoscopic technique for persistent urinary incontinence in pediatrics due to ectopic ureter associated with poor functioning upper renal moiety. METHODS: This technique consisted of laparoscopic clipping of the upper moiety artery and vein. The ectopic ureter was also clipped afterwards without upper pole partial nephrectomy. RESULTS: The patient was a seven-year-old girl with persistent urinary incontinence and confirmation of duplex kidney with poor functioning upper moiety in pre-operative investigations...
January 13, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28106614/study-of-intrapatient-variability-and-reproducibility-of-quantitative-tumor-perfusion-parameters-evaluated-with-dynamic-contrast-enhanced-ultrasonography
#11
Nathalie Lassau, Bénédicte Coiffier, Laura Faivre, Baya Benatsou, Sophie Bidault, Elizabeth Girard, Bernard Asselain, Stéphanie Pitre-Champagnat, Serge Koscielny
OBJECTIVES: Dynamic contrast-enhanced (DCE) ultrasonography (US) is a functional imaging technique enabling quantitative assessment of solid tumor perfusion in metastatic patients treated with antiangiogenic therapies.The objective of this prospective single-center study was to evaluate in real-life conditions (in routine clinical practice) the intrapatient variability and reproducibility of DCE-US parameters. MATERIALS AND METHODS: Each patient provided written informed consent and had 2 DCE-US examinations (preprandial and postprandial) at baseline, day 15, and 1 month after treatment initiation...
March 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28100159/interventional-therapy-for-transplant-renal-artery-stenosis-is-safe-and-effective-in-preserving-allograft-function-and-improving-hypertension
#12
Lili Wang, Bin Liu, Jieke Yan, Yongzheng Wang, Wujie Wang, Wei Wang, Haiyang Chang, Hongwei Wang, Changjun Wang, Zheng Li, Yuliang Li
PURPOSE: To evaluate the outcomes of percutaneous intervention (PI) for transplant renal artery stenosis (TRAS). MATERIALS AND METHODS: Doppler ultrasonography was used as the screening tool, and angiography was the diagnostic method for TRAS. The indications for PI were (1) a reduction in lumen diameter of >50% or (2) a mean pressure gradient of >15 mm Hg. Technical success was assessed immediately after the procedure. The short-term results of stenosis were evaluated by serum creatinine (Scr) levels and blood pressure (BP)...
January 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28070473/renal-infiltration-by-diffuse-large-b-cell-lymphoma-as-a-rare-cause-of-fanconi-s-syndrome-a-case-report
#13
Shoab Saadat, Syed Nayer Mahmud, Asim Qureshi
We report the case of a 16-year-old female patient with a known history of coeliac disease, who presented with the complaints of diarrhea, vomiting and generalized body weakness. On examination, she was found to have dehydration, decreased power in all her limbs, cervical lymphadenopathy and hepatosplenomegaly. Investigations showed severe hypokalemia, hyponatremia, hypomagnesemia, hypoglycemia and mildly enlarged kidneys on ultrasonography. Biopsy of the duodenum confirmed the flare up of coeliac disease, while cervical lymph node biopsy was positive for atypical lymphoid infiltrate and a morphology suggestive of non-Hodgkin's lymphoma...
November 30, 2016: Curēus
https://www.readbyqxmd.com/read/28018439/phelan-mcdermid-syndrome-presenting-with-developmental-delays-and-facial-dysmorphisms
#14
Yoon-Myung Kim, In-Hee Choi, Jun Suk Kim, Ja Hye Kim, Ja Hyang Cho, Beom Hee Lee, Gu-Hwan Kim, Jin-Ho Choi, Eul-Ju Seo, Han-Wook Yoo
Phelan-McDermid syndrome is a rare genetic disorder caused by the terminal or interstitial deletion of the chromosome 22q13.3. Patients with this syndrome usually have global developmental delay, hypotonia, and speech delays. Several putative genes such as the SHANK3, RAB, RABL2B, and IB2 are responsible for the neurological features. This study describes the clinical features and outcomes of Korean patients with Phelan-McDermid syndrome. Two patients showing global developmental delay, hypotonia, and speech delay were diagnosed with Phelan-McDermid syndrome via chromosome analysis, fluorescent in situ hybridization, and multiplex ligation-dependent probe amplification analysis...
November 2016: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28017526/contribution-of-fibroblast-growth-factor-23-to-framingham-risk-score-for-identifying-subclinical-atherosclerosis-in-chinese-men
#15
X Hu, X Ma, Y Luo, Y Xu, Q Xiong, X Pan, Y Bao, W Jia
BACKGROUND AND AIMS: Fibroblast growth factor 23 (FGF23) was demonstrated to be involved in the occurrence and development of cardiovascular disease (CVD). The goal of the present study was to investigate the relationship between serum FGF23 levels and carotid intima-media thickness (C-IMT) in men with a low-to-moderate CVD risk. METHODS AND RESULTS: Subjects with normal kidney function were selected from the Shanghai Obesity Study. Serum FGF23 levels were determined by sandwich enzyme-linked immunosorbent assay...
November 23, 2016: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28012707/effectiveness-of-ureteroscopy-among-the-youngest-patients-one-centre-s-experience-in-an-endemic-region-in-turkey
#16
Mehmet Mazhar Utanğaç, Mansur Dağgülli, Onur Dede, Ahmet Ali Sancaktutar, Yaşar Bozkurt
BACKGROUND: In recent years, the incidence of urinary stone disease reportedly has been increasing. The use of shockwave lithotripsy has seen low success rates, the inefficacy of a single session, and the need for general anaesthesia in children; additionally, children are exposed to radiation. These suboptimal treatment conditions have all led to ureteroscopy (URS) becoming the treatment method of choice for paediatric ureter stones. The aim of this study is to examine the effectiveness of 4...
November 19, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27995107/evaluating-the-effectiveness-of-adding-magnesium-chloride-to-conventional-protocol-of-citrate-alkali-therapy-on-kidney-stone-size
#17
Hassan Niroomand, Amin Ziaee, Keivan Ziaee, Alaleh Gheissari
BACKGROUND: Potassium citrate (K-Cit) is one of the therapeutic solutions broadly used in patients with urolithiasis. However, recent studies have shown that it is not so effective. Therefore, the goal of our study was to evaluate the effect of a combination of K-Cit - MgCl2 oral supplements, on urinary stone size. MATERIALS AND METHODS: This study was performed on 70 asymptomatic urolithiasis cases. The supplements included K-Cit and magnesium chloride (MgCl2), purchased from (Merck Company, Germany)...
2016: Advanced Biomedical Research
https://www.readbyqxmd.com/read/27982509/kidney-volume-and-ambulatory-blood-pressure-in-children
#18
Shari Gurusinghe, Arkadiy Palvanov, Mark E Bittman, Pamela Singer, Rachel Frank, Nataliya Chorny, Lulette Infante, Christine B Sethna
Low nephron number has been shown to be a risk factor for hypertension (HTN) in adulthood. Kidney volume may serve as a surrogate marker for nephron mass. The relationship between kidney volume and ambulatory blood pressure (BP) in the pediatric population is not known. A retrospective chart review of children younger than 21 years who were evaluated for HTN was performed. Twenty-four-hour BP and ultrasonography data were obtained. Multiple regression was used to examine associations between BP and kidney volume...
December 16, 2016: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/27979705/renal-function-and-carotid-atherosclerosis-in-adults-with-no-known-kidney-disease
#19
S Buscemi, G Geraci, F M Massenti, C Buscemi, F Costa, C D'Orio, G Rosafio, C Buscemi, V Maniaci, G Parrinello
BACKGROUND AND AIMS: A high prevalence of atherosclerotic lesions characterizes patients with chronic kidney disease, though there is little data on the relationship between kidney function and atherosclerotic changes in the healthy population or in people with no known renal impairment. The aim of our study was to analyze, in a comprehensive general population with no known kidney disease, the relationship between renal function and subclinical carotid atherosclerotic damage. METHODS AND RESULTS: A general real-life population of 611 participants (233 males and 378 females; age ≥18 years) with no known kidney failure was selected for the study...
September 28, 2016: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/27936958/kidney-resistive-index-relates-to-variations-of-home-blood-pressure-in-chronic-kidney-diseases
#20
Tsuneo Takenaka, Yoichi Ohno, Hiromichi Suzuki
BACKGROUND: Kidney resistive index (RI) correlates with tubulointerstitial changes and predicts renal prognosis. Most patients with chronic kidney diseases (CKDs) manifest high blood pressure and atherosclerotic cardiovascular diseases. In addition, various atherosclerotic indexes relate to variations in blood pressure. METHODS: Subjects were 70 CKD patients, who visited our office and agreed to measure home blood pressure and receive renal ultrasonography. Cross-sectional analyses were performed...
2016: Clinical and Experimental Hypertension: CHE
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