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"Kidney length"

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https://www.readbyqxmd.com/read/28828169/comparison-of-renal-growth-proteinuria-and-graft-survival-between-recipients-of-pediatric-and-adult-cadaveric-kidney-transplants
#1
A Basiri, S Zare, N Simforoosh, A Tabibi, M H Shakibi
BACKGROUND: The shortage of cadaveric kidney donors has prompted transplant teams to expanding the donor selection criteria. The usage of pediatric cadaveric kidneys is one of those expanded criteria. But the main concern is the probability of hyperfiltration syndrome due to small renal mass of pediatric donors. OBJECTIVE: To compare the graft and patient survivals, post-transplantation complications, rate and severity of proteinuria secondary to hyperfiltration injury and the kidney growth of recipients who underwent transplantation from adult (group 1) and pediatric deceased donors (group 2)...
2017: International Journal of Organ Transplantation Medicine
https://www.readbyqxmd.com/read/28645868/natural-history-of-contralateral-hypertrophy-in-patients-with-multicystic-dysplastic-kidneys
#2
Thomas W Gaither, Ankur Patel, Chandni Patel, Kai-Wen Chuang, Ronald A Cohen, Laurence S Baskin
PURPOSE: To evaluate predictive factors for compensatory hypertrophy and renal outcomes in a large cohort of patients with multicystic dysplastic kidneys (MCDK). MATERIALS AND METHODS: We conducted a retrospective review from 1997 to 2016. Contralateral kidney and MCDK length were recorded from all ultrasounds as well as creatinine when available. We used generalized estimating equations to determine predictors of contralateral kidney length. RESULTS: 443 children with MCDK were identified based on sonographic finding and lack of function on nuclear scan...
June 20, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28643228/a-urologic-stethoscope-urologist-performed-sonography-using-a-pocket-size-ultrasound-device-in-the-point-of-care-setting
#3
Arnon Lavi, Sharon Tzemah, Anan Hussein, Ibrahim Bishara, Nikolay Shcherbakov, Genady Zelichenko, Alon Mashiah, Michael Gross, Leonid Cherbinski, Ziv Neeman, Michael Cohen
PURPOSE: Ultrasound is commonly used in urology. Technical advances with reduced size and cost led to diffusion of small ultrasound devices to many clinical settings. Even so, most ultrasound studies are performed by non-urologists. We aimed to evaluate the utility of a pocket-size ultrasound device (Vscan™ GE Healthcare) and the quality of urologist performed study. METHODS: Three consecutive studies were performed: (1) a urologist using the pocket ultrasound, (2) a sonographist using the pocket ultrasound, and (3) a sonographist using a standard ultrasound device...
June 22, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28558028/kidney-volume-measurement-methods-for-clinical-studies-on-autosomal-dominant-polycystic-kidney-disease
#4
Kanishka Sharma, Anna Caroli, Le Van Quach, Katja Petzold, Michela Bozzetto, Andreas L Serra, Giuseppe Remuzzi, Andrea Remuzzi
BACKGROUND: In autosomal dominant polycystic kidney disease (ADPKD), total kidney volume (TKV) is regarded as an important biomarker of disease progression and different methods are available to assess kidney volume. The purpose of this study was to identify the most efficient kidney volume computation method to be used in clinical studies evaluating the effectiveness of treatments on ADPKD progression. METHODS AND FINDINGS: We measured single kidney volume (SKV) on two series of MR and CT images from clinical studies on ADPKD (experimental dataset) by two independent operators (expert and beginner), twice, using all of the available methods: polyline manual tracing (reference method), free-hand manual tracing, semi-automatic tracing, Stereology, Mid-slice and Ellipsoid method...
2017: PloS One
https://www.readbyqxmd.com/read/28523000/mast-cells-and-mcpt4-chymase-promote-renal-impairment-after-partial-ureteral-obstruction
#5
Maguelonne Pons, Liza Ali, Walid Beghdadi, Luca Danelli, Marianne Alison, Lydia Celia Madjène, Jessica Calvo, Julien Claver, Shamila Vibhushan, Magnus Åbrink, Gunnar Pejler, Marie-Laurence Poli-Mérol, Michel Peuchmaur, Alaa El Ghoneimi, Ulrich Blank
Obstructive nephropathy constitutes a major cause of pediatric renal progressive disease. The mechanisms leading to disease progression are still poorly understood. Kidney fibrotic lesions are reproduced using a model of partial unilateral ureteral obstruction (pUUO) in newborn mice. Based on data showing significant mast cell (MC) infiltration in patients, we investigated the role of MC and murine MCPT4, a MC-released chymase, in pUUO using MC- (W(sh/sh)), MCPT4-deficient (Mcpt4(-/-)), and wild-type (WT) mice...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28487344/relation-between-kidney-length-and-cardiovascular-and-renal-risk-in-high-risk-patients
#6
Nicolette G C van der Sande, Frank L J Visseren, Yolanda van der Graaf, Hendrik M Nathoe, Gert Jan de Borst, Tim Leiner, Peter J Blankestijn
BACKGROUND AND OBJECTIVES: Kidney length is often measured during routine abdominal ultrasonography and may be of use to identify patients at high vascular and renal risk. We aimed to explore patient characteristics related to kidney length, from which reference values were derived, and evaluate the relationship between kidney length and the risk of cardiovascular events and ESRD in high-risk patients. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: The study population consisted of 10,251 patients with clinical manifest arterial disease or vascular risk factors included in the Second Manifestations of ARTerial disease (SMART) Study cohort between 1996 and 2014...
June 7, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28407281/multiparametric-quantitative-ultrasound-imaging-in-assessment-of-chronic-kidney-disease
#7
Jing Gao, Alan Perlman, Safa Kalache, Nathaniel Berman, Surya Seshan, Steven Salvatore, Lindsey Smith, Natasha Wehrli, Levi Waldron, Hanish Kodali, James Chevalier
OBJECTIVES: To evaluate the value of multiparametric quantitative ultrasound imaging in assessing chronic kidney disease (CKD) using kidney biopsy pathologic findings as reference standards. METHODS: We prospectively measured multiparametric quantitative ultrasound markers with grayscale, spectral Doppler, and acoustic radiation force impulse imaging in 25 patients with CKD before kidney biopsy and 10 healthy volunteers. Based on all pathologic (glomerulosclerosis, interstitial fibrosis/tubular atrophy, arteriosclerosis, and edema) scores, the patients with CKD were classified into mild (no grade 3 and <2 of grade 2) and moderate to severe (at least 2 of grade 2 or 1 of grade 3) CKD groups...
April 13, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28159435/initial-experience-using-a-telerobotic-ultrasound-system-for-adult-abdominal-sonography
#8
Scott J Adams, Brent E Burbridge, Andreea Badea, Leanne Langford, Vincent Vergara, Rhonda Bryce, Luis Bustamante, Ivar M Mendez, Paul S Babyn
PURPOSE: The study sought to assess the feasibility of performing adult abdominal examinations using a telerobotic ultrasound system in which radiologists or sonographers can control fine movements of a transducer and all ultrasound settings from a remote location. METHODS: Eighteen patients prospectively underwent a conventional sonography examination (using EPIQ 5 [Philips] or LOGIQ E9 [GE Healthcare]) followed by a telerobotic sonography examination (using the MELODY System [AdEchoTech] and SonixTablet [BK Ultrasound]) according to a standardized abdominal imaging protocol...
August 2017: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/28121180/high-ratios-of-kidney-function-to-kidney-size-are-related-to-mortality-and-kidney-function-decline-in-high-risk-patients
#9
Nicolette Gc van der Sande, Peter J Blankestijn, Tim Leiner, Yolanda van der Graaf, Gert Jan de Borst, Maarten Jm Cramer, Frank Lj Visseren
Background The ratio of estimated glomerular filtration rate (eGFR) to kidney size reflects the kidney's capacity for filtration per kidney volume or kidney length. High ratios of eGFR to kidney size, which might indicate glomerular hyperfiltration, could be related to kidney function decline, cardiovascular disease and mortality. Methods In 6926 patients with clinically manifest vascular disease, we evaluated the relationship between eGFR/kidney size and the risk of cardiovascular events and all-cause mortality using Cox regression...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28115515/does-extremely-low-birth-weight-predispose-to-low-renin-hypertension
#10
Anke Raaijmakers, Zhen-Yu Zhang, Jolien Claessens, Nicholas Cauwenberghs, Theun Pieter van Tienoven, Fang-Fei Wei, Lotte Jacobs, Elena Levtchenko, Steven Pauwels, Tatiana Kuznetsova, Karel Allegaert, Jan A Staessen
Low birth weight and prematurity are risk factors for hypertension in adulthood. Few studies in preterm or full-term born children reported on plasma renin activity (PRA). We tested the hypothesis that renin might modulate the incidence of hypertension associated with prematurity. We enrolled 93 prematurely born children with birth weight <1000 g and 87 healthy controls born at term, who were all examined at ≈11 years. Renal length and glomerular filtration rate derived from serum cystatin C were 0.28 cm (95% confidence interval, 0...
March 2017: Hypertension
https://www.readbyqxmd.com/read/27796695/role-of-ultrasonographic-chronic-kidney-disease-score-in-the-assessment-of-chronic-kidney-disease
#11
Mustafa Yaprak, Özgür Çakır, Mehmet Nuri Turan, Ramazan Dayanan, Selçuk Akın, Elif Değirmen, Mustafa Yıldırım, Faruk Turgut
PURPOSE: Ultrasonography (US) is an inexpensive, noninvasive and easy imaging procedure to comment on the kidney disease. Data are limited about the relation between estimated glomerular filtration rate (e-GFR) and all 3 renal US parameters, including kidney length, parenchymal thickness and parenchymal echogenicity, in chronic kidney disease (CKD). In this study, we aimed to investigate the association between e-GFR and ultrasonographic CKD score calculated via these ultrasonographic parameters...
January 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/27734512/prenatal-compensatory-renal-growth-in-unilateral-renal-agenesis
#12
Sharon Perlman, Dani Lotan, Benjamin Dekel, Zvi Kivilevitch, Yinon Hazan, Reuven Achiron, Yinon Gilboa
OBJECTIVE: To create nomograms of fetal renal compensatory growth in cases of unilateral renal agenesis (URA). METHODS: A retrospective study of fetuses with isolated URA diagnosed prenatally, and confirmed postnatal was performed. RESULTS: Seventy-four fetuses with isolated solitary kidney were included in the study. A total of 134 measurements of the kidney's length were performed. Ninety five of them were studied longitudinally (2-6 measurements each)...
November 2016: Prenatal Diagnosis
https://www.readbyqxmd.com/read/27594274/reestablishment-of-radiographic-kidney-size-in-miniature-schnauzer-dogs
#13
Jungmin Sohn, Sookyung Yun, Jeosoon Lee, Dongwoo Chang, Mincheol Choi, Junghee Yoon
Kidney size may be altered in renal diseases, and the detection of kidney size alteration has diagnostic and prognostic values. We hypothesized that radiographic kidney size, the kidney length to the second lumbar vertebra (L2) length ratio, in normal Miniature Schnauzer dogs may be overestimated due to their shorter vertebral length. This study was conducted to evaluate radiographic and ultrasonographic kidney size and L2 length in clinically normal Miniature Schnauzers and other dog breeds to evaluate the effect of vertebral length on radiographic kidney size and to reestablish radiographic kidney size in normal Miniature Schnauzers...
January 10, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/27593681/ultrasonographic-evaluation-of-the-renal-dimensions-in-captive-tigers
#14
Somkiat Huaijantug, Komsan Manatpreprem, Sukhumarn Manatpreprem, Paranee Yatmark
Ultrasonographic measurements of kidney size are useful in the practical diagnosis of kidney diseases in animals. In tigers, there is a lack of information regarding the ultrasonography methods used to measure the kidney size of the tiger. Thirty-three healthy captive tigers (Panthera tigris) were placed in lateral recumbency for ultrasonography. The measurements obtained from the ultrasonography were computed, and the results showed that there was a statistically significant difference between genders in terms of body weight and renal length...
January 10, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/27423276/sonographic-assessment-of-the-normal-dimensions-of-liver-spleen-and-kidney-in-healthy-children-at-tertiary-care-hospital
#15
N B Thapa, S Shah, A Pradhan, K Rijal, A Pradhan, S Basnet
Background Ultrasonography is one of the most common imaging modality to measure dimensions of visceral organs in children. However, the normal limit of size of visceral organs according to age and body habitus has not been specified in the standard textbooks. This might result in under detection of organomegaly in pediatrics population. Objective The objective of this study was to determine the normal range of dimensions for the liver, spleen, and kidney in healthy children. Method This is prospective cross-sectional, hospital-based study done at Tertiary-care teaching hospital...
October 2015: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/27366007/sonographic-growth-charts-for-kidney-length-in-normal-korean-children-a-prospective-observational-study
#16
Min-Su Oh, Geol Hwang, Sanghoon Han, Hyun Sik Kang, Seung Hyo Kim, Young Don Kim, Ki-Soo Kang, Kyung-Sue Shin, Mu Sook Lee, Guk Myung Choi, Kyoung Hee Han
Kidney length is the most useful parameter for clinical measurement of kidney size, and is useful to distinguish acute kidney injury from chronic kidney disease. In this prospective observational study of 437 normal children aged between 0 and < 13 years, kidney length was measured using sonography. There were good correlations between kidney length and somatic values, including age, weight, height, and body surface area. The rapid growth of height during the first 2 years of life was intimately associated with a similar increase in kidney length, suggesting that height should be considered an important factor correlating with kidney length...
July 2016: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/27345378/acute-renal-artery-occlusion-presentation-treatment-and-outcome
#17
COMPARATIVE STUDY
Daniel Silverberg, Tehillah Menes, Uri Rimon, Ophira Salomon, Moshe Halak
OBJECTIVE: Acute renal artery occlusion is an uncommon disease requiring rapid diagnosis for prevention of kidney loss or permanent kidney damage. The purpose of this study was to identify patients with acute kidney infarction; to characterize their presentation, imaging, and treatment; and to compare the subgroup of patients who underwent catheter-directed thrombolysis (CDT) with those who were treated without intervention. METHODS: Hospital records between 2005 and 2015 were queried for keywords suggestive of kidney infarction...
October 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27307971/configuring-a-better-estimation-of-kidney-size-in-obese-children-and-adolescents
#18
Fahimeh Soheilipour, Fatemeh Jesmi, Nahid Rahimzadeh, Mohadeseh Pishgahroudsari, Fariba Almassinokian, Ali Mazaherinezhad
BACKGROUND: Obesity ignites numerous health and psychosocial problems and is associated with various comorbidities. Body mass index (BMI) is also independently associated with improved risk for numerous kidney disorders. As renal length is considered a vital parameter in the clinical assessment of renal patients, normal renal length has to be defined in accordance to BMI. OBJECTIVES: The aim of this study was to define normal kidney length in obese children, comparing ultrasound measurements of the kidney length in obese and non-obese children and adolescents, in order to reduce unnecessary evaluations for nephromegaly...
April 2016: Iranian Journal of Pediatrics
https://www.readbyqxmd.com/read/27221559/use-of-computed-tomography-assessed-kidney-length-to-predict-split-renal-gfr-in-living-kidney-donors
#19
François Gaillard, Patrik Pavlov, Anne-Marie Tissier, Benoit Harache, Dominique Eladari, Marc-Olivier Timsit, Catherine Fournier, Carine Léon, Chantal Hignette, Gérard Friedlander, Jean-Michel Correas, Pierre Weinmann, Arnaud Méjean, Pascal Houillier, Christophe Legendre, Marie Courbebaisse
OBJECTIVES: Screening of living kidney donors may require scintigraphy to split glomerular filtration rate (GFR). To determine the usefulness of computed tomography (CT) to split GFR, we compared scintigraphy-split GFR to CT-split GFR. We evaluated CT-split GFR as a screening test to detect scintigraphy-split GFR lower than 40 mL/min/1.73 m(2)/kidney. METHODS: This was a monocentric retrospective study on 346 potential living donors who had GFR measurement, renal scintigraphy, and CT...
February 2017: European Radiology
https://www.readbyqxmd.com/read/27194210/comparative-b-mode-and-doppler-renal-ultrasonography-with-histopathological-findings-in-dogs-positive-for-canine-visceral-leishmaniasis
#20
Pollyana Irene Baltazar, Laecio Da Silva Moura, Gerson Tavares Pessoa, Renan Paraguassu De Sá Rodrigues, Marina Pinto Sanches, Anaemilia Das Neves Diniz, Francisco Das Chagas Araújo Sousa, Porfírio Candanedo Guerra, Willams Costa Neves, Robson Fortes Giglio, Jacyara De Jesus Rosa Pereira Alves, Francisco De Assis Leite Souza, Juliana Fortes Vilarinho Braga, Flávio Ribeiro Alves
Morphological parameters and renal flow were assessed and measured in six clinically healthy dogs with negative serological and parasitological examinations for canine visceral leishmaniasis (CVL) and six dogs with CVL-positive serological and parasitological tests and asymptomatic condition of the disease. Kidney length and diameter were measured and compared with the aorta/kidney ratio. Alterations in flow were measured using the flow velocity (cm/s) and resistance index (RI). Renal function was assessed by serum biochemical examination (urea, creatine, total proteins, albumin, and globulin) and urinalysis...
July 2016: Microscopy Research and Technique
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