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Kidney ultrasonography

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https://www.readbyqxmd.com/read/28525662/imaging-technologies-in-the-diagnosis-and-treatment-of-acute-pyelonephritis
#1
Dmitry V Enikeev, Petr Glybochko, Yuriy Alyaev, Mikhail Enikeev, Leonid Rapoport
PURPOSE: The aim of this study was to evaluate the possibilities of ultrasound, computed tomography (CT) and magnetic resonance imaging (MRI) in diagnosing acute pyelonephritis (AP) and renal abscess. PATIENTS AND METHODS: Two hundred and seven patients with AP were followed up from 2010 throughout 2015. All the patients were divided into three groups. Group 1 included 113 (54.6%) patients with acute nonobstructive pyelonephritis; group 2 included 33 (15.9%) patients with acute obstructive pyelonephritis; and group 3 included 61 (29...
May 18, 2017: Urologia
https://www.readbyqxmd.com/read/28523029/evaluation-of-caspase-3-enzyme-and-tnf-alpha-as-biomarkers-in-ureteropelvic-junction-obstruction-in-children-a-preliminary-report
#2
Mehdi Shirazi, Ali Eslahi, Vahidreza Sharifi, Fatemeh Rahimi, Alireza Safarpour
OBJECTIVE: To determine the applicability of urinary caspase 3 enzyme and TNF-α as biomarkers in children with ureteropelvic junction obstruction (UPJO). METHODS: In this study, 31 unilateral UPJO patients and 33 age- and sex-matched healthy childrens were enrolled. The patients with UPJO consisted of 11 female and 20 male children between the ages of 2 to 62 months old. All participants were evaluated regarding anterior-posterior(AP) diameter and cortical thickness of affected kidney by ultrasonography...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28509119/serial-sonographic-findings-during-progression-from-acute-pyelonephritis-to-renal-abscess-a-rare-case-report
#3
Masayuki Sato, Shigeru Suzuki, Sorachi Shimada, Shiho Yamamoto, Genya Taketazu, Tokuo Mukai, Mio Taketazu, Hiroshi Sakata, Junichi Oki
Renal abscess, accumulation of infective fluid in the kidney, is a rare pathology. Currently, no reports of the serial imaging changes of acute pyelonephritis (APN) progressing to renal abscess exist. We report clinical and serial sonographic findings of a patient with hyper-immunoglobulin E syndrome, a primary immunodeficiency, who developed APN that progressed to renal abscess. Renal ultrasonography revealed that echogenicity of infectious lesions dramatically changed from isoechoic to hyperechoic and to hypoechoic during progression...
September 24, 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28506039/plasma-d-dimer-can-effectively-predict-the-prospective-occurrence-of-ascites-in-advanced-schistosomiasis-japonica-patients
#4
Xiaoying Wu, Jianwei Ren, Zulu Gao, Yun Xu, Huiqun Xie, Tingfang Li, Yanhua Cheng, Fei Hu, Hongyun Liu, Zhihong Gong, Jinyi Liang, Jia Shen, Zhen Liu, Feng Wu, Xi Sun, Zhongzheng Niu, An Ning
China still has more than 30,000 patients of advanced schistosomiasis while new cases being reported consistently. D-dimer is a fibrin degradation product. As ascites being the dominating symptom in advanced schistosomiasis, the present study aimed to explore a prediction model of ascites with D-dimer and other clinical easy-achievable indicators. A case-control study nested in a prospective cohort was conducted in schistosomiasis-endemic area of southern China. A total of 291 patients of advanced schistosomiasis were first investigated in 2013 and further followed in 2014...
April 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28501283/assessment-of-annexin-a5-and-annexin-a2-levels-as-biomarkers-for-pre-eclampsia-a-pilot-study
#5
Marwa Abd El-Latif, Hanan Azzam, Maha Othman, Osama Warda, Solafa El-Sharawy, Hayam Ghoneim
Deficient anticoagulant activity of annexin A5 and deficient profibrinolytic activity of annexin A2 have been linked to increased risk of thrombotic events. Placental dysfunction due to fibrin deposition/microthrombi has been implicated in the pathogenesis of pre-eclampsia (PE). In this study, we aimed to assess serum levels of annexin A5 and annexin A2 in a cohort of PE patients and investigate their role as biomarkers for the development of the disease. We examined 80 women in total; 40 healthy pregnant women and 40 pregnant women with PE after 20weeks of pregnancy...
April 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/28491452/renal-oncocytoma-in-a-cat-with-chronic-renal-failure
#6
Sora Lee, Hyun-Ji Choi, Han-Byul Lee, Sung-Min Jo, Ji-Hye Mun, Woo-Chan Son
CASE SUMMARY: A 9-year-old male neutered domestic shorthair cat presented with anorexia. Ultrasonography showed an irregularly shaped hypoechoic mass in the cranial pole of the right kidney. Ultrasound-guided fine-needle aspiration of the renal mass was performed. Cytology revealed moderate cellularity smears composed of epithelial cell clusters, which consisted of an exclusive population of oncocytic cells seen in sheets and papillary clusters along with abundant single cells. A moderate-to-abundant amount of densely stained granular cytoplasm with round nuclei and indistinct nucleoli was seen...
January 2017: JFMS Open Rep
https://www.readbyqxmd.com/read/28487344/relation-between-kidney-length-and-cardiovascular-and-renal-risk-in-high-risk-patients
#7
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...
May 9, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28469738/herlyn-werner-wunderlich-syndrome-sonographic-and-magnetic-resonance-mr-imaging-findings-of-this-rare-urogenital-anomaly
#8
Sukriye Yilmaz, Adalet Elcin Yildiz, Suat Fitoz
BACKGROUND: Herlyn-Werner-Wunderlich syndrome is a rare congenital urogenital anomaly characterised by uterus didelphys with blind hemivagina and ipsilateral renal agenesis. Children usually have progressive pelvic pain after menarche, palpable mass due to hemihaemato(metro)colpos or pelvic inflammatory disease. The diagnosis usually requires a suspicion of this rare genitourinary syndrome. CASE REPORTS: We present ultrasonography and MR imaging findings of this rare anomaly in two cases...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28467143/contrast-enhanced-us-assisted-percutaneous-nephrostomy-a-technique-to-increase-success-rate-for-patients-with-nondilated-renal-collecting-system
#9
Bao X Liu, Guang L Huang, Xiao H Xie, Bo W Zhuang, Xiao Y Xie, Ming D Lu
Purpose To perform a single-center study of contrast material-enhanced ultrasonography (US)-assisted percutaneous nephrostomy (PCN) for patients with nondilated renal collecting system. Materials and Methods An international review board approved this retrospective study with waiver of informed consent for participation, and the study was approved by the Ethical Committee. From November 2011 to September 2015, 47 patients (mean age, 51.9 years ± 16.2 [standard deviation]; range, 18-80 years) with clinical necessity of urinary drainage, urinary diversion, or provision of access to the collecting system and with nondilated renal collecting system who underwent contrast-enhanced US-assisted PCN for 48 kidneys were included...
May 3, 2017: Radiology
https://www.readbyqxmd.com/read/28457423/mycotic-pseudoaneurysm-after-kidney-transplantation-two-case-reports
#10
A Ministro, T Ferreira, L Batista, A Santana, N Alves, J Guerra, J Fernandes E Fernandes
BACKGROUND: Vascular complications after kidney transplantation may cause allograft loss. Here, we describe 2 patients with extrarenal mycotic pseudoaneurysm after kidney transplantation. PATIENTS: Patient 1 was a 54-year-old man who developed pseudoaneurysm 60 days after transplantation, and patient 2 was a 48-year-old woman who was diagnosed with a pseudoaneurysm 5 months after transplantation. RESULTS: Patient 1 had a deceased-donor kidney transplant with end-to-side external iliac arterial anastomosis that was reconstructed 8 days after transplantation owing to rupture and major bleeding...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28440349/cyst-to-kidney-volume-ratio-in-the-sonographic-diagnosis-of-unilateral-multicystic-dysplastic-kidney-in-children
#11
Sevin Ayaz, Alper Dilli, Salih Sinan Gültekin, Ümit Yaşar Ayaz
AIMS: To evaluate the usefulness of the cyst-to-kidney volume ratio determined by ultrasonography (US) in unilateral multicystic dysplastic kidney (MCDK) in children. MATERIAL AND METHODS: Our study group included 21 children (average age: 431 days) with unilateral MCDK and 22 children (average age: 440 days) with unilateral grade IV hydronephrosis due to ureteropelvic junction obstruction as the control group. All the children underwent transabdominal US. In children with MCDK, we calculated cyst-to-kidney volume ratios (volume of the largest cyst/volume of the MCDK) and in the control group the volume ratios of the renal pelvis and the largest calyx (volume of the pelvis or largest calyx/volume of the ipsilateral hydronephrotic kidney)...
April 22, 2017: Medical Ultrasonography
https://www.readbyqxmd.com/read/28433983/pulmonary-metastasis-from-renal-epithelioid-angiomyolipoma-in-the-setting-of-breast-cancer
#12
Eoin MacCraith, Aoife McCarthy, Niall Swan, David Quinlan
A 68-year-old woman presented with visible haematuria. Ultrasonography and triphasic CT revealed a 2.6 cm mass in the lower pole of the left kidney. A biopsy suggested low-grade renal cell carcinoma. Radical nephrectomy was performed and revealed an epithelioid angiomyolipoma. At year 3, the patient developed ductal carcinoma of the right breast and underwent a wide local excision and sentinel lymph node biopsy followed by chemotherapy and radiotherapy. 4 months later, she was noted to have a 1.6 cm nodule in the middle lobe of her right lung...
April 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28432606/neuromuscular-electrostimulation-a-new-therapeutic-option-to-improve-radio-cephalic-arteriovenous-fistula-maturation-in-end-stage-chronic-kidney-disease-patients
#13
Lucia Martinez, Vicent Esteve, Montserrat Yeste, Vicent Artigas, Secundino Llagostera
BACKGROUND: Radio-cephalic arteriovenous fistula (RCAVF) is the gold standard vascular access for end-stage chronic kidney disease patients. Exercises after arteriovenous fistula (AVF) creation improve maturation. No articles are published regarding neuromuscular electrostimulation (NMES) in AVF maturation. OBJECTIVES: To assess the usefulness of a NMES programme on RCAVF maturation process. METHODS: An 8-week single-centre prospective study...
April 21, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28428332/education-in-nephrology-fellowship-a-survey-based-needs-assessment
#14
Robert W Rope, Kurtis A Pivert, Mark G Parker, Stephen M Sozio, Sylvia Bereknyei Merell
Educational needs assessments for nephrology fellowship training are limited. This study assessed fellows' perceptions of current educational needs and interest in novel modalities that may improve their educational experience and quantified educational resources used by programs and fellows. We distributed a seven-question electronic survey to all United States-based fellows receiving complimentary American Society of Nephrology (ASN) membership at the end of the 2015-2016 academic year in conjunction with the ASN Nephrology Fellows Survey...
April 20, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28420817/association-of-kidney-dysfunction-with-asymptomatic-cerebrovascular-abnormalities-in-a-japanese-population-with-health-checkups
#15
Kaori Hayashi, Michiyo Takayama, Takeshi Kanda, Kazuhiro Kashiwagi, Akihito Hishikawa, Yasushi Iwao, Hiroshi Itoh
BACKGROUND: Cerebrovascular disease is a major cause of mortality and morbidity. Chronic kidney disease (CKD) is prevalent in stroke patients. This study evaluated the correlation between kidney dysfunction and asymptomatic findings on carotid ultrasonography (US) and brain magnetic resonance imaging (MRI) in a Japanese population with health checkups.Methods and Results:In total, 1,716 subjects aged 40-80 years, who received health checkups from January 1 to December 31, 2015, were included...
April 14, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28416004/clinical-study-of-children-with-takayasu-arteritis-a-retrospective-study-from-a-single-center-in-china
#16
Ye Feng, Xuemei Tang, Mingyue Liu, Juan Zhou, Xiaodong Zhao, Qiu Li
BACKGROUND: Delayed diagnosis of childhood Takayasu arteritis (TA) is common due to its atypical symptoms. The objective of the present study was to summarize the clinical features of childhood TA to raise awareness and improve management. METHODS: Eleven children diagnosed with TA at our hospital were enrolled. Clinical information, diagnosis, treatment, and outcome were then examined retrospectively. The Pediatric Vasculitis Activity Score (PVAS) and the Indian Takayasu Clinical Activity Score (ITAS2010) were used to assess disease activity...
April 17, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28413666/renal-cell-carcinoma-presenting-as-a-simple-renal-cyst-a-case-report
#17
Yanlan Yu, Liang Ma, Zhenghui Wang, Zhigen Zhang
Cases of renal cell carcinoma (RCC) presenting as a simple cyst are extremely rare. We herein report the case of a patient with RCC diagnosed as a simple renal cyst preoperatively. A 39-year-old female patient presented with abdominal pain for 3 months. Ultrasonography and contrast-enhanced computed tomography revealed a simple cyst in the left kidney. The patient underwent laparoscopic decortication of the renal cyst. Biochemical analysis of the cystic fluid revealed unusually low levels of potassium, sodium, calcium and glucose, and the histological examination of the floor of the cyst indicated malignancy...
April 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28392998/resistive-index-as-a-predictor-of-renal-progression-in-patients-with-moderate-renal-dysfunction-regardless-of-angiotensin-converting-enzyme-inhibitor-or-angiotensin-receptor-antagonist-medication
#18
Jae Hoon Kim, Su Mi Lee, Young Ki Son, Seong Eun Kim, Won Suk An
BACKGROUND: Previous studies have shown that a higher resistive index (RI) on renal duplex ultrasonography was related with renal progression and acute kidney injury, especially in patients with chronic kidney disease (CKD) using an angiotensin converting enzyme inhibitor (ACEI) or angiotensin receptor antagonist (ARB). We evaluated whether a RI value is a predictive factor for renal progression regardless of ACEI or ARB medication in patients with moderate renal dysfunction. METHODS: We retrospectively analyzed 119 patients with moderate renal dysfunction that had been evaluated with renal duplex ultrasonography from February 2011 to April 2015...
March 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/28379021/-type-2-diabetes-mellitus-and-chronic-kidney-disease
#19
Peter Ponťuch
The number of type 2 diabetic patients is increasing world-wide and a prediction of prevalence of chronic kidney disease up to 2025 in European diabetic population is alarming. Albuminuria and estimated glomerular filtration rate are cardinal biochemical parameters in diagnostics of diabetic nephropathy. Following diagnostic methods are also used: renal ultrasonography, ophthalmoscopy and in not clarified cases renal biopsy. Long-term optimal glycemic control, efficient antihypertensive treatment by angiotensin converting enzyme inhibitor, or angiotensin receptor blocker and recommended protein intake is a cornerstone of therapy...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28377558/pentraxin-3-as-a-new-indicator-of-cardiovascular%C3%A2-related-death-in-patients-with-advanced-chronic-kidney-disease
#20
Marcin Krzanowski, Katarzyna Krzanowska, Mariusz Gajda, Paulina Dumnicka, Artur Dziewierz, Karolina Woziwodzka, Jan A Litwin, Władysław Sułowicz
INTRODUCTION    Pentraxin3 (PTX3) play an important role in the inflammatory response, taking part in recognizing pathogens and damaged tissues. OBJECTIVES    The aim of the study was to assess the relationship between PTX3 levels and all-cause and cardiovascular (CV) mortality in chronic kidney disease (CKD) patients during five-year observation period.  PATIENTS AND METHODS    The study comprised 78 patients (51 hemodialyzed, 27 predialysis). The examined parameters included PTX3, calcium, phosphate, iPTH, interleukin-6 (IL-6), fibroblast growth factor 23 (FGF-23), osteopontin (OPN), osteoprotegerin (OPG), osteocalcin (OC), osteopontin (OPN), osteoprotegerin (OPG), osteocalcin, tumor necrosis factor receptor II (TNF-R II), transforming growth factor-β (TGF-β), hepatocyte growth factor (HGF), stromal cell-derived factor α (SDF1α), and thrombomodulin (TM)...
February 27, 2017: Polish Archives of Internal Medicine
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