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Kidney ultrasonography

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https://www.readbyqxmd.com/read/29784431/-continuous-quadratus-lumborum-type-ii-block-in-partial-nephrectomy
#1
Rita Graça, Pilar Miguelez, José Miguel Cardoso, Miguel Sá, Joana Brandão, Célia Pinheiro, Duarte Machado
BACKGROUND AND OBJECTIVES: Quadratus lumborum block was first described in 2007 and currently there are descriptions of its achievement through four different injection points. This blockage provides abdominal wall and visceral analgesia, and one of its mechanisms is the dispersion of the local anesthetic into the paravertebral space. We describe the performance of a continuous quadratus lumborum type II block for postoperative analgesia in a partial nephrectomy. CASE REPORT: A 64-year-old woman, scheduled for partial left laparoscopic nephrectomy...
May 18, 2018: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/29779316/-the-necessity-of-artificial-kidney-seeper-in-the-ultrasonography-guided-percutaneous-nephrolithotomy-a-randomized-controlled-study
#2
J J Ye, Y Yang, H J Zhang, Y C Zheng, Y Pan, H Xie
Objective: To investigate the necessity of artificial kidney seeper which made through inserting a ureteral tube in the ureter to the ultrasonography-guided percutaneous nephrolithotomy (PCNL). Methods: This was a randomized prospective study. Patients who conformed to the inclusion and exclusion criteria were enrolled at Department of Urology, Frist Affiliated Hospital of Wenzhou Medical University from January 2016 to May 2017. Totally 291 patients were included in the study. Patients were randomly assigned into two groups (artificial kidney seeper group and non-artificial kidney seeper group) in different kidney seeper level (5 to <10 mm, 10 to 20 mm) respectively...
May 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29775449/-dodatkowa-t%C3%A4-tnica-nerkowa-przyczyn%C3%A4-skrajnego-wodonercza-u-5-letniego-ch%C3%A5-opca
#3
Grażyna Krzemień, Jarosław Sołtyski, Agnieszka Szmigielska, Stanisław Warchoł, Teresa Dudek-Warchoł, Aleksandra Jakimów-Kostrzewa
Hydronephrosis in children is most often due to an intrinsic ureteropelvic junction obstruction or by compression on ureter by accessory renal artery coming from the aorta to the lower pole of the kidney. AIM: The aim of study was to present a case with a late onset of hydronephrosis caused by accessory renal artery. CASE REPORT: 5-year old boy with a mild pyelectasia during first 10 months of age was admitted to hospital because of abdominal pain and vomiting. Abdominal ultrasound revealed a marked dilatation of the right pelvicalyceal system with renal pelvis measuring 23 mm in anterior-posterior (ap) diameter, enlargement of calyces to 10 mm and narrowed cortex to 5 mm...
April 23, 2018: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29766465/effects-of-fenoldopam-on-renal-blood-flow-in-hypertensive-chronic-kidney-disease
#4
Valentina Rovella, Michele Ferrannini, Manfredi Tesauro, Giulia Marrone, Andrea Busca, Roberto Sorge, Simone Manca di Villahermosa, Maurizio Casasco, Nicola Di Daniele, Annalisa Noce
BACKGROUND AND AIM: The synthetic drug fenoldopam mesylate (FM) may have a renoprotective role, and a "renal dose" of 0.1 µg/kg/min intravenous (IV) infusion of FM has been reported as able to increase renal blood flow without affecting systemic blood pressure. But conclusive data are still lacking. We aimed to investigate by color-Doppler ultrasonography the effects of IV administration of FM at this dosage in hypertensive chronic kidney disease (CKD) patients, and verify whether it may induce any systemic hemodynamic alteration...
May 15, 2018: Journal of Nephrology
https://www.readbyqxmd.com/read/29742697/giant-malignant-pheochromocytoma-in-an-elderly-patient-a-case-report
#5
Chengquan Ma, Erlin Sun, Bingxin Lu
RATIONALE: Malignant pheochromocytoma is a rare disease and surgical resection is the only curative treatment. PATIENT CONCERNS: An 81-year-old man of Chinese ethnicity was found to have a giant retroperitoneal tumor. DIAGNOSES: B-scan ultrasonography and CT scan presented a mass above the left kidney, measuring 13.5 × 10 .6 × 9.8 cm. Subsequent analysis of 24-h urinary catecholamines and vanillylmandelic acid, as well as of blood catecholamines and blood cortisol, showed no elevated levels...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29739707/non-alcoholic-fatty-liver-disease-and-increased-risk-of-all-cause-mortality-in-elderly-patients-admitted-for-acute-heart-failure
#6
Filippo Valbusa, Davide Agnoletti, Luca Scala, Cristina Grillo, Pietro Arduini, Stefano Bonapace, Stefano Calabria, Giuliana Scaturro, Alessandro Mantovani, Giacomo Zoppini, Emanuela Turcato, Aldo Pietro Maggioni, Guido Arcaro, Giovanni Targher
BACKGROUND: Nonalcoholic fatty liver disease (NAFLD) is an emerging risk factor for incident heart failure (HF). It is currently unknown whether NAFLD predicts all-cause mortality in patients admitted for acute HF. We aimed to assess whether NAFLD and its severity (diagnosed by ultrasonography and non-invasive fibrosis biomarkers) were associated with increased all-cause mortality in this particularly high-risk patient population. METHODS: We studied 264 elderly patients, who were consecutively admitted for acute HF to the hospital between years 2013 and 2015, after excluding those with acute myocardial infarction, severe valvular heart diseases, kidney failure, cancer, cirrhosis of any etiology or known chronic liver diseases...
May 2, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29738030/renal-oncocytoma-in-a-kidney-transplant-patient-the-imaging-features-on-contrast-enhanced-ultrasonography-ceus-a-case-report
#7
Lucia Alejandra Alfaro Villanueva, Maira Knust, Leonardo Quintella, José Hermógenes R Suassuna, Nordeval C Araújo
Renal oncocytoma is an infrequently reported renal neoplasm, often asymptomatic, which usually behaves as a benign entity and is identified accidentally on radiological imaging. Transplant patients under long-term immunosuppressive drugs have a high prevalence of cancers, such as skin cancers, lymphoproliferative disorders, and renal carcinomas. We present a case report of an asymptomatic renal oncocytoma in a kidney transplant recipient presenting persistent hematuria. The features of computed tomography and contrast-enhanced ultrasound (CEUS) are presented...
April 19, 2018: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29729361/predictor-role-of-pre-treatment-resistive-and-pulsatile-indexes-in-success-of-medical-expulsive-therapy-of-ureteral-stones
#8
Güven Erbay, Ahmet Yalçın, Mehmet HamzaGültekin
OBJECTIVE: To investigate the role of renal resistive and pulsatile index levels measured with renal Doppler ultrasonography in predicting the success of medical expulsive treatment in patients with ureteral stones. MATERIAL AND METHODS: The patients admitted to our clinic between January and December 2017 with a ureteral stone of less than 1 cm in diameter were evaluated in terms of their resistive and pulsatile indices obtained using Doppler ultrasonography, and the localization and diameter of their stone and grade of hydronephrosis using computed tomography at the time of admission...
May 2, 2018: Urology
https://www.readbyqxmd.com/read/29728991/increased-risk-of-kidney-damage-among-chinese-adults-with-simple-renal-cyst
#9
Xianglei Kong, Xiaojing Ma, Chengyin Zhang, Hong Su, Xiaojie Gong, Dongmei Xu
BACKGROUND: The presence of simple renal cyst (SRC) has been related to hypertension, the early and long-term allograft function, and aortic disease, but the relationship with kidney damage was still controversial. Accordingly, we conducted a large sample cross-sectional study to explore the association of SRC with indicators of kidney damage among Chinese adults. METHODS: A total of 42,369 adults (aged 45.8 ± 13.67 years, 70.6% males) who visited the Health Checkup Clinic were consecutively enrolled...
May 4, 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29723675/retroperitoneal-laparoscopic-nephron-sparing-surgery-for-large-renal-angiomyolipoma-our-technique-and-experience-a-case-series-of-41-patients
#10
Xin Liu, Xin Ma, Qiming Liu, Qingbo Huang, Xintao Li, Baojun Wang, Hongzhao Li, Xu Zhang
OBJECTIVES: To introduce a 'kidney priority' strategy in treating large renal angiomyolipoma (RAML) with retroperitoneal laparoscopic nephron sparing surgery (RLNSS). PATIENTS AND METHODS: From 2010 to 2017, 41 patients with large RAML underwent RLNSS. Distinguished from the standard practice, the kidney was preferentially mobilized and separated from the RAML. Subsequently, it was reconstructed. Finally, the RAML was resected from the perinephric fat. The perioperative variables, surgical technique and complications were reviewed...
April 30, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29718370/pediatric-inflammatory-bowel-diseases-should-we-be-looking-for-kidney-abnormalities
#11
Didde Lauritzen, Bente Utoft Andreassen, Niels Henrik H Heegaard, Lone Gabriels Klinge, Anne-Mette Walsted, Mette Neland, Rasmus Gaardskær Nielsen, Per Wittenhagen
Background: Kidney disease has been reported in adults with inflammatory bowel disease (IBD) and is regarded an extraintestinal manifestation or more rarely a side effect of the medical treatment. Methods: In this cross-sectional study we describe the extent of kidney pathology in a cohort of 56 children with IBD. Blood and urine samples were analyzed for markers of kidney disease and ultrasonography was performed to evaluate pole-to-pole kidney length. Results: We found that 25% of the patients had either previously reported kidney disease or ultrasonographic signs of chronic kidney disease...
April 26, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29706453/calyceal-diverticula-in-children-imaging-findings-and-presentations
#12
Y Ochoa Santiago, C Sangüesa Nebot, S Picó Aliaga, A Serrano Durbá, P Ortega López
A calyceal diverticulum consists of a cystic eventration in the renal parenchyma that is lined with transitional cell epithelium with a narrow infundibular connection with the calyces or pelvis of the renal collector system; thus, the term pyelocalyceal diverticulum would be more accurate. Very rare in pediatric patients, calyceal diverticula can be symptomatic and require treatment. Calyceal diverticula are underdiagnosed because they can be mistaken for simple renal cysts on ultrasonography. To determine the approach to their follow-up and management, the diagnosis must be confirmed by excretory-phase computed tomography (CT) or magnetic resonance imaging (MRI)...
April 26, 2018: Radiología
https://www.readbyqxmd.com/read/29703027/multimodality-imaging-features-treatment-and-prognosis-of-post-transplant-lymphoproliferative-disorder-in-renal-allografts-a-case-report-and-literature-review
#13
Jianming Li, Yujiang Liu, Zhenchang Wang, Xiangdong Hu, Ruifang Xu, Linxue Qian
RATIONALE: Among patients with post-transplant lymphoproliferative disorder (PTLD), there is a high incidence of immunosuppressed transplant recipients. It is necessary to make an early diagnosis to increase the likelihood of a good prognosis. PATIENT CONCERNS: We report a case of a 54-year-old female patient who developed PTLD after liver and kidney transplantation. DIAGNOSES: We aimed to analyze the standard diagnosis and follow-up of PTLD with imaging...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29700572/long-term-effects-of-anatrophic-nephrolithotomy-on-selective-renal-function
#14
Ahmed R El-Nahas, Amr A Elsawy, Ahmed Abdelhalim, Mohamed M Elsaadany, Yasser Osman
To evaluate the long-term changes of selective renal function after anatrophic nephrolithotomy (ANL). A retrospective study was conducted for patients who underwent ANL between January 1995 and December 2016. Inclusion criteria were availability of preoperative and follow-up (1 year or more) radio-isotopic renal scans. Stone-free status was evaluated after 1 month with KUB and ultrasonography or NCCT. Renal isotope scans using 99mTc MAG3 were performed to measure the changes in selective function of the affected kidney (GFR%)...
April 26, 2018: Urolithiasis
https://www.readbyqxmd.com/read/29697354/comparison-between-bipolar-lymphatic-vessels-cautery-and-suture-ligature-in-prevention-of-postrenal-transplant-lymphocele-formation-a-randomized-controlled-trial
#15
Nasser Simforoosh, Ali Tabibi, Hamed Mohseni Rad, Hamid Reza Gholamrezaie
OBJECTIVES: In this randomized controlled trial, our aim was to compare bipolar cautery of lymphatic vessels with standard silk-tie ligation in renal transplant procedures for prevention of lymphocele formation. MATERIALS AND METHODS: Sixty end-stage renal disease patients were enrolled in a prospective randomized controlled trial. The mean age of recipients in the suture ligature group was 41.6 years (range, 6-65 years) and 40.9 years in the bipolar cautery group...
April 26, 2018: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29692689/evaluation-of-deceased-kidney-donors-for-renal-stone-disease-is-computed-tomography-needed
#16
REVIEW
Senol Tonyali, Ahmet M Aydin
Objective: To investigate the clinical consequences of neglected risk of urolithiasis in deceased kidney donors in routine clinical practice, this study focused on different management options for transplanted allograft stones, and tried to find new solutions for more accurate detection of urolithiasis in deceased kidney donors prior to renal transplantation. Methods and Results: The overall prevalence of stone disease in endemic countries is between 7 and 29%. Because of the increased risk for stone disease in epidemic countries, screening renal grafts from deceased donors necessitates more sensitive imaging tests...
March 2018: Current Urology
https://www.readbyqxmd.com/read/29691759/contrast-enhanced-ultrasonography-in-chronic-glomerulonephritides-correlation-with-histological-parameters-of-disease-activity
#17
Manuela Nestola, Nicoletta De Matthaeis, Pietro Manuel Ferraro, Paola Fuso, Stefano Costanzi, Gian Franco Zannoni, Fabrizio Pizzolante, Sabina Vasquez Quadra, Giovanni Gambaro, Gian Ludovico Rapaccini
PURPOSE: To compare contrast-enhanced ultrasonography (CEUS)-derived time-intensity (TI) curves with histological findings in kidneys of patients affected by chronic glomerulonephritides (GN) in the early stage of disease. METHODS: Research ethics committee approval and patient written informed consent were obtained. Thirty-one patients who showed clinical and laboratory signs of GN, with preserved renal function, were consecutively enrolled. They underwent kidney CEUS, from which TI curves were obtained, and kidney biopsy...
April 24, 2018: Journal of Ultrasound
https://www.readbyqxmd.com/read/29684947/-a-case-of-solitary-metastasis-of-renal-cell-carcinoma-to-the-thyroid-gland
#18
Yuki Yokoi, Kengo Yasuda, Hideyuki Terao, Shinpei Sugiura, Kazuo Kitami, Yuzo Minegishi, Shunichi Gondo
A case of solitary metastasis of renal cell carcinoma to the thyroid gland is presented. The patient was a 82-year-old man found to have an abnormal mass in his neck. He had a past history of renal clear cell carcinoma of the left kidney (pT1aN0M0, G1>2, alveolar type, clear cell subtype), which had been resected 12 years previously. Ultrasonography revealed a tumor mass in the right hemithyroid gland. This time fine needle biopsy of the thyroid tumor suggested metastatic thyroid carcinoma. Right hemithyroidectomy was performed last year...
February 2018: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/29684655/effect-of-fluid-challenge-on-renal-resistive-index-after-major-orthopaedic-surgery-a-prospective-observational-study-using-doppler-ultrasonography
#19
Fabrice Ferré, Philippe Marty, Cédric Folcher, Matt Kurrek, Vincent Minville
BACKGROUND: A postoperative renal resistive index (RRI) > 0.70 has the best threshold to early predict acute kidney injury (AKI). The response of RRI to a postoperative fluid challenge (FC) is unknown. The aim of our study was to assess the impact of a FC on RRI in suspected hypovolaemia patients after orthopaedic surgery. DESIGN: In this single-centre observational study, we prospectively screened 156 patients in the recovery room after having undergone a hip or knee replacement...
April 20, 2018: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/29682133/autosomal-dominant-polycystic-kidney-disease-a-potential-mistake-in-the-interpretation-of-radioiodine-whole-body-scintigraphy
#20
Leila Kalhor
There are a few case reports of renal cysts demonstrating radioiodine uptake on scintigraphy. In this case, we report a 49-year-old man who had undergone total thyroidectomy and had been treated with radioiodine. After conventional levothyroxine withdrawal, the patient underwent thyroid remnant ablation by oral administration of 125 mci 131 I. Seven days later, post-therapy whole-body scan demonstrated thyroid remnant tissue and bilaterally multifocal radioiodine uptake in the upper abdomen. By ultrasonography and abdominal computed tomography scan, the iodine uptake was proven to be due to the accumulation of 131 I in bilateral polycystic kidney disease...
April 2018: Radiology Case Reports
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