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Renal Ultrasound

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https://www.readbyqxmd.com/read/29345985/cyp3a-activity-and-rivaroxaban-serum-concentrations-in-russian-patients-with-deep-vein-thrombosis
#1
Dmitriy Alexeyevich Sychev, Arshak Vardanyan, Aleksandr Rozhkov, Edita Hachatryan, Ani Badanyan, Valery Smirnov, Anna Ananichuk, Natalya Denisenko
BACKGROUND: Rivaroxaban is metabolized in the liver via CYP3A4, the cytochrome involved in the metabolism of nearly 50% of all medications. Thus, its effective concentration depends on multiple pharmacologic parameters. METHODS: The primary goal of our research was to study the correlation between the CYP3A family activity and the safety and efficacy of anticoagulant therapy with rivaroxaban in patients with deep vein thrombosis (DVT). Thirty one patients with DVT aged 21-83 years, 18 men and 13 women, received rivaroxaban (Xarelto) 30 mg/day for 21 days after diagnosis and 20 mg/day for the follow-up period of 6 months...
January 2018: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/29342999/-risk-factors-analysis-and-prognosis-of-renal-pelvis-dilatation-in-high-risk-infants-in-monocenter
#2
Q Fu, L R Fan, Y Shen, G J Zhou, H Z Yi, N Sun, J M Wang, L Q Jia, X M Wang, H Wang
Objective: To explore the prognosis and risk factors of pyelectasis in high-risk infants. Methods: This was a retrospective study. Totally 960 high-risk infants, who accepted type B ultrasonic examination for fetus at 28th week of gestation and for newborns in 48 hours after birth, were included in the study in departments of obstetrics and eonatology, Shunyi Maternal and Children's Hospital of Beijing Children's Hospital during May 2012 to April 2013. The degree of pyelectasis was classified using Grignon grade and the paients were followed up for 3 years...
January 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29334930/safety-and-adequacy-of-percutaneous-kidney-biopsy-performed-by-nephrology-trainees
#3
Vittoria Esposito, Giulia Mazzon, Paola Baiardi, Massimo Torreggiani, Luca Semeraro, Davide Catucci, Marco Colucci, Alice Mariotto, Fabrizio Grosjean, Giacomo Bovio, Ciro Esposito
BACKGROUND: Recently there has been a progressive loss of specialty related skills for nephrologists. Among the skills we find the kidney biopsy that has a central role in diagnosis of renal parenchymal disease. One of the causes might be the belief that the kidney biopsy should be performed only in larger Centers which can rely on the presence of a renal pathologist and on nephrologists with a large experience. This trend may increase in the short term procedural safety but may limit the chance of in training nephrologists to become confident with the technique...
January 15, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29325432/risk-factors-for-primary-failure-of-metallic-ureteral-stents-experience-from-a-tertiary-center
#4
Jui-Shan Hsu, Chao-Yuan Huang, Kao-Lang Liu, Po-Ming Chow
INTRODUCTION: We provide primary patency rate of metallic ureteral stents in cancer patients and investigate the factors affecting primary patency. METHODS: All cancer patients who had received metallic stents for malignant ureteral obstruction between July 2009 and November 2012 in our institute were included. No patients were excluded. Patient profiles, imaging studies, and lab data were collected. Patient profiles included age, gender, body height, body weight, body mass index, cancer types, treatment for cancer, response to cancer treatment, methods of stent insertion, and prior ordinary stents...
January 12, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29324920/technetium-99m-dimercaptosuccinic-acid-renal-scintigraphy-can-guide-clinical-management-in-congenital-hydronephrosis
#5
Biljana Bazić-Đorović, Marija Radulović, Marija Šišić, Ljiljana Jauković, Sanja Dugonjić, Dragan Pucar, Zoran Janković, Slobodanka Beatović, Milica Janković, Zoran Krstić, Boris Ajdinović
OBJECTIVE: The purpose of this study was to evaluate damage of the kidney with technetium-99m-dimercaptosuccinic acid (99mTc-DMSA) scintigraphy in children with congenital hydronephrosis (CH) and the influence of other postnatal associated diagnoses on abnormal 99mTc-DMSA findings. SUBJECTS AND METHODS: 99mTc-DMSA scintigraphy in 54 children (17 girls and 37 boys), aged from 2 months to 5 years (median 11 months) with 66 congenital hydronephrotic renal units (RU) (42 unilateral hydronephrosis-29 boys and 13 girls; 12 bilateral hydronephrosis-8 boys and 4 girls) was performed...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324912/diuresis-renography-and-ultrasonography-in-children-with-antenatally-detected-hydronephrosis-can-support-diagnoses-and-suggest-related-surgery-treatment
#6
M Radulović, S Beatović, M Janković, Dragana Šobić-Šaranović, Vera Artiko, Boris Ajdinović
OBJECTIVE: Prenatal ultrasound (US) screening detects the hydronephrosis (HN)-dilatation of fetal renal collecting system in 1%-5% of all pregnancies. In most children, HN is detected by prenatal US screening between 18-20 gestational week. Pelvi- ureteric junction (PUJ) stenosis is the most common etiological factor of prenatal HN and requires postnatal follow-up. Diuresis renography plays important role in the follow-up by complementing morphological information obtained by US with the data about differential renal function (DRF) and drainage...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324634/point-of-care-ultrasound-evaluation-of-severe-renal-trauma-in-an-adolescent
#7
Jeremy M Root, Alyssa Abo, Joanna Cohen
Traumatic renal injuries are more common in pediatrics because of the relatively larger size of the kidneys in the pediatric patient. Although computerized tomography remains the criterion standard for the initial evaluation of blunt renal trauma, there is evidence that renal ultrasound may serve a role in postinjury surveillance. Here, we present a case in which point-of-care ultrasound was used to image severe blunt renal trauma in a 17-year-old adolescent boy. In this case, point-of-care ultrasound identified severely distorted renal parenchyma after a grade 5 renal laceration was identified on computerized tomography scan...
January 11, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29323077/epidermoid-cyst-of-the-renal-pelvis-masquerading-as-malignancy
#8
Dinesh Pradhan, Gabriela Quiroga-Garza, Ronald Hrebinko, Rajiv Dhir, Anil V Parwani
Epidermoid cyst of the renal pelvis is exceptionally rare. The histogenetic mechanism has not been well characterized. Herein, we report a case of intrarenal epidermoid cyst in a 62-year-old woman who had undergone left nephrolithotomy for a staghorn calculus. She was being followed up for bilateral renal cysts when a complex mass was noted arising from the lower pole of the left kidney. Renal ultrasound showed a small left kidney with a solid vascular echogenic mass. A laparoscopic radical nephrectomy was performed...
October 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29322017/clinical-profile-and-long-term-follow-up-of-32-patients-with-postoperative-permanent-hypoparathyroidism
#9
Leyre Lorente-Poch, Juan J Sancho, Leticia Carballo, Antonio Sitges-Serra
Background: Parathyroid failure is the most common complication after total thyroidectomy but permanent impairment of the parathyroid function is unusual. Limited data is available assessing long-term follow-up, quality of life and complications occurring in patients with permanent hypoparathyroidism (PH). We aimed to assess the incidence of complications derived from PH status, their influence on the quality of life perceived by PH patients and its relation to standard medical treatment with calcium salts and active vitamin D analogues...
December 2017: Gland Surgery
https://www.readbyqxmd.com/read/29320483/microarray-analysis-in-pregnancies-with-isolated-unilateral-kidney-agenesis
#10
Lena Sagi-Dain, Idit Maya, Peleg Amir, Reches Adi, Ehud Banne, Hagit N Baris, Tenne Tamar, Amihood Singer, Shay Ben-Shachar
OBJECTIVE: To examine the risk for submicroscopic chromosomal aberrations among fetuses with apparently isolated solitary kidney. METHODS: Data acquisition was performed retrospectively by searching Israeli Ministry of Health computerized database. All cases having chromosomal microarray analysis (CMA) referred due to an indication of isolated unilateral kidney agenesis between January 2013 and September 2016 were included. Rate of clinically significant CMA findings in these pregnancies was compared to pregnancies with normal ultrasound, based on a systematic review encompassing 9792 cases and local data of 5541 pregnancies undergoing CMA due to maternal request...
January 10, 2018: Pediatric Research
https://www.readbyqxmd.com/read/29319776/hypercalcemia-and-acute-renal-insufficiency-following-use-of-a-veterinary-supplement
#11
Marcelo Fernando Ronsoni, Heloisa de Cassia Dos Santos, Bruno da Silveira Colombo, Carina Gabriela Correa, Ana Paula Gomes Moritz, Marisa Helena Cesar Coral, Simone Van de Sande-Lee, Alexandre Hohl
A previously healthy 24 yo male presented with a two-month history of epigastric pain, nausea, vomiting, fatigue and malaise. He reported abuse of different substances, including an injectable veterinary vitamin compound, which contains high doses of vitamin A, D and E, and an oily vehicle that induces local edema and enhances muscle volume. Serum creatinine was 3.1 mg/dL, alanine transaminase 160 mg/dL, aspartate transaminase 11 mg/dL, total testosterone 23 ng/dL, 25-OH-vitamin D >150 ng/mL (toxicity >100), 1,25-OH-vitamin D 80 pg/mL, vitamin A 0...
October 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29319774/renal-artery-pseudoaneurysm
#12
Luiz Inácio Roman, Cauana Fabrício Efel, Victória Teles França, Carolina Meert Merten, Claus Dieter Dummer
The renal artery pseudoaneurysm embody a rare vascular complication coming of percutaneous procedures, renal biopsy, nephrectomy, penetrating traumas and more rarely blunt traumas. The clinical can be vary according the patient, the haematuria is the symptom more commom. Is necessary a high level of clinical suspicion for your diagnosis, this can be elucidated by through complementary exams as the eco-color Doppler and the computed tomography scan (CT). This report is a case of a patient submitted a right percutaneous renal biopsy and that, after the procedure started with macroscopic haematuria, urinary tenesmus and hypogastric pain...
October 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29319767/variables-associated-with-lung-congestion-as-assessed-by-chest-ultrasound-in-diabetics-undergoing-hemodialysis
#13
Paulo Roberto Santos, José Antonio de Lima Neto, Raimundo Aragão Aires Carneiro, Antônio Igor Taumaturgo Dias Soares, Wanessa Ribeiro de Oliveira, Juliana Oliveira Figueiredo, Narcélio Menezes Silva Filho, Thais Oliveira Silva
INTRODUCTION: Ultrasound is an emerging method for assessing lung congestion but is still seldom used. Lung congestion is an important risk of cardiac events and death in end-stage renal disease (ESRD) patients on hemodialysis (HD). OBJECTIVE: We investigated possible variables associated with lung congestion among diabetics with ESRD on HD, using chest ultrasound to detect extracellular lung water. METHODS: We studied 73 patients with diabetes as the primary cause of ESRD, undergoing regular HD...
October 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29319765/muscle-thickness-of-the-pectoralis-major-and-rectus-abdominis-and-level-of-physical-activity-in-chronic-hemodialysis-patients
#14
Aline Felicio Bueno, Fernando de Aguiar Lemos, Matheus Elias Ferrareze, William Antonio Martins Dos Santos, Francisco Veríssimo Veronese, Alexandre Simões Dias
INTRODUCTION: Patients on chronic hemodialysis tend to lose lean body mass and have sedentary behavior. OBJECTIVE: To compare the level of physical activity and the morphology of the muscles pectoralis major and rectus abdominis of patients on hemodialysis with healthy subjects. METHODS: We studied 17 patients and 17 healthy individuals. Muscle thickness were evaluated by ultrasound, and the level of physical activity by the International Physical Activity Questionnaire (IPAQ), long version...
October 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29312744/pathway-and-application-value-of-exploration-of-the-pulmonary-artery-by-endobronchial-ultrasound
#15
Peng Li, Cen Wu, Wei Zheng, Li Zhao
Background: The current standard methods for detecting pulmonary artery diseases are pulmonary artery enhanced computed tomography (CT) scan and pulmonary arteriography. However, some patients cannot tolerate these procedures for various reasons. The present study aimed to investigate the feasibility and operation process of endobronchial ultrasound (EBUS) in exploring the pulmonary artery. Methods: Based on normal contrast-enhanced chest CT images, the sites and process for exploring the pulmonary arteries were established...
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29310150/noninvasive-vascular-assessment-of-lower-extremity-wounds-in-diabetics-are-we-able-to-predict-perfusion-deficits
#16
Iram Naz, Elliot Walters, Cameron M Akbari, Christopher E Attinger, Paul J Kim
Vascular assessment of the lower extremity is a critical step in any patient presenting with lower extremity chronic wounds to predict the likelihood of healing and risk of amputation. This concept is vital in patients with diabetes due to their complex vascular anatomy and disease distribution. Three arteries supply the six angiosomes of the lower extremity (i.e., three-dimensional blocks of tissue fed by a "source" artery in the foot and ankle). In diabetic patients, assessment of adequate blood flow to the lower extremities is complicated by the presence of arterial calcification, associated neuropathy, and inflammation...
October 12, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/29306987/3dus-as-an-alternative-to-mri-for-measuring-renal-volume-in-children-with-autosomal-dominant-polycystic-kidney-disease
#17
Luc Breysem, Stéphanie De Rechter, Frederik De Keyzer, Maria Helena Smet, Bert Bammens, Maria Van Dyck, Maarten Hofmans, Raymond Oyen, Elena Levtchenko, Djalila Mekahli
BACKGROUND: Total kidney volume, measured by magnetic resonance imaging (MRI), is a validated disease progression marker in adults with autosomal dominant polycystic kidney disease (ADPKD). However, in childhood, MRI is burdensome, explaining the need for alternatives. METHODS: Kidney volume (KV) was evaluated in 30 children with ADPKD, using three-dimensional ultrasound (3DUS), applying the ellipsoid method and manual contouring (KV3DUS-ellipsoid, KV3DUS-contour respectively); manual contouring on MRI (KVMRI), and the ellipsoid method on two-dimensional ultrasound (2DUS, KV2DUS)...
January 6, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29305200/ultrasound-for-intraoperative-confirmation-of-antegrade-ureteral-stent-placement-during-laparoscopic-pyeloplasty
#18
David B Bayne, Manint Usawachintachit, Thomas Chi
OBJECTIVE: To describe our ultrasound technique for confirming intraoperative, antegrade-placed ureteral stent position during laparoscopic pyeloplasty. BACKGROUND: Disadvantages of retrograde stent placement include the need to reposition the patient into and out of the lithotomy position. Antegrade stent placement can reduce procedure time but requires confirming appropriate distal placement into the bladder with cystoscopy, percutaneous drain placement, or instillation of methylthioninium chloride or indigo carmine...
January 2, 2018: Urology
https://www.readbyqxmd.com/read/29304872/varicocele-due-to-renal-arteriovenous-malformation-mimicking-a-renal-tumor-a-case-report
#19
Peng-Chao Li, Jia-Yi Zhang, Yan-Yan Xiu, Sheng Liu, Jin-Guo Xia, Hai-Bin Shi, Ning-Hong Song
BACKGROUND: Renal arteriovenous malformation is an aberrant vascular connection between the renal artery and vein. Acquired renal arteriovenous malformation (arteriovenous fistulae) accounts for approximately 70% of renal arteriovenous abnormalities. Congenital renal arteriovenous malformation, relatively rare, can result in significant hematuria which may require arterial embolization or nephrectomy. CASE PRESENTATION: A 64-year-old Asian man presented to the Urology department in our hospital with gradual left scrotal swelling for 2 years...
January 5, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29301470/risk-of-complications-of-ultrasound-guided-renal-biopsy-for-adult-and-pediatric-patients-with-systemic-lupus-erythematosus
#20
Y S Sun, I T Sun, H K Wang, A H Yang, C Y Tsai, C J Huang, D F Huang, C C Lai
Objective The objective of this paper is to identify the risk of complications of real-time ultrasound-guided renal biopsy in adult and pediatric patients with systemic lupus erythematosus (SLE). Materials and methods This retrospective study examined outcomes of 296 renal biopsy procedures in 275 SLE patients. Imaging-confirmed symptomatic hematoma was regarded as a major complication when intervention (blood transfusion, angiographic embolization, or surgery) was required or as a minor complication otherwise...
January 1, 2018: Lupus
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