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Kidney ultrasonography

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https://www.readbyqxmd.com/read/28645973/effect-of-ultrasonography-surveillance-in-patients-with-liver-cancer-a-population-based-longitudinal-study
#1
Jui-Kun Chiang, Lin Chih-Wen, Yee-Hsin Kao
OBJECTIVE: Liver cancer is a growing global public health problem. Ultrasonography is an imaging tool widely used for the early diagnosis of liver cancer. However, the effect of ultrasonography surveillance (US) on the survival of patients with liver cancer is unknown. Therefore, this study examined the association between survival and US frequency during the 2 years preceding patients' liver cancer diagnosis. METHODS: This population-based longitudinal study was conducted in Taiwan, a region with high liver cancer incidence, by using the National Health Insurance Research Database...
June 23, 2017: BMJ Open
https://www.readbyqxmd.com/read/28642201/combination-of-coenzyme-q10-loaded-liposomes-with-ultrasound-targeted-microbubbles-destruction-utmd-for-early-theranostics-of-diabetic-nephropathy
#2
Ting Yue, He-Lin Xu, Pian-Pian Chen, Lei Zheng, Qun Huang, Wen-Shuang Sheng, Yuan-Di Zhuang, Li-Zhuo Jiao, Ting-Ting Chi, De-Li ZhuGe, Jin-Jin Liu, Ying-Zheng Zhao, Li Lan
Diabetic nephropathy (DN) is one of the most common and lethal microvascular complications of diabetes. This study aimed to explore whether coenzymeQ10 (CoQ10) as an antioxidant combined with ultrasound-targeted microbubble destruction (UTMD) could reverse the progress of early diabetic nephropathy (DN). CoQ10 has great potential to treat early DN. However, the clinical application of CoQ10 has been limited because of its low aqueous solubility and non-specific distribution. Therefore, CoQ10-loaded liposomes (CoQ10-lip) were prepared and combined with ultrasound microbubbles for the early theranostics of DN...
June 19, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28634673/b-mode-and-doppler-ultrasound-of-chronic-kidney-disease-in-dogs-and-cats
#3
REVIEW
Nathália Bragato, Naida Cristina Borges, Maria Clorinda Soares Fioravanti
Ultrasound is the imaging test of choice for renal evaluation, because it provides information about the position, size, shape, internal architecture and hemodynamics of the kidneys without harming the patient. In chronic kidney disease, the main findings observed in B-mode ultrasound images are increased cortical echogenicity, loss of corticomedullary differentiation, reduced renal volume and irregular renal contour, and when these changes are associated, they are indicative of end-stage renal disease. However, the cause of kidney disease cannot be determined by ultrasonography, but must be confirmed by means of biopsy, although the presence of ultrasonographic changes indicative of the end-stage of the disease may contraindicate this procedure...
June 21, 2017: Veterinary Research Communications
https://www.readbyqxmd.com/read/28625023/-studyon-renal-cell-carcinoma-detected-by-abdominal-ultrasonography-during-routine-health-check-up
#4
Masahito Ishikawa, Ayae Kawakami, Kohei Sakuraba, Sae Tanaka, Yoichi Yamamoto, Tateru Ishida, Mitsuru Kawarasaki, Toshihiro Ootaki, Shigeru Ozasa
We performed a study on renal cell carcinoma (RCC) detected by abdominal ultrasonography during routine health check-up at Sapporo Teishin Hospital. The study included a total of 13,127 ultrasonographic examinations performed on 4,339 patients who visited our hospital for routine health check-ups during a 21- year period from April 1995 to March 2016. RCC was suspected from ultrasonographic findings and later histopathologically diagnosed in 11 patients in this group (detection rate 0.25%). Patients were male, aged 37 to 64 (median, 52...
May 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28621602/resolution-of-nonurine-transudative-pleural-effusion-in-a-cat-after-removal-of-a-hydronephrotic-kidney
#5
Maura E Duffy, Andrew J Specht, Ahmira R Torres, May-Li Cuypers
CASE DESCRIPTION A 3-year-old spayed female Bengal cat was evaluated because of a history of bilateral pleural effusion and hydronephrosis of the right kidney. CLINICAL FINDINGS Cytologic analysis of a pleural fluid sample revealed characteristics of a pure transudate with a high percentage of lymphocytes. Results of fluid biochemical testing were not consistent with urine or chyle. Serum biochemical analysis and echocardiography yielded no evidence of hypoalbuminemia or high hydrostatic pressure secondary to cardiac disease...
July 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28621488/effects-of-intradialytic-neuromuscular-electrical-stimulation-on-strength-and-muscle-architecture-in-patients-with-chronic-kidney-failure-randomized-clinical-trial
#6
Jociane Schardong, Thiago Dipp, Camila Bassani Bozzeto, Marília Godoy da Silva, Gabriela Leivas Baldissera, Raíssa de Castro Ribeiro, Bruna Pan Valdemarca, Alexandre Severo do Pinho, Graciele Sbruzzi, Rodrigo Della Méa Plentz
This study aimed to evaluate the effects of neuromuscular electrical stimulation (NMES) on muscle strength and architecture, functional capacity, and endothelial function in patients with chronic kidney failure (CKF) on hemodialysis (HD). Twenty-one patients with CKF on HD were randomized into a control group (CG; n = 10) and neuromuscular electrical stimulation group (NMESG; n = 11) who received NMES in the quadriceps muscle for 8 weeks, 3 times/week (20-34 min) during HD sessions. The muscle strength of the lower limbs was evaluated by dynamometry and sit-and-stand test (SST); muscle architecture through ultrasonography; functional capacity by the distance covered in a 6-min walk test and the endothelial function by flow-mediated dilatation technique of the brachial artery...
June 16, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28618770/clinical-significance-of-renal-cortical-thickness-in-patients-with-chronic-kidney-disease
#7
Mehmet Korkmaz, Bekir Aras, Serkan Güneyli, Mümtaz Yılmaz
Purpose: The aim of this study was to evaluate the correlations between laboratory findings and ultrasonographic measurements of renal length and cortical thickness in patients receiving follow-up for chronic kidney disease (CKD). Methods: CKD patients with a low glomerular filtration rate who did not require renal replacement therapy were included in this prospective study. Patients were followed up with laboratory assays at bimonthly intervals and with ultrasonography performed twice a year...
May 6, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28613240/an-isoform-of-nedd4-2-plays-a-pivotal-role-in-electrophysiological-cardiac-abnormalities
#8
Shintaro Minegishi, Tomoaki Ishigami, Hisho Kawamura, Tabito Kino, Lin Chen, Rie Nakashima-Sasaki, Hiroshi Doi, Kengo Azushima, Hiromichi Wakui, Yumi Chiba, Kouichi Tamura
We have previously shown that neural precursor cell-expressed developmentally downregulated gene 4-2 (Nedd4-2) isoforms with a C2 domain are closely related to ubiquitination of epithelial sodium channel (ENaC), resulting in salt-sensitive hypertension by Nedd4-2 C2 targeting in mice. The sodium voltage-gated channel alpha subunit 5 (SCN5A) gene encodes the α subunit of the human cardiac voltage-gated sodium channel (I Na), and the potassium voltage-gated channel subfamily H member 2 (KCNH2) gene encodes rapidly activating delayed rectifier K channels (I Kr)...
June 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28611143/retroperitoneal-haemangiopericytoma
#9
Mustafa Resorlu, Canan Akgun Toprak, Muhsin Ozgun Ozturk, Muhammet Arslan
A 55-year-old woman, diagnosed with a renal mass by abdominal ultrasonography (USG) in an external medical centre, presented to our hospital. The medical history was unremarkable except for diabetes mellitus and hypertension. The haemogram and urine tests were normal. The only pathology revealed in routine biochemistry tests was increased glucose level (164 mg/dL). The repeat USG performed in our hospital revealed a solid hypoechoic mass lesion approximately 4 cm in diameter closely adjacent to the right kidney...
June 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28599030/pediatric-nephrolithiasis-a-review
#10
Tayaba Miah, Deepak Kamat
The incidence of pediatric nephrolithiasis is on the rise. The composition of kidney stones in children is different than in adults, as most stones in children have a composition of calcium oxalate and calcium phosphate mixed with a small amount of uric acid. The symptoms of pediatric nephrolithiasis are nonspecific. Computed tomography (CT) is the gold standard for diagnosis; however, because of radiation exposure associated with a CT scan, ultrasonography is also an accepted modality for the diagnosis. Extensive metabolic evaluation is important to rule out an underlying metabolic disorder...
June 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28595935/predictors-of-renal-functional-improvement-after-pyeloplasty-in-ureteropelvic-junction-obstruction-clinical-value-of-visually-assessed-renal-tissue-tracer-transit-in-99m-tc-mercaptoacetyltriglycine-renography
#11
Sang Hoon Song, Sahyun Park, Sun Young Chae, Dae Hyuk Moon, Sungchan Park, Kun Suk Kim
OBJECTIVES: To determine the clinical value of visually assessed renal tissue transit time (TTT) in (99m)Tc-mercaptoacetyltriglycine ((99m)Tc-MAG3) renography for patients undergoing pyeloplasty METHODS: Medical records of 164 patients who underwent dismembered pyeloplasty were retrospectively reviewed. Baseline and postoperative renal ultrasonography and (99m)Tc-MAG3 renography were performed. Two urologists blinded to clinical data evaluated the renography and classified TTT as timely or delayed based on visualization of the tracer in the kidney pelvis between 2 and 10 min...
June 5, 2017: Urology
https://www.readbyqxmd.com/read/28593485/diffuse-large-b-cell-lymphoma-presenting-as-bilateral-renal-infiltration-leading-to-acute-kidney-injury
#12
Tomoe Okubo, Shuma Hirashio, Minako Shimizu, Yoshiaki Kuroda, Shigehiro Doi, Takao Masaki
Acute kidney injury (AKI) because of bilateral renal infiltration is an uncommon presentation of diffuse large B-cell lymphoma (DLBCL). A 52-year-old man presented to our institution with AKI and complaints of fatigue. Ultrasonography revealed a large, 15 cm granulomatous mass arising from the bilateral kidneys. The mass was biopsied laparoscopically, and histopathological analysis revealed evidence of DLBCL. The patient subsequently underwent R-CHOP therapy (rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone)...
June 7, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28593008/meckel-gruber-syndrome-ultrasonographic-and-fetal-autopsy-correlation
#13
Shruti Khurana, Vikram Saini, Vibhor Wadhwa, Harveen Kaur
Meckel-Gruber syndrome (MGS) is a rare autosomal recessive disorder which is characterized by a classic triad of occipital encephalocele, polycystic kidneys and postaxial polydactyly. We describe a case of classic MGS, diagnosed on ultrasonography and genetic analysis, with subsequent confirmation and correlation by fetal autopsy.
June 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28586115/early-detection-of-postoperative-acute-kidney-injury-in-acute-stanford-type-a-aortic-dissection-with-doppler-renal-resistive-index
#14
Huai Qin, Haibo Wu, Yi Chen, Nan Zhang, Zhanming Fan
OBJECTIVES: This study aimed to evaluate the early efficiency of Doppler renal resistive index (DRRI) in prediction of acute kidney injury (AKI) after surgery in acute Stanford Type A aortic dissection (AAAD) patients. METHODS: Sixty-one AAAD patients who planned to receive Sun's surgical management were prospectively enrolled. The DRRI was measured by ultrasonography Doppler on the day before surgery (DRRIpre ), on admission to the intensive care unit (DRRIT0 ), 6 hours after surgery (DRRIT6 ), 24 hours after surgery (DRRIT24 ), and 48 hours after surgery (DRRIT48 )...
June 6, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28576414/is-urodynamic-evaluation-a-must-in-all-operated-cases-of-open-neural-tube-defects
#15
Monika Bawa, Vedarth Dash, Akshay Kalavant, J K Mahajan, K L N Rao
BACKGROUND: Spina bifida is a common cause of pediatric neurogenic bladder. It causes renal failure in almost 100% of patients if the associated detrusor sphincter dyssynergia (DSD) is inadequately managed. Detrusor instability and high detrusor pressures (Figure) have been implicated as the major factors predictive of renal damage in these patients. Urodynamic studies provide early identification of "at risk" kidneys so that appropriate intervention can be made. However, the role in post-operative patients of spina bifida who have no clinical manifestations remains unclear...
May 20, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28570592/a-prospective-study-of-the-demographics-management-and-outcome-of-patients-with-acute-kidney-injury-in-cape-town-south-africa
#16
Thandiwe A L Dlamini, Peter J Heering, Tawanda Chivese, Brian Rayner
AIM: To study the demographics and outcome of acute kidney injury (AKI) at Groote Schuur Hospital, Cape Town, South Africa. METHODS AND FINDINGS: A prospective observational study of AKI fulfilling the Kidney Disease: Improving Global Outcomes definition, from 8 July 2012 to 8 July 2013. Ethics approval was granted by the University of Cape Town Human Research Ethics Committee. Consent was waived because patient data was de-identified and patient management was not adversely affected by the study...
2017: PloS One
https://www.readbyqxmd.com/read/28546238/persistent-fetal-lobulation-of-kidney-mimicking-renal-tumour
#17
Syed Muhammad Nazim, Muhibullah Bangash, Basit Salam
Renal pseudotumour is a term coined to describe conditions of renal anatomic variants that simulate focal renal pathology like a tumour on ultrasonography. These include persistent fetal lobulation, hypertrophy of Bertin columns and dromedary humps. We report a case of a 30-year-old nulliparous woman who was managed in gynaecology clinic for menorrhagia and was subsequently referred to us for management of recurrent urinary tract infections. The clinical examination was normal and on ultrasound scan, she was found to have multiple enlarged heterogeneous solid masses in both kidneys with significantly increased vascularity, suspicious for neoplastic lesions...
May 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28543535/diagnosis-and-management-of-acquired-cystic-kidney-disease-and-renal-tumors-in-esrd-patients
#18
Frederic Rahbari-Oskoui, William Charles O'Neill
The incidence of renal malignancies is markedly increased in end-stage renal disease and appears to be related to the development of acquired cystic kidney disease. Identification and evaluation of simple cysts, complex cysts, and solid masses in these patients rely on imaging studies, including ultrasonography, computed tomography, and magnetic resonance imaging, each of which has advantages and disadvantages. While there are no published data to support screening of ESRD patients, this seems appropriate in at least some patients, based on patient characteristics and the presence or absence of acquired cystic kidney disease...
May 21, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28540905/tuberous-sclerosis-complex-bourneville-pringle-disease-in-a-25-year-old-female-with-bilateral-renal-angiomyolipoma-and-secondary-hypertension
#19
Sahar El Aoud, Faten Frikha, Mouna Snoussi, Raida Ben Salah, Zouhir Bahloul
Tuberous sclerosis or tuberous sclerosis complex (TSC) is an autosomal dominant inherited neurocutaneous disorder that variably affects the brain, skin, kidneys, heart, and other organs. It is characterized by skin and renal lesions in addition to central and peripheral nervous system tumors, with neurological and psychiatric findings. We report such a rare case of tuberous sclerosis in a 25-year-old female who presented with abdominal pain and hypertension. Physical examination showed dermatological signs that included hypopigmented maculae, shagreen plaque, angiofibromas on the centrofacial areas, periungual fibromas on toes, and molluscum pendulum around the neck...
May 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28540199/role-of-different-imaging-modalities-of-vascular-calcification-in-predicting-outcomes-in-chronic-kidney-disease
#20
REVIEW
Sinee Disthabanchong, Sarinya Boongird
Vascular calcification (VC) is common among patients with chronic kidney disease (CKD). The severity of VC is associated with increased risk of cardiovascular events and mortality. Risk factors for VC include traditional cardiovascular risk factors as well as CKD-related risk factors such as increased calcium and phosphate load. VC is observed in arteries of all sizes from small arterioles to aorta, both in the intima and the media of arterial wall. Several imaging techniques have been utilized in the evaluation of the extent and the severity of VC...
May 6, 2017: World Journal of Nephrology
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