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https://www.readbyqxmd.com/read/29149960/real-renal-function-after-renal-autotransplantation-through-the-analysis-of-solitary-kidney-autotransplantation-cases
#1
J G Gwon, Y H Kim, D J Han
INTRODUCTION: Previous studies of the safety of renal autotransplantation (RAT) have been limited by a lack of evidence. Because of the influence of the opposite kidney, it is difficult to evaluate actual renal function. This study evaluated the actual results of RAT by collecting only cases involving a solitary kidney. METHODS: Between September 1, 1999, and November 30, 2015, 9 RAT procedures were performed in 9 patients with a solitary kidney. We retrospectively evaluated medical data collected prospectively...
November 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29146416/fulminant-adrenergic-myocarditis-complicated-by-pulmonary-edema-cardiogenic-shock-and-cardiac-arrest
#2
Pawel Rostoff, Bohdan Nessler, Patrycja Pikul, Karolina Golinska-Grzybala, Tomasz Miszalski-Jamka, Jadwiga Nessler
Adrenergic myocarditis is an uncommon presentation of pheochromocytoma and extremely rare cause of de novo acute heart failure (AHF). We present a case of a 31-year-old Caucasian woman with a history of hypertension and recurrent occipital headaches who was admitted to the emergency department due to severe de novo AHF presenting as pulmonary edema and cardiogenic shock. During the hospital admission the patient experienced asystolic cardiac arrest and was successfully resuscitated, intubated, and mechanically ventilated...
November 10, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29121844/patient-and-aneurysm-characteristics-predicting-prolonged-length-of-stay-after-elective-open-aaa-repair-in-the-endovascular-era
#3
Sergio Casillas-Berumen, Florencia A Rojas-Miguez, Alik Farber, Sevan Komshian, Jeffrey A Kalish, Denis Rybin, Gheorghe Doros, Jeffrey J Siracuse
INTRODUCTION: Open aortic aneurysm repair (AAA) repair can be resource intensive and associated with a prolonged length of stay (LOS). We sought to examine patient and aneurysm predictors of prolonged LOS to better identify those at risk in the preoperative setting. METHODS: Patient data were obtained from the targeted AAA American College of Surgery National Surgical Quality Improvement Program database from 2012 to 2014 of patients undergoing open AAA repair. Multivariable logistic regression was used to determine predictors of prolonged postoperative LOS defined as greater than 10 days (75th percentile)...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29118111/differential-cell-matrix-mechanoadaptations-and-inflammation-drive-regional-propensities-to-aortic-fibrosis-aneurysm-or-dissection-in-hypertension
#4
M R Bersi, R Khosravi, A J Wujciak, D G Harrison, J D Humphrey
The embryonic lineage of intramural cells, microstructural organization of the extracellular matrix, local luminal and wall geometry, and haemodynamic loads vary along the length of the aorta. Yet, it remains unclear why certain diseases manifest differentially along the aorta. Toward this end, myriad animal models provide insight into diverse disease conditions-including fibrosis, aneurysm and dissection-but inherent differences across models impede general interpretations. We examined region-specific cellular, matrix, and biomechanical changes in a single experimental model of hypertension and atherosclerosis, which commonly coexist...
November 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/29097042/clinical-characteristics-and-outcome-of-isolated-infrarenal-aortic-stenosis-in-young-patients
#5
Spyridon Monastiriotis, Shang Loh, Apostolos Tassiopoulos, Nicos Labropoulos
OBJECTIVE: The objective of this study was to identify young patients with isolated infrarenal aortic atherosclerotic stenosis and to determine the clinical characteristics and midterm results of angioplasty and stenting. METHODS: Data from patients younger than 50 years with significant infrarenal aortic stenosis and at least 1 year of follow-up were prospectively collected. Patients with coexistent suprarenal or iliofemoral disease and Takayasu arteritis were excluded...
October 30, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29090208/normal-uptake-of-11-c-acetate-in-pancreas-liver-spleen-and-suprarenal-gland-in-pet
#6
Bogdan Malkowski, Pawel Wareluk, Tomasz Gorycki, Katarzyna Skrobisz, Michal Studniarek
PURPOSE: (11)C-Acetate is radiotracer being considered an alternative to (18)F-fluorodeoxyglucose. Evaluation of (11)C-acetate biodistribution in human parenchymal organs is described. METHODS AND MATERIALS: 60 consecutive patients referred to (11)C-acetate PET CT suspected of renal or prostate cancer relapse with negative results (no recurrent tumor) were included in the study. Acquisition from the base of skull to upper thigh was made 20 min after i.v. injection of 720 MBq of (11)C-acetate...
2017: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29019745/imaging-of-nonmalignant-adrenal-lesions-in-children
#7
Kiran M Sargar, Geetika Khanna, Rebecca Hulett Bowling
The adrenal glands in children can be affected by a variety of benign lesions. The diagnosis of adrenal lesions can be challenging, but assessment of morphologic changes in correlation with the clinical presentation can lead to an accurate diagnosis. These lesions can be classified by their cause: congenital (eg, discoid adrenal gland, horseshoe adrenal gland, and epithelial cysts), vascular and/or traumatic (eg, adrenal hemorrhage), infectious (eg, granulomatous diseases), enzyme deficiency disorders (eg, congenital adrenal hyperplasia [CAH] and Wolman disease), benign neoplasms (eg, pheochromocytomas, ganglioneuromas, adrenal adenomas, and myelolipomas), and adrenal mass mimics (eg, extralobar sequestration and extramedullary hematopoiesis)...
October 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29017806/implementation-of-a-bundled-protocol-significantly-reduces-risk-of-spinal-cord-ischemia-after-branched-or-fenestrated-endovascular-aortic-repair
#8
Salvatore T Scali, Moses Kim, Paul Kubilis, Robert J Feezor, Kristina A Giles, Brittney Miller, Javairiah Fatima, Thomas S Huber, Scott A Berceli, Martin Back, Adam W Beck
OBJECTIVE: Spinal cord ischemia (SCI) is a devastating complication after branched or fenestrated endovascular aortic repair (B/FEVAR) for thoracoabdominal aortic disease. The purpose of this analysis was to describe the impact of a bundled clinical care protocol designed to reduce the risk of SCI in this population of patients. METHODS: A bundled SCI prevention protocol including cerebrospinal fluid drainage, blood pressure parameters, transfusion goals, and pharmacologic adjuncts (steroids, naloxone) was initiated in May 2015...
October 7, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28984419/diagnosis-of-pediatric-neuroblastoma-by-urine-cytology-a-case-report
#9
Shiori Nishikawa, Hiroshi Noguchi, Takako Tokumitsu, Akinobu Ohno, Sayaka Moriguchi-Goto, Kazunari Maekawa, Yujiro Asada, Hiroshi Moritake, Mariko Kinoshita, Ai Yamada, Kazunari Takamura, Yuichiro Sato
Neuroblastomas are embryonal tumors arising from the neuronal crest cells of the synaptic nervous system. Findings from aspiration cytology have been reported, but there have been no reports of urine cytology findings. Here, we report a case of pediatric neuroblastoma characterized by urine cytology. A 2-year-old boy presented with abdominal pain, nausea, and loss of appetite. Computed tomography revealed a large tumor in the left suprarenal region with massive infiltration into the kidney. Urinary cytology showed highly cellular clusters composed of small, round, atypical cells with little cytoplasm and high nuclear/cytoplasmic ratio; nuclear molding was also noted in some places...
October 6, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28964618/long-term-fate-of-renal-function-after-open-surgery-for-juxtarenal-and-pararenal-aortic-aneurysm
#10
Masayuki Sugimoto, Noriko Takahashi, Kiyoaki Niimi, Akio Kodama, Hiroshi Banno, Kimihiro Komori
BACKGROUND: Although the indications for endovascular aneurysm repair for abdominal aortic aneurysm have been expanding, our primary strategy for pararenal and juxtarenal abdominal aortic aneurysm (P/JRAA) is open surgery (OS). One consequence of OS for P/JRAA is transient renal ischemia owing to renal artery clamping, which can be followed by acute kidney injury (AKI). Prior studies referred to the impact of renal ischemia on AKI, but they have rarely evaluated longer-term renal function...
September 27, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28935757/resveratrol-inhibits-growth-of-experimental-abdominal-aortic-aneurysm-associated-with-upregulation-of-angiotensin-converting-enzyme-2
#11
Corey S Moran, Erik Biros, Smriti M Krishna, Yutang Wang, Chris Tikellis, Susan K Morton, Joseph V Moxon, Mark E Cooper, Paul E Norman, Louise M Burrell, Merlin C Thomas, Jonathan Golledge
OBJECTIVE: Recent evidence suggests an important role for angiotensin-converting enzyme 2 (ACE2) in limiting abdominal aortic aneurysm (AAA). This study examined the effect of ACE2 deficiency on AAA development and the efficacy of resveratrol to upregulate ACE2 in experimental AAA. APPROACH AND RESULTS: Ace2 deletion in apolipoprotein-deficient mice (ApoE(-/-)Ace2(-/y) ) resulted in increased aortic diameter and spontaneous aneurysm of the suprarenal aorta associated with increased expression of inflammation and proteolytic enzyme markers...
November 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28922970/use-of-synchrotron-radiation-to-accurately-assess-cross-sectional-area-reduction-of-the-aortic-branch-ostia-caused-by-suprarenal-stent-wires
#12
Zhonghua Sun, Curtise K C Ng
PURPOSE: To compare in vivo the use of synchrotron radiation to computed tomography angiography (CTA) for the measurement of cross-sectional area (CSA) reduction of the aortic branch ostia caused by suprarenal stent-graft wires. METHODS: This study was performed with a Zenith stent-graft placed in a phantom of the human aorta to simulate treatment of abdominal aortic aneurysm. Synchrotron radiation scans were performed using beam energies between 40 and 100 keV and spatial resolution of 19...
September 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28898997/angiotensin-ii-infusion-into-apoe-mice-a-model-for-aortic-dissection-rather-than-abdominal-aortic-aneurysm
#13
Bram Trachet, Lydia Aslanidou, Alessandra Piersigilli, Rodrigo A Fraga-Silva, Jessica Sordet-Dessimoz, Pablo Villanueva-Perez, Marco F M Stampanoni, Nikolaos Stergiopulos, Patrick Segers
Aims: Angiotensin II-infused ApoE-/- mice are a popular mouse model for preclinical aneurysm research. Here, we provide insight in the often-reported but seldom-explained variability in shape of dissecting aneurysms in these mice. Methods and results: N = 45 excised aortas were scanned ex vivo with phase-contrast X-ray tomographic microscopy. Micro-ruptures were detected near the ostium of celiac and mesenteric arteries in 8/11 mice that were sacrificed after 3 days of angiotensin II-infusion...
August 1, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28890065/comparison-of-endovascular-stent-grafts-for-abdominal-aortic-aneurysm-repair-in-medicare-beneficiaries
#14
Dominique B Buck, Peter A Soden, Sarah E Deery, Sara L Zettervall, Klaas H J Ultee, Bruce E Landon, A James O'Malley, Marc L Schermerhorn
BACKGROUND: Increased renal complications have been suggested with suprarenal stent grafts, but long-term analyses have been limited. Therefore, the purpose of this study was to evaluate the effect of endograft choice on perioperative and long-term outcomes. METHODS: We compared Medicare beneficiaries undergoing endovascular AAA repair from 2005-2008 with endografts with infrarenal fixation and a single docking limb (AneuRx, Excluder) to those with suprarenal fixation and two docking limbs (Zenith), or a unibody configuration (Powerlink)...
September 7, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28887256/remote-ischemic-preconditioning-decreases-the-magnitude-of-hepatic-ischemia-reperfusion-injury-on-a-swine-model-of-supraceliac-aortic-cross-clamping
#15
G Martikos, A Kapelouzou, M Peroulis, A Paspala, D Athanasiadis, A Maheras, T D Liakakos, K Moulakakis, S Vasdekis, A M Lazaris
BACKGROUND: Temporary hepatic ischemia is inevitable during open aortic surgery when supraceliac clamping is necessary, as in thoracoabdominal or pararenal aneurysms. Remote ischemic preconditioning (RIPC) has been described as a potential protective means against ischemia - reperfusion injury (IRI) in various tissues including the liver. The aim of this experimental study was to detect the effect of RIPC on liver IRI in a model of supraceliac aortic cross-clamping. METHODS: An animal study was performed...
September 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28869455/influence-of-ultrasound-microbubbles-on-kidney-oxygen-tension
#16
P Lamby, L Prantl, A Krüger-Genge, R P Franke, E M Jung, F Jung
Ultrasound contrast agents (USCA) allows the dynamic detection of blood flow of both the macro and microvasculature. An obvious prerequisite for USCAs is the unhindered passage of clinically relevant dose levels through the microcirculation especially of the lungue, where they have to pass capillaries with diameters of around 4 μm. While smaller microbubbles rapidly passed through the microcirculation along with the red blood cells, larger microbubbles, however, were observed to coalesce and interrupt the blood flow...
August 28, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28865773/in-vivo-characterization-of-the-murine-venous-system-before-and-during-dobutamine-stimulation-implications-for-preclinical-models-of-venous-disease
#17
Olivia R Palmer, Calvin B Chiu, Amos Cao, Ulrich M Scheven, Jose A Diaz, Joan M Greve
Although widely used as a preclinical model for studying venous diseases, there is a scarcity of in vivo characterizations of the naïve murine venous system. Additionally, previous studies on naïve veins (ex vivo) have not included the influence of surrounding structures and biomechanical forces. Using MRI, we noninvasively quantified the cross-sectional area, cyclic strain, and circularity of the venous system in young and old, male and female C57BL/6 mice. We investigated the most common venous locations used to perform venous disease research: the common jugular vein, suprarenal inferior vena cava (IVC), infrarenal IVC, common iliac vein, and common femoral vein...
September 1, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28862125/solitary-adrenal-metastases-from-breast-invasive-ductal-carcinoma
#18
Cezar Stroescu, Iulian Gilca, Dragoş Chirita, Radu Poenaru, Ana Puşcaşu, Diana Pescaru, Adelina Birceanu, Cornelia Niţipir, Narcis Copcă
The usual neoplastic dissease involving suprarenal glands are adrenal metastaes. The majority of suprarenal metastatic disease arise from lung cancer, followed by the stomach and colon cancer, oesophagus, the liver/bile ducts cancer and renal cell carcinoma. Invasive mammary carcinoma usually spreads to the bones, lungs, lymph nodes, liver and the brain. Adrenal gland metastases from invasive no special type carcinoma represents an extremly low rate number of cases. We discuss about a 66 year old patient who presented with a solitary adrenal metastases from triple negative breast invasive carcinoma...
July 2017: Chirurgia
https://www.readbyqxmd.com/read/28860051/an-unusual-right-sided-suprarenal-accessory-spleen-misdiagnosed-as-an-atypical-pheochromocytoma
#19
Zenan Xia, Zhien Zhou, Zhiyuan Shang, Zhigang Ji, Weigang Yan
Compared with left suprarenal splenosis, a right suprarenal accessory spleen is more likely to be misdiagnosed as an adrenal tumor because of its extreme rarity. Especially when splenosis mimics an atypical pheochromocytoma, preoperative diagnosis may become more difficult and elusive. Herein we report the case of a female patient with a right suprarenal mass, which was suspected to be an atypical pheochromocytoma based on a history of the classic triad and positive somatostatin receptor scintigraphy, but histopathology suggested a final diagnosis of right suprarenal splenosis...
August 30, 2017: Urology
https://www.readbyqxmd.com/read/28834374/differential-distribution-of-renal-nerves-in-the-sympathetic-ganglia-of-the-rat
#20
Seishi Maeda, Mayumi Fujihira, Yusuke Minato, Sachi Kuwahara-Otani, Koichi Tanaka, Tetsu Hayakawa, Hideshi Yagi
The renal nerve plexus comprises efferent and afferent fibers. It controls urine production and bodily fluid homeostasis. Efferent fibers to the kidney include sympathetic nerve fibers from their main ganglia, the prevertebral suprarenal ganglia (SrG), and the paravertebral sympathetic chain ganglia (ChG). In the present study, we examined topological innervation from these ganglia to the renal parenchymal segments of the left kidney of the rat. Fluoro-Gold was injected into the rostral or caudal poles of the left kidney...
August 17, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
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