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Calcifications

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https://www.readbyqxmd.com/read/28214571/encountering-dropped-gallstones-during-robotic-assisted-laparoscopic-radical-prostatectomy
#1
Lisa Brubaker, Michael Allgaeuer, Baris Turkbey, Peter Pinto, Abhinav Sidana
We describe a case of an unusual finding during robotic-assisted laparoscopic radical prostatectomy and bilateral pelvic lymphadenectomy in a 66-year-old male with Stage IIb (T2c, N0, M0) prostate adenocarcinoma. During the operation, intraperitoneal examination of the rectovesical pouch revealed calcifications and stones which were subsequently identified as gallstones. While these stones were not noted initially on this patient's preoperative multiparametric MRI (mpMRI), a retrospective review demonstrated hypointense foci in the rectovesical pouch...
February 15, 2017: Urology
https://www.readbyqxmd.com/read/28214287/association-of-warfarin-with-congestive-heart-failure-and-peripheral-artery-occlusive-disease-in-hemodialysis-patients-with-atrial-fibrillation
#2
Kuo-Hua Lee, Szu-Yuan Li, Jin-Sin Liu, Chi-Ting Huang, Ying-Ying Chen, Yao-Ping Lin, Chih-Cheng Hsu, Der-Cherng Tarng
BACKGROUND: The effect of warfarin on the risk of cardiovascular (CV) disease is unknown among chronic hemodialysis patients with atrial fibrillation (HD-AF). METHODS: Population-based propensity score and prescription time-distribution matched cohort study including 6719 HD-AF patients with CHA2DS2-VASc score ≥ 2 were divided into warfarin users and nonusers and followed-up for CV events and death. RESULTS: Warfarin treatment in HD-AF patients with AF preceding HD was associated with higher risks of developing congestive heart failure [hazard ratio (HR)=1...
February 14, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28213948/hourglass-shaped-right-ventricle-and-localized-constrictive-pericarditis
#3
Alper Karakus, Hasan Ari, Sencer Camci, Selma Ari, Ahmet Tutuncu, Mehmet Melek
Constrictive pericarditis is characterized by thick pericardial fibrosis and frequent calcification that progressively impairs diastolic filling of the heart. The diagnosis of constrictive pericarditis has been challenging even though multiple diagnostic modalities have been developed. The diagnosis of constructive pericarditis is especially difficult in localized constrictive pericarditis which is extremely rare. We report a case of localized constrictive pericarditis with a 3D multislice cardiac computed tomography (CT) finding of the constrictive band causing strangulation and hourglass shaping of the right ventricle...
February 18, 2017: Echocardiography
https://www.readbyqxmd.com/read/28213903/specifics-of-fetuin-a-levels-in-distinct-types-of-chronic-heart-failure
#4
Michael Lichtenauer, Bernhard Wernly, Vera Paar, Ilonka Rohm, Christian Jung, Atilla Yilmaz, Uta C Hoppe, Paul Christian Schulze, Daniel Kretzschmar, Rudin Pistulli
INTRODUCTION: Fetuin-A has been described to correlate inversely with vascular calcification both in animal models but also in patients with heart and renal disease. In this current study, we sought to investigate whether fetuin-A might be a useful marker for the discrimination of ischemic (ICM) from dilated cardiomyopathy (DCM). METHODS: A total of 124 non-consecutive patients were included in this study, 59 patients suffered from ICM and 65 patients from DCM. Serum samples were obtained during out-patient visits and analyzed for fetuin-A by ELISA...
February 18, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28213846/fixation-of-bovine-pericardium-based-tissue-biomaterial-with-irreversible-chemistry-improves-biochemical-and-biomechanical-properties
#5
H Tam, W Zhang, D Infante, N Parchment, M Sacks, N Vyavahare
Bioprosthetic heart valves (BHVs), derived from glutaraldehyde crosslinked (GLUT) porcine aortic valve leaflets or bovine pericardium (BP), are used to replace defective heart valves. However, valve failure can occur within 12-15 years due to calcification and/or progressive structural degeneration. We present a novel fabrication method that utilizes carbodiimide, neomycin trisulfate, and pentagalloyl glucose crosslinking chemistry (TRI) to better stabilize the extracellular matrix of BP. We demonstrate that TRI-treated BP is more compliant than GLUT-treated BP...
February 17, 2017: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/28212442/ecto-5-nucleotidase-cd73-nt5e-vitamin-d-receptor-and-fgf23-gene-polymorphisms-may-play-a-role-in-the-development-of-calcific-uremic-arteriolopathy-in-dialysis-patients-data-from-the-german-calciphylaxis-registry
#6
Hansjörg Rothe, Vincent Brandenburg, Margot Haun, Barbara Kollerits, Florian Kronenberg, Markus Ketteler, Christoph Wanner
INTRODUCTION: Calciphylaxis/calcific uremic arteriolopathy affects mainly end-stage kidney disease patients but is also associated with malignant disorders such as myeloma, melanoma and breast cancer. Genetic risk factors of calciphylaxis have never been studied before. METHODS: We investigated 10 target genes using a tagging SNP approach: the genes encoding CD73/ ecto-5'-nucleotidase (purinergic pathway), Matrix Gla protein, Fetuin A, Bone Gla protein, VKORC1 (all related to intrinsic calcification inhibition), calcium-sensing receptor, FGF23, Klotho, vitamin D receptor, stanniocalcin 1 (all related to CKD-MBD)...
2017: PloS One
https://www.readbyqxmd.com/read/28212053/transthoracic-echocardiography-pitfalls-and-limitations-as-delineated-at-cardiac-ct-and-mr-imaging
#7
Sachin B Malik, Natalie Chen, Rex A Parker, Joe Y Hsu
Transthoracic echocardiography ( TTE transthoracic echocardiography ) is a critical tool in the field of clinical cardiology. It often serves as one of the first-line imaging modalities in the evaluation of cardiac disease owing to its low cost, portability, widespread availability, lack of ionizing radiation, and ability to evaluate both anatomy and function of the heart. Consequently, a large majority of patients undergoing a cardiac computed tomography (CT) or magnetic resonance (MR) imaging examination will have a TTE transthoracic echocardiography available for review...
February 17, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28210769/preprocedural-risk-assessment-prior-to-ppvi-with-cmr-and-cardiac-ct
#8
Ladonna Malone, Brian Fonseca, Thomas Fagan, Jane Gralla, Neil Wilson, Micheal DiMaria, Uyen Truong, Lorna P Browne
Percutaneous pulmonary valve intervention (PPVI) is a less invasive and less costly approach to pulmonary valve replacement compared with the surgical alternative. Potential complications of PPVI include coronary compression and pulmonary arterial injury/rupture. The purpose of this study was to characterize the morphological risk factors for PPVI complication with cardiac MRI and cardiac CTA. A retrospective review of 88 PPVI procedures was performed. 44 patients had preprocedural cardiac MRIs or CTAs available for review...
February 16, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28210710/microangiopathy-in-primary-familial-brain-calcification-evidence-from-skin-biopsies
#9
Gaël Nicolas, Florent Marguet, Annie Laquerrière, João Ricardo Mendes de Oliveira, Didier Hannequin
No abstract text is available yet for this article.
April 2017: Neurology. Genetics
https://www.readbyqxmd.com/read/28210065/the-effects-of-therapeutic-exercise-using-pnf-on-the-size-of-calcium-deposits-pain-self-awareness-and-shoulder-joint-function-in-a-calcific-tendinitis-patient-a-case-study
#10
Dong-Gun Oh, Kyung-Tae Yoo
[Purpose] The purpose of this case study was to identify the effects of independent and intensive therapeutic exercise using Proprioceptive neuromuscular facilitation on the size of calcium deposits, pain self-awareness, and shoulder joint function in a patient with calcific tendonitis. [Subject and Methods] The subject was a 42-year-old female patient with calcific tendonitis and acute pain who had difficulty with active movement and problems with general function. The independent and intensive Proprioceptive neuromuscular facilitation exercise was applied for 40 min twice a day five times a week for two weeks for a total of 20 times...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28209788/calcific-aortic-valve-disease-a-battle-of-the-sexes
#11
EDITORIAL
Ana M Porras, Chloé M McCoy, Kristyn S Masters
No abstract text is available yet for this article.
February 17, 2017: Circulation Research
https://www.readbyqxmd.com/read/28209631/hdpscs-fabricate-a-vascularised-woven-bone-tissue-a-new-tool-in-bone-tissue-engineering
#12
Francesca Paino, Marcella La Noce, Alessandra Giuliani, Alfredo De Rosa, Serena Mazzoni, Luigi Laino, Evzen Amler, Gianpaolo Papaccio, Vincenzo Desiderio, Virginia Tirino
Human dental pulp stem cells (hDPSCs) are mesenchymal stem cells successfully used in human bone tissue engineering. To better establish if these cells can lead to a bone tissue ready to be grafted, we checked DPSCs for their osteogenic and angiogenic differentiation capabilities with the specific aim to obtain a new tool for bone transplantation. Therefore, hDPSCs were specifically selected from the stromal-vascular dental pulp fraction, using appropriate markers and cultured. Growth curves, expression of bone-related markers, calcification, angiogenesis as well as in vivo transplantation assay were performed...
February 16, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28209459/progressive-subcortical-calcifications-secondary-to-venous-hypertension-in-an-intracranial-dural-arteriovenous-fistula
#13
Heather M Pascoe, Elaine H Lui, Peter Mitchell, Frank Gaillard
Intracranial dural arteriovenous fistulas (dAVF) are acquired lesions, with the most commonly reported findings on CT haemorrhage or focal oedema. We describe a case of progressive subcortical calcification on CT secondary to venous hypertension from a high grade dAVF.
February 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28209366/quantifying-aortic-valve-calcification-using-coronary-computed-tomography-angiography
#14
Abdulrahman M Alqahtani, Kevin E Boczar, Vinay Kansal, Kwan Chan, Girish Dwivedi, Benjamin J W Chow
INTRODUCTION: Aortic valve calcification (AVC) has been associated with major adverse cardiovascular events and all-cause mortality. We sought to develop and validate a method to quantify AVC using coronary CT angiography (CTA). METHODS: Of 59 patients who underwent both non-contrast and contrast enhanced coronary CTA, 25 patients served as the derivation cohort and 34 patients served as the validation cohort. For non-contrast enhanced CT, quantification of AVC was performed using the Agatston method for coronary artery calcification (CAC)...
January 30, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28209099/does-calcium-score-in-great-pelvic-vessels-predict-colorectal-anastomotic-leakage-a-prospective-study-of-one-hundred-anastomoses
#15
M T Norooz, H Moradi, M Safdarian, F Jahangiri, H A Amoli
BACKGROUND: Anastomotic leakage is one of the most severe surgical complications following surgery. This prospective study was designed to investigate an association between the calcification in the descending aorta and its major branches using a calcium-scoring software and colorectal anastomotic leakage. METHODS: From January 2012 to March 2013, one hundred patients underwent surgeries involving colorectal anastomosis procedures. Calcium score in descending aorta and great pelvic vessels was measured using the Syngo-CT 2006G-W software...
September 2016: Acta Gastro-enterologica Belgica
https://www.readbyqxmd.com/read/28208902/study-of-aortic-valve-sclerosis-as-a-marker-of-atherosclerosis-in-acute-coronary-syndromes
#16
Preeti Jane Picardo, Peter Daniel S Khariong, Ranendra Hajong, Debobratta Hajong, Narang Naku, Madhur Anand, Girish Sharma, K Lenish Singh
INTRODUCTION: Aortic valve sclerosis has been shown to be associated with increased incidence, chances of developing myocardial infarction and even death. The epidemiological risk factors causing calcification of aortic valves have also been found to cause atherosclerosis. AIM: To analyse the epidemiological risk factors causing aortic valve sclerosis which have been studied in details and analysed to see whether they cause any significant increase in the incidence of cardiovascular events...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208829/calcium-signaling-in-interstitial-cells-focus-on-telocytes
#17
REVIEW
Beatrice Mihaela Radu, Adela Banciu, Daniel Dumitru Banciu, Mihai Radu, Dragos Cretoiu, Sanda Maria Cretoiu
In this review, we describe the current knowledge on calcium signaling pathways in interstitial cells with a special focus on interstitial cells of Cajal (ICCs), interstitial Cajal-like cells (ICLCs), and telocytes. In detail, we present the generation of Ca(2+) oscillations, the inositol triphosphate (IP₃)/Ca(2+) signaling pathway and modulation exerted by cytokines and vasoactive agents on calcium signaling in interstitial cells. We discuss the physiology and alterations of calcium signaling in interstitial cells, and in particular in telocytes...
February 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28205492/significant-inverse-association-of-equol-producer-status-with-coronary-artery-calcification-but-not-dietary-isoflavones-in-healthy-japanese-men
#18
Vasudha Ahuja, Katsuyuki Miura, Abhishek Vishnu, Akira Fujiyoshi, Rhobert Evans, Maryam Zaid, Naoko Miyagawa, Takashi Hisamatsu, Aya Kadota, Tomonori Okamura, Hirotsugu Ueshima, Akira Sekikawa
Equol, a metabolite of the dietary isoflavone daidzein, is produced by the action of gut bacteria in some individuals who are termed as equol-producers. It is proposed to have stronger atheroprotective properties than dietary isoflavones. We examined a cross-sectional association of dietary isoflavones and equol-producer status with coronary artery calcification (CAC), a biomarker of coronary atherosclerosis, among men in Japan. A population-based sample of 272 Japanese men aged 40-49 years recruited from 2004 to 2007 was examined for serum isoflavones, serum equol, CAC and other factors...
January 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28203578/supersized-atheroma-causing-acquired-coarctation-of-aorta-leading-to-heart-failure
#19
Sajin Karakattu, Ghulam Murtaza, Sharma Dinesh, Kamesh Sivagnanam, Jeffrey Schoondyke, Timir Paul
Calcified atheromatous aortic lesion causing significant narrowing of the aorta is an uncommon clinical entity. This calcified atheroma leads to obstruction of the lumen of the aorta simulating acquired coarctation of aorta causing impaired perfusion of lower limbs, visceral ischemia, and hypertension. We report a case of 58-year-old patient who presented with dyspnea on exertion, orthopnea, paroxysmal nocturnal dyspnea, 25-lb weight gain, lower extremity edema, and chest pain. Extensive workup including computed tomography and magnetic resonance imaging revealed a large calcific mass in the aortic arch causing his presenting symptoms...
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28203565/tubular-dysfunction-mimicking-dent-s-disease-in-2-infants-born-with-extremely-low-birth-weight
#20
Midori Awazu, Mie Arai, Shoko Ohashi, Hirotaka Takahashi, Takashi Sekine, Kazushige Ikeda
Two preterm infants, with extremely low birth weight born at gestational weeks 24 and 25, showed generalized proximal tubular dysfunction during their stay in the neonatal intensive care unit, including glucosuria, low molecular weight proteinuria, phosphaturia, uricosuria, enzymuria (elevated urine N-acetyl-β-D-glucosaminidase), panaminoaciduria, and hypercalciuria, associated with renal calcification. Renal tubular acidosis was not present in either patient. DNA mutation analysis for Dent's disease, performed in patient 1, was negative...
January 2017: Case Reports in Nephrology and Dialysis
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