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https://www.readbyqxmd.com/read/28060847/enhanced-chondrogenic-differentiation-of-human-umbilical-cord-wharton-s-jelly-derived-mesenchymal-stem-cells-by-gsk-3-inhibitors
#1
Prapot Tanthaisong, Sumeth Imsoonthornruksa, Apichart Ngernsoungnern, Piyada Ngernsoungnern, Mariena Ketudat-Cairns, Rangsun Parnpai
Articular cartilage is an avascular, alymphatic, and aneural system with very low regeneration potential because of its limited capacity for self-repair. Mesenchymal stem cells (MSCs) are the preferred choice for cell-based therapies. Glycogen synthase kinase 3 (GSK-3) inhibitors are compounds that can induce the Wnt signaling pathway, which is involved in chondrogenesis and cartilage development. Here, we investigated the influence of lithium chloride (LiCl) and SB216763 synergistically with TGF-β3 on chondrogenic differentiation in human mesenchymal stem cells derived from Wharton's jelly tissue (hWJ-MSCs)...
2017: PloS One
https://www.readbyqxmd.com/read/28060794/postnatal-human-enteric-neuronal-progenitors-can-migrate-differentiate-and-proliferate-in-embryonic-and-postnatal-aganglionic-gut-environments
#2
Lily S Cheng, Ryo Hotta, Hannah K Graham, Jaime Belkind-Gerson, Nandor Nagy, Allan M Goldstein
BACKGROUND: Enteric neural stem/progenitor cells (ENSCs) offer an innovative approach to treating Hirschsprung disease (HSCR) and other enteric neuropathies. However, postnatal-derived human ENSCs have not been thoroughly characterized and their behavior in the embryonic and postnatal intestinal environment is unknown. METHODS: ENSCs were isolated from the intestines of 25 patients undergoing bowel resection, including 7 children with HSCR. Neuronal differentiation and proliferation of ENSCs from submucosal and myenteric plexuses from patients with and without HSCR were characterized...
January 6, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28044954/haemobilia-a-rare-cause-of-upper-gastro-intestinal-bleeding
#3
Daniel Ion, Carmen Iuliana Mavrodin, Mihai Bogdan Șerban, Tudor Marinescu, Dan Nicolae Păduraru
Haemobilia is a rare cause of upper gastrointestinal bleeding that consists of haemorrhage within the biliary tree. Most cases of haemobilia are due to iatrogenic cause, laparoscopic or open cholecystectomy, abdominal trauma, gallstones, hepatic tumours, vascular aneurism. We present the case of a male patient admitted in the surgery department for epigastric and right hypochondria pain, nausea and vomiting. Open cholecystectomy was performed with a trans-cystic tube drainage. Postoperative outcome was favourable but with a continuous decrease in haemoglobin level...
November 2016: Chirurgia
https://www.readbyqxmd.com/read/28009315/differences-in-ecg-characteristics-and-co-morbidities-among-patients-who-underwent-elective-surgical-repair
#4
I Botchorishvili, N Sharashidze, N Pargalava, Z Pagava, G Saatashvili
The aim of the study was to assess differences in ECG features and prevalence of comorbidies between two groups of patiens: with Abdominal Aortic Aneurism (AAA) and Aorto-Iliac Occlusive Desieses-Lerish Syndrome (LS). Data was collected for all consecutive adult patients who underwent elective surgical repair of AAA (fusiform aneurysm) or LS at "The Center of Vascular and Heart Diseases" (Tbilisi, Georgia) between 2010 and 2014. We studied a prevalence of Arterial Hypertension (AHT); Diabetes mellitus (DM); Renal Failure (RF),Peripheral Artery Disease (PAD), Coronary Artery Disease (CAD) and rate of coronary revascularization in these patients; We also, investigate some of the electrocariographic characteristics: Corrected QT interval(QTC),QT dispersion(QTD)...
November 2016: Georgian Medical News
https://www.readbyqxmd.com/read/27965719/what-is-the-role-of-contrast-enhanced-ultrasound-in-the-evaluation-of-the-endoleak-of-aortic-endoprostheses-a-comparison-between-ceus-and-ct-on-a-widespread-scale
#5
E David, V Cantisani, H Grazhdani, L Di Marzo, L Venturini, F Fanelli, M Di Segni, N Di Leo, L Brunese, F Calliada, M Ciccariello, A Bottari, G Ascenti, F D'Ambrosio
OBJECTIVE: To evaluate the accuracy of contrast-enhanced ultrasound (CEUS) in comparison to CT angiography (CTA) to identify and classify endoleaks following abdominal aortic aneurism repair with endoprosthesis. MATERIALS AND METHODS: A retrospective analysis of 181 patients treated with EVAR, from September 2009 to September 2014, was performed. Patients were evaluated with CEUS, CTA and angiography in the cases requiring treatment. Sac diameter, sac integrity, identification and classification of endoleaks were taken into consideration...
December 2016: Journal of Ultrasound
https://www.readbyqxmd.com/read/27941240/surgical-treatment-of-chronic-multivascular-mesenteric-ischemia-in-a-patient-with-antiphospholipid-syndrome-abdominal-aortic-aneurism-and-renal-cancer-when-planning-overwhelms-complexity
#6
Panagiotis Paliogiannis, Giorgio Carlo Ginesu, Claudio Francesco Feo, Maria Laura Cossu, Antonio Pinna, Giulia Farina, Gianpaolo Vidili, Alberto Porcu
: Chronic mesenteric ischemia is a clinical condition caused by obstructive or occlusive disease of the mesenteric vessels, with potentially lethal consequences. We describe a case of open multiple revascularization in a patient affected by antiphospholipid syndrome and diffuse atherosclerosis, with an abdominal aortic aneurism, a contracted kidney, a renal cancer affecting the contralateral kidney, and as a consequence, a chronic renal failure and hypertension. We revascularized the celiac trunk, the superior and inferior mesenteric arteries, and the right renal artery using saphenous grafts; the aneurism was corrected, and the renal tumor was treated by radiofrequency ablation...
December 20, 2016: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/27931169/a-mouse-model-of-bilateral-cervical-contusion-compression-spinal-cord-injury
#7
Nicole Forgione, Mahmood Chamankhah, Michael G Fehlings
Cervical spinal cord injury (cSCI) occurs in over half of all cases of traumatic spinal cord injury (SCI), yet we lack therapies that can generate significant functional recovery in these patients. The development of animal models of cSCI will aid in the pre-clinical assessment of therapies and in understanding basic pathophysiological mechanisms. Here, we describe a clinically relevant model of cervical contusion-compression injury in the mouse. Using a modified aneurysm clip, we generated a bilateral, incomplete injury that mimics contusion-compression injuries most commonly observed in humans...
January 18, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27906938/technical-strategies-and-anatomic-considerations-for-an-extrapedicular-modified-inferior-endplate-access-to-thoracic-and-lumbar-vertebral-bodies
#8
Douglas P Beall, Blake Parsons, Scott Burner
BACKGROUND: Percutaneous access to the vertebral bodies is commonly done via the transpedicular approach for both diagnoses and treatment of spinal pathology. While this approach is effective in most cases, it is difficult in certain situations such as a patient with obstructing hardware from prior surgery. OBJECTIVES: To investigate and illustrate an alternative to the typical percutaneous access to the vertebral body via an extrapedicular approach and to determine the complications associated with this approach...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27906849/carotid-artery-aneurysm-a-rare-cause-of-hemotympanum
#9
Selçuk Güneş, Zahide Mine Yazici, Hakan Selçuk, Baver Masallah Şimşek, Mustafa Çelik, Fatma Tülin Kayhan
Temporal bone fractures can occur as a result of various head trauma. The most common cause of the hemotympanum is traumatic temporal bone fracture. Facial paralysis and hearing loss can be seen associated with temporal bone fracture. The development of the internal carotid artery aneurysm after temporal bone fracture is extremely rare. In this article, the authors evaluated carotid artery aneurysm that developed after temporal fracture and aneurism compressed by coagulated blood mass which showed itself as a hemotympanum...
November 30, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27890838/preoperative-evaluation-of-the-renal-function-before-the-treatment-of-abdominal-aortic-aneurysms
#10
Raphael Coscas, Sandra Wagner, Eve Vilaine, Albane Sartorius, Isabelle Javerliat, Olivier Goeau-Brissonniere, Marc Coggia, Ziad Massy
OBJECTIVES: Chronic impaired renal function (IRC) constitutes a major risk factor of morbi-mortality during the treatment of an abdominal aortic aneurism (AAA). The inflammatory state due to the AAA could result in a reduction in the muscular mass and an over-estimation of the glomerular filtration rate (GFR) with the usual formulas. The objective of this study was to determine if the formulae used to evaluate the estimated GFR were adapted in patients with AAA. MATERIALS AND METHODS: Between August 2013 and November 2014, we conducted an exploratory study to evaluate the renal function before surgery for AAA in 28 patients...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27865221/-massive-upper-airway-bleeding-a-rare-case-of-aortobronchial-fistula
#11
Paola Gudiel Arriaza, Amparo Sánchez Serrano, Jorge Marques do Vale, Isabel Gil Pereira, António Simões Torres, Maria José Martín Sánchez
Clinical presentation of haemoptysis and haematemesis often generates confusion, becoming a difficult task to determine the source of upper airway bleeding. Aortobronchial fistula is a rare entity, but has been a reported complication in patients that have undergone aortic vascular surgery. A high clinical suspicion is fundamental to making this diagnosis. A 69 year old male, with a previous diagnosis of chronic gastritis, is admitted to the emergency room for vomiting blood. In the first 24 hours after admission, the patient develops respiratory insufficiency after an episode of massive bleeding from his mouth...
June 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/27865218/-percutaneous-endovascular-aortic-repair-with-local-anesthesia-one-day-surgery
#12
Joel Sousa, Daniel Brandão, Paulo Barreto, Joana Ferreira, José Almeida Lopes, Armando Mansilha
INTRODUCTION: To evaluate the results of the abdominal aortic aneurism endovascular treatment (EVAR), percutaneously and with local anesthesia, according to the concept of one day surgery. MATERIAL AND METHODS: Unicentric, retrospective analysis of patients with aorto-iliac aneurysmal disease, consecutively treated by EVAR with percutaneous access trough the Preclose technique (pEVAR), according to the outpatient criteria, with one overnight stay in the hospital...
June 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/27831903/calciprotein-particles-as-potential-etiologic-agents-of-idiopathic-preterm-birth
#13
Lydia L Shook, Catalin S Buhimschi, Antonette T Dulay, Megan E McCarthy, John T Hardy, Christina M Duzyj Buniak, Guomao Zhao, Irina A Buhimschi
Preterm birth (PTB) is a leading cause of neonatal morbidity and mortality and is often preceded by preterm premature rupture of the membranes (PPROM) without an identifiable cause. Pathological calcification, the deposition of hydroxyapatite (HA) in nonskeletal tissues, has been implicated in degenerative diseases including atherosclerosis and aneurism rupture. Among pathogenic mechanisms, the aberrant aggregation of HA into calciprotein particles (CPPs) and the HA-induced differentiation of mesenchymal cells into osteoblasts (ectopic osteogenesis) have been implicated...
November 9, 2016: Science Translational Medicine
https://www.readbyqxmd.com/read/27801399/-the-modern-role-of-microsurgery-in-treatment-of-large-and-giant-aneurysms-of-the-internal-carotid-artery
#14
O D Shekhtman, Sh Sh Eliava, S B Yakovlev, Yu V Pilipenko, An N Konovalov
INTRODUCTION: Large (1.5-2.5 cm) and giant (>2.5 cm in diameter) aneurysms of the internal carotid artery (ICA) remain one of the complex neurosurgical pathologies in terms of microsurgery. In recent years, endovascular techniques for treatment of paraclinoid aneurysms, in particular ICA reconstruction using flow-diverting stents, have become a priority. However, surgery of flow stents has a number of limitations, therefore the choice of treatment in each case is individual. PURPOSE: To analyze the results of direct surgery in patients with large and giant aneurysms of the ICA and to determine the role and place of modern microsurgical techniques in the treatment of this vascular disease...
2016: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/27777423/characterization-and-transplantation-of-enteric-neural-crest-cells-from-human-induced-pluripotent-stem-cells
#15
W Li, L Huang, J Zeng, W Lin, K Li, J Sun, W Huang, J Chen, G Wang, Q Ke, J Duan, X Lai, R Chen, M Liu, Y Liu, T Wang, X Yang, Y Chen, H Xia, A P Xiang
The enteric nervous system (ENS) is recognized as a second brain because of its complexity and its largely autonomic control of bowel function. Recent progress in studying the interactions between the ENS and the central nervous system (CNS) has implicated alterations of the gut/brain axis as a possible mechanism in the pathophysiology of autism spectrum disorders (ASDs), Parkinson's disease (PD) and other human CNS disorders, whereas the underlying mechanisms are largely unknown because of the lack of good model systems...
October 25, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27769582/-orbito-palpebral-vascular-pathology
#16
REVIEW
F Heran Dreyfus, O Galatoire, P Koskas, F Lafitte, E Nau, O Bergès
Orbito-palpebral vascular pathology represents 10% of all the diseases of this area. The lesion may be discovered during a brain CT scan or MRI, or because it causes clinical symptoms such as orbital mass, visual or oculomotor alteration, pain, proptosis, or acute bleeding due to a complication of the lesion (hemorrhage, thrombosis). We present these lesions using an anatomical, clinical, imaging and therapeutic approach. We distinguish four different entities. Vascular tumors have common imaging characteristics (hypersignal on T2 sequence, contrast enhancement, abnormal vascularization well depicted with ultrasound and Doppler, and possible bleeding)...
November 2016: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/27741483/cardiovascular-disease-in-patients-with-osteogenesis-imperfecta-a-nationwide-register-based-cohort-study
#17
Lars Folkestad, Jannie Dahl Hald, Jeppe Gram, Bente L Langdahl, Anne Pernille Hermann, Axel Cp Diederichsen, Bo Abrahamsen, Kim Brixen
BACKGROUND: Osteogenesis imperfecta (OI) is a hereditary connective tissue disease often due to mutations in genes coding for type 1 collagen. Collagen type 1 is important in the development of the heart and vasculature. Little is known about the risk of cardiovascular disease (CVD) in OI. OBJECTIVE: To investigate the risk of symptomatic CVD in OI. DESIGN: A Danish nationwide, population-based and register-based longitudinal open cohort study...
September 30, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27669821/everolimus-safety-and-efficacy-for-renal-angiomyolipomas-associated-with-tuberous-sclerosis-complex-a-spanish-expanded-access-trial
#18
Nicolás Roberto Robles, Ramón Peces, Álvaro Gómez-Ferrer, Felipe Villacampa, Jose Luis Álvarez-Ossorio, Pedro Pérez-Segura, Juan Morote, Bernardo Herrera-Imbroda, Javier Nieto, Joaquín Carballido, Urbano Anido, Marian Valero, Cristina Meseguer, Roser Torra
BACKGROUND: Renal angiomyolipomas (AML) are usual manifestations of tuberous sclerosis complex (TSC) that may cause aneurism-related haemorrhages and renal impairment. Everolimus has emerged as an alternative to surgery/embolization. We provide further insight into everolimus safety and efficacy for TSC-related AML. METHODS: This was a Spanish expanded access trial including patients aged ≥18 years with TSC-related AML. They received 10 mg everolimus once daily until AML progression, unacceptable toxicity, death/withdrawal, commercialisation for TSC-related AML, or 1 year after first patient enrolment...
September 26, 2016: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/27663435/treatment-with-aromatase-inhibitors-and-markers-of-cardiovascular-disease
#19
Eva Blondeaux, Debora Musio, Paolo Bruzzi, Matteo Lambertini, Valerio Gazzola, Francesca Poggio, Stefania Vecchio, Alessia Levaggi, Alessia D'Alonzo, Maria Cecilia Perfumo, Claudia Bighin, Sara Giraudi, Domenico Palombo, Lucia Del Mastro
PURPOSE: The cardiovascular effects of estrogen deprivation induced by aromatase inhibitors are unknown. We carried out a cross-sectional study to evaluate the effect of estrogen deprivation induced by aromatase inhibitors on markers of cardiovascular risk. METHODS: We enrolled 410 postmenopausal women: 200 consecutive breast cancer patients treated with aromatase inhibitors for a median of 53 months (range 23-122) and 210 volunteer controls. Carotid intima-media thickness, presence of carotid stenosis, and presence of abdominal aortic aneurism were evaluated through an ultrasound examination...
November 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27642615/analysis-of-enteric-neural-crest-cell-migration-using-heterotopic-grafts-of-embryonic-guts
#20
Rodolphe Soret, Nicolas Pilon
Hirschsprung disease (HSCR), also named aganglionic megacolon, is a severe congenital malformation characterized by a lack of enteric nervous system (ENS) in the terminal regions of the bowel (Bergeron et al., 2013). As the ENS notably regulates motility in the whole gastrointestinal track, the segment without neurons remains tonically contracted, resulting in functional intestinal obstruction and accumulation of fecal material (megacolon). HSCR occurs when enteric neural progenitors of vagal neural crest origin fail to fully colonize the developing intestines...
September 5, 2016: Bio-protocol
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