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Pericardium

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https://www.readbyqxmd.com/read/29327564/neo-pulmonary-valve-fabrication-using-tissue-engineered-pericardium-a-new-surgical-technique
#1
Jaroslav Benedik, Sharaf-Eldin Shehada, Fanar Mourad, Yacine Elhmidi, Juri Lubarski, Konstantinos Tsagakis, Heinz Jakob
No abstract text is available yet for this article.
January 9, 2018: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/29325064/comparison-of-right-ventricular-function-after-ministernotomy-and-full-sternotomy-aortic-valve-replacement-a-randomized-study
#2
Magnus Dalén, Cristina Oliveira Da Silva, Ulrik Sartipy, Reidar Winter, Anders Franco-Cereceda, Jasmin Barimani, Magnus Bäck, Peter Svenarud
OBJECTIVES: Right ventricular (RV) function is impaired after cardiac surgery, possibly because of the opening of the pericardium. In minimally invasive aortic valve replacement, the pericardium is only partially incised. METHODS: A randomized trial compared RV function after ministernotomy versus full sternotomy in 40 adults undergoing aortic valve replacement at the Karolinska University Hospital. Primary outcomes were tricuspid annular plane systolic excursion, RV pulsed-wave tissue Doppler velocity, RV fractional area change and basal and mid-RV transversal diameters on postoperative Days 4 and 40...
January 8, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29321967/teratoma-as-unusual-cause-of-chest-pain-hemoptysis-and-dyspnea-in-a-young-patient
#3
Irena Hammen, Achhe Lal Yadav
A 16-year-old girl presented with intermittent left chest pain and breathlessness on exertion for last 4 months with one episode of haemoptysis. There has been loss of appetite and weight loss of 4 kg over a period of 1 month. A chest radiograph revealed a large mass like opacity with pleural effusion in the left lung field. Computerized Tomography scanning (CT scanning) and Positron Emission Tomography/Computerized Tomography scanning (PET/CT scanning) demonstrated a 7 cm round, cystic lesion in the anterior mediastinum...
2018: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/29321423/constrictive-pericarditis-as-a-long-term-undetermined-etiology-of-ascites-and-edema
#4
Takahiro Kamio, Eiji Hiraoka, Kotaro Obunai, Hiroyuki Watanabe
Constrictive pericarditis (CP) is defined as impedance to diastolic filling caused by a fibrotic pericardium. The diagnosis of CP is a clinical challenge and requires a high index of clinical suspicion. The signs and symptoms of CP include fatigue, edema, ascites, and liver dysfunction. These can be mistakenly diagnosed as primary liver disease. We present the case of a 69-year-old woman with a 7-year history of leg edema and a 2-year history of ascites who was initially diagnosed with cryptogenic liver cirrhosis and was finally diagnosed with CP...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29319833/spontan-pneumomediastinum-ovanlig-orsak-till-akut-br%C3%A3-stsm%C3%A3-rta
#5
Carl Wengse, Gustav Bolinder, Emil Aman
A previously healthy 21-year old man presented to the emergency department with sudden onset central chest pain exacerbated by breathing. A plain chest X-ray showed air within the mediastinum and pericardium confirmed by a CT scan with contrast. The patient history did not raise suspicion of any concomitant disease and the diagnosis of spontaneous pneumomediastinum with pneumopericardium was made. The patient recovered completely over the next few days with bed rest and analgesics. Spontaneous pneumomediastinum is an uncommon disease caused by rupture of perivascular alveoli causing air leakage to the mediastinum...
January 9, 2018: Läkartidningen
https://www.readbyqxmd.com/read/29318960/the-role-of-inflammation-in-epicardial-adipose-tissue-in-heart-diseases
#6
Zdenek Matloch, Anna Cinkajzlova, Milos Mraze, Martin Haluzik
Epicardial adipose tissue is not only a specific adipose tissue depot but also an active endocrine organ producing numerous substances with an important role in the development of obesity-related heart diseases. It is located between myocardium and visceral pericardium and consists predominantly of adipocytes, immunocompetent cells, ganglia and interconnecting nerve branches. Several studies documented a positive correlation between pericardial and epicardial fat and left ventricular hypertrophy and septal thickening, leading to diastolic dysfunction, electrocardiographic abnormalities and facilitating cardiac failure...
January 9, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29313506/prevalence-of-tb-hiv-coinfection-in-antiretroviral-na%C3%A3-ve-patients-at-the-fann-ambulatory-treatment-center-in-dakar
#7
D Ka, N F Ngom Guéye, N Fall, N O Touré-Badiane, N Diop, G Batista, K Ndiaye, C T Ndour, M Seydi, M A Faye
To determine the prevalence of tuberculosis and describe its epidemiological, clinical, paraclinical, and therapeutic characteristics and its outcome in patients with HIV. This retrospective, descriptive, and analytical study examined the records of patients with HIV at our outpatient treatment center and selected those who were antiretroviral-naive and presented tuberculosis between January 2008 and December 2012. Among a total of 757 HIV-positive patients, 76 had tuberculosis, for a prevalence of 10 %. The sex ratio of 1...
November 1, 2017: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/29310810/radiological-features-and-metastatic-patterns-of-thymic-neuroendocrine-tumours
#8
T Araki, L M Sholl, H Hatabu, M Nishino
AIM: To investigate the clinical and image features of thymic neuroendocrine tumours (NETs), and characterise the radiological patterns of recurrence and metastasis on serial imaging studies. MATERIALS AND METHODS: The study included 14 patients (11 males) with a histopathological diagnosis of thymic NETs (one typical carcinoid, eight atypical carcinoid, and five large cell neuroendocrine carcinoma). Preoperative images were assessed for features of primary tumours...
January 5, 2018: Clinical Radiology
https://www.readbyqxmd.com/read/29303859/three-dimensional-radiological-assessment-of-alveolar-bone-volume-preservation-using-bovine-bone-xenograft
#9
Ali Al Qabbani, Sausan Al Kawas, Noor Hayati A Razak, Saad Wahby Al Bayatti, Hamid Hammad Enezei, A Rani Samsudin, Suzina Sheikh Ab Hamid
INTRODUCTION: Alveolar bone is critical in supporting natural teeth, dental implants as well as a removable and fixed prosthesis. Alveolar bone volume diminishes when its associated natural tooth is lost. OBJECTIVE: The aim of this study is to evaluate the effectiveness of bovine bone granules on alveolar bone socket augmentation for ridge preservation following atraumatic tooth extraction. MATERIALS AND METHODS: Twenty medically fit patients (12 males and 8 females aged between 18 and 40 years) who needed noncomplicated tooth extraction of 1 mandibular premolar tooth were divided randomly and equally into 2 groups...
January 4, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29280157/native-bovine-and-porcine-pericardia-respond-to-load-with-additive-recruitment-of-collagen-fibers
#10
Andrea Bagno, Paola Aguiari, Michele Fiorese, Laura Iop, Michele Spina, Gino Gerosa
Bovine and porcine pericardia are currently used for manufacturing prosthetic heart valves: their design has become an increasingly important area of investigation in parallel with progressively expanding indications for the transcutaneous approach to heart valves replacement. Before being cut and shaped, pericardial tissues are expected to be properly characterized. Actually, the mechanical assessment of these biomaterials lacks standardized protocols. In particular, the role of preconditioning for achieving a constant mechanical response of tissue samples is still controversial...
December 27, 2017: Artificial Organs
https://www.readbyqxmd.com/read/29276910/-a-rare-case-of-metastatic-tumor-of-heart-from-bludder-cancer
#11
A P Koval, G A Kukharchik, K V Dikarev, S R Minkin, L A Sorokin
The article presents a case report of metastatic heart damage which developed in association with urothelial bladder carcinoma in a 79-year old female patient. Various masses may be found in the heart. In tumors, a secondary damage to the heart is observed much more frequently than a primary damage; however, metastasis of bladder carcinoma to the heart is extremely rare. Of interest is the fact of metastatic damage to all layers of the heart, including the endocardium, pericardium, and myocardium.
2017: Kardiologiia
https://www.readbyqxmd.com/read/29275793/analysis-of-evidence-based-autism-symptoms%C3%A2-enhancement-by-acupuncture
#12
REVIEW
Hassan M M Abo Almaali, Ameer Gelewkhan, Zena A A Mahdi
Autism is considered as a complex developmental disability that appears during the first two years of life. It is considered as a neurological disorder that affects brain function leading to impaired development in social interaction and communication skills. Some clinical trials demonstrated that certain acupuncture points play relatively significant role in improving both signs and symptoms of this disease. Owing to limited information available about acupuncture point's combination and protocols, the present study aimed to explore the most frequently used acupuncture points and their channels for children with autism...
December 2017: Journal of Acupuncture and Meridian Studies
https://www.readbyqxmd.com/read/29275375/etiology-and-long-term-outcome-of-patients-undergoing-pericardiocentesis
#13
Alexander Strobbe, Tom Adriaenssens, Johan Bennett, Christophe Dubois, Walter Desmet, Keir McCutcheon, Johan Van Cleemput, Peter R Sinnaeve
BACKGROUND: Pericardial effusions can be caused by a variety of disorders. The frequency of the underlying diseases varies with patient population; therefore, previously reported series are not necessarily representative of other populations. Our purpose was to examine the etiology of pericardial effusions and the survival of patients requiring pericardiocentesis at a tertiary center. METHODS AND RESULTS: We performed a retrospective observational study of 269 consecutive patients who underwent percutaneous pericardiocentesis at our university hospital between 2006 and 2016 and had prospective follow-up for up to 10 years...
December 23, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29274929/intrapericardial-neurofibromatosis-with-coronary-involvement-a-case-report
#14
E A Moghadam, M A Navabi Shirazi, M R Mirzaaghayan, M Nikoufar, A Ghamari
Neurocutaneous syndromes are heterogenous diseases that are diagnosed in the presence of skin and central nervous system disorders. Neurofibromatosis (NF) is one of these disorders, with autosomal dominant inheritance, that causes tumors that grow on nerves as well as other abnormalities such as skin changes and bone deformities. The most common form of NF is type I. A 6-year-old Iranian boy with neurofibromatosis was referred to the pediatric cardiology clinic due to a soft holosystolic murmur discovered on routine examination...
December 20, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29273368/enhanced-vascular-regeneration-with-chemically-physically-treated-bovine-human-pericardium-in-rodents
#15
Mathieu van Steenberghe, Thomas Schubert, Daela Xhema, Caroline Bouzin, Yves Guiot, Jérôme Duisit, Karim Abdelhamid, Pierre Gianello
BACKGROUND: Glutaraldehyde-treated pericardia for cardiovascular applications have poor long-term clinical results. The efficacy of a combined physical/chemical treatment to improve pericardium biocompatibility and vascular regeneration was assessed and compared with detergent treatment and two commercial bovine pericardia: PeriGuard (DGBP) and Edwards pericardium (nDGBP). The physical and chemical process was applied to bovine and human pericardia (DBP-DHP), and the detergent process was applied to bovine (DDBP)...
February 2018: Journal of Surgical Research
https://www.readbyqxmd.com/read/29260497/equine-pericardium-for-tectonic-globe-repair
#16
Konstantinos Droutsas, Dimitrios Papaconstantinou, Ilias Georgalas, Georgios Kymionis, Konstantinos Andreanos, Elli Stamou, Nikolaos Mamas
PURPOSE: To describe the use of equine pericardium as an off-label temporary emergency treatment of scleral and corneal perforations. METHODS: Three eyes of two male patients aged 34 and 38 years were included, i.e. a case with a history of severe bilateral thermal burn undergoing phacoemulsification complicated by tearing of the main port causing iris exposure and a patient with bilateral corneal perforation secondary to non-infectious corneal melt due to presumed ocular non-steroid anti-inflammatory drug abuse...
December 19, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/29250240/towards-a-mechanistic-understanding-and-treatment-of-a-progressive-disease-atrial-fibrillation
#17
REVIEW
Felix Yang, Joseph Tiano, Suneet Mittal, Mintu Turakhia, Israel Jacobowitz, Yisachar Greenberg
Atrial fibrosis appears to be a key factor in the genesis and/or perpetuation of atrial fibrillation (AF). The pathological distribution of atrial fibrosis is geographically consistent with the attachments between the posterior left atrium and the pericardium along the reflections where wall stiffness is increased and structural changes are found. While there is a wide range of complex etiological factors and electrophysiological mechanisms in AF, there is evidence for a common pathophysiological pathway that could account for deliberate substrate formation and progression of AF...
October 2017: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/29242055/late-disseminated-lyme-disease-associated-pathology-and-spirochete-persistence-post-treatment-in-rhesus-macaques
#18
Nicholas A Crossland, Xavier Alvarez, Monica E Embers
Non-human primates currently serve as the best experimental model for Lyme disease due to their close genetic homology with humans and demonstration of all three phases of disease following infection with Borreliella (Borrelia) burgdorferi (Bb). We investigated the pathology associated with late disseminated Lyme disease (12 to 13 months following tick inoculation) in doxycycline-treated (28 days; 5mg/kg, oral, 2x/day) and untreated rhesus macaques (Rm). Minimal to moderate lymphoplasmacytic inflammation, with a predilection for perivascular spaces and collagenous tissues, was observed in multiple tissues including the cerebral leptomeninges, brainstem, peripheral nerves from both fore and hind limbs, stifle synovium and perisynovial adipose tissue, urinary bladder, skeletal muscle, myocardium, and visceral pericardium...
December 11, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29234970/aortic-valve-reconstruction-using-autologous-pericardium-ozaki-procedure-for-active-infective-endocarditis-a-case-report
#19
Kimiaki Okada, Yoshito Inoue, Hirofumi Haida, Satoru Suzuki
Approximately one-third of patients with infective endocarditis require surgical treatment, but the ideal procedure that prevents infection ensures long durability and maintains quality of life remains unclear. A 21-year-old man who was diagnosed with aortic active infective endocarditis was referred to our hospital for surgical treatment. Echocardiography showed bicuspid aortic valve, severe aortic regurgitation, a large vegetation, and a paravalvular abscess. We planned to perform elective surgical treatment after antibiotic therapy; however, progression to heart failure required urgent operation...
December 12, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29223730/characterization-of-a-new-decellularized-bovine-pericardial-biological-mesh-structural-and-mechanical-properties
#20
Alessandra Bielli, Roberta Bernardini, Dimitrios Varvaras, Piero Rossi, Giancarlo Di Blasi, Giuseppe Petrella, Oreste Claudio Buonomo, Maurizio Mattei, Augusto Orlandi
Implants made from naturally-derived biomaterials, also called biological meshes or biomeshes, typically derive from decellularized extracellular matrix of either animal or human tissue. Biomeshes have many biomedical applications such as ligament repair, bone and cartilage regeneration and soft tissue replacement. Bovine collagen is one of the most widely used and abundantly available xenogenic materials. In particular, bovine pericardium is widely used as extracellular matrix bioprosthetic tissue. The efficiency of a pericardial mesh to function as scaffold depends on the quality of the decellularization protocol used...
December 5, 2017: Journal of the Mechanical Behavior of Biomedical Materials
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