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https://www.readbyqxmd.com/read/28444887/morphological-study-of-the-atrioventricular-conduction-system-and-purkinje-fibers-in-yak
#1
Deyong Duan, Sijiu Yu, Yan Cui, Chaoxu Li
We studied the morphology of the atrioventricular conduction system (AVCS) and Purkinje fibers of the yak. Light and transmission electron microscopy were used to study the histological features of AVCS. The distributional characteristics of the His-bundle, the left bundle branch (LBB), right bundle branch (RBB), and Purkinje fiber network of yak hearts were examined using gross dissection, ink injection, and ABS casting. The results showed that the atrioventricular node (AVN) of yak located in the right side of interatrial septum and had a flattened ovoid shape...
April 26, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28444376/management-of-patients-with-transposition-of-the-great-arteries-and-intact-interventricular-septum%C3%A2
#2
Arun Gopalakrishnan, Kavassery Mahadevan Krishnamoorthy, Krishna Kumar Mohanan Nair, Ajitkumar Valaparambil
No abstract text is available yet for this article.
April 21, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28442758/an-amidase_3-domain-containing-n-acetylmuramyl-l-alanine-amidase-is-required-for-mycobacterial-cell-division
#3
Sibusiso Senzani, Dong Li, Ashima Bhaskar, Christopher Ealand, James Chang, Binayak Rimal, Chengyin Liu, Sung Joon Kim, Neeraj Dhar, Bavesh Kana
Mycobacteria possess a multi-layered cell wall that requires extensive remodelling during cell division. We investigated the role of an amidase_3 domain-containing N-acetylmuramyl-L-alanine amidase, a peptidoglycan remodelling enzyme implicated in cell division. We demonstrated that deletion of MSMEG_6281 (Ami1) in Mycobacterium smegmatis resulted in the formation of cellular chains, illustrative of cells that were unable to complete division. Suprisingly, viability in the Δami1 mutant was maintained through atypical lateral branching, the products of which proceeded to form viable daughter cells...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28441821/-assessment-of-undiagnosed-critical-congenital-heart-disease-before-discharge-from-the-maternity-hospital
#4
Q M Zhao, F Liu, L Wu, M Ye, B Jia, X J Ma, G Y Huang
Objective: Undiagnosed critical congenital heart disease (CCHD) was assessed before discharge from maternity hospital.Basic information was provided for screening CCHD in the early neonatal stage.Chi-squared test was used for comparison of categorical variables(detection rate of different types of CCHD). Method: A retrospective cohort study was conducted in neonates with CCHD who were admitted to Children's Hospital of Fudan University between 1 January 2012 and 31 December 2015. For comparing with the previously reported undiagnosed rate of CCHD at discharge, CCHD was defined as all duct dependent congenital heart disease (DDCHD) and any cyanotic CHD that required early surgery...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28440857/the-anterior-complex-a-visual-mnemonic-to-aid-in-identification-of-normal-structures
#5
Angela C Ranzini
The anterior complex of the fetal brain is a group of structures that are important to evaluate during the routine anatomic survey to exclude several serious brain malformations. These structures include the cavum septum pellucidum, anterior horns, interhemispheric fissure, callosal sulcus, and corpus callosum. The relationship between these structures is easily remembered with the presented visual cartoon. © 2017 Wiley Periodicals, Inc. J Clin Ultrasound, 2017.
April 25, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28439489/detection-and-analysis-of-lactobacillus-paracasei-penicillin-binding-proteins-revealed-the-presence-of-cholate-sensitive-penicillin-binding-protein-3-and-an-elongated-cell-shape-in-a-cholate-sensitive-strain
#6
Masahiro Hattori, Glaezel Angelique Torres, Naoto Tanaka, Sanae Okada, Akihito Endo, Junichi Nakagawa
Penicillin-binding proteins (PBPs) are responsible for peptidoglycan synthesis. By using biotinylated ampicillin, we detected PBPs of Lactobacillus paracasei strains. Ten PBPs were identified, 7 of which had apparent molecular sizes similar to those of Escherichia coli. In the presence of cholate, strain NRIC 0625 showed an elongated shape, and its putative PBP3 showed cholate-sensitive penicillin-binding activity. Furthermore, this strain was highly sensitive to cefalexin, which is known to inhibit cell division by inactivating PBP3...
2017: Bioscience of Microbiota, Food and Health
https://www.readbyqxmd.com/read/28438795/cystic-tumour-of-the-atrioventricular-node-treatment-dilemma
#7
Wael Abuzeid, Robert B H Myers
An asymptomatic 18-year-old black woman was found to have an incidental finding of third-degree atrioventricular (AV) block on a routine ECG. 2-Dimensional transthoracic echocardiography showed a heterogeneous mass in the region of the peri-membranous septum in the AV node area. A cardiac MRI showed a well-defined cystic mass arising from the right side of the interatrial septal wall. An MRI compatible permanent pacemaker was implanted with plans to monitor the tumour with non-invasive imaging. Cystic tumour of the AV node is a rare primary cardiac tumour...
April 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28435129/laparoscopic-sacral-colpopexy-the-%C3%A2-6points-%C3%A2-technique
#8
Marie Schaub Resident, Lise Lecointre, Emilie Faller, Thomas Boisramé, Jean-Jacques Baldauf, Arnaud Wattiez, Cherif Youssef Akladios
STUDY OBJECTIVE: Illustrate laparoscopic sacral colpopexy for pelvic organ prolapse, a new method using a simplified mesh fixation technique, with only six fixation points DESIGN: A step-by-step explanation of the surgery using video (educative video) The video was approved by the local IRB. SETTING: University Hospital of Strasbourg, France. PATIENTS: Women with multicompartment prolapse INTERVENTION: First, we dissect the promontorium, and vertically incise the posterior parietal peritoneum on the right pelvic sidewall until the pouch of Douglas...
April 18, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28434960/solitary-cysticercal-cyst-insidethe-blake-s-pouch-remnant-of-mega-cisterna-magna-with-associated-aqueductal-stenosis-the-clinical-and-management-implications
#9
Kuntal Kanti Das, Jaskaran Singh Gosal, Suyash Singh, Anant Mehrotra, Awadhesh Jaiswal, Sushila Jaiswal, Raj Kumar
BACKGROUND: Intraventricular and subarachnoid forms represent the relatively complex albeit uncommon manifestations of the central nervous system involvement by the cysticercal cysts. Cysticercal encystationinsidethe Blake's pouch remnant of mega cisterna magna remainsan extremely rare clinical scenario and to the best of our knowledge, has not been reported before. CASE REPORT: Herein, we report the case of a 12-year-old boy who presented with acute worsening and subsequent spontaneous resolution of his compensated hydrocephalus...
April 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28433648/repeated-threat-without-direct-harm-alters-metabolic-capacity-in-select-regions-that-drive-defensive-behavior
#10
D J Kim, A S Lee, A A Yttredahl, R Gómez-Rodríguez, B J Anderson
To understand the behavioral consequences of intermittent anticipatory stress resulting from threats without accompanying physiological challenges, we developed a semi-naturalistic rodent housing and foraging environment that can include threats that are unpredictable in timing. Behavior is automatically recorded while rats forage for food or water. Over three weeks, the threats have been shown to elicit risk assessment behaviors, increase defensive burying and increase adrenal gland weight. To identify brain regions activated by this manipulation, we measured cytochrome c oxidase (COX), which is tightly coupled to neural activity...
April 19, 2017: Neuroscience
https://www.readbyqxmd.com/read/28433439/cardiac-amyloidosis-shows-decreased-diastolic-function-as-assessed-by-echocardiographic-parameterized-diastolic-filling
#11
Katrin Salman, Peter A Cain, Benjamin T Fitzgerald, Martin G Sundqvist, Martin Ugander
Cardiac amyloidosis is a rare but serious condition with poor survival. One of the early findings by echocardiography is impaired diastolic function, even before the development of cardiac symptoms. Early diagnosis is important, permitting initiation of treatment aimed at improving survival. The parameterized diastolic filling (PDF) formalism entails describing the left ventricular filling pattern during early diastole using the mathematical equation for the motion of a damped harmonic oscillator. We hypothesized that echocardiographic PDF analysis could detect differences in diastolic function between patients with amyloidosis and controls...
April 19, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28432416/commentary-on-3d-photogrammetric-analysis-of-the-nasal-tip-projection-and-derotation-based-on-the-nasal-tip-quadripod-concept
#12
Cerkes Nazım
Asian noses are mainly characterized by a low nasal dorsum, a short nose and an underprojected nasal tip due to underdeveloped (short and weak) alar cartilages. The goals of the surgery are to increase the tip projection, elongate the nose and augment the dorsum. In Asian noses the structural approach helps strengthen the weak cartilages and add definition to the nasal tip. There are various methods to increase tip projection and definition. Columellar strut, caudal septal extension graft, tip grafts and lateral crural grafts in order to elongate the upper legs of the nasal tip tripod can be used...
April 21, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28429083/intravenous-treprostinil-infusion-via-a-fully-implantable-pump-for-pulmonary-arterial-hypertension
#13
Ralf Ewert, Manuel J Richter, Regina Steringer-Mascherbauer, Ekkehard Grünig, Tobias J Lange, Christian F Opitz, Christian Warnke, Hossein-Ardeschir Ghofrani
OBJECTIVES: Parenteral prostanoids infused via external pumps are well-established pulmonary arterial hypertension (PAH) treatments. However, local side-effects and systemic infections restrict their use. The purpose of this study was to investigate the safety of a fully implantable treprostinil infusion pump (LENUS Pro(®)) in patients with PAH. METHODS: Thirty patients with PAH undergoing pump implantation (with stable PAH therapy for ≥3 weeks pre-implantation) were included in this prospective, multicenter, observational study (NCT01979822)...
April 20, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28421590/double-outlet-right-ventricle-with-absent-infundibular-septum-and-common-ventriculo-arterial-valve
#14
Paolo Ciliberti, Aurelio Secinaro, Gabriele Rinelli, Alessia Del Pasqua, Adriano Carotti
No abstract text is available yet for this article.
2017: Cardiology Journal
https://www.readbyqxmd.com/read/28420535/technique-for-myocardial-protection-in-pulmonary-atresia-intact-ventricular-septum
#15
Ronald K Woods
No abstract text is available yet for this article.
April 2, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28419603/assembly-and-activation-of-the-escherichia-coli-divisome
#16
REVIEW
Shishen Du, Joe Lutkenhaus
Cell division in Escherichia coli is mediated by a large protein complex called the divisome. Most of the divisome proteins have been identified, but how they assemble onto the Z ring scaffold to form the divisome and work together to synthesize the septum is not well understood. In this review, we summarize the latest findings on divisome assembly and activation as well as provide our perspective on how these two processes might be regulated. This article is protected by copyright. All rights reserved.
April 17, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28418355/-morphometric-features-of-cardiomyocytes-in-the-ventricular-septum-of-patients-with-hypertrophic-cardiomyopathy
#17
I F Egorova, R A Serov, L A Bockeria
AIM: to determine the diameter and length of cardiomyocytes (CMC) in the ventricular septum (VS) of patients with hypertrophic cardiomyopathy (HCM) and to analyze correlations of a change in CMC sizes with the anatomical features of the heart in the patients. MATERIAL AND METHODS: Longitudinal sections of intraoperative myocardial biopsy specimens taken from 23 patients aged 15-59 years with HCM were treated using immunohistochemical detection of connexin 43; the sizes of 50 CMCs were measured; a 4-point scale was used to assess the degree of myofibril loss (MFL) in these cells...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28415904/wire-atrial-septostomy
#18
Masataka Kitano, Masanori Tsukada, Mistuhiro Fujino
Both balloon atrial septostomy and static balloon dilation are often ineffective in creating a large atrial septal defect in patients with a thickened atrial septum. In such situations, blade atrial septostomy and atrial septal stenting are alternative treatments. We have devised and performed a new technique, called wire atrial septostomy, which uses a thin soft wire to create a large defect. The details of the procedure are presented.
January 1, 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28415122/p1138cardiac-shear-wave-velocity-in-healthy-individuals
#19
M Strachinaru, M L Geleijnse, J G Bosch, N De Jong, Afw Van Der Steen, B M Van Dalen, H J Vos
Background: The closure of the valves generates shear waves in the heart walls. The propagation velocity of shear waves relates to stiffness. This could potentially be used to estimate the stiffness of the myocardium, with huge potential implications in pathologies characterized by a deterioration of the diastolic properties of the left ventricle. In an earlier phantom study we already validated shear wave tracking with a clinical ultrasound system in cardiac mode. Purpose: In this study we aimed to measure the shear waves velocity in normal individuals...
December 1, 2016: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28414682/a-left-main-coronary-artery-thrombus-presenting-as-a-non-st-elevation-mi
#20
U Ezema, D Daberkow, T Delord, L Guidry, N R Sells
INTRODUCTION: Left main coronary artery (LMCA); thrombus with an acute myocardial infarction identified with coronary angiography is a clinically rare condition with an extremely high mortality rate. We present a case of LMCA thrombus that presented as a non-ST elevation myocardial infarction (NSTEMI);. CASE: A 45-year-old woman with a history of tobacco use and hyperlipidemia presented with a complaint of 10/10 "hard pain" across her chest radiating to her left shoulder and breast which woke her from sleep...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
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