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https://www.readbyqxmd.com/read/28932358/estimating-pressure-gradients-by-auscultation-how-technology-echocardiography-can-help-improve-clinical-skills
#1
Rohini L Kadle, Colin K L Phoon
AIM: To extend our previously-published experience in estimating pressure gradients (PG) via physical examination in a large patient cohort. METHODS: From January 1, 1997 through December 31, 2009, an attending pediatric cardiologist compared clinical examination (EXAM) with Doppler-echo (ECHO), in 1193 patients with pulmonic stenosis (PS, including tetralogy of Fallot), aortic stenosis (AS), and ventricular septal defect (VSD). EXAM PG estimates were based primarily on a murmur's pitch, grade, and length...
August 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28916901/pulmonic-valve-disease-review-of-pathology-and-current-treatment-options
#2
REVIEW
Mouhammad Fathallah, Richard A Krasuski
PURPOSE OF REVIEW: Our review is intended to provide readers with an overview of disease processes involving the pulmonic valve, highlighting recent outcome studies and guideline-based recommendations; with focus on the two most common interventions for treating pulmonic valve disease, balloon pulmonary valvuloplasty and pulmonic valve replacement. RECENT FINDINGS: The main long-term sequelae of balloon pulmonary valvuloplasty, the gold standard treatment for pulmonic stenosis, remain pulmonic regurgitation and valvular restenosis...
September 16, 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28912039/acquired-heart-disease-superimposed-on-congenital-heart-disease
#3
D Luke Glancy
A 50-year-old man with a murmur since birth developed systemic arterial hypertension as an adult. He came to the hospital because of dyspnea. He had a pulmonic valve ejection click and a murmur of pulmonic stenosis. His echocardiogram showed biventricular hypertrophy, a flat ventricular septum, a D-shaped left ventricle, systolic doming of the pulmonic valve, and Doppler evidence of a 70 mm Hg peak systolic pressure gradient across the pulmonic valve and a peak right ventricular systolic pressure of 100 mm Hg...
August 12, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28887041/partial-anomalous-pulmonary-venous-connection-in-a-dog
#4
Chloe L Thorn, Naomi R Ford, Meg M Sleeper
A 2-year-old male intact Belgian Malinois was presented for exercise intolerance. A grade III/VI left basilar systolic murmur was detected. Echocardiography revealed moderate right atrial and ventricular dilation and increased pulmonic outflow velocity. Thoracic radiographs showed right heart enlargement and a dilated caudal vena cava. In addition, on the left lateral projection, an enlarged aberrant right cranial pulmonary lobar vein was suspected to be diverging ventrally from the course of the right cranial lobar bronchus and inserting more ventrally than normal in the region of the right atrium...
September 5, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28843325/pulmonary-valve-procedures-late-after-repair-of-tetralogy-of-fallot-current-perspectives-and-contemporary-approaches-to-management
#5
REVIEW
Catriona J Bhagra, Edward J Hickey, Alexander Van De Bruaene, S Lucy Roche, Eric M Horlick, Rachel M Wald
Few topics in adult congenital heart disease have approached the level of scrutiny bestowed on pulmonary valve replacement (PVR) strategies late after tetralogy of Fallot (TOF) repair. Despite the successes of primary surgery for TOF, there is a growing group of adults with residual right ventricular outflow tract and pulmonary valve dysfunction. Patients with residual chronic pulmonic regurgitation as a consequence of earlier surgery can later develop symptoms of exercise intolerance and complications including heart failure, tachyarrhythmias, and sudden cardiac death...
September 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28797718/atrial-arrhythmias-after-lung-transplantation
#6
REVIEW
Henri Roukoz, David G Benditt
Atrial arrhythmias are a common complication after lung transplant (LT), occurring in about 16-46% of LT patients early postoperatively, and in about 14% during longer-term follow-up. They have a significant impact on postoperative in-hospital length of stay and may have an impact on overall mortality. In this report, we review the incidence and risk factors of post lung transplant AA, their pathogenesis and their impact on short- and long-term outcomes. Pharmacological management options are reviewed. In brief, early atrial arrhythmias tend to be mostly atrial fibrillation and are treated acutely with a rate control strategy followed if needed by rhythm control for 4-6 weeks...
August 1, 2017: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28783910/effects-of-copper-on-the-survival-hatching-and-reproduction-of-a-pulmonate-snail-physa-acuta
#7
Lei Gao, Hai Doan, Bhanu Nidumolu, Anupama Kumar, Debra Gonzago
Acute and chronic bioassays provide essential basis for establishment of environmental quality standards. The effects of Cu on a pulmonate snail, Physa acuta, were investigated at a number of sublethal and lethal endpoints. Cu exposure suppressed movement and triggered an escape response in P. acuta at low and high concentrations, respectively, exerting acute toxic effects on adult snails exposed to a 96 h LC50 of 23.8 μg L(-1). Following 16 d exposure of Cu to the egg masses, successful hatching decreased with increasing Cu concentration...
October 2017: Chemosphere
https://www.readbyqxmd.com/read/28770679/the-stomatogastric-and-enteric-nervous-system-of-the-pulmonate-snail-megalobulimus-abbreviatus-a-neurochemical-analysis
#8
Malcon Andrei Martinez-Pereira, Raphaela da Cunha Franceschi, Bárbara Paranhos Coelho, Denise M Zancan
Chemical coding of stomatogastric nervous system (STNS) and enteric nervous system (ENS) of midgut and hindgut in the snail Megalobulimus abbreviatus was investigated using histochemistry, histofluorescence, and immunohistochemistry. The gastrointestinal plexuses, constituted by intrinsic neurons and fibers originating from the subesophageal ganglia and/or STNS, showed intense acetylcholinesterase (AChE) and nicotinamide adenine dinucleotide diaphorase (NADPHd) activity. The enteric neurons and fibers with AChE activity are scattered in the submucosa and between both muscular layers of gastrointestinal tract, whereas NADPHd neurons and fibers are more abundant between muscular layers than in the submucosa...
August 2017: Zoological Science
https://www.readbyqxmd.com/read/28720136/bilateral-multiple-pulmonary-artery-aneurysms-associated-with-cavitary-pulmonary-tuberculosis-a-case-report
#9
Pedro Pallangyo, Frederick Lyimo, Smita Bhalia, Hilda Makungu, Bashir Nyangasa, Flora Lwakatare, Pal Suranyi, Mohamed Janabi
BACKGROUND: Pulmonary artery aneurysms constitute <1% of aneurysms occurring in the thoracic cavity. Congenital cardiac defects are responsible for the majority (>50%) of cases, however, pulmonary artery aneurysm is a rare sequelae of pulmonary tuberculosis reported in about 5% of patients with chronic cavitary tuberculosis on autopsy. The natural history of this potentially fatal condition remains poorly understood and guidelines for optimal management are controversial. CASE PRESENTATION: A 24-year-old man, a nursing student of African descent, was referred to us from an up-country regional hospital with a 4-week history of recurrent episodes of breathlessness, awareness of heartbeats and coughing blood 3 weeks after completing a 6-month course of anti-tuberculosis drugs...
July 19, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28718693/effects-of-sedation-with-dexmedetomidine-and-buprenorphine-on-echocardiographic-variables-blood-pressure-and-heart-rate-in-healthy-cats
#10
Einar Johard, Anna Tidholm, Ingrid Ljungvall, Jens Häggström, Katja Höglund
Objectives Sedative agents are occasionally used to enable echocardiographic examination when screening cats for heart disease, such as hypertrophic cardiomyopathy (HCM). Owing to their haemodynamic effects, sedative agents may alter echocardiographic measurements. The aim of the study was to evaluate the effects of the sedative combination dexmedetomidine and buprenorphine on echocardiographic variables, blood pressure (BP) and heart rate (HR) in healthy cats. Methods Fifty healthy, client-owned cats were prospectively recruited and included after physical examination...
July 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28717643/chronic-airflow-obstruction-after-successful-treatment-of-multidrug-resistant-tuberculosis
#11
Anthony L Byrne, Ben J Marais, Carole D Mitnick, Frances L Garden, Leonid Lecca, Carmen Contreras, Yaninna Yauri, Fanny Garcia, Guy B Marks
Cross-sectional studies reveal an association between tuberculosis (TB) and chronic airflow obstruction, but cannot adequately address confounding. We hypothesised that treated pulmonary TB is an independent risk factor for chronic airflow obstruction. The Pulmones Post TB cohort study enrolled participants from Lima, Peru, aged 10-70 years with a history of drug-susceptible (DS)- or multidrug-resistant (MDR)-TB who had completed treatment and were clinically cured. Unexposed participants without TB were randomly selected from the same districts...
July 2017: ERJ Open Research
https://www.readbyqxmd.com/read/28712828/food-availability-and-predation-risk-drive-the-distributional-patterns-of-two-pulmonate-gastropods-in-a-mangrove-saltmarsh-transitional-habitat
#12
Yisheng Peng, Min Zhang, Shing Yip Lee
The pulmonate gastropods, Phallomedusa solida (Martens, 1878) and Ophicardelus ornatus (Férussac, 1821), exhibit characteristic distributional patterns at the upper intertidal zones in estuarine mangrove and saltmarsh habitats on the eastern Australian coast. Past studies suggested inundation condition, soil salinity, and percent of vegetation cover were responsible for these patterns. In this study, the role of environmental parameters, food availability, physical stress, and predation pressure in determining the distributional patterns of these gastropods was evaluated along transects spanning saltmarsh, mangrove, and the ecotone habitats...
July 8, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28689718/long-term-and-acute-effects-of-temperature-and-oxygen-on-metabolism-food-intake-growth-and-heat-tolerance-in-a-freshwater-gastropod
#13
K Natan Hoefnagel, Wilco C E P Verberk
Temperature affects the physiology and life-history of ectothermic animals, often increasing metabolic rate and decreasing body size. Oxygen limitation has been put forward as a mechanism to explain thermal responses of body size and the ability to survive stress. However the time-scales involved in growth performance and heat tolerance differ radically. In order to increase our understanding of oxygen and temperature effects on body size and heat tolerance and the time scale involved, we reared Lymnaea stagnalis under six combinations of temperature and oxygen tension from hatching up to an age of 300 days and recorded shell length during this whole period...
August 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/28634593/carcinoid-heart-disease-starting-from-heart-failure
#14
Nicole Bertin, Serena Favretto, Francesco Pelizzo, Lucio Mos, Franco Pertoldi, Olga Vriz
Carcinoid syndrome is the constellation of symptoms mediated by humoral factors produced by some carcinoid tumors. It consists primarily of vasomotor symptoms, gastrointestinal hypermotility, hypotension, and bronchospasm, due to the production and release of vasoactive substances. Carcinoid heart disease occurs in more than 50% of patients with carcinoid syndrome; in some cases, it represents the initial manifestation of the disease. We report the case of a 75-year-old woman with a metastatic neuroendocrine tumor admitted to the emergency room for fatigue and heart failure...
April 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28627185/adherencia-y-tolerancia-como-claves-en-la-detenci%C3%A3-n-de-la-p%C3%A3-rdida-de-peso-en-pacientes-oncol%C3%A3-gicos-sometidos-a-radioterapia-mediante-una-estrategia-de-suplementaci%C3%A3-n-precoz-con-una-f%C3%A3-rmula-enteral-hipercal%C3%A3-rica-e-hiperproteica-espec%C3%A3-fica
#15
Jose M García Almeida, Yolanda Lupiáñez Pérez, Mercedes Blanco Naveira, Josefina Ruiz Nava, José Antonio Medina, Isabel Cornejo Pareja, Ana Gómez Pérez, María Molina Vega, José A López-Medina, Francisco Tinahones Madueño
Introducción: en pacientes con riesgo nutricional, la Sociedad Europea de Clínica y Metabolismo (ESPEN) y Parenteral recomienda suplementos nutricionales durante el tratamiento oncológico para prevenir la pérdida de peso involuntaria.Objetivos: nuestro objetivo es conocer el cumplimiento, la aceptabilidad y la tolerancia de un suplemento hiperproteico, hipercalórico, rico en omega 3 en pacientes oncológicos.Métodos: estudio unicéntrico, observacional y prospectivo en pacientes oncológicos con un suplemento nutricional hiperproteico, hipercalórico, rico en omega 3 y de bajo volumen...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28615867/first-record-of-a-rare-transversotrematid-cercaria-larva-trematoda-digenea-from-rajasthan-india-focus-on-seasonal-occurrence-and-host-specificity-of-diverse-cercariae
#16
Shanti Lal Choubisa, Vishva Jeet Jaroli, Zulfiya Sheikh
During the survey of freshwater snail hosts and their digenean larval trematode parasites, a rare cercaria larva belonging to family Transversotrematidae and subclass Digenea (Trematoda) was recovered from the snail species Melanoides striatella tuberculata inhabiting perennial Som river of Udaipur district, Rajasthan, India. More than 28 % mature specimens of these snails were found to be infected with transversotrematid cercaria larvae in the spring season. Body of this cercaria is large, bowl-shaped, biocellate, spinose, transparent and laterally extended having two pigmented eye spots, two hold fast organs extended from the junction of body and tail, large tail with two foliated furcal rami, and cyclocoel intestinal caeca...
June 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28611926/aneurysm-of-the-pulmonary-artery-in-fallot-s-tetralogy
#17
Kawtar Afrikh, Loua Hattach, Nadia Fellat, Mustapha El Bakkali, Halima Benjelloun
INTRODUCTION: Pulmonary artery aneurysms are a rare entity. Etiologies of these findings are multiple, but they are exceptionally associated with Fallot's Tetralogy. In this study, we present an unusual case of an important aneurysm of the left pulmonary artery associated with Fallot's Tetralogy disease. CASE PRESENTATION: A 30-year-old woman has been admitted for dyspnea and cyanosis. The data which had been obtained from echocardiography, cardiac catheterization, and angio-magnetic resonance imaging (MRI) suggested the existence of an important aneurysm of the left pulmonary artery associated with a regular Fallot's disease with a pulmonic stenosis...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28611136/a-rare-case-of-mycobacterium-abscessus-subspecies-abscessus-prosthetic-valve-endocarditis-and-the-clinical-importance-of-inducible-erm-41-gene-testing
#18
Norman Beatty, Craig Brown, Tirdad Zangeneh, Mayar Al Mohajer
A 56-year-old man with a history of injection drug use and two prior episodes of native valve infective endocarditis presented with dyspnoea on exertion. Our preliminary work-up revealed bacteraemia with reported growth of 'Mycobacterium abscessus group' on multiple blood cultures. The patient was later found to have eustachian valve and prosthetic pulmonic valve endocarditis. Initially, he responded to standard antimycobacterial therapy for rapidly growing mycobacteria (RGM) with supporting laboratory susceptibilities...
June 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28597060/-early-bilateral-nephrectomy-in-neonatal-autosomal-recessive-polycystic-kidney-disease-improved-prognosis-or-unnecessary-effort
#19
REVIEW
S Riechardt, M Koch, J Oh, M Fisch
BACKGROUND: Neonatal autosomal recessive polycystic kidney disease (ARPKD) is associated with giant kidneys, lung hypoplasia, pulmonal hypertension, and end-stage renal failure. Depending on the study, mortality is reported to range between 20 and 80%. OBJECTIVES: Does bilateral nephrectomy improve survival? PATIENTS AND METHODS: Between 2010 and 2016, we treated 7 children with prenatally diagnosed ARPKD. All had a planned delivery by cesarean section...
July 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28585855/our-great-forgotten-chronic-respiratory-sufferers
#20
María Luisa Bordejé Laguna
Lung’s own properties make that nutritional support, besides covering the requirements can modulate its infl ammatory response. Lung tissue has a low glucose stock. Fatty acids are the main energy producer of type II pneumocytes, which use them in order to form phospholipids, essential for surfactant whose creation and release decrease in acute lung injury (ALI). Glutamine is a good substratum for endocrine cells and type II pneumocytes. Due to high nutritional risk, it is important its assessments in disorders as COPD and acute respiratory distress syndrome (ADRS)...
May 8, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
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