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Pulmonary hemorrhage

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https://www.readbyqxmd.com/read/29792264/paradoxical-brain-embolism-shadowing-massive-pulmonary-embolism
#1
François Bagate, Alexandre Bedet, Armand Mekontso Dessap, Guillaume Carteaux
Patent foramen ovale is frequently observed in the general population. In case of massive pulmonary embolism, the sudden increase in the right heart cavity's pressure may cause a right-to-left shunting across this foramen, which could be associated with conflicting outcomes. Herein, we report a case of reversible cardiac arrest preceded by seizures, and followed by hemodynamic stability without any vasopressor. A brain CT-scan showed a limited ischemic stroke. Initial echocardiographic assessment revealed an acute cor pulmonale and a right-to-left intracardiac shunt across a large patent foramen ovale, suggesting the diagnosis of massive pulmonary embolism that was lately confirmed by a multidetector CT-angiography...
May 20, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29789753/hydrogen-protects-lung-from-hypoxia-re-oxygenation-injury-by-reducing-hydroxyl-radical-production-and-inhibiting-inflammatory-responses
#2
Meihong Chen, Jie Zhang, Yun Chen, Yan Qiu, Zi Luo, Sixia Zhao, Lei Du, Dongbo Tian
Here we investigated whether hydrogen can protect the lung from chronic injury induced by hypoxia/re-oxygenation (H/R). We developed a mouse model in which H/R exposure triggered clinically typical lung injury, involving increased alveolar wall thickening, infiltration by neutrophils, consolidation, alveolar hemorrhage, increased levels of inflammatory factors and recruitment of M1 macrophages. All these processes were attenuated in the presence of H2 . We found that H/R-induced injury in our mouse model was associated with production of hydroxyl radicals as well as increased levels of colony-stimulating factors and circulating leukocytes...
May 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29787986/anti-inflammatory-effects-and-mechanism-of-the-total-flavonoids-from-artemisia-scoparia-waldst-et-kit-in-vitro-and-in-vivo
#3
Xue Wang, Hua Huang, Xueping Ma, Linlin Wang, Chong Liu, Biyu Hou, Shengqian Yang, Li Zhang, Guanhua Du
Artemisia scoparia Waldst. et Kit. is traditionally used for the treatment of jaundice urinary retention, itching wet sores, infectious icteric hepatitis and influenza in Uighur medicine. This study aimed to further illuminate the anti-inflammatory effects and mechanism of the total flavonoids (ASTF) from Artemisia scoparia Waldst. et Kit. In vitro, RAW 264.7 cells were pretreated with ASTF 1 h before stimulation with LPS (1 μg/mL) for 24 h. Then, the concentrations of NO, PGE2 , TNF-α, IL-6 and MCP-1 in the medium were determined...
May 19, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29786890/thrombotic-and-hemorrhagic-complications-during-visceral-transplantation-risk-factors-and-association-with-intraoperative-disseminated-intravascular-coagulation-like-thromboelastographic-qualities-single-center-retrospective-study
#4
Yehuda Raveh, Yiliam Rodriguez, Ernesto Pretto, Fouad Souki, Vadim Shatz, Behrouz Ashrafi, Vinaya Manmohansigh, Michael Demos, Joshua Livingstone, Georges Nasrallah, David Andrews, Thiago Beduschi, Rodrigo Vianna, Ramona Nicolau-Raducu
This study describes the risk of thrombotic and hemorrhagic complications, both intraoperatively, and up to 1-month following visceral transplantation. Data from 48 adult visceral transplants performed between 2010-2017 were retrospectively studied (32 multivisceral (MVTx); 10 isolated intestine; 6 modified-MVTx). Intraoperatively, intracardiac thrombosis (ICT)/pulmonary embolism (PE) occurred in 25%, 0% and 0% of MVTx, isolated intestine and modified MVTx, respectively, and was associated with 50% (4/8) mortality...
May 22, 2018: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/29782426/nailfold-videocapillaroscopy-changes-are-associated-with-the-presence-and-severity-of-systemic-sclerosis-related-interstitial-lung-disease
#5
Joana Caetano, Filipe S Paula, Marta Amaral, Susana Oliveira, José D Alves
OBJECTIVE: The aim of this study was to evaluate the association of nailfold videocapillaroscopy (NVC) changes with the presence and severity of interstitial lung disease (ILD) in systemic sclerosis. METHODS: This was a cross-sectional analysis of 48 systemic sclerosis patients (21 patients with ILD). The NVC characteristics considered were capillary organization, capillary loss (CL), avascular areas, enlarged and giant capillaries, hemorrhages, abnormally shaped capillaries, edema, and intermittent flux...
May 19, 2018: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/29781402/life-expectancy-and-comorbidities-in-patients-with-hereditary-hemorrhagic-telangiectasia
#6
Freya Droege, Kruthika Thangavelu, Boris A Stuck, Andreas Stang, Stephan Lang, Urban Geisthoff
There are only a few published studies that demonstrate associations between life expectancy, severe comorbidities, and their complications in patients with hereditary hemorrhagic telangiectasia (HHT). Relatives of 73 deceased patients with suspected HHT completed a questionnaire about causes of death, and symptoms and comorbidities that the patients had developed. We compared the data for 55 cases where HHT had been clinically confirmed with the general population. Patients suffering from HHT lost, on average, 19 years (SD 11 years) of potential life compared to the general population...
May 1, 2018: Vascular Medicine
https://www.readbyqxmd.com/read/29779887/pulmonary-capillary-hemorrhage-induced-by-diagnostic-ultrasound-in-ventilated-rats
#7
Douglas L Miller, Zhihong Dong, Chunyan Dou, Krishnan Raghavendran
Pulmonary capillary hemorrhage (PCH) can be induced by diagnostic ultrasound-a potential safety issue. Anesthetized rats were intubated for intermittent positive-pressure ventilation (IPPV) with 0 end-expiratory pressure, +4 cm H2 O end-expiratory pressure (PEEP) and -4 cm H2 O end-expiratory pressure (NEEP). Rats were imaged at 7.6 MHz with a Philips HDI 5000 ultrasound machine. The output was low (mechanical index [MI] = 0.22) for aiming and then was raised for 5 min in 20 different exposure groups with n = 8...
May 17, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29774484/effect-of-post-filter-anticoagulation-on-mortality-in-patients-with-cancer-associated-pulmonary-embolism
#8
Jieun Kang, Seon Ok Kim, Yeon-Mok Oh, Sang-Do Lee, Jae Seung Lee
BACKGROUND: Malignancy is associated with an increased risk of venous thromboembolism. Inferior vena cava filters are a viable alternative when anticoagulation is infeasible because of the risk of bleeding. Although the current guidelines recommend that all patients with a vena cava filter be treated with anticoagulation treatment when the risk of bleeding is reduced, studies concerning the role of concomitant anticoagulation after vena cava filter insertion in high-risk patients are scarce...
May 17, 2018: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29774023/ferritin-h-deficiency-in-myeloid-compartments-dysregulates-host-energy-metabolism-and-increases-susceptibility-to-mycobacterium-tuberculosis-infection
#9
Vineel P Reddy, Krishna C Chinta, Vikram Saini, Joel N Glasgow, Travis D Hull, Amie Traylor, Fernanda Rey-Stolle, Miguel P Soares, Rajhmun Madansein, Md Aejazur Rahman, Coral Barbas, Kievershen Nargan, Threnesan Naidoo, Pratistadevi K Ramdial, James F George, Anupam Agarwal, Adrie J C Steyn
Iron is an essential factor for the growth and virulence of Mycobacterium tuberculosis ( Mtb) . However, little is known about the mechanisms by which the host controls iron availability during infection. Since ferritin heavy chain (FtH) is a major intracellular source of reserve iron in the host, we hypothesized that the lack of FtH would cause dysregulated iron homeostasis to exacerbate TB disease. Therefore, we used knockout mice lacking FtH in myeloid-derived cell populations to study Mtb disease progression...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29773465/pulmonary-manifestations-in-systemic-lupus-erythematosus-pleural-involvement-acute-pneumonitis-chronic-interstitial-lung-disease-and-diffuse-alveolar-hemorrhage
#10
Georgina Aguilera-Pickens, Carlos Abud-Mendoza
Systemic lupus erythematosus is the diffuse autoimmune connective tissue disease that most frequently involves pulmonary involvement, affecting 20% of 90% of the patients. The percentage varies depending on the defining criteria (symptoms, pulmonary tests or histopathological studies). At least once during the disease course, 50% of those affected have pleural and/or pulmonary manifestations, which are associated with higher morbidity and mortality. Pulmonary involvement has no correlation with lupus activity biomarkers, and it is necessary to rule out infectious processes in the initial approach...
May 14, 2018: Reumatología Clinica
https://www.readbyqxmd.com/read/29770737/diagnostic-accuracy-and-complications-of-ct-guided-core-needle-lung-biopsy-of-solid-and-part-solid-lesions
#11
Sam Yun, Hee Kang, Young Gyoung Shin, Beom Su Kim, Jun Gu Park, Min Jung Jung
OBJECTIVES: To evaluate whether diagnostic accuracy and complications of computed tomography (CT)-guided core needle biopsy(CNB) differ for solid and part-solid lung lesions. METHODS: This retrospective study included 354 consecutive patients from April 2012 to July 2016 who underwent CT-guided CNB of lung lesions by a radiologist. Patient demographics, lung lesions' characteristics; solid or part-solid, underlying pulmonary disease, distance of path, procedure time, complications (hemorrhage or pneumothorax), histopathological results of biopsy specimens and final diagnosis were reviewed...
May 17, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29764572/-a-single-center-study-on-the-incidence-and-mortality-of-preterm-infants-from-2006-to-2016
#12
Jun-Mei Yan, Hui Huang, Qian-Qian Li, Xiao-Yi Deng
OBJECTIVE: To investigate the incidence and mortality rates of preterm infants and the main causes of death. METHODS: The basic information of preterm infants was collected from their medical records and admission/discharge records to analyze the incidence and mortality rates of preterm infants and the causes of their death. RESULTS: There were 76 812 neonates born in the Xuzhou Maternal and Child Health Hospital from January 2006 to December 2016, among whom 5 585 (7...
May 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29764547/-comparison-of-lung-protection-for-hydrochloric-acid-or-oleic-acid-induced-rat-acute-respiratory-distress-syndrome-models-pretreated-with-penehyclidine
#13
Yumei Cheng, Zhou Yang, Feng Shen, Bo Liu, Yahui Wang, Yanqi Wu, Ling Yao, Yuqing Liu
OBJECTIVE: To compare the lung protection roles of intraperitoneal pre-injection with penehyclidine for two kinds of rat models with pulmonary and extrapulmonary acute respiratory distress syndrome (ARDSp and ARDSexp). METHODS: Forty healthy adult Sprague-Dawley (SD) rats were randomly divided into five groups (each n = 8): the rats in sham group received only tracheotomy; the ARDS rat models were reproduced by intratracheal inhalation of 0.1 mol/L hydrochloric acid (HCl) 2 mL/kg to simulate ARDSexp (HCl group) and 0...
May 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29763670/goodpasture-s-autoimmune-disease-a-collagen-iv-disorder
#14
REVIEW
Vadim Pedchenko, A Richard Kitching, Billy G Hudson
Goodpasture's (GP) disease is an autoimmune disorder characterized by the deposition of pathogenic autoantibodies in basement membranes of kidney and lung eliciting rapidly progressive glomerulonephritis and pulmonary hemorrhage. The principal autoantigen is the α345 network of collagen IV, which expression is restricted to target tissues. Recent discoveries include a key role of chloride and bromide for network assembly, a novel posttranslational modification of the antigen, a sulfilimine bond that crosslinks the antigen, and the mechanistic role of HLA in genetic susceptibility and resistance to GP disease...
May 12, 2018: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29762231/surfactant-administration-during-pediatric-cardiac-extracorporeal-membrane-oxygenation
#15
Constantinos Chrysostomou, Timothy Maul, Filip Istvanic, Peter Wearden
We investigated the safety and efficacy of surfactant during extracorporeal membrane oxygenation (ECMO) in children with cardiac disease. ECMO patients administered surfactant (surfactant group) were compared with patients who did not receive (control). Criteria to administer surfactant were based on a decreased lung compliance of <0.5 ml/kg/cm H2O. Efficacy was determined on pulmonary compliance change and the radiography-based respiratory distress severity (RDS) score. For the surfactant group, lung compliance measurements and RDS scores were obtained just before the first surfactant administration (T0), 24 hours after the last dose of surfactant (T1), and 24 hours after ECMO decannulation (T2)...
May 11, 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29760849/acute-pulmonary-embolism-in-emergency-department-patients-despite-therapeutic-anticoagulation
#16
Michelle Y Liu, Dustin W Ballard, Jie Huang, Adina S Rauchwerger, Mary E Reed, Sean C Bouvet, David R Vinson
Introduction: Emergency department (ED) patients with acute pulmonary embolism (PE) despite therapeutic anticoagulation at the time of diagnosis are uncommonly encountered and present a diagnostic and management challenge. Their characterization and outcomes are poorly described. We sought to describe the prevalence and characteristics of therapeutically anticoagulated patients among a population of patients with acute PE in a community setting and to describe treatment changes and 30-day outcomes...
May 2018: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29760834/a-case-series-of-two-patients-presenting-with-pericardial-effusion-as-first-manifestation-of-non-small-cell-lung-cancer-with-braf-mutation-and-expression-of-pd-l1
#17
Muhammad Mufti, Steven Ching, Sassan Farjami, Sharareh Shahangian, Serap Sobnosky
Lung cancer is the number one cause of cancer-related deaths in the United States. Involvement of pericardium occurs once cancer has progressed to stage IV which can cause massive effusion in the pericardial sac. This can lead to cardiac tamponade which can be fatal very quickly if untreated. The following is a two patient case series in which both patients presented with large pericardial effusion. The first patient sought medical attention due to new onset palpitations and was found to have hemorrhagic pericardial effusion and pulmonary embolism (PE)...
April 2018: World Journal of Oncology
https://www.readbyqxmd.com/read/29759674/population-based-evaluation-of-major-adverse-events-after-catheter-ablation-for-atrial-fibrillation
#18
Michelle Samuel, Mohammad Almohammadi, Meytal Avgil Tsadok, Jacqueline Joza, Cynthia A Jackevicius, Maria Koh, Hassan Behlouli, Atul Verma, Louise Pilote, Vidal Essebag
OBJECTIVES: The purpose of this study was to evaluate the safety and incidence of periprocedural adverse events (AEs) among patients who underwent catheter ablation (CA) for atrial fibrillation (AF) in Quebec and Ontario, Canada. BACKGROUND: CA is evolving into the mainstay therapy for patients with symptomatic AF refractory to antiarrhythmic medication. However, the safety of CA at the population level over time requires further evaluation. METHODS: A population-based cohort was constructed using administrative databases of all patients who underwent CA between 1999 and 2014 in Quebec and Ontario, Canada...
December 11, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759332/sunset-stereotactic-radiation-for-ultracentral-non-small-cell-lung-cancer-a-safety-and-efficacy-trial
#19
Meredith Giuliani, Ashwathy S Mathew, Houda Bahig, Scott V Bratman, Edith Filion, Daniel Glick, Alexander V Louie, Srinivas Raman, Anand Swaminath, Andrew Warner, Vivian Yau, David Palma
BACKGROUND: Lung stereotactic body radiotherapy (SBRT) is considered a standard curative treatment for medically inoperable early stage non-small-cell lung cancer (NSCLC). Patients with ultracentral tumors (signifying tumors whose planning target volume touches or overlaps the central bronchial tree, esophagus, or pulmonary artery) may be at higher risk of serious toxicities such as bronchial stricture and collapse, esophageal strictures, tracheal-esophageal fistula, and hemorrhage. The primary objective of the study is to determine the maximum tolerated dose of radiotherapy for ultracentral NSCLC...
April 18, 2018: Clinical Lung Cancer
https://www.readbyqxmd.com/read/29756724/stevens-johnson-syndrome-associated-with-methotrexate-treatment-for-acute-lymphoblastic-leukemia-a-case-report
#20
Burcu Akıncı, Zuhal Ö Siviş, Akkız Şahin, Deniz Y Karapınar, Can Balkan, Kaan Kavaklı, Yeşim Aydınok
Toxic epidermal necrolysis and Stevens-Johnson syndrome are rare mucocutaneous diseases which are associated with a prolonged course and potentially lethal outcome. They are mostly drug induced and mortality rates are very high. Although mostly skin is involved, multiple organ systems such as cardiovascular, pulmonary, gastrointestinal, and urinary systems may be affected. Here, we report a case of Stevens- Johnson Syndrome associated with methotrexate treatment who developed acute cardiac failure and gastrointestinal hemorrhage beside skin findings...
June 1, 2018: Archivos Argentinos de Pediatría
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