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Pulmonary ultrasound

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https://www.readbyqxmd.com/read/28335612/thrombin-generation-in-patients-with-suspected-venous-thromboembolism
#1
Fredrik Wexels, Ola E Dahl, Are H Pripp, Ingebjørg Seljeflot
Increasing number of patients with clinically suspected venous thromboembolism is referred to radiological departments for definitive diagnosis. A simple assay to exclude the diagnosis and avoid radiological examinations is needed. We have reported correlations between D-dimer and prothrombin fragment 1 + 2 measured in plasma and urine. To further develop an analysis based on urine, more understanding of thrombin generation in these patients is needed. The aim of this study was to compare ex vivo thrombin generation with in vivo markers in plasma and urine in patients with and without venous thromboembolism...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28333710/sonographic-findings-of-abdominal-tuberculosis-in-children-with-pulmonary-tuberculosis
#2
Sabine Bélard, Tom Heller, Viyanti Orie, Charlotte C Heuvelings, Lindy Bateman, Lesley Workman, Martin P Grobusch, Heather J Zar
Ultrasound reports of 102 children with microbiologically confirmed or clinically diagnosed pulmonary tuberculosis (TB) showed that 23/37 (64%) and 23/65 (36%) had TB suggestive abdominal lymphadenopathy and 16/37 (44%) and 8/65(13%) had splenic micro-abscesses, respectively. Splenic micro-abscesses were associated with HIV-infection (p=0.041). These data suggest that pulmonary TB is often complicated by abdominal TB in children.
March 22, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28331825/the-imaging-of-small-pulmonary-nodules
#3
REVIEW
Zejun Zhou, Ping Zhan, Jiajia Jin, Yafang Liu, Qian Li, Chenhui Ma, Yingying Miao, Qingqing Zhu, Panwen Tian, Tangfeng Lv, Yong Song
Lung cancer is the leading cause of cancer death worldwide. The major goal in lung cancer research is the improvement of long-term survival. Pulmonary nodules have high clinical importance, they may not only prove to be an early manifestation of lung cancer, but decide to choose the right therapy. This review will introduce the development and current situation of several imaging examination methods: computed tomography (CT), positron emission tomography/computed tomography (PET/CT), endobronchial ultrasound (EBUS)...
February 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28331821/comparison-between-endobronchial-ultrasound-guided-transbronchial-biopsy-and-ct-guided-transthoracic-lung-biopsy-for-the-diagnosis-of-peripheral-lung-cancer-a-systematic-review-and-meta-analysis
#4
Ping Zhan, Qing-Qing Zhu, Ying-Ying Miu, Ya-Fang Liu, Xiao-Xia Wang, Ze-Jun Zhou, Jia-Jia Jin, Qian Li, Shinji Sasada, Takehiro Izumo, Chih-Yen Tu, Wen-Chien Cheng, Matthew Evison, Tang-Feng Lv, Yong Song
BACKGROUND: With the release of the National Lung Screening Trial results, the detection of peripheral pulmonary lesions (PPLs) is likely to increase. Computed tomography (CT)-guided percutaneous transthoracic needle biopsy (PTNB) and radial probe endobronchial ultrasound (r-EBUS)-guided transbronchial lung biopsy (TBLB) are recommended for tissue diagnosis of PPLs. METHODS: A systematic review of published literature evaluating the accuracy of r-EBUS-TBLB and CT-PTNB for the diagnosis of PPLs was performed to determine point sensitivity and specificity, and to construct a summary receiver-operating characteristic curve...
February 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28331629/congenital-diaphragmatic-hernia-a-review
#5
REVIEW
Praveen Kumar Chandrasekharan, Munmun Rawat, Rajeshwari Madappa, David H Rothstein, Satyan Lakshminrusimha
Congenital Diaphragmatic hernia (CDH) is a condition characterized by a defect in the diaphragm leading to protrusion of abdominal contents into the thoracic cavity interfering with normal development of the lungs. The defect may range from a small aperture in the posterior muscle rim to complete absence of diaphragm. The pathophysiology of CDH is a combination of lung hypoplasia and immaturity associated with persistent pulmonary hypertension of newborn (PPHN) and cardiac dysfunction. Prenatal assessment of lung to head ratio (LHR) and position of the liver by ultrasound are used to diagnose and predict outcomes...
2017: Maternal Health, Neonatology and Perinatology
https://www.readbyqxmd.com/read/28329155/pulmonary-arterial-stiffness-indices-assessed-by-intravascular-ultrasound-in-children-with-early-pulmonary-vascular-disease-prediction-of-advanced-disease-and-mortality-during-20-year-follow-up
#6
Mark-Jan Ploegstra, Jody G M Brokelman, Jolien W Roos-Hesselink, Johannes M Douwes, Lenny M van Osch-Gevers, Elke S Hoendermis, Annemien E van den Bosch, Maarten Witsenburg, Beatrijs Bartelds, Hans L Hillege, Rolf M F Berger
Aims: Prognosis in children with pulmonary vascular disease (PVD) is closely linked to right ventricular (RV) failure due to increased RV-afterload. Pulmonary arterial (PA) stiffening is known to occur early in the course of PVD and constitutes a main component of RV-afterload. This study aimed to evaluate the clinical value of PA-stiffness in children with PVD by determining its association with advanced pulmonary arterial hypertension (PAH) and mortality at long-term follow-up. Methods and results: Forty-one children with various stages of arterial PVD, defined as mean PA-pressure  ≥20 mmHg and/or pulmonary-to-systemic flow-ratio  ≥1...
March 6, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28327204/lung-adenocarcinoma-with-thyroid-metastasis-a-case-report
#7
A Dao, H Jabir, A Taleb, N Benchakroun, Z Bouchbika, T Nezha, H Jouhadi, S Sahraoui, A Benider
BACKGROUND: The metastases of a primary lung cancer over the thyroid gland are extremely rare. We report on an unusual presentation of thyroid metastasis of lung cancer in order to improve the management of similar cases. CASE PRESENTATION: Three years ago, a Moroccan male 59-year-old was admitted for dyspnea, dry cough, and chest pain. He had smoked about 30 cigarette packs a year. Clinical examination revealed a right thyroid nodule. Chest and neck computed tomography (CT) scan showed a proximal left tumor in contact with the pulmonary artery and revealed a suspected nodule in the right lobe of the thyroid with homolateral neck node...
March 21, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28323733/linear-endobronchial-ultrasound-guided-insertion-of-a-fiducial-marker-a-new-tool-for-tracking-central-lesions
#8
Alessio Casutt, Angela Koutsokera, Nicolas Peguret, Alban Lovis
Stereotactic body radiotherapy (SBRT) is an effective method for the treatment of localized primary lung tumors. Cyberknife, a highly accurate SBRT technique, follows the target during respiratory cycles using a metallic fiducial marker (FM) previously inserted into the lesion. Various methods have been described for the placement of an FM in peripheral pulmonary lesions; however, none of these is appropriate for mediastinal or hilar tumors. The placement of FMs in central lesions to achieve accurate SBRT is particularly relevant due to their higher mobility during respiratory and cardiac cycles...
April 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28322592/intravascular-pulmonary-venous-ultrasound-imaging-for-catheter-ablation-of-atrial-fibrillation
#9
Gabriel Cismaru, Serban Schiau, Lucian Muresan, Radu Rosu, Mihai Puiu, Dana Pop, Dumitru Zdrenghea
Atrial fibrillation is the most common cardiac arrhythmia. The development of electroanatomical mapping is an increase demand for advanced intracardiac imaging techniques of the left atrium and pulmonary veins. IVUS can demonstrate quantitative changes like lumen and wall thickness as well as qualitative changes of the pulmonary or coronary arteries wall. IVUS could also provide relevant real time imaging of the atrial and pulmonary venous wall during catheter ablation. Areas covered: The Medline and Embase databases were searched for preclinical and clinical studies of IVUS in patients with ablation of atrial fibrillation or left atrial arrhythmias...
March 21, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28318888/characterization-of-the-lung-parenchyma-using-ultrasound-multiple-scattering
#10
Kaustav Mohanty, John Blackwell, Thomas Egan, Marie Muller
The purpose of the study described here was to showcase the application of ultrasound to quantitative characterization of the micro-architecture of the lung parenchyma to predict the extent of pulmonary edema. The lung parenchyma is a highly complex and diffusive medium for which ultrasound techniques have remained qualitative. The approach presented here is based on ultrasound multiple scattering and exploits the complexity of ultrasound propagation in the lung structure. The experimental setup consisted of a linear transducer array with an 8-MHz central frequency placed in contact with the lung surface...
March 16, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28306695/lung-ultrasonography-a-practical-guide-for-cardiologists
#11
Francesco Bianco, Valentina Bucciarelli, Fabrizio Ricci, Raffaele De Caterina, Sabina Gallina
Lung ultrasonography is a well established, user-friendly and easy-to-use technique that can be used in the evaluation of several pathological conditions affecting the lung. Adding lung ultrasonography to traditional echocardiography provides an integrated cardiopulmonary ultrasound analysis. The simultaneous collection of information about the heart and the lungs can help physicians to investigate acute and chronic cardio-pulmonary conditions within a noninvasive, single-probe and all-in-one examination, not exposing the patient to the danger of ionizing radiation...
March 16, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28300079/corrigendum-prognostic-value-of-pulmonary-congestion-assessed-by-lung-ultrasound-imaging-during-heart-failure-hospitalisation-a-two-centre-cohort-study
#12
Stefano Coiro, Guillaume Porot, Patrick Rossignol, Giuseppe Ambrosio, Erberto Carluccio, Isabella Tritto, Olivier Huttin, Simon Lemoine, Nicolas Sadoul, Erwan Donal, Faiez Zannad, Nicolas Girerd
No abstract text is available yet for this article.
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28295792/biventricular-impact-of-mild-to-moderate-pulmonary-valve-stenosis-in-fetal-life
#13
L Guirado, F Crispi, N Masoller, M Bennasar, E Marimon, J Carretero, E Gratacós, J M Martínez, M K Friedberg, O Gómez
OBJECTIVES: to define the pattern of fetal echocardiographic changes associated with isolated pulmonary valve stenosis (PS) and to correlate the echocardiographic findings with the neonatal outcome and the need of postnatal pulmonary valvuloplasty within the first 12 months of life. METHODS: a prospective cohort study was designed on 16 fetuses with isolated PS and 48 controls matched by gestational age at scan (+/- 2 weeks). Fetal standard ultrasound and comprehensive echocardiography, which included cardiovascular morphometric parameters, systolic and diastolic functional and timing-measurements, were performed in all cases...
March 10, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28295525/advantages-and-pitfalls-of-pocket-ultrasound-vs-daily-chest-radiography-in-the-coronary-care-unit-a-single-user-experience
#14
Colin T Phillips, Warren J Manning
BACKGROUND: Pocket ultrasonography may enhance patient diagnosis and care. We sought to assess pocket ultrasound in detecting common conditions in the coronary care unit (CCU) compared to portable daily chest radiography (CXR) and conventional transthoracic echocardiography (TTE). METHODS: An experienced pocket ultrasound user performed a pocket ultrasound examination for interstitial edema, pneumonia, central line seen in the right ventricle, pleural and pericardial effusions, left atrial enlargement, and cardiomegaly...
March 14, 2017: Echocardiography
https://www.readbyqxmd.com/read/28292763/oxygen-delivery-and-the-restoration-of-the-muscle-energetic-balance-following-exercise-implications-for-delayed-muscle-recovery-in-patients-with-copd
#15
Gwenael Layec, Corey R Hart, Joel D Trinity, Oh-Sung Kwon, Matthew J Rossman, Ryan M Broxterman, Yann Le Fur, Eun-Kee Jeong, Russell S Richardson
Patients with chronic obstructive pulmonary disease (COPD) experience a delayed recovery from skeletal muscle fatigue following exhaustive exercise that likely contributes to their progressive loss of mobility. As this phenomenon is not well understood, this study sought to examine post-exercise peripheral oxygen (O2) transport and muscle metabolism dynamics in patients with COPD, two important determinants of muscle recovery. Twenty four subjects, 12 non-hypoxemic patients with COPD and 12 healthy subjects with a sedentary lifestyle, performed dynamic plantar flexion exercise at 40% of maximal work rate (WRmax) with phosphorus magnetic resonance spectroscopy ((31)P-MRS), near-infrared spectroscopy (NIRS), and vascular Doppler ultrasound assessments...
March 14, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28291991/modified-lung-ultrasound-score-for-assessing-and-monitoring-pulmonary-aeration
#16
Silvia Mongodi, Bélaïd Bouhemad, Anita Orlando, Andrea Stella, Guido Tavazzi, Gabriele Via, Giorgio Antonio Iotti, Antonio Braschi, Francesco Mojoli
Purpose Lung Ultrasound Score (LUSS) is a useful tool for lung aeration assessment but presents two theoretical limitations. First, standard LUSS is based on longitudinal scan and detection of number/coalescence of B lines. In the longitudinal scan pleura visualization is limited by intercostal space width. Moreover, coalescence of B lines to define severe loss of aeration is not suitable for non-homogeneous lung pathologies where focal coalescence is possible. We therefore compared longitudinal vs. transversal scan and also cLUSS (standard coalescence-based LUSS) vs...
March 14, 2017: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/28283827/prenatal-ultrasound-genotype-and-outcome-in-a-large-cohort-of-prenatally-affected-patients-with-autosomal-recessive-polycystic-kidney-disease-and-other-hereditary-cystic-kidney-diseases
#17
Florian Erger, Nadina Ortiz Brüchle, Ulrich Gembruch, Klaus Zerres
PURPOSE: To investigate the sonographic and clinical genotype-phenotype correlations in autosomal recessive polycystic kidney disease (ARPKD) and other cystic kidney diseases (CKD) in a large cohort of prenatally detected fetuses with hereditary CKD. METHODS: We retrospectively studied the clinical and diagnostic data of 398 patients referred with prenatal ultrasound findings suggestive of CKD between 1994 and 2010. Cases with confirmed hereditary CKD (n = 130) were analyzed as to their prenatal ultrasound findings, genotype, and possible predictors of clinical outcome...
April 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28277918/concordance-of-fetal-echocardiography-in-the-diagnosis-of-congenital-cardiac-disease-utilizing-updated-guidelines
#18
Marijo Aguilera, Kirsten Dummer
OBJECTIVE: We sought to examine the concordance of prenatally diagnosed congenital cardiac disease with postnatal echocardiography. STUDY DESIGN: Patients who underwent fetal echocardiograms performed by pediatric cardiologists at a single referral center from January to December 2014 were reviewed. Fetal echocardiography exams were performed in accordance with guidelines by the American Institute of Ultrasound in Medicine (AIUM) and the American Heart Association (AHA) guidelines (2013 and 2014, respectively)...
March 12, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28274588/unilateral-absence-of-an-external-jugular-vein-in-two-english-bulldogs-with-pulmonary-valve-stenosis
#19
E H Chapel, B A Scansen
Two English bulldogs referred for interventional palliation of severe pulmonary valve stenosis were incidentally diagnosed with unilateral absence of an external jugular vein (left in one case, right in the other) by computed tomography and Doppler ultrasound. The right internal jugular vein also could not be visualized in the dog with absence of the left external jugular vein. Cervical venous anomalies can impact diagnostic or interventional venous catheterization procedures such as balloon pulmonary valvuloplasty...
March 5, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28271386/serial-lung-and-ivc-ultrasound-in-the-assessment-of-congestive-heart-failure
#20
Rachel Spevack, Mohamed Al Shukairi, Dev Jayaraman, Jerrald Dankoff, Lawrence Rudski, Jed Lipes
BACKGROUND: Management of congestive heart failure (CHF) is dependent on clinical assessments of volume status, which are subjective and imprecise. Point-of-care ultrasound (POCUS) is useful in the diagnosis of CHF, but how POCUS findings correlate with therapy remains unknown. This study aimed to determine whether the changes in clinical evaluation of CHF with treatment are mirrored with changes in the number of B lines on lung ultrasound (LUS) and inferior vena cava (IVC) size. In this prospective observational study, investigators performed serial clinical and ultrasound assessments within 24 h of admission (T1), day 1 in hospital (T2) and within 24 h of discharge (T3)...
December 2017: Critical Ultrasound Journal
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