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Pulmonary ultrasound

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https://www.readbyqxmd.com/read/29332607/the-role-of-t2-weighted-gradient-echo-in-the-diagnosis-of-tumefactive-intrahepatic-extramedullary-hematopoiesis-in-myelodysplastic-syndrome-and-diffuse-hepatic-iron-overload-a-case-report-and-review-of-the-literature
#1
Abel A Belay, Andrew M Bellizzi, Alan H Stolpen
BACKGROUND: Extramedullary hematopoiesis is the proliferation of hematopoietic cells outside bone marrow secondary to marrow hematopoiesis failure. Extramedullary hematopoiesis rarely presents as a mass-forming hepatic lesion; in this case, imaging-based differentiation from primary and metastatic hepatic neoplasms is difficult, often leading to biopsy for definitive diagnosis. We report a case of tumefactive hepatic extramedullary hematopoiesis in the setting of myelodysplastic syndrome with concurrent hepatic iron overload, and the role of T2*-weighted gradient-echo magnetic resonance imaging in differentiating extramedullary hematopoiesis from primary and metastatic hepatic lesions...
January 15, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29331796/determination-of-meropenem-in-endotracheal-tubes-by-in-tube-solid-phase-microextraction-coupled-to-capillary-liquid-chromatography-with-diode-array-detection
#2
L Hakobyan, J Pla Tolos, Y Moliner-Martinez, C Molins-Legua, Jesús Ruiz Ramos, M Gordon, Paula Ramirez-Galleymore, P Campins-Falco
Meropenem is a widely used antimicrobial for the treatment of infections associated with the use of invasive medical devices in intensive care unit patients. These treatments are not always effective, in fact, in-vitro studies have demonstrated the difficulty of antimicrobials to penetrate into the biofilm, however in-vivo studies of the effect of these compounds is a trend, mostly because of the complexity of pulmonary samples extracted from ETTs. Therefore, the objective of this study was to evaluate in-tube solid phase microextraction (in-tube SPME) coupled to capillary liquid chromatography (CapLC) with DAD to determine meropenem in ETTs in order to estimate the penetration capability into the biofilm...
January 8, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29330908/defining-expanded-areas-in-ebus-sampling-ebus-guided-trans-and-intra-pulmonary-artery-needle-aspiration-with-review-of-transvascular-ebus
#3
Ravindra M Mehta, Pavankumar R Biraris, Vallandramam Pattabhiraman, Arjun Srinivasan, Abhinav Singla, Sunil Kumar, Michael Cutaia
BACKGROUND: Endobronchial Ultrasound-guided Transbronchial Needle Aspiration (EBUS-TBNA) has revolutionized the diagnostic approach to mediastinal diseases. Lesions located lateral to the pulmonary artery (trans-PA, Station 5), or in the lumen of the PA (intra-PA) are in the 'blind-spot' of EBUS. OBJECTIVES: We describe a case series where EBUS guided trans-pulmonary or intra-pulmonary aspiration (EBUS-TIPNA) was used for diagnosis. METHODS: Retrospective analysis of 10 patients who had EBUS-TIPNA over 3 years in 2 centers...
January 13, 2018: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29328751/a-comparative-prospective-cohort-study-comparing-physical-exam-to-ultrasound-for-identifying-the-cricoid-cartilage
#4
Peter Williams, Abhay Umranikar
Applying cricoid pressure is a common practice when intubating patients thought to be at risk of pulmonary aspiration. Recently, the perceived benefits of applying cricoid pressure have been questioned. Prior research has shown that cricoid pressure is applied incorrectly and that palpation of adjacent anatomy of the cricothyroid membrane is also inaccurate. We compared physical palpation to ultrasound for identifying the location of the cricoid cartilage using a total of 50 assessments. The median distance to target was 10 mm...
September 2017: Journal of Perioperative Practice
https://www.readbyqxmd.com/read/29325339/-risk-factors-and-impacts-on-prognosis-of-ultrasound-lung-comets-in-patients-undergoing-hemodialysis
#5
Z L Wang, J Y Liu, C J Zhou, M B Wang, H Y Wang, Y Xu
Objective: To investigate the risk factors of ultrasound lung comets and its impact on the survivals of patients undergoing hemodialysis. Methods: One hundred and forty-two patients on hemodialysis (Male 76, female 66) were divided into three groups according to the score of lung comets (mild: ≤14 comets; moderate: 15 to 30 comets; severe: >30 comets). Seventy-two healthy subjects examined by lung ultrasound serve as a control. Pulmonary artery systolic pressure and left ventricular ejection fraction (LVEF) were assessed by Doppler ultrasonography...
December 26, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29322296/catheter-directed-ultrasound-facilitated-fibrinolysis-in-obese-patients-with-massive-and-submassive-pulmonary-embolism
#6
Brett J Carroll, Samuel Z Goldhaber, Ping-Yu Liu, Gregory Piazza
Obesity is a well-established risk factor for pulmonary embolism (PE). However, treatment of PE in obese patients is challenging because of limited outcomes data, especially with advanced therapies such as catheter-based fibrinolysis. We assessed the efficacy and safety of ultrasound-facilitated, catheter-directed fibrinolysis in obese patients with submassive and massive PE enrolled in the SEATTLE II Trial. Eligible patients had a right ventricular-to-left ventricular (RV/LV) diameter ratio ≥ 0.9 on chest computed tomography (CT)...
January 10, 2018: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/29321931/novel-hybrid-cryo-radial-method-an-emerging-alternative-to-ct-guided-biopsy-in-suspected-lung-cancer-a-prospective-case-series-and-description-of-technique
#7
Samantha Herath, Elaine Yap
In diagnosing peripheral pulmonary lesions (PPL), radial endobronchial ultrasound (R-EBUS) is emerging as a safer method in comparison to CT-guided biopsy. Despite the better safety profile, the yield of R-EBUS remains lower (73%) than CT-guided biopsy (90%) due to the smaller size of samples. We adopted a hybrid method by adding cryobiopsy via the R-EBUS Guide Sheath (GS) to produce larger, non-crushed samples to improve diagnostic capability and enhance molecular testing. We report six prospective patients who underwent this procedure in our institution...
February 2018: Respirology Case Reports
https://www.readbyqxmd.com/read/29321426/percutaneous-coronary-intervention-for-a-patient-with-left-main-coronary-compression-syndrome
#8
Ryutaro Ikegami, Kazuyuki Ozaki, Takuaya Ozawa, Satoru Hirono, Masahiro Ito, Tohru Minamino
Left main coronary compression syndrome rarely occurs in patients with severe pulmonary hypertension. A 65-year-old woman with severe pulmonary hypertension due to an atrial septal defect suffered from angina on effort. Cardiac computed-tomography and coronary angiography revealed considerable stenosis of the left main coronary artery (LMA) caused by compression between the dilated main pulmonary artery trunk and the sinus of valsalva. Stenting of the LMA under intravascular ultrasound imaging was effective for the treatment of angina...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29319027/comparison-of-diagnostic-yield-and-safety-profile-of-radial-endobronchial-ultrasound-guided-bronchoscopic-lung-biopsy-with-computed-tomography-guided-percutaneous-needle-biopsy-in-evaluation-of-peripheral-pulmonary-lesions-a-randomized-controlled-trial
#9
Ayush Gupta, Jagdish Chander Suri, Dipak Bhattacharya, Manas Kamal Sen, Shibdas Chakrabarti, Abhijeet Singh, Tulsi Adhikari
BACKGROUND: Peripheral pulmonary lesions (PPLs) pose a diagnostic challenge, and the optimal investigation in many such cases remains unclear. Computed tomography (CT)-guided percutaneous needle biopsy (CT-PNB) has been the modality of choice for such lesions with a high diagnostic accuracy but with high rates of pneumothorax. Endobronchial ultrasound (EBUS) with a radial probe is an alternate diagnostic modality with increased diagnostic yield of bronchoscopy in the evaluation of PPL...
January 2018: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/29313113/epidemiology-and-contemporary-management-of-abdominal-aortic-aneurysms
#10
Brant W Ullery, Richard L Hallett, Dominik Fleischmann
Abdominal aortic aneurysm (AAA) is most commonly defined as a maximal diameter of the abdominal aorta in excess of 3 cm in either anterior-posterior or transverse planes or, alternatively, as a focal dilation ≥ 1.5 times the diameter of the normal adjacent arterial segment. Risk factors for the development of AAA include age > 60, tobacco use, male gender, Caucasian race, and family history of AAA. Aneurysm growth and rupture risk appear to be associated with persistent tobacco use, female gender, and chronic pulmonary disease...
January 9, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29312744/pathway-and-application-value-of-exploration-of-the-pulmonary-artery-by-endobronchial-ultrasound
#11
Peng Li, Cen Wu, Wei Zheng, Li Zhao
Background: The current standard methods for detecting pulmonary artery diseases are pulmonary artery enhanced computed tomography (CT) scan and pulmonary arteriography. However, some patients cannot tolerate these procedures for various reasons. The present study aimed to investigate the feasibility and operation process of endobronchial ultrasound (EBUS) in exploring the pulmonary artery. Methods: Based on normal contrast-enhanced chest CT images, the sites and process for exploring the pulmonary arteries were established...
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29310336/removal-of-a-subdermal-contraceptive-implant-implanon-nxt-that-migrated-to-the-axilla-by-c-arm-guidance-a-case-report-and-review-of-the-literature
#12
Ji Ung Park, Han Sol Bae, Seung Mi Lee, Jaehoon Bae, Jeong Woo Park
RATIONALE: To report the distant migration of a subdermal contraceptive implant and to suggest that C arm-guided technique is one of the feasible options for removal of the device migrated to the axilla. PATIENT CONCERNS: A 41-year-old multipara with tingling sensation in the left axilla was referred for removal of an Implanon NXT which could not be palpated by physical examination or detected by ultrasound scanning. Finally, the device was detected by computed tomography and found migrating to the left axilla...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29301653/successful-emergency-pain-control-for-posterior-rib-fractures-with-ultrasound-guided-erector-spinae-plane-block
#13
Josh Luftig, Daniel Mantuani, Andrew A Herring, Brittany Dixon, Eben Clattenburg, Arun Nagdev
The Eastern Association for the Surgery of Trauma and Trauma Anesthesiology Society Guidelines recommend prompt and effective multimodal analgesia for rib fractures that combines regional anesthesia (RA) techniques with pharmacotherapy to treat pain, optimize pulmonary function, and reduce opioid related complications. However, RA techniques such as epidurals and paravertebral blocks, are generally underutilized or unavailable for emergency department (ED) patients. The recently described serratus anterior plane block (SAPB) is a promising technique, but failures with posterior rib fractures have been observed...
December 28, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29301470/risk-of-complications-of-ultrasound-guided-renal-biopsy-for-adult-and-pediatric-patients-with-systemic-lupus-erythematosus
#14
Y S Sun, I T Sun, H K Wang, A H Yang, C Y Tsai, C J Huang, D F Huang, C C Lai
Objective The objective of this paper is to identify the risk of complications of real-time ultrasound-guided renal biopsy in adult and pediatric patients with systemic lupus erythematosus (SLE). Materials and methods This retrospective study examined outcomes of 296 renal biopsy procedures in 275 SLE patients. Imaging-confirmed symptomatic hematoma was regarded as a major complication when intervention (blood transfusion, angiographic embolization, or surgery) was required or as a minor complication otherwise...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29299780/the-key-roles-of-negative-pressure-breathing-and-exercise-in-the-development-of-interstitial-pulmonary-edema-in-professional-male-scuba-divers
#15
Olivier Castagna, Jacques Regnard, Emmanuel Gempp, Pierre Louge, François Xavier Brocq, Bruno Schmid, Anne-Virginie Desruelle, Valentin Crunel, Adrien Maurin, Romain Chopard, David Hunter MacIver
BACKGROUND: Immersion pulmonary edema is potentially a catastrophic condition; however, the pathophysiological mechanisms are ill-defined. This study assessed the individual and combined effects of exertion and negative pressure breathing on the cardiovascular system during the development of pulmonary edema in SCUBA divers. METHODS: Sixteen male professional SCUBA divers performed four SCUBA dives in a freshwater pool at 1 m depth while breathing air at either a positive or negative pressure both at rest or with exercise...
January 3, 2018: Sports Medicine—Open
https://www.readbyqxmd.com/read/29290812/circulating-magnetic-microbubbles-for-localized-real-time-control-of-drug-delivery-by-ultrasonography-guided-magnetic-targeting-and-ultrasound
#16
Beata Chertok, Robert Langer
Image-guided and target-selective modulation of drug delivery by external physical triggers at the site of pathology has the potential to enable tailored control of drug targeting. Magnetic microbubbles that are responsive to magnetic and acoustic modulation and visible to ultrasonography have been proposed as a means to realize this drug targeting strategy. To comply with this strategy in vivo, magnetic microbubbles must circulate systemically and evade deposition in pulmonary capillaries, while also preserving magnetic and acoustic activities in circulation over time...
2018: Theranostics
https://www.readbyqxmd.com/read/29289723/diaphragm-muscle-dysfunction-in-patients-with-heart-failure
#17
Mari Miyagi, Yoshiharu Kinugasa, Takeshi Sota, Kensaku Yamada, Takuya Ishisugi, Masayuki Hirai, Kiyotaka Yanagihara, Nobuhiko Haruki, Koichi Matsubara, Masahiko Kato, Kazuhiro Yamamoto
BACKGROUND: Inspiratory muscle weakness is associated with the development of exercise intolerance in patients with heart failure (HF). Ultrasound assessment of the diaphragm is used to evaluate respiratory muscle function, but its application in patients with HF remains undefined. We examined the relationship of diaphragm function as assessed by ultrasonography with inspiratory muscle strength and exercise tolerance in HF. METHODS AND RESULTS: Seventy-seven patients hospitalized with HF were enrolled...
December 28, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/29288227/endobronchial-metastasis-of-mixed-mullerian-tumour-of-the-uterus
#18
Vadsala Baskaran, Laura Pugh, Robert James Berg, John Anderson
Endobronchial metastasis occurs in only 2%-5% of non-pulmonary cancers. Here we report on an 84-year-old woman who presented with breathlessness and light-headedness while on holiday in Australia, 2 years post-treatment for endometrial cancer. Initial CT pulmonary angiogram identified a soft tissue mass in the left hemithorax. A chest radiograph performed after repatriation was consistent with a large left pleural effusion, but bedside ultrasound showed a lobulated mass involving the left hemidiaphragm. A pleural procedure in the traditional 'triangle of safety' would have resulted in inadvertent puncture of the underlying mass...
December 28, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29287971/-contribution-of-ultrasound-pulmonary-ratio-in-pre-viable-premature-ruptures-of-membranes
#19
C Jozan, C Huissoud, J-M Labaune, A Fichez, A Sesques, M Cortet
OBJECTIVE: To evaluate the ultrasound measurement of the observed-to-expected (o/e) lung-to-head ratio (LHR) and the Quantitative Lung Index (QLI) for the prediction of pulmonary hypoplasia in the pre-viable preterm premature ruptures of membranes (PPROM) before 24 weeks gestational age (GA). METHODS: Thirty-four patients with a PPROM before 24 weeks GA and who delivered a live birth between October 2008 and October 2015 at Croix-Rousse's hospital were included...
December 26, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29278611/utility-of-point-of-care-ultrasound-in-children-with-pulmonary-tuberculosis
#20
Sabine Bélard, Charlotte C Heuvelings, Ebrahim Banderker, Lindy Bateman, Tom Heller, Savvas Andronikou, Lesley Workman, Martin P Grobusch, Heather J Zar
BACKGROUND: Point-of-care ultrasound (POCUS) detects extra-pulmonary tuberculosis (EPTB) in HIV-infected adults but has not been evaluated in children despite their higher risk of EPTB. This study's aims were to investigate feasibility of POCUS for EPTB in children, frequency of POCUS findings suggestive of EPTB, and time to sonographic resolution of findings with treatment. METHODS: This prospective South African cohort study enrolled children with suspected PTB...
December 22, 2017: Pediatric Infectious Disease Journal
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