Supine, prone, right and left gravitational effects on human pulmonary circulation

Body position can be optimized for pulmonary ventilation/perfusion matching during surgery and intensive care. However, positional effects upon distribution of pulmonary blood flow and vascular distensibility ...
Source: Journal of Cardiovascular Magnetic Resonance - Category: Radiology Authors: Tags: Research Source Type: research

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This study was designed to measure retinal perfusion density changes on optical coherence tomography (OCT) angiography and OCT thickness alterations associated with acutely increased IOP after intravitreal injections. Methods: Retrospective observational clinical study of 40 eyes (39 patients) with various retinopathies from October 2016 to June 2017 at a tertiary care retina clinic in NYC. Patients were older than 18 years, with vision>20/100, able to fixate and without media opacities precluding OCT angiography, receiving intravitreal bevacizumab or aflibercept for diabetic retinopathy, retinal vein occlusion, macu...
Source: RETINA - Category: Opthalmology Tags: Original Study Source Type: research
Publication date: Available online 27 March 2020Source: The Annals of Thoracic SurgeryAuthor(s): Hiromichi Niikawa, Toshihiro Okamoto, Kamal S. Ayyat, Ichiro Sakanoue, James J. Yun, Kenneth R. McCurry
Source: The Annals of Thoracic Surgery - Category: Cardiovascular & Thoracic Surgery Source Type: research
Publication date: Available online 27 March 2020Source: Academic RadiologyAuthor(s): Harrison Kim, John V. Thomas, Jeffrey W. Nix, Jennifer B. Gordetsky, Yufeng Li, Soroush Rais-Bahrami
Source: Academic Radiology - Category: Radiology Source Type: research
Condition:   Neonatal Hypoxic Ischemic Encephalopathy Intervention:   Device: Arterial Spin Labeling sequence Sponsor:   University Hospital, Bordeaux Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials
ConclusionsThe study of breast cancer perfusion shows a higher BF in large tumors and in tumors with lymph node involvement, not paralleled by similar modifications in tumor global metabolism. In addition, the observed correlation between the perfusion heterogeneity and the metabolism heterogeneity suggests that tumor perfusion and consequently the process of tumor angiogenesis might be involved in the metabolism heterogeneity previously shown in BC.
Source: European Journal of Nuclear Medicine and Molecular Imaging - Category: Nuclear Medicine Source Type: research
Abstract Hydronephrosis in infants and children is most commonly due to a congenital, intrinsic obstruction of the uretero-pelvic junction. The Gold standard of care is defined as a dismembered pyeloplasty, nowadays mostly performed in a minimally-invasive procedure, either through a laparoscopic (also robotic-assisted) or retroperitoneoscopic approach. Less common is an extrinsic obstruction of the ureter or the uretero-pelvic junction caused by an aberrant crossing pole vessel, a condition more likely to affect children beyond infancy. This entity most often becomes apparent when it causes intermittent abdominal...
Source: Aktuelle Urologie - Category: Urology & Nephrology Authors: Tags: Aktuelle Urol Source Type: research
Condition:   Cardiac Arrest Intervention:   Diagnostic Test: CT Perfusion Sponsors:   University of Manitoba;   Manitoba Medical Service Foundation Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials
This study was performed to investigate the association between changes in retinal layer thickness and perfusion status in the extramacular areas of eyes with diabetic retinopathy.
Source: American Journal of Ophthalmology - Category: Opthalmology Authors: Tags: Original Articles Source Type: research
Publication date: Available online 25 March 2020Source: Academic RadiologyAuthor(s): Daniele Panetta, Michela Gabelloni, Lorenzo Faggioni, Gualtiero Pelosi, Giacomo Aringhieri, Davide Caramella, Piero Antonio Salvadori
Source: Academic Radiology - Category: Radiology Source Type: research
ABSTRACTAimsNon ‐compaction cardiomyopathy (NCM) is a congenital heart disease characterized by an arrest of the myocardial compaction process. Although NCM patients have impaired formation of microvasculature, the functional impact of these changes remains undefined. We sought to analyse a potential correlation between myocardial ischemia and heart failure severity in NCM patients.Methods and resultsWe enrolled 41 NCM patients (28 male and 13 female), aged 21 –70 years. In all patients, we have determined left ventricular end‐diastolic volume (LVEDV), left ventricular ejection fraction (LVEF), and global longitu...
Source: ESC Heart Failure - Category: Cardiology Authors: Tags: Original Research Article Source Type: research
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