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Volume overload

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https://www.readbyqxmd.com/read/28099511/extracellular-fluid-intracellular-fluid-volume-ratio-as-a-novel-risk-indicator-for-all-cause-mortality-and-cardiovascular-disease-in-hemodialysis-patients
#1
Eun-Jung Kim, Myung-Jin Choi, Jeoung-Hwan Lee, Ji-Eun Oh, Jang-Won Seo, Young-Ki Lee, Jong-Woo Yoon, Hyung-Jik Kim, Jung-Woo Noh, Ja-Ryong Koo
BACKGROUND: In hemodialysis patients, fluid overload and malnutrition are accompanied by extracellular fluid (ECF) expansion and intracellular fluid (ICF) depletion, respectively. We investigated the relationship between ECF/ICF ratio (as an integrated marker reflecting both fluid overload and malnutrition) and survival and cardiovascular disease (CVD) in the context of malnutrition-inflammation-arteriosclerosis (MIA) complex. METHODS: Seventy-seven patients from a single hemodialysis unit were prospectively enrolled...
2017: PloS One
https://www.readbyqxmd.com/read/28094152/use-of-3d-printer-technology-to-facilitate-surgical-correction-of-a-complex-vascular-anomaly-with-esophageal-entrapment-in-a-dog
#2
A Dundie, G Hayes, P Scrivani, L Campoy, D Fletcher, K Ash, E Oxford, N S Moïse
A 10 week old female intact Staffordshire terrier was presented with a total of five congenital cardio-thoracic vascular anomalies consisting of a patent ductus arteriosus (PDA) with an aneurysmic dilation, pulmonic stenosis, persistent right aortic arch, aberrant left subclavian artery and persistent left cranial vena cava. These abnormalities were identified with a combination of echocardiogram and computed tomography angiography (CTA). The abnormalities were associated with esophageal entrapment, regurgitation, and volume overload of the left heart with left atrial and ventricular enlargement...
January 13, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28091757/-renal-protection-in-intensive-care-myths-and-facts
#3
S John
BACKGROUND: Acute kidney injury (AKI) is a common and severe complication in patients on the intensive care unit with a significant impact on patient mortality, morbidity and costs of care; therefore, renal protective therapy is most important in these severely ill patients. AIM OF THE REVIEW: Many renal protective strategies have been postulated during the last decades, which are sometimes still in place as a kind of "myth" but which are not always proven by evidence-based "facts"...
January 13, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28087835/study-of-tio2-p25-nanoparticles-genotoxicity-on-lung-blood-and-liver-cells-in-lung-overload-and-non-overload-conditions-after-repeated-respiratory-exposure-in-rats
#4
Charlène Relier, Marielle Dubreuil, Omar Lozano Garcia, Eugenia Cordelli, Jorge Mejia, Patrizia Eleuteri, Franck Robidel, Thomas Loret, Francesca Pacchierotti, Stéphane Lucas, Ghislaine Lacroix, Bénédicte Trouiller
Inhaled titanium dioxide (TiO2) nanoparticles (NPs) can have negative health effects, and have been shown to cause respiratory tract cancer in rats. Inflammation has been linked to oxidative stress, and both have been described as possible mechanisms for genotoxicity of NPs, but rarely examined side-by-side in animal studies. In the present study, a wide range of complementary endpoints have been performed to study TiO2 P25 NP-induced genotoxicity in lung overload and non-overload conditions. Additionally, lung burden, inflammation, cytotoxicity and oxidative stress have also been evaluated in order to link genotoxicity with these responses...
January 13, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28070975/progressive-dyspnea-and-signs-of-right-heart-dysfunction
#5
Stephan Staubach, Henning Strohm, Harald Mudra
A 40-year-old woman was admitted due to dyspnea and fever. Transthoracic echocardiography revealed signs of right heart volume overload and vegetations on the tricuspid valve with insufficiency. Transesophageal echocardiography showed a sinus venosus defect (SVD) with significant left-to-right shunt. Computed tomography scanning was primarily performed to rule out pulmonary embolism; however, it showed interatrial communication. Due to the concomitant tricuspid insufficiency with additional volume overload, the diagnosis of SVD was more challenging...
January 10, 2017: Echocardiography
https://www.readbyqxmd.com/read/28069685/associations-of-body-mass-index-with-laboratory-and-biomarkers-in-patients-with-acute-heart-failure
#6
Koen W Streng, Jozine M Ter Maaten, John G Cleland, Christopher M O'Connor, Beth A Davison, Marco Metra, Michael M Givertz, John R Teerlink, Piotr Ponikowski, Daniel M Bloomfield, Howard C Dittrich, Hans L Hillege, Dirk J van Veldhuisen, Adriaan A Voors, Peter van der Meer
BACKGROUND: Plasma concentrations of natriuretic peptides decline with obesity in patients with heart failure. Whether this is true for other biomarkers is unknown. We investigated a wide range of biomarker profiles in acute heart failure across the body mass index (BMI) spectrum. METHODS AND RESULTS: A total of 48 biomarkers, assessing multiple pathophysiological pathways, were measured in 2033 patients included in PROTECT (Placebo-Controlled Randomized Study of the Selective A1 Adenosine Receptor Antagonist Rolofylline for Patients Hospitalized With Acute Decompensated Heart Failure and Volume Overload to Assess Treatment Effect on Congestion and Renal Function), a trial comparing the effects of rolofylline to placebo in patients with acute heart failure...
January 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28067629/standardized-echocardiographic-assessment-of-cardiac-function-in-normal-adult-zebrafish-and-heart-disease-models
#7
Louis W Wang, Inken G Huttner, Celine F Santiago, Scott H Kesteven, Ze-Yan Yu, Michael P Feneley, Diane Fatkin
The zebrafish (Danio rerio) is an increasingly popular model organism in cardiovascular research. Major insights into cardiac developmental processes have been gained by studies of embryonic zebrafish. However, the utility of zebrafish for modeling adult-onset heart disease has been limited by a lack of robust methods for in vivo evaluation of cardiac function. We established a physiological protocol for underwater zebrafish echocardiography using high frequency ultrasound, and evaluated its reliability in detecting altered cardiac function in two disease models...
January 1, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28065583/left-ventricular-contraction-pattern-in-chronic-aortic-regurgitation-and-preserved-ejection-fraction-simultaneous-stress-strain-analysis-by-three-dimensional-echocardiography
#8
Kaspar Broch, Stefano F de Marchi, Richard Massey, Jonny Hisdal, Svend Aakhus, Lars Gullestad, Stig Urheim
BACKGROUND: The role of speckle-tracking echocardiography in the assessment of chronic aortic regurgitation (AR) is not established. Load dependency may encumber the interpretation of strain measurements in the chronically overloaded left ventricle. The aim of this study was to investigate the mechanisms of left ventricular (LV) contraction patterns in asymptomatic patients with moderate to severe AR and preserved ejection fractions. METHODS: In this prospective, cross-sectional study, 31 patients with moderate to severe AR, 15 elite endurance athletes, and 17 healthy control subjects were examined using three-dimensional speckle-tracking echocardiography...
January 5, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28062131/fluid-status-and-outcome-in-patients-with-heart-failure-and-preserved-ejection-fraction
#9
Benedikt Koell, Caroline Zotter-Tufaro, Franz Duca, Andreas A Kammerlander, Stefan Aschauer, Daniel Dalos, Marlies Antlanger, Manfred Hecking, Marcus Säemann, Julia Mascherbauer, Diana Bonderman
BACKGROUND: Most heart failure with preserved ejection fraction (HFpEF) patients, at some point, present to an emergency department with typical symptoms of volume overload. Clinically, most respond well to standard diuretic therapy, sometimes at the cost of renal function. The study sought to define the prognostic significance of fluid status versus renal function in patients with HFpEF. METHODS: One hundred sixty-two consecutive patients with HFpEF were enrolled in our prospective registry...
December 21, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28060132/variation-in-transfusion-requirements-among-children-with-thalassemia-on-regular-transfusion-programs-which-formula-closely-predicts-the-actual-requirements
#10
Nikki Cornell, Michael Eisenhut, Stalin Ramprakash
BACKGROUND: Various different formulae are used to calculate blood transfusion volumes in thalassemia. Using the right formula will avoid iron overload and complications of undertransfusion. OBSERVATIONS: Five years of transfusion data in 11 children with thalassemia showed that no single formula-calculated transfusion volumes accurately. The formula used in the United Kingdom with a hematocrit of the transfused blood of 0.6: (0.4×body weight×desired raise in hemoglobin [g/L]) yielded a volume closest to empirically determined requirements on average...
January 5, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28050895/passive-leg-raise-testing-effectively-reduces-fluid-administration-in-septic-shock-after-correction-of-non-compliance-to-test-results
#11
Arjanne Rameau, Eldert de With, Evert Christiaan Boerma
BACKGROUND: Fluid resuscitation is considered a cornerstone of shock treatment, but recent data have underlined the potential hazards of fluid overload. The passive leg raise (PLR) test has been introduced as one of many strategies to predict 'fluid responsiveness.' The use of PLR testing is applicable to a wide range of clinical situations and has the potential to reduce fluid administration, since PLR testing is based upon (reversible) autotransfusion. Despite these theoretical advantages, data on the net effect on fluid balance as a result of PLR testing remain scarce...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28043083/lung-ultrasound-in-the-management-of-fluid-volume-in-dialysis-patients-potential-usefulness
#12
EDITORIAL
Carmine Zoccali
Volume overload is a hidden, pervasive complication in dialysis patients with dyspnea and pulmonary edema being its main clinical manifestations. Measuring lung water has clinical potential because it allows timely treatment of lung congestion at a preclinical stage. Chest ultrasound (US) is a novel, well-validated technique that allows reliable estimates of lung water in clinical practice. The application of this technique in dialysis patients has shown that an unsuspectedly high proportion of these patients have moderate to severe lung congestion which is usually asymptomatic...
January 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28033626/-overview-and-introduction-of-a-treatment-concept-for-postoperative-care-and-mobilisation-after-free-flap-transplantation-in-the-lower-extremity
#13
M Cerny, J-T Schantz, H Erne, D Schmauss, R E Giunta, H-G Machens, T Schenck
Introduction: Free flap transplants for soft tissue reconstruction in the lower extremity are associated with a higher rate of complications compared with other areas. Mobilisation and the resulting hydrostatic pressure put strain on the flaps. In general, these effects are countered by slowly increasing hydrostatic pressure with the leg being compressed by elastic bandages. These postoperative regimes are also called dangling procedures or "flap training", but are not scientifically validated and therefore there is no consensus or guideline leading to a standard treatment regime...
December 2016: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28033136/permissive-hypotension-and-trauma-can-fluid-restriction-reduce-the-incidence-of-ards
#14
Melissa Kolarik, Eric Roberts
Emergency care, including the resuscitation of patients involved in traumatic events, has evolved over the years. A prior practice of utilizing large volumes of crystalloids has been found to contribute to complications such as coagulopathy, fluid overload, and adult respiratory distress syndrome (ARDS). In contrast, permissive hypotension is a method of fluid restriction that allows for low blood pressure and mean arterial pressure during the resuscitation period. When permissive hypotension occurs and fluids are restricted in trauma patients, the incidence of ARDS can be reduced significantly with improvement in patient outcomes...
January 2017: Journal of Trauma Nursing: the Official Journal of the Society of Trauma Nurses
https://www.readbyqxmd.com/read/28029208/pulmonary-and-tricuspid-valvuloplasty-in-carcinoid-heart-disease
#15
Ashkan Karimi, Negiin Pourafshar, James C Fudge
A 26-year-old female with carcinoid heart disease consisting of severe pulmonary and tricuspid valve stenosis was admitted with line associated sepsis. She recovered from sepsis with antibiotics and aggressive fluid resuscitation but became grossly volume overloaded with evidence of tense ascites and lower extremity edema. She developed worsening renal and hepatic function due to congestive nephropathy and hepatopathy, which did not respond to intravenous diuretics, and she was deemed too sick for surgical pulmonary and tricuspid valve replacement...
December 28, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28027733/restricted-albumin-utilization-is-safe-and-cost-effective-in-a-cardiac-surgery-intensive-care-unit
#16
Joseph Rabin, Timothy Meyenburg, Ashleigh V Lowery, Michael Rouse, James S Gammie, Daniel Herr
BACKGROUND: Volume expansion is often necessary after cardiac surgery, and albumin is often administered. Albumin's high cost motivated an attempt to reduce its utilization. This study analyzes the impact limiting albumin infusion in a cardiac surgery intensive care unit. METHODS: This retrospective study analyzed albumin use between April 2014 and April 2015 in patients admitted to a cardiac surgery intensive care unit. During the first 9 months, there were no restrictions...
December 24, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28027577/a-practical-approach-to-nutritional-screening-and-assessment-in-cirrhosis
#17
REVIEW
Puneeta Tandon, Maitreyi Raman, Marina Mourtzakis, Manuela Merli
Malnutrition is one of the most common complications of cirrhosis, associated with an increased risk of morbidity and mortality. As a potentially modifiable condition, it is of particular relevance to identify malnourished patients so that nutritional therapy can be instituted. Nutrition screening and assessment are currently performed infrequently in patients with cirrhosis. The reasons for this are multifactorial including the absence of a validated "rapid" screening tool, multiple definitions of what constitutes malnutrition, and challenges with interpreting body composition and laboratory results in the setting of volume overload and liver dysfunction...
December 27, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28002439/dexrazoxane-shows-no-protective-effect-in-the-acute-phase-of-reperfusion-during-myocardial-infarction-in-pigs
#18
Pranitha Kamat, Stijn Vandenberghe, Stephan Christen, Anjan K Bongoni, Bernhard Meier, Robert Rieben, Ahmed A Khattab
Calcium and iron overload participate in the mechanisms of ischemia/reperfusion (I/R) injury during myocardial infarction (MI). Calcium overload induces cardiomyocyte death by hypercontraction, while iron catalyses generation of reactive oxygen species (ROS). We therefore hypothesized that dexrazoxane, an intracellular metal chelator, would attenuate I/R injury. MI was induced in pigs by occlusion of the left anterior descending artery for 1 hour followed by 2 hours reperfusion. Thirty minutes before reperfusion either 5 mg/ml dexrazoxane (n = 5) or saline (n = 5) was infused intravenously...
2016: PloS One
https://www.readbyqxmd.com/read/28000916/pathological-changes-of-adipose-tissue-in-secondary-lymphedema
#19
K Tashiro, J Feng, S-H Wu, T Mashiko, K Kanayama, M Narushima, H Uda, S Miyamoto, I Koshima, K Yoshimura
BACKGROUND: The pathophysiology of lymphedema is poorly understood. Current treatment options include compression therapy, resection, liposuction, and lymphatic microsurgery, but determining the optimal treatment approach for each patient remains challenging. OBJECTIVES: We characterized skin and adipose tissue alterations in the setting of secondary lymphedema. METHODS: Morphologic and histopathologic evaluations were conducted for 70 specimens collected from 26 female patients with lower extremity secondary lymphedema following surgical intervention for gynecologic cancers...
December 21, 2016: British Journal of Dermatology
https://www.readbyqxmd.com/read/27994605/the-triad-of-sleep-apnea-hypertension-and-chronic-kidney-disease-a-spectrum-of-common-pathology
#20
REVIEW
Fahad Aziz, Kunal Chaudhary
Obstructive sleep apnea (OSA), hypertension, and chronic kidney disease (CKD) are different entities and are generally managed individually most of the time. However, CKD, OSA, and hypertension share many common risk factors and it is not uncommon to see this complex triad together. In fact, they share similar pathophysiology and have been interlinked with each other. The common pathophysiology includes chronic volume overload, hyperaldosteronism, increased sympathetic activity, endothelial dysfunction, and increased inflammatory markers...
November 2016: Cardiorenal Medicine
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