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https://www.readbyqxmd.com/read/28351043/central-serous-chorioretinopathy
#1
Alejandra Daruich, Alexandre Matet, Francine Behar-Cohen
Central serous is an atypical form of macular edema with mostly accumulation of fluid under the retina. It contitutes a pure phenotype of retinal pigment epithelium barrier breakdown. Another particularity is the good visual preservation despite important fluid volume increase in the macula.
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28351041/mechanisms-of-retinal-fluid-accumulation-and-blood-retinal-barrier-breakdown
#2
José Cunha-Vaz
Macular edema is the swelling of the central portion of the human retina and it is associated with increased retinal thickness. It can be simply defined as an excess of fluid within the retinal tissue. It must be realized that the normal retina possesses a functional extracellular space. With regard to the extracellular volume of the retina, there have been few physiologic studies, but there are reported values of 24.8% for the cerebrum and 23.6% for the cerebellum. It is accepted that the retinal extracellular space is similar to the brain...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28350536/anti-inflammatory-effects-and-anti-oxidant-capacity-of-myrathius-arboreus-cecropiaceae-in-experimental-models
#3
Oluwafemi Gabriel Oluwole, Olufunmilayo Ologe, Akinyinka Alabi, Ganiyu Tunde Yusuf, Solomon Umukoro
BACKGROUND: Inflammation is involved in various diseases; search for safe treatments is warranted. Anti-inflammatory effects of ethanol extract of Myrathius arboreus (EEMa) were studied in carrageenan-induced model, formaldehyde sub-acute-induced model, and in 48 h lipopolysaccharide-induced air pouch model of inflammation. EEMa membrane-stabilizing activities and anti-oxidant capacity were determined in vitro. METHODS: In the carrageenan model EEMa (125, 250, or 500 mg/kg), indomethacin (5 mg/kg), or vehicle 3 mL/kg was administered orally in rats (n=5)...
March 28, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28346854/breast-cancer-related-lymphedema-differentiating-fat-from-fluid-using-magnetic-resonance-imaging-segmentation
#4
Yuka Sen, Yi Qian, Louise Koelmeyer, Robert Borotkanics, Robyn Ricketts, Helen Mackie, Thomas C Lam, Kevin Ho Shon, Hiroo Suami, John Boyages
BACKGROUND: Lymphedema is an iatrogenic complication after breast cancer treatment in which lymph fluid in the affected limb progresses to fat deposition and fibrosis that are amenable to liposuction treatment. Magnetic resonance imaging (MRI) for lymphedema can differentiate fat tissue from fluid, but estimating relative volumes remains problematic. METHODS AND RESULTS: Patients underwent routine bilateral arm MRI both before and after liposuction for advanced lymphedema...
March 27, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28345105/phase-behavior-of-colloid-polymer-depletion-mixtures-with-unary-or-binary-depletants
#5
Nayoung Park, Jacinta C Conrad
Adding depletants to a colloidal suspension induces an attractive interparticle interaction that can be tuned to obtain desired structures or to probe phase behavior. When the depletant is not uniform in size, however, both the range and strength of the attraction become difficult to predict and hence control. We investigated the effects of depletant bidispersity on the non-equilibrium phase behavior of colloid-polymer mixtures. We added unary or binary mixtures of polystyrene as the depletant to suspensions of charged poly(methyl methacrylate) particles...
March 27, 2017: Soft Matter
https://www.readbyqxmd.com/read/28343684/fluid-therapy-recommendations-for-major-abdominal-surgery-via-rica-recommendations-revisited-part-ii-goal-directed-hemodynamic-therapy-rationale-for-optimising-intravascular-volume
#6
J Ripollés-Melchor, D Chappell, H D Aya, Á Espinosa, M G Mhyten, A Abad-Gurumeta, S D Bergese, R Casans-Francés, J M Calvo-Vecino
No abstract text is available yet for this article.
March 24, 2017: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/28342654/the-role-of-the-signal-intensity-ratio-on-fluid-attenuated-inversion-recovery-in-stroke-patients-achieving-successful-recanalization-with-endovascular-treatment
#7
Taehoon Kim, Jong-Won Chung, Myung Suk Jang, Mi Hwa Yang, Sang-Hwa Lee, Beom Joon Kim, Moon-Ku Han, Jae Hyoung Kim, Cheolkyu Jung, Jae-Sung Lim, Hee-Joon Bae
BACKGROUND: This study aimed to investigate whether fluid-attenuated inversion recovery (FLAIR) imaging hyperintensity can be used as a surrogate marker for the severity of ischemic insult and predict lesion growth. METHODS: Based on a prospective stroke registry database, we identified patients with ischemic stroke who were treated with endovascular treatment (EVT) within 8 hours of onset and achieved successful recanalization (modified thrombolysis in cerebral infarction ≥2B)...
March 22, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28341966/efficacy-of-single-dose-gonadotropin-releasing-hormone-agonist-administration-prior-to-magnetic-resonance-guided-focused-ultrasound-surgery-for-symptomatic-uterine-fibroids
#8
Hyun Park, Sang Wook Yoon
PURPOSE: To investigate the effects of a single-dose GnRHa on the thermal ablation of MRgFUS in women with symptomatic fibroids. MATERIALS AND METHOD: In this pilot study, a single-dose GnRHa was administered in 17 patients with a total of 20 fibroids. Volume and scaled signal intensity (SSI) as an objective marker of fluid contents were prospectively followed up with serial MR scans. The control group of 17 patients with 19 fibroids were retrospectively enrolled and compared with GnRHa group in terms of non-perfused volume (NPV) and thermal dosimetry to assess the efficiency of thermal ablation...
March 24, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28341694/mineralocorticoid-receptor-and-nacl-transport-mechanisms-in-the-renal-distal-nephron
#9
Shigeru Shibata
A key role of aldosterone and mineralocorticoid receptor is to regulate fluid volume and K+ homeostasis in the body by acting on the renal distal nephron. Global responses of the kidney to elevated aldosterone levels are determined by the coordinate action of different constituent tubule cells, including principal cells, intercalated cells, and distal convoluted tubule cells. Recent studies on genetic mutations causing aldosterone overproduction have identified molecules involved in aldosterone biosynthesis in the adrenal gland, and there is also increasing evidence for mechanisms and signaling pathways regulating the balance between renal NaCl reabsorption and K+ secretion, the two major effects of aldosterone...
March 24, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28341683/total-volume-and-composition-of-fluid-intake-and-mortality-in-older-women-a-cohort-study
#10
Wai H Lim, Germaine Wong, Joshua R Lewis, Charmaine E Lok, Kevan R Polkinghorne, Jonathan Hodgson, Ee M Lim, Richard L Prince
OBJECTIVES: The health benefits of 'drinking at least 8 glasses of water a day" in healthy individuals are largely unproven. We aimed to examine the relationship between total fluid and the sources of fluid consumption, risk of rapid renal decline, cardiovascular disease (CVD) mortality and all-cause mortality in elderly women. DESIGN, SETTING AND PARTICIPANTS: We conducted a longitudinal analysis of a population-based cohort study of 1055 women aged ≥70 years residing in Australia...
March 24, 2017: BMJ Open
https://www.readbyqxmd.com/read/28341573/quercetin-alters-uterine-fluid-volume-and-aquaporin-aqp-subunits-aqp-1-2-5-7-expression-in-the-uterus-in-the-presence-of-sex-steroids-in-rats
#11
Huma Shahzad, Nelli Giribabu, Kamarulzaman Karim, Sekaran Muniandy, Normadiah M Kassim, Naguib Salleh
Effects of quercetin on uterine fluid volume and aquaporin (AQP) expression in the uterus were investigated. Estradiol (E) or estradiol followed by progesterone (E+P) were given to ovariectomised rats with or without quercetin (10, 50 or 100mg/kg/day) treatment. Uteri were harvested and its inner/outer circumference ratio was determined. AQP-1, 2, 5 and 7 mRNA and protein levels in uterus were quantified by Real-time PCR and Western blotting respectively. Protein distribution was observed by immunohistochemistry...
March 21, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28341372/evaluation-of-remote-dielectric-sensing-reds-technology-guided-therapy-for-decreasing-heart-failure-re-hospitalizations
#12
Offer Amir, Tuvia Ben-Gal, Jean Marc Weinstein, Jorge Schliamser, Daniel Burkhoff, Aharon Abbo, William T Abraham
OBJECTIVE: We tested whether remote dielectric sensing (ReDS)-directed fluid management reduces readmissions in patients recently hospitalized for heart failure (HF). BACKGROUND: Pulmonary congestion is the most common cause of worsening HF leading to hospitalization. Accurate remote monitoring of lung fluid volume may guide optimal treatment and prevent re-hospitalization. ReDS technology is a quantitative non-invasive method for measuring absolute lung fluid volume...
March 3, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28340895/post-operative-consequences-of-hemodynamic-optimization
#13
A Lazkani, G Lebuffe
Hemodynamic optimization begins with a medical assessment to identify the high-risk patients. This stratification is needed to customize the choice of hemodynamic support that is best adapted to the patient's level of risk, integrating the use of the least invasive procedures. The macro-circulatory hemodynamic approach aims to maintain a balance between oxygen supply (DO2) and oxygen demand (VO2). Volume replacement plays a crucial role based on the titration of fluid boluses according to their effect on measured stroke volume or indices of preload dependency...
December 2016: Journal of Visceral Surgery
https://www.readbyqxmd.com/read/28340840/short-term-results-of-heartmate-3-ventricular-assist-device-implantation-for-end-stage-heart-failure
#14
P Ozturk, S Ertugay, C Sahutoglu, C Engin, S Nalbantgil, T Yagdi, M Ozbaran
OBJECTIVE: To report our initial experience with Heartmate 3 ventricular assist device (HM3) in cases with end-stage heart failure (ESHF). METHODS: Charts of 8 ESHF patients who underwent HM3 implantation in our clinic from January to June 2016 (group 1) and 16 patients who underwent HM2 implantation during 2015 (group 2) were reviewed retrospectively. Demographics as well as pre- and early postoperative medical data were noted and statistically analyzed between the 2 groups...
April 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28340774/rapid-micromotor-based-naked-eye-immunoassay
#15
Berta Esteban-Fernández de Ávila, Mingjiao Zhao, Susana Campuzano, Francesco Ricci, José M Pingarrón, Marcello Mascini, Joseph Wang
A dynamic micromotor-based immunoassay, exemplified by cortisol detection, based on the use of tubular micromotors functionalized with a specific antibody is described. The use of antibody-functionalized micromotors offers huge acceleration of both direct and competitive cortisol immunoassays, along with greatly enhanced sensitivity of direct and competitive immunoassays. The dramatically improved speed and sensitivity reflect the greatly increased likelihood of antibody-cortisol contacts and fluid mixing associated with the dynamic movement of these microtube motors and corresponding bubble generation that lead to a highly efficient and rapid recognition process...
May 15, 2017: Talanta
https://www.readbyqxmd.com/read/28340405/population-pharmacokinetic-modeling-of-furosemide-in-patients-with-hypertension-and-fluid-overload-conditions
#16
Devender Kodati, Narsimhareddy Yellu
BACKGROUND: Furosemide is a loop diuretic drug frequently indicated in hypertension and fluid overload conditions such as congestive heart failure and hepatic cirrhosis. OBJECTIVE: The purpose of the study was to establish a population pharmacokinetic model for furosemide in Indian hypertensive and fluid overload patients, and to evaluate effects of covariates on the volume of distribution (V/F) and oral clearance (CL/F) of furosemide. METHODS: A total of 188 furosemide plasma sample concentrations from 63 patients with hypertension or fluid overload conditions were collected in this study...
January 15, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28338830/varying-influences-of-aldosterone-on-the-plasma-potassium-concentration-in-blacks-and-whites
#17
Wanzhu Tu, George J Eckert, Brian S Decker, John Howard Pratt
BACKGROUND: Aldosterone acts to restrain the extracellular potassium (K+) concentration. Blacks have on average lower plasma aldosterone concentrations (PACs) than Whites. Whether this ethnic difference is associated with similar changes in the concentration of K+ is unclear. METHODS: Subjects were Blacks and Whites from an observational study of blood pressure regulation. PAC was known to be significantly lower in Blacks than Whites. We sought to test the hypothesis that the concentration of K+ remains constant despite variability in PAC...
February 27, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28338490/small-volume-injections-evaluation-of-volume-administration-deviation-from-intended-injection-volumes
#18
Matthew K Muffly, Michael I Chen, Rebecca E Claure, David R Drover, Bradley Efron, William L Fitch, Gregory B Hammer
BACKGROUND: In the perioperative period, anesthesiologists and postanesthesia care unit (PACU) nurses routinely prepare and administer small-volume IV injections, yet the accuracy of delivered medication volumes in this setting has not been described. In this ex vivo study, we sought to characterize the degree to which small-volume injections (≤0.5 mL) deviated from the intended injection volumes among a group of pediatric anesthesiologists and pediatric postanesthesia care unit (PACU) nurses...
March 23, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28338391/modifications-in-human-oral-fibroblast-ultrastructure-collagen-production-and-lysosomal-compartment-in-response-to-e-cigarette-fluids
#19
Silvia Sancilio, Marialucia Gallorini, Amelia Cataldi, Laura Sancillo, Rosa Alba Rana, Viviana di Giacomo
Background Many smokers have recently turned to electronic cigarettes (e-cigarettes) because they have been marketed as a cheaper and safer smokeless alternative to traditional cigarettes, and a possible smoking cessation tool. Even though the safety of these electronic devices is still not fully known, there is evidence of their cytotoxicity on cells which belong to the oral cavity. In a previous paper the increase of reactive oxygen production and Bax expression, followed by the occurrence of apoptosis, were demonstrated in human gingival fibroblasts...
March 24, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28338192/application-of-percutaneous-epididymal-sperm-aspiration-in-azoospermia
#20
L Hao, Z-G Li, H-G He, Z-G Zhang, J-J Zhang, Y Dong, Z-B Li, C-H Han
OBJECTIVE: The present study introduces the application of percutaneous epididymal sperm aspiration (PESA) for diagnosis of obstructive azoospermia and non-obstructive azoospermia. PATIENTS AND METHODS: 96 cases diagnosed with azoospermia were selected, standard methods were used to measure testicular volume, chemiluminescence was used to test serum sexual hormone levels, and No. 7 butterfly needles were applied to puncture the head of the epididymis and aspirate epididymal luminal fluid...
March 2017: European Review for Medical and Pharmacological Sciences
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