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https://www.readbyqxmd.com/read/28214194/orthogeriatric-activity-in-a-general-hospital-of-castilla-la-mancha-spain
#1
J M Fernández-Ibáñez, M C Morales-Ballesteros, E Crespo-Romero, S Gómez-Gómez, M D Fraga-Fuentes, J Cruz-Tejado, P A Hernández-Zegarra, Á Arias-Arias, M M García-Baltasar
AIM: To describe the orthogeriatric activity in the elderly with hip fractures in the Hospital Mancha Centro, based on the recommendations of the main guidelines. MATERIAL AND METHOD: Observational prospective study, comprising all patients over 65 years of age admitted to the Traumatology Unit with a hip fracture between April 2015 and December 2015. Patients were admitted under the care of the Traumatology Unit with cross-consultation carried out with the Geriatrics Department, which then carried out a pre-operative geriatric assessment and the post-operative follow-ups...
February 14, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/28206771/magnetic-particle-imaging-a-novel-in-vivo-imaging-platform-for-cancer-detection
#2
Elaine Y Yu, Mindy Bishop, Bo Zheng, R Matthew Ferguson, Amit P Khandhar, Scott J Kemp, Kannan M Krishnan, Patrick W Goodwill, Steven M Conolly
Cancer remains one of the leading causes of death worldwide. Biomedical imaging plays a crucial role in all phases of cancer management. Physicians often need to choose the ideal diagnostic imaging modality for each clinical presentation based on complex trade-offs between spatial resolution, sensitivity, contrast, access, cost, and safety. Magnetic particle imaging (MPI) is an emerging tracer imaging modality that detects superparamagnetic iron oxide (SPIO) nanoparticle tracer with high image contrast (zero tissue background signal), high sensitivity (200 nM Fe) with linear quantitation and zero signal depth attenuation...
February 16, 2017: Nano Letters
https://www.readbyqxmd.com/read/28198084/single-dose-intravenous-iron-infusion-or-oral-iron-for-treatment-of-fatigue-after-postpartum-haemorrhage-a%C3%A2-randomized-controlled-trial
#3
C Holm, L L Thomsen, A Norgaard, J Langhoff-Roos
BACKGROUND AND OBJECTIVES: To evaluate the clinical efficacy of a single-dose intravenous infusion of iron isomaltoside compared with current treatment practice with oral iron measured by physical fatigue in women after postpartum haemorrhage. MATERIALS AND METHODS: Single-centre, open-label, randomized controlled trial. Participants received intravenous iron (n = 97) or oral iron (n = 99), and completed the Multidimensional Fatigue Inventory and Edinburgh Postnatal Depression Scale, and haematological and iron parameters were measured...
February 15, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28195425/carbon-nanotubes-disrupt-iron-homeostasis-and-induce-anemia-of-inflammation-through-inflammatory-pathway-as-a-secondary-effect-distant-to-their-portal-of-entry
#4
Juan Ma, Ruibin Li, Yin Liu, Guangbo Qu, Jing Liu, Wenli Guo, Haoyang Song, Xinghong Li, Yajun Liu, Tian Xia, Bing Yan, Sijin Liu
Although numerous toxicological studies have been performed on carbon nanotubes (CNTs), a few studies have investigated their secondary and indirect effects beyond the primary target tissues/organs. Here, a cascade of events are investigated: the initiating event and the subsequent key events necessary for the development of phenotypes, namely CNT-induced pro-inflammatory effects on iron homeostasis and red blood cell formation, which are linked to anemia of inflammation (AI). A panel of CNTs are prepared including pristine multiwall CNTs (P-MWCNTs), aminated MWCNTs (MWCNTs-NH2 ), polyethylene glycol MWCNTs (MWCNTs-PEG), polyethyleneimine MWCNTs (MWCNTs-PEI), and carboxylated MWCNTs (MWCNTs-COOH)...
February 13, 2017: Small
https://www.readbyqxmd.com/read/28183070/remotely-controlled-drug-release-based-on-iron-oxide-nanoparticles-for-specific-therapy-of-cancer
#5
Lin Wu, Ling Chen, Fei Liu, Xueyong Qi, Yanru Ge, Song Shen
Chemotherapy has been widely used in clinic and usually causes serious side effects. To improve therapeutic effect, it is really necessary to realize local drug release and specific therapy. In this work, we demonstrate Azo (4,4-azobis (4-cyanovaleric acid))-functionalized multifunctional nanoparticles to realize near-infrared (NIR) laser-responsive drug release and combined chemo-photothermal cancer therapy. Doxorubicin (DOX) was attached to magnetic nanoparticles via a thermal-cleavable Azo linker, which could decompose while the temperature reach ∼43°C...
January 13, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28177696/assessment-of-renal-function-in-the-anaesthetised-rat-following-injection-of-iron-oxide-superparamagnetic-nanoparticles-spion
#6
Deirdre Edge, Christine M Shortt, Edward James Johns, Oliviero Gobbo, Farouk Markos, Mohammed H Abdulla, Elaine F Barry
A recent study showed that a significant fall in mean arterial pressure (MAP) occurred following intravenous injection of two novel superparamagnetic iron oxide nanoparticles (SPION), MF66 and OD15. To assess if this was caused by excessive glomerular clearance, the effect of both particles on renal function was studied. Experiments were performed on sodium pentobarbital anaesthetised male Wistar rats (250 - 350 g). Twenty min urine clearances were taken, followed by an i.v. bolus of MF66, OD15 (2 mg/kg) or dH2O (0...
November 14, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28176853/quantifying-tumor-associated-macrophages-in-breast-cancer-a-comparison-of-iron-and-fluorine-based-mri-cell-tracking
#7
Ashley V Makela, Jeffrey M Gaudet, Paula J Foster
Tumor associated macrophages (TAMs) are associated with tumor growth and metastasis. MRI can detect TAMs labeled with iron oxide (USPIO) or perfluorocarbon (PFC) agents. This study compared these two cell tracking approaches for imaging TAMs in vivo. 4T1 tumors were imaged with MRI at 4 days or 3 weeks post cell implantation after intravenous (i.v.) administration of either USPIO or PFC. Signal loss was detected within tumors at both time points post USPIO. Images acquired at 4 days demonstrated signal loss encompassing the entire tumor and around the periphery at 3 weeks...
February 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28175185/p620-network-meta-analysis-of-efficacy-and-safety-of-different-intravenous-iron-compounds-for-the-treatment-of-iron-deficiency-anaemia-in-patients-with-inflammatory-bowel-disease
#8
A Aksan, H Işık, H H Radeke, A Dignass, J Stein
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28172626/p456-comparative-analysis-of-oral-versus-intravenous-iron-in-patients-with-inflammatory-bowel-disease-and-iron-deficiency-anaemia-impact-on-hospitalisation-in-germany
#9
K Borchert, T Hardt, J S Haas, S H Ong, E Lechat, K Nip, D Foerster, S Braun, J Stein
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28166432/quantitative-histochemistry-for-macrophage-biodistribution-on-mice-liver-and-spleen-after-the-administration-of-a-pharmacological-relevant-dose-of-polyacrylic-acid-coated-iron-oxide-nanoparticles
#10
Daniela Rodrigues, Marisa Freitas, Vera Marisa Costa, M Arturo Lopez-Quintela, José Rivas, Paulo Freitas, Félix Carvalho, Eduarda Fernandes, Paula Silva
Understanding in vivo biodistribution of iron oxide nanoparticles (IONs), and the involvement of the phagocyte system in this process, is crucial for the assessment of their potential health risk. In the present study, the histochemical expression of iron in spleen and liver sections of CD-1 mice (aged 8 weeks) was quantified, 24 hours after intravenous administration of polyacrylic acid-coated IONs (PAA-coated IONs) (8, 20, 50 mg/kg). Organ sections were stained with Perls' Prussian blue for iron detection, followed by the quantification of iron deposition with ImageJ software...
February 6, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/28160427/performance-of-redox-active-and-chelatable-iron-assays-to-determine-labile-iron-release-from-intravenous-iron-formulations
#11
A B Pai, D E Meyer, B C Bales, V E Cotero, M P Pai, N Zheng, W Jiang
Emerging data from global markets outside the United States, where many generic iron sucrose formulations are available, have revealed that non-US generic intravenous (i.v.) iron formulations may have iron release profiles that differ from the reference listed drug (RLD). The first generic i.v. iron approved in the United States was sodium ferric gluconate complex in 2011. We evaluated chelatable and redox labile iron assay methods to measure the amount of labile iron released from i.v. iron formulations in biorelevant matrices in vitro...
February 3, 2017: Clinical and Translational Science
https://www.readbyqxmd.com/read/28153964/anemia-in-peritoneal-dialysis-patients-iron-repletion-current-and-future-therapies
#12
REVIEW
Ahmed Zeidan, Sunil Bhandari
Iron deficiency, both functional and absolute, is common in patients with chronic kidney disease (CKD), especially those requiring dialysis. Guidelines advocate treatment of iron-deficiency anemia in patients with CKD and those on peritoneal dialysis (PD). Oral iron is often insufficient and slow to improve hemoglobin concentrations because of high hepcidin levels causing impaired absorption and mobilization, while intravenous (IV) supplementation replenishes and maintains iron stores more effectively and is now standard practice (Kidney Disease Improving Global Outcomes [KDIGO] 2012 guidelines)...
January 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28151394/a-fast-track-anaemia-clinic-in-the-emergency-department-cost-analysis-of-intravenous-iron-administration-for-treating-iron-deficiency-anaemia
#13
Manuel Quintana-Díaz, Raúl Muñoz-Romo, Susana Gómez-Ramírez, José Pavía, Alberto M Borobia, José A García-Erce, Manuel Muñoz
BACKGROUND: A fast-track anaemia clinic (FTAC) for the management of moderate-to-severe iron-deficiency anaemia (IDA) was established in our Emergency Department in 2010. In this FTAC, the replacement of packed red cell transfusion by ferric carboxymaltose administration was proven to be safe and effective. The aim of this study was a cost-analysis of IDA management in the FTAC, comparing this management with the previous standard care pathway consisting of packed red cell transfusion, if needed, and referral to outpatient specialised care...
January 24, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28135334/relative-incidence-of-acute-adverse-events-with-ferumoxytol-compared-to-other-intravenous-iron-compounds-a-matched-cohort-study
#14
James B Wetmore, Eric D Weinhandl, Jincheng Zhou, David T Gilbertson
Concerns persist about adverse reactions to intravenous (IV) iron. We aimed to determine the relative safety of ferumoxytol compared to other IV iron compounds. This retrospective cohort study with propensity-score matching for patients and drug doses used the Medicare 20% random sample to identify patients (1) without chronic kidney disease (non-CKD) and (2) with non-dialysis-dependent chronic kidney disease (NDD-CKD) who received a first dose of IV iron in 2010-2012. Exposures were ferumoxytol, iron sucrose, sodium ferric gluconate, or iron dextran...
2017: PloS One
https://www.readbyqxmd.com/read/28132997/polymer-brush-afforded-spio-nanoparticles-show-a-unique-biodistribution-and-mr-imaging-contrast-in-mouse-organs
#15
Ting Chen, Yuki Mori, Chizuko Inui-Yamamoto, Yutaka Komai, Yoshiyuki Tago, Shinichi Yoshida, Yoshitsugu Takabatake, Yoshitaka Isaka, Kohji Ohno, Yoshichika Yoshioka
INTRODUCTION: To investigate the biodistribution and retention properties of the new super paramagnetic iron oxide (new SPIO: mean hydrodynamic diameter, 100 nm) nanoparticles, which have concentrated polymer brushes in the outer shell and are difficult for phagocytes to absorb, and to compare the new SPIO with clinically approved SPIO (Resovist: mean hydrodynamic diameter, 57 nm). MATERIALS AND METHODS: 16 male C57BL/6N mice were divided in two groups according to the administered SPIO (n = 8 for each group; intravenous injection does, 0...
January 30, 2017: Magnetic Resonance in Medical Sciences: MRMS
https://www.readbyqxmd.com/read/28131884/inflammation-induced-brain-endothelial-activation-leads-to-uptake-of-electrostatically-stabilized-iron-oxide-nanoparticles-via-sulfated-glycosaminoglycans
#16
Dominique Berndt, Jason M Millward, Jörg Schnorr, Matthias Taupitz, Verena Stangl, Friedemann Paul, Susanne Wagner, Jens T Wuerfel, Ingolf Sack, Antje Ludwig, Carmen Infante-Duarte
Based on our previous data on the presence of very small superparamagnetic iron oxide nanoparticles (VSOP) on brain endothelial structures during experimental autoimmune encephalomyelitis (EAE), we investigated the mechanisms of VSOP binding on inflamed brain endothelial cells in vivo and in vitro. After intravenous application, VSOP were detected in brain endothelial cells of EAE animals at peak disease and prior to clinical onset. In vitro, inflammatory stimuli increased VSOP uptake by brain endothelial bEnd...
January 25, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28128726/the-safety-of-achieved-iron-stores-and-their-effect-on-iv-iron-and-esa-use-post-hoc-results-from-a-randomized-trial-of-ferric-citrate-as-a-phosphate-binder-in-dialysis%C3%A2
#17
Kausik Umanath, Barbara Greco, Diana I Jalal, Molly McFadden, Mohammed Sika, Mark J Koury, Robert Niecestro, Lawrence G Hunsicker, Tom Greene, Julia B Lewis, Jamie P Dwyer
Iron stores assuring optimal efficacy/safety for erythropoiesis are unknown in the dialysis population. Using multicenter trial data, we related safety profiles, erythropoiesis-stimulating agent (ESA), and intravenous iron dosing to achieved iron stores in 441 subjects randomized 2 : 1 to ferric citrate or active control as their phosphate binder over 52 weeks. Intravenous iron was given at each site's discretion if ferritin ≤ 1,000 ng/mL and transferrin saturation ≤ 30%. Multivariable time-dependent Cox regression jointly related the primary safety outcome (composite of cardiac, infection, gastrointestinal, and hepatobiliary serious adverse events) to moving averages of ferritin and transferrin saturation over the preceding 90 days with covariate adjustment...
January 27, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28119272/diagnosis-and-treatment-of-iron-deficiency-anemia-in-patients-with-inflammatory-bowel-disease-and-gastrointestinal-bleeding-iron-deficiency-anemia-working-group-consensus-report
#18
REVIEW
Hale Akpınar, Mustafa Çetiner, Satish Keshav, Necati Örmeci, Murat Toruner
Iron deficiency (ID) and iron deficiency anemia (IDA) are important signs of gastrointestinal (GI) hemorrhage. Therefore, the evaluation of the GI tract should be a part of the diagnostic protocol in patients with IDA. GI hemorrhage is not a disease but a symptom, which might have different underlying causes. ID and IDA have significant negative impacts on the life quality and work ability, and they may lead to frequent hospitalization, delay of discharge, and increased healthcare costs. Therefore, an optimal management of the disease causing GI hemorrhage should include iron replacement therapy, along with the treatment of the underlying condition...
January 25, 2017: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/28101313/a-young-adult-with-unintended-acute-intravenous-iron-intoxication-treated-with-oral-chelation-the-use-of-liver-ferriscan-for-diagnosing-and-monitoring-tissue-iron-load
#19
Mohamed Yassin, Ashraf T Soliman, Vincenzo De Sanctis, Abbas Moustafa, Sandra Abou Samaan, Abdulqadir Nashwan
Acute iron intoxication (FeI) in humans has not been adequately studied. The manifestation of FeI, defined as a serum iron concentration >300 μg/dL (55 μmol/L) within 12 hours of ingestion, include various symptoms appearing in progressive stages. Systemic toxicity is expected with an intake of 60 mg/kg. A 27-year-old female nurse presented with unintended acute intravenous iron intoxication (FeI) a week after self-injecting herself with 20 ampoules of IV iron (4,000 mg elemental iron, 60 mg/kg). She had stable vital signs and mild hepatic tenderness...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28095881/renal-function-in-patients-with-non-dialysis-chronic-kidney-disease-receiving-intravenous-ferric-carboxymaltose-an-analysis-of-the-randomized-find-ckd-trial
#20
Iain C Macdougall, Andreas H Bock, Fernando Carrera, Kai-Uwe Eckardt, Carlo Gaillard, David Van Wyck, Yvonne Meier, Sylvain Larroque, Simon D Roger
BACKGROUND: Preclinical studies demonstrate renal proximal tubular injury after administration of some intravenous iron preparations but clinical data on renal effects of intravenous iron are sparse. METHODS: FIND-CKD was a 56-week, randomized, open-label, multicenter study in which patients with non-dialysis dependent chronic kidney disease (ND-CKD), anemia and iron deficiency without erythropoiesis-stimulating agent therapy received intravenous ferric carboxymaltose (FCM), targeting either higher (400-600 μg/L) or lower (100-200 μg/L) ferritin values, or oral iron...
January 17, 2017: BMC Nephrology
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