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https://www.readbyqxmd.com/read/29791023/comparison-of-the-cockcroft-gault-mdrd-and-ckd-epi-equations-for-estimating-ganciclovir-clearance
#1
Maria-Eugenia Palacio-Lacambra, Immaculada Comas-Reixach, Albert Blanco-Grau, Josep-Maria Suñé-Negre, Alfonso Segarra-Medrano, José-Bruno Montoro-Ronsano
BACKGROUND: Accurately estimating kidney function is essential for the safe administration of renally cleared drugs like ganciclovir. Current practice recommends adjusting renally eliminated drugs according to the Cockcroft-Gault equation. There is no data on the utility of the Modification of Diet in Renal Disease (MDRD) and Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equations in ganciclovir dosing. PURPOSE: To evaluate which renal function equation best predicts ganciclovir clearance...
May 23, 2018: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29790374/hybrid-liposomes-showing-enhanced-accumulation-in-tumors-as-theranostic-agents-in-the-orthotopic-graft-model-mouse-of-colorectal-cancer
#2
Masaki Okumura, Hideaki Ichihara, Yoko Matsumoto
Hybrid liposomes (HLs) can be prepared by simply sonicating a mixture of vesicular and micellar molecules in a buffer solution. This study aimed to elucidate the therapeutic effects and ability of HLs to detect (diagnosis) cancer in an orthotopic graft mouse model of colorectal cancer with HCT116 cells for the use of HLs as theranostic agents. In the absence of a chemotherapeutic drug, HLs exhibited therapeutic effects by inhibiting the growth of HCT116 colorectal cancer cells in vitro, possibly through an increase in apoptosis...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29789983/principles-of-fluid-management-and-stewardship-in-septic-shock-it-is-time-to-consider-the-four-d-s-and-the-four-phases-of-fluid-therapy
#3
REVIEW
Manu L N G Malbrain, Niels Van Regenmortel, Bernd Saugel, Brecht De Tavernier, Pieter-Jan Van Gaal, Olivier Joannes-Boyau, Jean-Louis Teboul, Todd W Rice, Monty Mythen, Xavier Monnet
In patients with septic shock, the administration of fluids during initial hemodynamic resuscitation remains a major therapeutic challenge. We are faced with many open questions regarding the type, dose and timing of intravenous fluid administration. There are only four major indications for intravenous fluid administration: aside from resuscitation, intravenous fluids have many other uses including maintenance and replacement of total body water and electrolytes, as carriers for medications and for parenteral nutrition...
May 22, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29788931/the-prevalence-of-substance-use-among-russian-somali-and-kurdish-migrants-in-finland-a-population-based-study
#4
Essi Salama, Solja Niemelä, Jaana Suvisaari, Tiina Laatikainen, Päivikki Koponen, Anu E Castaneda
BACKGROUND: Substance use is a well-known public health problem, but population-based research on migrants' substance use in Europe is limited. Factors related to the cultural background and current life situation might influence substance use among migrants. Here, the prevalence of substance use in Russian, Somali and Kurdish migrants in Finland is reported in comparison with the general population, and the associations between substance use and socio-economic and migration-related background factors among migrants are analysed...
May 22, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29788329/pharmacokinetic-and-pharmacodynamic-properties-of-metronidazole-in-pediatric-patients-with-acute-appendicitis-a-prospective-study
#5
Jason Child, Xinhui Chen, Rakesh D Mistry, Stig Somme, Christine MacBrayne, Peter L Anderson, Ronald N Jones, Sarah K Parker
Background: Metronidazole is traditionally dosed every 6-8 hours even though in adults it has a long half-life, concentration-dependent killing, and 3-hour postantibiotic effect. Based on this logic, some pediatric hospitals adopted once-daily dosing for appendicitis, despite limited pharmacokinetics-pharmacodynamics (PK/PD) in children. We studied pediatric patients with appendicitis given metronidazole once daily to determine whether this dosing would meet target area under the curve (AUC)/minimum inhibitory concentration (MIC) ratio of ≥70 for Bacteroides fragilis...
May 16, 2018: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/29786965/l-and-d-threo-ethylphenidate-concentrations-pharmacokinetics-and-pharmacodynamics-in-horses
#6
Heather K Knych, Dan S McKemie, Kelsey Seminoff, Petra Hartmann, Lynn Hovda, Dionne Benson
Ethylphenidate is a psychostimulant and analogue of the commonly prescribed compound, methylphenidate (Ritalin®). There are a limited number of studies describing the disposition and pharmacologic/toxicological effects of ethylphenidate in any species. The abuse potential in equine athletes along with the limited data available regarding administration in horses necessitates further study. The objectives of the current study were to describe drug concentrations, develop an analytical method that could be used to regulate its use and describe the pharmacodynamic effects of ethylphenidate in horses...
May 22, 2018: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29785508/lacosamide-a-review-in-focal-onset-seizures-in-patients-with-epilepsy
#7
Sheridan M Hoy
Lacosamide (Vimpat® ) is a functionalized amino acid (available orally and intravenously) approved in the EU and the USA for use as monotherapy and adjunctive therapy for the treatment of focal-onset seizures in adults, adolescents and children aged ≥ 4 years with epilepsy. In adults and adolescents (aged ≥ 16 years), oral lacosamide as adjunctive therapy to other antiepileptic drugs was generally effective in reducing seizure frequency during short-term (up to 18 weeks) treatment, with efficacy sustained over the longer-term (up to 8 years)...
May 21, 2018: CNS Drugs
https://www.readbyqxmd.com/read/29784078/corticoadrenal-and-cardiorespiratory-responses-to-administration-of-propofol-combined-with-dexmedetomidine-or-ketamine-in-rabbits
#8
Alfredo González-Gil, Rosa Ana Picazo, Paul de Bruyn, Juan Carlos Illera
Anesthetic protocols may influence adrenal function. Effective methods for modulating stress are desirable to minimize secondary effects during the perioperative period. The aim of this study was to evaluate the effects of the administration of propofol with dexmedetomidine or ketamine on corticoadrenal function and heart and respiratory rates. A random treatment-order design was used: each rabbit received all treatments, with at least 14 d between experiments. Rabbits were assigned to 3 treatment groups (10 per group): group 1, 1 mL normal saline solution intravenously; group 2, propofol (3 mg/kg IV) and dexmedetomidine (0...
May 1, 2018: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/29783937/enterococcus-gallinarum-meningitis-a-case-report-and-literature-review
#9
Bo Zhao, Mao Sheng Ye, Rui Zheng
BACKGROUND: As an opportunistic pathogen, E. gallinarum mainly leads to nosocomial infections, and it's multi-drug resistance has gained more and more attention. Central nervous system infections caused by E. gallinarum are rare, but have been reported more often in recent years. The previous cases were generally secondary to neurosurgery, especially ventriculoperitoneal shunts. In recent years, the cases largely occurred in patients with impaired immune function. The patient in our report may have had dual risk factors (immune impairment and an invasive surgical procedure)...
May 21, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29783089/self-stabilized-silk-sericin-based-nanoparticles-in-vivo-biocompatibility-and-reduced-doxorubicin-induced-toxicity
#10
Doudou Hu, Ting Li, Zongpu Xu, Di Liu, Mingying Yang, Liangjun Zhu
A variety of colloid stabilizers and cryoprotectants confer improved nanoparticle (NP) colloidal stability and redisperability. However, the discounted tumor targetability, delivery efficacy and possible side effects limit the application in the vascular delivery of NPs. Here we present the water-soluble silk sericin (SS) not only as a material for the preparation of NPs, but also both a dispersion stabilizer and a cryoprotectant. In the absence of any stabilizers, SS-based NPs (SSC@NPs) could resist to the serum protein adsorption, preventing the formation of particle agglomerates...
May 18, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29782406/population-pharmacokinetics-and-pharmacodynamics-of-dexmedetomidine-in-children-undergoing-ambulatory-surgery
#11
María-Gabriela Pérez-Guillé, Alejandra Toledo-López, Liliana Rivera-Espinosa, Radames Alemon-Medina, Chiharu Murata, Ismael Lares-Asseff, Juan Luis Chávez-Pacheco, Josefina Gómez-Garduño, Ana-Lilia Zamora Gutiérrez, Claudia Orozco-Galicia, Karina Ramírez-Morales, Gustavo Lugo-Goytia
BACKGROUND: Dexmedetomidine (DEX) is an α-2 adrenergic agonist with sedative and analgesic properties. Although not approved for pediatric use by the Food and Drug Administration, DEX is increasingly used in pediatric anesthesia and critical care. However, very limited information is available regarding the pharmacokinetics of DEX in children. The aim of this study was to investigate DEX pharmacokinetics and pharmacodynamics (PK-PD) in Mexican children 2-18 years of age who were undergoing outpatient surgical procedures...
May 17, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29781756/development-and-in-vivo-evaluation-of-chitosan-nanoparticles-for-the-oral-delivery-of-albumin
#12
Dalia Nashaat, Mahmoud Elsabahy, Tahra El-Sherif, Mostafa A Hamad, Gamal A El-Gindy, Ehsan H Ibrahim
Albumin is used as a plasma expander in critically ill patients and for several other clinical applications mainly via intravenous infusion. Oral administration of albumin can improve patient compliance although limited oral bioavailability of proteins is still a major challenge. Although nanomaterials have been extensively utilized for improving oral delivery of proteins, albumin has been utilized only as either a model drug or as a carrier for drug delivery. In the current study, for the first time, chitosan nanoparticles have been developed and extensively optimized to improve oral bioavailability of albumin as a therapeutic protein...
May 21, 2018: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/29780850/canada-wide-epidemic-of-emm74-group-a-streptococcus-invasive-disease
#13
Sarah Teatero, Allison McGeer, Gregory J Tyrrell, Linda Hoang, Hanan Smadi, Marc-Christian Domingo, Paul N Levett, Michael Finkelstein, Ken Dewar, Agron Plevneshi, Taryn B T Athey, Jonathan B Gubbay, Michael R Mulvey, Irene Martin, Walter Demczuk, Nahuel Fittipaldi
Background: The number of invasive group A Streptococcus (iGAS) infections due to hitherto extremely rare type emm74 strains has increased in several Canadian provinces since late 2015. We hypothesized that the cases recorded in the different provinces are linked and caused by strains of an emm74 clone that recently emerged and expanded explosively. Methods: We analyzed both active and passive surveillance data for iGAS infections and used whole-genome sequencing to investigate the phylogenetic relationships of the emm74 strains responsible for these invasive infections country-wide...
May 2018: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29780423/acute-suppurative-thyroiditis-in-an-intravenous-drug-user-with-a-preexisting-goiter
#14
Nikhil Yegya-Raman, Tabitha Copeland, Payal Parikh
Acute suppurative thyroiditis (AST) is an uncommon, potentially life-threatening cause of a rapidly enlarging neck mass. It may present similarly to subacute thyroiditis, a relatively benign and self-limiting condition. We report a case of AST in an adult intravenous (IV) drug user with a preexisting goiter who presented with a left forearm abscess that grew methicillin-sensitive Staphylococcus aureus . In this particular case, clinical suspicion for AST was high. As a result, early IV antibiotic therapy was initiated, and this led to rapid clinical improvement furthermore preventing airway compromise...
2018: Case Reports in Medicine
https://www.readbyqxmd.com/read/29780064/systemic-lupus-erythematosus-and-sj%C3%A3-gren-s-syndrome-complicated-by-conversion-disorder-a-case-report
#15
Misa Nakamura, Seiji Tanaka, Tadashi Inoue, Yasuto Maeda, Kiyohito Okumiya, Takuya Esaki, G O Shimomura, Kenji Masunaga, Shinichiro Nagamitsu, Yushiro Yamashita
Conversion disorder (CD) is sometimes accompanied by motor and sensory impairments, such as muscle weakness, paralysis, sensory hypersensitivity, and sensory loss. Sjögren's syndrome (SS) complicates 5-10% of cases of systemic lupus erythematosus (SLE). Patients with SS or SLE present with various neurological symptoms and psychiatric manifestations. When neurological symptoms are present, it is important to distinguish whether the symptoms are caused by a neurological or a mental disorder because the former requires early intensive intervention, such as methylprednisolone pulse therapy (MPT), whereas psychotherapy or antidepressant drugs are recommended for mental disorders...
May 21, 2018: Kurume Medical Journal
https://www.readbyqxmd.com/read/29779722/the-impact-of-using-an-intravenous-workflow-management-system-ivwms-on-cost-and-patient-safety
#16
Alex C Lin, Yihong Deng, Hilal Thaibah, John Hingl, Jonathan Penm, Marianne F Ivey, Mark Thomas
PURPOSE: The aim of this study was to determine the financial costs associated with wasted and missing doses before and after the implementation of an intravenous workflow management system (IVWMS) and to quantify the number and the rate of detected intravenous (IV) preparation errors. METHOD: A retrospective analysis of the sample hospital information system database was conducted using three months of data before and after the implementation of an IVWMS System (DoseEdge® ) which uses barcode scanning and photographic technologies to track and verify each step of the preparation process...
July 2018: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/29778525/mucus-penetrating-nanoparticles-promising-drug-delivery-systems-for-the-photodynamic-therapy-of-intestinal-cancer
#17
Juliane Anderski, Laura Mahlert, Dennis Mulac, Klaus Langer
Photodynamic therapy (PDT) is an auspicious therapy approach for the treatment of cancer. Despite its numerous benefits, the drug delivery of the used photosensitizer (PS) to target locations inside the human body remains a main therapy challenge, since the standard intravenous PS injection often causes systemic side-effects. To circumvent this therapy drawback, the oral application represents a promising administration alternative. Especially for the treatment of intestinal cancer it offers the possibility of a local treatment with a reduced likelihood for adverse drug reactions...
May 17, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29778036/polymeric-nanoparticles-as-a-platform-for-permeability-enhancement-of-class-iii-drug-amikacin
#18
Saman Fatima, Zeenat Iqbal, A K Panda, M Samim, Sushama Talegaonkar, Farhan Jalees Ahmad
Amikacin (A), a water soluble aminoglycoside antibiotic is commercially available for intravenous administration only. Present investigation is aimed at the development of poly-lactic-co-glycolic acid (PLGA) nanoparticles (A-NPs).1 for oral permeability enhancement of amikacin. The pharmaceutical attributes of the A-NPs revealed particle size, 260.3 ± 2.05 nm, zeta potential, -12.9 ± 1.12 mV and drug content, 40.10 ± 1.87 μg/mg with spherical shape and smooth surface. In vitro antibacterial studies showed that the A-NPs were active against P...
May 16, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29776683/septic-arthritis-of-the-sternoclavicular-joint-a-unique-late-complication-after-tracheostomy
#19
Kayvon F Sharif, Fred M Baik, Ameya A Jategaonkar, Azita S Khorsandi, Mark L Urken
BACKGROUND: Septic arthritis of the sternoclavicular joint is a rare infection associated with significant morbidity and mortality. Several risk factors for septic arthritis have been reported in the literature ranging from immunodeficiency to intravenous drug use. CASE PRESENTATION: A 63-year-old male previously treated for synchronous squamous cell carcinomas of the epiglottis and floor of mouth presented with tenderness and swelling of the sternoclavicular joint two months after tracheostomy decannulation...
May 15, 2018: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29774074/placenta-specific-drug-delivery-by-trophoblast-targeted-nanoparticles-in-mice
#20
Baozhen Zhang, Lunbo Tan, Yan Yu, Baobei Wang, Zhilong Chen, Jinyu Han, Mengxia Li, Jie Chen, Tianxia Xiao, Balamurali K Ambati, Lintao Cai, Qing Yang, Nihar R Nayak, Jian Zhang, Xiujun Fan
Rationale: The availability of therapeutics to treat pregnancy complications is severely lacking, mainly due to the risk of harm to the fetus. In placental malaria, Plasmodium falciparum- infected erythrocytes (IEs) accumulate in the placenta by adhering to chondroitin sulfate A (CSA) on the surfaces of trophoblasts. Based on this principle, we have developed a method for targeted delivery of payloads to the placenta using a synthetic placental CSA-binding peptide (plCSA-BP) derived from VAR2CSA, a CSA-binding protein expressed on IEs...
2018: Theranostics
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