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https://www.readbyqxmd.com/read/28320139/10-year-outcomes-after-rituximab-for-myasthenia-gravis-efficacy-safety-costs-of-inhospital-care-and-impact-on-childbearing-potential
#1
Karl Stieglbauer, Robert Pichler, Raffi Topakian
Rituximab (RTX) has emerged as an attractive off-label treatment option for patients with myasthenia gravis (MG) refractory to other immune therapies. However, data on long-term outcome after RTX for MG are still scarce. Here we present the 10-year outcomes [median (range) 10.1 (6.7-11.2) years] with respect to efficacy, safety, costs of inhospital care, and impact on childbearing potential in all four MG patients treated by one of the authors with RTX. In all patients, RTX led to sustained clinical improvement and eventual tapering of other immune therapies...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28320043/effects-of-ranolazine-in-a-model-of-doxorubicin-induced-left-ventricle-diastolic-dysfunction
#2
Donato Cappetta, Grazia Esposito, Raffaele Coppini, Elena Piegari, Rosa Russo, Loreta Pia Ciuffreda, Alessia Rivellino, Lorenzo Santini, Concetta Rafaniello, Cristina Scavone, Francesco Rossi, Liberato Berrino, Konrad Urbanek, Antonella De Angelis
BACKGROUND AND PURPOSE: Doxorubicin (DOXO) is a highly effective anticancer drug but its clinical application is impeded by cardiotoxicity. Asymptomatic diastolic dysfunction can be the earliest manifestation of DOXO cardiotoxicity. Therefore, a search for therapeutic intervention that can interfere with early manifestations and possibly prevent late cardiotoxicity is warranted. Increased DOXO-dependent reactive oxygen species may explain, in part, Ca(2+) and Na(+) overload that contributes to diastolic dysfunction and development of heart failure...
March 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28320041/prevention-of-iron-overload-and-long-term-maintenance-of-normal-iron-stores-in-thalassaemia-major-patients-using-deferiprone-or-deferiprone-deferoxamine-combination
#3
Annita Kolnagou, Christina N Kontoghiorghe, George J Kontoghiorghes
Decrease in mortality and morbidity is observed in thalassaemia major patients with reduced iron load in comparison to heavy iron loaded patients. Effective and complete treatment of transfusional iron overload can be achieved by chelation protocols that can eliminate excess iron and maintain normal iron stores (NIS). The maintenance of NIS, i. e., serum ferritin (350 μg/L >), MRI T2* cardiac (>20 ms) and liver (>6.3 ms) relaxation time levels was monitored in 16 thalassaemia major patients (32-53 years, 12 splenectomized, 10 male, erythrocyte transfusions 120-323 ml/kg/year) for about 90 patient years...
March 20, 2017: Drug Research
https://www.readbyqxmd.com/read/28320040/mitochondria-as-a-target-for-the-cardioprotective-effects-of-cydonia-oblonga-mill-and-ficus-carica-l-in-doxorubicin-induced-cardiotoxicity
#4
Saman Gholami, Mir-Jamal Hosseini, Leila Jafari, Fatemeh Omidvar, Mohammad Kamalinejad, Vida Mashayekhi, Seyed Hojjat Hosseini, Azin Kardan, Jalal Pourahmad, Mohammad Reza Eskandari
Quince (Cydonia oblonga Mill.) and fig (Ficus carica L.) exhibit a broad spectrum of pharmacological activities. Regarding the cardiotoxic effect of doxorubicin (DOX) is mediated mainly through mitochondrial oxidative stress and dysfunction; the present study evaluated the cardioprotective effects of the aqueous extracts of Cydonia oblonga Mill. fruit (ACO) and Ficus carica L. fruit (AFC) against DOX-induced cardiotoxicity. Cardiomyocytes toxicity was induced in male Sprague Dawley rats by intraperitoneal (ip) injections of 2...
March 20, 2017: Drug Research
https://www.readbyqxmd.com/read/28320031/can-the-induction-of-labor-with-misoprostol-increase-maternal-blood-loss
#5
Paulo César Praciano Souza, Karla Santana Azevedo Damasceno, Edward Araujo Júnior, Carlos Augusto Alencar Júnior, Francisco Edson de Lucena Feitosa
Purpose To evaluate blood loss during misoprostol-induced vaginal births and during cesarean sections after attempted misoprostol induction. Methods We conducted a prospective observational study in 101 pregnant women indicated for labor induction; pre- and postpartum hemoglobin levels were measured to estimate blood loss during delivery. Labor was induced by administering 25 µg vaginal misoprostol every 6 hours (with a maximum of 6 doses). The control group included 30 patients who spontaneously entered labor, and 30 patients who underwent elective cesarean section...
February 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28319997/intradiscal-glucocorticoid-injection-for-patients-with-chronic-low-back-pain-associated-with-active-discopathy-a-randomized-trial
#6
Christelle Nguyen, Isabelle Boutron, Gabriel Baron, Katherine Sanchez, Clémence Palazzo, Raphaël Benchimol, Guillaume Paris, Étienne James-Belin, Marie-Martine Lefèvre-Colau, Johann Beaudreuil, Jean-Denis Laredo, Anne Béra-Louville, Anne Cotten, Jean-Luc Drapé, Antoine Feydy, Philippe Ravaud, François Rannou, Serge Poiraudeau
Background: Active discopathy is associated with a specific phenotype of chronic low back pain (LBP). Local inflammation has a role in active discopathy-associated symptoms. Objective: To assess the efficacy of a single glucocorticoid intradiscal injection (GC IDI) in patients with chronic LBP with active discopathy. Design: Prospective, parallel-group, double-blind, randomized, controlled study. (ClinicalTrials.gov: NCT00804531). Setting: 3 tertiary care centers in France...
March 21, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28319943/femoral-neck-x-ray-absorptiometry-parameters-and-peripheral-quantitative-computer-tomography-tibial-cortical-density-predict-survival-in-dialysis-patients
#7
Natalie Yap, Phillip Wong, Stella McGinn, Maria-Liza Nery, Jean Doyle, Lynda Wells, Phillip Clifton-Bligh, Roderick J Clifton-Bligh
BACKGROUND: Low bone mineral density (BMD) is a known independent predictor of mortality in the general elderly population. However, studies in patients with end-stage renal disease (ESRD) are limited. The present study evaluated mortality during long-term follow-up in a population of patients having dialysis for ESRD, in whom BMD was also measured. METHODS: Fifty-eight patients with ESRD were recruited consecutively from a dialysis clinic and followed prospectively for 6 years...
March 21, 2017: Nephron
https://www.readbyqxmd.com/read/28319884/sodium-chlorate-induces-dna-damage-and-dna-protein-cross-linking-in-rat-intestine-a-dose-dependent-study
#8
Shaikh Nisar Ali, Fariheen Aisha Ansari, Hussain Arif, Riaz Mahmood
Sodium chlorate (NaClO3) is widely used in paper and pulp industries and as a non-selective herbicide. It is also a major by-product generated upon disinfection of drinking water by chlorine dioxide. In this study, we have investigated the genotoxicity of NaClO3 on the small intestine of rats. Adult male rats were divided into 5 groups: one control and four NaClO3 treated groups. The NaClO3 treated groups were given a single acute oral dose of NaClO3 (100, 250, 500 and 750 mg/kg body weight) and sacrificed 24 h later...
March 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28319872/intrathecal-baclofen-bolus-reduces-exaggerated-extensor-coactivation-during-pre-swing-and-early-swing-of-gait-after-acquired-brain-injury
#9
John W Chow, Stuart A Yablon, Dobrivoje S Stokic
OBJECTIVE: To characterize the concurrent activation of rectus femoris (RF) and medial gastrocnemius (MG) muscles (extensor coactivation) during gait in subjects with pronounced resting hypertonia after acquired brain injury (ABI) and examine changes after intrathecal baclofen (ITB) bolus injection. METHODS: Magnitude and duration of extensor coactivation during different phases of gait were assessed by recording gait kinematics and activity in bilateral RF and MG muscles in 18 controls and 18 ABI subjects before and at 2, 4, and 6h after a 50-μg ITB injection...
March 2, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28319807/targeting-nf-kappa-b-signaling-by-artesunate-restores-sensitivity-of-castrate-resistant-prostate-cancer-cells-to-antiandrogens
#10
Jessica J Nunes, Swaroop K Pandey, Anjali Yadav, Sakshi Goel, Bushra Ateeq
Androgen deprivation therapy (ADT) is the most preferred treatment for men with metastatic prostate cancer (PCa). However, the disease eventually progresses and develops resistance to ADT in majority of the patients, leading to the emergence of metastatic castration-resistant prostate cancer (mCRPC). Here, we assessed artesunate (AS), an artemisinin derivative, for its anticancer properties and ability to alleviate resistance to androgen receptor (AR) antagonists. We have shown AS in combination with bicalutamide (Bic) attenuates the oncogenic properties of the castrate-resistant (PC3, 22RV1) and androgen-responsive (LNCaP) PCa cells...
March 16, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28319745/characteristics-and-proteomic-analysis-of-pyrene-degradation-by-brevibacillus-brevis-in-liquid-medium
#11
Kun Wei, Hua Yin, Hui Peng, Zehua Liu, Guining Lu, Zhi Dang
Polycyclic aromatic hydrocarbons (PAHs) are widely spread in various ecosystems and are of great concern due to their potential toxicity, mutagenicity and carcinogenicity. Bioremediation has been proposed as an effective approach to remove PAHs. In this study, the physiological responses and proteome of Brevibacillus brevis under exposure to pyrene, a four-ring compound from PAHs family, were investigated. The changes of cell viability of B. brevis were observed during the degradation of pyrene by means of flow cytometry...
March 14, 2017: Chemosphere
https://www.readbyqxmd.com/read/28319739/mechanism-and-kinetics-of-halogenated-compound-removal-by-metallic-iron-transport-in-solution-diffusion-and-reduction-within-corrosion-films
#12
Shun Tang, Xiao-Mao Wang, Shi-Ting Liu, Hong-Wei Yang, Yuefeng F Xie, Xiao-Yi Yang
A detailed kinetic model comprised of mass transport (ktra), pore diffusion (kdif), adsorption and reduction reaction (krea), was developed to quantitatively evaluate the effect of corrosion films on the removal rate (kobs) of halogenated compounds by metallic iron. Different corrosion conditions were controlled by adjusting the iron aging time (0 or 1 yr) and dissolved oxygen concentration (0-7.09 mg/L DO). The kobs values for bromate, mono-, di- and tri-chloroacetic acids (BrO3(-), MCAA, DCAA and TCAA) were 0...
March 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28319738/mobility-and-phytoavailability-of-as-and-pb-in-a-contaminated-soil-using-pine-sawdust-biochar-under-systematic-change-of-redox-conditions
#13
Jingzi Beiyuan, Yasser M Awad, Felix Beckers, Daniel C W Tsang, Yong Sik Ok, Jörg Rinklebe
Biochar has been adopted to control the mobility and phytoavailability of trace elements (TEs) in soils. To date, no attempt has been made to determine the mobility and phytoavailability of arsenic (As) and lead (Pb) in a contaminated soil with biochars as amendments under predefined redox potentials (EH). Thus, in this study, a soil contaminated with As and Pb (2047 and 1677 mg kg(-1), respectively) was pre-incubated for 105 days with three amendments (pine sawdust biomass (BM) and two biochars produced from the same feedstock at 300 °C (BC300) and 550 °C (BC550))...
March 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28319589/exercise-improves-v-combining-dot-above-o-2max-and-body-composition-in-adt-treated-prostate-cancer-patients
#14
Bradley A Wall, Daniel A Galvão, Naeem Fatehee, Dennis R Taaffe, Nigel Spry, David Joseph, Jeffrey J Hebert, Robert U Newton
INTRODUCTION: Prostate cancer is the most common cancer in men and patients treated with androgen deprivation therapy (ADT) experience unfavourbale changes in body composition and associated metabolic complications, which can increase the risk of cardiovascular disease. We examined the effect of a 6-month program of aerobic and resistance exercise aimed at improving body composition and cardiorespiratory health in this population. METHODS: Ninety-seven men (43-90 years) with localized prostate cancer receiving ADT were randomized to either exercise (EX, n=50) or usual care (CON, n=47)...
March 18, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28319565/bone-marrow-graft-versus-host-disease-in-major-histocompatibility-complex-matched-murine-reduced-intensity-allogeneic-hemopoietic-cell-transplantation
#15
Kifah Shahin, Zamil Mattar, Pablo Silveira, Wei-Hsun Hsu, Linda Bendall, Derek Hart, Kenneth F Bradstock
BACKGROUND: Most clinical allogeneic hemopoietic cell transplants (alloHCT) are now performed using reduced intensity conditioning (RIC) instead of myeloablative (MAC) conditioning, however, the biology underlying this treatment remains incompletely understood. METHODS: We investigated a murine model of major histocompatibility complex (MHC)-matched multiple minor histocompatibility antigen mismatched alloHCT, using bone marrow (BM) cells and splenocytes from B6 (H-2) donor mice transplanted into BALB...
March 18, 2017: Transplantation
https://www.readbyqxmd.com/read/28319550/continuous-transversus-abdominis-plane-nerve-blocks-does-varying-local-anesthetic-delivery-method-automatic-repeated-bolus-versus-continuous-basal-infusion-influence-the-extent-of-sensation-to-cold-a-randomized-triple-masked-crossover-study-in-volunteers
#16
Bahareh Khatibi, Engy T Said, Jacklynn F Sztain, Amanda M Monahan, Rodney A Gabriel, Timothy J Furnish, Johnathan T Tran, Michael C Donohue, Brian M Ilfeld
BACKGROUND: It remains unknown whether continuous or scheduled intermittent bolus local anesthetic administration is preferable for transversus abdominis plane (TAP) catheters. We therefore tested the hypothesis that when using TAP catheters, providing local anesthetic in repeated bolus doses increases the cephalad-caudad cutaneous effects compared with a basal-only infusion. METHODS: Bilateral TAP catheters (posterior approach) were inserted in 24 healthy volunteers followed by ropivacaine 2 mg/mL administration for a total of 6 hours...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28319548/tanshinone-iia-attenuates-sevoflurane-neurotoxicity-in-neonatal-mice
#17
Yimeng Xia, Heng Xu, Chenfei Jia, Xiaodong Hu, Yu Kang, Xiaoxuan Yang, Qingsheng Xue, Guorong Tao, Buwei Yu
BACKGROUND: Sevoflurane is the most widely used inhalational anesthetic in pediatric medicine. Despite this, sevoflurane has been reported to exert potentially neurotoxic effects on the developing brain. Clinical interventions and treatments for these effects are limited. Tanshinone IIA (Tan IIA), extracted from Salvia miltiorrhiza (Danshen), has been documented to alleviate cognitive decline in traditional applications. Therefore, we hypothesized that preadministration of Tan IIA may attenuate sevoflurane-induced neurotoxicity, suggesting that Tan IIA is a new and promising drug capable of counteracting the effects of cognitive dysfunction produced by general anesthetics...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28319533/-perfscore-a-multidimensional-score-a-simple-way-to-predict-the-success-of-cardiac-rehabilitation
#18
Patrizia Maras, Sara Doimo, Alessando Altinier, Alessio Della Mattia, Luigia Scudeller, Gianfranco Sinagra, Catherine Klersy
BACKGROUND: We propose a simple and reliable score, performance score ('PERFSCORE'), that allows cardiologists to assess the achievement of therapeutic goals. METHODS: We identified six indicators of cardiac rehabilitation performance: heart rate (HR) less than 70 beats/min; blood pressure (BP) less than 140/90 mmHg; smoking cessation or non-smokers; left ventricular ejection fraction (LVEF) more than 40%; LDLc less than 100 mg/dl or more than 70 mg/dl if diabetic; and on treatment at least with three drugs among angiotensin converting enzyme (ACE) inhibitors or angiotensin receptor blocker (ARBs), β-blockers, statins, and ASA...
March 17, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28319527/hydrocodone-but-neither-morphine-nor-oxycodone-is-effective-in-suppressing-burn-induced-mechanical-allodynia-in-the-uninjured-foot-contralateral-to-the-burn
#19
Michael A Emery, M L Shawn Bates, Paul J Wellman, Shoshana Eitan
Opioids are commonly used to treat severe, burn-induced pain. However, there is a lack of rodent studies that examine the differential effects of various opioids on burn pain. The authors recently demonstrated that hydrocodone was superior to other opioids in suppressing the development of burn-induced mechanical allodynia in the burned limb. This study monitored the development of mechanical allodynia and compared the abilities of morphine, oxycodone, and hydrocodone to reduce burn-induced mechanical allodynia in the limb contralateral to the burn...
March 13, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28319521/warfarin-and-aspirin-versus-warfarin-alone-for-prevention-of-embolic-events-in-patients-with-a-heartmate-ii%C3%A2-left-ventricular-assist-device
#20
Joseph S Van Tuyl, Ian B Hollis, Khalid A Alburikan, Richard Tran, Brian P Murray, Jo E Rodgers, Jason N Katz, Brett C Sheridan
Acquired von Willebrand disease increases bleeding risk in patients implanted with a continuous-flow left ventricular assist device. Lower aspirin doses decrease the risk of bleeding without an increased risk of embolic events. No published studies in the U.S. have compared the incidence of bleeding and thrombotic events between antithrombotic regimens with and without aspirin. A single-center, retrospective analysis was conducted of adult patients implanted with a HM II. Patients received warfarin and aspirin 81 mg daily or warfarin alone...
March 17, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
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