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https://www.readbyqxmd.com/read/29778036/polymeric-nanoparticles-as-a-platform-for-permeability-enhancement-of-class-iii-drug-amikacin
#1
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/29777877/multi-walled-carbon-nanotubeinduced-inhalation-toxicity-recognizing-nano-bis-demethoxy-curcumin-analog-as-an-ameliorating-candidate
#2
Arul Prakash Francis, Thiyagarajan Devasena, Selvam Ganapathy, Venkata Rajsekhar Palla, Prakhya Balakrishna Murthy, Sundara Ramaprabhu
Human beings and ecosystems are being possibly exposed to CNTs, as there is a rise in global production rate of carbon nanotubes (CNTs). This may affect the health of humans and increases the environmental risk. We have already reported the pulmonary toxicity due to the inhalation of MWCNTs. We claim that a compound with anti-inflammatory and antioxidant activity may ameliorate the CNT-induced toxic effect. With this view, we have investigated the ameliorative effect of intravenously-administered nano bis-demethoxy curcumin analog (NBDMCA) against MWCNTs-induced inhalation toxicity by examining the lung histopathology for inflammatory cell dynamics, pulmonary remodeling and estimating the inflammatory biomarkers in the broncho-alveolar lavage fluid...
May 16, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29777823/updated-efficacy-analysis-including-secondary-population-results-for-oak-a-randomized-phase-iii-study-of-atezolizumab-vs-docetaxel-in-patients-with-previously-treated-advanced-non-small-cell-lung-cancer
#3
L Fehrenbacher, J von Pawel, K Park, A Rittmeyer, D R Gandara, S Ponce Aix, J-Y Han, S M Gadgeel, T Hida, D L Cortinovis, M Cobo, D M Kowalski, F De Marinis, M Gandhi, B Danner, C Matheny, M Kowanetz, P He, F Felizzi, H Patel, A Sandler, M Ballinger, F Barlesi
INTRODUCTION: The efficacy and safety of atezolizumab vs docetaxel as second- or third-line treatment in patients with advanced non-small cell lung cancer in the primary (n=850; ITT850) and secondary (n=1225; ITT1225) efficacy populations of the randomized phase III OAK study at an updated data cutoff were assessed. METHODS: Patients received atezolizumab 1200mg or docetaxel 75mg/m2 intravenously every 3 weeks until loss of clinical benefit or disease progression, respectively...
May 16, 2018: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/29777760/peripheral-intravenous-volume-assessment-piva-for-quantitating-volume-overload-in-patients-hospitalized-with-acute-decompensated-heart-failure-a-pilot-study
#4
Merrick Miles, Bret D Alvis, Kyle Hocking, Franz Baudenbacher, Christy Guth, JoAann Lindenfeld, Colleen Brophy, Susan Eagle
BACKGROUND: To determine the feasibility of Peripheral Intravenous Volume Assessment (PIVA) of venous waveforms for assessing volume overload in patients admitted to the hospital with acute decompensated heart failure (ADHF). METHODS: Venous waveforms were captured from a peripheral intravenous catheter in subjects admitted for ADHF and healthy age-matched controls. Admission PIVA signal, brain natriuretic peptide, and chest radiographic measurements were related to the net volume removed during diuresis...
May 16, 2018: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/29777754/hmgb1-neutralization-attenuates-hippocampal-neuronal-death-and-cognitive-impairment-in-rats-with-chronic-cerebral-hypoperfusion-via-suppressing-inflammatory-responses-and-oxidative-stress
#5
Yue Hei, Rong Chen, Xicai Yi, Qianfa Long, Dakuan Gao, Weiping Liu
High mobility group box-1 (HMGB1) acts as a proinflammatory molecule once released into the extracellular space and inhibition of HMGB1 signaling has been reported be neuroprotective in neurodegenerative diseases. Besides, chronic cerebral hypoperfusion (CCH) causes cognitive impairment in neurodegenerative diseases. Here we tested the protective role of HMGB1 inhibition using anti-HMGB1 neutralizing antibody (Ab) against CCH in rats after bilateral common carotid artery occlusion (2VO). 169 male Sprague-Dawley rats underwent 2VO or sham operation...
May 16, 2018: Neuroscience
https://www.readbyqxmd.com/read/29777669/repair-of-thoracic-and-thoracoabdominal-mycotic-aneurysms-and-infected-aortic-grafts-using-allograft
#6
Joel S Corvera, David Blitzer, Hannah Copeland, Daniel Murphy, Philip J Hess, Saila T Pillai, John W Fehrenbacher
BACKGROUND: Mycotic aneurysm of the thoracic or thoracoabdominal aorta and infection of thoracic or thoracoabdominal aortic grafts are challenging problems with high mortality. In-situ reconstruction with cryopreserved allograft(CPA) avoids placement of prosthetic material in an infected field and avoids suppressive antibiotics or autologous tissue coverage. METHODS: Fifty consecutive patients with infection of a thoracic or thoracoabdominal aortic graft or mycotic aneurysm underwent resection and replacement with CPA from 2006 to 2016...
May 16, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29777581/in-vivo-performance-of-a-visible-wavelength-optical-sensor-for-monitoring-intestinal-perfusion-and-oxygenation
#7
Mitchell B Robinson, Anna M Wisniowiecki, Ryan J Butcher, Mark A Wilson, M Nance Ericson, Gerard L Cote
Traumatic injury resulting in hemorrhage is a prevalent cause of death worldwide. The current standard of care for trauma patients is to restore hemostasis by controlling bleeding and administering intravenous volume resuscitation. Adequate resuscitation to restore tissue blood flow and oxygenation is critical within the first hours following admission to assess severity and avoid complications. However, current clinical methods for guiding resuscitation are not sensitive or specific enough to adequately understand the patient condition...
May 2018: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29777523/application-of-cu-64-nodaga-psma-pet-in-prostate-cancer
#8
Sabina Sevcenco, Hans Christoph Klingler, Klaus Eredics, Alexander Friedl, Jenifer Schneeweiss, Peter Knoll, Thomas Kunit, Lukas Lusuardi, Siroos Mirzaei
INTRODUCTION: The high diagnostic potential of 64 Cu-PSMA PET-CT imaging was clinically investigated in prostate cancer patients with recurrent disease and in the primary staging of selected patients with advanced local disease. The aim of our study is to assess the uptake behavior in the clinical setting of 64Copper Prostate-Specific Membrane Antigen (64 Cu PSMA) Positron Emission Tomography/Computed Tomography (PET/CT) in prostate cancer. METHODS: A retrospective study was performed in 23 patients with intermediate, high risk and progressive disease at primary staging of prostate cancer...
May 17, 2018: Advances in Therapy
https://www.readbyqxmd.com/read/29777518/total-pancreatic-necrosis-after-organophosphate-intoxication
#9
Rui Hou, Hongmin Zhang, Huan Chen, Yuankai Zhou, Yun Long, Dawei Liu
Cases of acute pancreatitis induced by organophosphate intoxication are encountered occasionally in clinics, but very few of them develop into severe pancreas necrosis and irreversible pancreatic function impairment. Here, we report a 47-year-old female organophosphate poisoning case after ingestion of massive insecticides; she was considered to have total necrosis and function failure of the pancreas via serum amylase test, glucose level test, and CT imaging. The patient exhibited no relief under the regular medicine treatment, which included sandostatin, antibiotics, intravenous atropine, and pralidoxime methiodide...
May 18, 2018: Frontiers of Medicine
https://www.readbyqxmd.com/read/29777456/distal-bowel-re-feeding-in-patients-with-proximal-jejunostomy
#10
Anand Nagar, Siddharth Mehrotra, Amitabh Yadav, Vivek Mangla, Shailendra Lalwani, Naimish Mehta, Samiran Nundy
BACKGROUND: Patients who have a proximal jejunostomy are difficult to manage because of their high stoma output which results in fluid and electrolyte imbalance with repeated hospital admissions and the necessity for expensive parenteral nutrition (PN). There are few reports on the use of re-feeding of the proximal effluents in this situation. METHODS: We here relate our experience with this manoeuvre in 35 patients between Jan 2010 and Feb 2016 who had stomas less than 120 cm away from the duodenojejunal flexure...
May 18, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29777395/therapeutic-approach-to-hypertension-urgencies-and-emergencies-in-the-emergency-room
#11
REVIEW
Alessandro Maloberti, Giulio Cassano, Nicolò Capsoni, Silvia Gheda, Gloria Magni, Giulia Maria Azin, Massimo Zacchino, Adriano Rossi, Carlo Campanella, Andrea Luigi Roberto Beretta, Andrea Bellone, Cristina Giannattasio
Hypertensive urgencies-emergencies are important and common events. They are defined as a severe elevation in BP, higher than 180/120 mmHg, associated or not with the evidence of new or worsening organ damage for emergencies and urgencies respectively. Anamnestic information, physical examination and instrumental evaluation determine the following management that could need oral (for urgencies) or intravenous (for emergencies) anti-hypertensives drugs. The choice of the specific drugs depend on the underlying causes of the crisis, patient's demographics, cardiovascular risk and comorbidities...
May 18, 2018: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/29777383/predictive-value-of-pct-and-il-6-for-bacterial-infection-in-children-with-cancer-and-febrile-neutropenia
#12
Hilde T van der Galiën, Erik A H Loeffen, Karin G E Miedema, Wim J E Tissing
PURPOSE: Only a third of children with cancer and febrile neutropenia (FN) have a proven bacterial infection; nevertheless, most children are hospitalized and treated with intravenous antibiotics. Several biomarkers have been proposed as predictive markers for bacterial infection in this population. We aimed to evaluate the role of interleukin-6 (IL-6) and procalcitonin (PCT) in diagnosing bacterial infection in children with cancer and FN. METHODS: The study population was derived from a prospective database (2006-2013, IL-8 study) comprising children with cancer who presented with FN...
May 19, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29777306/respiratory-manifestations-in-lps-responsive-beige-like-anchor-lrba-protein-deficient-patients
#13
Oded Shamriz, Bella Shadur, Adeeb NaserEddin, Irina Zaidman, Natalia Simanovsky, Orly Elpeleg, Eitan Kerem, Joel Reiter, Polina Stepensky
Lipopolysaccharide (LPS)-responsive beige-like anchor (LRBA) protein deficiency is a rare syndrome of primary immune deficiency and immune dysregulation. In this study, we sought to summarize our experience with respiratory manifestations in LRBA-deficient patients. We conducted a retrospective analysis of the medical records of LRBA-deficient patients treated at Hadassah-Hebrew University Medical Center, Jerusalem, Israel. Data retrieved included pulmonary workup, disease course, treatment, and outcome. Ten patients were included...
May 18, 2018: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29777282/ambulatory-intravenous-inotropic-support-and-or-levosimendan-in-pediatric-and-congenital-heart-failure-safety-survival-improvement-or-transplantation
#14
Sotiria C Apostolopoulou, George A Vagenakis, Alexandros Tsoutsinos, Felicia Kakava, Spyridon Rammos
End-stage heart failure (HF) frequently needs continuous inotropic support in hospital and has high morbidity and mortality in absence of heart transplantation. This study reports outcome, efficacy, and safety of continuous ambulatory inotropes (AI) and/or periodic levosimendan (LS) infusions in pediatric HF patients. The study included 27 patients, median age 9.4 (0.1-26.1) years, with severe HF (6 myocarditis, 13 dilated cardiomyopathy, 2 restrictive cardiomyopathy, 6 repaired congenital heart disease). Dobutamine and milrinone AI were administered in 21 patients through a permanent central catheter for median duration 1...
May 18, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29776940/successful-treatment-of-fulminant-neonatal-enteroviral-myocarditis-in-monochorionic-diamniotic-twins-with-cardiopulmonary-support-intravenous-immunoglobulin-and-pocapavir
#15
Shahnawaz M Amdani, Hannah S Kim, Anthony Orvedahl, Audrey Odom John, Ahmed Said, Kathleen Simpson
Neonatal cardiogenic shock most commonly occurs due to critical congenital heart disease, sepsis, metabolic disorder or arrhythmias. In particular, enterovirus infections are common in the neonatal period, and patients can present with fulminant myocarditis. Early recognition is imperative due to its high morbidity and mortality without prompt and aggressive treatment. We present the successful treatment of fulminant neonatal enteroviral myocarditis in a pair of monochorionic diamniotic twins with cardiopulmonary support, intravenous immunoglobulin and pocapavir, an enteroviral capsid inhibitor...
May 18, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29776835/the-combination-of-mannitol-and-temozolomide-increases-the-effectiveness-of-stem-cell-treatment-in-a-chronic-stroke-model
#16
Chunggab Choi, Hye Min Kim, Jeeheun Shon, Jiae Park, Hyeong-Taek Kim, Suk Ho Kang, Seung-Hun Oh, Nam Keun Kim, Ok Joon Kim
BACKGROUND: The blood-brain barrier (BBB) presents a significant challenge to the therapeutic efficacy of stem cells in chronic stroke. Various methods have been developed to increase BBB permeability, but these are associated with adverse effects and are, therefore, not clinically applicable. We recently identified that combination drug treatment of mannitol and temozolomide improved BBB permeability in vitro. Here, we investigated whether this combination could increase the effectiveness of stem cell treatment in an animal model of chronic ischemic stroke...
May 15, 2018: Cytotherapy
https://www.readbyqxmd.com/read/29776683/septic-arthritis-of-the-sternoclavicular-joint-a-unique-late-complication-after-tracheostomy
#17
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/29776398/primary-bacterial-ventriculitis-in-adults-an-emergent-diagnosis-challenge-report-of-a-meningoccal-case-and-review-of-the-literature
#18
Anaïs Lesourd, Nicolas Magne, Anaïs Soares, Caroline Lemaitre, Muhamed-Kheir Taha, Isabelle Gueit, Michel Wolff, François Caron
BACKGROUND: Defined by an infection of the ventricular system of the brain, ventriculitis is usually known as a health-care associated infection. In contrast, primary pyogenic ventriculitis complicating community-acquired meningitis is uncommon, and mainly described in infants. Only seven cases that have occured in adults have been found in the international literature. CASE PRESENTATION: We report here a new case due to Neisseria meningitidis occurring in an 85 year-old-man...
May 18, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29776385/generation-of-ventilation-perfusion-ratio-map-in-surgical-patients-by-dual-energy-ct-after-xenon-inhalation-and-intravenous-contrast-media
#19
Kohei Aoki, Yotaro Izumi, Wataru Watanabe, Yuji Shimizu, Hisato Osada, Norinari Honda, Toshihide Itoh, Mitsuo Nakayama
BACKGROUND: While many studies have evaluated the change in lung volume before and after lung resection and correlated this with pulmonary function test results, there is very little evidence on the changes in ventilation perfusion ratio (V/Q) before versus after lung resection. In the present pilot study, we evaluated if V/Q mapping can be constructed using dual energy CT images. METHODS: Thirty-one lung cancer patients planned for pulmonary resection were included in this study...
May 18, 2018: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29776373/metabolic-therapy-with-peg-arginase-induces-a-sustained-complete-remission-in-immunotherapy-resistant-melanoma
#20
Carmela De Santo, Paul Cheng, Andrew Beggs, Sharon Egan, Alberto Bessudo, Francis Mussai
BACKGROUND: Metastatic melanoma is an aggressive skin cancer with a poor prognosis. Current treatment strategies for high-stage melanoma are based around the use of immunotherapy with immune checkpoint inhibitors such as anti-PDL1 or anti-CTLA4 antibodies to stimulate anti-cancer T cell responses, yet a number of patients will relapse and die of disease. Here, we report the first sustained complete remission in a patient with metastatic melanoma who failed two immunotherapy strategies, by targeting tumour arginine metabolism...
May 18, 2018: Journal of Hematology & Oncology
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