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https://www.readbyqxmd.com/read/28497241/fighting-against-evolution-of-antibiotic-resistance-by-utilizing-evolvable-antimicrobial-drugs
#1
REVIEW
Mehmet Fatih Cansizoglu, Erdal Toprak
Antibiotic resistance is a worldwide public health problem (Bush et al. in Nat Rev Microbiol 9:894-896, 2011). The lack of effective therapies against resistant bacteria globally leads to prolonged treatments, increased mortality, and inflating health care costs (Oz et al. in Mol Biol Evol 31:2387-2401, 2014; Martinez in Science 321:365-367, 2008; Lipsitch et al. in Proc Natl Acad Sci USA 97:1938-1943, 2000; Taubes in Science 321:356-361, 2008; Laxminarayan et al. in Lancet, 2016; Laxminarayan et al. in Lancet Infect Dis 13:1057-1098, 2013)...
May 11, 2017: Current Genetics
https://www.readbyqxmd.com/read/28472253/is-antimicrobial-resistance-a-bigger-problem-in-tertiary-care-hospitals-than-in-small-community-hospitals-in-the-united-states
#2
Sumanth Gandra, Anna Trett, Eili Y Klein, Ramanan Laxminarayan
Large tertiary care hospitals (TCHs) are thought to have higher antimicrobial resistance (AMR) rates when compared to small community hospitals (SCHs) as they provide care to patients with higher disease severity. However, we found no systematic differences in AMR rates between TCHs and SCHs in the United States.
May 4, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28458758/knowledge-attitude-and-anxiety-pertaining-to-basic-life-support-and-medical-emergencies-among-dental-interns-in-mangalore-city-india
#3
Vinej Somaraj, Rekha P Shenoy, Ganesh Shenoy Panchmal, Praveen S Jodalli, Laxminarayan Sonde, Ravichandra Karkal
BACKGROUND: This cross-sectional study aimed to assess the knowledge, attitude and anxiety pertaining to basic life support (BLS) and medical emergencies among interns in dental colleges of Mangalore city, Karnataka, India. METHODS: The study subjects comprised of interns who volunteered from the four dental colleges. The knowledge and attitude of interns were assessed using a 30-item questionnaire prepared based on the Basic Life Support Manual from American Heart Association and the anxiety of interns pertaining to BLS and medical emergencies were assessed using a State-Trait Anxiety Inventory (STAI) Questionnaire...
2017: World Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28436072/real-time-individualization-of-the-unified-model-of-performance
#4
Jianbo Liu, Sridhar Ramakrishnan, Srinivas Laxminarayan, Thomas J Balkin, Jaques Reifman
Existing mathematical models for predicting neurobehavioural performance are not suited for mobile computing platforms because they cannot adapt model parameters automatically in real time to reflect individual differences in the effects of sleep loss. We used an extended Kalman filter to develop a computationally efficient algorithm that continually adapts the parameters of the recently developed Unified Model of Performance (UMP) to an individual. The algorithm accomplishes this in real time as new performance data for the individual become available...
April 24, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28428689/experimental-validation-of-antidiabetic-potential-of-cayratia-trifolia-l-domin-an-indigenous-medicinal-plant
#5
Shahid Iqbal Mohammed, Narendra Subhash Salunkhe, Kishor Sukhlal Vishwakarma, Vijay Laxminarayan Maheshwari
The present study was undertaken to evaluate antidiabetic and antioxidant activities of Cayratia trifolia root extract against streptozotocin induced diabetes in experimental rats to scientifically validate its use against diabetes in some parts of India. Ethanolic extract, showing the highest activity in in vitro experiments, was prepared in saline and administered orally to streptozotocin induced albino Wistar diabetic rats for 21 days. Biochemical parameters liver and muscles glycogen and in vivo antioxidant activity in normal, diabetic control, standard (metformin) and treated animals were determined and compared...
June 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28400386/emerging-and-re-emerging-infectious-disease-threats-in-south-asia-status-vulnerability-preparedness-and-outlook
#6
Ramanan Laxminarayan, Manish Kakkar, Peter Horby, Gathsaurie Neelika Malavige, Buddha Basnyat
No abstract text is available yet for this article.
April 11, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28373127/rp5063-an-atypical-antipsychotic-drug-with-a-unique-pharmacologic-profile-improves-declarative-memory-and-psychosis-in-mouse-models-of-schizophrenia
#7
Lakshmi Rajagopal, Sunoh Kwon, Mei Huang, Eric Michael, Laxminarayan Bhat, Marc Cantillon, Herbert Y Meltzer
Various types of atypical antipsychotic drugs (AAPDs) modestly improve the cognitive impairment associated with schizophrenia (CIAS). RP5063 is an AAPD with a diverse and unique pharmacology, including partial agonism at dopamine (DA) D2, D3, D4, serotonin (5-HT)1A, and 5-HT2A receptors (Rs), full agonism at α4β2 nicotinic acetylcholine (ACh)R (nAChR), and antagonism at 5-HT2B, 5-HT6, and 5-HT7Rs. Most atypical APDs are 5-HT2A inverse agonists. The efficacy of RP5063 in mouse models of psychosis and episodic memory were studied...
March 31, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28352285/effect-of-herbal-and-fluoride-mouth-rinses-on-streptococcus-mutans-and-dental-caries-among-12-15-year-old-school-children-a-randomized-controlled-trial
#8
Vinej Somaraj, Rekha P Shenoy, Ganesh Shenoy Panchmal, Vijaya Kumar, Praveen S Jodalli, Laxminarayan Sonde
To assess and compare the effect of herbal and fluoride mouth rinses on Streptococcus mutans count and glucan synthesis by Streptococcus mutans and dental caries, a parallel group placebo controlled randomized trial was conducted among 240 schoolchildren (12-15 years old). Participants were randomly divided and allocated into Group I (0.2% fluoride group), Group II (herbal group), and Group III (placebo group). All received 10 ml of respective mouth rinses every fortnight for a period of one year. Intergroup and intragroup comparison were done for Streptococcus mutans count and glucan synthesis by Streptococcus mutans and dental caries...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28331276/an-easy-technique-for-negative-pressure-wound-therapy-for-extremities-using-collagen-powder-and-sterile-gloves
#9
L S Sreelesh, P Laxminarayan Bhandari
Negative-pressure wound therapy (NPWT) has become the standard of care for wound management. Application of NPWT to the hand and foot is technically challenging due to difficulty in obtaining a proper air seal. The cost of the treatment is another negative factor affecting NPWT in developing countries. We describe an easy and economical technique for the application of NPWT to the extremities using collage powder and sterile surgical glove. Collagen creates a physiological interface between the wound surface and the environment and is also non-immunogenic, non-pyrogenic, hypoallergenic, and pain-free...
February 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/28284250/estimating-tuberculosis-incidence-from-primary-survey-data-a-mathematical-modeling-approach
#10
S Pandey, V K Chadha, R Laxminarayan, N Arinaminpathy
BACKGROUND: There is an urgent need for improved estimations of the burden of tuberculosis (TB). OBJECTIVE: To develop a new quantitative method based on mathematical modelling, and to demonstrate its application to TB in India. DESIGN: We developed a simple model of TB transmission dynamics to estimate the annual incidence of TB disease from the annual risk of tuberculous infection and prevalence of smear-positive TB. We first compared model estimates for annual infections per smear-positive TB case using previous empirical estimates from China, Korea and the Philippines...
April 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28253922/counting-the-lives-saved-by-dots-in-india-a-model-based-approach
#11
Sandip Mandal, Vineet K Chadha, Ramanan Laxminarayan, Nimalan Arinaminpathy
BACKGROUND: Against the backdrop of renewed efforts to control tuberculosis (TB) worldwide, there is a need for improved methods to estimate the public health impact of TB programmes. Such methods should not only address the improved outcomes amongst those receiving care but should also account for the impact of TB services on reducing transmission. METHODS: Vital registration data in India are not sufficiently reliable for estimates of TB mortality. As an alternative approach, we developed a mathematical model of TB transmission dynamics and mortality, capturing the scale-up of DOTS in India, through the rollout of the Revised National TB Control Programme (RNTCP)...
March 3, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28215471/dopamine-serotonin-stabilizer-rp5063-a-randomized-double-blind-placebo-controlled-multicenter-trial-of-safety-and-efficacy-in-exacerbation-of-schizophrenia-or-schizoaffective-disorder
#12
Marc Cantillon, Arul Prakash, Ajay Alexander, Robert Ings, Dennis Sweitzer, Laxminarayan Bhat
The study objectives were to evaluate the efficacy, safety, tolerability, and pharmacokinetics of RP5063 versus placebo. The study was conducted in adults with acute exacerbation of schizophrenia or schizoaffective disorder. This 28-day, multicenter, placebo-controlled, double-blind study randomized 234 subjects to RP5063 15, 30, or 50mg; aripiprazole; or placebo (3:3:3:1:2) once daily. The aripiprazole arm was included solely to show assay sensitivity and was not powered to show efficacy. The primary endpoint was change from baseline to Day 28/EOT (End-of-Treatment) in Positive and Negative Syndrome Scale (PANSS) total score; secondary endpoints included PANSS subscales, improvement ≥1 point on the Clinical Global Impressions-Severity (CGI-S), depression and cognition scales...
February 16, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28009290/inhibition-of-ror%C3%AE-t-skews-tcr%C3%AE-gene-rearrangement-and-limits-t-cell-repertoire-diversity
#13
Yanxia Guo, Kenzie D MacIsaac, Yi Chen, Richard J Miller, Renu Jain, Barbara Joyce-Shaikh, Heidi Ferguson, I-Ming Wang, Razvan Cristescu, John Mudgett, Laura Engstrom, Kyle J Piers, Gretchen A Baltus, Kenneth Barr, Hongjun Zhang, Huseyin Mehmet, Laxminarayan G Hegde, Xiao Hu, Laura L Carter, Thomas D Aicher, Gary Glick, Dennis Zaller, Abbas Hawwari, Craig C Correll, Dallas C Jones, Daniel J Cua
Recent studies have elucidated the molecular mechanism of RORγT transcriptional regulation of Th17 differentiation and function. RORγT was initially identified as a transcription factor required for thymopoiesis by maintaining survival of CD4(+)CD8(+) (DP) thymocytes. While RORγ antagonists are currently being developed to treat autoimmunity, it remains unclear how RORγT inhibition may impact thymocyte development. In this study, we show that in addition to regulating DP thymocytes survival, RORγT also controls genes that regulate thymocyte migration, proliferation, and T cell receptor (TCR)α selection...
December 20, 2016: Cell Reports
https://www.readbyqxmd.com/read/27959471/lumbar-sympathectomy-techniques-for-critical-lower-limb-ischaemia-due-to-non-reconstructable-peripheral-arterial-disease
#14
REVIEW
Veena Kl Karanth, Tulasi Kota Karanth, Laxminarayan Karanth
BACKGROUND: Critical lower limb ischaemia (CLI) is a manifestation of peripheral arterial disease (PAD) that is seen in patients with typical chronic ischaemic rest pain or patients with ischaemic skin lesions - ulcers or gangrene - for longer than 2 weeks. Critical lower limb ischaemia is the most severe form of PAD, and interventions to improve arterial perfusion become necessary. Although surgical bypass has been the gold standard for revascularisation, the extent or the site of disease may be such that the artery cannot be reconstructed or bypassed...
December 13, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27915108/how-should-we-respond-to-the-emergence-of-plasmid-mediated-colistin-resistance-in-humans-and-animals
#15
REVIEW
Jaffar A Al-Tawfiq, Ramanan Laxminarayan, Marc Mendelson
OBJECTIVE: The widespread use of antibiotics in humans and animals has contributed to growing rates of antibiotic resistance. Previously treatable bacterial infections now require the last line of antibiotics or are untreatable. The current antibiotic of last resort for carbapenem-resistant Gram-negative bacterial infections is often colistin. Evidence for the shifting pattern of colistin resistance and how the international community should respond are discussed in this review. METHODS: The literature on colistin resistance was reviewed...
January 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/27856730/multidrug-and-carbapenem-resistant-pseudomonas-aeruginosa-in-children-united-states-1999-2012
#16
Latania K Logan, Sumanth Gandra, Siddhartha Mandal, Eili Y Klein, Jordan Levinson, Robert A Weinstein, Ramanan Laxminarayan
BACKGROUND: Pseudomonas aeruginosa is a common cause of healthcare-associated infection. Multidrug-resistant (MDR) (>3 classes) and carbapenem-resistant (CR) P aeruginosa are significant threats globally. We used a large reference-laboratory database to study the epidemiology of P aeruginosa in children in the United States. METHODS: Antimicrobial susceptibility data from the Surveillance Network were used to phenotypically identify MDR and CR P aeruginosa isolates in children aged 1 to 17 years between January 1999 and July 2012...
November 16, 2016: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/27748306/current-costs-projected-financial-needs-of-india-s-universal-immunization-programme
#17
Susmita Chatterjee, Manish Pant, Pradeep Haldar, Mahesh Kumar Aggarwal, Ramanan Laxminarayan
BACKGROUND & OBJECTIVES: India's Universal Immunization Programme (UIP) is one of the largest programmes in the world in terms of quantities of vaccines administered, number of beneficiaries, number of immunization sessions, and geographical extent and diversity of areas covered. Strategic planning for the Programme requires credible information on the cost of achieving the objectives and the financial resources needed at national, State, and district levels. We present here expenditures on immunization services in India in 2012 (baseline) and projected costs for five years (2013-2017)...
June 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/27717858/poverty-and-prevalence-of-antimicrobial-resistance-in-invasive-isolates
#18
Gerardo Alvarez-Uria, Sumanth Gandra, Ramanan Laxminarayan
OBJECTIVES: To evaluate the association between the income status of a country and the prevalence of antimicrobial resistance (AMR) in the three most common bacteria causing infections in hospitals and in the community: third-generation cephalosporin (3GC)-resistant Escherichia coli, methicillin-resistant Staphylococcus aureus (MRSA), and 3GC-resistant Klebsiella species. METHODS: Using 2013-2014 country-specific data from the ResistanceMap repository and the World Bank, the association between the prevalence of AMR in invasive samples and the gross national income (GNI) per capita was investigated through linear regression with robust standard errors...
November 2016: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/27647658/a-global-antimicrobial-conservation-fund-for-low-and-middle-income-countries
#19
Marc Mendelson, Osman A Dar, Steven J Hoffman, Ramanan Laxminarayan, Mirfin M Mpundu, John-Arne Røttingen
No abstract text is available yet for this article.
September 16, 2016: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/27633421/antimicrobial-resistance-a-threat-to-neonate-survival
#20
Ramanan Laxminarayan, Zulfiqar A Bhutta
No abstract text is available yet for this article.
October 2016: Lancet Global Health
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