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Chemoprophylaxis

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https://www.readbyqxmd.com/read/28207572/cross-reactivity-of-chloroquine-and-hydroxychloroquine-with-dri-amphetamine-immunoassay
#1
Isabel Gomila, Loreto Quesada, Victoria López-Corominas, Julia Fernández, Miguel Ángel Servera, Laura Sahuquillo, Macarena Dastis, Albert Torrents, Bernardino Barceló
BACKGROUND: Chloroquine and hydroxychloroquine are medical drugs used to treat the chemoprophylaxis of malaria as well as a second-line anti-inflammatory drug. METHODS: We performed a study of cross-reactivity of chloroquine and hydroxychloroquine in the DRI Amphetamine Assay inspired by a case report of a self-ingestion of chloroquine following a family dispute, that involved the following: (a) an in vitro study with control samples of healthy subjects, (b) an in vivo study with samples of patients with rheumatoid arthritis, and (c) an evaluation of the cross-reactivity of chloroquine and hydroxychloroquine in three additional immunoassays...
February 14, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28199305/sterile-protection-against-human-malaria-by-chemoattenuated-pfspz-vaccine
#2
Benjamin Mordmüller, Güzin Surat, Heimo Lagler, Sumana Chakravarty, Andrew S Ishizuka, Albert Lalremruata, Markus Gmeiner, Joseph J Campo, Meral Esen, Adam J Ruben, Jana Held, Carlos Lamsfus Calle, Juliana B Mengue, Tamirat Gebru, Javier Ibáñez, Mihály Sulyok, Eric R James, Peter F Billingsley, K C Natasha, Anita Manoj, Tooba Murshedkar, Anusha Gunasekera, Abraham G Eappen, Tao Li, Richard E Stafford, Minglin Li, Phil L Felgner, Robert A Seder, Thomas L Richie, B Kim Lee Sim, Stephen L Hoffman, Peter G Kremsner
A highly protective malaria vaccine would greatly facilitate the prevention and elimination of malaria and containment of drug-resistant parasites. A high level (more than 90%) of protection against malaria in humans has previously been achieved only by immunization with radiation-attenuated Plasmodium falciparum (Pf) sporozoites (PfSPZ) inoculated by mosquitoes; by intravenous injection of aseptic, purified, radiation-attenuated, cryopreserved PfSPZ ('PfSPZ Vaccine'); or by infectious PfSPZ inoculated by mosquitoes to volunteers taking chloroquine or mefloquine (chemoprophylaxis with sporozoites)...
February 15, 2017: Nature
https://www.readbyqxmd.com/read/28185296/a-report-of-cerebral-malaria-treated-with-automated-red-blood-cell-exchange
#3
Waseem Q Anani, Gerald P Smith, Mehraboon Irani, Kathleen E Puca
BACKGROUND: Adjunctive automated whole blood or red blood cell exchange (RBCEx) can rapidly decrease malarial hyperparasitemia. Several case reports and series suggest improvement in clinical symptomatology; however, recent Centers of Disease Control and Prevention (CDC) recommendations concluded that RBCEx has no efficacy as an adjunctive therapy. We present a case of mental status changes secondary to cerebral malaria treated with automated RBCEx resulting in rapid and dramatic neurologic improvement...
February 10, 2017: Transfusion
https://www.readbyqxmd.com/read/28182750/chemoprophylaxis-with-sporozoite-immunization-in-p-knowlesi-rhesus-monkeys-confers-protection-and-elicits-sporozoite-specific-memory-t-cells-in-the-liver
#4
Sathit Pichyangkul, Michele D Spring, Kosol Yongvanitchit, Utaiwan Kum-Arb, Amporn Limsalakpetch, Rawiwan Im-Erbsin, Ratawan Ubalee, Pattaraporn Vanachayangkul, Edmond J Remarque, Evelina Angov, Philip L Smith, David L Saunders
Whole malaria sporozoite vaccine regimens are promising new strategies, and some candidates have demonstrated high rates of durable clinical protection associated with memory T cell responses. Little is known about the anatomical distribution of memory T cells following whole sporozoite vaccines, and immunization of nonhuman primates can be used as a relevant model for humans. We conducted a chemoprophylaxis with sporozoite (CPS) immunization in P. knowlesi rhesus monkeys and challenged via mosquito bites. Half of CPS immunized animals developed complete protection, with a marked delay in parasitemia demonstrated in the other half...
2017: PloS One
https://www.readbyqxmd.com/read/28175421/180%C3%A2-early-deep-vein-thrombosis-chemoprophylaxis-in-traumatic-brain-injury
#5
Fabio Frisoli, Paul P Huang, Spiros Frangos
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28173862/pre-travel-malaria-chemoprophylaxis-counselling-in-a-public-travel-medicine-clinic-in-s%C3%A3-o-paulo-brazil
#6
Tânia do Socorro Souza Chaves, Wuelton Marcelo Monteiro, Jessé Reis Alves, Marcus Lacerda, Marta Heloisa Lopes
BACKGROUND: Malaria is one of the most prevalent parasitic diseases in the world and represents a threat to travellers visiting endemic areas. Chemoprophylaxis is the prevention measure used in travel medicine, avoiding clinical manifestations and protecting against the development of severe disease and death. METHODS: Retrospective and descriptive analysis of malaria prevention data in travellers was recorded from a travel medicine clinic in São Paulo, Brazil, between January 2006 and December 2010...
February 7, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28170135/diagnostic-potential-of-interferon-gamma-release-assay-to-detect-latent-tuberculosis-infection-in-kidney-transplant-recipients
#7
Jameela Edathodu, Bright Varghese, Abdulrahman A Alrajhi, Mohammed Shoukri, Ahmad Nazmi, Hazem Elgamal, Hassan Aleid, Fahad Alrabiah, Aattia Ashraff, Ihab Mahmoud, Sahal Al-Hajoj
BACKGROUND: Latent tuberculosis (TB) infection (LTBI) is screened by using clinical assessment, tuberculin skin test (TST), chest radiography and recently by interferon-gamma release assays (IGRA). The objective of this study was to evaluate the diagnostic potential of QuantiFERON(®) -TB Gold In-Tube test (QFT) for diagnosing LTBI in patients planned for kidney transplantation. METHODS: All adult patients with end-stage renal disease, evaluated for kidney transplantation in a referral center from August 2008 till May 2013, were enrolled, after consenting in a prospective, observational, non-interventional study...
February 7, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28161482/evaluation-of-a-standardized-risk-based-venous-thromboembolism-prophylaxis-protocol-in-the-setting-of-thyroid-and-parathyroid-surgery
#8
Ryan Macht, Ivy Gardner, Stephanie Talutis, Pamela Rosenkranz, Gerard Doherty, David McAneny
BACKGROUND: An elevated odds ratio for venous thromboembolism (VTE) prompted the development of a Caprini risk assessment and risk-based prophylaxis protocol for all General Surgery patients. This system includes pre- and post-operative prophylactic heparin as well as extended courses of low molecular weight heparin for high-risk patients. This study evaluates the safety of this chemoprophylaxis program in thyroid and parathyroid surgery. STUDY DESIGN: A retrospective review was conducted of all General Surgery patients undergoing thyroid or parathyroid operations after the implementation of the Caprini prophylaxis protocol...
February 1, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28122576/response-to-fever-and-utilization-of-standby-emergency-treatment-sbet-for-malaria-in-travellers-to-southeast-asia-a-questionnaire-based-cohort-study
#9
Christof D Vinnemeier, Camilla Rothe, Benno Kreuels, Marylyn M Addo, Sabine Vygen-Bonnet, Jakob P Cramer, Thierry Rolling
BACKGROUND: Guidelines in several European countries recommend standby emergency treatment (SBET) for travellers to regions with low or medium malaria transmission instead of continuous chemoprophylaxis: travellers are advised to seek medical assistance within 24 h in case of fever and to self-administer SBET only if they are not able to consult a doctor within the time period specified. Data on healthcare-seeking behaviour of febrile travellers and utilization of SBET is however scarce as only two studies were performed in the mid-1990s...
January 25, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28121894/evidence-based-recipes-for-venous-thromboembolism-prophylaxis-a-practical-safety-guide
#10
Christopher J Pannucci
LEARNING OBJECTIVES: After studying this article and viewing the videos, the participant should be able to: 1. Demonstrate an understanding of risk stratification for venous thromboembolism in surgical patients. 2. Calculate and interpret a 2005 Caprini score. 3. Give examples of modifiable risk factors for perioperative venous thromboembolism. 4. Propose a venous thromboembolism risk reduction strategy using mechanical and/or chemoprophylaxis and justify the risks and benefits of the proposed strategy...
February 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28115674/grammomys-surdaster-the-natural-host-for-plasmodium-berghei-parasites-as-a-model-to-study-whole-organism-vaccines-against-malaria
#11
Solomon Conteh, Charles Anderson, Lynn Lambert, Sachy Orr-Gonzalez, Jessica Herrod, Yvette L Robbins, Dariyen Carter, Stomy Bin Shamamba Karhemere, Pati Pyana, Philippe Büscher, Patrick E Duffy
Inbred mice are commonly used to test candidate malaria vaccines, but have been unreliable for predicting efficacy in humans. To establish a more rigorous animal model, we acquired African woodland thicket rats of the genus Grammomys, the natural hosts for Plasmodium berghei Thicket rats were acquired and identified as Grammomys surdaster by skull and teeth measurements and mitochondrial DNA genotyping. Herein, we demonstrate that thicket rats are highly susceptible to infection by P berghei, and moderately susceptible to Plasmodium yoelii and Plasmodium chabaudi: 1-2 infected mosquito bites or 25-100 sporozoites administered by intravenous injection consistently resulted in patent parasitemia with P...
January 23, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28108019/goal-directed-enoxaparin-dosing-provides-superior-chemoprophylaxis-against-deep-vein-thrombosis
#12
Tammy R Kopelman, Jarvis W Walters, James N Bogert, Usmaan Basharat, Paola G Pieri, Karole M Davis, Asia N Quan, Sydney J Vail, Melissa A Pressman
INTRODUCTION: Optimal enoxaparin dosing for deep venous thrombosis (DVT) prophylaxis remains elusive. Prior research demonstrated that trauma patients at increased risk for DVT based upon Greenfield's risk assessment profile (RAP) have DVT rates of 10.8% despite prophylaxis. The aim of this study was to determine if goal directed prophylactic enoxaparin dosing to achieve anti-Xa levels of 0.3-0.5IU/ml would decrease DVT rates without increased complications. MATERIALS AND METHODS: Retrospective review of trauma patients having received prophylactic enoxaparin and appropriately timed anti-Xa levels was performed...
November 3, 2016: Injury
https://www.readbyqxmd.com/read/28106607/individualized-venous-thromboembolism-risk-stratification-using-the-2005-caprini-score-to-identify-the-benefits-and-harms-of-chemoprophylaxis-in-surgical-patients-a-meta-analysis
#13
Christopher J Pannucci, Lukasz Swistun, John K MacDonald, Peter K Henke, Benjamin S Brooke
OBJECTIVE: We performed a meta-analysis to investigate benefits and harms of chemoprophylaxis among surgical patients individually risk stratified for venous thromboembolism (VTE) using Caprini scores. SUMMARY OF BACKGROUND DATA: Individualized VTE risk stratification may identify high risk surgical patients who benefit from peri-operative chemoprophylaxis. METHODS: MEDLINE, EMBASE, and the Cochrane Library (CENTRAL) databases were queried...
January 19, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28100282/optimal-regimens-of-sulfamethoxazole-trimethoprim-for-chemoprophylaxis-of-pneumocystis-pneumonia-in-patients-with-systemic-rheumatic-diseases-results-from-a-non-blinded-randomized-controlled-trial
#14
Masako Utsunomiya, Hiroaki Dobashi, Toshio Odani, Kazuyoshi Saito, Naoto Yokogawa, Kenji Nagasaka, Kenchi Takenaka, Makoto Soejima, Takahiko Sugihara, Hiroyuki Hagiyama, Shinya Hirata, Kazuo Matsui, Yoshinori Nonomura, Masahiro Kondo, Fumihito Suzuki, Makoto Tomita, Mari Kihara, Waka Yokoyama, Fumio Hirano, Hayato Yamazaki, Ryoko Sakai, Toshihiro Nanki, Ryuji Koike, Hitoshi Kohsaka, Nobuyuki Miyasaka, Masayoshi Harigai
BACKGROUND: Sulfamethoxazole-trimethoprim (SMX/TMP) is a standard drug for the prophylaxis of Pneumocystis pneumonia (PJP) in immunosuppressed patients with systemic rheumatic diseases, but is sometimes discontinued due to adverse events (AEs). The objective of this non-blinded, randomized, 52-week non-inferiority trial was to quest an effective chemoprophylaxis regimen for PJP with a low drug discontinuation rate. Results at week 24 were reported. METHODS: Adult patients with systemic rheumatic diseases who started prednisolone ≥0...
January 18, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28099311/aspirin-the-unsung-champion-of-deep-venous-thrombosis-chemoprophylaxis-a-historical-perspective-commentary-on-an-article-by-javad-parvizi-md-frcs-et-al-low-dose-aspirin-is-effective-chemoprophylaxis-against-clinically-important-venous-thromboembolism-following
#15
https://www.readbyqxmd.com/read/28099298/low-dose-aspirin-is-effective-chemoprophylaxis-against-clinically-important-venous-thromboembolism-following-total-joint-arthroplasty-a-preliminary-analysis
#16
Javad Parvizi, Ronald Huang, Camilo Restrepo, Antonia F Chen, Matthew S Austin, William J Hozack, Jess H Lonner
BACKGROUND: Aspirin is a safe and effective prophylaxis for the prevention of venous thromboembolism following total joint arthroplasty. The optimal dose of aspirin prophylaxis is unknown. Our hypothesis was that lower-dose aspirin is as effective as higher-dose aspirin for the prevention of venous thromboembolism and is associated with fewer gastrointestinal side effects. METHODS: In a prospective, crossover study, we analyzed 4,651 primary total joint arthroplasty cases performed from July 2013 to June 2015...
January 18, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28065185/predictors-of-immunodeficiency-related-death-in-a-cohort-of-low-income-people-living-with-hiv-a-competing-risks-survival-analysis
#17
M F P M Albuquerque, D N Alves, C C Bresani Salvi, J D L Batista, R A A Ximenes, D B Miranda-Filho, H R L Melo, M Maruza, U R Montarroyos
We conducted a survival analysis with competing risks to estimate the mortality rate and predictive factors for immunodeficiency-related death in people living with HIV/AIDS (PLWH) in northeast Brazil. A cohort with 2372 PLWH was enrolled between July 2007 and June 2010 and monitored until 31 December 2012 at two healthcare centres. The event of interest was immunodeficiency-related death, which was defined based on the Coding Causes of Death in HIV Protocol (CoDe). The predictor variables were: sociodemographic characteristics, illicit drugs, tobacco, alcohol, nutritional status, antiretroviral therapy, anaemia and CD4 cell count at baseline; and treatment or chemoprophylaxis for tuberculosis (TB) during follow-up...
January 9, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28053389/is-pre-operative-assessment-of-coagulation-profile-with-thrombelastography-teg-useful-in-predicting-venous-thromboembolism-vte-following-orthopaedic-surgery
#18
Apurve Parameswaran, Vignesh P Krishnamoorthy, Anil T Oommen, Anita Jasper, Ravi J Korula, Sukesh C Nair, Pradeep M Poonnoose
INTRODUCTION: Epidemiologic data on the incidence of venous thromboembolism (VTE) in Indian population vary widely. Most studies show that the incidence of VTE is lower in Asian patients than in Western population. Screening tools to identify high-risk patients should enable us to reduce this complication. METHODS: The incidence of VTE in 101 patients who underwent knee or hip arthroplasty, or surgery for hip fractures, without chemoprophylaxis for deep vein thrombosis (DVT) was documented...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28044950/clinico-pathological-profile-and-surgical-outcome-of-patients-of-gastrointestinal-tuberculosis-undergoing-laparotomy
#19
Priyank Pathak, Shantanu Kumar Sahu, Saurabh Agrawal
: Tuberculosis is one of the earliest diseases affecting the mankind. Abdominal tuberculosis constitutes a common public health issue in developing countries like ours. Gastrointestinal tuberculosis often involves the ileocecal region. Surgery in case of abdominal tuberculosis is required to overcome the deleterious effects of the disease like tissue disorganization, obstruction and perforatio. AIMS AND OBJECTIVES: 1. To study the various clinical profiles of gastrointestinal tuberculosis in patients undergoing laparotomy; 2...
November 2016: Chirurgia
https://www.readbyqxmd.com/read/28043488/development-of-the-food-supplement-nyaditum-resae-as-a-new-tool-to-reduce-the-risk-of-tuberculosis-development
#20
Nestani Tukvadze, Paula Cardona, Sergo Vashakidze, Natalia Shubladze, Zaza Avaliani, Cris Vilaplana, Pere-Joan Cardona
Nyaditum resae (NR) is a galenic preparation of heat-killed Mycobacterium manresensis (hkMn). This is a new species that belongs to the Mycobacterium fortuitum complex, and it is present in drinking water-thus, regulatorily speaking, it is considered a food supplement. Preclinical studies in the murine model of active tuberculosis (TB) in the C3HeB/FeJ strain have demonstrated that daily administration of NR containing 10(3)-10(6)hkMn for 14days was able to stop the progression toward active TB [1]. The mechanism of action was linked to the induction of low dose tolerance and was related to the increase of Tuberculin Purified Protein Derivative (PPD) memory-specific Tregs (CD4(+)CD25(+)CD39(+) cells) after ex vivo incubation of splenocytes for 7days...
December 2016: International Journal of Mycobacteriology
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