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https://www.readbyqxmd.com/read/28425834/rift-valley-fever-vaccines-an-overview-of-the-safety-and-efficacy-of-the-live-attenuated-mp-12-vaccine-candidate
#1
Tetsuro Ikegami
Rift Valley fever (RVF) is a mosquito-borne zoonotic viral disease endemic to Africa and the Arabian Peninsula. High rates of abortion among infected ruminants and hemorrhagic fever in infected humans are major public health concerns. Commercially available veterinary RVF vaccines are important for preventing the spread of the Rift Valley fever virus (RVFV) in endemic countries; however, RVFV outbreaks continue to occur frequently in endemic countries in the 21(st) century. In the U.S., the live-attenuated MP-12 vaccine has been developed for both animal and human vaccination...
April 20, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28418458/right-ventricular-fiber-structure-as-a-compensatory-mechanism-in-experimental-pressure-overload-a-computational-study
#2
Arnold D Gomez, Huashan Zou, Megan E Bowen, Xiaoqing Liu, Edward W Hsu, Stephen H McKellar
Right ventricular failure (RVF) is a lethal condition in diverse pathologies. Pressure overload is the most common etiology of RVF, but our understanding of the tissue structure remodeling and other biomechanical factors involved in RVF is limited. Some remodeling patterns are interpreted as compensatory mechanisms including myocyte hypertrophy, extracellular fibrosis, and changes in fiber orientation. However, the specific implications of these changes, especially in relation to clinically observable measurements, are difficult to investigate experimentally...
April 17, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28413300/anorectal-agenesis-with-rectovaginal-fistula-a-rare-regional-variant
#3
Subhasis Roy Choudhury, Niyaz Ahmed Khan, Pinaki Ranjan Debnath, Partap Singh Yadav, Shalu Shah, Rajiv Chadha
AIMS AND OBJECTIVES: The anatomical types of female anorectal malformation (ARM) are complex and include several rare and regional variants. The aim of this report is to highlight the diagnosis and management of cases of anorectal agenesis with rectovaginal fistula (RVF). MATERIALS AND METHODS: This is a retrospective chart review of cases of RVF who underwent definitive surgery between November 2000 and September 2016 in a single institution. RESULTS: Of the 244 female patients with anorectal anomalies treated in our institution over a 16-year period, there were 15 cases of RVF with anorectal agenesis giving it an incidence of 6%...
April 2017: Journal of Indian Association of Pediatric Surgeons
https://www.readbyqxmd.com/read/28397519/emerging-vector-borne-diseases-in-dromedaries-in-tunisia-west-nile-bluetongue-epizootic-haemorrhagic-disease-and-rift-valley-fever
#4
Thameur B Hassine, Jihane Amdouni, Federica Monaco, Giovanni Savini, Soufien Sghaier, Imed B Selimen, Walid Chandoul, Khaled B Hamida, Salah Hammami
A total of 118 sera were collected during 2016 from two groups of dromedaries from Kebili and Medenine governorates in the south of Tunisia. The aim of this study was to provide the first serological investigation of four emerging vector-borne diseases in two groups of dromedaries in Tunisia. Sera were tested by ELISA and serum neutralisation test to identify West Nile virus (WNV), bluetongue virus (BTV), epizootic haemorrhagic disease virus (EHDV) and Rift Valley fever virus (RVFV). In the first group, the seroprevalence for BTV was 4...
March 31, 2017: Onderstepoort Journal of Veterinary Research
https://www.readbyqxmd.com/read/28395390/surgical-treatment-of-rectovaginal-fistula-in-crohn-s-disease-a-tertiary-center-experience
#5
Giovanni Milito, Giorgio Lisi, Dario Venditti, Michela Campanelli, Elena Aronadio, Michele Grande
BACKGROUND: Rectovaginal fistula (RVF) is a disastrous complication of Crohn's disease (CD) that is exceedingly difficult to treat. It is a disabling condition that negatively impacts a woman's quality of life. Current treatment algorithms range from observation to medical management to the need for surgical intervention. A wide variety of success rates have been reported for all management options. The choice of surgical repair methods depends on various fistula and patient characteristics, and its published success rates vary with initial success being around 50% rising to 80% with repeated surgery...
April 11, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28387600/serological-evidence-for-the-circulation-of-rift-valley-fever-virus-in-domestic-small-ruminants-in-southern-gabon
#6
Gael Darren Maganga, Andre Lea Abessolo Ndong, Clency Sylde Mikala Okouyi, Sheila Makiala Mandanda, Nadine N'Dilimabaka, Anais Pinto, Ernest Agossou, Brieuc Cossic, Jean-Paul Akue, Eric Maurice Leroy
Rift Valley fever (RVF) is a zoonotic disease, which caused several epidemics in humans in many countries of Africa. Using an inhibition enzyme-linked immunosorbent assay (ELISA), real-time reverse transcription PCR, and nested one-step reverse transcription PCR, we conducted a cross-sectional study in populations of sheep and goats from the Mongo County in 2014 to determine the circulation of the Rift Valley fever virus (RVFV) in small ruminants from this area. From a total of 201 small ruminants (95 sheep and 106 goats), the overall IgG seroprevalence against the RVFV was 6...
April 7, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28386524/surveillance-of-arthropod-borne-viruses-and-their-vectors-in-the-mediterranean-and-black-sea-regions-within-the-medilabsecure-network
#7
REVIEW
Anna-Bella Failloux, Ali Bouattour, Chafika Faraj, Filiz Gunay, Nabil Haddad, Zoubir Harrat, Elizabeta Jancheska, Khalil Kanani, Mohamed Amin Kenawy, Majlinda Kota, Igor Pajovic, Lusine Paronyan, Dusan Petric, Mhammed Sarih, Samir Sawalha, Taher Shaibi, Kurtesh Sherifi, Tatiana Sulesco, Enkelejda Velo, Lobna Gaayeb, Kathleen Victoir, Vincent Robert
PURPOSE OF REVIEW: Arboviruses, viruses transmitted by arthropods such as mosquitoes, ticks, sandflies, and fleas are a significant threat to public health because of their epidemic and zoonotic potential. The geographical distribution of mosquito-borne diseases such as West Nile (WN), Rift Valley fever (RVF), Dengue, Chikungunya, and Zika has expanded over the last decades. Countries of the Mediterranean and Black Sea regions are not spared. Outbreaks of WN are repeatedly reported in the Mediterranean basin...
2017: Current Tropical Medicine Reports
https://www.readbyqxmd.com/read/28381251/seroprevalence-of-rift-valley-fever-virus-in-livestock-during-inter-epidemic-period-in-egypt-2014-15
#8
Claudia Mroz, Mayada Gwida, Maged El-Ashker, Mohamed El-Diasty, Mohamed El-Beskawy, Ute Ziegler, Martin Eiden, Martin H Groschup
BACKGROUND: Rift Valley fever virus (RVFV) caused several outbreaks throughout the African continent and the Arabian Peninsula posing significant threat to human and animal health. In Egypt the first and most important Rift Valley fever epidemic occurred during 1977/78 with a multitude of infected humans and huge economic losses in livestock. After this major outbreak, RVF epidemics re-occurred in irregular intervals between 1993 and 2003. Seroprevalence of anti-RVFV antibodies in livestock during inter-epidemic periods can be used for supporting the evaluation of the present risk exposure for animal and public health...
April 5, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28380632/evaluation-of-right-ventricular-function-using-liver-stiffness-in-patients-with-left-ventricular-assist-device%C3%A2
#9
Noriyuki Kashiyama, Koichi Toda, Teruya Nakamura, Shigeru Miyagawa, Hiroyuki Nishi, Yasushi Yoshikawa, Satsuki Fukushima, Shunsuke Saito, Daisuke Yoshioka, Yoshiki Sawa
OBJECTIVES: Although right ventricular failure (RVF) is a major concern after left ventricular assist device (LVAD) implantation, methodologies to evaluate RV function remain limited. Liver stiffness (LS), which is closely related to right-sided filling pressure and may indicate RVF severity, could be non-invasively and repeatedly assessed using transient elastography. Here we investigated the suitability of LS as a parameter of RV function in pre- and post-LVAD periods. METHODS: The study included 55 patients with LVAD implantation as a bridge to transplantation between 2011 and 2015 whose LS was assessed using transient elastography...
April 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28379584/neural-correlates-of-the-eye-dominance-effect-in-human-face-perception-the-left-visual-field-superiority-for-faces-revisited
#10
Wookyoung Jung, Joong-Gu Kang, Hyeonjin Jeon, Miseon Shim, Ji Sun Kim, Hyun-Sung Leem, Seung-Hwan Lee
Faces are processed best when they are presented in the left visual field (LVF), a phenomenon known as LVF superiority. Although one eye contributes more when perceiving faces, it is unclear how the dominant eye (DE), the eye we unconsciously use when performing a monocular task, affects face processing. Here, we examined the influence of the DE on the LVF superiority for faces using event-related potentials. Twenty left-eye-dominant (LDE group) and 23 right-eye-dominant (RDE group) participants performed the experiments...
April 4, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28371221/prediction-of-right-ventricular-failure-after-ventricular-assist-device-implant-systematic-review-and-meta-analysis-of-observational-studies
#11
REVIEW
Diego Bellavia, Attilio Iacovoni, Cesare Scardulla, Lorenzo Moja, Michele Pilato, Sudhir S Kushwaha, Michele Senni, Francesco Clemenza, Valentina Agnese, Calogero Falletta, Giuseppe Romano, Joseph Maalouf, Michael Dandel
Right ventricular failure (RVF) after left ventricular assist device (LVAD) implantation is associated with increased morbidity and mortality, but the identification of LVAD candidates at risk for RVF remains challenging. We undertook a systematic review and meta-analysis of observational studies of risk factors associated with RVF after LVAD implant. Thirty-six studies published between 1 January 1995 and 30 April 2015, comprising 995 RVF patients out of a pooled final population of 4428 patients, were identified...
March 31, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28365215/mean-arterial-pressure-to-central-venous-pressure-ratio-a-novel-marker-for-right-ventricular-failure-after-left-ventricular-assist-device-placement
#12
Burhan Mohamedali, Rami Doukky, Kelly Karavalos, Elizabeth Avery, Geetha Bhat
BACKGROUND: Early right ventricular failure (RVF) is common after left ventricular assist device (LVAD) implantation and often leads to increased morbidity and mortality. It is difficult to predict early RVF on the basis of clinical and hemodynamic parameters. We investigated the utility of mean arterial pressure (MAP) to central venous pressure (CVP) ratio in predicting early RVF. METHOD: We analyzed a retrospective cohort of 212 consecutive patients who underwent hemodynamic assessment prior to destination therapy LVAD implantation...
March 29, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28358554/attenuated-hemispheric-asymmetry-in-metaphor-processing-among-adults-with-adhd
#13
Dorit Segal, Lilach Shalev, Nira Mashal
OBJECTIVE: To characterize the hemispheric processing of metaphors in adults with ADHD compared to controls. METHOD: We investigated the hemispheric processing of metaphors in 24 adult participants diagnosed with ADHD and 24 control participants. The hemispheric processing was examined using a divided visual field paradigm, in which different kinds of metaphors as well as literal word pairs and unrelated word pairs were presented either to the right visual field/left hemisphere (RVF/LH) or to the left visual field/right hemisphere (LVF/RH)...
March 30, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28323663/percutaneous-single-site-cannulation-for-acute-right-sided-support
#14
Mahim Malik, Ahmet Kilic, Bryan A Whitson
Right ventricular failure (RVF) is a challenging problem after left ventricular device implantation, leading to considerable morbidity and mortality. When inotropic support is no longer adequate, a temporary right ventricular assist device is needed which often mandates reopening of the sternotomy for implant and explant. We describe our technique to percutaneously place a right-internal jugular cannula for extra-corporeal support.
March 16, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28306362/cardiac-passive-aggressive-behavior-the-right-ventricle-in-patients-with-a-left-ventricular-assist-device
#15
REVIEW
Donna May Kimmaliardjuk, Marc Ruel
Right ventricular failure (RVF) affects up to 50% of patients post-left ventricular assist device (LVAD) implantation, and carries significant morbidity and mortality. There is no widely-used long-term mechanical support option for the right ventricle, thus early identification, prevention and medical treatment of RVF is of the upmost importance. Areas covered: A PubMed search was first completed searching 'Right ventricular failure post-LVAD' which yielded 152 results, and a subsequent search was performed under 'RV mechanical support' which yielded 374 results, and was filtered to 'humans' and literature written in English, generating 219 results...
April 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28277472/transvaginal-repair-of-complex-rectovaginal-fistulas-using-the-porcine-urinary-bladder-matrix-as-an-augmenting-graft
#16
Hemikaa Devakumar, Neeraja Chandrasekaran, Alexandriah Alas, Laura Martin, G Willy Davila, Eric Hurtado
BACKGROUND: After the US Food and Drug Administration issued a safety warning concerning vaginal mesh implants in 2008, their use in correction of pelvic floor defects have decreased in the United States (http://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm479732.htm). However, we are still treating patients who have had complications associated with their use, rectovaginal fistulas (RVFs) being one of them. Rectovaginal fistulas are considered complex if greater than 2.5 cm, recurrent, associated with inflammatory bowel disease, or if they are proximal in location...
March 9, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28273071/ethnic-groups-knowledge-attitude-and-practices-and-rift-valley-fever-exposure-in-isiolo-county-of-kenya
#17
Hippolyte Affognon, Peter Mburu, Osama Ahmed Hassan, Sarah Kingori, Clas Ahlm, Rosemary Sang, Magnus Evander
Rift Valley fever (RVF) is an emerging mosquito-borne viral hemorrhagic fever in Africa and the Arabian Peninsula, affecting humans and livestock. For spread of infectious diseases, including RVF, knowledge, attitude and practices play an important role, and the understanding of the influence of behavior is crucial to improve prevention and control efforts. The objective of the study was to assess RVF exposure, in a multiethnic region in Kenya known to experience RVF outbreaks, from the behavior perspective...
March 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28240033/seroprevalence-of-rift-valley-fever-in-cattle-along-the-akagera-nyabarongo-rivers-rwanda
#18
Thérèse Umuhoza, Dirk Berkvens, Isidore Gafarasi, Joseph Rukelibuga, Borden Mushonga, Savino Biryomumaisho
Rift Valley fever (RVF) virus is caused by a zoonotic arbovirus that is endemic to eastern and southern Africa. It has also been reported in West and North Africa, Madagascar and the Arabian Peninsula. The virus is transmitted by mosquitoes, but people can also become infected while handling blood or other body fluids of animals and humans with RVF. In 2007, there was a large outbreak of RVF in Kenya, Tanzania, Sudan and Somalia. Outbreaks were also reported in South Africa in 2008-2011. The epidemiology of RVF and factors for disease occurrence in Rwanda are neither clear nor documented...
January 20, 2017: Journal of the South African Veterinary Association
https://www.readbyqxmd.com/read/28212379/distribution-and-abundance-of-key-vectors-of-rift-valley-fever-and-other-arboviruses-in-two-ecologically-distinct-counties-in-kenya
#19
Rosemary Sang, Samwel Arum, Edith Chepkorir, Gladys Mosomtai, Caroline Tigoi, Faith Sigei, Olivia Wesula Lwande, Tobias Landmann, Hippolyte Affognon, Clas Ahlm, Magnus Evander
BACKGROUND: Rift Valley fever (RVF) is a mosquito-borne viral zoonosis of ruminants and humans that causes outbreaks in Africa and the Arabian Peninsula with significant public health and economic consequences. Humans become infected through mosquito bites and contact with infected livestock. The virus is maintained between outbreaks through vertically infected eggs of the primary vectors of Aedes species which emerge following rains with extensive flooding. Infected female mosquitoes initiate transmission among nearby animals, which amplifies virus, thereby infecting more mosquitoes and moving the virus beyond the initial point of emergence...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28209402/chemokine-receptor-patterns-and-right-heart-failure-in-mechanical-circulatory-support
#20
Aditi Nayak, Colin Neill, Robert L Kormos, Luigi Lagazzi, Indrani Halder, Charles McTiernan, Jennifer Larsen, Ana Inashvili, Jeffrey Teuteberg, Timothy N Bachman, Karen Hanley-Yanez, Dennis M McNamara, Marc A Simon
BACKGROUND: Right ventricular failure (RVF) complicates 9% to 44% of left ventricular assist device (LVAD) implants post-operatively. Current prediction scores perform only modestly in validation studies, and do not include immune markers. Chemokines are inflammatory signaling molecules with a fundamental role in cardiac physiology and stress adaptation. In this study we investigated chemokine receptor regulation in LVAD recipients who develop RVF. METHODS: Expression of chemokine receptor (CCR) genes 3 to 8 were examined in the peripheral blood of 111 LVAD patients, collected 24 hours before implant...
December 23, 2016: Journal of Heart and Lung Transplantation
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