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https://www.readbyqxmd.com/read/28323663/percutaneous-single-site-cannulation-for-acute-right-sided-support
#1
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
#2
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...
March 17, 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
#3
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
#4
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
#5
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
#6
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
#7
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
https://www.readbyqxmd.com/read/28208248/development-of-a-sers-based-rapid-vertical-flow-assay-for-point-of-care-diagnostics
#8
O J R Clarke, B L Goodall, H P Hui, N Vats, C L Brosseau
Point-of-care (POC) diagnostic testing platforms are a growing sector of the healthcare industry as they offer the advantages of rapid provision of results, ease of use, reduced cost, and the ability to link patients to care. While many POC tests are based on chromatographic flow assay technology, this technology suffers from a lack of sensitivity along with limited capacity for multiplexing and quantitative analysis. Several recent reports have begun to investigate the feasibility of coupling chromatographic flow platforms to more advanced read-out technologies which in turn enable on-site acquisition, storage, and transmission of important healthcare metrics...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28207905/the-one-health-approach-to-identify-knowledge-attitudes-and-practices-that-affect-community-involvement-in-the-control-of-rift-valley-fever-outbreaks
#9
Osama Ahmed Hassan, Hippolyte Affognon, Joacim Rocklöv, Peter Mburu, Rosemary Sang, Clas Ahlm, Magnus Evander
Rift Valley fever (RVF) is a viral mosquito-borne disease with the potential for global expansion, causes hemorrhagic fever, and has a high case fatality rate in young animals and in humans. Using a cross-sectional community-based study design, we investigated the knowledge, attitudes and practices of people living in small village in Sudan with respect to RVF outbreaks. A special One Health questionnaire was developed to compile data from 235 heads of household concerning their knowledge, attitudes, and practices with regard to controlling RVF...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28203133/simultaneously-diagnosed-and-successfully-treated-rectovaginal-and-vesicovaginal-fistulae-after-low-anterior-resection-with-concomitant-resection-of-female-genitalia
#10
Chisato Takagi, Hideo Baba, Kazuo Yamafuji, Atsunori Asami, Kaoru Takeshima, Nobuhiko Okamoto, Hidena Takahashi, Kiyoshi Kubochi
Rectovaginal fistula (RVF) and vesicovaginal fistula (VVF) are infrequent but distressing complications after pelvic surgery. However, their adequate treatment is not well described. Here, we simultaneously encountered and successfully treated RVF and VVF after radical surgery for rectal cancer. A 70-year-old woman underwent low anterior resection (LAR) combined with resection of the uterus, the bilateral adnexa, and the upper side of the vagina, as well as diverted ileostomy for rectal cancer. A month after the surgery, she developed urinary incontinence and underwent medical treatment, but her symptoms did not improve...
January 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/28197291/postoperative-right-ventricular-failure-in-cardiac-surgery
#11
REVIEW
Victor H Nieto Estrada, Daniel L Molano Franco, Albert A Valencia Moreno, Jose A Rojas Gambasica, Cristian C Cortes Nunez
Two cases of patients that developed right ventricular failure (RVF) after cardiac valve surgery are presented with a narrative revision of the literature. RVF involves a great challenge due to the severity of this condition; it has a low incidence among non-congenital cardiac surgery patients, is more likely associated with cardiovascular and pulmonary complications related to cardiopulmonary bypass (CPB), and is a cause of acute graft failure and of a higher early mortality in cardiac transplant. The morphologic and hemodynamic characteristics of the right ventricle and some specific factors that breed pulmonary hypertension after cardiac surgery are in favor of the onset of RVF...
December 2016: Cardiology Research
https://www.readbyqxmd.com/read/28179009/benefits-of-ultra-fast-track-anesthesia-in-left-ventricular-assist-device-implantation-a-retrospective-propensity-score-matched-cohort-study-of-a-four-year-single-center-experience
#12
Rashad Zayat, Ares K Menon, Andreas Goetzenich, Gereon Schaelte, Ruediger Autschbach, Christian Stoppe, Tim-Philipp Simon, Lachmandath Tewarie, Ajay Moza
BACKGROUND: The use of left ventricular assist devices (LVADs) has gained significant importance for treatment of end-stage heart failure. Fast-track procedures are well established in cardiac surgery, whereas knowledge of their benefits after LVAD implantation is sparse. We hypothesized that ultra-fast-track anesthesia (UFTA) with in-theater extubation or at a maximum of 4 h. after surgery is feasible in Interagency Registry for Mechanically Assisted Circulatory Support (INTERMACS) level 3 and 4 patients and might prevent postoperative complications...
February 8, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28162129/assessment-of-community-awareness-and-risk-perceptions-of-zoonotic-causes-of-abortion-in-cattle-at-three-selected-livestock-wildlife-interface-areas-of-zimbabwe
#13
M Ndengu, M DE Garine-Wichatitsky, D M Pfukenyi, M Tivapasi, B Mukamuri, G Matope
A study was conducted to assess the awareness of cattle abortions due to brucellosis, Rift Valley fever (RVF) and leptospirosis, and to compare frequencies of reported abortions in communities living at the periphery of the Great Limpopo Transfrontier Conservation Area in southeastern Zimbabwe. Three study sites were selected based on the type of livestock-wildlife interface: porous livestock-wildlife interface (unrestricted); non-porous livestock-wildlife interface (restricted by fencing); and livestock-wildlife non-interface (totally absent or control)...
February 6, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28153025/restorative-resection-of-radiation-rectovaginal-fistula-can-better-relieve-anorectal-symptoms-than-colostomy-only
#14
Qinghua Zhong, Zixu Yuan, Tenghui Ma, Huaiming Wang, Qiyuan Qin, Lili Chu, Jianping Wang, Lei Wang
BACKGROUND: Radiation-induced rectovaginal fistula (RVF) is a severe and difficult complication after pelvic malignancy radiation. This study was to retrospectively compare the outcomes of restorative resection and colostomy only in remission of anorectal symptoms. METHODS: We enrolled a cohort of 26 consecutive cases who developed RVF after pelvic radiation. Two main procedures for these patients in our institution were used: one was restorative resection and pull-through coloanal anastomosis with a prophylactic colostomy, and another was a simple colostomy without resection...
February 2, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28139106/-gynecological-abnormalities-in-patients-with-rectovestibular-fistula
#15
A Vilanova-Sánchez, A Sánchez Galán, A M Andrés Moreno, J L Encinas Hernández, V Núñez Cerezo, V Amesty Morello, G Chocarro Amatrianin, L Martínez Martínez, M J Martínez-Urruta, M López Santamaría
Patients with recto vestibular fistula may have gynecological malformations that could be unnoticed at the initial examination. The aim of this paper is to demonstrate the incidence of these malformations and propose a study method to help diagnose these malformations, avoiding unnecessary surgeries. We reviewed the records of patients treated with rectovaginal fistula (RVF) in the last 18 years and studied their gynecological malformations, time at diagnosis and treatment received. Of the 39 patients treated, 5 of them (13...
April 10, 2016: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
https://www.readbyqxmd.com/read/28118988/evaluation-of-positive-rift-valley-fever-virus-formalin-fixed-paraffin-embedded-samples-as-a-source-of-sequence-data-for-retrospective-phylogenetic-analysis
#16
B Mubemba, P N Thompson, L Odendaal, P Coetzee, E H Venter
Rift Valley fever (RVF), caused by an arthropod borne Phlebovirus in the family Bunyaviridae, is a haemorrhagic disease that affects ruminants and humans. Due to the zoonotic nature of the virus, a biosafety level 3 laboratory is required for isolation of the virus. Fresh and frozen samples are the preferred sample type for isolation and acquisition of sequence data. However, these samples are scarce in addition to posing a health risk to laboratory personnel. Archived formalin-fixed, paraffin-embedded (FFPE) tissue samples are safe and readily available, however FFPE derived RNA is in most cases degraded and cross-linked in peptide bonds and it is unknown whether the sample type would be suitable as reference material for retrospective phylogenetic studies...
May 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28118263/outcomes-of-minimally-invasive-temporary-rvad-support-for-acute-right-ventricular-failure-during-minimally-invasive-lvad-implantation
#17
Andreas Schaefer, Daniel Reichart, Alexander M Bernhardt, Mathias Kubik, Markus J Barten, Florian M Wagner, Hermann Reichenspurner, Sebastian A Philipp, Tobias Deuse
Right ventricular failure (RVF) may still occur despite the benefits of minimally-invasive left ventricular assist device (MI-LVAD) implantation. Our center strategy aims to avoid aggressive postoperative inotrope use by utilizing mechanical support to facilitate RV recovery and adaptation. We herein report first outcomes of patients with minimally-invasive temporary right ventricular assist device (MI-t-RVAD) support for RVF during MI-LVAD implantation.RVF was defined as requiring more than moderate inotopic support after weaning from cardiopulmonary bypass according to INTERMACS adverse event definitions...
January 20, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28106653/outcomes-of-rectovaginal-fistula-repair
#18
Jenifer N Byrnes, Jennifer J Schmitt, Benjamin M Faustich, Kristin C Mara, Amy L Weaver, Heidi K Chua, John A Occhino
OBJECTIVES: Rectovaginal fistulae (RVF) often represent surgical challenges, and treatment must be individualized. We describe outcomes after primary surgical repair stratified by fistula etiology and surgical approach. METHODS: This retrospective cohort study included women who underwent surgical management of RVF at a tertiary care center between July 1, 2001 and December 31, 2013. Cases were stratified according to the following etiology: cancer (RVF-C), inflammatory bowel disease or infectious (RVF-I), and other (RVF-O)...
March 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28096531/the-first-imported-case-of-rift-valley-fever-in-china-reveals-a-genetic-reassortment-of-different-viral-lineages
#19
Jingyuan Liu, Yulan Sun, Weifeng Shi, Shuguang Tan, Yang Pan, Shujuan Cui, Qingchao Zhang, Xiangfeng Dou, Yanning Lv, Xinyu Li, Xitai Li, Lijuan Chen, Chuansong Quan, Qianli Wang, Yingze Zhao, Qiang Lv, Wenhao Hua, Hui Zeng, Zhihai Chen, Haofeng Xiong, Chengyu Jiang, Xinghuo Pang, Fujie Zhang, Mifang Liang, Guizhen Wu, George F Gao, William J Liu, Ang Li, Quanyi Wang
We report the first imported case of Rift Valley fever (RVF) in China. The patient returned from Angola, a non-epidemic country, with an infection of a new reassortant from different lineages of Rift Valley fever viruses (RVFVs). The patient developed multiorgan dysfunction and gradually recovered with continuous renal replacement therapy and a short regimen of methylprednisolone treatment. The disordered cytokines and chemokines in the plasma of the patient revealed hypercytokinemia, but the levels of protective cytokines were low upon admission and fluctuated as the disease improved...
January 18, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28096420/drivers-of-rift-valley-fever-epidemics-in-madagascar
#20
Renaud Lancelot, Marina Béral, Vincent Michel Rakotoharinome, Soa-Fy Andriamandimby, Jean-Michel Héraud, Caroline Coste, Andrea Apolloni, Cécile Squarzoni-Diaw, Stéphane de La Rocque, Pierre B H Formenty, Jérémy Bouyer, G R William Wint, Eric Cardinale
Rift Valley fever (RVF) is a vector-borne viral disease widespread in Africa. The primary cycle involves mosquitoes and wild and domestic ruminant hosts. Humans are usually contaminated after contact with infected ruminants. As many environmental, agricultural, epidemiological, and anthropogenic factors are implicated in RVF spread, the multidisciplinary One Health approach was needed to identify the drivers of RVF epidemics in Madagascar. We examined the environmental patterns associated with these epidemics, comparing human and ruminant serological data with environmental and cattle-trade data...
January 31, 2017: Proceedings of the National Academy of Sciences of the United States of America
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