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https://www.readbyqxmd.com/read/29176770/high-trypanosoma-spp-diversity-is-maintained-by-bats-and-triatomines-in-esp%C3%A3-rito-santo-state-brazil
#1
Maria Augusta Dario, Cristiane Varella Lisboa, Luciana M Costa, Ricardo Moratelli, Monique Pereira Nascimento, Leonora Pires Costa, Yuri Luiz Reis Leite, Martin S Llewellyn, Samanta Cristina das Chagas Xavier, André Luiz Rodrigues Roque, Ana Maria Jansen
The aim of this study was to reevaluate the ecology of an area in the Atlantic Forest, southeast Brazil, where Chagas disease (CD) has been found to occur. In a previous study, immediately after the occurrence of a CD case, we did not observe any sylvatic small mammals or dogs with Trypanosoma cruzi cruzi infections, but Triatoma vitticeps presented high T. c. cruzi infection rates. In this study, we investigated bats together with non-volant mammals, dogs, and triatomines to explore other possible T. c. cruzi reservoirs/hosts in the area...
2017: PloS One
https://www.readbyqxmd.com/read/29144219/trypanosoma-sp-diversity-in-amazonian-bats-chiroptera-mammalia-from-acre-state-brazil
#2
Francisco C B Dos Santos, Cristiane V Lisboa, Samanta C C Xavier, Maria A Dario, Rair de S Verde, Armando M Calouro, André Luiz R Roque, Ana M Jansen
Bats are ancient hosts of Trypanosoma species and their flying ability, longevity and adaptability to distinct environments indicate that they are efficient dispersers of parasites. Bats from Acre state (Amazon Biome) were collected in four expeditions conducted in an urban forest (Parque Zoobotânico) and one relatively more preserved area (Seringal Cahoeira) in Rio Branco and Xapuri municipalities. Trypanosoma sp. infection was detected by hemoculture and fresh blood examination. Isolated parasite species were identified by the similarity of the obtained DNA sequence from 18S rDNA polymerase chain reaction and reference strains...
November 16, 2017: Parasitology
https://www.readbyqxmd.com/read/29050737/-lead-related-infective-endocarditis-with-massive-vegetation-causing-severe-functionnal-tricuspid-stenosis
#3
F Aboukhoudir, V Boulet, S Rekik, M Pansieri
Lead-related infective endocarditis with negative hemocultures constitutes a severe condition potentially associated with a pejorative prognosis. It may induce a functional tricuspid stenosis caused by an important obstructive vegetation. We report the case of an 82 year-old woman in whom the lead-related endocarditis produced massive vegetation causing a severe functional tricuspid stenosis. We describe the medical history, diagnosis and treatment.
November 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/28933178/-nosocomial-pneumonia
#4
Jana Skřičková
Nosocomial pneumonia (hospital-acquired pneumonia - HAP) is the form of pneumonia the symptoms of which present after more than 2 days (> 48 hours) of admission to hospital or as late as 14 days of discharge from hospital. The HAP pneumonias represent 13-18 % of all nosocomial infections. Incidence of HAP is the most frequent in mechanically ventilated patients. The type and representation of HAP agents primarily depends on the length of a patients stay in hospital and on their condition and character of treatment...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28746445/bat-trypanosomes-from-tapaj%C3%A3-s-arapiuns-extractive-reserve-in-brazilian-amazon
#5
Bruno Bernal Szpeiter, Juliana Isabel Giuli da Silva Ferreira, Francisco Flávio Vieira de Assis, Felipe Nascimento Stelmachtchuk, Kleber da Cunha Peixoto, Daniel Ajzenberg, Antonio Humberto Hammad Minervino, Solange Maria Gennari, Arlei Marcili
Trypanosoma comprises flagellates able to infect several mammalian species and is transmitted by several groups of invertebrates. The order Chiroptera can be infected by the subgenera Herpetosoma, Schizotrypanum, Megatrypanum and Trypanozoon. In this study, we described the diversity of bat trypanosomes and inferred phylogenetic relationships among the trypanosomes from bats caught in Tapajós-Arapiuns Extractive Reserve (Resex) in Pará state. Trypanosomes from bats were isolated by means of hemoculture, and the molecular phylogeny was based on the trypanosome barcode (SSUrDNA V7V8 variable region)...
April 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28616544/dental-care-before-cardiac-valve-surgery-is-it-important-to-prevent-infective-endocarditis
#6
Alessandra Figueiredo de Souza, Amanda Leal Rocha, Wagner Henriques Castro, Fernanda Morais Ferreira, Claudio Léo Gelape, Denise Vieira Travassos, Tarcília Aparecida da Silva
BACKGROUND: Infective endocarditis (IE) is a serious disease that affects the surface of the endocardium. The spread of microorganisms from the oral cavity has been associated with the occurrence of IE. OBJECTIVE: To analyze whether dental treatment before cardiac valve surgery (CVS) influenced the occurrence of IE. METHODS: We performed a retrospective analysis of the medical and dental histories of patients undergoing CVS from 2004 to 2014...
September 2016: IJC Heart & Vasculature
https://www.readbyqxmd.com/read/28587428/early-diagnosis-of-bacterial-infection-in-patients-with-septicopyemia-by-laboratory-analysis-of-pct-crp-and-il-6
#7
Liqin Gao, Xinghui Liu, Denghai Zhang, Fengxia Xu, Qing Chen, Ye Hong, Gang Feng, Qin Shi, Bin Yang, Limin Xu
The aim of the present study was to investigate the early diagnostic values of measuring procalcitonin (PCT), C-reactive protein (CRP), and interleukin-6 (lL-6) levels in patients with bacterial infections and septicopyemia. Ninety-two patients with septicopyemia who were diagnosed and treated in the First Affiliated Hospital of Fujian Medical University between December 2012 and October 2013 were randomly selected. Based on results of hemoculture, the patients were divided into the Gram-negative bacterial infection group (n=47) and the Gram-positive bacterial infection group (n=45)...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28471978/septicemia-and-pneumonia-due-to-mycobacterium-fortuitum-infection-in-a-patient-with-extronodal-nk-t-cell-lymphoma-nasal-type-a-case-report
#8
Jia Cong, Chenxi Wang, Li Ma, Shaoya Zhang, Jingwen Wang
RATIONALE: Mycobacterium fortuitum (M.fortuitum) is one of the rapidly growing nontuberculous mycobacterium (NTM) that is widespread in the environment. M.fortuitum can cause different types of disease including pulmonary disease, lymphadenitis, cutaneous disease, and disseminated disease. However, the infection presenting as septicemia is exceedingly rare. PATIENT CONCERNS: A 48-year-old immunocompromised male with extranodal NK/T-cell lymphoma, nasal type was admitted to the hospital because of high fever for 10 days...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28327800/trypanosoma-cruzi-i-genotype-among-isolates-from-patients-with-chronic-chagas-disease-followed-at-the-evandro-chagas-national-institute-of-infectious-diseases-fiocruz-brazil
#9
Tatiana da Silva Fonseca de Oliveira, Barbara Neves Dos Santos, Tainah Silva Galdino, Alejandro Marcel Hasslocher-Moreno, Otilio Machado Pereira Bastos, Maria Auxiliadora de Sousa
INTRODUCTION: Trypanosoma cruzi is the etiologic agent of Chagas disease in humans, mainly in Latin America. Trypanosome stocks were isolated by hemoculture from patients followed at Evandro Chagas National Institute of Infectious Diseases (FIOCRUZ) and studied using different approaches. METHODS: For species and genotype identification, the stocks were analyzed by parasitological techniques, polymerase chain reaction assays targeted to specific DNA sequences, isoenzyme patterns, besides sequencing of a polymorphic locus of TcSC5D gene (one stock)...
January 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28320630/early-polymerase-chain-reaction-detection-of-chagas-disease-reactivation-in-heart-transplant-patients
#10
Priscilla Almeida da Costa, Marcela Segatto, Danielle Fernandes Durso, Wagson José de Carvalho Moreira, Lucas Lodi Junqueira, Fábio Morato de Castilho, Silvio Amadeu de Andrade, Cláudio Léo Gelape, Egler Chiari, Andréa Teixeira-Carvalho, Sergio Danilo Junho Pena, Carlos Renato Machado, Gloria Regina Franco, Geraldo Brasileiro Filho, Maria da Consolação Vieira Moreira, Andréa Mara Macedo
BACKGROUND: Heart transplantation is a valuable therapeutic option for Chagas disease patients with severe cardiomyopathy. During patient follow-up, the differential diagnosis between cardiac transplant rejection and Chagas disease infection reactivation remains a challenging task, which hinders rapid implementation of the appropriate treatment. Herein we investigate whether polymerase chain reaction (PCR) strategies could facilitate early detection of Trypanosoma cruzi (T cruzi) in transplanted endomyocardial biopsies (EMBs)...
July 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28295355/frequency-of-trypanosoma-cruzi-parasitemia-among-infected-blood-donors-with-a-potential-association-between-parasite-lineage-and-transfusion-transmission
#11
David A Leiby, Megan L Nguyen, Melanie C Proctor, Rebecca L Townsend, Susan L Stramer
BACKGROUND: Trypanosoma cruzi is endemic to the Americas where it demonstrates multiple lineages over a vast geographic range (i.e., United States to Argentina). These lineages possess divergent geographic and biologic characteristics, including variations in disease manifestations. Herein, we report the frequency of parasitemia among seropositive US blood donors and the potential association between parasite lineage and transfusion transmission. STUDY DESIGN AND METHODS: Blood donors identified as T...
June 2017: Transfusion
https://www.readbyqxmd.com/read/28268063/human-escherichia-coli-isolates-from-hemocultures-septicemia-linked-to-urogenital-tract-infections-is-caused-by-isolates-harboring-more-virulence-genes-than-bacteraemia-linked-to-other-conditions
#12
COMPARATIVE STUDY
Lenka Micenková, Alžbeta Beňová, Lucia Frankovičová, Juraj Bosák, Martin Vrba, Alena Ševčíková, Marta Kmeťová, David Šmajs
Escherichia coli is the most common cause of bloodstream infections and community-acquired sepsis. The main aim of this study was to determine virulence characteristics of E. coli isolates from hemocultures of patients with a primary disease of urogenital tract, digestive system, a neoplastic blood disease, or other conditions. Results from a set of 314 E. coli isolates from hemocultures were compared to data from a previously published analysis of 1283 fecal commensal E. coli isolates. Genetic profiling of the 314 E...
April 2017: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/28251028/empyema-due-to-streptococcus-pneumoniae-serotype-9v-in-a-child-immunized-with-13-valent-conjugated-pneumococcal-vaccine
#13
Murat Sütçü, Hacer Aktürk, Fatih Karagözlü, Ayper Somer, Nezahat Gürler, Nuran Salman
BACKGROUND: Clinical vaccine failure is the occurence of the specific vaccine-preventable disease in an appropriately and fully vaccinated person after enough time has elapsed for protection against the antigens of the vaccine to develop. Fully immunized cases with pneumoccal vaccine may sometimes develop a complicated pneumonia with empyema caused by a vaccine serotype. CASE REPORT: A 2 year-old male patient was admitted with the complaints of fever. On the basis of findings and laboratory results, the patient was diagnosed as having empyema...
January 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28222703/comparison-of-methods-for-identifying-causative-bacterial-microorganisms-in-presumed-acute-endophthalmitis-conventional-culture-blood-culture-and-pcr
#14
COMPARATIVE STUDY
Pear Pongsachareonnont, Worawalun Honglertnapakul, Tanittha Chatsuwan
BACKGROUND: Identification of bacterial pathogens in endophthalmitis is important to inform antibiotic selection and treatment decisions. Hemoculture bottles and polymerase chain reaction (PCR) analysis have been proposed to offer good detection sensitivity. This study compared the sensitivity and accuracy of a blood culture system, a PCR approach, and conventional culture methods for identification of causative bacteria in cases of acute endophthalmitis. METHODS: Twenty-nine patients with a diagnosis of presumed acute bacterial endophthalmitis who underwent vitreous specimen collection at King Chulalongkorn Memorial Hospital were enrolled in this study...
February 21, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27969038/the-effect-of-nursing-care-protocol-on-the-prevention-of-central-venous-catheter-related-infections-in-neurosurgery-intensive-care-unit
#15
Hatice Kaya, Yüksel Turan, Sade Akbal, Keziban Tosun, Esra Aksoy, Yusuf Tunalı, Gülsün Özdemir Aydın
PURPOSE: This clinical study was planned to determine the effect of Nursing Care Protocol on the prevention of central venous catheter-related infections in neurosurgery intensive care unit. METHOD: The study was conducted between January 2012 and December 2013. The sampling consisted of 160 patients compatible with study inclusion criteria (80 protocol and 80 control patients). Routine care was applied to the control group while the protocol group received catheter care according to the protocol formed in accordance with the suggestions of the Centers for Disease Control and Prevention...
November 2016: Applied Nursing Research: ANR
https://www.readbyqxmd.com/read/27922236/microorganisms-isolated-from-cultures-and-infection-focus-and-antibiotic-treatments-in-febrile-neutropenic-children-from-%C3%A5-anl%C3%A4-urfa-turkey
#16
Z Canan Özdemir, Ahmet Koç, Ali Ayçiçek
Chemotherapy induced febrile neutropenia predisposes patients to life threatening infections. We aimed to determine the causative microorganisms, infection focus and antibiotic treatment success in febrile neutropenic children with leukemia. A total of 136 febrile neutropenic episodes in 48 leukemic children were reviewed retrospectively from records. Among 136 febrile neutropenic episodes, 68 (50%) episodes were microbiologically documented. Methicillin sensitive coagulase (-) Staphylococcus aureus were the most common isolates from hemoculture (20...
2016: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27876646/outcome-of-oral-infection-in-mice-inoculated-with-trypanosoma-cruzi-iv-of-the-western-brazilian-amazon
#17
Ana Paula Margioto Teston, Ana Paula de Abreu, Camila Piva Abegg, Mônica Lúcia Gomes, Max Jean de Ornelas Toledo
A new epidemiological view of American trypanosomiasis or Chagas disease has been formulated in recent decades. Oral transmission of the etiological agent of Chagas disease, Trypanosoma cruzi, has been the most common form of transmission. The T. cruzi discrete typing units TcI and TcIV have been involved in tens outbreaks of acute cases of Chagas disease in the Brazilian Amazon region. We investigated the intensity of infection in mice that were orally inoculated (OR group) with four strains of TcIV that were isolated from two outbreaks of acute Chagas disease that was orally acquired in the state of Amazonas, Brazil...
February 2017: Acta Tropica
https://www.readbyqxmd.com/read/27580853/ecological-scenario-and-trypanosoma%C3%A2-cruzi-dtu-characterization-of-a-fatal-acute-chagas-disease-case-transmitted-orally-esp%C3%A3-rito-santo-state-brazil
#18
Maria Augusta Dario, Marina Silva Rodrigues, Juliana Helena da Silva Barros, Samanta Cristina das Chagas Xavier, Paulo Sérgio D'Andrea, André Luiz Rodrigues Roque, Ana Maria Jansen
BACKGROUND: Trypanosoma cruzi infection via oral route results in outbreaks or cases of acute Chagas disease (ACD) in different Brazilian regions and poses a novel epidemiological scenario. In the Espírito Santo state (southeastern Brazil), a fatal case of a patient with ACD led us to investigate the enzootic scenario to avoid the development of new cases. At the studied locality, Triatoma vitticeps exhibited high T. cruzi infection rates and frequently invaded residences. METHODS: Sylvatic and domestic mammals in the Rio da Prata locality, where the ACD case occurred, and in four surrounding areas (Baia Nova, Buenos Aires, Santa Rita and Todos os Santos) were examined and underwent parasitological and serological tests...
August 31, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27523013/an-intrinsic-strain-of-colistin-resistant-acinetobacter-isolated-from-a-japanese-patient
#19
Etsuko Takizawa, Koichi Yamada, Ken-Ichi Oinuma, Kanako Sato, Mamiko Niki, Hiroki Namikawa, Hiroki Fujimoto, Kazuhisa Asai, Yukihiro Kaneko, Hiroshi Kakeya
We herein report the first domestic case of bacteremia caused by an intrinsic strain of colistin-resistant Acinetobacter. The Acinetobacter species was detected in the hemocultures in a febrile patient. The patient was a 65-year-old-man who was admitted to our hospital for laparotomic gastrostomy. The patient's antimicrobial susceptibility patterns were atypical; they were colistin resistant but not multiple drug resistant. A sequence analysis of rpoB identified the bacterium as an Acinetobacter genomic species 13BJ/14TU, which had only been previously reported in South Korea...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27506070/-abiotrophia-defectiva-an-unusual-cause-of-endocarditis
#20
Frédéric Baroz, Priscile Clément, Monica Levy, Hervé Duplain
This article reports one of the rare cases of Abiotrophia defectiva endocarditis with no underlying valvular condition. A sixty-three years old man was hospitalized because of complicated respiratory sepsis with acute heart failure. Hemocultures and echocardiogram enabled the diagnosis of A. defectiva endocarditis. The clinical course was favorable under combined aminoglycoside and cephalosporin. The patient ultimately required valvular replacement. A. defectiva is a micro-organism part of the Nutritionnaly Variant Streptococci (NVS) associated with a high mortality rate and often resistant to antibiotics...
June 22, 2016: Revue Médicale Suisse
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