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antibiotics elderly

Analía Rial, Florencia Ferrara, Norma Suárez, Paola Scavone, Juan Martín Marqués, José Alejandro Chabalgoity
Respiratory tract infections are among the most frequent infections in humans causing millions of deaths especially in children and the elderly. Antibiotics and vaccines are the main available tools of control, but resistant strains are continuously arising and available vaccines only account for few of many pathogens involved. Non-specific immunotherapies are an emerging alternative to induce protective immunity at the airways. Mucosally administered polyvalent bacterial lysates (PBLs) have been widely used for decades for prevention of respiratory diseases, but the bases of their proposed therapeutic effectiveness are still controversial...
October 20, 2016: Microbes and Infection
Corinne Ruppen, Laurent Decosterd, Parham Sendi
BACKGROUND: According to expert opinions, gentamicin should be administered as an adjunct to penicillin against severe group B streptococcal (GBS) infections. Whether the adjunct is important is of particular interest for elderly patients. Not only is the risk of aminoglycoside nephrotoxicity higher in elderly persons, but their immune defence to bacterial infections may also be impaired. METHOD: Time-kill assays with human blood products, such as serum, neutrophilic granulocytes (opsonophagocytic assays) and whole blood from healthy, elderly volunteers were performed to evaluate the effect of gentamicin in combination with penicillin...
October 21, 2016: Infectious Diseases
Makoto Miura, Akiko Kuwahara, Akinori Tomozawa, Naoki Omae, Motohiro Yamamori, Kaori Kadoyama, Toshiyuki Sakaeda
Objectives: A retrospective examination was conducted to identify risk factors for in-hospital mortality of elderly patients (65 years or older) treated with the beta-lactam/beta-lactamase inhibitor combination antibiotic, ampicillin/sulbactam (ABPC/SBT). Methods: Clinical data from 96 patients who were hospitalized with infectious diseases and treated with ABPC/SBT (9 g/day or 12 g/day) were analyzed. Risk factors examined included demographic and clinical laboratory parameters. Parameter values prior to treatment and changes after treatment were compared between survivors and non-survivors...
2016: International Journal of Medical Sciences
Kristen L Lokken, Gregory T Walker, Renée M Tsolis
Non-typhoidal Salmonella enterica serovars (NTS) are generally associated with gastroenteritis; however, the very young and elderly, as well as individuals with compromised immunity, are at risk of developing disseminated infection that can manifest as bacteremia or focal infections at systemic sites. Disseminated NTS infections can be fatal and are responsible for over 600,000 deaths annually. Most of these deaths are in sub-Saharan Africa, where multi-drug resistant NTS clones are currently circulating in a population with a high proportion of individuals that are susceptible to disseminated disease...
October 8, 2016: Pathogens and Disease
Markus Hoffmann, Asita Fazel, Kai-Gerrit Mews, Petra Ambrosch
OBJECTIVES: To underline the value of the microendoscopic CO2 -Laser assisted treatment (MEDCO2 ) of Zenker's diverticulum by investigating a large patient cohort treated in a single medical center. DESIGN: Retrospective Cohort Study of consecutive patients. SETTING: Dept. of Otorhinolaryngology, Head & Neck Surgery, Christian-Albrechts-University Kiel, Germany. PARTICIPANTS: 227 patients with Zenkers' diverticulum were treated by MEDCO2 and the results were compared with those reported in the literature for the open transcervical approach (OTA) and the endoscopic staple-assisted esophagodiverticulostomy (ESED)...
October 19, 2016: Clinical Otolaryngology
Rachel Mourot-Cottet, Frédéric Maloisel, François Séverac, Olivier Keller, Thomas Vogel, Martine Tebacher, Jean-Christophe Weber, Georges Kaltenbach, Jacques-Eric Gottenberg, Bernard Goichot, Jean Sibilia, Anne-Sophie Korganow, Raoul Herbrecht, Emmanuel Andrès
BACKGROUND: Little data is currently available in the literature on neutropenia and agranulocytosis in the elderly, and, to our knowledge, idiosyncratic drug-induced agranulocytosis is particularly poorly covered, or not at all. OBJECTIVE: We herein describe the clinical picture and outcome of patients aged ≥75 years with established idiosyncratic drug-induced agranulocytosis. PATIENTS AND METHODS: Data from 61 patients over 75 years old with idiosyncratic drug-induced agranulocytosis were retrospectively reviewed...
September 5, 2016: Drugs—Real World Outcomes
Santosh Kumar Singh, Seema Kumari, Minakshi Gupta
Escherichia coli mediated urinary tract infection has been reported to be most prevalent among patients of different class, gender and ages. Currently, multidrug resistant E. coli harboring several virulence factors are most perilous threats for patients especially for elders. The aim of this study was to determine the antibiotic resistance pattern, co-resistance and phenotypic virulence factors present in uropathogenic E. coli isolates from aged patients. Thirty-nine E. coli isolates were collected during May-June 2014 from patients aged 50-80 years...
October 12, 2016: Microbial Pathogenesis
Constantin Hays, Mathilde Louis, Céline Plainvert, Nicolas Dmytruk, Gérald Touak, Patrick Trieu-Cuot, Claire Poyart, Asmaa Tazi
Group B Streptococcus (GBS) is the leading cause of neonatal invasive infections and an emerging pathogen in the elderly. Our objectives were to describe the evolution of GBS resistance to antibiotics in France and to investigate the emergence of fluoroquinolone (FQ) resistant isolates. A total of 8,757 unrelated GBS isolates were collected and tested for antibiotic susceptibility from 2007 and 2014 according to EUCAST recommendations. All isolates were susceptible to penicillin G, amoxicillin, and vancomycin...
October 10, 2016: Antimicrobial Agents and Chemotherapy
Edyta K Bichler, Courtney C Elder, Paul S García
Antibiotics are used in the treatment and prevention of bacterial infections, but effects on neuron excitability have been documented. A recent study demonstrated that clarithromycin alleviates daytime sleepiness in hypersomnia patients (Trotti et al. 2014). To explore the potential application of clarithromycin as a stimulant, we performed whole cell patch clamp recordings in rat pyramidal cells from the CA3 region of hippocampus. In the presence of the antibiotic, rheobase current was reduced by 50%, F-I relationship (number of action potentials as a function of injected current) was shifted to the left, and the resting membrane potential was more depolarized...
October 12, 2016: Journal of Neurophysiology
Prabha Rajendran, Swapna Muthusamy, Vignesh K Balaji, Gerard J Rakesh, Joshy M Easow
Chryseobacterium species are gaining importance as an emerging opportunistic nosocomial pathogen. Limited availability of clinical data necessitates reporting of such isolates. We report a case of nosocomial urinary tract infection by metallo-β-lactamase-producing Chryseobacterium gleum in an elderly diabetic male with chronic renal disease. Identification and antibiotic sensitivity test performed by conventional methods were confirmed by Matrix-assisted Laser Desorption Ionization Time-of-Flight and VITEK-2 systems, respectively...
October 2016: Indian Journal of Pathology & Microbiology
Cristina Rodriguez, Bernard Taminiau, Nicolas Korsak, Véronique Avesani, Johan Van Broeck, Philippe Brach, Michel Delmée, Georges Daube
BACKGROUND: Increasing age, several co-morbidities, environmental contamination, antibiotic exposure and other intestinal perturbations appear to be the greatest risk factors for C. difficile infection (CDI). Therefore, elderly care home residents are considered particularly vulnerable to the infection. The main objective of this study was to evaluate and follow the prevalence of C. difficile in 23 elderly care home residents weekly during a 4-month period. A C. difficile microbiological detection scheme was performed along with an overall microbial biodiversity study of the faeces content by 16S rRNA gene analysis...
October 1, 2016: BMC Microbiology
Oddvar Oppegaard, Steinar Skrede, Haima Mylvaganam, Bård Reiakvam Kittang
BACKGROUND: Beta-haemolytic streptococci are important contributors to the global burden of osteoarticular infections (OAI). Knowledge on the disease traits specific for streptococcal OAI, however, remains scarce. We wished to explore temporal trends of OAI caused by Group A Streptococci (GAS), Group B Streptococci (GBS) and Group C and G Streptococci (GCGS), and furthermore, to describe the associated host and pathogen characteristics. METHODS: All cases of microbiologically verified β-haemolytic streptococcal OAI in Health Region Bergen, Norway, in the period 1999-2013 were retrospectively identified...
October 4, 2016: BMC Infectious Diseases
Marta Magaz Martínez, Aurelio Garrido Botella, Fernando Pons Renedo, Borja Oliva Del Río, Bélen Agudo Castillo, Pilar Ibarrola Arévalo, Luis Esteban Abreu García
Campylobacter infection usually starts in the jejunum and ileum and progresses distally. The case fatality rate is low and most occur in elderly or patients with comorbidity as in this case. Antibiotics should be used in severe cases or patients at risk. The choices are macrolides and fluoroquinolones. However, in some countries quinolone resistance is increasing, as in Spain. We shouldn´t forget this fact for the proper treatment approach and specifically in refractory cases.
October 2016: Revista Española de Enfermedades Digestivas
Antoni Payeras, Maria Peñaranda, Antonio Iñigo, Margarita Garau, José Luis Pérez, Carmen Gallegos, Melchor Riera
OBJECTIVES: To study the characteristics and outcomes of pneumococcal infections in patients aged ≥65 years since the authorization of the 13-valent pneumococcal conjugate vaccine (PCV-13) in Spain. METHODS: All pneumococcal pneumonias, empyemas or primary bacteraemias treated at two hospitals in Majorca from 2010 to 2015 were included. Clinical variables, serotypes, and antibiotic susceptibility were collected. RESULTS: Two hundred and forty-nine pneumonias, 11 primary bacteraemias, and 2 empyemas in 243 patients were studied; 181 (69...
August 11, 2016: Infectious Diseases
Zaw Min, Raquel R Garcia, Monika Murillo, Jeffrey M Uchin, Nitin Bhanot
Intravenous vancomycin is a widely used antibiotics, but it causes different types of cutaneous hypersensitivity reactions, ranging from maculopapular rash, red-man syndrome, drug rash with eosinophilia and systemic symptoms, IgA bullous dermatosis, leukocytoclastic vasculitis, Stevens-Johnsons syndrome, to IgE-mediated anaphylaxis. We report an elderly patient with the end-stage renal disease presented with diffuse palpable purpura while receiving IV vancomycin therapy for methicillin-resistant Staphylococcus aureus septicemia...
September 25, 2016: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
M Stravinskas, P Horstmann, J Ferguson, W Hettwer, M Nilsson, S Tarasevicius, M M Petersen, M A McNally, L Lidgren
OBJECTIVES: Deep bone and joint infections (DBJI) are directly intertwined with health, demographic change towards an elderly population, and wellbeing.The elderly human population is more prone to acquire infections, and the consequences such as pain, reduced quality of life, morbidity, absence from work and premature retirement due to disability place significant burdens on already strained healthcare systems and societal budgets.DBJIs are less responsive to systemic antibiotics because of poor vascular perfusion in necrotic bone, large bone defects and persistent biofilm-based infection...
September 2016: Bone & Joint Research
Kuang-Chun Hu, Cheng-Hsin Chu, Horng-Yuan Wang, Wen-Hsiung Chang, Shee-Chan Lin, Chuan-Chuan Liu, Wei-Chih Liao, Chun-Jen Liu, Ming-Shiang Wu, Shou-Chuan Shih
Common bile duct (CBD) stones are common in elderly adults, but the effect of aging on the presentation of CBD stones remains to be evaluated. Recent studies have demonstrated that the clinical presentation of CBD stones may vary with age. Younger adults may present with classical biliary colic symptoms, whereas elderly adults may have no unapparent clinical features. Younger adults with CBD stones were significantly more likely to have abnormal liver function tests than those without. The sensitivity and accuracy of transabdominal ultrasound scans in screening for CBD stones increases with age...
September 27, 2016: Journal of the American Geriatrics Society
Xiaoming Yuan, Guangrong Zhou, Yan He, Aiwen Feng
BACKGROUND: Epithelial dysplasia and adenomatous polyps of colorectum are precancerous lesions. Surgical removal is still one of the important treatment approaches for colorectal polyps. CASE PRESENTATION: A male patient over 78 years was admitted due to bloody stool and abdominal pain. Colonoscopic biopsy showed a high-grade epithelial dysplasia in an adenomatous polyp of sigmoid colon. Anemia, COPD, ischemic heart disease (IHD), arrhythmias, and hypoproteinemia were comorbidities...
September 26, 2016: World Journal of Surgical Oncology
Aurélien Dinh, Benjamin Davido, Jérôme Salomon, Jean-Laurent Le Quintrec, Laurent Teillet
Due to the high risk of infection, the geriatric population is regularly subjected to antibiotics. Faced with bacterial resistance, particularly among elderly dependent patients, it is essential to promote proper use and correct prescription of antibiotics. A study evaluated antibiotic prescription in a geriatric hospital with 598 beds and highlighted the importance of collaboration between geriatricians and infectious disease specialists.
September 2016: Soins. Gérontologie
Edson Yukio Komiyama, Laura Soares Souto Lepesqueur, Cinthia Gomes Yassuda, Lakshman P Samaranayake, Nipuna B Parahitiyawa, Ivan Balducci, Cristiane Yumi Koga-Ito
Enterococci are considered as transient constituent components of the oral microbiome that may cause a variety of oral and systemic infections. As there is sparse data on the oral enterococcal prevalence, we evaluated the Enterococcus spp. and their virulence attributes including antimicrobial resistance in a healthy Brazilian cohort. A total of 240 individuals in different age groups were studied (children 4-11 yrs, adolescents 12-17 yrs, young adults 18-29 yrs, adults 30-59 yrs, elderly over 60 yrs). Oral rinses were collected and isolates were identified by API 20 Strep and confirmed by 16S rDNA sequencing...
2016: PloS One
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