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1.
Am J Transplant ; 24(4): 653-668, 2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-37977229

RESUMEN

Solid organ transplant recipients (SOTRs) frequently receive adjunctive glucocorticoid therapy (AGT) for Pneumocystis jirovecii pneumonia (PJP). This multicenter cohort of SOTRs with PJP admitted to 20 transplant centers in Canada, the United States, Europe, and Australia, was examined for whether AGT was associated with a lower rate of all-cause intensive care unit (ICU) admission, 90-day death, or a composite outcome (ICU admission or death). Of 172 SOTRs with PJP (median [IQR] age: 60 (51.5-67.0) years; 58 female [33.7%]), the ICU admission and death rates were 43.4%, and 20.8%, respectively. AGT was not associated with a reduced risk of ICU admission (adjusted odds ratio [aOR] [95% CI]: 0.49 [0.21-1.12]), death (aOR [95% CI]: 0.80 [0.30-2.17]), or the composite outcome (aOR [95% CI]: 0.97 [0.71-1.31]) in the propensity score-adjusted analysis. AGT was not significantly associated with at least 1 unit of the respiratory portion of the Sequential Organ Failure Assessment score improvement by day 5 (12/37 [32.4%] vs 39/111 [35.1%]; P = .78). We did not observe significant associations between AGT and ICU admission or death in SOTRs with PJP. Our findings should prompt a reevaluation of routine AGT administration in posttransplant PJP treatment and highlight the need for interventional studies.


Asunto(s)
Trasplante de Órganos , Pneumocystis carinii , Neumonía por Pneumocystis , Femenino , Humanos , Persona de Mediana Edad , Europa (Continente) , Glucocorticoides/uso terapéutico , Trasplante de Órganos/efectos adversos , Neumonía por Pneumocystis/tratamiento farmacológico , Neumonía por Pneumocystis/etiología , Estudios Retrospectivos , Receptores de Trasplantes , Masculino , Anciano
2.
J Antimicrob Chemother ; 78(3): 599-612, 2023 03 02.
Artículo en Inglés | MEDLINE | ID: mdl-36691839

RESUMEN

BACKGROUND: Beta-lactam antibiotics are the mainstay of therapy for most bacterial causes of infective endocarditis (IE). Traditionally considered as agents with a broad therapeutic index, there is increasing recognition that standard doses may be subtherapeutic or toxic in critically ill patients. Optimizing therapy for efficacy requires a defined pharmacokinetic (PK)/pharmacodynamic (PD) target associated with clinical and microbiological cure. OBJECTIVES: To elucidate the factors that influence beta-lactam PK and PD variability in IE and to examine optimal PK/PD target parameters for therapy. METHODS: The review was conducted in accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Clinical and laboratory in vivo animal or human studies examining PK and/or PD of beta-lactam antibiotics in IE were eligible. Ovid MEDLINE, Embase and Cochrane Central Registry were searched using defined terms. The Office of Health Assessment and Translation (OHAT) tool was used for assessing risk of bias. RESULTS: From 2677 abstracts, 62 articles were selected for review and synthesis, comprising: 45 animal studies investigating the broad categories of beta-lactam diffusion into vegetations, PK/PD determinants of outcome, mode of antibiotic delivery and synergistic impact of agents; and 17 human studies totalling 347 participants. Findings supported the importance of time-dependent killing for beta-lactams but heterogeneous data limited the determination of an optimal PK/PD target for IE treatment. CONCLUSION: Beta-lactam PK and PD in endocarditis are variable and specific to the particular antibiotic-organism combination. Time-dependent killing is important, consistent with non-endocarditis studies, but there is little agreement on optimal drug exposure. Clinical studies examining PK/PD targets in endocarditis are required to further inform drug selection and dosing.


Asunto(s)
Endocarditis Bacteriana , beta-Lactamas , Animales , Humanos , beta-Lactamas/uso terapéutico , Antibacterianos/farmacología , Endocarditis Bacteriana/tratamiento farmacológico , Monobactamas , Enfermedad Crítica/terapia
3.
Intern Med J ; 52(2): 214-222, 2022 02.
Artículo en Inglés | MEDLINE | ID: mdl-34490712

RESUMEN

BACKGROUND: The COVID-19 pandemic has generated significant debate about how emerging infections can be treated in the absence of evidence-based therapies to combat disease. In particular, the use of off-label therapies outside of a clinical trial setting has been controversial. AIM: To longitudinally study policies and prescribing practices pertaining to therapies for COVID-19 in Australian health services during 2020. METHODS: Prospective data were collected from participating Australian health services who may care for patients with COVID-19 via an electronic portal. A single informant from each health service was emailed a survey link at regular intervals. Information was sought regarding changes to COVID-19 policy at their service and use of therapies for COVID-19. RESULTS: Overall, 78 hospitals were represented from 39 respondents with longitudinal data collection from May to December 2020. All Australian states/territories were represented with the majority (34/39; 87%) of respondents located in a major city. Just over half (20/39) of respondents had a written policy for COVID-19 therapy use at their health service at survey enrolment and policies changed frequently throughout the pandemic. Therapy use outside of a clinical trial was reported in 54% of health services, most frequently in Victoria, correlating with higher numbers of COVID-19 cases. At study commencement, hydroxychloroquine was most frequently used, with corticosteroids and remdesivir use increasingly throughout the study period. CONCLUSION: Our results reflect the reactive nature of prescribing of therapies for COVID-19 and highlight the importance of evidence-based guidelines to assist prescribers.


Asunto(s)
COVID-19 , Australia/epidemiología , Servicios de Salud , Humanos , Pandemias , Políticas , Estudios Prospectivos , SARS-CoV-2 , Encuestas y Cuestionarios
4.
Intern Med J ; 51(9): 1497-1504, 2021 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-33474821

RESUMEN

BACKGROUND: Hospital in the Home (HITH) provides home-based care by hospital staff, which reduces inpatient length of stay and promotes a better quality of life. The frequency and precipitants for readmission from HITH back to the acute inpatient service are currently poorly defined. AIMS: To determine the incidence of hospital readmissions and risk factors for readmissions in a HITH programme of a large hospital network. METHODS: We conducted a retrospective cohort study of adult patients admitted to a large HITH service within a hospital network in Victoria, Australia, from 1 July to 30 September 2017. We used logistic regression to determine if patient characteristics or specific clinical factors were associated with hospital readmission. RESULTS: In a cohort of 605 patients under HITH, 72 were readmitted (incidence 11.9%). The median duration under HITH prior to readmission was 7 days (interquartile range, 3-23 days). Most readmissions were due to treatment failure, an associated complication or new clinical problem. In the univariable analysis, older age, direct admission from the emergency department (ED), recent intensive care admission, high Charlson comorbidity index, advanced chronic kidney disease, negative pressure wound therapy and use of antihypertensives were factors associated with readmission. In the multivariable analysis, the variables independently associated with readmissions were the Charlson comorbidity index (odds ratio, OR 1.17, 95% CI: 1.08-1.25) and referrals from the ED (OR 0.18, 95% CI: 0.06-0.58). CONCLUSIONS: Older age and greater comorbidity increased the odds of readmission, but patients from the ED were low risk compared to inpatient referrals.


Asunto(s)
Readmisión del Paciente , Calidad de Vida , Adulto , Anciano , Hospitales , Humanos , Incidencia , Tiempo de Internación , Estudios Retrospectivos , Victoria/epidemiología
5.
Intern Med J ; 50(10): 1267-1271, 2020 10.
Artículo en Inglés | MEDLINE | ID: mdl-32945570

RESUMEN

During a pandemic when hospitals are stretched and patients need isolation, the role of hospital-in-the-home (HITH) providing acute medical care at home has never been more relevant. We aimed to define and address the challenges to acute home care services posed by the COVID-19 pandemic. Planning for service operation involves staffing, equipment availability and cleaning, upskilling in telehealth and communication. Planning for clinical care involves maximising cohorts of patients without COVID-19 and new clinical pathways for patients with COVID-19. The risk of SARS-CoV-2 transmission, specific COVID-19 clinical pathways and the well-being of patients and staff should be addressed in advance.


Asunto(s)
Infecciones por Coronavirus/epidemiología , Infecciones por Coronavirus/terapia , Servicios de Atención de Salud a Domicilio/organización & administración , Neumonía Viral/epidemiología , Neumonía Viral/terapia , Australasia/epidemiología , Betacoronavirus , COVID-19 , Comunicación , Equipos y Suministros de Hospitales/provisión & distribución , Fuerza Laboral en Salud/organización & administración , Humanos , Control de Infecciones/organización & administración , Exposición Profesional/prevención & control , Pandemias , Atención Dirigida al Paciente/organización & administración , SARS-CoV-2 , Carga de Trabajo
6.
JAMA ; 323(6): 527-537, 2020 02 11.
Artículo en Inglés | MEDLINE | ID: mdl-32044943

RESUMEN

Importance: Methicillin-resistant Staphylococcus aureus (MRSA) bacteremia is associated with mortality of more than 20%. Combining standard therapy with a ß-lactam antibiotic has been associated with reduced mortality, although adequately powered randomized clinical trials of this intervention have not been conducted. Objective: To determine whether combining an antistaphylococcal ß-lactam with standard therapy is more effective than standard therapy alone in patients with MRSA bacteremia. Design, Setting, and Participants: Open-label, randomized clinical trial conducted at 27 hospital sites in 4 countries from August 2015 to July 2018 among 352 hospitalized adults with MRSA bacteremia. Follow-up was complete on October 23, 2018. Interventions: Participants were randomized to standard therapy (intravenous vancomycin or daptomycin) plus an antistaphylococcal ß-lactam (intravenous flucloxacillin, cloxacillin, or cefazolin) (n = 174) or standard therapy alone (n = 178). Total duration of therapy was determined by treating clinicians and the ß-lactam was administered for 7 days. Main Outcomes and Measures: The primary end point was a 90-day composite of mortality, persistent bacteremia at day 5, microbiological relapse, and microbiological treatment failure. Secondary outcomes included mortality at days 14, 42, and 90; persistent bacteremia at days 2 and 5; acute kidney injury (AKI); microbiological relapse; microbiological treatment failure; and duration of intravenous antibiotics. Results: The data and safety monitoring board recommended early termination of the study prior to enrollment of 440 patients because of safety. Among 352 patients randomized (mean age, 62.2 [SD, 17.7] years; 121 women [34.4%]), 345 (98%) completed the trial. The primary end point was met by 59 (35%) with combination therapy and 68 (39%) with standard therapy (absolute difference, -4.2%; 95% CI, -14.3% to 6.0%). Seven of 9 prespecified secondary end points showed no significant difference. For the combination therapy vs standard therapy groups, all-cause 90-day mortality occurred in 35 (21%) vs 28 (16%) (difference, 4.5%; 95% CI, -3.7% to 12.7%); persistent bacteremia at day 5 was observed in 19 of 166 (11%) vs 35 of 172 (20%) (difference, -8.9%; 95% CI, -16.6% to -1.2%); and, excluding patients receiving dialysis at baseline, AKI occurred in 34 of 145 (23%) vs 9 of 145 (6%) (difference, 17.2%; 95% CI, 9.3%-25.2%). Conclusions and Relevance: Among patients with MRSA bacteremia, addition of an antistaphylococcal ß-lactam to standard antibiotic therapy with vancomycin or daptomycin did not result in significant improvement in the primary composite end point of mortality, persistent bacteremia, relapse, or treatment failure. Early trial termination for safety concerns and the possibility that the study was underpowered to detect clinically important differences in favor of the intervention should be considered when interpreting the findings. Trial Registration: ClinicalTrials.gov Identifier: NCT02365493.


Asunto(s)
Antibacterianos/uso terapéutico , Bacteriemia/tratamiento farmacológico , Daptomicina/uso terapéutico , Staphylococcus aureus Resistente a Meticilina , Infecciones Estafilocócicas/tratamiento farmacológico , Vancomicina/uso terapéutico , beta-Lactamas/uso terapéutico , Adulto , Anciano , Antibacterianos/efectos adversos , Bacteriemia/microbiología , Bacteriemia/mortalidad , Cefazolina/uso terapéutico , Cloxacilina/uso terapéutico , Quimioterapia Combinada , Endocarditis Bacteriana/tratamiento farmacológico , Femenino , Floxacilina/uso terapéutico , Estudios de Seguimiento , Humanos , Masculino , Persona de Mediana Edad , Infecciones Estafilocócicas/microbiología , Infecciones Estafilocócicas/mortalidad , Insuficiencia del Tratamiento , beta-Lactamas/efectos adversos
7.
Nephrology (Carlton) ; 24(5): 569-574, 2019 May.
Artículo en Inglés | MEDLINE | ID: mdl-29660203

RESUMEN

AIM: Our aim was threefold: first, to determine the incidence of active TB in our cohort, second to investigate the risk factors for active TB and third, to understand current screening practices. The ultimate goal was to use our findings to inform development of local and national guidelines. METHODS: The records of all adult patients who underwent renal transplantation at our centre from 2005 to 2014 were retrospectively reviewed to assess current screening practices, the risks for and burden of active TB. RESULTS: A total of 660 individuals underwent renal transplantation during this period, totalling 3647 person years of follow up. Two patients were diagnosed with active TB after renal transplant, resulting in an incidence of 55 per 100 000 person-years. Of 656 transplant recipients, 102 (15.5%) were born in high TB incidence countries and 89 (13.5%) had an interferon gamma release assay (IGRA) at any point. Individuals born in high TB risk countries had a much higher incidence of active TB (353 per 100 000 person-years). Ten individuals had positive IGRA tests, of whom two were treated for active TB, two received chemoprophylaxis and six were not treated. CONCLUSIONS: In the absence of formal guidelines, IGRA-based screening for LTBI was infrequently performed. Our data suggest that screening and treatment of renal transplant recipients born in high incidence countries is an important preventive measure.


Asunto(s)
Trasplante de Riñón/efectos adversos , Tuberculosis Latente/microbiología , Mycobacterium tuberculosis/patogenicidad , Infecciones Oportunistas/microbiología , Adulto , Emigrantes e Inmigrantes , Emigración e Inmigración , Femenino , Humanos , Huésped Inmunocomprometido , Inmunosupresores/efectos adversos , Incidencia , Ensayos de Liberación de Interferón gamma , Tuberculosis Latente/diagnóstico , Tuberculosis Latente/inmunología , Masculino , Persona de Mediana Edad , Mycobacterium tuberculosis/inmunología , Infecciones Oportunistas/diagnóstico , Infecciones Oportunistas/inmunología , Valor Predictivo de las Pruebas , Estudios Retrospectivos , Medición de Riesgo , Factores de Riesgo , Victoria/epidemiología
8.
JAMA ; 320(10): 984-994, 2018 09 11.
Artículo en Inglés | MEDLINE | ID: mdl-30208454

RESUMEN

Importance: Extended-spectrum ß-lactamases mediate resistance to third-generation cephalosporins (eg, ceftriaxone) in Escherichia coli and Klebsiella pneumoniae. Significant infections caused by these strains are usually treated with carbapenems, potentially selecting for carbapenem resistance. Piperacillin-tazobactam may be an effective "carbapenem-sparing" option to treat extended-spectrum ß-lactamase producers. Objectives: To determine whether definitive therapy with piperacillin-tazobactam is noninferior to meropenem (a carbapenem) in patients with bloodstream infection caused by ceftriaxone-nonsusceptible E coli or K pneumoniae. Design, Setting, and Participants: Noninferiority, parallel group, randomized clinical trial included hospitalized patients enrolled from 26 sites in 9 countries from February 2014 to July 2017. Adult patients were eligible if they had at least 1 positive blood culture with E coli or Klebsiella spp testing nonsusceptible to ceftriaxone but susceptible to piperacillin-tazobactam. Of 1646 patients screened, 391 were included in the study. Interventions: Patients were randomly assigned 1:1 to intravenous piperacillin-tazobactam, 4.5 g, every 6 hours (n = 188 participants) or meropenem, 1 g, every 8 hours (n = 191 participants) for a minimum of 4 days, up to a maximum of 14 days, with the total duration determined by the treating clinician. Main Outcomes and Measures: The primary outcome was all-cause mortality at 30 days after randomization. A noninferiority margin of 5% was used. Results: Among 379 patients (mean age, 66.5 years; 47.8% women) who were randomized appropriately, received at least 1 dose of study drug, and were included in the primary analysis population, 378 (99.7%) completed the trial and were assessed for the primary outcome. A total of 23 of 187 patients (12.3%) randomized to piperacillin-tazobactam met the primary outcome of mortality at 30 days compared with 7 of 191 (3.7%) randomized to meropenem (risk difference, 8.6% [1-sided 97.5% CI, -∞ to 14.5%]; P = .90 for noninferiority). Effects were consistent in an analysis of the per-protocol population. Nonfatal serious adverse events occurred in 5 of 188 patients (2.7%) in the piperacillin-tazobactam group and 3 of 191 (1.6%) in the meropenem group. Conclusions and relevance: Among patients with E coli or K pneumoniae bloodstream infection and ceftriaxone resistance, definitive treatment with piperacillin-tazobactam compared with meropenem did not result in a noninferior 30-day mortality. These findings do not support use of piperacillin-tazobactam in this setting. Trial Registration: anzctr.org.au Identifiers: ACTRN12613000532707 and ACTRN12615000403538 and ClinicalTrials.gov Identifier: NCT02176122.


Asunto(s)
Antibacterianos/uso terapéutico , Bacteriemia/mortalidad , Infecciones por Escherichia coli/tratamiento farmacológico , Infecciones por Klebsiella/tratamiento farmacológico , Klebsiella pneumoniae , Ácido Penicilánico/análogos & derivados , Tienamicinas/uso terapéutico , Adulto , Anciano , Antibacterianos/efectos adversos , Antibacterianos/farmacología , Bacteriemia/tratamiento farmacológico , Causas de Muerte , Ceftriaxona/farmacología , Farmacorresistencia Bacteriana , Escherichia coli/efectos de los fármacos , Infecciones por Escherichia coli/mortalidad , Femenino , Humanos , Infecciones por Klebsiella/mortalidad , Klebsiella pneumoniae/efectos de los fármacos , Masculino , Meropenem , Persona de Mediana Edad , Ácido Penicilánico/efectos adversos , Ácido Penicilánico/uso terapéutico , Piperacilina/efectos adversos , Piperacilina/uso terapéutico , Combinación Piperacilina y Tazobactam , Tienamicinas/efectos adversos
9.
Proc Natl Acad Sci U S A ; 111(15): 5694-9, 2014 Apr 15.
Artículo en Inglés | MEDLINE | ID: mdl-24706808

RESUMEN

Escherichia coli sequence type 131 (ST131) is a globally disseminated, multidrug resistant (MDR) clone responsible for a high proportion of urinary tract and bloodstream infections. The rapid emergence and successful spread of E. coli ST131 is strongly associated with several factors, including resistance to fluoroquinolones, high virulence gene content, the possession of the type 1 fimbriae FimH30 allele, and the production of the CTX-M-15 extended spectrum ß-lactamase (ESBL). Here, we used genome sequencing to examine the molecular epidemiology of a collection of E. coli ST131 strains isolated from six distinct geographical locations across the world spanning 2000-2011. The global phylogeny of E. coli ST131, determined from whole-genome sequence data, revealed a single lineage of E. coli ST131 distinct from other extraintestinal E. coli strains within the B2 phylogroup. Three closely related E. coli ST131 sublineages were identified, with little association to geographic origin. The majority of single-nucleotide variants associated with each of the sublineages were due to recombination in regions adjacent to mobile genetic elements (MGEs). The most prevalent sublineage of ST131 strains was characterized by fluoroquinolone resistance, and a distinct virulence factor and MGE profile. Four different variants of the CTX-M ESBL-resistance gene were identified in our ST131 strains, with acquisition of CTX-M-15 representing a defining feature of a discrete but geographically dispersed ST131 sublineage. This study confirms the global dispersal of a single E. coli ST131 clone and demonstrates the role of MGEs and recombination in the evolution of this important MDR pathogen.


Asunto(s)
Farmacorresistencia Bacteriana Múltiple/genética , Escherichia coli/genética , Genoma Bacteriano/genética , Filogenia , Secuencia de Bases , Biología Computacional , Fluoroquinolonas , Funciones de Verosimilitud , Modelos Genéticos , Datos de Secuencia Molecular , Filogeografía , Polimorfismo de Nucleótido Simple/genética , Alineación de Secuencia , Análisis de Secuencia de ADN , Especificidad de la Especie , beta-Lactamasas/metabolismo
10.
Clin Infect Dis ; 60(3): 439-52, 2015 Feb 01.
Artículo en Inglés | MEDLINE | ID: mdl-25301206

RESUMEN

To find out whether food-producing animals (FPAs) are a source of extraintestinal expanded-spectrum cephalosporin-resistant Escherichia coli (ESCR-EC) infections in humans, Medline, Embase, and the Cochrane Database of Systematic Reviews were systematically reviewed. Thirty-four original, peer-reviewed publications were identified for inclusion. Six molecular epidemiology studies supported the transfer of resistance via whole bacterium transmission (WBT), which was best characterized among poultry in the Netherlands. Thirteen molecular epidemiology studies supported transmission of resistance via mobile genetic elements, which demonstrated greater diversity of geography and host FPA. Seventeen molecular epidemiology studies did not support WBT and two did not support mobile genetic element-mediated transmission. Four observational epidemiology studies were consistent with zoonotic transmission. Overall, there is evidence that a proportion of human extraintestinal ESCR-EC infections originate from FPAs. Poultry, in particular, is probably a source, but the quantitative and geographical extent of the problem is unclear and requires further investigation.


Asunto(s)
Resistencia a las Cefalosporinas , Infecciones por Escherichia coli/transmisión , Escherichia coli/efectos de los fármacos , Ganado/microbiología , Aves de Corral/microbiología , Animales , Farmacorresistencia Bacteriana Múltiple , Escherichia coli/genética , Infecciones por Escherichia coli/epidemiología , Infecciones por Escherichia coli/microbiología , Humanos , Zoonosis/transmisión
11.
Anal Chem ; 87(5): 2520-6, 2015 Mar 03.
Artículo en Inglés | MEDLINE | ID: mdl-25646567

RESUMEN

Smaller particles have progressively led to higher efficiency in liquid chromatography, particularly for proteins, due to smaller diffusion distances. Particle diameter has recently entered the submicrometer region, with the back-pressure requirements alleviated by slip flow.


Asunto(s)
Cromatografía Liquida/métodos , Tamaño de la Partícula , Proteínas/análisis , Difusión , Humanos , Porosidad
12.
Antimicrob Agents Chemother ; 58(4): 2126-34, 2014.
Artículo en Inglés | MEDLINE | ID: mdl-24468775

RESUMEN

By global standards, the prevalence of community-onset expanded-spectrum-cephalosporin-resistant (ESC-R) Escherichia coli remains low in Australia and New Zealand. Of concern, our countries are in a unique position, with high extramural resistance pressure from close population and trade links to Asia-Pacific neighbors with high ESC-R E. coli rates. We aimed to characterize the risks and dynamics of community-onset ESC-R E. coli infection in our low-prevalence region. A case-control methodology was used. Patients with ESC-R E. coli or ESC-susceptible E. coli isolated from blood or urine were recruited at six geographically dispersed tertiary care hospitals in Australia and New Zealand. Epidemiological data were prospectively collected, and bacteria were retained for analysis. In total, 182 patients (91 cases and 91 controls) were recruited. Multivariate logistic regression identified risk factors for ESC-R among E. coli strains, including birth on the Indian subcontinent (odds ratio [OR]=11.13, 95% confidence interval [95% CI]=2.17 to 56.98, P=0.003), urinary tract infection in the past year (per-infection OR=1.430, 95% CI=1.13 to 1.82, P=0.003), travel to southeast Asia, China, the Indian subcontinent, Africa, and the Middle East (OR=3.089, 95% CI=1.29 to 7.38, P=0.011), prior exposure to trimethoprim with or without sulfamethoxazole and with or without an expanded-spectrum cephalosporin (OR=3.665, 95% CI=1.30 to 10.35, P=0.014), and health care exposure in the previous 6 months (OR=3.16, 95% CI=1.54 to 6.46, P=0.02). Among our ESC-R E. coli strains, the blaCTX-M ESBLs were dominant (83% of ESC-R E. coli strains), and the worldwide pandemic ST-131 clone was frequent (45% of ESC-R E. coli strains). In our low-prevalence setting, ESC-R among community-onset E. coli strains may be associated with both "export" from health care facilities into the community and direct "import" into the community from high-prevalence regions.


Asunto(s)
Antibacterianos/uso terapéutico , Cefalosporinas/uso terapéutico , Infecciones por Escherichia coli/tratamiento farmacológico , Adulto , Anciano , Antibacterianos/farmacología , Cefalosporinas/farmacología , Infecciones Comunitarias Adquiridas/tratamiento farmacológico , Farmacorresistencia Bacteriana , Escherichia coli/efectos de los fármacos , Femenino , Humanos , Masculino , Persona de Mediana Edad , Factores de Riesgo
13.
Clin Infect Dis ; 57(2): 267-74, 2013 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-23532481

RESUMEN

Transrectal ultrasound (TRUS)-guided prostate biopsy is currently considered the standard technique for obtaining tissue to make a histological diagnosis of prostatic carcinoma. Infectious complications following TRUS-guided prostate biopsy are well described, and are reportedly increasing in incidence. The role of antibiotic prophylaxis in reducing post-TRUS biopsy infections is now established, and many guidelines suggest that fluoroquinolone antimicrobials are the prophylactic agents of choice. Of note, however, recent reports suggest an emerging association between TRUS biopsy and subsequent infection with fluoroquinolone-resistant Escherichia coli. Against this background, we provide an overview of the epidemiology, prevention, and treatment of infectious complications following TRUS biopsy, in the wider context of increasing global antimicrobial resistance.


Asunto(s)
Biopsia/efectos adversos , Infecciones por Escherichia coli/epidemiología , Infecciones por Escherichia coli/prevención & control , Próstata/diagnóstico por imagen , Próstata/cirugía , Profilaxis Antibiótica/métodos , Farmacorresistencia Bacteriana Múltiple , Escherichia coli/efectos de los fármacos , Escherichia coli/aislamiento & purificación , Infecciones por Escherichia coli/microbiología , Humanos , Masculino , Ultrasonografía , Ultrasonido Enfocado Transrectal de Alta Intensidad
15.
J Pers Soc Psychol ; 125(6): 1394-1419, 2023 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-37796590

RESUMEN

Flattery is one of the oldest and most commonly used impression-management tactics in everyday life. Though it often brings benefits to the flatterer, less is known about how it affects the target. In the present research, we explore when and why being flattered can be costly for leaders-common targets of flattery-depending on how they respond to it. We suggest that leaders who are observed rewarding flatterers risk appearing naïve to others. Across seven studies and six supplementary studies (N = 4,612), we find evidence that leaders who grant favors to flatterers are often perceived to have naively "fallen for flattery," which shapes observers' impressions of the leaders and the organizations they represent. A first set of studies (Studies 1-4) detail the variety of factors that lead observers to conclude their leader has fallen for flattery and the resulting impacts to the leaders' reputation and their organization (e.g., competence, warmth, commitment to the leader, organizational fairness). The second set of studies look at the contextual factors that impact what costs leaders pay for being perceived to have fallen for flattery, including the type of flattery (Study 5), who is harmed by the favor (Study 6), and the leader's apparent awareness of the motives underlying flattery (Study 7). Whereas previous research highlights positive consequences of flattery for the flatterer, we find that flattery comes with costs for leaders and their organizations. We discuss theoretical and practical implications for leaders who are frequently flattered. (PsycInfo Database Record (c) 2023 APA, all rights reserved).


Asunto(s)
Actitud , Liderazgo , Humanos , Motivación
16.
Heliyon ; 9(9): e19968, 2023 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-37809890

RESUMEN

Background: Patients with bronchiectasis often require hospitalisation for the administration of intravenous antibiotics for the management of acute exacerbations. Increasingly, Outpatient Parenteral Antibiotic Therapy (OPAT) services have become available as a potential alternative for domiciliary management. Aims: This study assessed outcomes in both cystic fibrosis (CF) and non-CF bronchiectasis patients who received OPAT for the management of an acute exacerbation of bronchiectasis. Methods: A retrospective study of consecutive subjects was done in both CF and non-CF groups in a large metropolitan Health Service in Australia from 2016 to 2022. Results: There were 51 episodes of care in the non-CF group (22 subjects) and 73 episodes in the CF group (13 subjects). The non-CF group were nearly all treated with once daily domiciliary intravenous (IV) ceftriaxone (49/51 episodes) for a duration of 9.1 ± 3.0 days (mean and standard deviation (SD)) via a peripherally inserted venous canula (84% of episodes). In contrast, the CF group generally received dual IV antibiotics (64% of episodes), with an average duration of 16.8 ± 6.3 days via central venous access (100%). In the non-CF group, the admission rate to hospital after 1 month was 9.6% and in the CF group was 0%. At 3 and 6 months the readmission rate for the non-CF group was 15.7% and 19.6% and CF group was 21.9% and 31.5%. There was a low rate of complications for the OPAT admissions (2% for the non-CF group and 7% for CF group). Conclusions: OPAT is a viable alternative for the management of bronchiectasis exacerbations.

17.
Ther Adv Infect Dis ; 10: 20499361231199582, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37745256

RESUMEN

Outpatient parenteral antimicrobial therapy (OPAT) in Australia has evolved from modest beginnings to a well-established health service with proven benefits in patient outcomes. This is a comprehensive review of the current state of art Australian OPAT with vignettes of the types of OPAT models of care, antimicrobial prescribing and antimicrobial use. In addition, we highlight the similarities and differences between OPAT to other countries and describe Australian OPAT experiences with COVID-19 and paediatrics. Australian OPAT continues to advance with OPAT antifungals, novel treatment options and upcoming high-impact research.

18.
BMJ Open ; 13(6): e069708, 2023 06 26.
Artículo en Inglés | MEDLINE | ID: mdl-37369422

RESUMEN

INTRODUCTION: The BALANCE study is a randomised clinical trial (3626 participants) designed to assess the non-inferiority of 7 days (short-course) antibiotic therapy compared with 14 days of therapy for bacteraemia using the pragmatic endpoint of 90-day survival. Based on pilot study data, approximately 30% of enrolees will have a urinary tract infection (UTI) as the source of bacteraemia. METHODS AND ANALYSIS: We aim to assess the non-inferiority of short-course antibiotic therapy for patients with bacteraemia UTIs.Participating sites in four countries will be invited to join this substudy. All participants of this substudy will be enrolled in the main BALANCE study. The intervention will be assigned and treatment administered as specified in the main protocol.We will include participants in this substudy if the probable source of their infection is a UTI, as judged by the site principal investigator, and they have a urine microscopy and culture indicative of a UTI. Participants will be excluded if they have an ileal loop, vesicoureteric reflux or suspected or confirmed prostatitis.The primary outcome is the absence of a positive culture on a test-of-cure urine sample collected 6-12 days after cessation of antimicrobials, with a non-inferiority margin of 15%. Secondary outcomes include the clinical resolution of infection symptoms at test-of-cure. ETHICS AND DISSEMINATION: The study has been approved in conjunction with the main BALANCE study through the relevant ethics review process at each participating site. We will disseminate the results through the Australasian Society for Infectious Diseases, Canadian Critical Care Trials Group, the Association for Medical Microbiology and Infectious Diseases Canada Clinical Research Network (AMMI Canada CRN) and other collaborators. UNIVERSAL TRIAL NUMBER: U1111-1256-0874. MAIN BALANCE TRIAL REGISTRATION: NCT03005145. TRIAL REGISTRATION NUMBER: Australian Clinical Trial Register: ACTRN12620001108909.


Asunto(s)
Bacteriemia , Enfermedades Transmisibles , Sepsis , Infecciones Urinarias , Masculino , Humanos , Antibacterianos/uso terapéutico , Microscopía , Proyectos Piloto , Urinálisis , Australia , Canadá , Infecciones Urinarias/tratamiento farmacológico , Infecciones Urinarias/complicaciones , Resultado del Tratamiento , Bacteriemia/tratamiento farmacológico , Bacteriemia/complicaciones , Enfermedades Transmisibles/complicaciones , Sepsis/tratamiento farmacológico , Sepsis/complicaciones , Ensayos Clínicos Controlados Aleatorios como Asunto , Estudios Multicéntricos como Asunto
19.
J Pers Soc Psychol ; 125(4): 752-778, 2023 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-36972106

RESUMEN

Meaning in life is tied to the stories people tell about their lives. We explore whether one timeless story-the Hero's Journey-might make people's lives feel more meaningful. This enduring story appears across history and cultures and provides a template for ancient myths (e.g., Beowulf) and blockbuster books and movies (e.g., Harry Potter). Eight studies reveal that the Hero's Journey predicts and can causally increase people's experience of meaning in life. We first distill the Hero's Journey into seven key elements-protagonist, shift, quest, allies, challenge, transformation, legacy-and then develop a new measure that assesses the perceived presence of the Hero's Journey narrative in people's life stories: the Hero's Journey Scale. Using this scale, we find a positive relationship between the Hero's Journey and meaning in life with both online participants (Studies 1-2) and older adults in a community sample (Study 3). We then develop a restorying intervention that leads people to see the events of their life as a Hero's Journey (Study 4). This intervention causally increases meaning in life (Study 5) by prompting people to reflect on important elements of their lives and connecting them into a coherent and compelling narrative (Study 6). This Hero's Journey restorying intervention also increases the extent to which people perceive meaning in an ambiguous grammar task (Study 7) and increases their resilience to life's challenges (Study 8). These results provide initial evidence that enduring cultural narratives like the Hero's Journey both reflect meaningful lives and can help to create them. (PsycInfo Database Record (c) 2023 APA, all rights reserved).


Asunto(s)
Emociones , Narración , Humanos , Anciano
20.
Antibiotics (Basel) ; 11(12)2022 Dec 15.
Artículo en Inglés | MEDLINE | ID: mdl-36551478

RESUMEN

Escherichia coli is a versatile commensal and pathogenic member of the human microflora. As the primary causative pathogen in urosepsis, E. coli places an immense burden on healthcare systems worldwide. To further exacerbate the issue, multi drug resistance (MDR) has spread rapidly through E. coli populations, making infections more troublesome and costlier to treat. This paper aimed to review the literature concerning the development of MDR in uropathogenic E. coli (UPEC) and explore the existing evidence of current and emerging treatment strategies. While some MDR strains maybe treated with ß-lactam-ß-lactamase inhibitor combinations as well as cephalosporins, cephamycin, temocillin and fosfomycin, current treatment strategies for many MDR UPEC strains are reliant on carbapenems. Carbapenem overreliance may contribute to the alarming dissemination of carbapenem-resistance amongst some UPEC communities, which has ushered in a new age of difficult to treat infections. Alternative treatment options for carbapenem resistant UPEC may include novel ß-lactam-ß-lactamase or carbapenemase inhibitor combinations, cefiderocol, polymyxins, tigecycline, aminoglycosides or fosfomycin. For metallo-ß-lactamase producing strains (e.g., NDM, IMP-4), combinations of cefazidime-avibacam with aztreonam have been used. Additionally, the emergence of new antimicrobials brings new hope to the treatment of such infections. However, continued research is required to successfully bring these into the clinic for the treatment of MDR E. coli urosepsis.

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