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1.
J Antimicrob Chemother ; 78(6): 1367-1377, 2023 06 01.
Artigo em Inglês | MEDLINE | ID: mdl-37038993

RESUMO

BACKGROUND: The Antifungal National Antimicrobial Prescribing Survey (AF-NAPS) was developed to undertake streamlined quality audits of antifungal prescribing. The validity and reliability of such tools is not characterized. OBJECTIVES: To assess the validity and reliability of the AF-NAPS quality assessment tool. METHODS: Case vignettes describing antifungal prescribing were prepared. A steering group was assembled to determine gold-standard classifications for appropriateness and guideline compliance. Infectious diseases physicians, antimicrobial stewardship (AMS) and specialist pharmacists undertook a survey to classify appropriateness and guideline compliance of prescriptions utilizing the AF-NAPS tool. Validity was measured as accuracy, sensitivity and specificity compared with gold standard. Inter-rater reliability was measured using Fleiss' kappa statistics. Assessors' responses and comments were thematically analysed to determine reasons for incorrect classification. RESULTS: Twenty-eight clinicians assessed 59 antifungal prescriptions. Overall accuracy of appropriateness assessment was 77.0% (sensitivity 85.3%, specificity 68.0%). Highest accuracy was seen amongst specialist (81%) and AMS pharmacists (79%). Prescriptions with lowest accuracy were in the haematology setting (69%), use of echinocandins (73%), mould-active azoles (75%) and for prophylaxis (71%). Inter-rater reliability was fair overall (0.3906), with moderate reliability amongst specialist pharmacists (0.5304). Barriers to accurate classification were incorrect use of the appropriateness matrix, knowledge gaps and lack of guidelines for some indications. CONCLUSIONS: The AF-NAPS is a valid tool, assisting assessors to correctly classify appropriate prescriptions more accurately than inappropriate prescriptions. Specialist and AMS pharmacists had similar performance, providing confidence that both can undertake AF-NAPS audits to a high standard. Identified reasons for incorrect classification will be targeted in the online tool and educational materials.


Assuntos
Anti-Infecciosos , Antifúngicos , Humanos , Antifúngicos/uso terapêutico , Reprodutibilidade dos Testes , Anti-Infecciosos/uso terapêutico , Prescrições , Inquéritos e Questionários , Prescrição Inadequada
2.
J Antimicrob Chemother ; 76(1): 253-262, 2021 01 01.
Artigo em Inglês | MEDLINE | ID: mdl-33057605

RESUMO

BACKGROUND: Guidance on assessment of the quantity and appropriateness of antifungal prescribing is required to assist hospitals to interpret data effectively and structure quality improvement programmes. OBJECTIVES: To achieve expert consensus on a core set of antifungal stewardship (AFS) metrics and to determine their feasibility for implementation. METHODS: A literature review was undertaken to develop a list of candidate metrics. International experts were invited to participate in sequential web-based surveys to evaluate the importance and feasibility of metrics in the area of AFS using Delphi methodology. Three surveys were completed. Consensus was predefined as ≥80% agreement on the importance of each metric. RESULTS: Eighty-two experts consented to participate from 17 different countries. Response rate for each survey was >80%. The panel included adult and paediatric physicians, microbiologists and pharmacists with diverse content expertise. Consensus was achieved for 38 metrics considered important to routinely include in AFS programmes, and related to antifungal consumption (n = 5), quality of antifungal prescribing and management of invasive fungal infection (IFI) (n = 24), and clinical outcomes (n = 9). Twenty-one consensus metrics were considered to have moderate to high feasibility for routine collection. CONCLUSIONS: The identified core AFS metrics will provide a framework to comprehensively assess the quantity and quality of antifungal prescribing within hospitals to develop quality improvement programmes aimed at improving IFI prevention, management and patient-centred outcomes. A standardized approach will support collaboration and benchmarking to monitor the efficacy of current prophylaxis and treatment guidelines, and will provide important feedback to guideline developers.


Assuntos
Antifúngicos , Infecções Fúngicas Invasivas , Adulto , Antifúngicos/uso terapêutico , Benchmarking , Criança , Hospitais , Humanos , Infecções Fúngicas Invasivas/tratamento farmacológico , Melhoria de Qualidade
3.
Support Care Cancer ; 28(6): 2745-2752, 2020 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-31712951

RESUMO

BACKGROUND: CRS-HIPEC is associated with improved cancer survival but an increased risk of infection. METHODS: Consecutive patients undergoing CRS-HIPEC between January 2016 and May 2018 were retrospectively reviewed. Malignancy type, comorbidities, perioperative risk factors and infectious complications were captured, using standardised definitions. Association between risk factors and infection outcomes was evaluated by logistic regression modelling. RESULTS: One-hundred patients underwent CRS-HIPEC, predominantly for colorectal cancer and pseudomyxoma peritonei. Overall, 43 (43.0%) experienced an infectious complication, including infections at surgical site (27), respiratory tract (9), urinary tract (11), Clostridium difficile (2) and post-operative sepsis (15). In most, infection onset was within 7 days post-operatively. Median length of hospitalisation was 19 days for patients with infection, compared to 8 days for those without (p = 0.000). There were no deaths at 60 days. Of variables potentially associated with surgical site infection, small bowel resection (OR 4.01, 95% confidence interval [CI] 1.53-10.83; p = 0.005) and number of resected viscera (OR 1.41, 95% CI 1.00-1.98; p = 0.048) were significantly associated with infection. CONCLUSIONS: We demonstrate a significant burden of early infective complications in patients undergoing CRS-HIPEC. Higher-risk subgroups, including those with small bowel resection and increased number of resected viscera, may benefit from enhanced monitoring.


Assuntos
Procedimentos Cirúrgicos de Citorredução/efeitos adversos , Procedimentos Cirúrgicos do Sistema Digestório/efeitos adversos , Hipertermia Induzida/efeitos adversos , Infecção da Ferida Cirúrgica/epidemiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Neoplasias Colorretais/patologia , Neoplasias Colorretais/cirurgia , Terapia Combinada , Procedimentos Cirúrgicos de Citorredução/métodos , Feminino , Humanos , Hipertermia Induzida/métodos , Masculino , Pessoa de Meia-Idade , Neoplasias Peritoneais/cirurgia , Pseudomixoma Peritoneal/cirurgia , Estudos Retrospectivos , Infecção da Ferida Cirúrgica/microbiologia , Adulto Jovem
4.
Eur J Nucl Med Mol Imaging ; 46(1): 166-173, 2019 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-29882160

RESUMO

PURPOSE: Invasive fungal infections (IFIs) are common in immunocompromised patients. While early diagnosis can reduce otherwise high morbidity and mortality, conventional CT has suboptimal sensitivity and specificity. Small studies have suggested that the use of FDG PET/CT may improve the ability to detect IFI. The objective of this study was to describe the proven and probable IFIs detected on FDG PET/CT at our centre and compare the performance with that of CT for localization of infection, dissemination and response to therapy. METHODS: FDG PET/CT reports for adults investigated at Peter MacCallum Cancer Centre were searched using keywords suggestive of fungal infection. Chart review was performed to describe the risk factors, type and location of IFIs, indication for FDG PET/CT, and comparison with CT for the detection of infection, and its dissemination and response to treatment. RESULTS: Between 2007 and 2017, 45 patients had 48 proven/probable IFIs diagnosed prior to or following FDG PET/CT. Overall 96% had a known malignancy with 78% being haematological. FDG PET/CT located clinically occult infection or dissemination to another organ in 40% and 38% of IFI patients, respectively. Of 40 patients who had both FDG PET/CT and CT, sites of IFI dissemination were detected in 35% and 5%, respectively (p < 0.001). Of 18 patents who had both FDG PET/CT and CT follow-up imaging, there were discordant findings between the two imaging modalities in 11 (61%), in whom normalization of FDG avidity of a lesion suggested resolution of active infection despite a residual lesion on CT. CONCLUSION: FDG PET/CT was able to localize clinically occult infection and dissemination and was particularly helpful in demonstrating response to antifungal therapy.


Assuntos
Fluordesoxiglucose F18 , Infecções Fúngicas Invasivas/diagnóstico por imagem , Infecções Fúngicas Invasivas/tratamento farmacológico , Tomografia por Emissão de Pósitrons combinada à Tomografia Computadorizada , Adulto , Idoso , Antifúngicos/uso terapêutico , Feminino , Humanos , Infecções Fúngicas Invasivas/mortalidade , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Adulto Jovem
5.
Epidemiol Infect ; 147: e87, 2019 01.
Artigo em Inglês | MEDLINE | ID: mdl-30869059

RESUMO

To determine the burden of skin and soft tissue infections (SSTI), the nature of antimicrobial prescribing and factors contributing to inappropriate prescribing for SSTIs in Australian aged care facilities, SSTI and antimicrobial prescribing data were collected via a standardised national survey. The proportion of residents prescribed ⩾1 antimicrobial for presumed SSTI and the proportion whose infections met McGeer et al. surveillance definitions were determined. Antimicrobial choice was compared to national prescribing guidelines and prescription duration analysed using a negative binomial mixed-effects regression model. Of 12 319 surveyed residents, 452 (3.7%) were prescribed an antimicrobial for a SSTI and 29% of these residents had confirmed infection. Topical clotrimazole was most frequently prescribed, often for unspecified indications. Where an indication was documented, antimicrobial choice was generally aligned with recommendations. Duration of prescribing (in days) was associated with use of an agent for prophylaxis (rate ratio (RR) 1.63, 95% confidence interval (CI) 1.08-2.52), PRN orders (RR 2.10, 95% CI 1.42-3.11) and prescription of a topical agent (RR 1.47, 95% CI 1.08-2.02), while documentation of a review or stop date was associated with reduced duration of prescribing (RR 0.33, 95% CI 0.25-0.43). Antimicrobial prescribing for SSTI is frequent in aged care facilities in Australia. Methods to enhance appropriate prescribing, including clinician documentation, are required.


Assuntos
Antibacterianos/administração & dosagem , Prescrição Inadequada/estatística & dados numéricos , Padrões de Prática Médica/estatística & dados numéricos , Dermatopatias Infecciosas/epidemiologia , Infecções dos Tecidos Moles/epidemiologia , Idoso , Idoso de 80 Anos ou mais , Austrália/epidemiologia , Feminino , Humanos , Masculino , Dermatopatias Infecciosas/microbiologia , Infecções dos Tecidos Moles/microbiologia
6.
J Antimicrob Chemother ; 71(6): 1715-22, 2016 06.
Artigo em Inglês | MEDLINE | ID: mdl-26895771

RESUMO

BACKGROUND: The presence of antimicrobial allergy designations ('labels') often substantially reduces prescribing options for affected patients, but the frequency, accuracy and impacts of such labels are unknown. METHODS: The National Antimicrobial Prescribing Survey (NAPS) is an annual de-identified point prevalence audit of Australian inpatient antimicrobial prescribing using standardized definitions of guideline compliance, appropriateness and indications. Data were extracted for 2 years (2013-14) and compared for patients with an antimicrobial allergy label (AAL) and with no AAL (NAAL). RESULTS: Among 21 031 patients receiving antimicrobials (33 421 prescriptions), an AAL was recorded in 18%, with inappropriate antimicrobial use significantly higher in the AAL group versus the NAAL group (OR 1.12, 95% CI 1.05-1.22, P < 0.002). Patterns of antimicrobial use were significantly influenced by AAL, with lower ß-lactam use (AAL versus NAAL; OR 0.47, 95% CI 0.43-0.50, P < 0.001) and higher quinolone (OR 2.07, 95% CI 1.83-2.34, P < 0.0001), glycopeptide (OR 1.59, 95% CI 1.38-1.83, P < 0.0001) and carbapenem (OR 1.74, 95% CI 1.43-2.13, P < 0.0001) use. In particular, among immunocompromised patients, AAL was associated with increased rates of inappropriate antimicrobial use (OR 1.68, 95% CI 1.21-2.30, P = 0.003), as well as increased use of quinolones (OR 1.88, 95% CI 1.16-3.03, P = 0.02) and glycopeptides (OR 1.82, 95% CI 1.17-2.84, P = 0.01). CONCLUSIONS: AALs are common and appear to be associated with higher rates of inappropriate prescribing and increased use of broad-spectrum antimicrobials. Improved accuracy in defining AALs is likely to be important for effective antimicrobial stewardship (AMS), with efforts to 'de-label' inappropriate AAL patients a worthwhile feature of future AMS initiatives.


Assuntos
Anti-Infecciosos/efeitos adversos , Anti-Infecciosos/uso terapêutico , Hipersensibilidade a Drogas , Rotulagem de Medicamentos , Prescrições de Medicamentos , Uso de Medicamentos , Padrões de Prática Médica , Austrália , Humanos , Pacientes Internados
7.
Intern Med J ; 46(10): 1182-1188, 2016 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-27515491

RESUMO

BACKGROUND: Identifying themes associated with inappropriate prescribing in Australian public and private hospitals will help target future antimicrobial stewardship initiatives. AIMS: To describe current antimicrobial prescribing practices, identify similarities and differences between hospital sectors and provide target areas for improvement specific to each hospital sector. METHODS: All hospitals included in the study were part of the 2014 national antimicrobial prescribing survey and conducted one of the following: a whole hospital point prevalence survey, serial point prevalence surveys or a sample of randomly selected patients. Data on the types of antibiotics used, their indications for use and the quality of prescription based on compliance with national and local prescribing guidelines were collected. RESULTS: Two hundred and two hospitals (166 public and 36 private) comprising 10 882 patients and 15 967 antimicrobial prescriptions were included. Public hospitals had higher proportions of prescriptions for treatment (81.5% vs 48.4%) and medical prophylaxis (8.8% and 4.6%), whilst private hospitals had significantly higher surgical prophylaxis use (9.6% vs 46.9%) (P < 0.001). In public hospitals, the main reasons for non-compliance of treatment prescriptions were spectrum being too broad (30.5%) while in private it was incorrect dosing. Prolonged duration was the main reason for non-compliance among surgical prophylaxis prescriptions in both types of hospitals. CONCLUSIONS: Australian hospitals need to target specific areas to improve antimicrobial use. Specifically, unnecessary broad-spectrum therapy should be a priority area in public hospitals, whilst emphasis on curtailing antimicrobial overuse in surgical prophylaxis needs to be urgently addressed across in the private hospital sector.


Assuntos
Anti-Infecciosos/uso terapêutico , Prescrições de Medicamentos/estatística & dados numéricos , Hospitais Privados , Hospitais Públicos , Prescrição Inadequada/estatística & dados numéricos , Idoso , Idoso de 80 Anos ou mais , Austrália , Feminino , Fidelidade a Diretrizes , Humanos , Masculino , Pessoa de Meia-Idade , Padrões de Prática Médica/estatística & dados numéricos , Inquéritos e Questionários
8.
J Antimicrob Chemother ; 70(4): 1161-5, 2015 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-25558073

RESUMO

OBJECTIVES: The clinical utility of pharmacogenomic testing in haematology patients with invasive fungal disease (IFD) receiving azole therapy has not been defined. We report our experience with CYP2C19 testing in haematological patients requiring voriconazole therapy for IFD. METHODS: As a single-centre pilot study, 19 consecutive patients with a haematological malignancy undergoing active chemotherapy with a possible, probable or proven IFD requiring voriconazole therapy underwent CYP2C19 testing from 2013 to 2014. Baseline patient demographics, concurrent medications, voriconazole levels and IFD history were captured. RESULTS: The median voriconazole levels for intermediate metabolizer (IM) (CYP2C19*2 or 3/*1 or 17), extensive metabolizer (EM) (CYP2C19*1/*1) and heterozygote ultrarapid metabolizer (HUM)/ultrarapid metabolizer (UM) (UM, CYP2C19*17/*17; HUM, CYP2C19*1/*17) patients were 5.23, 3.3 and 1.25 mg/L, respectively. Time to therapeutic voriconazole levels was longest in the IM group, whilst voriconazole levels <1 mg/L were only seen in UM, HUM and EM phenotypes. The highest rates of clinical toxicity were seen in the IM group (3/5, 60%). CONCLUSIONS: Voriconazole exposure and toxicity was highest for IM and lowest for HUM/UM phenotypes. Time to therapeutic voriconazole level was longest in IM, whilst refractory subtherapeutic levels requiring CYP2C19 inhibition were only seen in the EM, HUM and UM phenotypes. CYP2C19 genotyping may predict those likely to have supratherapeutic or subtherapeutic levels and/or toxicity. Prospective evaluation of clinical pathways incorporating genotyping and voriconazole dose-titrating algorithms is required.


Assuntos
Antifúngicos/efeitos adversos , Antifúngicos/uso terapêutico , Citocromo P-450 CYP2C19/genética , Técnicas de Genotipagem , Micoses/tratamento farmacológico , Voriconazol/efeitos adversos , Voriconazol/uso terapêutico , Idoso , Estudos de Coortes , Feminino , Neoplasias Hematológicas/complicações , Humanos , Masculino , Pessoa de Meia-Idade , Farmacogenética/métodos , Projetos Piloto , Resultado do Tratamento
9.
Intern Med J ; 44(12b): 1350-63, 2014 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-25482745

RESUMO

Pneumocystis jirovecii infection (PJP) is a common cause of pneumonia in patients with cancer-related immunosuppression. There are well-defined patients who are at risk of PJP due to the status of their underlying malignancy, treatment-related immunosuppression and/or concomitant use of corticosteroids. Prophylaxis is highly effective and should be given to all patients at moderate to high risk of PJP. Trimethoprim-sulfamethoxazole is the drug of choice for prophylaxis and treatment, although several alternative agents are available.


Assuntos
Antibioticoprofilaxia , Hospedeiro Imunocomprometido/imunologia , Neoplasias/imunologia , Infecções Oportunistas/microbiologia , Infecções Oportunistas/prevenção & controle , Pneumocystis carinii/patogenicidade , Pneumonia por Pneumocystis/prevenção & controle , Combinação Trimetoprima e Sulfametoxazol/administração & dosagem , Corticosteroides/administração & dosagem , Corticosteroides/efeitos adversos , Consenso , Esquema de Medicação , Humanos , Neoplasias/complicações , Infecções Oportunistas/imunologia , Pneumonia por Pneumocystis/imunologia , Pneumonia por Pneumocystis/microbiologia , Guias de Prática Clínica como Assunto
10.
Intern Med J ; 44(12b): 1267-76, 2014 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-25482739

RESUMO

This article introduces the second revision of the Australian and New Zealand consensus guidelines for the use of antifungal agents in the haematology/oncology setting. The current update occurs within the context of a growing population at risk of invasive fungal disease, improved understanding of risk factors, availability of new diagnostic tests, a much-expanded evidence base and changing clinical paradigms. Here, we provide an overview of the history and purpose of the guidelines, including changes in scope since the last clinical update was published in 2008. The process for development, and for enabling review of draft recommendations by end-users and other relevant stakeholders, is described. The approach to assigning levels of evidence and grades of recommendation is also provided, along with a comparison to international grading systems.


Assuntos
Antifúngicos/administração & dosagem , Doenças Hematológicas/tratamento farmacológico , Micoses/tratamento farmacológico , Neoplasias/tratamento farmacológico , Infecções Oportunistas/prevenção & controle , Austrália/epidemiologia , Conferências de Consenso como Assunto , Estado Terminal , Esquema de Medicação , Guias como Assunto , Acessibilidade aos Serviços de Saúde , Doenças Hematológicas/diagnóstico , Doenças Hematológicas/imunologia , Humanos , Hospedeiro Imunocomprometido , Micoses/diagnóstico , Neoplasias/diagnóstico , Neoplasias/imunologia , Nova Zelândia/epidemiologia , Infecções Oportunistas/tratamento farmacológico , Infecções Oportunistas/imunologia , Guias de Prática Clínica como Assunto , Ensaios Clínicos Controlados Aleatórios como Assunto , Kit de Reagentes para Diagnóstico , Fatores de Risco
11.
Intern Med J ; 44(12b): 1333-49, 2014 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-25482744

RESUMO

Mould species represent the pathogens most commonly associated with invasive fungal disease in patients with haematological malignancies and patients of haemopoietic stem cell transplants. Invasive mould infections in these patient populations, particularly in the setting of neutropenia, are associated with high morbidity and mortality, and significantly increase the complexity of management. While Aspergillus species remain the most prevalent cause of invasive mould infections, Scedosporium and Fusarium species and the Mucormycetes continue to place a significant burden on the immunocompromised host. Evidence also suggests that infections caused by rare and emerging pathogens are increasing within the setting of broad-spectrum antifungal prophylaxis and improved survival times placing immunosuppressed patients at risk for longer. These guidelines present evidence-based recommendations for the antifungal management of common, rare and emerging mould infections in both adult and paediatric populations. Where relevant, the role of surgery, adjunctive therapy and immunotherapy is also discussed.


Assuntos
Antifúngicos/administração & dosagem , Neoplasias Hematológicas/imunologia , Transplante de Células-Tronco Hematopoéticas , Infecções Oportunistas/microbiologia , Profilaxia Pré-Exposição , Aspergilose/tratamento farmacológico , Aspergilose/imunologia , Aspergilose/prevenção & controle , Consenso , Esquema de Medicação , Farmacorresistência Fúngica , Medicina Baseada em Evidências , Fusariose/tratamento farmacológico , Fusariose/imunologia , Fusariose/prevenção & controle , Neoplasias Hematológicas/complicações , Neoplasias Hematológicas/terapia , Humanos , Hospedeiro Imunocomprometido/imunologia , Neutropenia/imunologia , Infecções Oportunistas/prevenção & controle , Guias de Prática Clínica como Assunto
12.
Intern Med J ; 44(12b): 1277-82, 2014 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-25482740

RESUMO

This article reports the findings of a survey developed to assess the current use of antifungal prophylaxis among haematology and infectious disease clinicians across Australia and New Zealand, and their alignment with existing consensus guidelines for the use of antifungal agents in the haematology/oncology setting (published 2008). Surveyed clinicians largely followed the current recommendations for prophylaxis in the setting of induction chemotherapy for acute myeloid leukaemia, as well as autologous and low-risk allogeneic haemopoietic stem cell transplantation (HSCT). In keeping with guideline recommendations, posaconazole was the agent used by most centres for high-risk allogeneic HSCT. However, its routine continuation for 75-100 days post-transplantation without de-escalation suggested use beyond those indications described in the 2008 guidelines, namely pre-engraftment neutropenia and graft-versus-host disease. Variations in practice were observed in other settings, such as acute lymphoblastic leukaemia and myelodysplastic syndrome, reflecting the general lack of evidence for antifungal prophylaxis in these patient populations and changing perceptions of risk. With regard to the availability of testing in cases of suspected breakthrough IFD, 40% of centres did not have access to investigative bronchoscopy within 48 h of referral, and results of Aspergillus galactomannan (GM), fungal polymerase chain reaction and therapeutic drug monitoring (TDM) were not available within 48 h in 83%, 90% and 85% of centres respectively. The survey's findings will influence the recommendations provided in the updated 2014 consensus guidelines for the use of antifungal agents in the haematology/oncology setting.


Assuntos
Aspergilose/microbiologia , Doença Enxerto-Hospedeiro/microbiologia , Neoplasias Hematológicas/imunologia , Neoplasias Hematológicas/cirurgia , Transplante de Células-Tronco Hematopoéticas/métodos , Infecções Oportunistas/microbiologia , Profilaxia Pré-Exposição , Antifúngicos/uso terapêutico , Aspergilose/prevenção & controle , Austrália , Quimioprevenção , Conferências de Consenso como Assunto , Coleta de Dados , Testes Diagnósticos de Rotina , Doença Enxerto-Hospedeiro/prevenção & controle , Neoplasias Hematológicas/complicações , Humanos , Nova Zelândia , Infecções Oportunistas/prevenção & controle , Guias de Prática Clínica como Assunto , Triazóis/uso terapêutico
13.
Mycoses ; 57(9): 572-6, 2014 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-24761988

RESUMO

We report a case of non-fatal disseminated Scedosporium prolificans infection, including central nervous system disease and endophthalmitis, in a relapsed acute myeloid leukaemia patient with extensive CYP2C19 metabolism. Successful treatment required aggressive surgical debridement, three times daily voriconazole dosing and cimetidine CYP2C19 inhibition. In addition, the unique use of miltefosine was employed due to azole-chemotherapeutic drug interactions. Prolonged survival following disseminated S. prolificans, adjunctive miltefosine and augmentation of voriconazole exposure with cimetidine CYP2C19 inhibition has not been reported.


Assuntos
Citocromo P-450 CYP2C19/metabolismo , Interações Medicamentosas , Micoses/diagnóstico , Micoses/microbiologia , Farmacogenética , Scedosporium/isolamento & purificação , Idoso , Antifúngicos/uso terapêutico , Cimetidina/uso terapêutico , Desbridamento , Humanos , Leucemia Mieloide Aguda/complicações , Masculino , Micoses/tratamento farmacológico , Micoses/cirurgia , Voriconazol/uso terapêutico
14.
Intern Med J ; 43(9): 979-86, 2013 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-23809725

RESUMO

BACKGROUND: Although Australian consensus guidelines support the use of ambulatory care strategies for management of adult patients with low-risk neutropenic fever (NF), few centres have successfully implemented viable programmes. AIMS: To study the feasibility of an early discharge programme for adult patients with low-risk NF and assess organisational factors likely to influence successful implementation across participating Victorian hospitals. METHODS: Four hospitals participated in an organisational readiness assessment preceding selection of a pilot site for programme implementation. Prospective baseline auditing of current practice (i.e. inpatient care until resolution of NF) across three hospitals preceded programme implementation and evaluation. RESULTS: Barriers and facilitators to successful implementation were identified. One hundred and seventeen NF episodes were evaluated during audit phases. The frequency of low-risk NF presentations eligible for early discharge was low (less than two episodes per week). The programme reduced median (interquartile range) duration of parenteral antibiotics and length of stay for eligible patients (n = 11) from 4 (4, 5) days at baseline to 1 (1, 2) day during pilot (P = 0.02) and 4.5 (4, 5) days (baseline) to 2 (1, 3) days (pilot) (P = 0.02) respectively. The proportion of ineligible patients stepped down to oral antibiotics was improved from 38% (baseline) to 67% (pilot). No patients failed ambulatory care requiring readmission into hospital. CONCLUSION: The ambulatory care strategy for management of NF proposed by Australian consensus guidelines has been successfully piloted at a single Victorian centre. Organisational readiness tools can be used to identify potential barriers to the implementation of evidence based practices in patients with NF.


Assuntos
Assistência Ambulatorial/organização & administração , Assistência Ambulatorial/normas , Neutropenia/terapia , Alta do Paciente/normas , Estudos de Viabilidade , Humanos , Neutropenia/epidemiologia , Projetos Piloto , Avaliação de Processos em Cuidados de Saúde/organização & administração , Avaliação de Processos em Cuidados de Saúde/normas , Estudos Prospectivos , Resultado do Tratamento , Vitória/epidemiologia
15.
J Clin Pharm Ther ; 38(6): 490-7, 2013 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-23992301

RESUMO

WHAT IS KNOWN AND OBJECTIVE: Web-based decision support tools have rationalized prescribing of antimicrobials in healthcare settings. Clinicians' acceptance of decision support tools is one of the important factors that determine successful implementation of such tools. This study evaluated the impact of a formative evaluation on the uptake of a web-based antibiotic computerized decision support system (CDSS) by clinicians at a university teaching hospital. METHODS: Semi-structured qualitative interviews were conducted with junior and senior doctors and pharmacists. Interviews were transcribed verbatim and reviewed to identify barriers surrounding clinicians' use of the antibiotic CDSS. Recommendations were made to the development team of the studied system regarding system modifications and the implementation strategy. An automated log of the clinicians' use of antibiotic CDSS was generated before and after the formative evaluation. RESULTS: Interviews of 42 clinicians identified several barriers related to contents and implementation strategy of the antibiotic CDSS. Important differences were observed between senior and junior doctors about various aspects of the antibiotic restriction strategy and applicability of antibiotic CDSS in specialized clinical areas. Recommendations from the formative evaluation study resulted in significant modifications to the contents and implementation strategy of the antibiotic CDSS. A significant increase in uptake of the antibiotic CDSS by clinicians was observed following the formative evaluation. WHAT IS NEW AND CONCLUSION: The formative evaluation approach during the implementation period of the studied antibiotic CDSS increased clinicians' uptake of the system. Formative evaluation may be recommended as a routine strategy to implement future CDSS and related clinical computing applications in hospital settings.


Assuntos
Anti-Infecciosos/uso terapêutico , Internet , Antibacterianos/uso terapêutico , Atitude do Pessoal de Saúde , Prescrições de Medicamentos/estatística & dados numéricos , Uso de Medicamentos , Pesquisas sobre Atenção à Saúde , Humanos , Farmacêuticos , Médicos , Políticas , Guias de Prática Clínica como Assunto
16.
Intern Med J ; 42(2): 176-83, 2012 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-21309995

RESUMO

BACKGROUND: FDG-PET/CT is widely used in the management of a variety of malignancies with excellent overall accuracy, despite the potential for false positive results related to infection and inflammation. AIM: As cancer patients can develop clinically inapparent infections, we evaluated the prevalence and nature of incidental findings reported to be suggestive of infections that had been identified during clinical cancer staging with FDG-PET/CT. METHODS: The study involved a retrospective analysis of 60 patients managed primarily at our facility from a total of 121 cases identified as having possible infection on clinical reporting of more than 4500 cancer staging investigations performed during the calendar year of 2008. RESULTS: Occult infections were uncommon overall (≤1%), but most often because of pneumonia (31.6%), upper respiratory tract infections (21.1%) or wound infections (15.8%). Abnormal scans contributed to patients' management in 52.7% of cases. Two out of 13 patients whose scan abnormalities were not investigated further had worsening changes on repeated scan and one of these patients had clinical deterioration. CONCLUSIONS: In patients with FDG-PET/CT scans suggestive of infection and in whom a final diagnosis could be reached, the positive predictive value for FDG-PET/CT scans was 89% suggesting that abnormal scans indicative of infection should be investigated further in this population.


Assuntos
Fluordesoxiglucose F18 , Achados Incidentais , Imagem Multimodal/métodos , Estadiamento de Neoplasias/métodos , Tomografia por Emissão de Pósitrons , Infecções Respiratórias/diagnóstico por imagem , Tomografia Computadorizada por Raios X , Infecção dos Ferimentos/diagnóstico por imagem , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Infecções Respiratórias/epidemiologia , Infecção dos Ferimentos/epidemiologia , Adulto Jovem
17.
Intern Med J ; 41(10): 715-21, 2011 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-22435900

RESUMO

Legionella species are a common cause of community-acquired pneumonia, infrequently complicated by cavitary disease. We describe Legionella pneumophila pneumonia and abscess formation in an immunosuppressed patient receiving corticosteroid therapy for metastatic breast carcinoma. The predisposing role of corticosteroids is discussed and the management of this complication is reviewed.


Assuntos
Hospedeiro Imunocomprometido , Legionella pneumophila/isolamento & purificação , Doença dos Legionários/imunologia , Abscesso Pulmonar/microbiologia , Adulto , Antibacterianos/uso terapêutico , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Austrália/epidemiologia , Azitromicina/uso terapêutico , Neoplasias Encefálicas/tratamento farmacológico , Neoplasias Encefálicas/radioterapia , Neoplasias Encefálicas/secundário , Neoplasias da Mama/complicações , Neoplasias da Mama/tratamento farmacológico , Neoplasias da Mama/imunologia , Ceftriaxona/uso terapêutico , Terapia Combinada , Irradiação Craniana , Dexametasona/efeitos adversos , Dexametasona/uso terapêutico , Diagnóstico Diferencial , Drenagem , Feminino , Humanos , Legionella pneumophila/imunologia , Doença dos Legionários/complicações , Doença dos Legionários/diagnóstico por imagem , Doença dos Legionários/tratamento farmacológico , Doença dos Legionários/epidemiologia , Doença dos Legionários/cirurgia , Abscesso Pulmonar/diagnóstico por imagem , Abscesso Pulmonar/tratamento farmacológico , Abscesso Pulmonar/etiologia , Abscesso Pulmonar/imunologia , Abscesso Pulmonar/cirurgia , Neoplasias Pulmonares/diagnóstico , Neoplasias Pulmonares/secundário , Metronidazol/uso terapêutico , Roxitromicina/uso terapêutico , Cirurgia Torácica Vídeoassistida , Toracostomia , Tomografia Computadorizada por Raios X
18.
Intern Med J ; 41(1b): 102-9, 2011 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-21272174

RESUMO

The use of oral prophylactic antibiotics in patients with neutropenia is controversial and not recommended by this group because of a lack of evidence showing a reduction in mortality and concerns that such practice promotes antimicrobial resistance. Recent evidence has demonstrated non-significant but consistent, improvement in all-cause mortality when fluoroquinolones (FQs) are used as primary prophylaxis. However, the consensus was that this evidence was not strong enough to recommend prophylaxis. The evidence base for FQ prophylaxis is presented alongside current consensus opinion to guide the appropriate and judicious use of these agents. Due consideration is given to patient risk, as it pertains to specific patient populations, as well as the net effect on selective pressure from antibiotics if FQ prophylaxis is routinely used in a target population. The potential costs and consequences of emerging FQ resistance, particularly among Escherichia coli, Clostridium difficile and Gram-positive organisms, are considered. As FQ prophylaxis has been advocated in some chemotherapy protocols, specific regard is given to whether FQ prophylaxis should be used to support these regimens. The group also provides recommendations for monitoring and surveillance of emerging resistance in those centres that have adopted FQ prophylaxis.


Assuntos
Antibacterianos/uso terapêutico , Antibioticoprofilaxia/normas , Infecções Bacterianas/prevenção & controle , Febre/prevenção & controle , Fluoroquinolonas/uso terapêutico , Neoplasias/complicações , Neutropenia/complicações , Adulto , Antibacterianos/administração & dosagem , Antibacterianos/efeitos adversos , Antineoplásicos/efeitos adversos , Antineoplásicos/uso terapêutico , Infecções Bacterianas/complicações , Infecções Bacterianas/tratamento farmacológico , Institutos de Câncer/normas , Carcinoma Pulmonar de Células não Pequenas/complicações , Carcinoma Pulmonar de Células não Pequenas/tratamento farmacológico , Terapia Combinada , Contraindicações , Monitoramento de Medicamentos , Farmacorresistência Bacteriana Múltipla , Medicina Baseada em Evidências , Febre/tratamento farmacológico , Febre/etiologia , Fluoroquinolonas/administração & dosagem , Fluoroquinolonas/efeitos adversos , Neoplasias Hematológicas/complicações , Neoplasias Hematológicas/tratamento farmacológico , Neoplasias Hematológicas/cirurgia , Transplante de Células-Tronco Hematopoéticas , Humanos , Neoplasias Pulmonares/complicações , Neoplasias Pulmonares/tratamento farmacológico , Neoplasias/tratamento farmacológico , Neoplasias/cirurgia
19.
Intern Med J ; 41(1b): 121-9, 2011 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-21272176

RESUMO

BACKGROUND: Although the incidence of neutropenic fever (FN) is estimated to be up to 80% for some malignancies, the epidemiological characteristics and economic burden are not well understood for Australian patients. AIMS: To describe underlying malignant conditions, potential aetiologies, clinical outcomes and healthcare utilization for an Australian population with FN, and to estimate the economic burden of this condition within the Australian healthcare sector. METHODS: Epidemiological features of FN were extracted from a population-based hospital morbidity dataset, the Victorian Admitted Episodes Dataset (VAED), for a 12-month period (2008). These were analysed according for a range of malignancy categories. Economic burden of hospitalizations was estimated according to data presented in the Round 12 National Hospital Cost Data Collection Report. RESULTS: A total of 2599 admitted episodes across 92 Victorian hospitals fulfilled inclusion criteria for FN. Metropolitan hospitalizations accounted for 79% episodes. FN illness comprised underlying solid tumours diagnoses (40%), followed by leukaemia (29.3%), lymphoma (22%) and myeloma (8.5%). Length of hospital stay was >15 days for approximately one-third of hospitalizations. intensive care unit admission rates were 5.9-11.7%. Weighted average costs of hospitalization (AUD) for solid tumours, lymphoma, myeloma and leukaemia were $8309 ± $391, 18,145 ± $1602, $21,764 ± $1289 and $22,596 ± $2618 respectively. CONCLUSIONS: Using VAED indices, epidemiological features of Australian patients with FN appear comparable with international reports. In contrast to US data, estimated healthcare costs are up to 50% lower in the Australian healthcare sector. These data offer important insights for prioritizing of research agendas and resource allocation.


Assuntos
Institutos de Câncer/estatística & dados numéricos , Febre/tratamento farmacológico , Custos Hospitalares/estatística & dados numéricos , Neoplasias/complicações , Neutropenia/complicações , Adulto , Anti-Infecciosos/economia , Anti-Infecciosos/uso terapêutico , Infecções Bacterianas/complicações , Infecções Bacterianas/tratamento farmacológico , Infecções Bacterianas/economia , Infecções Bacterianas/epidemiologia , Custos e Análise de Custo , Cuidados Críticos/economia , Cuidados Críticos/estatística & dados numéricos , Infecção Hospitalar/complicações , Infecção Hospitalar/tratamento farmacológico , Infecção Hospitalar/economia , Infecção Hospitalar/epidemiologia , Bases de Dados Factuais , Grupos Diagnósticos Relacionados , Febre/economia , Febre/epidemiologia , Febre/etiologia , Hospitalização/economia , Humanos , Incidência , Tempo de Internação/economia , Tempo de Internação/estatística & dados numéricos , Micoses/complicações , Micoses/tratamento farmacológico , Micoses/economia , Micoses/epidemiologia , Neoplasias/tratamento farmacológico , Neoplasias/economia , Neoplasias/epidemiologia , Neutropenia/induzido quimicamente , Neutropenia/economia , Neutropenia/epidemiologia , Prevalência , Vitória/epidemiologia
20.
Intern Med J ; 41(1b): 82-9, 2011 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-21272172

RESUMO

Utilization of risk-stratification tools in the setting of neutropenic fever is currently limited by inadequate knowledge and lack of awareness. Within this context, the approach to management of low-risk patients with neutropenic fever is inconsistent with the available evidence across many Australian treating centres. These clinical guidelines define and clarify an accepted standard of care for this patient group given the current evidence base. The Multinational Association for Supportive Care in Cancer risk index is presented as the preferred risk assessment tool for determining patient risk. Suitability of ambulatory care within specific patient populations is discussed, with defined eligibility criteria provided to guide clinical decision-making. Detailed recommendations for implementing appropriate ambulatory strategies, such as early discharge and outpatient antibiotic therapy, are also provided. Due consideration is given to infrastructural requirements and other supportive measures at a resourcing and operational level. An analysis of the relevant health economics is also presented.


Assuntos
Assistência Ambulatorial/métodos , Gerenciamento Clínico , Febre/tratamento farmacológico , Neoplasias/complicações , Neutropenia/complicações , Gestão de Riscos , Índice de Gravidade de Doença , Adulto , Assistência Ambulatorial/organização & administração , Antibacterianos/uso terapêutico , Austrália , Institutos de Câncer/organização & administração , Institutos de Câncer/normas , Farmacorresistência Bacteriana Múltipla , Medicina Baseada em Evidências , Febre/etiologia , Humanos , Equipe de Assistência ao Paciente , Alta do Paciente , Padrões de Prática Médica , Recidiva , Risco
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