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Treating children without antibiotics in primary healthcare.

ABSTRACT: The overuse of antibiotics in children is becoming a major public health problem. Although most of the common childhood infections such as diarrhea and upper respiratory tract infections are caused by viruses, large volumes of antibiotics are prescribed for these infections in children in the primary care settings. Excessive use of antibiotics is the fundamental risk factor for the development of antibiotic resistance. It is estimated that 90% of upper respiratory tract infections are self limiting viral illnesses and even bacterial infections like acute otitis media often run a self limiting course. Clinical trials have shown that antibiotic use to treat common upper respiratory tract infections like sore throat, nasopharyngitis and otitis media has no or minimal benefit on the clinical outcome. This report discusses two strategies considered to reduce the use of antibiotic in these conditions: i) No prescription, and ii) Delayed prescription of antibiotics for common upper respiratory tract infections. Moreover, this report calls for a significant modification of the prescribing habits of physicians, and to also extend community awareness on the harms of the misuse and overuse of antibiotics. It is imperative to educate health workers as well as the Community in a coordinated and sustainable manner about the growing public health problem of antibiotic resistance.

SUBMITTER: Kutty N

PROVIDER: S-EPMC3215439 | biostudies-other | 2011 Sep

REPOSITORIES: biostudies-other

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Project description:BackgroundProphylactic cranial irradiation has been a standard treatment in children with acute lymphoblastic leukemia (ALL) who are at high risk for central nervous system (CNS) relapse.MethodsWe conducted a clinical trial to test whether prophylactic cranial irradiation could be omitted from treatment in all children with newly diagnosed ALL. A total of 498 patients who could be evaluated were enrolled. Treatment intensity was based on presenting features and the level of minimal residual disease after remission-induction treatment. The duration of continuous complete remission in the 71 patients who previously would have received prophylactic cranial irradiation was compared with that of 56 historical controls who received it.ResultsThe 5-year event-free and overall survival probabilities for all 498 patients were 85.6% (95% confidence interval [CI], 79.9 to 91.3) and 93.5% (95% CI, 89.8 to 97.2), respectively. The 5-year cumulative risk of isolated CNS relapse was 2.7% (95% CI, 1.1 to 4.3), and that of any CNS relapse (including isolated relapse and combined relapse) was 3.9% (95% CI, 1.9 to 5.9). The 71 patients had significantly longer continuous complete remission than the 56 historical controls (P=0.04). All 11 patients with isolated CNS relapse remained in second remission for 0.4 to 5.5 years. CNS leukemia (CNS-3 status) or a traumatic lumbar puncture with blast cells at diagnosis and a high level of minimal residual disease (> or = 1%) after 6 weeks of remission induction were significantly associated with poorer event-free survival. Risk factors for CNS relapse included the genetic abnormality t(1;19)(TCF3-PBX1), any CNS involvement at diagnosis, and T-cell immunophenotype. Common adverse effects included allergic reactions to asparaginase, osteonecrosis, thrombosis, and disseminated fungal infection.ConclusionsWith effective risk-adjusted chemotherapy, prophylactic cranial irradiation can be safely omitted from the treatment of childhood ALL. (ClinicalTrials.gov number, NCT00137111.)

Project description:Guidelines recommend administration of antibiotics with activity against methicillin-resistant Staphylococcus aureus (MRSA) and Pseudomonas aeruginosa for treatment of healthcare-associated pneumonia (HCAP). It is unclear if this therapy improves outcomes for patients with HCAP.To determine if administration of guideline-similar therapy (GST) was associated with a reduction in 30-day mortality for HCAP.Multi-center retrospective study.Thirteen hundred and eleven admissions for HCAP in six Veterans Affairs Medical Centers.Each admission was classified as receiving GST, anti-MRSA or anti-pseudomonal components of GST, or other non-HCAP therapy initiated within 48 hours of hospitalization. Association between 30-day mortality and GST was estimated with a logistic regression model that included GST, propensity to receive GST, probability of recovering an organism from culture resistant to antibiotics traditionally used to treat community-acquired pneumonia (CAP-resistance), and a GST by CAP-resistance probability interaction.Odds ratios and 95% confidence intervals [OR (95% CI)] of 30-day mortality for patients treated with GST and predicted probability of recovering a CAP-resistant organism, and ratio of odds ratios [ROR (95% CI)] for treatment by CAP-resistance probability interaction.Receipt of GST was associated with increased odds of 30-day mortality [OR = 2.11 (1.11, 4.04), P = 0.02)] as was the predicted probability of recovering a CAP-resistant organism [OR = 1.67 (1.26, 2.20), P < 0.001 for a 25% increase in probability]. An interaction between predicted probability of recovering a CAP-resistant organism and receipt of GST demonstrated lower mortality with GST at high probability of CAP resistance [ROR = 0.71(?1.00) for a 25% increase in probability, P = 0.05].For HCAP patients with high probability of CAP-resistant organisms, GST was associated with lower mortality. Consideration of the magnitude of patient-specific risk for CAP-resistant organisms should be considered when selecting HCAP therapy.

Project description:Bacterial infection within the synovial joint, commonly known as septic arthritis, remains a clinical challenge as it presents two concurrent therapeutic goals of reducing bacterial burden and preservation of articular cartilage from destructive host inflammation. We hypothesized that mitigation of MRSA-induced inflammatory signaling could diminish destruction of articular cartilage in the setting of septic arthritis when used in conjunction with antibiotics. Herein, we provide evidence which supports a new therapeutic notion that concurrent antimicrobial therapy to address the 'septic' component of the disease with inflammation mitigation to manage the destructive 'arthritis' component. We established a murine model to mimic septic knee arthritis, as well as a variety of other inflammatory joint conditions. This murine septic arthritis model, in conjunction with in vitro and ex-vivo models, was utilized to characterize the inflammatory profile seen in active septic arthritis, as well as post-antibiotic treatment, via transcriptomic and histologic studies. Finally, we provided the clinical rationale for a novel therapeutic strategy combining enhanced antibiotic treatment with rifampin and adjuvant immunomodulation to inhibit post-infectious, excess chondrolysis and osteolysis. We identified that septic arthritis secondary to MRSA infection in our murine model led to increased articular cartilage damage compared to various types of inflammatory arthritis. The activation of the pERK1/2 signaling pathway, which is implicated with the mounting of an immune response and generation of inflammation, was increased in intracellular MRSA-infected synovial tissue and persisted despite antibiotic treatment. Trametinib, an inhibitor of ERK signaling through suppression of MEK1/2, alleviated the inflammation produced by the addition of intra-articular, heat-killed MRSA. Further, when combined with vancomycin and rifampin, mitigation of inflammation by pERK1/2 targeting improved outcomes for MRSA septic arthritis by conferring chondroprotection to articular cartilage and diminishing inflammatory osteolysis within bone. Our results support a new therapeutic notion that cell/biofilm-penetrating antibiotics alongside adjuvant mitigation of excessive intra-articular inflammation accomplish distinct therapeutic goals: reduction of bacterial burden and preservation of articular cartilage integrity.

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Treating children without antibiotics in primary healthcare.

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