0000000000075699

AUTHOR

Alessandra Oliva

showing 4 related works from this author

Ceftazidime-avibactam use for klebsiella pneumoniae carbapenemase-producing k. pneumoniae infections: A retrospective observational multicenter study

2021

Abstract Background A growing body of observational evidence supports the value of ceftazidime-avibactam (CAZ-AVI) in managing infections caused by carbapenem-resistant Enterobacteriaceae. Methods We retrospectively analyzed observational data on use and outcomes of CAZ-AVI therapy for infections caused by Klebsiella pneumoniae carbapenemase–producing K. pneumoniae (KPC-Kp) strains. Multivariate regression analysis was used to identify variables independently associated with 30-day mortality. Results were adjusted for propensity score for receipt of CAZ-AVI combination regimens versus CAZ-AVI monotherapy. Results The cohort comprised 577 adults with bloodstream infections (n = 391) or nonba…

Microbiology (medical)Adultmedicine.medical_specialtyAzabicyclo CompoundcarbapenemasesBacterial ProteinMicrobial Sensitivity TestsNeutropeniaCeftazidimebeta-Lactamasesbeta-LactamaseCarbapenemasecarbapenemaseBacterial ProteinsRetrospective StudieLower respiratory tract infectionInternal medicineDrug CombinationAnti-Bacterial AgentmedicineHumansKPC-producing Klebsiella pneumoniaeRetrospective StudiesSeptic shockbusiness.industryCeftazidime-avibactamMicrobial Sensitivity Testceftazidime-avibactamMortality rateCarbapenemases; Ceftazidime-avibactam; KPC-producing Klebsiella pneumoniae; Adult; Anti-Bacterial Agents; Azabicyclo Compounds; Bacterial Proteins; Ceftazidime; Drug Combinations; Humans; Microbial Sensitivity Tests; Retrospective Studies; beta-Lactamases; Klebsiella Infections; Klebsiella pneumoniaeKPC-producing Klebsiella pneumoniae; carbapenemases; ceftazidime-avibactammedicine.diseaseCeftazidime/avibactamSettore MED/17KPC-producing Klebsiella pneumoniae; carbapenemases; ceftazidime-avibactam; Adult; Anti-Bacterial Agents; Azabicyclo Compounds; Bacterial Proteins; Ceftazidime; Drug Combinations; Humans; Microbial Sensitivity Tests; Retrospective Studies; beta-Lactamases; Klebsiella Infections; Klebsiella pneumoniaeAnti-Bacterial AgentsKlebsiella InfectionsDrug CombinationsKlebsiella pneumoniaeInfectious DiseasesCohortPropensity score matchingObservational studybusinessAzabicyclo Compoundsmedicine.drugHumanKlebsiella Infection
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Compassionate use of meropenem/vaborbactam for infections caused by KPC-producing Klebsiella pneumoniae: a multicentre study

2022

Abstract Objectives To explore the real-life performance of meropenem/vaborbactam for treating serious KPC-producing Klebsiella pneumoniae infections, including those resistant to ceftazidime/avibactam. Methods A retrospective observational cohort study was conducted in 12 Italian hospitals. Enrolled patients had K. pneumoniae carbapenemase (KPC)-producing K. pneumoniae (KPC-Kp) infections (59.5% of which were ceftazidime/avibactam resistant). Patients who received ≥72 h of meropenem/vaborbactam therapy (with or without other antimicrobials) in a compassionate-use setting were included. Results The 37 infections (all hospital-acquired) were mainly bacteraemic (BSIs, n = 23) or lower respira…

meropenemKPC-producing Klebsiella pneumoniae infectionMeropenem vaborbactamvaborbactam.
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Clinical Experience with Ceftazidime-Avibactam for the Treatment of Infections due to Multidrug-Resistant Gram-Negative Bacteria Other than Carbapene…

2020

Background: Experience in real clinical practice with ceftazidime-avibactam for the treatment of serious infections due to gram&minus

Nosocomial pneumonia0301 basic medicineMicrobiology (medical)medicine.medical_specialtymedicine.drug_classmedicine.medical_treatment030106 microbiologyAntibioticscarbapenem-sparing regimenBiologymedicine.disease_causeBiochemistryMicrobiologyArticleCarbapenem-sparing regimen; Ceftazidime-avibactam; ESBL-producing Enterobacterales; Nosocomial pneumonia; Pseudomonas aeruginosa03 medical and health sciences0302 clinical medicineESBL-producing EnterobacteralesCarbapenem-sparing regimenInternal medicinemedicinePharmacology (medical)030212 general & internal medicineRenal replacement therapyGeneral Pharmacology Toxicology and PharmaceuticsRisk factorAdverse effectESBL-producing Enterobacterales; Pseudomonas aeruginosa; carbapenem-sparing regimen; ceftazidime-avibactam; nosocomial pneumoniaCeftazidime-avibactamPseudomonas aeruginosaceftazidime-avibactamnosocomial pneumonialcsh:RM1-950medicine.diseaseCeftazidime/avibactamPneumonialcsh:Therapeutics. PharmacologyInfectious DiseasesEndocrinologyBacteremiaPseudomonas aeruginosaESBL-producing Enterobacteralemedicine.drugAntibiotics
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Accumulation of dysfunctional effector CD8+T cells in the liver of patients with chronic HCV infection

2005

Background/Aims Hepatitis C virus (HCV) causes a chronic infection that can lead to fibrosis and carcinoma. Immune responses mediated by cytotoxic T lymphocytes (CTLs) could be involved in viral clearance or persistence, and therefore in determining the course of the disease. Methods Intrahepatic and peripheral blood CD8+T cells were obtained from 32 HCV-chronically infected patients and analysed by flow-cytometry for surface markers of differentiation, IFNγ and TNFα production, degranulation capacity and perforin content, after CD3 triggering. Results were compared with those obtained from 13 patients with a non-viral liver disease. Results Intrahepatic CD8+T cells of HCV-infected patients…

AdultMalePore Forming Cytotoxic ProteinsCD3ApoptosisCD8-Positive T-LymphocytesInterferon-gammaLiver diseaseImmune systemHumansMedicineCytotoxic T cellAgedMembrane GlycoproteinsHepatologybiologyPerforinTumor Necrosis Factor-alphabusiness.industryDegranulationHepatitis C ChronicMiddle Agedmedicine.diseaseAcquired immune systemPhenotypeLiverPerforinImmunologybiology.proteinFemalebusinessCD8Follow-Up StudiesT-Lymphocytes CytotoxicJournal of Hepatology
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