BACKGROUND: Outpatient Parenteral Antimicrobial Therapy (OPAT), an alternative to inpatient intravenous antibiotic therapy, has shown benefits in international studies such as increased patient satisfaction. Because OPAT has been used only sporadically in Germany so far, no structured results on patients\' experiences and concerns regarding OPAT have yet been available. This study therefore aims to explore the experiences of OPAT patients in a pilot region in Germany.
METHODS: This is an observational study in a German pilot region, including a survey of 58 patients on their experiences with OPAT, and in-depth interviews with 12 patients (explanatory-sequential mixed-methods design).
RESULTS: Patients reported that they were satisfied with OPAT. That a hospital discharge was possible and anti-infective therapy could be continued in the home environment was rated as being particularly positive. In the beginning, many patients in the interviews were unsure about being able to administer the antibiotic therapy at home on their own. However, healthcare providers (doctors and pharmacy service provider staff) were able to allay these concerns. Patients appreciated regular contact with care providers. There were suggestions for improvement, particularly concerning the organization of the weekly check-up appointments and the provision of information about OPAT.
CONCLUSIONS: Patients were generally satisfied with OPAT. However, the treatment structures in Germany still need to be expanded to ensure comprehensive and high-quality OPAT care.
BACKGROUND: NCT04002453, https://www.
RESULTS: gov/ , (registration date: 2019-06-21).

BACKGROUND: The area under the curve (AUC) to minimum inhibitory concentration (MIC) ratio is proposed as a therapeutic drug-monitoring parameter for dosing vancomycin continuous infusion in methicillin-resistant Staphylococcus aureus (MRSA) infection. Individualised pharmacokinetic-pharmacodynamic (PK/PD) calculation of AUC24 may better represent therapeutic dosing than current Therapeutic Drug Monitoring (TDM) practices, targeting a Steady State Concentration of 15-25 mg/L.
OBJECTIVE: To compare real world TDM practice to theoretical, individualised, PK/PD target parameters utilising Bayesian predictions to steady state concentrations (Css) for outpatients on continuous vancomycin infusions.
METHODS: A retrospective single centre study was conducted at a tertiary hospital on adult patients, enrolled in an outpatient parenteral antimicrobial therapy (OPAT) program, receiving vancomycin infusions for MRSA infection. Retrospective Bayesian dosing was modelled to target PK/PD parameters and compared to real world data.
RESULTS: Fifteen patients were evaluated with 53% (8/15) achieved target CSS during hospitalisation, and 83% (13/15) as outpatient. Median Bayesian AUC/MIC was 613 mg.h/L with CSS 25 mg/L. Patients suffering an Acute Kidney Injury (33%) had higher AUC0-24/MIC values. Retrospective Bayesian modelling demonstrated on median 250 mg/24 h lower doses than that administered was required (R2 = 0.81) which achieved AUC24/MIC median 444.8 (range 405-460) mg.h/L and CSS 18.8 (range 16.8-20.4) mg/L.
CONCLUSIONS: Bayesian modelling could assist in obtaining more timely target parameters at lower doses for patients receiving continuous vancomycin infusion as part of an OPAT program, which may beget fewer adverse effects. Utilisation of personalised predictive modelling may optimise vancomycin prescribing, achieving earlier target concentrations as compared to empiric dosing regimens.

Background In the Netherlands, home treatment with intravenous antimicrobial therapy is a relatively new concept. Although several studies have shown that outpatient parenteral antimicrobial therapy (OPAT) can be administered safely, people receiving antimicrobials at home remain at risk for adverse events, including readmission. Aim The aim of our retrospective study was to identify risk factors for readmission in patients discharged with OPAT. Method Patients who were at least 18 years or older, discharged with OPAT between January 2016-December 2018 were included. Variables that were collected consisted of baseline demographics, complications, readmission within 30 days and treatment failure. Multivariate logistic regression analysis was performed to identify risk factors for readmission. Results A total of 247 patients were included; the most common reason for OPAT was bone and joint infections (17%). Penicillin (37%), cephalosporin (26%) and vancomycin/aminoglycoside (15%) were the most commonly prescribed antimicrobials. Among patients receiving medication subject to therapeutic drug monitoring (i.e. aminoglycosides or vancomycin), 51% (19/37) received weekly therapeutic drug monitoring. Receiving aminoglycosides or vancomycin (adjusted OR 2.05; 95% CI 1.30-3.25, p < 0.05) and infection of prosthetic material (adjusted OR 2.92, 95% CI 1.11-7.65, p < 0.05) were independent risk factors associated with readmission. Conclusion Although patients receiving medication subject to therapeutic drug monitoring are at higher risk of readmission, only half of the patients discharged with aminoglycosides or vancomycin were monitored according to IDSA guidelines. A specialized team in charge of monitoring patients with OPAT is more likely to increase the rate of monitoring to prevent readmissions and complications.

Subcutaneous (SC) administration of ertapenem in outpatient parenteral antimicrobial therapy (OPAT) services may be a practical alternative to intravenous delivery for complicated infections. The clinical features and outcomes according to route of administration were compared from a large Australian OPAT service. Chronic renal impairment was more common in the SC group, reflecting an opportunity for route of administration as a vein preservation strategy. Adverse events were uncommon and successful outcomes were not different between the groups.

Based on recent pharmacokinetic/pharmacodynamic (PK/PD) evidence, continuous-infusion (CI) β-lactam administration is increasingly recommended for serious infections. Since 2016, the combination ceftazidime/avibactam (CAZ/AVI) is administered as per the manufacturer\'s instructions as an intermittent infusion of 2.5 g every 8 h. Thus, CI has not yet been evaluated in clinical trials.
We aimed to evaluate the use of CI of CAZ/AVI in a retrospective case series from December 2016 to October 2019. All isolates displayed in vitro susceptibility to CAZ/AVI according to EUCAST definitions. Patients were initially given CAZ/AVI as CI of 5 g every 12 h, and dosages were adjusted according to therapeutic drug monitoring of ceftazidime with a therapeutic goal of ≥4-5 × MIC in plasma and/or at the site of infection.
CAZ/AVI was administered by CI in 10 patients with infections mainly caused by multidrug-resistant Pseudomonas aeruginosa (54.5%) and Klebsiella pneumoniae (36.4%). Bacteraemia occurred in 30% of cases. Sepsis or septic shock was present in 20% of cases. CAZ/AVI was used as monotherapy in 60% of cases. Clinical cure and microbiological eradication were achieved in 80% and 90% of cases, respectively. The 30-day mortality after CAZ/AVI treatment onset was 10%. The therapeutic goals of ≥4-5 × MIC in plasma and/or at the site of infection were achieved in 100% and 87.5% of cases, respectively, without adverse events.
Despite a limited number of patients, CI of CAZ/AVI provided promising results after optimisation of PK/PD parameters both in plasma and at the site of infection.

UNASSIGNED: Previous studies have described the use of cefazolin with probenecid to treat uncomplicated skin and soft-tissue infections. Some prescribers are extrapolating from this evidence to treat more invasive infections, which have a greater potential for poor outcomes, including treatment failure that could lead to increased morbidity and mortality. Information supporting cefazolin with probenecid as effective treatment in this context is needed.
UNASSIGNED: To describe prescribing patterns and outcomes for patients who received cefazolin with probenecid for the treatment of bone and joint infections.
UNASSIGNED: This single-centre retrospective study involved adult outpatients for whom cefazolin and probenecid were prescribed for bone and joint infections between April 1, 2012, and March 31, 2017. Patient charts were reviewed, and data were collected for clinical and microbiological variables using a standardized data collection form.
UNASSIGNED: In a total of 80 cases, the patient received cefazolin and probenecid for treatment of a bone or joint infection, of which 69 cases met the inclusion criteria. In most cases (n = 67), the patients were treated with cefazolin 2 g IV plus probenecid 1 g PO, both given twice daily. Completion of prescribed treatment occurred in 56 patient cases (81%), resolution of signs and symptoms in 53 (77%), readmission to hospital in 11 (16%), recurrence of infection in 6 (9%), and treatment failure requiring a change in therapy in 7 (10%).
UNASSIGNED: The effectiveness of cefazolin and probenecid for the treatment of bone and joint infections appears to be similar to that of standard treatment, as reported in the literature. Antibiotic effectiveness is difficult to determine conclusively in a retrospective analysis, so these results should be interpreted with caution, but they may stimulate further research.
UNASSIGNED: Des études précédentes ont décrit l’utilisation de la céfazoline et du probénécide pour traiter les infections cutanées et les infections de tissus mous. Quelques prescripteurs extrapolent ces éléments probants pour traiter des infections plus invasives, dont les résultats risquent d’être défavorables, comme un échec du traitement pouvant entraîner une morbidité et une mortalité accrues. De l’information supplémentaire étayant l’efficacité du traitement à l’aide de la céfazoline et du probénécide dans ce contexte est nécessaire.
UNASSIGNED: Décrire les modes de prescription et les résultats obtenus par des patients ayant reçu de la céfazoline et du probénécide pour traiter des infections osseuses et articulaires.
UNASSIGNED: Cette étude rétrospective unicentrique porte sur des patients ambulatoires adultes à qui on a prescrit de la céfazoline et du probénécide pour traiter des infections osseuses et articulaires entre le 1er avril 2012 et le 31 mars 2017. L’examen des dossiers médicaux des patients a permis la récolte de données sur les variables cliniques et microbiologiques à l’aide d’un formulaire de recueil de données standard.
UNASSIGNED: Les patients, soit 80 cas en tout, ont reçu de la céfazoline et du probénécide pour traiter une infection osseuse ou articulaire et 69 de ces cas répondaient aux critères d’inclusion. Dans la plupart des cas (n = 67), les patients étaient traités avec de la céfazoline IV dosée à 2 g et du probénécide dosé à 1 g PO, les deux produits étant administrés deux fois par jour. Le traitement a été appliqué au complet dans 56 cas (81 %), la résolution des signes et des symptômes a eu lieu dans 53 cas (77 %), la réadmission à l’hôpital s’est produite dans 11 cas (16 %), les infections ont récidivé dans 6 cas (9 %) et le traitement s’est soldé par un échec et a nécessité un changement de thérapie dans 7 cas (10 %).
UNASSIGNED: L’efficacité de la céfazoline et du probénécide dans le traitement des infections osseuses et articulaires semble être similaire à celle des traitements standard, comme le rapporte la littérature scientifique. L’efficacité des antibiotiques est difficile à déterminer de façon concluante dans une analyse rétrospective, ces résultats doivent donc être interprétés avec prudence, mais ils pourraient stimuler des recherches supplémentaires.

BACKGROUND: The recently published guidelines of the Spanish Society of Pulmonology and Thoracic Surgery encourage physicians to use outpatient antimicrobial therapy to treat exacerbations in patients with non-cystic fibrosis bronchiectasis (NCFB). The published literature on this topic, however, is scarce.
METHODS: We report a prospective observational cohort study of patients with NCFB who received treatment at home for at least one exacerbation episode between September 2012 and September 2017 as part of an outpatient parenteral antimicrobial therapy (OPAT) program. Patients were included in the analysis if they fulfilled all of the following criteria: established diagnosis of bronchiectasis according to current guidelines criteria, clinical exacerbation, requiring intravenous antibiotics because of failure to respond to oral antibiotics, or isolation of a microorganism resistant to oral options.
OBJECTIVE: To evaluate the effectiveness and safety of the treatment of patients with NCFB exacerbations in an OPAT program under \"real-world\" conditions.
RESULTS: Sixty-seven patients were treated in the OPAT program due to bacterial exacerbations of NCFB. Forty-five (67.2%) patients were admitted to hospital for a median of 7 days before starting OPAT. Sixty-three (94%) patients achieved resolution of the exacerbation at the end of therapy. Four patients needed hospital readmission, and one died. The OPAT program saved 11,586 days of hospital admission, equivalent to EUR 7,866,904.
CONCLUSIONS: OPAT appears to be a safe, effective, and efficient strategy for treating patients with exacerbations of NCFB.

Current outpatient parenteral antimicrobial therapy (OPAT) guidelines recommend delivering patient-centred care. However, little is known about what patients define as good quality of OPAT care and what their needs and preferences are.The aim of this qualitative study is to explore the patients\' perspective on high-quality care, and to explore what patient-centred care means to adult OPAT patients.
This is an explorative, descriptive study using qualitative methods. We conducted focus group interviews with 16 adult patients (5 female, 11 male) from 3 different hospitals, who received OPAT and 2 individual semistructured interviews with their informal caregivers in the Netherlands. We used purposive sampling to ensure diversity of participants. We used the eight Picker principles of patient-centredness to guide data collection and analysis.
Participants reported several elements considered as important for patient-centred OPAT care, like patient involvement in the decision-making process, a responsible OPAT lead, intensive collaboration between all disciplines involved, information provision and adherence to hygiene guidelines. Two central dimensions emerged as essential constituents of patient-centred OPAT care: freedom and safety. Both are heavily influenced by the behaviours of healthcare professionals and by organisational aspects beyond the direct influence of these professionals.
This study provides insights into the needs and preferences of adult patients who receive OPAT care. Future interventions directed at the improvement of patient-centredness of OPAT care should focus on elements that enhance patients\' feelings of freedom and safety.

This study aimed to evaluate the effectiveness and safety of teicoplanin for treating enterococcal infective endocarditis (EIE). A retrospective analysis of a prospective cohort of definite EIE patients treated with teicoplanin in a Spanish referral centre (2000-2017) was performed. The primary outcome was mortality during treatment. Secondary outcomes were mortality during 3-month follow-up, adverse effects and relapse. A total of 22 patients received teicoplanin, 9 (40.9%) as first-line (8 Enterococcus faecium and 1 Enterococcus faecalis) and 13 (59.1%) as salvage therapy (13 E. faecalis). Median (IQR) age was 71.5 (58.3-78) years and Charlson comorbidity index was 4.5 (3-7). Five (22.7%) affected prosthetic valves. Median duration of treatment in survivors was 53 (42.5-61) days for antibiotics and 27 (17-41.5) days for teicoplanin [median dose 10 (10-10.8) mg/kg/day]. Reasons for teicoplanin use were resistance to β-lactams (40.9%), adverse events with previous regimens (31.8%) and outpatient parenteral antimicrobial therapy (OPAT) (27.3%). Teicoplanin was withdrawn due to adverse events in 2 patients (9.1%). Five patients (22.7%) died during treatment: four in the first-line (three with surgery indicated but not performed) and one in the salvage therapy group (surgery indicated but not performed). Two deaths (11.8%) occurred over the 3-month follow-up. There were no relapses during a median of 43.2 (22.1-69.1) months. Teicoplanin can be used as an alternative treatment for susceptible E. faecium IE and as a salvage therapy in selected patients with E. faecalis IE when adverse events develop with standard regimens or to allow OPAT.