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  1. Article ; Online: Software to predict the right dose for vancomycin in a clinical environment-A commentary on: Personalised dosing of vancomycin: A prospective and retrospective comparative quasi-experimental study by Luqman Vali et al.

    Dijkstra, Jacob A / Veldkamp, Agnes I / Sieswerda, Elske / van Agtmael, Michiel

    British journal of clinical pharmacology

    2021  Volume 87, Issue 9, Page(s) 3481–3482

    MeSH term(s) Anti-Bacterial Agents/adverse effects ; Humans ; Prospective Studies ; Retrospective Studies ; Software ; Vancomycin/adverse effects
    Chemical Substances Anti-Bacterial Agents ; Vancomycin (6Q205EH1VU)
    Language English
    Publishing date 2021-02-27
    Publishing country England
    Document type Journal Article ; Comment
    ZDB-ID 188974-6
    ISSN 1365-2125 ; 0306-5251 ; 0264-3774
    ISSN (online) 1365-2125
    ISSN 0306-5251 ; 0264-3774
    DOI 10.1111/bcp.14765
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Vitek

    Sieswerda, Elske / Bosch, Thijs / Lankelma, Jacqueline M / Schouls, Leo M / Dijk, Karin van

    Future microbiology

    2021  Volume 16, Page(s) 777–781

    Abstract: Aim: ...

    Abstract Aim:
    MeSH term(s) Anti-Bacterial Agents/pharmacology ; Bacterial Proteins ; Ciprofloxacin/pharmacology ; Imipenem/pharmacology ; Microbial Sensitivity Tests ; Pseudomonas aeruginosa/drug effects ; Pseudomonas aeruginosa/genetics ; Tobramycin/pharmacology ; beta-Lactamases
    Chemical Substances Anti-Bacterial Agents ; Bacterial Proteins ; Ciprofloxacin (5E8K9I0O4U) ; Imipenem (71OTZ9ZE0A) ; beta-Lactamases (EC 3.5.2.6) ; carbapenemase (EC 3.5.2.6) ; Tobramycin (VZ8RRZ51VK)
    Language English
    Publishing date 2021-07-07
    Publishing country England
    Document type Journal Article
    ZDB-ID 2254620-0
    ISSN 1746-0921 ; 1746-0913
    ISSN (online) 1746-0921
    ISSN 1746-0913
    DOI 10.2217/fmb-2020-0024
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: An Age Dependent Pharyngeal Microbiota Signature Associated with SARS-CoV-2 Infection

    Budding, Andries / Sieswerda, Elske / Wintermans, Bastiaan / Bos, Martine

    SSRN Electronic Journal ; ISSN 1556-5068

    2020  

    Keywords covid19
    Language English
    Publisher Elsevier BV
    Publishing country us
    Document type Article ; Online
    DOI 10.2139/ssrn.3582780
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article ; Online: Guidance of empirical antimicrobial therapy by surveillance cultures in high-risk neutropenic patients: a retrospective cohort study.

    de la Court, Jara R / Heijmans, Jarom / Huynh, Jennifer / Sieswerda, Elske / de Jonge, Nick A / van Dijk, Karin / Sigaloff, Kim C E / Schade, Rogier P

    Antimicrobial resistance and infection control

    2022  Volume 11, Issue 1, Page(s) 160

    Abstract: Background: In neutropenic patients, bloodstream infections (BSI) significantly contribute to morbidity and mortality. Appropriate empirical antibiotic therapy (EAT) of BSI is essential, at the same time overconsumption of very broad-spectrum ... ...

    Abstract Background: In neutropenic patients, bloodstream infections (BSI) significantly contribute to morbidity and mortality. Appropriate empirical antibiotic therapy (EAT) of BSI is essential, at the same time overconsumption of very broad-spectrum antibiotics should be avoided. We investigated: (1) whether surveillance cultures can predict BSI with third-generation cephalosporin -resistant Enterobacterales and Pseudomonas aeruginosa (3GC-R), (2) the effect of inappropriate empirical antimicrobial therapy (IEAT) on clinical outcome and (3) the potential reduction of carbapenem use when using surveillance cultures to guide therapy.
    Methods: Retrospective study of adult patients with haematological malignancies with febrile episodes during chemotherapy-induced high-risk neutropenia in whom surveillance cultures were collected weekly. IEAT was defined as the absence of in vitro susceptibility of blood-isolates to the administered EAT. Clinical outcome (ICU admission and death) was evaluated within 30 days.
    Results: A total of 673 febrile episodes occurred among 372 high-risk neutropenic patients. BSI was present in 20.1% (135/673), of which 25.9% (35/135) were due to Enterobacterales and P. aeruginosa. Of these, 17/35 were 3GC-R and 70.6% (12/17) were preceded by 3GC-R colonization. Negative predictive value of surveillance cultures for 3GC-R BSI was 99.1%. IEAT due to (3GC-R) BSI was not significantly associated with clinical outcome. Using surveillance cultures to guide EAT could potentially reduce carbapenem use by 82.8%, when compared to standard EAT with carbapenem.
    Conclusions: This retrospective analysis shows that in patients with high-risk neutropenia, surveillance cultures can potentially reduce the use of carbapenems with infrequent IEAT for 3GC-R BSI and no negative impact on clinical outcome.
    MeSH term(s) Adult ; Humans ; Retrospective Studies ; Bacteremia/epidemiology ; Anti-Infective Agents/therapeutic use ; Neutropenia ; Carbapenems/therapeutic use ; Carbapenems/pharmacology ; Pseudomonas aeruginosa ; Sepsis/epidemiology
    Chemical Substances Anti-Infective Agents ; Carbapenems
    Language English
    Publishing date 2022-12-18
    Publishing country England
    Document type Journal Article
    ZDB-ID 2666706-X
    ISSN 2047-2994 ; 2047-2994
    ISSN (online) 2047-2994
    ISSN 2047-2994
    DOI 10.1186/s13756-022-01198-5
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Successful rescue treatment of sepsis due to a pandrug-resistant, NDM-producing Klebsiella pneumoniae using aztreonam powder for nebulizer solution as intravenous therapy in combination with ceftazidime/avibactam.

    Sieswerda, Elske / van den Brand, Marre / van den Berg, Roland B / Sträter, Joris / Schouls, Leo / van Dijk, Karin / Budding, Andries E

    The Journal of antimicrobial chemotherapy

    2019  Volume 75, Issue 3, Page(s) 773–775

    MeSH term(s) Anti-Bacterial Agents/therapeutic use ; Azabicyclo Compounds/therapeutic use ; Aztreonam ; Ceftazidime ; Drug Combinations ; Humans ; Klebsiella Infections/drug therapy ; Klebsiella pneumoniae ; Microbial Sensitivity Tests ; Nebulizers and Vaporizers ; Powders ; Sepsis/drug therapy ; beta-Lactamases
    Chemical Substances Anti-Bacterial Agents ; Azabicyclo Compounds ; Drug Combinations ; Powders ; avibactam (7352665165) ; Ceftazidime (9M416Z9QNR) ; beta-Lactamases (EC 3.5.2.6) ; Aztreonam (G2B4VE5GH8)
    Language English
    Publishing date 2019-11-26
    Publishing country England
    Document type Letter
    ZDB-ID 191709-2
    ISSN 1460-2091 ; 0305-7453
    ISSN (online) 1460-2091
    ISSN 0305-7453
    DOI 10.1093/jac/dkz495
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Using a BonE BiOPsy (BeBoP) to determine the causative agent in persons with diabetes and foot osteomyelitis: study protocol for a multicentre, randomised controlled trial.

    Gramberg, Meryl Cinzía Tila Tamara / Lagrand, Rimke Sabine / Sabelis, Louise Willy Elizabeth / den Heijer, Martin / de Groot, Vincent / Nieuwdorp, Max / Kortmann, Willemijn / Sieswerda, Elske / Peters, Edgar Josephus Gerardus

    Trials

    2021  Volume 22, Issue 1, Page(s) 517

    Abstract: Background: Diabetic foot osteomyelitis (DFO) poses a major disease burden. It can generally be treated with long-term antibacterial therapy. International guidelines recommend to base antibacterial therapy choices on percutaneous bone biopsy culture, ... ...

    Abstract Background: Diabetic foot osteomyelitis (DFO) poses a major disease burden. It can generally be treated with long-term antibacterial therapy. International guidelines recommend to base antibacterial therapy choices on percutaneous bone biopsy culture, while in practice, therapy is frequently based on (less invasive) ulcer bed cultures. It is currently unknown if treatment outcomes of DFO differ depending on the chosen diagnostic strategy.
    Methods: The BeBoP trial is a multicentre; randomised controlled; physician-, researcher- and subject-blinded; clinical trial comparing two diagnostic strategies in persons with DFO. Culture-directed antibacterial therapy will be based on either percutaneous bone biopsy culture results (intervention group) or ulcer bed biopsy culture results (comparison group). We will enrol 80 subjects with diabetes mellitus (≥ 18 years) and DFO, and we will use block randomisation stratified per centre to randomise them in a 1:1 allocation. The primary outcome is remission of DFO 12 months after enrolment. The secondary outcomes are the time to remission, signs of inflammation or ulceration at the primary location of infection at 6 and 12 months, microbiological and molecular profiles of culture outcomes, surgical interventions including amputation, total antibacterial therapy duration, infection-free survival days, adverse events, quality of life and survival. We will compare the outcomes by intention-to-treat and per-protocol analysis.
    Discussion: We aim to compare clinical remission in persons with DFO treated with antibacterial therapy based on either percutaneous bone biopsy culture results or ulcer bed biopsy culture results.
    Trial registration: Netherlands Trial Register NL 7582 . Registered on 05 March 2019.
    MeSH term(s) Biopsy ; Diabetes Mellitus ; Diabetic Foot/diagnosis ; Diabetic Foot/drug therapy ; Humans ; Multicenter Studies as Topic ; Netherlands ; Osteomyelitis/diagnosis ; Osteomyelitis/drug therapy ; Quality of Life ; Randomized Controlled Trials as Topic
    Language English
    Publishing date 2021-08-03
    Publishing country England
    Document type Clinical Trial Protocol ; Journal Article
    ZDB-ID 2040523-6
    ISSN 1745-6215 ; 1468-6694 ; 1468-6708
    ISSN (online) 1745-6215 ; 1468-6694
    ISSN 1468-6708
    DOI 10.1186/s13063-021-05472-6
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Antibiotic Therapy of 3 Days May Be Sufficient After Biliary Drainage for Acute Cholangitis: A Systematic Review.

    Haal, Sylke / Wielenga, Mattheus C B / Fockens, Paul / Leseman, Charlotte A / Ponsioen, Cyriel Y / van Soest, Ellert J / van Wanrooij, Roy L J / Sieswerda, Elske / Voermans, Rogier P

    Digestive diseases and sciences

    2021  Volume 66, Issue 12, Page(s) 4128–4139

    Abstract: Background: The optimal antibiotic therapy duration for cholangitis is unclear. Guideline recommendations vary between 4 and 14 days after biliary drainage. Clinical observations and some evidence however suggest that shorter antibiotic therapy may be ... ...

    Abstract Background: The optimal antibiotic therapy duration for cholangitis is unclear. Guideline recommendations vary between 4 and 14 days after biliary drainage. Clinical observations and some evidence however suggest that shorter antibiotic therapy may be sufficient.
    Objective: To compare the effectiveness and safety of short-course therapy of ≤ 3 days with long-course therapy of ≥ 4 days after biliary drainage in cholangitis patients.
    Methods: We searched the databases PubMed, EMBASE, Cochrane Library, and trial registers for literature up to August 5, 2020. RCTs and observational studies including case series reporting on antibiotic therapy duration for acute cholangitis were eligible for inclusion. Two reviewers independently evaluated study eligibility, extracted data, assessed risk of bias and quality of evidence. A meta-analysis was planned if the included studies were comparable with regard to important study characteristics. Primary outcomes included recurrent cholangitis, subsequent other infection, and mortality.
    Results: We included eight studies with 938 cholangitis patients. Four observational studies enrolled patients treated for ≤ 3 days. Recurrent cholangitis occurred in 0-26.8% of patients treated with short-course therapy, which did not differ from long-course therapy (range 0-21.1%). Subsequent other infection and mortality rates were also comparable. Quality of available evidence was very low.
    Conclusion: There is no high-quality evidence available to draw a strong conclusion, but heterogeneous observational studies suggest that antibiotic therapy of ≤ 3 days is sufficient in cholangitis patients with common bile duct stones.
    MeSH term(s) Acute Disease ; Anti-Bacterial Agents/administration & dosage ; Anti-Bacterial Agents/adverse effects ; Antibiotic Prophylaxis/adverse effects ; Cholangitis/diagnosis ; Cholangitis/therapy ; Drainage/adverse effects ; Drug Administration Schedule ; Evidence-Based Medicine ; Humans ; Time Factors ; Treatment Outcome
    Chemical Substances Anti-Bacterial Agents
    Language English
    Publishing date 2021-01-19
    Publishing country United States
    Document type Journal Article ; Meta-Analysis ; Systematic Review
    ZDB-ID 304250-9
    ISSN 1573-2568 ; 0163-2116
    ISSN (online) 1573-2568
    ISSN 0163-2116
    DOI 10.1007/s10620-020-06820-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Using a BonE BiOPsy (BeBoP) to determine the causative agent in persons with diabetes and foot osteomyelitis

    Meryl Cinzía Tila Tamara Gramberg / Rimke Sabine Lagrand / Louise Willy Elizabeth Sabelis / Martin den Heijer / Vincent de Groot / Max Nieuwdorp / Willemijn Kortmann / Elske Sieswerda / Edgar Josephus Gerardus Peters

    Trials, Vol 22, Iss 1, Pp 1-

    study protocol for a multicentre, randomised controlled trial

    2021  Volume 10

    Abstract: Abstract Background Diabetic foot osteomyelitis (DFO) poses a major disease burden. It can generally be treated with long-term antibacterial therapy. International guidelines recommend to base antibacterial therapy choices on percutaneous bone biopsy ... ...

    Abstract Abstract Background Diabetic foot osteomyelitis (DFO) poses a major disease burden. It can generally be treated with long-term antibacterial therapy. International guidelines recommend to base antibacterial therapy choices on percutaneous bone biopsy culture, while in practice, therapy is frequently based on (less invasive) ulcer bed cultures. It is currently unknown if treatment outcomes of DFO differ depending on the chosen diagnostic strategy. Methods The BeBoP trial is a multicentre; randomised controlled; physician-, researcher- and subject-blinded; clinical trial comparing two diagnostic strategies in persons with DFO. Culture-directed antibacterial therapy will be based on either percutaneous bone biopsy culture results (intervention group) or ulcer bed biopsy culture results (comparison group). We will enrol 80 subjects with diabetes mellitus (≥ 18 years) and DFO, and we will use block randomisation stratified per centre to randomise them in a 1:1 allocation. The primary outcome is remission of DFO 12 months after enrolment. The secondary outcomes are the time to remission, signs of inflammation or ulceration at the primary location of infection at 6 and 12 months, microbiological and molecular profiles of culture outcomes, surgical interventions including amputation, total antibacterial therapy duration, infection-free survival days, adverse events, quality of life and survival. We will compare the outcomes by intention-to-treat and per-protocol analysis. Discussion We aim to compare clinical remission in persons with DFO treated with antibacterial therapy based on either percutaneous bone biopsy culture results or ulcer bed biopsy culture results. Trial registration Netherlands Trial Register NL 7582 . Registered on 05 March 2019
    Keywords Osteomyelitis in diabetic foot ; Bone biopsy ; Antibacterial therapy ; Medicine (General) ; R5-920
    Subject code 616
    Language English
    Publishing date 2021-08-01T00:00:00Z
    Publisher BMC
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article ; Online: The 2021 Dutch Working Party on Antibiotic Policy (SWAB) guidelines for empirical antibacterial therapy of sepsis in adults.

    Sieswerda, Elske / Bax, Hannelore I / Hoogerwerf, Jacobien J / de Boer, Mark G J / Boermeester, Marja / Bonten, Marc J M / Dekker, Douwe / van Wijk, Roy Gerth / Juffermans, Nicole P / Kuindersma, Marnix / van der Linden, Paul D / Melles, Damian C / Pickkers, Peter / Schouten, Jeroen A / Rebel, Jasper R / van Zanten, Arthur R H / Prins, Jan M / Wiersinga, W Joost

    BMC infectious diseases

    2022  Volume 22, Issue 1, Page(s) 687

    Abstract: Background: The Dutch Working Party on Antibiotic Policy (SWAB) in collaboration with relevant professional societies, has updated their evidence-based guidelines on empiric antibacterial therapy of sepsis in adults.: Methods: Our multidisciplinary ... ...

    Abstract Background: The Dutch Working Party on Antibiotic Policy (SWAB) in collaboration with relevant professional societies, has updated their evidence-based guidelines on empiric antibacterial therapy of sepsis in adults.
    Methods: Our multidisciplinary guideline committee generated ten population, intervention, comparison, and outcome (PICO) questions relevant for adult patients with sepsis. For each question, a literature search was performed to obtain the best available evidence and assessed using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) system. The quality of evidence for clinically relevant outcomes was graded from high to very low. In structured consensus meetings, the committee formulated recommendations as strong or weak. When evidence could not be obtained, recommendations were provided based on expert opinion and experience (good practice statements).
    Results: Fifty-five recommendations on the antibacterial therapy of sepsis were generated. Recommendations on empiric antibacterial therapy choices were differentiated for sepsis according to the source of infection, the potential causative pathogen and its resistance pattern. One important revision was the distinction between low, increased and high risk of infection with Enterobacterales resistant to third generation cephalosporins (3GRC-E) to guide the choice of empirical therapy. Other new topics included empirical antibacterial therapy in patients with a reported penicillin allergy and the role of pharmacokinetics and pharmacodynamics to guide dosing in sepsis. We also established recommendations on timing and duration of antibacterial treatment.
    Conclusions: Our multidisciplinary committee formulated evidence-based recommendations for the empiric antibacterial therapy of adults with sepsis in The Netherlands.
    MeSH term(s) Adult ; Anti-Bacterial Agents/therapeutic use ; Humans ; Netherlands ; Policy ; Sepsis/drug therapy
    Chemical Substances Anti-Bacterial Agents
    Language English
    Publishing date 2022-08-11
    Publishing country England
    Document type Journal Article
    ZDB-ID 2041550-3
    ISSN 1471-2334 ; 1471-2334
    ISSN (online) 1471-2334
    ISSN 1471-2334
    DOI 10.1186/s12879-022-07653-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Low frequency of community-acquired bacterial co-infection in patients hospitalized for COVID-19 based on clinical, radiological and microbiological criteria: a retrospective cohort study.

    Coenen, Sophie / de la Court, Jara R / Buis, David T P / Meijboom, Lilian J / Schade, Rogier P / Visser, Caroline E / van Hest, Reinier / Kuijvenhoven, Marianne / Prins, Jan M / Nijman, Suzan F M / Sieswerda, Elske / Sigaloff, Kim C E

    Antimicrobial resistance and infection control

    2021  Volume 10, Issue 1, Page(s) 155

    Abstract: Background: We defined the frequency of respiratory community-acquired bacterial co-infection in patients with COVID-19, i.e. patients with a positive SARS-CoV-2 PCR or a COVID-19 Reporting and Data System (CO-RADS) score ≥ 4, based on a complete ... ...

    Abstract Background: We defined the frequency of respiratory community-acquired bacterial co-infection in patients with COVID-19, i.e. patients with a positive SARS-CoV-2 PCR or a COVID-19 Reporting and Data System (CO-RADS) score ≥ 4, based on a complete clinical assessment, including prior antibiotic use, clinical characteristics, inflammatory markers, chest computed tomography (CT) results and microbiological test results.
    Methods: Our retrospective study was conducted within a cohort of prospectively included patients admitted for COVID-19 in our tertiary medical centres between 1-3-2020 and 1-6-2020. A multidisciplinary study team developed a diagnostic protocol to retrospectively categorize patients as unlikely, possible or probable bacterial co-infection based on clinical, radiological and microbiological parameters in the first 72 h of admission. Within the three categories, we summarized patient characteristics and antibiotic consumption.
    Results: Among 281 included COVID-19 patients, bacterial co-infection was classified as unlikely in 233 patients (82.9%), possible in 35 patients (12.4%) and probable in 3 patients (1.1%). Ten patients (3.6%) could not be classified due to inconclusive data. Within 72 h of hospital admission, 81% of the total study population and 78% of patients classified as unlikely bacterial co-infection received antibiotics.
    Conclusions: COVID-19 patients are unlikely to have a respiratory community-acquired bacterial co-infection. This study underpins recommendations for restrictive use of antibacterial drugs in patients with COVID-19.
    MeSH term(s) Adult ; Anti-Bacterial Agents/therapeutic use ; Antimicrobial Stewardship ; Bacterial Infections/drug therapy ; Bacterial Infections/epidemiology ; Bacterial Infections/microbiology ; COVID-19/complications ; COVID-19/diagnosis ; Cohort Studies ; Coinfection/drug therapy ; Coinfection/epidemiology ; Community-Acquired Infections/epidemiology ; Community-Acquired Infections/microbiology ; Female ; Hospitalization/statistics & numerical data ; Humans ; Male ; Middle Aged ; Pneumonia/epidemiology ; Retrospective Studies ; SARS-CoV-2
    Chemical Substances Anti-Bacterial Agents
    Language English
    Publishing date 2021-10-30
    Publishing country England
    Document type Journal Article
    ZDB-ID 2666706-X
    ISSN 2047-2994 ; 2047-2994
    ISSN (online) 2047-2994
    ISSN 2047-2994
    DOI 10.1186/s13756-021-01024-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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