Cees van Nieuwkoop

Associate professor

Leiden University Medical Center

Netherlands

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Dr. Cees van Nieuwkoop is an Associate Professor at Leiden University Medical Center in the Netherlands. His research primarily focuses on urinary tract infections, emergency department care, and the impact of COVID-19 on mortality rates. Recent publications include studies on diagnostic biomarkers, patient perspectives on home monitoring, and de-implementation strategies for overtreatment in acute care settings.

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Collaborators (14)

Swee Hoe Ong

Wellcome Sanger Institute

UNITED KINGDOM

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Roger D Kouyos

University Hospital of Zurich

SWITZERLAND

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Lele Zhao

University of Oxford

UNITED KINGDOM

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Erik Wilms

Head of Laboratory

NETHERLANDS

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Sarah Dubbs

Associate Professor

University of Maryland School of Medicine

UNITED STATES

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Michael Pulia

Associate Professor

University of Wisconsin-Madison

UNITED STATES

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Christa M. Cobbaert

Leiden University Medical Center

NETHERLANDS

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Merel M C Lambregts

Leiden University Medical Center

NETHERLANDS

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Rolf Groenwold

Professor of Clinical Epidemiology

Leiden University Medical Center

NETHERLANDS

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Tanya Golubchik

Senior Lecturer

AUSTRALIA

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Luca Ferretti

University of Oxford

UNITED KINGDOM

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Matti Ristola

University of Helsinki

FINLAND

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Martijn Sijbom

Leiden University Medical Center

NETHERLANDS

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Caroline Schneeberger van der Linden

Netherlands institute for health services research

NETHERLANDS

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Cees van Nieuwkoop

Research Interests

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Articles (27)

Excess mortality during the first 2 years of the COVID-19 pandemic (2020-2021) in the Netherlands: Overall and across demographic subgroups

Validation of urinary biomarkers for accurate diagnosis of urinary tract infections in older adults across primary care, hospitals and long-term care facilities in the Netherlands and UK (UTI-GOLD): a multicentre observational study protocol

Oral versus intravenous antibiotic treatment of moderate-to-severe community-acquired pneumonia: a propensity score matched study.

A reference standard for urinary tract infection research: a multidisciplinary Delphi consensus study.

Virological failure after switch to long-acting cabotegravir and rilpivirine injectable therapy: an in-depth analysis.

External validation of EuroSCORE I and II in patients with infective endocarditis: results from a nationwide prospective registry

Procalcitonin for safe reduction of unnecessary blood cultures in the emergency department: Development and validation of a prediction model.

An emergency department transitional care team prevents unnecessary hospitalization of older adults: a mixed methods study.

Patients' Perspectives and Feasibility of Home Monitoring in Acute Care: The AcuteCare@Home Flash Mob Study.

De-implementation strategy to reduce overtreatment of asymptomatic bacteriuria in the emergency department: a stepped-wedge cluster randomised trial.

Current pyuria cut-offs promote inappropriate UTI diagnosis in older women

Definitions of Urinary Tract Infection in Current Research: A Systematic Review

Rapid Response to Remdesivir in Hospitalised COVID-19 Patients: A Propensity Score Weighted Multicentre Cohort Study.

Drug–drug interaction: decreased posaconazole trough concentrations during concomitant flucloxacillin treatment

Diagnostic accuracy of urine biomarkers for urinary tract infection in older women: a case-control study.

Evaluation of an integrated care pathway for out-of-hospital treatment of older adults with an acute moderate-to-severe lower respiratory tract infection or pneumonia: protocol of a mixed methods study.

Outcomes of community-acquired pneumonia using the Pneumonia Severity Indexversusthe CURB-65 in routine practice of emergency departments

A highly virulent variant of HIV-1 circulating in the Netherlands

Fosfomycin Vs Ciprofloxacin as Oral Step-Down Treatment for Escherichia coli Febrile Urinary Tract Infections in Women: A Randomized, Placebo-Controlled, Double-Blind, Multicenter Trial.

Analysis of Variation Between Diagnosis at Admission vs Discharge and Clinical Outcomes Among Adults With Possible Bacteremia.

Increased risk of central line-associated bloodstream infection in COVID-19 patients associated with dexamethasone but not with interleukin antagonists.

Is shorter always better? The pros and cons of treating Gram-negative bloodstream infections with 7 days of antibiotics.

Population Pharmacokinetics of Remdesivir and GS-441524 in Hospitalized COVID-19 Patients.

High Renin Concentrations in Severe COVID-19 Are Indicative for a Hypo-Renin-Angiotensin-System State.

Bacillus Calmette-Guérin vaccine to reduce healthcare worker absenteeism in COVID-19 pandemic, a randomized controlled trial.

A low aldosterone/renin ratio and high soluble ACE2 associate with COVID-19 severity.

Hypokalaemia in patients treated with intravenous flucloxacillin: Incidence and risk factors.

Collaborators (14)

Swee Hoe Ong

Roger D Kouyos

Lele Zhao

Erik Wilms

Sarah Dubbs

Michael Pulia

Christa M. Cobbaert

Merel M C Lambregts

Rolf Groenwold

Tanya Golubchik

Luca Ferretti

Matti Ristola

Martijn Sijbom

Caroline Schneeberger van der Linden

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