Publications by authors named "John Valik"

Claim this Profile
T
The effect of remdesivir and nirmatrelvir/ritonavir on mortality in patients hospitalized with COVID-19 during the Omicron era: an emulated target trial.
John Karlsson Valik, Pontus Hedberg, Piotr Nowak, Ola Blennow, Robert Dyrdak

Clin Microbiol Infect· January 2026

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
G
Genomic virulence markers are associated with severe outcomes in patients with Pseudomonas aeruginosa bloodstream infection.
John Karlsson Valik, Christian G Giske, Badrul Hasan, Mónica Gozalo-Margüello, Luis Martínez-Martínez

Commun Med (Lond)· December 2024

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
R
Reducing Diagnostic Bias Through Multiplex Polymerase Chain Reaction (PCR) Testing for SARS-CoV-2, Influenza A/B, and Respiratory Syncytial Virus.
Pontus Hedberg, John Karlsson Valik, Lina Abdel Halim, Tobias Alfvén, Pontus Naucler

Clin Infect Dis· July 2024

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
O
Outcomes of Pediatric SARS-CoV-2 Omicron Infection vs Influenza and Respiratory Syncytial Virus Infections.
Pontus Hedberg, Lina Abdel-Halim, John Karlsson Valik, Tobias Alfvén, Pontus Nauclér

JAMA Pediatr· February 2024

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
I
Immortal Time Bias Possibly Affecting Fludrocortisone-Hydrocortisone Findings.
John Karlsson Valik, Anders Ternhag, Pontus Nauclér

JAMA Intern Med· October 2023

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
O
Outcomes of octogenarians and nonagenarians with Pseudomonas aeruginosa bacteremia: a multicenter retrospective study.
Alaa Atamna, Ili Margalit, Gida Ayada, Tanya Babich, Pontus Naucler, John Karlsson Valik

Infection· August 2023

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
P
Predicting sepsis onset using a machine learned causal probabilistic network algorithm based on electronic health records data.
John Karlsson Valik, Logan Ward, Hideyuki Tanushi, Anders F Johansson, Anna Färnert

Sci Rep· July 2023

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
Association Between Time to Appropriate Antimicrobial Treatment and 30-day Mortality in Patients With Bloodstream Infections: A Retrospective Cohort Study.
Jasper Van Heuverswyn, John Karlsson Valik, Suzanne Desirée van der Werff, Pontus Hedberg, Christian Giske

Clin Infect Dis· February 2023

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
D
Duration of Treatment for Pseudomonas aeruginosa Bacteremia: a Retrospective Study.
Tanya Babich, Pontus Naucler, John Karlsson Valik, Christian G Giske, Natividad Benito

Infect Dis Ther· August 2022

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
I
Impact of the COVID-19 pandemic on the incidence and mortality of hospital-onset bloodstream infection: a cohort study.
John Karlsson Valik, Pontus Hedberg, Fredrik Holmberg, Suzanne Desirée van der Werff, Pontus Nauclér

BMJ Qual Saf· May 2022

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
P
Peripheral Oxygen Saturation Facilitates Assessment of Respiratory Dysfunction in the Sequential Organ Failure Assessment Score With Implications for the Sepsis-3 Criteria.
John Karlsson Valik, Lisa Mellhammar, Jonas Sundén-Cullberg, Logan Ward, Christian Unge

Crit Care Med· March 2022

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Combination versus monotherapy as definitive treatment for Pseudomonas aeruginosa bacteraemia: a multicentre retrospective observational cohort study.
Tanya Babich, Pontus Naucler, John Karlsson Valik, Christian G Giske, Natividad Benito

J Antimicrob Chemother· July 2021

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
I
Information technology aspects of large-scale implementation of automated surveillance of healthcare-associated infections.
Michael Behnke, John Karlsson Valik, Sophie Gubbels, Daniel Teixeira, Brian Kristensen

Clin Microbiol Infect· July 2021

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
P
PRAISE: providing a roadmap for automated infection surveillance in Europe.
Maaike S M van Mourik, Stephanie M van Rooden, Mohamed Abbas, Olov Aspevall, Pascal Astagneau, John Karlsson Valik

Clin Microbiol Infect· July 2021

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
V
Validation of automated sepsis surveillance based on the Sepsis-3 clinical criteria against physician record review in a general hospital population: observational study using electronic health records data.
John Karlsson Valik, Logan Ward, Hideyuki Tanushi, Kajsa Müllersdorf, Anders Ternhag

BMJ Qual Saf· September 2020

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Ceftazidime, Carbapenems, or Piperacillin-tazobactam as Single Definitive Therapy for Pseudomonas aeruginosa Bloodstream Infection: A Multisite Retrospective Study.
Tanya Babich, Pontus Naucler, John Karlsson Valik, Christian G Giske, Natividad Benito

Clin Infect Dis· May 2020

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
R
Risk factors for mortality among patients with Pseudomonas aeruginosa bacteraemia: a retrospective multicentre study.
Tanya Babich, Pontus Naucler, John Karlsson Valik, Christian G Giske, Natividad Benito

Int J Antimicrob Agents· February 2020

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
P
Prediction of bloodstream infection caused by extended-spectrum β-lactamase-producing Enterobacterales in patients with suspected community-onset sepsis.
Inga Fröding, John Karlsson Valik, Ludvig Bolinder, Pontus Nauclér, Christian G Giske

Int J Antimicrob Agents· June 2019

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Early depletion of contact system in patients with sepsis: a prospective matched control observational study.
Ingrid Berkestedt, Pia Andersson, Heiko Herwald, John Karlsson Valik, Ola Sörensen

APMIS· December 2018

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
D
Developing a decision support system for patients with severe infection conditions in pre-hospital care.
Niclas Johansson, Carl Spindler, John Valik, Veronica Vicente

Int J Infect Dis· July 2018

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis