National Early Warning Score 2 Lactate (NEWS2-L) in Predicting Early Clinical Deterioration in Patients with Dyspnoea in Prehospital Care

Authors

  • Raúl Villanueva Rábano University Clinical Hospital of Valladolid
  • Francisco Martín-Rodríguez University of Valladolid
  • Raúl López-Izquierdo Rio Hortega University Hospital of Valladolid

DOI:

https://doi.org/10.17533/udea.iee.v39n3e05

Keywords:

dypsnea, biomarkers, prehospital care, early warning score, hospital mortality, clinical decision-making

Abstract

Objective. To evaluate the ability of the NEWS2-L (National Early Warning Score 2 Lactate) scale to predict the risk of early clinical deterioration (mortality within 48 hours) in patients with dyspnoea treated by the Medical Emergency Services compared with NEWS2 and lactate in isolation.

Methods. Prospective, multi-centre study of a cohort of 638 patients with dyspnoea treated in the ambulance and priority-transferred to a hospital emergency service in the cities of Valladolid, Salamanca, Segovia or Burgos (Spain). We collected clinical, analytical and demographic data. The main outcome measure was all-cause mortality within 48 hours. The recommendations of the Royal College of Physicians were followed to calculate NEWS2. When NEWS2 and LA prehospital values were obtained, the two values were added together to obtain the NEWS2-L.

Results. Mortality within 48 hours was fifty-six patients (8.8%). The NEWS2-L scale obtained an area under the curve (AUC) of the receiver operating characteristics (ROC) for mortality within 48 hours of 0.854 (CI 95% 0.790–0.917), at seven days of 0.788 (CI 95% 0.729–0.848) and at 30 days of 0.744 (CI 95% 0.692–0.796); in all cases p<0.001, with a significant decrease between the value at 48 hours and at 30 days.

Conclusion. The NEWS2-L scale was found to be significantly superior to the NEWS2 scale and similar to lactate in predicting early clinical deterioration in patients with dyspnoea. This scale can help a nurse detect these patients early, as part of their regular practice, and thus guide therapeutic efforts.

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Author Biographies

Raúl Villanueva Rábano, University Clinical Hospital of Valladolid

Nurse, M.Sc. Intensive Care Medicine Department, University Clinical Hospital of Valladolid Email: raulderivia@gmail.com. Corresponding author.  Castilla y León Regional Health Management (SACYL), Spain.

Francisco Martín-Rodríguez, University of Valladolid

Nurse, Ph.D. Valladolid I Emergency Mobile Unit, Health Emergencies Management. Email: fmartin@saludcastillayleon.es. Castilla y León Regional Health Management (SACYL), Spain. Advanced Clinical Simulation Centre, Department of Medicine, Dermatology and Toxicology, University of Valladolid, Spain.

Raúl López-Izquierdo, Rio Hortega University Hospital of Valladolid

Physician, Ph.D. Emergency Department, Rio Hortega University Hospital of Valladolid. Email: rlopeziz@saludcastillayleon.es. Castilla y León Regional Health Management (SACYL), Spain.

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Published

2021-10-29

How to Cite

Villanueva Rábano, R., Martín-Rodríguez, F., & López-Izquierdo, R. (2021). National Early Warning Score 2 Lactate (NEWS2-L) in Predicting Early Clinical Deterioration in Patients with Dyspnoea in Prehospital Care. Investigación Y Educación En Enfermería, 39(3). https://doi.org/10.17533/udea.iee.v39n3e05

Issue

Section

ORIGINAL ARTICLES / ARTÍCULOS ORIGINALES / ARTIGOS ORIGINAIS