Scripties UMCG - Rijksuniversiteit Groningen
 
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Overschrijden van de 15 minuten norm wordt niet geassocieerd met een toename in de verstoring van de vitale functies van de patiënt

(2018) Arling, J.H.

Introduction: The Dutch emergency medical service (EMS) have to stick to a response time target of 15 minutes for at least 95% of all calls with the highest priority. However there is no medical evidence that supports this target so far. The objective of this study is to evaluate the effect of exceeding the 15 minutes responstime target on vital stability and to evaluate the association between (response)time and vital stability in various health problems.
Methods: EMS calls in Drenthe from April 1, 2011 to February 4, 2018 and in Friesland from January 1, 2013 to February 4, 2018, have been analyzed. The Spearman’s rho test is used to analyze the correlation between (response)time and the continuous Visensia Safety Index (cVSI) for multiple problems. The Wilcoxon signed rank test is used to evaluate the difference between the first and second pVSI.
Results: The 80.223 patients had a median age of 68 (51-80), 51% was male. The median cVSI of patients reached within 15 minutes was 1,5 (0,7-2,7), compared to 1,4 (0,7-2,7) if the patient was seen after 15 minutes (p=0,222). Victims that were helped within 15 minutes were in 24,2% of the cases transported to the hospital by priority 1, compared to 26,2% of the patients who were reached after 15 minutes (p<0,001).
Conclusion: An EMS response time of >15 minutes was not associated with a more unstable patient. Patients with abnormal breathing or sudden loss of balance or coordination and victims after a collision between a vehicle and a pedestrian seemed to become more unstable in time.






 
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