OBJECTIVE: Fever is a frequent cause of admission to the Emergency Department (ED) worldwide. Although it can be caused by a wide range of conditions, the most effective treatment based on its etiology is still undetermined. PATIENTS AND METHODS: This prospective, single-center, observational study enrolled adult patients who accessed the ED for fever. Physicians were free to administer paracetamol 1,000 mg (P), the combination paracetamol 500 mg/ibuprofen 150 mg (PI) or Ibuprofen 600 mg (I). The primary endpoint was both 1-degree and 1-point reduction in body temperature for all associated symptoms on the Numerical Rating Scale (NRS) after 1 hour (T1). The secondary endpoint was the reduction of at least 2 points on the NRS after two hours (T2). Adverse events, the need for rescue therapy, and the response based on the underlying etiology (bacterial, viral, or immune/neoplastic) were also evaluated. RESULTS: 324 patients (170 males, mean age 71±6 years) were enrolled: 187 had bacterial, 80 viral, and 57 neoplastic/inflammatory fever. Fever was treated with Paracetamol 1,000 mg (P) in 189 patients and with Paracetamol/Ibuprofen 500/150 mg (PI) in 135 subjects, while none of the patients were primarily treated with I. Based on the fever etiology P was administered to 113 patients with bacterial fever (59.8%), 48 patients with viral fever (25.4%), and 28 subjects with neoplastic/inflammatory fever (14.8%). PI was administered to 74 patients with bacterial fever (54.8%), 32 patients with viral fever (23.7%), and 29 subjects with neoplastic/inflammatory fever (21.5%). The primary endpoint was achieved by 126 patients, 70 of them (37.0%) were treated with P and 56 (41.5%) with PI (p=0.418). The secondary endpoint was achieved by 295 patients, 171 (90.5%) of them treated with P and 124 (91.9%) treated with PI (p=0.669). No significant differences were found between groups treated with P and PI concerning rescue therapy (15 vs. 6 patients; p=0.893). Interestingly, PI was more effective than P in patients with bacterial fever at T1 (P 33.6% vs. PI 48.6%; p=0.040), while efficacy of P and PI was similar at T2 for all kind of fever. CONCLUSIONS: Paracetamol 1,000 mg represents the first choice for the treatment of fever in the ED, followed by Paracetamol/Ibuprofen 500/150 mg. Interestingly, Paracetamol/Ibuprofen combination resulted in being more effective in patients with bacterial fever one hour after its administration.

Franceschi, F., Saviano, A., Carnicelli, A., Lorusso, C., Novelli, A., Candelli, M., Ojetti, V., Covino, M., Treatment of fever and associated symptoms in the emergency department: which drug to choose?, <<EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES>>, 2023; 27 (15): 7362-7369. [doi:10.26355/eurrev_202308_33308] [https://hdl.handle.net/10807/263115]

Treatment of fever and associated symptoms in the emergency department: which drug to choose?

Franceschi, Francesco;Saviano, Angela
Writing – Original Draft Preparation
;
Candelli, Marcello;Ojetti, Veronica;Covino, Marcello
2023

Abstract

OBJECTIVE: Fever is a frequent cause of admission to the Emergency Department (ED) worldwide. Although it can be caused by a wide range of conditions, the most effective treatment based on its etiology is still undetermined. PATIENTS AND METHODS: This prospective, single-center, observational study enrolled adult patients who accessed the ED for fever. Physicians were free to administer paracetamol 1,000 mg (P), the combination paracetamol 500 mg/ibuprofen 150 mg (PI) or Ibuprofen 600 mg (I). The primary endpoint was both 1-degree and 1-point reduction in body temperature for all associated symptoms on the Numerical Rating Scale (NRS) after 1 hour (T1). The secondary endpoint was the reduction of at least 2 points on the NRS after two hours (T2). Adverse events, the need for rescue therapy, and the response based on the underlying etiology (bacterial, viral, or immune/neoplastic) were also evaluated. RESULTS: 324 patients (170 males, mean age 71±6 years) were enrolled: 187 had bacterial, 80 viral, and 57 neoplastic/inflammatory fever. Fever was treated with Paracetamol 1,000 mg (P) in 189 patients and with Paracetamol/Ibuprofen 500/150 mg (PI) in 135 subjects, while none of the patients were primarily treated with I. Based on the fever etiology P was administered to 113 patients with bacterial fever (59.8%), 48 patients with viral fever (25.4%), and 28 subjects with neoplastic/inflammatory fever (14.8%). PI was administered to 74 patients with bacterial fever (54.8%), 32 patients with viral fever (23.7%), and 29 subjects with neoplastic/inflammatory fever (21.5%). The primary endpoint was achieved by 126 patients, 70 of them (37.0%) were treated with P and 56 (41.5%) with PI (p=0.418). The secondary endpoint was achieved by 295 patients, 171 (90.5%) of them treated with P and 124 (91.9%) treated with PI (p=0.669). No significant differences were found between groups treated with P and PI concerning rescue therapy (15 vs. 6 patients; p=0.893). Interestingly, PI was more effective than P in patients with bacterial fever at T1 (P 33.6% vs. PI 48.6%; p=0.040), while efficacy of P and PI was similar at T2 for all kind of fever. CONCLUSIONS: Paracetamol 1,000 mg represents the first choice for the treatment of fever in the ED, followed by Paracetamol/Ibuprofen 500/150 mg. Interestingly, Paracetamol/Ibuprofen combination resulted in being more effective in patients with bacterial fever one hour after its administration.
2023
Inglese
Franceschi, F., Saviano, A., Carnicelli, A., Lorusso, C., Novelli, A., Candelli, M., Ojetti, V., Covino, M., Treatment of fever and associated symptoms in the emergency department: which drug to choose?, <<EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES>>, 2023; 27 (15): 7362-7369. [doi:10.26355/eurrev_202308_33308] [https://hdl.handle.net/10807/263115]
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