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  • Title: [Fibrinolytic treatment in acute myocardial infarction: analysis of delay].
    Author: Iglesias ML, Pedro-Botet J, Hernández E, Solsona JF, Molina L, Alvarez A, Auguet T.
    Journal: Med Clin (Barc); 1996 Mar 02; 106(8):281-4. PubMed ID: 8667684.
    Abstract:
    BACKGROUND: The delay time from the onset of symptoms to the initiation of intravenous fibrinolytic treatment in patients with acute myocardial infarction (AMI) is herein described. METHODS: A study was carried out of the consecutive AMI diagnosed in the Medical Area of the Emergency Department of the Hospital del Mar in Barcelona, Spain, with a 24-hour follow up from 15 May 1993 to 14 January, 1994. All the patients under the age of 80 years with transmural AMI of any localization and evolution of under 6 hours were considered to receive fibrinolytic treatment. The following delay times were analyzed: total delay time, extrahospitalary delay time and intrahospitalary delay time, which included assistance delay time, delay in fibrinolytic treatment indication and delay time in performance of the same. RESULTS: During the study period 18,316 patients were attended in the Emergency Medical Area, of which 80 corresponded to AMI. Fibrinolytic treatment was initiated with intravenous streptokinase in 33 patients (41.3%). The total delay time was 287.2 +/- 202.6 (mean +/- SD) minutes; the extrahospitalary and intrahospitalary delays were 159.8 +/- 151.7 and 126.8 +/- 161.7 minutes, respectively. The delay time for assistance was 8.5 +/- 12.7 minutes, the delay time in treatment indication was 78.8 +/- 101.8 minutes and in performance it was 39.5 +/- 52.6 minutes. This latter time was analyzed on the basis of the administration site, with statistically significant differences (p < 0.005) if the fibrinolytic treatment was performed in the Emergency Medical Area (12.5 +/- 0.7 minutes), in the observation room (41.4 +/- 50.7 minutes) or in the Intensive Care Unit (61.4 +/- 75.8 minutes). CONCLUSIONS: Most of the intrahospitalary delay in the administration of fibrinolytic treatment is due to decision delay in regards to carrying out this therapy.
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