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Revista del Cuerpo Médico Hospital Nacional Almanzor Aguinaga Asenjo

Print version ISSN 2225-5109On-line version ISSN 2227-4731


TAYPE HUAMANI, Waldo Augusto; DE-LA-CRUZ ROJAS, Lucila Amelia  and  AMADO TINEO, José Percy. Impact of structured triage on the overcrowding of the emergency department of a tertiary hospital. Rev. Cuerpo Med. HNAAA [online]. 2021, vol.14, n.4, pp.491-495.  Epub Dec 29, 2021. ISSN 2225-5109.


To assess the impact of structured triage on overcrowding indicators in the emergency department (ED) of a tertiary hospital.

Material and Methods:

Retrospective observational study of pre and post design. Carried out in a social security hospital, comparing care during two quarters. The implementation of structured triage of five Manchester-type priorities was evaluated, comparing the number of visits, patients attended, priority of care, admission topic, patients not attended, patients who died in the first 6 hours and time to first attention. Statistical analysis (95% confidence interval) was performed with data from the institutional system using SPSS 24.0, with institutional approval.


42000 attendances per quarter, 12% were admitted to observation wards. Median age 57 years (range 14 - 103), female 57%. Average daily number of patients admitted to the ED was 240 vs 230 (p<0.01). Priority on admission: I 3%, II 44%, III 37%, IV 16% and V 0%. In the second trimester, priority I care decreased and priority II and III increased. The daily average of patients not evaluated was 20.5 and 13.7 in each quarter. Deaths in the first 6 hours were 0.13 and 0.15% of total admissions, according to the study period. The average time in the ED after first care was 5.2 hours, decreasing in the second quarter in all areas.


The Manchester structured triage system reduces the proportion of patients not attended, the number of patients attended with priority I and the time in the ED after first care.

Keywords : Triage; crowding; emergency medical services.

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