Abstract
Objective: Characterize patients with hypertensive crisis and evaluate occurrences 30 days after the hypertensive event. Design and method: Cohort study was performed with 583 patients treated between August 2020 and July 2021, from an Emergency Unit in a Hospital specializes in cardiology in São Paulo, Brazil. Inclusion criteria: 18 years old, systolic pressure > 180 mmHg and/or diastolic pressure > 120 mmHg, have telephone contact. A consulting on the electronic medical record was made to identify the elegible patients, whom after were included on the REDCap platform, and 30 days of the hypertensive event, an interview by telephone was made to investigate cardiovascular events. Results: The sample characteristics were: women (53%), 66.24(13.89) years, white ethnicity (78.7%), married (50.5%), high school (27.9%), retired people (77.5%), average [(mean(SD)] monthly income R$2384.6 (R$3438). The mean(SD) systolic/diastolic blood pressure, respectively, in emergency department was 189.74(17.46)/99.28(19.89) mmHg. Hypertensive emergencies were 63.8%, urgencies 27.4% and 8.7% were not possible to classify. The prevalent symptoms in the emergency department were: chest pain (41.2%), dyspnea (34.3%), nausea (11.7%), dizziness (10,4%), radiating pain (10.1%). The most used treatments were: anticoagulant (35.1%), diuretic (28.1%), analgesic (25.3%), ACE inhibitor (23.8.7%). Regarding the performance of tests: 85.6% underwent laboratory tests, 71% electrocardiogram, 36.3% echocardiogram and 30.5% computed tomography. After being treated at the emergency department, 60.1% of patients were discharged, 35.8% hospitalized, 3.8% transferred to other hospitals and 0,3% died. Regarding comorbidities, 97.7% had hypertension, 68.7% high cholesterol, 48.4% diabetes, 34.1% acute myocardial infarction, 25.1% heart failure, 19.6% kidney disease and 12% stroke. Regarding outcomes 30 days after the hypertensive event, 1.4% had some type of stroke, being 85.7% ischemic and 14.3% hemorrhagic, 2.3% had acute infarction of the myocardium, and 2% cardiorespiratory arrest. Also, 14.5% returned to a health service for high blood pressure, and 23.1% for others reasons like angina, bradycardia, aortic aneurysm, covid-19, acute pulmonary edema, epigastric pain, dyspnea. Besides we identify that 4.7% died within 30 days. Conclusions: The findings indicate the need for tertiary systematization, through outpatient follow-up programs for people with hypertensive crisis in emergencies units.
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