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NCT number NCT03247036
Study type Observational [Patient Registry]
Source Jordi Gol i Gurina Foundation
Contact
Status Completed
Phase N/A
Start date January 13, 2017
Completion date August 5, 2017

Clinical Trial Summary

A number of large trials have confirmed the benefits of thrombolysis in acute stroke, but there are gender differences. The authors sought to examine the relationship between sex and outcome after thrombolysis.

Previous reports [1-6] concerning sex-related differences in stroke management and outcome are inconsistent and sometimes difficult to interpret, and so the reasons for gender disparities in stroke outcome have remained unclear. Functional outcomes and quality of life after stroke are consistently poorer in women despite adjustment for baseline differences in age and prestroke function, and the fact that comorbidities and clinical outcomes were not different between women and men [3, 7] . Once the reasons for these differences are better understood, intervention might be possible to help provide the best care for all patients. This work is a continuation and extension of the Ebrictus Study [8-10] . Prior work has suggested sex-based differences in thrombolytic therapy in subjects with acute stroke [11] .The authors will explore whether sex might modify the effect of thrombolysis on survival and functional outcomes in patients with acute ischemic stroke [12] beyond the usually evaluated time period of 6 months after stroke and compared this with the group without thrombolytic treatment.


Clinical Trial Description

This is a reprospective, observational cohort study including incident strokes from January 1, 2011 to December 31, 2012 and followed up in December 31, 2016. Statistical approaches are used to analyze survival outcomes. It is a longitudinal study of a population-based cohort of all registered cases of a first episode of stroke that occurred in Catalonia (Spain). Demographic Patterns and Epidemic Characteristics. Life expectancy at birth is 81.34 years globally, 78.26 years for men and 84.74 years for women.

Case Definition The definition of stroke corresponds to that set by the World Health Organization.

Patients were included by using the automated operation of the database of patients with a diagnosis code of stroke (I60-I69).

The inclusion criteria were: age ≥ 15 up to ≤ 90; a diagnosis of stroke explicitly recorded in their medical record at any of the registration systems in the health centers; it should be a first stroke episode, and relevant episode information should be available in clinical records: (a) outpatient clinic, (b) hospital clinic, or (c) access to medical/sociosanitary reports.

The variables on which information was collected were grouped as follows: sociodemographic; clinics: type (ischemic or hemorrhagic stroke) and event date (day/month/year); NIHSS score on admission; whether or not there was thrombolytic therapy; duration of hospital stay; hospital discharge destination (home, higher-level acute hospital, long-term care hospital, death and date thereof); pre- and poststroke functional autonomy [the Barthel score was classified as follows: <20 (total dependence), 20-35 (severe dependence), 40-55 (moderate dependence), ≥ 60 (mild dependence), or 100 (independence) registered for preepisode and for discharge in the medical history of the patient, the hospital, or the primary care center]; functional status of the patient at discharge: death, home-autonomous, home address caregiver, referral to another acute hospital, or convalescent center (temporary or long-term stay), and vital status (alive/dead) of the patient, specifying the date (day/month/year) of death, if any.

Statistical Analysis Computerized statistical analysis was undertaken with the following: (1) descriptive basic statistics and standard deviation of key variables stratified by age and sex and (2) differences in functional outcome and its evolution before and after the episode determined the possible effects on mortality and different residual deficits categorized with the statistical Cox regression model. Mortality should be interpreted as overall mortality and cause-specific, no stroke. Patients who died during hospitalization or within the 1st month are considered 'immediate death'. During follow-up the deceased are described as 'subsequent mortality'.


Study Design


Related Conditions & MeSH terms


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