Prognosis of Intracerebral Hemorrhage Related to Antithrombotic Use
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Background and Purpose: To date, large studies comparing mortality and functional outcome of intracerebral hemorrhage (ICH) during oral anticoagulant (OAC), antiplatelet, and nonantithrombotic use are few and show discrepant results. Methods: We used data on 13 291 patients with ICH registered in Riksstroke between 2012 and 2016 to compare 90-day mortality and functional outcome following OAC-related ICH (n=2300), antiplatelet-related ICH (n=3637), and nonantithrombotic ICH (n=7354). Univariable and multivariable Cox regression analyses, with adjustment for relevant confounders, were used to compare 90-day mortality. Early (≤24 hours and 1–7 days) and late (8–90 days) mortality was also studied in subgroup analyses. Univariable and multivariable 90-day functional outcome, based on self-reported modified Rankin Scale, was determined using logistic regression. Results: Patients with antithrombotic treatment were more often prestroke dependent, older, and had a larger comorbidity burden compared with patients without antithrombotic treatment. At 90 days, antiplatelet and OAC were associated with an increased death rate in multivariable analysis (antiplatelet ICH: hazard ratio, 1.23 [95% CI, 1.14–1.33]; OAC ICH: hazard ratio, 1.40 [95% CI, 1.26–1.57]) compared with nonantithrombotic ICH (reference). OAC ICH and antiplatelet ICH were associated with higher risk of early mortality (≤24 hours: OAC ICH: hazard ratio, 1.93 [95% CI, 1.57–2.38]; antiplatelet ICH: hazard ratio, 1.32 [95% CI, 1.13–1.54]). In multivariable analysis, the odds ratios for the association of antiplatelet and OAC treatment on functional dependency (modified Rankin Scale score, 3–5) at 90 days were nonsignificant (antiplatelet: odds ratio, 1.07 [95% CI, 0.92–1.24]; OAC: odds ratio, 0.96 [95% CI, 0.76–1.22]). Conclusions: In this large observational study, we found that 90-day mortality outcome was worse not only in OAC ICH but also in antiplatelet ICH, compared with patients with nonantithrombotic ICH. Antiplatelet ICH is common and is a serious condition with poor clinical outcome. Further studies are, therefore, warranted in determining the appropriate clinical management of these patients.Keywords:
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Intracerebral hemorrhage (HIC) represents 10-30% of all stroke. Epidemiological studies have shown factors associated with its high mortality, but those which might lead to lower morbidity are little known.To find the factors which may influence the functional state of a series of patients with intracerebral hemorrhage.We made a prospective study of 203 patients with intracerebral hemorrhage. We recorded vascular risk factors, arterial blood pressure, laboratory and neuroimaging parameters obtained on admission. The functional condition when discharged from hospital was evaluated on the Rankin Scale, in three categories: independent (Rankin 0-1), partially dependent (Rankin 2-3) and totally dependent patients (Rankin 4-5).There was a 23.2% death rate. Of the 156 patients who survived, at the time of hospital discharge 35.8% had a score of 0-1, 50.6% a score of 2-3 and 13.4% a score of 4-5 on the Rankin Scale. Age (p < 0.005), hyperglycaemia (p < 0.05) and size of hemorrhage (p < 0.05) were associated with increased morbidity.The functional condition on hospital discharge was better in younger patients with lower levels of glycemia on admission and smaller hematomas on CT.
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Background: Intracerebral hemorrhage is the pathological accumulation of blood within the brain. It is a type of stroke more likely to be lethal or to severely disable the patient and results from a wide variety of causes. On the other hand antithrombotic therapy is used for the prevention or/and the therapy of thromboembolic episodes. Antithrombotic drugs are very effective in reducing risk or mortality rate after a thromboembolic event, yet they are associated with significant hemorrhages. Keywords: Intracerebral hemorrhage, ICH, antiplatelets, antithrombotic agents, anticoagulation, thromboembolism.
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Intracerebral hemorrhage is a devastating disorder with no current treatment. Whether perihematomal edema is an independent predictor of neurologic outcome is controversial. We sought to determine whether perihematomal edema expansion rate predicts outcome after intracerebral hemorrhage.Retrospective cohort study.Tertiary medical center.One hundred thirty-nine consecutive supratentorial spontaneous intracerebral hemorrhage patients 18 years or older admitted between 2000 and 2013.None.Intracerebral hemorrhage, intraventricular hemorrhage, and perihematomal edema volumes were measured from CT scans obtained at presentation, 24-hours, and 72-hours postintracerebral hemorrhage. Perihematomal edema expansion rate was the difference between initial and follow-up perihematomal edema volumes divided by the time interval. Logistic regression was performed to evaluate the relationship between 1) perihematomal edema expansion rate at 24 hours and 90-day mortality and 2) perihematomal edema expansion rate at 24 hours and 90-day modified Rankin Scale score. Perihematomal edema expansion rate between admission and 24-hours postintracerebral hemorrhage was a significant predictor of 90-day mortality (odds ratio, 2.97; 95% CI, 1.48-5.99; p = 0.002). This association persisted after adjusting for all components of the intracerebral hemorrhage score (odds ratio, 2.21; 95% CI, 1.05-4.64; p = 0.04). Similarly, higher 24-hour perihematomal edema expansion rate was associated with poorer modified Rankin Scale score in an ordinal shift analysis (odds ratio, 2.40; 95% CI, 1.37-4.21; p = 0.002). The association persisted after adjustment for all intracerebral hemorrhage score components (odds ratio, 2.07; 95% CI, 1.12-3.83; p = 0.02).Faster perihematomal edema expansion rate 24-hours postintracerebral hemorrhage is associated with worse outcome. Perihematomal edema may represent an attractive translational target for secondary injury after intracerebral hemorrhage.
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Background Hospital-based studies have reported variable associations between outcome after spontaneous intracerebral hemorrhage and peri-hematomal edema volume. Aims In a community-based study, we aimed to investigate the existence, strength, direction, and independence of associations between intracerebral hemorrhage and peri-hematomal edema volumes on diagnostic brain CT and one-year functional outcome and long-term survival. Methods We identified all adults, resident in Lothian, diagnosed with first-ever, symptomatic spontaneous intracerebral hemorrhage between June 2010 and May 2013 in a community-based, prospective inception cohort study. We defined regions of interest manually and used a semi-automated approach to measure intracerebral hemorrhage volume, peri-hematomal edema volume, and the sum of these measurements (total lesion volume) on first diagnostic brain CT performed at ≤3 days after symptom onset. The primary outcome was death or dependence (scores 3–6 on the modified Rankin Scale) at one-year after intracerebral hemorrhage. Results Two hundred ninety-two (85%) of 342 patients (median age 77.5 y, IQR 68–83, 186 (54%) female, median time from onset to CT 6.5 h (IQR 2.9–21.7)) were dead or dependent one year after intracerebral hemorrhage. Peri-hematomal edema and intracerebral hemorrhage volumes were colinear ( R 2 = 0.77). In models using both intracerebral hemorrhage and peri-hematomal edema, 10 mL increments in intracerebral hemorrhage (adjusted odds ratio (aOR) 1.72 (95% CI 1.08–2.87); p = 0.029) but not peri-hematomal edema volume (aOR 0.92 (0.63–1.45); p = 0.69) were independently associated with one-year death or dependence. 10 mL increments in total lesion volume were independently associated with one-year death or dependence (aOR 1.24 (1.11–1.42); p = 0.0004). Conclusion Total volume of intracerebral hemorrhage and peri-hematomal edema, and intracerebral hemorrhage volume alone on diagnostic brain CT, undertaken at three days or sooner, are independently associated with death or dependence one-year after intracerebral hemorrhage, but peri-hematomal edema volume is not. Data access statement Anonymized summary data may be requested from the corresponding author.
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Background: Oxidative stress plays an important role in secondary brain injury after a stroke of intracerebral hemorrhage. This study aimed to determine the association between malondialdehyde (MDA) levels with clinical outcomes assessed using the modified Rankin Scale (mRS) in patients with acute intracerebral hemorrhagic stroke
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Intracerebral hemorrhage carries a high mortality and survivors are frequently left with significant disability. Immunological mechanisms may play an important role in hemorrhage-induced brain injury, however, research linking these mechanisms with clinical outcome remains limited. We aim to identify serum inflammatory mediators that are associated with outcome after intracerebral hemorrhage in order to translate data from experimental models to a patient cohort and identify potential targets worthy of reverse translation.
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