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The aim of this article was to study mortality following a first-ever cerebral infarct, accounting for ischemic stroke subtypes (lacunar, cardioembolic, atherothrombotic) and relevant prognostic variables. This study was done from s a hospital-based prospective registry of all patients with a first cerebral infarct, with a high case ascertainment of first and recurrent stroke by CT. We used a cross-sectional follow-up, using standardized methods. Analyses were performed using crude comparison of mortality data and death causes between stroke subtypes. We analyzed 30-day case fatality and 1-year mortality in 30-day survivors by means of logistic regression analysis, and mortality in 1-year survivors by means of Cox proportional hazard modeling. We also constructed Kaplan-Meier survival curves, and used log-rank testing for differences between stroke subtypes. Thirty-day case fatality was 10%, 1-year mortality 15%, and after 1-year mortality 16%. Mean follow-up was 691, SD 521 days. At the end of follow-up 36% of all patients had died. Mortality was at all three time points lowest in lacunar stroke (2, 12, and 14%, respectively), intermediate in atherothrombotic stroke (10, 16, and 15%, respectively), and highest in cardioembolic stroke (23, 22, and 21%, respectively). Death related to recurrent stroke was similar in all three stroke subtypes (13-16%). Although 30-day case fatality rate was low in lacunar stroke, a quarter of lacunar stroke patients had died at the end of follow-up. Diabetes mellitus, age, stroke subtype, and initial stroke severity were independent predictors of 30-day case fatality, but only diabetes and age were consistent independent predictors for later mortality. Recurrent stroke and heart failure were important death causes. Prognosis for (future) death following a first cerebral infarct differs between stroke subtypes; lacunar stroke patients have the lowest mortality. However, lacunar stroke cannot be regarded as a mild stroke type, as after 2 years more than a quarter of such stroke patients had died. Cardioembolic stroke patients have the grimmest prognosis: more than half of them had died within 1.5 years. Better prognosis for long-term survival following stroke may be achieved by therapies which lower the risk of stroke recurrence, provide better treatment of heart failure, or both.
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PMID:Stroke subtype and mortality. a follow-up study in 998 patients with a first cerebral infarct. 1272 81

Cardioembolic stroke is a critical health condition that requires immediate intervention. Cardiac emboli are the most common type of embolism and account for 14% to 30% of all ischemic strokes. Atrial fibrillation is the most common cause of cardioembolic strokes, and its prevalence increases substantially with age. Other factors that increase the risk for cardioembolic stroke include hypertension, diabetes mellitus, hyperlipidemia, cardiac disease, and lifestyle choices. General supportive care and treatment of the acute phase and subsequent complications should be started immediately. Nurses must play an active role in screening patients for stroke subtypes, using appropriate diagnostic tools, and providing medical and nursing interventions. Nurses also play a crucial role in prevention by providing education to patients and patients' families on how to recognize stroke signs and symptoms. This case study discusses the course of illness, treatment, and prevention strategies for patients who have suffered cardioembolic stroke due to atrial fibrillation.
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PMID:Cardioembolic Stroke: A Case Study. 2814 12