Journal of the neurological sciences · 2022
Risk factors for neurological complications in left-sided infective endocarditis.
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Das Alvin S, McKeown Morgan, Jordan Stephanie A, Li Karen, Regenhardt Robert W, Feske Steven K
Аннотация
BACKGROUND AND PURPOSE: Neurological complications following infective endocarditis (IE) directly contribute to long-term morbidity. We examined the risk factors for different neurological complications of left-sided IE.
METHODS: Using a database of consecutive adults admitted to a health system with left-sided IE from 2015 to 2019, the frequency of cerebral infarcts, intraparenchymal hemorrhage, cerebral microbleeds (CMB), mycotic aneurysm, and encephalopathy was determined. Variables with significant differences comparing each neurological complication (p < 0.1) were entered into regression models along with age to determine predictors.
RESULTS: 211 patients with mean age 54 (±18) years, and 69 (33%) females were included. Infarcts were found in 118 (56%) patients, intraparenchymal hemorrhage was found in 17 (8%) patients, CMB were found in 58 (27%) patients, mycotic aneurysms were found in 22 (10%) patients, and encephalopathy occurred in 16 (8%) patients. In multivariable models, vegetation size ≥15 mm was associated with a higher risk of infarcts (aOR 2.26, 95% CI (1.12-4.57)), and the presence of a mycotic aneurysm was a risk factor for intraparenchymal hemorrhage (aOR 18.79, 95% CI (3.97-88.97)). Prosthetic valves (aOR 2.89, 95% CI (1.11-7.54)) and Staphylococcus aureus infection (aOR 3.50, 95% CI (1.08-11.36)) were associated with CMB. No risk factors emerged as predictors of encephalopathy.
CONCLUSIONS: Large vegetation size is associated with stroke in patients with IE. Mycotic aneurysms are found at a higher frequency in young patients and are the primary cause of intraparenchymal hemorrhage. CMB may be related to prosthetic valves and Staphylococcus aureus infection.
METHODS: Using a database of consecutive adults admitted to a health system with left-sided IE from 2015 to 2019, the frequency of cerebral infarcts, intraparenchymal hemorrhage, cerebral microbleeds (CMB), mycotic aneurysm, and encephalopathy was determined. Variables with significant differences comparing each neurological complication (p < 0.1) were entered into regression models along with age to determine predictors.
RESULTS: 211 patients with mean age 54 (±18) years, and 69 (33%) females were included. Infarcts were found in 118 (56%) patients, intraparenchymal hemorrhage was found in 17 (8%) patients, CMB were found in 58 (27%) patients, mycotic aneurysms were found in 22 (10%) patients, and encephalopathy occurred in 16 (8%) patients. In multivariable models, vegetation size ≥15 mm was associated with a higher risk of infarcts (aOR 2.26, 95% CI (1.12-4.57)), and the presence of a mycotic aneurysm was a risk factor for intraparenchymal hemorrhage (aOR 18.79, 95% CI (3.97-88.97)). Prosthetic valves (aOR 2.89, 95% CI (1.11-7.54)) and Staphylococcus aureus infection (aOR 3.50, 95% CI (1.08-11.36)) were associated with CMB. No risk factors emerged as predictors of encephalopathy.
CONCLUSIONS: Large vegetation size is associated with stroke in patients with IE. Mycotic aneurysms are found at a higher frequency in young patients and are the primary cause of intraparenchymal hemorrhage. CMB may be related to prosthetic valves and Staphylococcus aureus infection.