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Serum Prealbumin Levels on Admission as a Prognostic Marker in Stroke Patients Treated with Mechanical Thrombectomy
Begoña López1, Maria Castañón-Apilánez2,3, Javier Molina-Gil2
1Department of Neurology, Hospital Universitario Central de Asturias, Oviedo, Spain, begolopezl@hotmail.com.
Introduction:
Prealbumin is a marker of malnutrition and inflammation. It has been associated with poor prognosis in cardiovascular disease, but less is known in stroke patients. Our objective was to evaluate the association of prealbumin levels at admission with prognosis in patients with stroke treated with mechanical thrombectomy.
Methods:
Retrospective study of a prospective database of consecutive patients treated with mechanical thrombectomy. Clinical, radiological, and blood parameters including serum prealbumin, and prognostic variables such as respiratory infection, in-hospital mortality, and the modified Rankin scale at 3 months were collected.
Results:
We included 319 patients between 2018 and 2019. Prealbumin levels were significantly lower in patients older than 80 years, women, patients with a prestroke Rankin score >2, a glomerular filtrate rate <60 mL/min, and in those with atrial fibrillation. Regarding prognostic variables, prealbumin levels were not associated with respiratory infection. Low prealbumin levels were associated with poor functional prognosis (Rankin score >2), in-hospital mortality, and 3-month mortality. In multivariate analysis, prealbumin was an independent risk factor associated with mortality at 3 months, OR 0.92 [0.86-0.98], p = 0.019.
Conclusion:
Lower prealbumin levels at admission behaved as an independent predictor of long-term mortality in patients treated with mechanical thrombectomy. These results should be replicated in other cohorts.
