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Mansilla, Eloy

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Mansilla

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Eloy

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Now showing 1 - 3 of 3
  • Publication
    Diffusion-weighted imaging as predictor of acute ischemic stroke etiology
    (2022) brunser, alejandro; Mansilla, Eloy; NAVIA, VICTOR; Mazzon, Enrico; Rojo, Alexis; Cavada, Gabriel; Olavarría, Verónica V.; Munoz Venturelli, Paula; Lavados, Pablo
    Background: Topographic patterns may correlate with causes of ischemic stroke. Objective: To investigate the association between diffusion weighted imaging (DWI) and Trial of Org 10172 in Acute Stroke Treatment (TOAST) classification. Methods: We included 1019 ischemic stroke patients. DWI were classified as: i) negative; ii) DWI single lesion (cortico-subcortical, cortical, subcortical ≥20 mm, or subcortical <20 mm); iii) scattered lesions in one territory (small scattered lesions or confluent with additional lesions); and iv) multiple lesions (multiple unilateral anterior circulation [MAC], multiple posterior circulation [MPC], multiple bilateral anterior circulation [MBAC], and multiple anterior and posterior circulations [MAP]). Results: There was a relationship between DWI patterns and TOAST classification (p<0.001). Large artery atherosclerosis was associated with small, scattered lesions in one vascular territory (Odds Ratio [OR] 4.22, 95% confidence interval [95%CI] 2.61–6.8), MPC (OR 3.52; 95%CI 1.54–8.03), and subcortical lesions <20 mm (OR 3.47; 95%CI 1.76–6.85). Cardioembolic strokes correlated with MAP (OR 4.3; 95%CI 1.64–11.2), cortico-subcortical lesions (OR 3.24; 95%CI 1.9–5.5) and negative DWI (OR 2.46; 95%CI 1.1–5.49). Cryptogenic strokes correlated with negative DWI (OR 4.1; 95%CI 1,84–8.69), cortical strokes (OR 3.3; 95%CI 1.25–8.8), MAP (OR 3.33; 95%CI 1.25–8.81) and subcortical lesion ≥20 mm (OR 2.44; 95%CI 1,04–5.73). Lacunar strokes correlated with subcortical lesions diameter <20 mm (OR 42.9; 95%CI 22.7–81.1) and negative DWI (OR 8.87; 95%CI 4.03–19.5). Finally, MBAC (OR 9.25; 95%CI 1.12–76.2), MAP (OR 5.54; 95%CI 1.94–15.1), and MPC (OR 3.61; 95%CI 1.5–8.7) correlated with stroke of other etiologies. Conclusions: A relationship exists between DWI and stroke subtype
  • Publication
    Who is in the emergency room matters when we talk about door-to-needle time: a single-center experience
    (2023) brunser, alejandro; Nuñez, Juan Cristobal; Mansilla, Eloy; Cavada, Gabriel; Olavarría, Verónica V.; Munoz Venturelli, Paula; Lavados, Pablo
    Background: The efficacy of intravenous thrombolysis (IVT) is time-dependent. Objective: To compare the door-to-needle (DTN) time of stroke neurologists (SNs) versus non-stroke neurologists (NSNs) and emergency room physicians (EPs). Additionally, we aimed to determine elements associated with DTN ≤ 20 minutes. Methods: Prospective study of patients with IVT treated at Clínica Alemana between June 2016 and September 2021. Results: A total of 301 patients underwent treatment for IVT. The mean DTN time was 43.3 ± 23.6 minutes. One hundred seventy-three (57.4%) patients were evaluated by SNs, 122 (40.5%) by NSNs, and 6 (2.1%) by EPs. The mean DTN times were 40.8 ± 23, 46 ± 24.7, and 58 ± 22.5 minutes, respectively. Door-to-needle time ≤ 20 minutes occurred more frequently when patients were treated by SNs compared to NSNs and EPs: 15%, 4%, and 0%, respectively (odds ratio [OR]: 4.3, 95% confidence interval [95%CI]: 1.66-11.5, p = 0.004). In univariate analysis DTN time ≤ 20 minutes was associated with treatment by a SN (p = 0.002), coronavirus disease 2019 pandemic period (p = 0.21), time to emergency room (ER) (p = 0.21), presence of diabetes (p = 0.142), hypercholesterolemia (p = 0.007), atrial fibrillation (p < 0.09), score on the National Institutes of Health Stroke Scale (NIHSS) (p = 0.001), lower systolic (p = 0.143) and diastolic (p = 0.21) blood pressures, the Alberta Stroke Program Early CT Score (ASPECTS; p = 0.09), vessel occlusion (p = 0.05), use of tenecteplase (p = 0.18), thrombectomy (p = 0.13), and years of experience of the physician (p < 0.001). After multivariate analysis, being treated by a SN (OR: 3.95; 95%CI: 1.44-10.8; p = 0.007), NIHSS (OR: 1.07; 95%CI: 1.02-1.12; p < 0.002) and lower systolic blood pressure (OR: 0.98; 95%CI: 0.96-0.99; p < 0.003) remained significant. Conclusion: Treatment by a SN resulted in a higher probability of treating the patient in a DTN time within 20 minutes.
  • Publication
    Who is in the emergency room matters when we talk about door-to-needle time: a single-center experience [Quien está en el servicio de emergencia importa al hablar de tiempo puerta-aguja: experiencia de un centro clínico]
    (2023) brunser, alejandro; Nuñez; Juan; Mansilla, Eloy; Cavada, Gabriel; Olavarría, Verónica V.; Munoz Venturelli, Paula; Lavados, Pablo
    Background: The efficacy of intravenous thrombolysis (IVT) is time-dependent. Objective: To compare the door-to-needle (DTN) time of stroke neurologists (SNs) versus non-stroke neurologists (NSNs) and emergency room physicians (EPs). Additionally, we aimed to determine elements associated with DTN ≤ 20 minutes. Methods: Prospective study of patients with IVT treated at Clínica Alemana between June 2016 and September 2021. Results: A total of 301 patients underwent treatment for IVT. The mean DTN time was 43.3 ± 23.6 minutes. One hundred seventy-three (57.4%) patients were evaluated by SNs, 122 (40.5%) by NSNs, and 6 (2.1%) by EPs. The mean DTN times were 40.8 ± 23, 46 ± 24.7, and 58 ± 22.5 minutes, respectively. Door-to-needle time ≤ 20 minutes occurred more frequently when patients were treated by SNs compared to NSNs and EPs: 15%, 4%, and 0%, respectively (odds ratio [OR]: 4.3, 95% confidence interval [95%CI]: 1.66–11.5, p  = 0.004). In univariate analysis DTN time ≤ 20 minutes was associated with treatment by a SN ( p  = 0.002), coronavirus disease 2019 pandemic period ( p  = 0.21), time to emergency room (ER) ( p  = 0.21), presence of diabetes ( p  = 0.142), hypercholesterolemia ( p  = 0.007), atrial fibrillation ( p  < 0.09), score on the National Institutes of Health Stroke Scale (NIHSS) ( p  = 0.001), lower systolic ( p  = 0.143) and diastolic ( p  = 0.21) blood pressures, the Alberta Stroke Program Early CT Score (ASPECTS; p  = 0.09), vessel occlusion ( p  = 0.05), use of tenecteplase ( p  = 0.18), thrombectomy ( p  = 0.13), and years of experience of the physician ( p  < 0.001). After multivariate analysis, being treated by a SN (OR: 3.95; 95%CI: 1.44–10.8; p  = 0.007), NIHSS (OR: 1.07; 95%CI: 1.02–1.12; p  < 0.002) and lower systolic blood pressure (OR: 0.98; 95%CI: 0.96–0.99; p  < 0.003) remained significant. Conclusion: Treatment by a SN resulted in a higher probability of treating the patient in a DTN time within 20 minutes.