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CC BY-NC-ND 4.0 · Arq Neuropsiquiatr 2021; 79(09): 759-765
DOI: 10.1590/0004-282X-ANP-2020-0167
Article

Increased blood pressure variability predicts poor outcomes from endovascular treatment for aneurysmal subarachnoid hemorrhage

Aumento da variabilidade da pressão arterial prediz resultados ruins de tratamento endovascular para hemorragia subaracnóide aneurismática
Xin-Bo Ge 
1   Xingtai People's Hospital, Department of Neurosurgery, Xingtai, Hebei 054001, China
,
Qun-Fu Yang 
1   Xingtai People's Hospital, Department of Neurosurgery, Xingtai, Hebei 054001, China
,
Zhen-Bo Liu 
1   Xingtai People's Hospital, Department of Neurosurgery, Xingtai, Hebei 054001, China
,
Tao Zhang 
1   Xingtai People's Hospital, Department of Neurosurgery, Xingtai, Hebei 054001, China
,
Chao Liang 
1   Xingtai People's Hospital, Department of Neurosurgery, Xingtai, Hebei 054001, China
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ABSTRACT

Background: Predictors of outcomes following endovascular treatment (ET) for aneurysmal subarachnoid hemorrhage (aSAH) are not well-defined. Identifying them would be beneficial in determining which patients might benefit from ET. Objective: To identify the predictive factors for poor outcomes following ET for aSAH. Methods: 120 patients with ruptured cerebral aneurysms underwent endovascular embolization between January 2017 and December 2018. Blood pressure variability was examined using the standard deviation of the 24-hour systolic blood pressure (24hSSD) and 24-hour diastolic blood pressure (24hDSD). Predictors were identified through univariate and multivariate regression analysis. All patients were followed up for three months. Results: At follow-up, 86 patients (71.7%) had good outcomes and 34 (28.3%) had poor outcomes. Patients with poor outcomes had significantly higher 24hSSD than those with good outcomes (19.3 ± 5.5 vs 14.1 ± 4.8 mmHg; P < 0.001). The 24hDSD did not differ significantly between patients with good outcomes and those with poor outcomes (9.5 ± 2.3 vs 9.9 ± 3.5 mmHg; P = 0.464). The following were significant risk factors for poor outcomes after endovascular embolization: age ≥ 65 years (odds ratio [OR] = 23.0; 95% confidence interval [CI]: 3.0-175.9; P = 0.002); Hunt-Hess grade 3-4 (OR = 6.8; 95% CI: 1.1-33.7; P = 0.039); Fisher grade 3-4 (OR = 47.1; 95% CI: 3.8-586.5; P = 0.003); postoperative complications (OR = 6.1; 95% CI: 1.1-34.8; P = 0.042); and 24hSSD ≥ 15 mmHg (OR = 14.9; 95% CI: 4.0-55.2; P < 0.001). Conclusion: Elevated 24hSSD is a possibly treatable predictive factor for poor outcomes after ET for aSAH.

RESUMO

Antecedentes: Fatores preditores de resultados após tratamento endovascular (TE) para hemorragia subaracnóide aneurismática (HSA) não estão bem definidos. Identificá-los seria útil para determinar quais pacientes podem se beneficiar de TE. Objetivo: Identificar os fatores preditivos de resultados ruins após TE para HSA. Métodos: 120 pacientes com aneurismas cerebrais rompidos foram submetidos à embolização endovascular entre janeiro de 2017 e dezembro de 2018. A variabilidade da pressão arterial foi examinada usando-se o desvio padrão da PA sistólica de 24 horas (DPPAS- 24h) e da PA diastólica de 24 horas (DPPAD-24h). Os fatores preditores foram identificados por meio de análises de regressão univariada e multivariada. Todos os pacientes foram acompanhados por três meses. Resultados: No acompanhamento, 86 pacientes (71,7%) tiveram bons resultados e 34 (28,3%) tiveram resultados ruins. Pacientes com resultados ruins apresentaram DPPAS-24h significativamente maior do que aqueles com bons resultados (19,3 ± 5,5 vs 14,1 ± 4,8 mmHg; P <0,001). O DPPAD-24h não diferiu significativamente entre os pacientes com bons resultados e aqueles com resultados ruins (9,5 ± 2,3 vs 9,9 ± 3,5 mmHg; P = 0,464). Os fatores de risco significativos para resultados ruins após embolização endovascular foram os seguintes: idade ≥ 65 anos (razão de probabilidade [OR] = 23,0; intervalo de confiança de 95% [IC]: 3,0-175,9; P = 0,002); escala de Hunt-Hess 3-4 (OR = 6,8; IC 95%: 1,1-33,7; P = 0,039); escala de Fisher 3-4 (OR = 47,1; IC 95%: 3,8-586,5; P = 0,003); complicações pós-operatórias (OR = 6,1; IC 95%: 1,1-34,8; P = 0,042); e DPPAS 24h ≥ 15 mmHg (OR = 14,9; IC 95%: 4,0-55,2; P <0,001). Conclusão: O DPPAS 24h elevado é um fator preditivo possivelmente tratável para resultados ruins após TE para HSA.

Keywords:

Aneurysm - Subarachnoid Hemorrhage - Endovascular Procedures

Palavras-chave:

Hipertensão - Aneurisma - Hemorragia Subaracnóidea - Procedimentos Endovasculares

Authors’ contributions:

XBG wrote the manuscript. QFY and ZBL collected the data. TZ and CL analyzed the data. All authors contributed to editorial changes in the manuscript. All authors read and approved the final manuscript.




Publication History

Received: 29 April 2020

Accepted: 07 December 2020

Article published online:
01 June 2023

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