Your browser doesn't support javascript.
loading
Predictive value of transcranial doppler ultrasound for cerebral small vessel disease in elderly patients / Valor preditivo do ultrassom doppler transcraniano para doença de pequenos vasos em pacientes idosos
Fu, Shengqi; Zhang, Jiewen; Zhang, Hongtao; Zhang, Shuling.
  • Fu, Shengqi; Zhengzhou People's Hospital. Department of Neurology. Zhengzhou. CN
  • Zhang, Jiewen; Zhengzhou University. People's Hospital. Department of Neurology. Zhengzhou. CN
  • Zhang, Hongtao; Zhengzhou People's Hospital. Department of Neurology. Zhengzhou. CN
  • Zhang, Shuling; Zhengzhou People's Hospital. Department of Neurology. Zhengzhou. CN
Arq. neuropsiquiatr ; 77(5): 310-314, Jun. 2019. tab, graf
Article in English | LILACS | ID: biblio-1011347
ABSTRACT
ABSTRACT

Objective:

To investigate the predictive value of transcranial Doppler (TCD) ultrasound for cerebral small vessel disease in elderly patients.

Methods:

Transcranial Doppler ultrasound and magnetic resonance imaging (MRI) were performed on 184 elderly patients with cerebral small vessel disease. The relationship of clinical characteristics and TCD ultrasound parameters with severe white matter lesions (WMLs) in MRI were investigated by univariate analysis and multivariate analysis.

Results:

The univariate analysis showed that age, left middle cerebral artery (MCA) mean flow velocity, right MCA mean flow velocity and mean MCA pulsatility index were significantly correlated with severe WMLs (p < 0.05). The multivariate logistic regression analysis showed that only age (odds ratio 1.21; 95%CI 1.10-1.36; p < 0.01) and MCA pulsatility index (dominance ratio 1.13; 95%CI 1.06-1.80; p = 0.02) were significantly correlated with severe WMLs. The analysis of TCD ultrasound parameters showed that when the cut-off for MCA pulsatility index was 1.04, it could identify severe WMLs. The area under the curve was 0.70 (95%CI 0.60-0.80). The sensitivity and specificity were 63.0% and 72.0%, respectively. The positive and negative predictive values were 35.4% and 86.6%, respectively.

Conclusion:

The MCA pulsatility index in TCD ultrasound is significantly correlated with severe WMLs; and TCD ultrasound can guide selective MRI for the detection of WMLs.
RESUMO
RESUMO

Objetivo:

Investigar o valor preditivo do ultrassom de Doppler transcraniano (TCD) para doença de pequenos vasos (SVD) em pacientes idosos.

Métodos:

ultrassonografia de TCD e ressonância magnética (RM) foram realizadas em 184 idosos portadores de SVD cerebral. As relações das características clínicas e os parâmetros ultrassonográficos do TCD com lesão grave de substância branca (WML) no desempenho da RM foram investigados por análise univariada e análise multivariada.

Resultados:

A análise univariada mostrou que, a idade, a velocidade média de fluxo (MFV) da artéria média cerebral (MCA) esquerda, a MFV da MCA direita e o índice de pulsatilidade (PI) médio estiveram significativamente relacionados à WML grave (P <0,05). A análise de regressão logística multivariada mostrou que apenas a idade (razão de chances 1,21; IC95% 1,10-1,36; P <0,01) e o PI da MCA (razão de dominância 1,13; IC 95% 1,06-1,80; P = 0,02) estiveram significativamente relacionados a WML grave. A análise dos parâmetros ultrassonográficos do TCD mostrou que, quando o ponto de corte do IP do MCA foi 1,04, ele pôde identificar à WML grave. A área sob a curva foi de 0,70 (IC 95% 0,60-0,80). A sensibilidade e especificidade foram de 63,0% e 72,0%, respectivamente. Os valores preditivos positivos e negativos foram de 35,4% e 86,6%, respectivamente.

Conclusão:

O PI da MCA na ultrassonografia do TCD está significativamente relacionado à WML grave. A ultrassonografia TCD pode orientar a ressonância magnética seletiva para detecção da WML.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Magnetic Resonance Imaging / Ultrasonography, Doppler, Transcranial / Cerebral Small Vessel Diseases Type of study: Prognostic study Limits: Aged / Aged80 / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2019 Type: Article Affiliation country: China Institution/Affiliation country: Zhengzhou People's Hospital/CN / Zhengzhou University/CN

Similar

MEDLINE

...
LILACS

LIS


Full text: Available Index: LILACS (Americas) Main subject: Magnetic Resonance Imaging / Ultrasonography, Doppler, Transcranial / Cerebral Small Vessel Diseases Type of study: Prognostic study Limits: Aged / Aged80 / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2019 Type: Article Affiliation country: China Institution/Affiliation country: Zhengzhou People's Hospital/CN / Zhengzhou University/CN