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Comparison of Carotid Blood Flow Measured by Ultrasound and Cardiac Output in Patients Undergoing Cardiac Surgery.
Bu, Xin-Yi; Wang, Jian-Kai; Zhang, Yong; Chen, Li-Hai; Liu, Jia-Cong; Zhao, Ya-Mai; Shi, Hong-Wei; Ge, Ya-Li.
Afiliación
  • Bu XY; Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, 210029 Nanjing, Jiangsu, China. 1037031075@qq.com.
  • Wang JK; Department of Cardiothoracic and vascular surgery, Nanjing First Hospital, Nanjing Medical University, 210029 Nanjing, Jiangsu, China. 906099436@qq.com.
  • Zhang Y; Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, 210029 Nanjing, Jiangsu, China. zhangyongjxz@163.com.
  • Chen LH; Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, 210029 Nanjing, Jiangsu, China. chenlihai1983@126.com.
  • Liu JC; Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, 210029 Nanjing, Jiangsu, China. liujiacong97@163.com.
  • Zhao YM; Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, 210029 Nanjing, Jiangsu, China. 3631623@qq.com.
  • Shi HW; Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, 210029 Nanjing, Jiangsu, China. mdshw@163.com.
  • Ge YL; Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, 210029 Nanjing, Jiangsu, China. ge_yl@163.com.
Heart Surg Forum ; 26(3): E234-E239, 2023 May 31.
Article en En | MEDLINE | ID: mdl-37401430
ABSTRACT

BACKGROUND:

In general, cerebral blood flow accounts for 10-15% of cardiac output (CO), of which about 75% is delivered through the carotid arteries. Hence, if carotid blood flow (CBF) is constantly proportional to CO with high reproducibility and reliability, it would be of great value to measure CBF as an alternative to CO. The aim of this study was to investigate the direct correlation between CBF and CO. We hypothesized that measurement of CBF could be a good substitute for CO, even under more extreme hemodynamic conditions, for a wider range of critically ill patients.

METHODS:

Patients aged 65-80 years, undergoing elective cardiac surgery were included in this study. CBF in different cardiac cycles were measured by ultrasound systolic carotid blood flow (SCF), diastolic carotid blood flow (DCF), and total (systolic and diastolic) carotid blood flow (TCF). CO simultaneously was measured by transesophageal echocardiography.

RESULTS:

For all patients, the correlation coefficients between SCF and CO, TCF and CO were 0.45 and 0.30, respectively, which were statistically significant, but not between DCF and CO. There was no significant correlation between either SCF, TCF or DCF and CO, when CO was <3.5 L/min.

CONCLUSIONS:

Systolic carotid blood flow may be used as a better index to replace CO. However, the method of direct measurement of CO is essential when the patient's heart function is poor.
Asunto(s)

Texto completo: 1 Base de datos: MEDLINE Asunto principal: Arterias Carótidas / Procedimientos Quirúrgicos Cardíacos Idioma: En Revista: Heart Surg Forum Asunto de la revista: CARDIOLOGIA Año: 2023 Tipo del documento: Article

Texto completo: 1 Base de datos: MEDLINE Asunto principal: Arterias Carótidas / Procedimientos Quirúrgicos Cardíacos Idioma: En Revista: Heart Surg Forum Asunto de la revista: CARDIOLOGIA Año: 2023 Tipo del documento: Article