Thorac Cardiovasc Surg 2022; 70(01): 050-055
DOI: 10.1055/s-0041-1725181
Short Communication

Ensure an “Ultrasound Window” on the Patient's Neck to Evaluate Cerebral Blood Flow!

1   Division of Anesthesiology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
,
Takehito Mishima
2   Division of Thoracic and Cardiovascular Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
,
Shuichi Shiraishi
2   Division of Thoracic and Cardiovascular Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
,
Takeshi Saito
3   Department of Clinical-Engineering, Niigata University Medical and Dental Hospital, Niigata, Japan
,
4   Department of Pediatric Anesthesiology, University Hospital Bonn, Bonn, Germany
› Author Affiliations
Funding None.

Abstract

Near-infrared spectroscopy (NIRS) does not provide information about changes in oxygenation in whole-brain areas. Although the branching vessels of the aortic arch are not always easy to identify using transesophageal echocardiography (TEE), the blood flow status of cervical arteries can always be assessed by applying an ultrasound probe via the “ultrasound window” on the patient's neck, which can be ensured by devising alternative insertion approaches of the central venous catheter. This method is very simple but compensates for the limitations of the combination of NIRS and TEE, especially during cardiac surgery with cardiopulmonary bypass management using selective cerebral perfusion.

Details of Authors' Contributions

Tomohiro Yamamoto is the corresponding author. He wrote the first draft of the manuscript, and made the figures and [Supplemental video 1].


Takehito Mishima, Shuichi Shiraishi, Takeshi Saito, and Ehrenfried Schindler helped in writing the first draft of the manuscript.


Supplementary Material



Publication History

Received: 06 November 2020

Accepted: 19 January 2021

Article published online:
15 June 2021

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