Transesophageal Echocardiographic Measurements of the Superior Vena Cava for Predicting Fluid Responsiveness in Patients Undergoing Invasive Positive Pressure Ventilation

Objectives Preoperative fasting, water deprivation, and intraoperative fluid loss and redistribution result in hypovolemia in patients undergoing surgery. Some findings have indicated that the superior vena cava (SVC) diameter and variation, as determined by transesophageal echocardiography during s...

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Bibliographic Details
Published in:Journal of ultrasound in medicine 2019-06, Vol.38 (6), p.1519-1525
Main Authors: Cheng, Zhi, Yang, Qian‐qian, Zhu, Pin, Feng, Ji‐ying, Zhang, Xiao‐bao, Zhao, Zhi‐bin
Format: Article
Language:English
Subjects:
Aged
Anesthesia, General
Digestive System Surgical Procedures
Echocardiography, Transesophageal - methods
Female
Fluid Therapy - methods
Humans
intravascular volume status
Male
Middle Aged
positive pressure ventilation
Positive-Pressure Respiration - methods
superior vena cava
transesophageal echocardiography
Treatment Outcome
vascular ultrasound
Vena Cava, Superior - diagnostic imaging
Vena Cava, Superior - physiopathology
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Summary:Objectives Preoperative fasting, water deprivation, and intraoperative fluid loss and redistribution result in hypovolemia in patients undergoing surgery. Some findings have indicated that the superior vena cava (SVC) diameter and variation, as determined by transesophageal echocardiography during surgery, do not reflect central venous pressure effectively. This study aimed to compare and correlate the SVC diameter and variation with the stroke volume variation for predicting fluid responsiveness in patients undergoing invasive positive pressure ventilation. Methods Thirty‐six patients scheduled for elective gastrointestinal surgery under general anesthesia with invasive positive pressure ventilation were included in this study. After anesthesia induction, the stroke volume variation, SVC diameter, mean arterial pressure, central venous pressure, and pulse were recorded, and measurements after fluid challenge were recorded as well. The SVC variation was calculated before and after the fluid challenge. Results After the fluid challenge, the SVC diameter markedly increased, whereas the SVC variation and stroke volume variation significantly decreased (P 
ISSN:0278-4297
1550-9613
DOI:10.1002/jum.14839