Iranian Heart Journal

Iranian Heart Journal

Effects of Advanced Hemodynamic Monitoring on the Postoperative Intubation Time in Patients With Moderate-to-Severe Left Ventricular Dysfunction Undergoing Cardiac Surgery

Document Type : Original Article

Authors
Mostafa Alavi 1
Fatemehshima Hadipourzadeh 1
Rasoul Azarfarin 2
Touraj Babaee 1
Mohsen Ziyaeifard 1
1 Cardiac Anesthesia Department, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, IR Iran.
2 Echocardiography Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, IR Iran.
Abstract
Background:Advanced monitoring can lead to the early recovery of patients in complicated and high-risk surgical operations. The aim of this study was to evaluate the effects of advanced monitoring on the hemodynamics of patients undergoing cardiac surgery.
 
Methods:In this study, patients undergoing cardiac surgery were divided into 2 groups of control and advanced monitoring. In each group, 25 patients were examined. The patients had moderate-to-severe left ventricular dysfunction (ejection fraction < 35%). The patients in the case group were placed on the FloTrac cardiac output monitor, which is used as a therapeutic guide in the operating room and the intensive care unit (ICU).
 
Results:Upon ICU admission, the average stroke volume variation and the mean cardiac index in the advanced monitoring group in the first 6 hours were 10 and 2.7, respectively, and in the second 6 hours were 11 and 2.8, correspondingly. The mean serum level administered was 1000 cc in the first 6 hours and 500 cc in the second 6 hours. In the control group, the mean serum level administered was 2000 cc in the first 6 hours and 500 cc in the second 6 hours, which had a significant relationship between the 2 groups in the first 6 hours (p = 0.01). Additionally, 84% of the patients with advanced monitoring were extubated in the first 6 hours (p = 0.0).
 
Conclusions: This study showed that cardiac surgery in patients with moderate-to-severe left ventricular dysfunction using advanced monitoring and goal-directed hemodynamic therapy based on the cardiac index, the stroke volume variation, and the stroke volume index reduced the duration of intubation after surgery. (Iranian Heart Journal 2020; 21(4): 25-32)
 

Highlights

 

 

Keywords
Advanced monitoring
Cardiac surgery

 

 
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Iranian Heart Journal
Volume 21, Issue 4
Autumn 2020
Pages 14-21