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Individualized Goal-directed Sufentanil Administration Versus Standard Therapy in Patients Undergoing Major Abdominal Surgery — PHOENIX  

Major Abdominal Surgery Clinical Trial

Official title:
Individualized Goal-directed Sufentanil Administration Versus Standard Therapy in Patients Undergoing Major Abdominal Surgery: A Randomized Controlled Feasibility Trial.

Clinical Trial Summary

To determine whether a treatment strategy targeting an individualized sufentanil administration based on the Analgesia Nociception Index (ANI) could reduce the total dose of sufentanil during major abdominal surgery, as compared with standard practice.

Clinical Trial Description

Postoperative respiratory complications are the second most frequent complications after surgery, and a major burden in health care. Postoperative hypoxemia, which is one of the most meaningful factors associated with poor patient outcomes, is common after general anesthesia with rates as high as 30-50% in patients after abdominal surgery, even among those undergoing uneventful procedures. Risk factors for early postoperative hypoxemia, whether modifiable or not, are mainly related to the patient condition, the surgical procedure and the intraoperative anesthesia management strategy, especially the detrimental effects resulting from potential residual effects of anesthetic agents. There is, to date, only limited data on the incidence of postoperative hypoxemia resulting from excessive intraoperative opioid administration. The Analgesia Nociception Index (ANI) is a unit-less index ranging from 0 to 100 calculated from the instantaneous wavelet transform analysis of heart rate variability, which indirectly reflects the parasympathetic tone, with higher ANI values indicating a prominent parasympathetic tone. ANI is sensitive to nociception stimuli and has recently been proposed to evaluate the analgesia/nociception equilibrium. The few interventional studies that have investigated the ability of a protocol-driven intraoperative analgesia procedure to reduce postoperative pain have used mixed results. One recent observational study showed that ANI-guided remifentanil administration during vascular surgery resulted in low opioid consumption and low postoperative pain rates. In addition, to our knowledge, no study has investigated whether ANI monitoring can be used to improve postoperative outcome. Accordingly, to determine the impact of an ANI-guided individualized opioids administration on postoperative outcomes, a large multicenter randomized controlled trial is needed. However, before such a trial can take place, it is necessary to determine the feasibility in potential participating sites of successfully reducing intraoperative opioid consumption while reducing postoperative pain. The purpose of this study was to examine the feasibility of undertaking such a trial. Our primary hypothesis is that individualizing sufentanil administration to target ANI values between 50 and 70 during major abdominal surgery could reduce the intraoperative dose of sufentanil, as compared with standard practice. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03166644
Study type Interventional
Source University Hospital, Clermont-Ferrand
Contact
Status Completed
Phase N/A
Start date July 4, 2017
Completion date January 20, 2019
View Details
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