The Impact of Esmolol Administration on Postoperative Recovery (esmolol)

October 25, 2022 updated by: Dr Kassiani Theodoraki, Aretaieion University Hospital

The Effect of Intraoperative Esmolol Administration on Postoperative Recovery and Chronic Pain

The aim of this study will be to investigate the effect of a continuous infusion of low dose esmolol on intraoperative and postoperative opioid consumption, as well as on postoperative recovery and chronic pain

Study Overview

Detailed Description

Contemporary anaesthesiology requires the quest of ways to restrict the use of opioids, which aim at the alleviation of severe postoperative and chronic pain. This is not only due to the side effects involved but also to the epidemic dimensions their use entails. Esmolol, an extremely short-acting cardioselective antagonist of β1 adrenergic receptors, is effectively used in order to attenuate the stress response and minimize undesirable perioperative hemodynamic changes. More specifically, esmolol has been used effectively to reduce pain during induction of anesthesia with propofol and treat tachycardia and hypertension during laryngoscopy. However, recent studies also highlight a possible antinociceptive and/or analgesic effect of esmolol. Therefore, The aim of this study will be to investigate the effect of a continuous infusion of low dose esmolol on intraoperative and postoperative opioid consumption, as well as on postoperative recovery and chronic pain

Study Type

Interventional

Enrollment (Anticipated)

70

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • adult patients
  • American Society of Anesthesiologists (ASA) classification I-II
  • elective inguinal hernia repair

Exclusion Criteria:

  • body mass index (BMI) >35 kg/m2
  • β-blocker administration preoperatively
  • systematic use of analgesic agents preoperatively
  • chronic pain syndromes preoperatively
  • neurological or psychiatric disease on treatment
  • pregnancy
  • severe hepatic or renal disease
  • history of cardiovascular diseases/ arrhythmias/ conduction abnormalities
  • hemodynamic instability
  • drug or alcohol abuse
  • language or communication barriers
  • lack of informed consent
  • bilateral inguinal hernia repair

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: esmolol group
loading dose of esmolol 0.05 mL/kg and maintenance dose of esmolol 0.3 mL/kg/h
In the esmolol group, patients will receive a bolus dose of esmolol followed by a continuous infusion of esmolol intraoperatively
Placebo Comparator: placebo group
loading dose of 0.9% sodium chloride 0.05 mL/kg and maintenance dose of 0.9% sodium chloride 0.3 mL/kg/h
In the placebo group, patients will receive a bolus dose of normal saline followed by a continuous infusion of normal saline intraoperatively

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
pain score 3 hours postoperatively
Time Frame: 3 hours postoperatively
pain score by the use of Numeric Rating Scale (NRS) 3 hours postoperatively, ranging from 0 to 10, where 0 means "no pain" and 10 means "worst pain imaginable"
3 hours postoperatively
pain score 6 hours postoperatively
Time Frame: 6 hours postoperatively
pain score by the use of Numeric Rating Scale (NRS) 6 hours postoperatively, ranging from 0 to 10, where 0 means "no pain" and 10 means "worst pain imaginable"
6 hours postoperatively
pain score 24 hours postoperatively
Time Frame: 24 hours postoperatively
pain score by the use of Numeric Rating Scale (NRS) 24 hours postoperatively, ranging from 0 to 10, where 0 means "no pain" and 10 means "worst pain imaginable"
24 hours postoperatively

Other Outcome Measures

Outcome Measure
Measure Description
Time Frame
change from baseline in Quality of Recovery (QoR)-15 score after surgery
Time Frame: 24 hours postoperatively
The QoR-15 is a quality of recovery scale that consists of 15 questions (items),including questions regarding pain (2 items), physical comfort (5 items), self-care ability (2 items), psychological support (2 items) and emotional state (4 items). Every item is scored on a scale of 10, with the lowest total score of 0 and the highest score of 150. The higher the score, the better the recovery quality of the patient
24 hours postoperatively
pain score on arrival to Post-Anesthesia Care Unit (PACU)
Time Frame: immediately postoperatively
pain score by the use of Numeric Rating Scale (NRS) on arrival to PACU, ranging from 0 to 10, where 0 means "no pain" and 10 means "worst pain imaginable"
immediately postoperatively
Post Anesthesia Care Unit (PACU) duration of stay
Time Frame: immediately postoperatively
duration of patient stay at PACU
immediately postoperatively
sedation on arrival to Post-Anesthesia Care Unit
Time Frame: immediately postoperatively
sedation will be assessed with a 5-point sedation scale, where: 1, patient perfectly conscious; 2, patient feels a little drowsy; 3, patient seems to be sleeping but immediately reacts to verbal stimulation; 4, patient seems to be sleeping but slowly reacts to verbal stimulation and 5, patient seems to be sleeping and does not react to verbal stimulation but does react to a stimulus such as shaking or pain
immediately postoperatively
morphine consumption in Post-Anesthesia Care Unit (PACU)
Time Frame: immediately postoperatively
mg of morphine requested during patient PACU stay
immediately postoperatively
sleep quality
Time Frame: 24 hours postoperatively
subjective evaluation of sleep quality by patients, based on a sleep questionnaire (evaluation of sleep duration, number of nocturnal awakenings and marking of sleep quality)
24 hours postoperatively
first mobilization after surgery
Time Frame: 24 hours postoperatively
patients will be questioned regarding the time at which they mobilized after surgery
24 hours postoperatively
fentanyl requirement during surgery
Time Frame: intraoperatively
dose of required fentanyl intraoperatively to maintain systolic arterial blood pressure and heart rate within the 20% of baseline value
intraoperatively
incidence of chronic pain 1 month after surgery
Time Frame: 1 month after surgery
occurrence of chronic pain at the site of the operation 1 month after surgery, with the use of the Numeric Rating Scale (NRS), at rest and during movement
1 month after surgery
incidence of chronic pain 3 months after surgery
Time Frame: 3 months after surgery
occurrence of chronic pain at the site of the operation 3 months after surgery, with the use of the Numeric Rating Scale (NRS), at rest and during movement
3 months after surgery
sedation at discharge from Post-Anesthesia Care (PACU) Unit
Time Frame: at discharge from Post Anesthesia Care Unit (PACU), approximately 1 hour postoperatively
sedation will be assessed with a 5-point sedation scale, where: 1, patient perfectly conscious; 2, patient feels a little drowsy; 3, patient seems to be sleeping but immediately reacts to verbal stimulation; 4, patient seems to be sleeping but slowly reacts to verbal stimulation and 5, patient seems to be sleeping and does not react to verbal stimulation but does react to a stimulus such as shaking or pain
at discharge from Post Anesthesia Care Unit (PACU), approximately 1 hour postoperatively
sevoflurane consumption during general anesthesia
Time Frame: change of sevoflurane vaporizer weight from before induction to end of anesthesia, an average period of 1-2 hours
the sevoflurane vaporizer will be weighed before anesthetic induction and at the end of anesthesia and consequently sevoflurane consumption during anesthesia will be determined
change of sevoflurane vaporizer weight from before induction to end of anesthesia, an average period of 1-2 hours
time to first request for analgesia
Time Frame: during stay in Post-Anesthesia Care Unit (PACU), approximately 1 hour postoperatively
the time for the first patient request for analgesia will be noted
during stay in Post-Anesthesia Care Unit (PACU), approximately 1 hour postoperatively
tramadol consumption in the first 24 hours
Time Frame: 24 hours postoperatively
patients will be followed for cumulative tramadol consumption for 24 hours postoperatively
24 hours postoperatively
gastrointestinal recovery after surgery
Time Frame: 24 hours postoperatively
patients will be questioned regarding the time they first felt enteral sounds and the time they had their first flatus after surgery
24 hours postoperatively
first fluid intake
Time Frame: 24 hours postoperatively
patients will be questioned regarding the time they had their first fluid intake
24 hours postoperatively
first solid intake
Time Frame: 24 hours postoperatively
patients will be questioned regarding the time they had their first solid intake
24 hours postoperatively
hospitalization time
Time Frame: 96 hours postoperatively
duration of hospital stay after surgery in hours
96 hours postoperatively
side effects postoperatively
Time Frame: 48 hours postoperatively
patients will be monitored for side-effects of the administered agents postoperatively
48 hours postoperatively
duration of nociception level<25 intraoperatively
Time Frame: intraoperatively
nociception level (NOL) is a device that measures the status of analgesia intraoperatively. Levels<25 suggest adequate intraoperatively analgesia
intraoperatively
pain score at discharge from Post-Anesthesia Care Unit (PACU)
Time Frame: at discharge from Post Anesthesia Care Unit (PACU), approximately 1 hour postoperatively]
pain score by the use of Numeric Rating Scale (NRS) at discharge from PACU, ranging from 0 to 10, where 0 means "no pain" and 10 means "worst pain imaginable"
at discharge from Post Anesthesia Care Unit (PACU), approximately 1 hour postoperatively]
time to emergence
Time Frame: up to 2 hours after start of surgery
time from sevoflurane discontinuation to first patient response (eye opening)
up to 2 hours after start of surgery
time to extubation
Time Frame: up to 2 hours after start of surgery
time from sevoflurane discontinuation to tracheal extubation
up to 2 hours after start of surgery
satisfaction from analgesia
Time Frame: at discharge from Post Anesthesia Care Unit, approximately 1 hour postoperatively
satisfaction from postoperative analgesia on a four-point Likert scale with 1 marked as minimal satisfaction and 4 as maximal satisfaction
at discharge from Post Anesthesia Care Unit, approximately 1 hour postoperatively
change from baseline in cortisol levels after surgery
Time Frame: during patient stay in the Post Anesthesia Care Unit, approximately 2 hours postoperatively
blood samples will be collected to measure the variation in cortisol levels from the induction of anesthesia till the arrival of the patient to the Post Anesthesia CAre Unit
during patient stay in the Post Anesthesia Care Unit, approximately 2 hours postoperatively
change from baseline in prolactin levels after surgery
Time Frame: during patient stay in the Post Anesthesia Care Unit, approximately 2 hours postoperatively
blood samples will be collected to measure the variation in prolactin levels from the induction of anesthesia till the arrival of the patient to the Post Anesthesia CAre Unit
during patient stay in the Post Anesthesia Care Unit, approximately 2 hours postoperatively
change from baseline in lactate levels after surgery
Time Frame: during patient stay in the Post Anesthesia Care Unit, approximately 2 hours postoperatively
blood samples will be collected to measure the variation in lactate levels from the induction of anesthesia till the arrival of the patient to the Post Anesthesia CAre Unit
during patient stay in the Post Anesthesia Care Unit, approximately 2 hours postoperatively

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

October 1, 2022

Primary Completion (Anticipated)

October 1, 2024

Study Completion (Anticipated)

October 1, 2024

Study Registration Dates

First Submitted

October 1, 2022

First Submitted That Met QC Criteria

October 1, 2022

First Posted (Actual)

October 5, 2022

Study Record Updates

Last Update Posted (Actual)

October 27, 2022

Last Update Submitted That Met QC Criteria

October 25, 2022

Last Verified

October 1, 2022

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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