Core Temperature Variations During Midazolam vs Propofol Sedation for

Status Completed

Clinical Trial Summary

The present study is a pilot study aiming to compare the variation in core temperature (measured through the non-invasive device Spot-OnTM3MTM) in patients submitted to neuraxial anesthesia for orthopedic procedures, during sedation with midazolam vs propofol.

Clinical Trial Description

In this study the investigators will select 20 patients scheduled for orthopedic surgery of the knee or foot with neuraxial anesthesia (subarachnoid or sequential blocks). Sedation for these procedures with midazolam or propofol is daily practice in the investigators' department.

So the patients will be randomized, through the envelope method, in 2 groups with 10 patients each: "midazolam group" and "propofol group".

In the "midazolam group" the investigators will administer 0,05mg/kg of midazolam, being 2/3 administered before the neuraxial block and 1/3 after.

In the "propofol group" the investigators will administer 0,033mg/kg of midazolam before the neuraxial block, and immediately after installation of the block the investigators will start a propofol target-controlled infusion (TCI) pump (Schnider model) with an effect concentration set at 1mcg/mL. This pump will be turned off at the end of the surgery.

The neuraxial block will be performed inside the operating room and preferentially in lateral decubitus. The choice of drug and dosage used for the block will be left to the anesthesiologist, to mimetize day-to-day practice. The limit dermatome of sensory block will be noted.

The investigators will administer to every patient: cefazolin 2g iv bolus, ketorolac 30 mg iv bolus, pantoprazole 40 mg iv bolus, paracetamol 1g iv perfusion (initiated 30 minutes before the end of surgery).

Central temperature will be monitored with the SpotOnTM3MTM device from entering till leaving the operating room, through a sensor placed in the patient's forehead. Room temperature will be kept at 17 degrees Celsius (ºC). Patients will be warmed with a underbody forced-air blanket (BairHuggerTM3MTM) set at 38ºC and maximal flow, initiated after performing the neuraxial block and stopped right before leaving the operating room.

Data will be analyzed with the Statistical Package for the Social Sciences (SPSS) program. ;

Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Supportive Care

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02502877
Study type	Interventional
Source	Hospital da Luz, Portugal
Contact
Status	Completed
Phase	N/A
Start date	July 2015
Completion date	March 2016

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Core Temperature Variations During Midazolam vs Propofol Sedation for Neuraxial Anesthesia

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms