Warm Patch Decrease Propofol Injection Pain

First People's Hospital of Chenzhou120 enrolled

Overview

Propofol causes injection pain is still a common clinical unsolved problem. Mixing a small amount of lidocaine with propofol or injecting lidocaine in advance can reduce the pain caused by propofol injection. Using an air warmer to warm the arm can also reduce the pain caused by propofol injection. Investors suspect that treatment with a warming patch (covering the injection site) can also reduce the pain caused by propofol injection.

This is a single-center randomized controlled clinical study. Purpose of this study is to explore whether the coverage of the warming patch (for 5min before injection) can reduce the pain induced by propofol injection. The patients included in the study were randomly divided into two groups. The group W used a warming patch to cover the injection site, and the group C used a cotton pad to cover the injection site. After 5 minutes of coverage, the propofol injection was induced, and the patient's complaint of pain (calling or arm withdrawal) during propofol injection was observed, and the patient's recall of the pain score during induction after the patient recovered. After the patients regained consciousness, the data of the two groups were compared to determine whether the use of the warming patch could reduce the pain caused by propofol injection.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

PREVENTION

Masking

DOUBLE

Enrollment

120

Conditions

Pain Syndrome Propofol Infusion Syndrome Injection Site Irritation

Interventions

Warming patchDEVICE

The warming patch can increase the temp of injection site, result in a blood vessels to dilate, which may have some contribute to decreasing injection pain.

Cotton patchDEVICE

The Cotton patch will cover the injection site as placebo. It dose not have the function of heating comparing to Warming patch.

Eligibility

Sex: ALLMin age: 20 YearsMax age: 40 Years

Medical Language ↔ Plain English

Inclusion Criteria: * No peripheral phlebitis * No history of Raynaud's syndrome * No history of smoking or alcoholism * Body mass index BMI\<28 kg/cm2 Exclusion Criteria: * Refusal of anesthesia * Previous injection pain caused by propofol * Difficulty in exposing the veins on the back of the hand or difficulty in venipuncture * Complained of pain after normal saline infusion.

Locations (1)

Zhiming Zhang

Chenzhou, Hunan, China

Outcomes

Primary Outcomes

Arm withdrawn

When propofol was injected, the arm was withdrawn due to injection pain.

Time frame: 5min

Complaints of pain

The patient complained about the pain of the propofol injection

Time frame: 5min

Pain score after awakening from propofol

Let the patients give a score when they recoved from propofol induced anesthesia.

Time frame: 10min

Secondary Outcomes

Respiratory depression

those ases when pulse oxygen saturation is less than 90%

Time frame: 5min

Temperature of injection site after injecting of propofol.

Get the temperature of the back of the hand with an infrared thermometer

Time frame: 10min

Data from ClinicalTrials.gov

This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.