The Influence of Injection Speed on Pain During Administration of Local Anaesthetic.

Norwegian University of Science and Technology36 enrolled

Overview

This study will investigate the influence of injection speed on pain during injection of lidocaine. It is anticipated that a longer injection time will lead to less pain for the patient during the injection. This hypothesis will be tested on healthy volunteers, who will each receive three injections with the same amount of lidocaine subcutaneously on the abdomen. The injections will be given over 15, 30 and 45 seconds. After each injection, the subject will be asked to evaluate the pain on a Visual analog scale (0-100 mm). The aim of the study is to find a simple method for pain reduction that can be used in clinical practice.

Study Type

INTERVENTIONAL

Allocation

Purpose

TREATMENT

Masking

NONE

Enrollment

Conditions

Needlestick Injuries

Interventions

Slow lidocaine injectionPROCEDURE

speed 45 seconds

Fast lidocaine injectionPROCEDURE

speed 15 seconds

Eligibility

Sex: ALLMin age: 18 YearsMax age: 65 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * Age 18-65 years Exclusion Criteria: * Kidney, heart or liver disease * Eczema or psoriasis on injection site * Neuropathy * Regular use of painkillers * Hypersensitivity of Lidocaine * Pregnancy * Diabetes

Locations (1)

Department of Neuroscience, NTNU

Trondheim, Norway

Outcomes

Primary Outcomes

Pain

1. Visual Analog scale 0-100 mm 2. Questionnaire

Time frame: 60 seconds

Data from ClinicalTrials.gov

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