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Postgrad Med J. 2001 Jul;77(909):445-6.

Is transcutaneous electrical nerve stimulation an effective analgesia during colonoscopy?

Author information

1
Glenfield Hospital, NHS Trust, Leicester, UK.

Abstract

OBJECTIVES:

To evaluate the efficacy of transcutaneous electrical nerve stimulation (TENS) as analgesia during colonoscopy.

DESIGN:

In a randomised controlled trial, patients undergoing diagnostic colonoscopy were assigned to one of three groups: standard medication only (midazolam); active TENS plus standard medication; or non-functioning TENS and standard medication. Efficacy of TENS was determined using numerical rating scores for pain and the post-procedural evaluation questionnaire.

SETTING:

Patients undergoing diagnostic colonoscopy in a teaching hospital.

MAIN OUTCOME:

There was no statistically significant differences between the three groups. However in the active TENS group there was a greater variation in "physical discomfort" and "psychological distress", suggesting TENS may be effective in subgroup of patients.

PMID:
11423594
PMCID:
PMC1760991
[Indexed for MEDLINE]
Free PMC Article
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