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Measurement of Stress During Anesthesia With "Pain Detector" on Patients Receiving Atropine

2014-07-23 21:43:39 | BioPortfolio

Summary

24 patients randomly divided into two groups, one of the groups receiving atropine in addition to the planned anaesthesia. Skin conductance parameters to be compared between the two groups.

Description

Skin conductance (SC), in terms of numbers of skin conduction fluctuations (NSCF), amplitude and mean skin conductance level, reflect the activity in the sympathetic postganglionic cholinergic fibers which innervate the palmar and plantar sweat glands. Skin conductance, especially numbers of skin conductance fluctuations, may be a promising tool to monitor anesthesia. Atropine, an anticholinergic agent, acts as an antagonist on the muscarinic receptors of the sweat glands and inhibits their secretion in a dose-dependent way. The aim of this study was to find out to what degree SC is influenced by i.v. administration of atropine.

Study hypothesis: SC is not influenced by i.v. administration of atropine.

Study Design

Allocation: Randomized, Intervention Model: Factorial Assignment, Masking: Open Label, Primary Purpose: Prevention

Conditions

Hemorrhoids

Intervention

Administration of 0,7 mg of atropine, Measurement of skin conductance with Pain detector

Location

Ulleval University Hospital
Oslo
Norway
0407

Status

Recruiting

Source

Rikshospitalet University Hospital

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-23T21:43:39-0400

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Medical and Biotech [MESH] Definitions

Scales, questionnaires, tests, and other methods used to assess pain severity and duration in patients or experimental animals to aid in diagnosis, therapy, and physiological studies.

The application of drug preparations to the surfaces of the body, especially the skin (ADMINISTRATION, CUTANEOUS) or mucous membranes. This method of treatment is used to avoid systemic side effects when high doses are required at a localized area or as an alternative systemic administration route, to avoid hepatic processing for example.

Conditions characterized by pain involving an extremity or other body region, HYPERESTHESIA, and localized autonomic dysfunction following injury to soft tissue or nerve. The pain is usually associated with ERYTHEMA; SKIN TEMPERATURE changes, abnormal sudomotor activity (i.e., changes in sweating due to altered sympathetic innervation) or edema. The degree of pain and other manifestations is out of proportion to that expected from the inciting event. Two subtypes of this condition have been described: type I; (REFLEX SYMPATHETIC DYSTROPHY) and type II; (CAUSALGIA). (From Pain 1995 Oct;63(1):127-33)

Forceful administration under the skin of liquid medication, nutrient, or other fluid through a hollow needle piercing the skin.

Analogs and derivatives of atropine.

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