Abstract of a study to measure the possible differences in the perception of pain and temperature in hemiplegic patients

South African Journal of Physiotherapy

Field Value
Title Abstract of a study to measure the possible differences in the perception of pain and temperature in hemiplegic patients
Creator Hale, L. A.
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Description Introduction: The peripheral sensations of pain and temperature are so closely linked anatomically1 that often only one is assessed during the physiotherapy examination of a neurologically impaired patient. The assumption is made that they would either both be affected or both be normal. Usually pain perception is evaluated as it is the quicker and easier of the two tests. However, could it be possible that pain sensibility be normal, yet temperature abnormal? This scenario could have dire consequences for the patient, as the therapist would neglect to warn the patient or his/her care giver of the possibility of burning themselves, for instance, when climbing into too hot a bath, or sitting too close to a heater. A pilot study investigated the validity of this assumption in subjects having sustained a cerebral vascular accident (CVA).Procedure: The pain and temperature perceptions of twenty-two acute (less than three months prior) CVA patients were assessed. Pain was assessed using the pin prick method, and temperature, using hot and cold test-tubes on both sides of the body in thirteen different areas2,3.Results :There were fifteen female and seven male subjects tested, nine of whom had right CVA's, while thirteen had sustained left CVA's. Eight of the subjects had normal sensation, and ten had both pain and temperature decreased. Four of the subjects (all left CVA's) reported a normal perception to pain, but this was decreased as compared to temperature, especially to heat.Discussion: The results were in keeping with those of Samuelsson et al4. However, the study requires more stringent inclusion criteria, for example a smaller age range as the appreciation of sensation may decrease with age, and a larger sample in order to determine the difference between left and right CVA's. Only middle cerebral artery territory strokes should be included. Unfortunately the nature of the assessment of sensation requires that the subject be able to understand the test and be able to communicate their reply, thus aphasic subjects, both receptive and expressive would have to be excluded. Follow-up studies may have to be included, as sensation perception may improve with time following a CVA1.Conclusion: Although there was not conclusive evidence these two sensations may be affected by a CVA, there were examples of when it did occur.  perhaps it is incumbent on physiotherapists to warn all their clients of the possibility and consequences of a loss of temperature sensation, even if pain perception appears normal.
Publisher AOSIS
Date 1996-05-31
Type info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion — —
Format application/pdf
Identifier 10.4102/sajp.v52i2.633
Source South African Journal of Physiotherapy; Vol 52, No 2 (1996); 32 2410-8219 0379-6175
Language eng
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Rights Copyright (c) 2018 L. A. Hale https://creativecommons.org/licenses/by/4.0