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A clinical study of electric habituation was undertaken in winter 1997. This study is always in hand.

history
protocol
results

history

To improve quality of the care, we acquired electrotherapy apparatuses, with constant voltage, in 1995. Manufacturing advised, to avoid the problems of accommodation, to use the amplitude or frequency modulation.

During a treatment, having forgotten to activate the modulations, a patient asked to me whether it were normal that it does not have any more any current sensation. My initial reaction, was to check connections and the correct operation of the apparatus. All seemed to be normal.

It was my first confrontation with electric accommodation.

How to react?

I decided to increase the amplitude of the output voltage until the patient perceives, again, a feeling. If the phenomenon still intervened, the answer would be identical.

We decided to record, if, the results (name of the patient, tension of beginning and end) on a Excel file, at the beginning of 1996. The analysis of the data (1 019 samples) highlighted an increase (+17%), significant (p<0,0001), and an obvious correlation between the tension of the beginning and end of care. The data-gathering was modified in 1997, to take account of the localization of the treatment and the number of cares. The data complexity and slowness of processing by Excel obliged me to carry out a software house, at the end of 1997.

The project was carried out under Delphi 4 and 5, by using the power of the data bases and the flexibility of SQL queries. The schedule of conditions was as follows:

Individual management of the patient;

    name
    first name
    date of birth
    sex

Management of the treatments;

    localization (zone of action)
    graphic visualization

Management of the meetings;

    event date
    number of care
    value of beginning
    value at the end of care
    variation and percentage

Total management;

    regrouping of the data by zone
    graphic visualization
    distribution
    weighting
    variations and percentage
    evolution by zone and number of care

protocol

In order to be able to compare, without dispute, the collected data, it was decided :

    to use for all the patients, the same electrodes (15 cm²).
    to use the same frequency of care (60 Hz).
    that the patient indicates to the expert, any variation of sensation.
    if the sensation decreases, the expert increases tension to find the preceding one.
    if the feeling is painful, the tension is decreased. The value of beginning is re-initialized.
    The average duration of treatment is 15 minutes.
    no measurement is discarded.

results

Today, 07/06/2003, we collected 16 227 measurements:

localization

numbers

percentage

rachis

5 769

35,55 %

upper limb

2 927

18,04 %

lower limb

4 323

26,64 %

witness

3 208

19,77 %

TOTAL

16 227

100,00 %

Distribution of the threshold of feeling, at the beginning of care.

Distribution of the threshold of feeling at the end of the care.

Weighting of the thresholds of feelings, beginning and end of cares.

Evolution according to the number of care (temporal evolution).

 

 

 
     updated 07/11/2003