"ACUPUNCTURE IN PAINFUL DISORDERS - ITS POSSIBLE MECHANISM OF ACTION"



INTRODUCTION
Pain alongwith, fatique, hunger and thirst, represents Man's most frequently discomforts. It is natures earliest sign of morbidity. It stands prominent among all the sensory experience by which a person judges the existance of disease within himself. There is hardly any disease which does not have a painfull phase. In fact, the diagnosis of many disease is based upon presence and character of pain. yet, when severe or persistant, it is capable of playing psychological havoc and would force the sufferer to the submit himself to any remedial measure to get relief. Acupuncture ranks amongest one of oldest remedies used for relief of pain.
There is no known painful disorder for which acupuncture is not used. The aim of this paper is to assess the efficiency of acupuncture in various painful disorders.

MATERIAL AND METHODS
The material of this work consists of 1054 cases of various painful disorders treated at Indian Acupuncture Research & Training Centre, Raipur, INDIA ever a period of 11/2 years from June 1979 to Dec. 1980. The various painful conditions included tension headache, migraine, trigeminal neuralgia, cervical spondylitis, lumbago, sciatica, osteo arthritis knee, calcannean spure and plantar fascitis.

Standard acupuncture points were used for treatment in 'Clinical Pratice of Acupuncture' by Agrawal A.L. and Sharma, G.N. Acupuncture Foundation of India, raipur 1980.
Each course consisted of 10 sittings with an interval of 10 days. Three such course were given. Response to treatment was absessed after each course. The response was graded as follows :

Excellent       :    Complete relief from pain.
Good            :     Partial relief from pain with occasional need for analgesics.
Poor             :     Unsatifactory relief from pain.

OBSERVATION
The incidence of various painful disorders is given in Table No. 1

Table No. 1.
Showing incidence of painful disorders treated with Acupuncture:

S.No. Disease No. of Cases Percentage
1 Tension Headache 144 13.60
2 Migraine 36 4.30
3 Trigeminal Neuralgia 24 2.20
4 Cervical Spondylitis 98 9.20
5 Frozen shoulder 84 8.00
6 Myalgia chest 28 2.60
7 Rheumatoid arthritis 170 16.00
8 Lumbago 76 7.20
9 Sciaticn 124 11.17
10 Csteoarthritis Knee 210 18.70
11 Calcanean spur 32 3.20
12 Plantar fascitis 28 2.60
Total 1054 100.00

The common conditions treated were osteoarthritis knee, rheumatoid arthritis, tension headache and sciatica.
The response to treatment after first course and the final response after 3 course are shown in Table No. 2 and 3

Table No. 2
Table showing response to treatment after first course

S.No. Diseases No. Of Cases     Response after 1st course      
      Excellent   Good   Poor  
      Cases % Cases % Cases %
1 Tension Headache 144 121 84.00 15 10.4 8 5.50
2 Migraine 36 30 83.4 3 8.30 3 8.30
3 Trigeminal neuragia 24 12 50.0 8 33.30 4 16.70
4 Cervical Spondylitis 98

60

61.2 30 30.60 8 8.20
5 Frozen shoulder 84 59 70.3 15 17.80 10 11.90
6 Myalgia Chest 28 24 85.1 3 14.30 0 0.00
7 Rheumatoid arthritis 170 110 64.7 41 24.10 19 11.20
8 Lumbago 76 51 67.1 19 25.00 6 7.90
9 Sciaticasp 124 76 61.3 32 25.80 16 12.90
10 O.A.Knee 210 152 72.3 39 18.50 19 9.20
11 Celcanel spur 32 21 65.6 6 18.7 5 15.7
12 Plantar fascitia 28 22 78.6 4 14.2 2 7.1
  Total 1054 738   216   100  

The best response was obtained in tension headache. Response was highly satisfactory also is myalgia chest, frozen shoulder, migraine and painful disprders of the lower limb.

In tension headache, migraine, myalgia chest, and plaster fascitis the response was quick and was seen after the first course. In other corditions the response was slightly delayed.

TABLE No. 03
Table showing final response to treatment

S.No. Diseases Total No. Cases Excellent % Good % Poor %
1 Tension Headache 144 130 90.3 10 6.9 4 2.8
2 Migraine 36 30 83.4 5 3.8 1 2.8
3 Trigeminal neuralgia 24 17 70.8 5 20.8 2 8.4
4 Cervical spondylitis 98 70 71.4 33 22.4 6 6.2
5 Forzen shoulder 84 72 85.6 8 9.9 4 4.8
6 Myagia chest 28 25 89.3 3 10.7 0 0.0
7 Rheumatoid arthritis 170 130 76.4 32 18.8 8 4.0
8 Lumbago 76 60 78.9 11 14.4 5 6.4
9 Sciatica 124 102 82.3 14 11.3 8 6.4
10 Osteo-arthritis- knee 210 173 82.3 26 12.3 11 5.4
11 Calacanea 32 26 81.2 4 12.5 2 6.3
12 Plantar fascitis 28 23 82.2 5 17.8 0 0.0
Total     858   145   51  

The response to treatment in relation to the duration of illness was asseased irrespective of the underlying disease. This is shown in Table No. 4

TABLE NO. 4
Response to treatment in relation to the duration of illness.

Duration of illness No. of Cases Response to treatment
Excellent % Good % Poor %
1 -Month 29 25 86.3 3 10.3 1 3.4
1- 3 Months 108 94 87.1 9 8.3 5 4.7
4 - 6 Months 84 62 73.8 18 21.4 4 4.7
7- 12 Months 93 65 69.8 22 23.6 6 6.6
1- 3 Years 421 356 84.5 51 12.1 14 3.4
- 3 Years 319 256 80.3 42 13.1 21 6.6

There was no signification difference in responce to therapy in relation to duration of illness.

The assess the effect of age and sex on response to acupuncture the four common condition i.e. tension headache, sciatica, oseto arthritis knee and rheumatoid, arthritis, were subdivided according to age and sex. The finding are presented in Table No. 5 and Table No.6.

TABLE NO. 5
Sex incidence and response to treatment

Disease Sex No. of Cases Response to treatment
Excellent % Good % Poor %
Tension headache (144) Male 82 72 87.8 7 8.5 3 3.7
Female 62 68 93.6 3 4.8 1 1.6
Sciatica (124) Male 72 59 81.9 8 11.2 6 6.0
Female 52 43 82.7 6 11.5 3 5.8
O.A.Knee(210) Male 132 108 81.8 16 12.1 8 6.1
Female 78 65 83.3 10 12.8 3 3.9
Rheumatoid arthritis Male 68 53 77.9 12 17.6 3 4.8
Female 102 77 75.4 20 19.2 5 4.9

There was no significant difference in response in relation to sex.

TABLE NO. 6
Age incidence and response to treatment

Disease           Age Group(Years)            
    -30     31-40     41-50     -50  
T F % T F % T F % T F %
Tension headache(144) 42 0 0 55 1 1.9 27 2 5.4 12 1 0.1
Sciatic (124 3 1 33 11 5 45.4 42 2 4.8 68 0 0.1
O.A.Knee(210) 0 - - 6 1 16.6 36 3 8.3 168 7 4.2
Rheumatoid 55 0 0 81 3 9.6 24 3 12.5 9 2 22.2

There was no significant difference in response to age im cases of tension headache. In sciatica and csteoarthritis of knee the failure rate was more in younger patients and in rhumatoid arthritis it was more in older patiens.

DISCUSSION:

The efficacy of acupuncture in painful conditions is well documented. Various theories have been offered to expalin how relief of pain is achieved with acupuncture. Some of the theories which are more popular include gate control theory of Melzack and wall, Endorphin release theory pf pomeranz, thalamic neurone theory etc. Eaxh theory has some pitfalls. It was observed that response was quicker and better in conditions without an organic damage e.g. tension headache. Probably in these patients cortical stimulation is more than the thalmic one. Reaction to pain is more than the pain itself. Though psychological effect of acupuncture can not be denied absolutely our observations do not support the hyponosis theory because quite good results were obtained in organic conditions also.

In younger patients of sciatica and osteoarthritis knee acupuncture worked less satisfactorily. the underlying cause in younger patients of sciatica and osteoarthritis of knee was more often a prolapsed intervertebral disc or underlying bone deformity respectively disease.

Similarly already patients of rhumatoid arthritis had more organic damage to their joints and acupuncture was less effective in these These points favour the gate control theory. Where organic damage is the cause of ain it acts as a compets with and sometimes overpower the impulses generated by acupuncture. Such competitor to acupuncture is absent in 'functional' painful disorders.

Ah-ahi points were used in all the cases. They are located at the site of the disease. Their stimulation results in releases of endorphine which trigger & neural reflexes to produce snslgesia and other healing effect.

In those condition where muscular spasm in a prominent feature, acupuncture also acts by breaking the vicions cycle of pain-spasm-pain.

In diseases like rheumatoid arthritis acupuncture possibly affords additional benefit by its homeostatic effect.

Acording to ancient thories acupuncturein creases the flow or OI which helps to rectify its imbalance.

Moxibustion was also tried in 120 randomly selected casses. It was used in place of electrical stimulation. The results were comparable. Moxibustion acts by reducation of heat whih cause auugmented blood supply which helps in flushing out chemical mediators of pain, like aerotonine, bradykini, acctylcholine, histamine and prostaglaudias.

These points reemphasise the fact that effectiveness of acupuncture can not be explained on the basis of any one theory alon. Basically the system of acupuncture is based on different principle which c can not be comapred with modern medical principles.


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