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1.
J Burn Care Rehabil ; 11(4): 322-9, 1990.
Article in English | MEDLINE | ID: mdl-2205609

ABSTRACT

This study was designed to test the hypothesis that auricular acupuncture-like transcutaneous electrical nerve stimulation would significantly reduce the pain experienced by patients with burns immediately after wound debridement, other wound care, and dressing changes. Subjects were 11 inpatients at the University of Alabama Hospital Burn Unit. A two-period crossover design was used, and each patient received one experimental treatment consisting of bilateral acupuncture-like transcutaneous electrical nerve stimulation to six ear points and one control treatment consisting of a placebo pill. The Visual Analogue Scale was used as a measure of pain and was completed immediately before and after treatments and at 15, 30, and 60 minutes after treatment. A two-factor repeated measures ANOVA indicated significant effects of measurement time (p less than 0.001) and treatment by time (p = 0.002). Post hoc analysis revealed significant differences (p less than 0.05) between experimental and control conditions at all times after treatment but not at pretreatment baseline. These results indicate that auricular acupuncture-like transcutaneous electrical nerve stimulation may be an effective pain management technique in patients with burns.


Subject(s)
Burns/physiopathology , Ear, External , Pain/prevention & control , Transcutaneous Electric Nerve Stimulation , Bandages , Burns/therapy , Debridement , Double-Blind Method , Electroacupuncture , Female , Humans , Male , Pain Measurement , Pilot Projects
2.
Phys Ther ; 70(1): 24-30, 1990 Jan.
Article in English | MEDLINE | ID: mdl-2294528

ABSTRACT

This study was conducted to examine the effects of helium-neon laser auriculotherapy on experimental pain threshold. Eighty healthy female and male subjects, aged 18 to 39 years, were assigned randomly to one of two treatment groups. Subjects in the Experimental Group (n = 41) received laser stimulation, and subjects in the Control Group (n = 39) received sham stimulation to appropriate acupuncture points on the left ear. Experimental pain threshold at the ipsilateral wrist was determined with an electrical stimulus immediately before and after treatment. The mean change (posttreatment minus pretreatment) for the Experimental Group was greater than the mean change for the Control Group (p less than .05). The Experimental Group demonstrated a statistically significant (p less than .05) increase in mean pain threshold after treatment, but the Control Group did not. Results indicate that helium-neon laser auriculotherapy can increase experimental pain threshold and suggest a possible alternative for patients intolerant of transcutaneous electrical nerve stimulation.


Subject(s)
Laser Therapy , Pain Management , Adult , Ear, External , Female , Humans , Male , Pain Measurement , Wrist
3.
Clin J Pain ; 5(4): 337-42, 1989 Dec.
Article in English | MEDLINE | ID: mdl-2520424

ABSTRACT

The purpose of this study was to compare the effects of high-frequency vibration when applied to two areas of different size. Subjects were 30 right-handed Caucasian women, aged 19-38 years, with a negative history of upper extremity dysfunction. The experimental cutaneous pain threshold was determined by stimulating the skin over the pisiform bone on the palmar surface of the hand. Pain threshold measurements were taken before, during, and 2 and 5 min after vibration. Group A received vibration to an area 12.5 cm2 on the ulnar aspect of the palm of the hand 1 cm distal to the pisiform bone. Group B received vibration to an area 25 cm2, also on the ulnar aspect of the palm of the hand. Results of the mixed design analysis of variance performed on the mean pain thresholds indicate that there was no significant main effect for group (size of area vibrated), p greater than 0.05, or interaction effect between group by trial (size of area vibrated and time of pain threshold measurement), p greater than 0.05. There was a significant main effect for trial (time of pain threshold measurement), p less than 0.001. Pain threshold values were greatest for both groups during the period of vibration.


Subject(s)
Pain/physiopathology , Vibration/adverse effects , Adult , Electrodes , Erythema/physiopathology , Female , Galvanic Skin Response , Hand , Humans , Pain Measurement , Sensory Thresholds
4.
Phys Ther ; 69(8): 671-8, 1989 Aug.
Article in English | MEDLINE | ID: mdl-2787514

ABSTRACT

This study compared the effects of high intensity, low frequency transcutaneous electrical nerve stimulation of auricular, somatic, and combined auricular and somatic acupuncture points on experimental pain threshold measured at the wrist. Sixty-seven healthy adults, aged 18 to 39 years, were assigned randomly to one of four groups: 1) the Auricular Group (n = 17) received TENS to auricular acupuncture points, 2) the Somatic Group (n = 17) received TENS to somatic acupuncture points, 3) the Combined Group (n = 17) received TENS to both auricular and somatic acupuncture points, and 4) the Control Group (n = 16) received no TENS and served as controls. Pain threshold was measured immediately before and after treatment or rest. Pain threshold significantly increased (p less than .05) in the Auricular, Somatic, and Combined Groups following treatment, with no statistically significant differences in mean pain threshold change scores among treatment groups. The Control Group demonstrated no statistically significant change in pain threshold. The results indicate that TENS applied to any of the three sets of acupuncture points equally increases pain threshold, thus possibly increasing options in choosing stimulation sites for treating patients with pain.


Subject(s)
Acupuncture Therapy , Ear/physiopathology , Electric Stimulation Therapy , Pain/physiopathology , Transcutaneous Electric Nerve Stimulation , Adolescent , Adult , Female , Humans , Male , Random Allocation , Sensory Thresholds , Wrist
5.
Phys Ther ; 69(1): 10-7, 1989 Jan.
Article in English | MEDLINE | ID: mdl-2783492

ABSTRACT

The purpose of this pilot study was to determine the effectiveness of auricular acupuncture-like transcutaneous electrical nerve stimulation on pain. Fifteen subjects (6 men, 9 women) experiencing distal extremity pain received either one placebo pill or a 10-minute treatment of acupuncture-like TENS bilaterally to five acupuncture points on the auricle. Pain levels were measured before treatment and at 0, 10, and 30 minutes posttreatment using the visual analogue scale (VAS) and the pain rating index (PRI) of the McGill Pain Questionnaire. The VAS showed no statistically significant differences between Experimental Group (n = 8) and Control Group (n = 7) means at pretreatment or posttreatment; however, both groups showed a reduction in VAS means over time. The Experimental and Control Group means on the PRI were significantly different (p less than .05) at all three posttreatment measurements, but not at pretreatment baseline measurement. These results suggest that auricular acupuncture-like TENS could be an alternative for relief of distal extremity pain. Additional clinical studies are necessary to validate the results of this study.


Subject(s)
Acupuncture Therapy/methods , Electric Stimulation Therapy , Extremities , Pain Management , Transcutaneous Electric Nerve Stimulation , Adult , Aged , Ear, External/physiology , Female , Humans , Male , Middle Aged , Pain Measurement/methods , Pilot Projects
6.
Phys Ther ; 69(1): 3-9, 1989 Jan.
Article in English | MEDLINE | ID: mdl-2783493

ABSTRACT

The purpose of this study was to replicate a previous study to determine the effectiveness of acupuncture-like transcutaneous electrical nerve stimulation in treating primary dysmenorrhea. Twenty-one women with dysmenorrhea received a placebo pill or 30 minutes of acupuncture-like TENS. All subjects completed two pain questionnaires before treatment; immediately posttreatment; 30, 60, 120, and 180 minutes posttreatment; and the next morning upon awakening. Each woman also participated in a separate study measuring electrical resistance at four auricular acupuncture points before and immediately after treatment. The data were analyzed with a two-factor repeated-measures analysis of variance, which revealed statistical significance over time but not for group or interaction between group and time. Results revealed an average pain relief of at least 50% immediately posttreatment, indicating that acupuncture-like TENS may be useful for dysmenorrheic pain. This study also suggests that auriculotherapy via acupressure may relieve the pain of primary dysmenorrhea.


Subject(s)
Dysmenorrhea/therapy , Electric Stimulation Therapy , Transcutaneous Electric Nerve Stimulation , Acupuncture Therapy , Adult , Dysmenorrhea/physiopathology , Evaluation Studies as Topic , Female , Humans , Pain Measurement
7.
Phys Ther ; 68(3): 328-32, 1988 Mar.
Article in English | MEDLINE | ID: mdl-3258069

ABSTRACT

The purposes of this study were 1) to examine the effect of high intensity, low frequency transcutaneous electrical nerve stimulation at auricular acupuncture points on experimental pain threshold measured at the wrist and 2) to determine the changes in effect over time. Forty-four healthy adult men and women were assigned randomly to one of three treatment groups. Group 1 (n = 15) received TENS to appropriate auricular points for wrist pain, Group 2 (n = 14) received TENS to inappropriate (placebo) auricular points, and Group 3 (n = 15) received no TENS. We measured experimental pain threshold at the wrist after an electrical stimulus during one pretreatment and three posttreatment time periods. Group 1 was the only group that had a statistically significant increase (p less than .05) in pain threshold after testing. This increase remained significant for all posttreatment measurements for Group 1. These results suggest that high intensity, low frequency TENS applied to appropriate auricular acupuncture points can increase pain threshold.


Subject(s)
Ear, External/innervation , Electric Stimulation Therapy , Pain/physiopathology , Transcutaneous Electric Nerve Stimulation , Acupuncture Therapy , Adult , Analysis of Variance , Evaluation Studies as Topic , Female , Humans , Male , Middle Aged , Models, Biological , Pain Management , Random Allocation , Sensory Thresholds , Time Factors
8.
Phys Ther ; 67(4): 507-11, 1987 Apr.
Article in English | MEDLINE | ID: mdl-3494257

ABSTRACT

This study compared the effects of unilateral and bilateral auricular transcutaneous electrical nerve stimulation on cutaneous pain threshold. Auricular acupuncture points were stimulated with low frequency, high intensity TENS for 45 seconds. Sixty healthy, adult subjects were assigned randomly to one of two treatment groups or to a control group. The two treatment groups received low frequency, high intensity TENS either unilaterally or bilaterally. The control group did not receive auricular stimulation. Experimental pain threshold at the left wrist was determined with a painful stimulus before and after auricular stimulation. Both unilateral and bilateral auricular stimulation groups exhibited a significant increase (p less than .05) in experimental pain threshold, but the control group did not. The mean change values between the unilateral and bilateral stimulation groups were not statistically different. These results suggest that both unilateral and bilateral auricular TENS can increase pain threshold.


Subject(s)
Electric Stimulation Therapy/methods , Pain/physiopathology , Skin/physiopathology , Transcutaneous Electric Nerve Stimulation/methods , Adult , Ear, External , Female , Functional Laterality , Humans , Male , Pain Measurement , Random Allocation , Sensory Thresholds/physiology , Wrist
9.
Phys Ther ; 66(1): 12-6, 1986 Jan.
Article in English | MEDLINE | ID: mdl-3484552

ABSTRACT

This study was conducted to examine the effects of high intensity transcutaneous electrical nerve stimulation at auricular acupuncture points on experimental pain threshold. Forty-five healthy adult male and female subjects were assigned randomly to one of two treatment groups or to a control group. Subjects in the two treatment groups received high intensity TENS to either appropriate or inappropriate (placebo) acupuncture points on one ear. Experimental pain threshold at the ipsilateral wrist was determined with a painful electrical stimulus before and after ear stimulation. Only the group receiving stimulation of appropriate ear acupuncture points exhibited a significant increase (p less than .01) in experimental pain threshold after ear stimulation. The comparable placebo and control groups, again, did not exhibit significant pretest-posttest differences in experimental pain threshold. The results suggest that, if applied accurately, auricular TENS can increase pain threshold. Further research is needed to assess the effects of this technique on patient groups.


Subject(s)
Electric Stimulation Therapy/methods , Pain/physiopathology , Transcutaneous Electric Nerve Stimulation/methods , Acupuncture Therapy/methods , Adult , Ear, External/physiology , Evaluation Studies as Topic , Female , Humans , Male , Random Allocation , Sensory Thresholds/physiology , Wrist
10.
Phys Ther ; 61(4): 487-95, 1981 Apr.
Article in English | MEDLINE | ID: mdl-7208632

ABSTRACT

The effects of the asymmetric tonic neck reflex and high-frequency muscle vibration on isometric wrist extension strength were studied in 150 normal, right-handed adults between the ages of 18 and 40. Subjects were randomly assigned to one of five groups. From data collected from two control groups, we determined any confounding effects of fatigue, experimental learning, or weight of the vibrator in contact with the skin surface overlying the wrist extensor muscle bellies. From measurements taken from three experimental groups, we determined the individual and combined effects of the asymmetric tonic neck reflex and vibration. The reflex was elicited with active head rotation. Strength significantly increased with active head rotation toward the extending wrist; active head rotation away from the wrist significantly decreased strength. Vibration of the extensor surface of the forearm with the head in neutral significantly increased strength. The combination of active head rotation toward the extending wrist and vibration of the extensor surface resulted in a greater increase in strength than did either technique individually.


Subject(s)
Isometric Contraction , Muscle Contraction , Neck/physiology , Physical Exertion , Vibration , Wrist/physiology , Adolescent , Adult , Female , Humans , Male , Movement , Physical Therapy Modalities/instrumentation , Reflex
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