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  • Author or Editor: Huisheng Xie x
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in Journal of the American Veterinary Medical Association

Abstract

Objective—To evaluate use of electroacupuncture for treatment of horses with signs of chronic thoracolumbar pain.

Design—Prospective study.

Animals—15 horses with signs of chronic thoracolumbar pain.

Procedure—Horses were randomly allocated to 1 of 3 treatment groups. Horses in group 1 received electroacupuncture stimulation (once every 3 days for 5 treatments), those in group 2 received phenylbutazone (2.2 mg/kg [1 mg/lb], PO, q 12 h, for 5 days), and those in group 3 received saline (0.9% NaCl) solution (20 mL, PO, q 12 h, for 5 days). Thoracolumbar pain scores (TPSs) were evaluated before (baseline) and after each treatment.

Results—Mean ± SE TPSs in horses receiving phenylbutazone or saline solution did not change significantly during the study. After the third treatment, mean ± SE TPS (2.1 ± 0.6) in horses receiving electroacupuncture stimulation was significantly lower than baseline (6.0 ± 0.6) TPS. Mean ± SE TPSs in horses receiving electroacupuncture stimulation were significantly lower than baseline TPSs and TPSs in horses receiving phenylbutazone or saline solution after the third treatment to 14 days after the last treatment.

Conclusions and Clinical Relevance—TPSs are useful for evaluating the efficacy of various analgesic methods used for treatment of thoracolumbar pain in horses. Electroacupuncture was effective for treatment of chronic thoracolumbar pain in horses. Results provided evidence that 3 sessions of electroacupuncture treatment can successfully alleviate signs of thoracolumbar pain in horses. The analgesic effect induced by electroacupuncture can last at least 2 weeks. Phenylbutazone administered PO did not effectively alleviate signs of thoracolumbar pain in horses in this study. (J Am Vet Med Assoc 2005;227:281–286)

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in Journal of the American Veterinary Medical Association

Abstract

Objective—To evaluate effects of maropitant, acepromazine, and electroacupuncture on morphine-related signs of nausea and vomiting in dogs and assess sedative effects of the treatments.

Design—Randomized controlled clinical trial.

Animals—222 dogs.

Procedures—Dogs received 1 of 6 treatments: injection of saline (0.9% NaCl) solution, maropitant citrate, or acepromazine maleate or electroacupuncture treatment at 1 acupoint, 5 acupoints, or a sham acupoint. Morphine was administered after 20 minutes of electroacupuncture treatment or 20 minutes after injectable treatment. Vomiting and retching events and signs of nausea and sedation were recorded.

Results—Incidence of vomiting and retching was significantly lower in the maropitant (14/37 [37.8%]) group than in the saline solution (28/37 [75.7%]) and sham-acupoint electroacupuncture (32/37 [86.5%]) groups. The number of vomiting and retching events in the maropitant (21), acepromazine (38), 1-acupoint (35), and 5-acupoint (34) groups was significantly lower than in the saline solution (88) and sham-acupoint electroacupuncture (109) groups. Incidence of signs of nausea was significantly lower in the acepromazine group (3/37 [8.1%]) than in the sham-acupoint group (15/37 [40.5%]). Mean nausea scores for the saline solution, maropitant, and sham-acupoint electroacupuncture groups increased significantly after morphine administration, whereas those for the acepromazine, 1-acupoint electroacupuncture, and 5-acupoint electroacupuncture groups did not. Mean sedation scores after morphine administration were significantly higher in dogs that received acepromazine than in dogs that received saline solution, maropitant, and sham-acupoint electroacupuncture treatment.

Conclusions and Clinical Relevance—Maropitant treatment was associated with a lower incidence of vomiting and retching, compared with control treatments, and acepromazine and electroacupuncture appeared to prevent an increase in severity of nausea following morphine administration in dogs.

Restricted access
in Journal of the American Veterinary Medical Association

Abstract

Objective—To evaluate the reliability of a method for inducing colic via small intestinal distention in horses and to examine the analgesic potential of bilateral electroacupuncture (EAP) at the Guan-yuan-shu (similar to BL-21) acupoint.

Animals—5 healthy adult horses, each with a gastric cannula.

Procedure—A polyester balloon connected to an electronic barostat was introduced into the duodenum via the gastric cannula. At 2 specified intervals (before and after commencement of EAP), the balloon was inflated to a barostat-controlled pressure that induced signs of moderate colic. Each inflation was maintained for 10 minutes. Heart and respiratory rates were continuously recorded. Frequency of various clinical signs of colic was recorded by 2 trained observers during various combinations of balloon inflation and EAP. Each horse received each of 5 treatment protocols (EAP at 20 Hz, sham EAP at 20 Hz, EAP at 80 : 120 Hz dense:disperse, sham EAP at 80 : 120 Hz dense:disperse, no treatment). Sham EAP was at a point located 2 cm lateral to the Guan-yuan-shu acupoint.

Results—Duodenal distention consistently induced a significant increase in frequency of signs of colic. None of the EAP protocols caused a significant reduction in frequency of these clinical signs during distention.

Conclusions and Clinical Relevance—The method described is reproducible and highly controllable method for inducing colic that involved duodenal distention that should be useful in evaluating the efficacy of various analgesic strategies. Bilateral EAP at the Guan-yuan-shu acupoint was ineffective in reducing signs of discomfort induced by this method. (Am J Vet Res 2002;63:1006–1011)

Full access
in American Journal of Veterinary Research