| Objective:To observe the effects of the external ultrasound and extravascular low-power laser irradiation therapy in treating coronary heart disease;To reveal its mechanism.Methods:72 patients with coronary heart disease were chosen,all patients accord with the diagnosis standard of 1979 WHOs about coronary heart disease in average age 58±10s in which 40 male example and 32 female examples.All Patients were randomly classified into two groups,of which 36 were control group receiving conventional medicine treatment such as nitroglycerine,aspirin.36 were ultrasound-laser treatment group.On the foundation of medicine treatment ultrasound-laser treatment group received treatment of full automatic ultrasonic scanning heart-brain treatment instrument of frequency 800KHz,sound intensity 0.75～1.25W/cm~2. 4 ultrasonic probes that have ultrasonic couplant were set up respectively to the breastbone left rib of 4th between,the breastbone right·rib of 4th between,heart sharp department,the intermediate place of link line in heart tip and chest left rib of 3th.At the same time,patients received low-power laser irradiation therapy of power 4.5mW,wavelength 632.8nm. Patients received the treatment of external ultrasound and extravascular low-power laser irradiation therapy for 20～30 minutes every day.It is a course of treatment ten times.They were treated for 30 days.Two groups of patients were inquired and recorded the frequency that angina pectoris breaks out every day and need for nitroglycerine tablets.Patients were carried out 24 hours of development electrocardiogram as well as the blood enzyme of cardiac muscle to study,blood fat,blood flow to change study and quality of life assessment in treatment around.All data collected were analyzed with SPSS13.0 software.Results:①After treatment the ultrasound-laser treatment group. Shows 9 obvious-effect examples,20 effective examples and 7 invalid examples,effective 80.6%.Control group Shows 5 obvious-effect examples, 16 effective examples and 15 invalid examples,effective 58.3%.Effects of the ultrasound-laser treatment group and control group were significantly different(P＜0.05).Effects of the external ultrasound and extravascular low-power laser irradiation therapy in treating coronary heart disease is notable.②After treating,completely blood viscosity,the viscosity of blood plasma and red blood cell press product of the ultrasoundlaser treatment group,reduce apparently before treatment(P＜0.01); significantly different was in the ultrasound-laser treatment group and control group(P＜0.05).③After treating,blood triglyceride,cholesterol and low density lipoprotein of the ultrasound-laser treatment group reduce apparently before treatment(P＜0.05);high density lipoprotein of the ultrasound-laser treatment group after treating is notable to compare to go up before treatment(P＜0.05).Significantly different was in the ultrasound-laser treatment group and control group(P＜0.05).④After treating,the body function,mental health,role psychology,vitality/ energy,bodily pain and general health of the ultrasound-laser treatment group are improved obviously before treatment(P＜0.05);significantly different was in the ultrasound-laser treatment group and control group(P＜0.05). Conclution:1.Treatmenting coronary heart disease,the external ultrasound forms a series of treatment role such as strengthening contract force of cardiac muscle,promoting the establishment of side branch cycle,restoring damage cardiacmuscle,reducing scar range,reducing blood pressure to reduce heart rear load,reducing blood fat to soften blood vessel,dissolving bolt to unobstructed blood vessel again.And confirm that proper sound intensity does not have any infringement for cardiac muscle,it is a kind of simple safety and effect good treatment method.2.Extravascular low-power laser irradiation therapy in treating coronary heart disease reduces a series of treatment role such as reducing assemble function of blood platelet,rising active of fibrinolysin,rising the level of endogenous heparin,reducing blood viscosity and blood fat,then improves the clinical symptom of coronary heart disease3.In this research,patients with coronary heart disease received the external ultrasound and extravascular low-power laser irradiation therapy on the foundation of conventional medicine treatment.Two are organic to combine which have synergism,Its effect Is better than conventional medicine treatment obviously.
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