The value of echocardiography for early diagnosis of dose cardiac muscle contusion in piss
- VernacularTitle:组织多普勒同步显像技术在猪闭合性心肌挫伤早期诊断中的应用探讨
- Author:
Binbin YUAN
;
Chengping HU
;
Shasha WANG
;
Weida ZHANG
;
Xiaowu WANG
- Publication Type:Journal Article
- Keywords:
Heart injuries/US;
Contusions/US;
Ultmsonography,doppler
- From:
Journal of Chinese Physician
2008;10(8):1057-1060
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the value of two-dimensional Echocardiography(2DE)and doppler tissue synchronization imaging (TSI) during early diagnosis of close myocardial contusion.Methods 9 small Guizhou-Panama pigs were used.The close myocardial contusion animal model was successfully established by using the serf made small impactor.Echocardiography wag applied before and after injury for 0.5,2,4,8 and 12h respectively,these data were analyzed together with the TYC pathological results.Results After the strike for 0.5h,the location and area of the damage call be directly and rapidly shown by 2DE and TSI,which showed that after myocardial contusion (MC),main damaged areas are anterior and lateral myocardial walls.After myocardial contusion MC,three echocardiography techniques were used to observe the scale of the abnormal segment,the movement of the myocardial wall,Time tO Peak of Systolic Velocity and wall motion segmental inter(WMSI),Time to Peak of Systolic Velocity index(TPI),which all were increased than that pre-injury.Conclusion 2DE and TSI can be used for accurately early diagnosis of the location of myocardial contusion.TSI is more specific for the diagnosis of myocardial contusion.
