title: [Tissue Doppler imaging in the evaluation of cardiac function in fetuses with intrauterine growth retardation].
abstract: OBJECTIVE
  To evaluate the cardiac function of fetuses with intrauterine growth retardation (IUGR) by using tissue Doppler imaging (TDI).
  
  
  METHODS
  Peak velocity in early (E) and late (A) diastole were measured by pulsed-wave Doppler, and the peak annular velocities in systole (S'), early (E') and late (A') diastole were measured by TDI. Isovolumetric contraction time (ICT), ejection time (ET), isovolumetric relaxation time (IRT) were recorded. The ratios E/A, E'/A', E/E', E/(E'× S') and myocardial performance index (MPI) were calculated.
  
  
  RESULTS
  Compared with the control group, E', A', S' and E'/A' were obviously lower (P<0.05) while E/E', E/(E'× S') and MPI were obviously higher (P<0.05) in the IUGR group; although E, A and E/A were slight lower in the IUGR group, the change was not significant (P>0.05).
  
  
  CONCLUSIONS
  Both diastolic and systolic heart function were jeopardized in IUGR fetuses.
authors.affiliation: Department of Ultrasonography, Second Xiangya Hospital, Central South University, Changsha 410011, China.
authors.forename: Kui
authors.initials: K
authors.lastname: Tang
authors.forename: Ming
authors.initials: M
authors.lastname: Zhang
authors.forename: Qichang
authors.initials: Q
authors.lastname: Zhou
authors.forename: Shi
authors.initials: S
authors.lastname: Zeng
authors.forename: Yi
authors.initials: Y
authors.lastname: Tan
authors.forename: Yanjun
authors.initials: Y
authors.lastname: Xu
authors.forename: Xing
authors.initials: X
authors.lastname: Xu
authors.forename: Dan
authors.initials: D
authors.lastname: Zhou
mesh_terms: D003971:Diastole; D015150:Echocardiography, Doppler; D005317:Fetal Growth Retardation; D005333:Fetus; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D013599:Systole; D016216:Ultrasonography, Prenatal