title: [Comparison of prognosis in children with acute viral myocarditis induced ventricular premature beats originating from different positions and the clinical value of mgocardial perfusion ECT].
abstract: OBJECTIVE
  To study the difference in prognosis for children with acute viral myocarditis induced ventricular premature beats (VPB) originating from different positions, and to study the role of 99Mtc-MIBI myocardial perfusion ECT in the prognostic evaluation of VPB.
  
  
  METHODS
  The clinical data of 83 children with viral myocarditis induced VPB were retrospectively studied. They were divided into four groups according to the original site of VPB, as shown by the ECG: right ventricular (RV) outflow tract, RV anterior wall and apex, left ventricular (LV) outflow tract, LV anterior wall and apex. All patients were treated with anti-viral drugs and myocardial nutritional medicine. Short-term and long term outcomes in the four groups were compared. The relationship between the results of 99Mtc-MIBI myocardial perfusion ECT and prognosis in 40 patients was observed.
  
  
  RESULTS
  There were no significant differences in short-term and long-term effective rates among the four groups (P>0.05). There were no differences in the ECT positive rates between the patients with VPB originating from RV and those with VPB originating from LV (P>0.05). The treatment effective rates of ECT-positive patients were higher than the treatment effective rates of ECT-negative ones (P<0.05).
  
  
  CONCLUSIONS
  The short-term and long-term prognosis of children with VPB originating from different positions are not significantly different. In children with viral myocarditis induced VPB, positive ECT results suggest a better prognosis.
authors.affiliation: Department of Pediatrics, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
authors.forename: Xiao-Guang
authors.initials: XG
authors.lastname: Chen
authors.forename: Song
authors.initials: S
authors.lastname: Feng
authors.forename: Wei
authors.initials: W
authors.lastname: Ge
authors.forename: Jin-Dou
authors.initials: JD
authors.lastname: An
mesh_terms: D000208:Acute Disease; D006801:Humans; D055414:Myocardial Perfusion Imaging / Q000379:methods*; D009205:Myocarditis / Q000150:complications*; D011379:Prognosis; D012189:Retrospective Studies; D017256:Technetium Tc 99m Sestamibi; D018879:Ventricular Premature Complexes / Q000000981:diagnostic imaging / Q000209:etiology*; D014777:Virus Diseases / Q000150:complications*
chemical_list: D017256:Technetium Tc 99m Sestamibi