Fig. 4. Histopathological examination of myocardial tissue by H&E staining. (A–D) Sham, sham + Pue, CME, CME + Pue group, respectively. Microspheres with inflammatory cells infiltration were detected in both the CME and CME + Pue groups, but these pathological findings were not observed in the sham and sham + Pue groups. The arrows in (C and D) indicate microspheres. CME, coronary microembolization; Pue, puerarin.
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