Two patients that underwent angioplasty presented grade 1 narrowing and were both classified as CCS-III; they were later reclassified as classes I and II after the procedure.
En dos pacientes, que presentaban estenosis grado 1 y angina clase III, se realizó una angioplastia y evolucionaron hacia clases I y II luego del procedimiento.
Dois pacientes realizaram angioplastia, apresentando grau 1 de estreitamento, classificando-se ambos em CCS-III e evoluindo para as classes I e II após o procedimento.