My 2 year old daughter [born with left lung aplasia and pda of 2mm] underwent pda coil closure 4 months back was prescribed to have ecosprin 37.5 mg one per day, 3 days back see got cold ,wheezing with crackles noise we went to nearby hospital echo was done it was normal no problem with pda so they gave montair 4mg tablet ,kidspred and asthalin in bronchodilator but still crackling sound has not reduced but doctors saying it will come down in one week should we wait or go to hospital where we did pda coilclosure as they are expert in dealing this sound.