HI THANKS FOR POSTING YOUR QUERY ON HEALTH CARE MAGIC. YOU SEEM TO HAVE CHEST INFECTION WHICH COULD BEEN ACQUIRED DURING YOUR HOSPITAL STAY .ITS UNRELATED TO THE STENT PLACEMENT PER SE.BUT NONE THE LESS IT HAS TO BE TREATED EFFECTIVELY TO PREVENT FURTHER COMPLICATIONS TO YOUR HEART.PNEUMONIAS ARE KNOWN FLUCTUATING TEMPERATURE COURSE.ALL YOU NEED IS AN ANTIBIOTIC COURSE ,PREFERABLY THIRD GEN CEPHALOSPORINS EX INJ.CEFTRIAXONE FOR 7 SEVEN DAYS COUPLED WITH ANTIPYRETICS:THIS TREATMENT PROTOCOL CAN BE USED TO ELIMINATE THE LUNG INFECTION.POST THERAPY 2-DIMENSIONAL ECHOCARDIOGRAM SCREENING OF HEART AND ITS STENT PATTERN WILL BE HELPFUL.CONSULT AN EXPERT CHEST PHYSICIAN TO ASSIST YOU FURTHER. THANK YOU. TAKE CARE.