Description of Event or Problem · 1
THE MANUFACTURER WAS NOTIFIED ON (B)(6) 2016 ABOUT A PUBLICATION WHICH EXCERPTS FROM THE ARTICLE WRITTEN BY: LOUREIRO-AMIGO J, ET AL. - PROSTHETIC VALVE WITH INFECTIVE ENDOCARDITIS CAUSED BY PROPIONIBACTERIUM AVIDUM. A CASE REPORT. ENFERM INFECC MICROBIOL CLIN. 2016. HTTP://DX.DOI.ORG/10.1016/J.EIMC.2016.08.010. THE CASE OF AN (B)(6) WOMAN WITH A HISTORY OF HYPERTENSION, DIABETES MELLITUS AND PERMANENT PACEMAKER IMPLANTATION, WHO UNDERWENT BIOPROSTHETIC AORTIC VALVE REPLACEMENT (CROWN PRT 19 MM) DUE TO AORTIC STENOSIS. EIGHT MONTHS LATER THE PATIENT PRESENTED AT THE EMERGENCY ROOM WITH FATIGUE, MALAISE AND WEIGHT LOSS OVER A PERIOD OF 8 WEEKS. ELECTROCARDIOGRAM SHOWED A COMPLETE ATRIOVENTRICULAR BLOCK WITH NORMAL PACEMAKER STIMULATION. TWO SETS OF BLOOD CULTURES WERE OBTAINED. THE PATIENT WAS ADMITTED WITH A DIAGNOSIS OF VIRAL RESPIRATORY INFECTION AND CONGESTIVE HEART FAILURE. ANTIBIOTIC THERAPY WAS NOT INITIATED. TWENTY-FOUR HOURS AFTER ADMISSION SHE PRESENTED AVENTRICULAR TACHYCARDIA WITHOUT PULSE REQUIRING ELECTRIC CARDIOVERSION. A TRANSTHORACIC ECHOCARDIOGRAM SHOWED A SEVERE PROSTHETIC AORTIC VALVE STENOSIS WITH CALCIFIED UNSTRUCTURED LEAFLETS AND THICKENED CALCIFIED MITRAL LEAFLETS, WITHOUT IMAGES OF VEGETATIONS. ON DAY 3, CORYNEFORM GRAM-POSITIVE BACILLI GREW IN ANAEROBIC BOTTLES OF BLOOD CULTURES COLLECTED AT ADMISSION (AFTER 65 H OF CULTURE).THIS RESULT WAS INITIALLY REGARDED AS A CONTAMINATION AND WAS NOT REPORTED TO CLINICIANS TILL THE NEXT DAY WHEN THE MICROBIOLOGIST WAS INFORMED ABOUT THE INFECTIVE ENDOCARDITIS (IE) SUSPICION. ON DAY 8 ALL THREE SETS OF BLOOD CULTURES OBTAINED BEFORE ANTIBIOTIC THERAPY WAS INITIATED WERE GROWING CORYNEFORM GRAM-POSITIVE BACILLI IN ANAEROBIC BOTTLES. SO PROPIONIBACTERIUM SPP. WERE CONSIDERED THE RESPONSIBLE FOR THE IE AND AN ANTIBIOGRAM-GUIDED DE-ESCALATION WAS MADE TO PENICILLIN G (24 MILLION IU/24 H). THE PATIENT UNDERWENT SURGERY ON DAY 11. UNFORTUNATELY THE POSTOPERATIVE COURSE WAS COMPLICATED BY REFRACTORY SHOCK AND MULTI-ORGANIC FAILURE, AND THE PATIENT DIED 48 HRS AFTER SURGERY.