Franjo Sirić

University Hospital Centre Zagreb, Zagrabia, Grad Zagreb, Croatia

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Publications (10)46.53 Total impact

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    ABSTRACT: A beneficial effect of acetylsalicylic acid (ASA) on vein graft patency has been described, but some patients experience adverse cardiac events despite appropriate ASA treatment. Study aim was to define ASA resistance using Multiple electrode aggregometry (MEA) preoperatively in group of patients undergoing coronary artery bypass grafting (CABG). Prospective observational trial at University Hospital Center Zagreb enrolled 131 patients scheduled for CABG, and divided them into 4 groups with respect to preoperative antiplatelet therapy (APT). Group 1 received 100 mg ASA per day, Group 2 100 mg ASA + 75 mg clopidogrel per day, Group 3 75 mg clopidogrel per day, and Group 4 did not receive any APT. MEA with ASPI test (sensitive to ASA) and ADP test (sensitive to clopidogrel) was performed prior to surgery. In Group 1, patients were characterized as ASA resistant if their ASPI test value exceeded the 75th percentile distribution. Study enrolled 131 patients. Significant differences both in the ASPI (p < 0.001) and the ADP test (p = 0.038) were observed between patients in different APT groups. In Group (1) ASPI test value of 30 AUC presented 75th percentile of distribution, thus indicating ASA resistance. Group 2 patients had slightly lower ADP test values, but no significant difference occurred (mean 60.05 vs. 63.32 AUC, p = 0.469). In Group 1 and 2, significant correlations between the ADP test and both, platelet count (r = 0.347, p < 0.001) and fibrinogen level (r = 0.364, p < 0.001) were observed. Association between low response to ASA and post-CABG major adverse ischemic events risk increase has been described thus indicating need for ASA resistant patients detection. In patients with preoperative ASPI test exceeding 30 AUC postoperative, ASA dose adjustment or clopidogrel addition according to MEA results should be considered.
    Collegium antropologicum 09/2013; 37(3):833-9. · 0.61 Impact Factor
  • European journal of cardio-thoracic surgery: official journal of the European Association for Cardio-thoracic Surgery 04/2012; 41(4):973; author reply 974. · 2.40 Impact Factor
  • Franjo Siric, Daniel Lovric, Bojan Biocina
    European journal of cardio-thoracic surgery: official journal of the European Association for Cardio-thoracic Surgery 02/2012; 42(1):191. · 2.40 Impact Factor
  • Siric F, Lovric D, Biocina B
    European Journal of Cardio-Thoracic Surgery 01/2012; · 2.67 Impact Factor
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    ABSTRACT: Coronary artery aneurysms are a rare form of coronary artery disease. Due to the rarity of these aneurysms, particularly of the giant form, it is difficult to establish a standardized treatment. We report the case of a 65-year-old man who presented with symptoms of an acute coronary syndrome. A posterobasal myocardial infarction was diagnosed with a giant right coronary artery aneurysm as the underlying pathology. Two aneurysms of the left anterior descending artery were also revealed. The management strategy included ligation of the giant aneurysm coupled with distal coronary artery bypass grafting of the right coronary artery. This was complemented with a delayed percutaneous coronary intervention of the left anterior descending artery aneurysms.
    Journal of Cardiovascular Medicine 06/2011; 12(9):657-9. · 2.66 Impact Factor
  • The Journal of Bone and Joint Surgery 11/2010; 92(15):2614-5; author reply 2615-6. · 3.23 Impact Factor
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    ABSTRACT: Acute aortic dissection bears all the stigmata of a true clinical emergency. The natural history of this acute aortic syndrome warrants prompt surgical intervention, with only a few absolute contraindications to this line of treatment. We present a 74-year-old man with documented metastatic prostate cancer who underwent emergent surgery for acute Stanford A aortic dissection. Having acknowledged the relatively favorable evolution of our patient's malignant disease, we were not deterred by its presence from pursuing surgical treatment of his aortic dissection.
    Collegium antropologicum 09/2010; 34(3):1109-11. · 0.61 Impact Factor
  • JAMA The Journal of the American Medical Association 11/2009; 302(19):2090-1; author reply 2091. · 29.98 Impact Factor
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    ABSTRACT: The best option for the treatment of a failing heart is heart transplantation. The transplantation program at the University Hospital Center Rebro Zagreb started in 1988. To the best of our knowledge this is the first retrospective study on cardiac transplantation in Croatia looking into survival following heart transplantation. Between 1988 and 2006, we performed 81 heart transplantations at the University Hospital Center Rebro Zagreb. Our study focused on the last ten years after establishment of the Department of cardiac surgery as a separate institution. There were thirteen different hospitals throughout Croatia, which contributed to the donor network. Average age of the heart recipient was 48+/-11.8 years (range 14-72), and average age of the heart donor was 34+/-10.7 years (range 14-56). There were more women among the heart donors (34%) then among the heart recipients (18%). During the first ten years, from 1988-1998, the average number of cardiac transplantations was 3 per year In the period from 1998-2006, average number of cardiac transplantations increased to 6 per year. The average thirty-day mortality for the last nine years was 27%. It declined from 30% and 40% in 1998 and 1999, respectively down to 0% in the last two years. Average age of the patients who died was 50+/-6.5years (range 44-62) and did not significantly differ from those who survived. The donor network has grown up to fourteen different hospitals throughout Croatia. The limiting factor in cardiac transplant surgery is the number of available donors. Therefore in attempt to form a good transplant program it is crucial to form an efficient donor network. The number of performed cardiac transplantations is expected to rise until it reaches the number of available donors. With advances in operative technique and postoperative management--immunosuppressive therapy we have observed a remarkable drop in the early operative mortality in the studied period.
    Collegium antropologicum 01/2007; 30(4):909-13. · 0.61 Impact Factor
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    ABSTRACT: Primary cardiac lymphomas (PCL) are rare cardiac neoplasms that carry an ominous prognosis. They occur more frequently in immunocompromised patients. We report on an immunocompetent 67-year-old who presented with dyspnea and dysphagia. Echocardiographic evidence of impending cardiac tamponade and obstruction of the inferior vena cava (IVC) with the tumor was seen. The deteriorating hemodynamics of our patient prompted an urgent surgical intervention. Pathohistological diagnosis showed diffuse large B-cell lymphoma of centroblastic subtype. Chemotherapy remains the standard treatment of PCL, with surgery reserved for relieving life-threatening complications of the neoplasm.
    Journal of Cardiac Surgery 01/2006; 21(4):414-6. · 1.35 Impact Factor