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Mirza Halimić

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Introduction: Heart failure (HF) still remains as one of the most common causes of hospital admission with a high mortality rate. Aim: To investigate the possible prognostic role of brain natriuretic peptide (BNP), high-sensitivity (hs) cardiac troponin (cTn) I, cystatin C, and cancer antigen 125 (CA125) in the prediction of decompensation after an index hospitalization and to investigate their possible additive prognostic value. Patients and Methods: Two hundred twenty-two patients hospitalized with acute HF were monitored and followed for 18 months. Results: BNP at discharge has the highest sensitivity and specificity in the prediction of decompensation. For a cutoff value of 423.3 pg/ml, sensitivity was 64.3% and specificity was 64.5%, with a positive predictive value of 71.6% and an area under the curve (AUC) of 0.69 (P < 0.001). The hazard risk (HR) for decompensation when the discharge BNP was above the cutoff value was 2.18. Cystatin C, at a cutoff value of 1.46 mg/L, had a sensitivity of 57% and specificity of 57.8%, with a positive predictive value of 65.8% and an AUC of 0.59 (P = 0.028). CA125, in the prediction of decompensation in patients with acute heart failure (AHF) and at a cutoff value of 80.5 IU/L, had a sensitivity of 60.5% and specificity of 53.3%, with a positive predictive value of 64.5% and an AUC of 0.59 (P = 0.022). The time till onset of decompensation was significantly shorter in patients with four versus three elevated biomarkers (P = 0.047), with five versus three elevated biomarkers (P = 0.026), and in patients with four versus two elevated biomarkers (P = 0.026). The HR for decompensation in patients with five positive biomarkers was 3.7 (P = 0.001) and in patients with four positive biomarkers was 2.5 (P = 0.014), compared to patients who had fewer positive biomarkers. Conclusion: BNP, cystatin C, and CA125 are predictors of decompensation, and their combined usage leads to better prediction of new decompensation.

M. Kacila, Mirza Halimić, Merjema Karavdić, Almira Kadić, Saša Lukić, S. Pandur, Nusreta Hadžimuratović

Anomalous origin of the left coronary artery from the pulmonary artery (ALCAPA) is rare, but life-threatening condition. The treatment of choice in patients with ALCAPA is the establishment of a dual coronary artery system with surgical reimplantation of the left coronary artery in the left coronary sinus. Percutaneous coronary intervention is infrequent in the pediatric population but can be a life-saving by promptly restoring flow to an obstructed coronary artery. It is a highly demanding and high-risk procedure in infants due to the technical difficulties and the small coronary artery diameter in infants.

Introduction: Modern pediatric cardiology mainly deals with congenital heart defects (CHD), as the most common congenital anomalies. In most cases CHD requires surgical or interventional treatment. Goal: The goal of the research was to evaluate CHD treatment at Pediatric Clinic, University Clinical Center (UCC) Sarajevo, Bosnia and Herzegovina (B&H). UCC Sarajevo is the only institution in B&H where cardiac treatment of CHD in pediatric population is performed. Pediatric cardiosurgery has started to develop in Bosnia and Herzegovina in April 1997. Patients and methods: Study included 745 patients (period from April 1997 to January 2017). Results: Cardiac treatment was performed on 745 patients with CHD, 541 (72.6%) of them were acyanotic patients and 204 (27.4%) were cyanotic patients. Reoperation was performed in 49 (6.5%) of patients. Out of total number of patients, 59 (7.9%) died. In 660 children (88.5%) a complete correction and in 85 (11.5%) a palliative operation/correction was performed. Defects with left to right shunt were present in 397 (53.2%) patients, complex heart defects with Tetralogy of Fallot in 173 (23.2%), obstructive heart defects in 106 (14.2%), obstructive heart defects with shunt in 53 (7.1%), and others in 16 (2.1%) of patients. During surgery, extracorporeal circulation was regulated in 554 (74.3%) patients. Peri and early postoperative complications occurred in 180 (24.1%) of patients. During this period 24 pacemakers were implanted and 24 radiofrequency ablations were performed. Conclusion: Results of CHD cardiac treatment in childhood, which took place simultaneously, followed by the contractual joint programs and individual work of the Bosnian and Herzegovinian team has reached the highest level in the last two years, not only by the number, type and complexity of corrected CHD, but also by the age and body weight of the patients who underwent surgery, and development of invasive procedures, arrhytmology, pacemaker placement, intensive peri and postoperative treatment. That led pediatric cardiac surgery of UCC Sarajevo, to a position of leading center in the region.

Objective: To show the place and role of continuous electrocardiographic twenty-four-hour ECG monitoring in daily clinical practice of pediatric cardiologists. Methods: According to protocol, 2753 patients underwent dynamic continuous ECG Holter monitoring (data collected from the “Register of ECG Holter monitoring” of Pediatric Clinic, UCC Sarajevo in period April 2003- April 2015). Results: There were 50,5% boys and 49,5% girls, aged from birth to 19 years (1,63% - neonates and infants, 2,6% - toddlers, 9,95% - preschool children, 35,5% - gradeschoolers and 50,3% children in puberty and adolescence). In 68,1% of patients Holter was performed for the first time. Indications for conducting Holter were: arrhythmias in 42,2% cases, precordial pain in 23,5%, suspicion of pre-excitation and/or pre-excitation in 10%, crisis of consciousness in 8%, uncorrected congenital/acquired heart defects in 4,2%, operated heart defects in 3,7%, hypertension in 3,1% cases, control of the pacemaker in 1,63% and other causes in 3,5% cases. Discharge diagnosis after ECG Holter monitoring were: insignificant arrhythmias in 47,1% cases, wandering pacemaker in 21,3%, pre-excitation in 16,2%, benign ventricular premature beats in 6,3%, atrioventricular block in 3%, sinus pause in 2.2% cases and other arrhythmias in 3,5%. In mentioned period 57 cases of Wolf Parkinson White syndrome were registered, in 4,5% of patients antiarrhythmic therapy was administered. Radiofrequent ablation was performed in 23 cases. Conclusion: The development of pediatric cardiac surgery has initiated development of pediatric arrhythmology as imperative segment of pediatric cardiology. Continuous ECG Holter monitoring has become irreplaceable method in everyday diagnostics and therapy of arrhythmias in children.

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