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Elmir Jahić

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On the occasion of the 11th Days of Academy of Medical Sciences of Bosnia and Herzegovina and 3rd Seminar about Writing, Editing and Publishing (SWEP) at Holiday hotel in Sarajevo was organized webinar about COVID-19 Pandemic experiences in Bosnia and Herzegovina. During the webinar members of the Academy from Bosnia and Herzegovina, Croatia, Serbia, North Macedonia, Poland, and USA participated with very interesting presentations (1-5). We also presented lecture about our institution and our professional experiences during pandemic time. Some of important facts which we presented are mentioned in this letter to editor. Medical Institute Bayer (MIB) is a continuation of the BH Heart Center Tuzla, which was founded in 2008. The goal of establishing the Center was to build a modern, functional hospital that will meet all prescribed norms and standards, and eliminate all limiting factors in the development of cardiac surgery, interventional cardiology and vascular surgery (Figure 1).

F. Ljuca, Bahrudin Hadžiefendić, Elmir Jahić, N. Tihić, Saša Lukić

Objectives: To assess the prognostic value of pentraxin 3 (PTX3) in patients with ST-elevation myocardial infarction (STEMI) after bare-metal stent (BMS) implantation. Methods: In this prospective study, PTX3, interleukin (IL-6), IL-10, high-sensitivity c-reactive protein (hsCRP), and cardiac troponin I (cTnI) plasma values were determined before and 24hours after BMS implantation in 97 consecutively enrolled patients with STEMI who were admitted to University Clinical Center Tuzla, Tuzla, Bosnia and Herzegovina between February 2016 and February 2017. Patients were followed for 24 months to assess major adverse cardiovascular events (MACEs). Results: At 24 hours after percutaneous coronary intervention (PCI), plasma values of PTX3, IL-6, hsCRP, and cTnI were significantly increased; and IL-10 levels were significantly decreased compared with the values determined before PCI. Patients with MACEs had significantly higher plasma PTX3 levels at 24 hours after BMS-PCI than in patients without MACEs. Patients with PTX3 plasma values ≥5042 ng/ml had a significantly higher risk of MACEs than patients with PTX3 levels <5.042 ng/mL. Pentraxin 3 levels exhibited strong and significant correlations with IL-6 and IL-10 levels. Pentraxin 3, cTnI, and IL-6, but not hsCRP levels have showed independent association with MACEs, according to the multivariate Cox regression analysis. Conclusion: Pentraxin 3 might be better serum prognostic marker than IL-6, IL-10 or high sensitivity CRP for MACEs after BMS-PCI. It might help to make better risk stratification of those patients who are undergoing BMS-PCI.

Aim To determine the prevalence of new-onset atrial fibrillation (NOAF) following percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) for left main coronary artery disease (LMCAD) and its effect on 6-month cardiovascular outcomes. Methods This prospective study included 40 patients diagnosed with LMCAD, in the period from 2017 to 2018. The patients with LMCAD and low or intermediate SYNTAX score were randomized to PCI with zotarolimus-eluting stents versus CABG. Outcomes were analyzed according to the development of NOAF during the initial hospitalization following revascularization. Results Among 40 patients without atrial fibrillation on presentation, NOAF developed 3.1±1.3 days during hospitalization in three CABG treated patients, and one PCI treated patient. One patient that was CABG treated developed NOAF after two months. Patients with versus patients without NOAF had a significantly longer duration of hospitalization, probably because they were discharged on anticoagulant therapy. Myocardial infarction was presented in one CABG treated patient after 3 months, and also in one PCI treated patient after 4 months. One patient died 2 months after the operation, and one developed stroke 5 months after the CABG operation. Conclusion The NOAF was common after CABG, but extremely rare after PCI, and it occurred almost exclusively following CABG. There was a clear statistical tendency for all-cause death, cardiovascular death and stroke at 6-month follow-up period.

Introduction: Percutaneous transluminal angioplasty (PTA) is one of the treatment options for stenotic and obstructive lesions of the subclavian artery. Aim: To evaluate initial and long-term results of percutaneous transluminal angioplasty of subclavian artery lesions. Methods: During period February 2016 to December 2017, 26 patients (12 men and 14 women) with significant subclavian artery stenosis and occlusion were admitted and underwent PTA. All patients were symptomatic. All PTA procedures were performed with the patient under local anesthesia, through the femoral artery (n=22), brachial artery (n=4), or combined route (n=6). In 7 patients, we performed direct stenting, while in the other 15 patients we performed predilatation before stent implantation. The follow-up protocol consisted of regular clinical examinations in 1, 3, 6 and 12 months post-procedural, and annually thereafter with duplex ultrasound monitoring. Results: Initial technical success was achieved in 22 of 26 procedures (84.61%), 100% in stenotic lesions and 55.5 % in total occlusions. Fourth of nine occlusions could not be recanalized by PTA. These patients were managed surgically. The 30-day mortality rate was 0% for the entire group. No patients required reintervention for recurrence of symptoms and the stents remain patent at period of 12 months post-procedural. Conclusion: The minimal invasive technique, the markedly lower complication rate, the high long-term patency, patient’s comfort and the decreased hospital stay have made endovascular repair the primary choice of treatment in the majority of cases, especially in patients with stenotic lesions and high-risk patients. We consider PTA of subclavian artery stenotic/obstructive lesions should be the first therapeutic option.

Introduction: Cervical cancer can be successfully prevented by effective treatment. Aim: Analyse of success of cryotherapy in LSIL and ASCUS. Materials et methods: In retrospective study between January 2016 to March 2017, 3244 PAP test were analysed. 257 patients who had been diagnosed with LSIL and ASCUS from PAP smear were divided in two groups: women who had HPV positive, colposcopic positive and cytologic finding of LSIL or ASCUS treathed with cryotherapy and women with LSIL, ASCUS and negative colposcopy. χ2 test was used for statistical analysis of data. Results: Analysis of 3244 PAP smears showed negative for intraepithelial lesion or malignancy (NILM) in 90,10% (N-2923), and abnormal in 9,8% (N-321) of women. ASCUS was found in 4,8% (N-156) and ASC-H in 0,2% (N-6), LSIL in 3,1% (N-101), HSIL in 0,64% (N-21). The average age of patients with ASCUS lesion was 41 ± 12 years. After cryotherapy, HSIL had progression in 1,5% (N-1), persistence in 6,3% (N-4) and regression in 91,7% (N-58). Progression occured in 10,5% (N-4) of HSIL, persistence in 52,6% (N-20) and regression in 36,7% (N-14) in 38 women with LSIL lesion after repeated PAP test. Progression occured in 8% (N-10) of LSIL and 4% HSIL (N-5), persistence in 58% (N-72) and regression in 29,8% (N-37) in 124 women with ASCUS lesion after treatment and repeated PAP test. Difference in progression lesions in HSIL between women with cryotherapy (1,5%) and follow-up (10,5%) after LSIL is not significant, but progression to CIN II occured after cryotherapy. CIN III or cervical cancer was not found. Conclusion: Cryotherapy prevents progression of LSIL in HSIL and in cervical cancer. Because of that cryotherapy is successful method in prevention of cervical cancer.

Background: Primary percutaneous coronary intervention (PCI) is an emergent percutaneous catheter intervention in the setting of ST-segment elevations myocardial infarction (STEMI), without previous fibrinolytic treatment. Aim: To evaluate the feasibility and outcomes of primary percutaneous coronary interventions for STEMI in regional tertiary care cardiac centre in Bosnia and Herzegovina. Methods: Between January 2014 and December 2016, consecutive 549 STEMI patients who underwent primary PCI were prospectively enrolled in a primary PCI registry. The most of coronary angiography procedures were performed using the radial artery route. Patient demographics, risk factors, procedural characteristics, time variables and in-hospital events were assessed. Results: On admission, 297 (64.7%) of the patients were current smokers, 234 (42.6%) were hypertensive, 172 (31.3%) were diabetics, and 68 (12.3%) had cardiogenic shock. The mean duration of time from symptom onset to hospital arrival 193±118.2 minutes, and the mean door-to-balloon time was 37±11.3 minutes and median total ischemic time was 265(60-897) minutes. Infarct-related artery (IRA) was the left anterior descending artery in 47.1%, multivessel disease was present in 49.7%. Primary PCI involved balloon dilatation (2.7%) and stent implantation (97.3%). The incidence of postprocedural angiographic no-reflow was 6.7%. All-cause mortality occurred in 17 patients (3.1%). Conclusion: This study has shown feasibility and efficiency in performing of primary PCI with good outcomes in the first regional interventional center in Bosnia and Herzegovina. Experiences and results of our hospital can be very useful in creating primary PCI networks in our countries and developing countries as well.

Background: The nutrition support complications after cardiac surgery should be detected and treated on time. Aim: To show the incidence and type of nutritional support complication in patients after cardiac surgery. Methods: The prospective study included 415 patients who underwent cardiac surgery between 2010 and 2013 in Clinic for Cardiovascular Disease of University Clinical Center Tuzla. Complications of the delivery system for nutrition support (NS) and nutrition itself were analyzed. Results: The analysis showed that 95 (22.80%) patients received enteral nutrition (EN) and 47 (11.30%) total parenteral support (TPN). 41.54% patients who received EN had complications and 33.09% of those who received TPN had complications with no significant difference per support. The complications with highest incidence in group with EN were associated with gastrointestinal (GiT) tract dysfunction with diarrhea (14.04%) and high gastric residuals in (10.56%). The most significant complications in patients with TPN were hyperglycemia (16.90%) and catheter-related infection (11.97%). Complications in EN group were associated with commercial solutions (p<0.05). Conclusion: Complications of NS in Cardiac Surgery Intensive Care Unit are very frequent, diarrhea and hyperglycemia presenting the highest incidence. NS careful monitoring and strict protocols could decrease incidence of complications in patients underwent cardiac surgery and realize benefits of NS.

Background: Atypical squamous cells of undetermined significance (ASCUS) is a term that refers to inflammatory, reactive and reparative processes which are atypical and of higher level and insufficient to be classified as cervical intraepithelial lesions (CIN). Aims: Examine of frequency of HPV infection in ASCUS lesions and regression, stagnation and progression during six-month period. Subjects and Methods: Prospective study was conducted over a period of 3 years. In private gynecological ambulance „Dr Mahira Jahic”. Analysis of PAP smears and HPV typization have been done in 50 patients and PAP test has been repeated after six months. X² test was used for statistical analysis. Results: Analysis of 1784 PAP smears showed normal results in 86,6% (N-1530), and abnormal in 13% (N-254). ASCUS in 7,4% (N-133) and ASC-H in 0,5% (N-9), LSIL in 4,4% (N-80), HSIL in 1,3% (N-24), CIN II in 1,2% (N-20), CIN III in 0,2% (N-4). Progression occurred in 18% (9), persistence in 74% (37) and regression in 8%. Patients with ASC-H lesion 0,5% (N-9), PH results showed 22% (N-2) Carcinoma in situ, 33% (N-3) CIN II, 22% (N-2) CIN I and 22% (N-2) chronic cervicitis. Patients with CIN I in 88% (N-7) were positive on HPV of high risk. Patients with persistent ASCUS result were positive in 51% (N-19). The number of CIN I lesions found in women with ASCUS is bigger and statistically significant (p<0,05) in relation to number of CIN I findings found in regular examinations. Conclusion: Monitoring women with ASCUS lesion, especially HPV positive to high risk group is the best way of selection of women who should be treated and monitored in order to prevent cervical cancer.

Aim: The aim of this study was to investigate a relationship between seasonal variation and incidence of type A acute aortic dissection (AAD) and spontaneous abdominal aneurysm rupture (rAAA) in Canton Tuzla, Bosnia and Herzegovina. Patients and methods: A total of 81 cases, 41 AAD and 40 of ruptured AAA were identified from one center over a 6-year, from 2008 till 2013. In 2012 were admitted (45.6% or 36 patients). Results: Seasonal analysis showed that 19(23.4%) patients were admitted in spring, 15(18.5) in summer, 26(32%) in autumn and 21(25.9) in winter. The most frequent period was autumn/winter with 47 or 58% patients. A causal link between atmospheric pressure (AP) and incidence of rAAA and AAD on seasonal and monthly basis was found.

AIM The aim of this study was to investigate a relationship between seasonal variation and incidence of type A acute aortic dissection (AAD) and spontaneous abdominal aneurysm rupture (rAAA) in Canton Tuzla, Bosnia and Herzegovina. PATIENTS AND METHODS A total of 81 cases, 41 AAD and 40 of ruptured AAA were identified from one center over a 6-year, from 2008 till 2013. In 2012 were admitted (45.6% or 36 patients). RESULTS Seasonal analysis showed that 19(23.4%) patients were admitted in spring, 15(18.5) in summer, 26(32%) in autumn and 21 (25.9) in winter. The most frequent period was autumn/winter with 47 or 58% patients. A causal link between atmospheric pressure (AP) and incidence of rAAA and AAD on seasonal and monthly basis was found.

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