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Šefik Hasukić

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Aim To evaluate Helicobacter pylori (H. pylori) resistance to clarithromycin and quinolones in patients with dyspepsia in Tuzla Canton, Bosnia and Herzegovina, a region with no data on clarithromycin or quinolones resistance. Methods A prospective cross-sectional study was conducted at the Department of Gastroenterology and Hepatology at University Clinical Centre Tuzla between January 2021 and June 2022. The study included 99 patients who underwent esophagogastroduodenoscopy (EGDS) due to dyspepsia. In all patients biopsies were taken for rapid urease test (RUT) and histology findings, concomitantly with blood samples for IgG serology. All RUT positive patient samples were tested for clarithromycin and quinolones susceptibility with GenoType HelicoDr, a PCR method which detects point mutations in 23S rRNA and mutations in the gyrA gene. Results Out of 99 dyspeptic patients, 67 (67.7%) were serologically positive to H. pylori, 46 (46.4.%) were RUT positive, and 19 (19.2 %) had a positive histology finding. Antibiotic (AB) resistance was tested in the total of 46/99 (46.4%) patients. Resistance to clarithromycin was detected in 28.26% (13/46), quinolones resistance in 36.96% (17/46) , and resistance to both AB was detected in 8.69% (4/46) tested biopsies. Conclusions Due to high clarithromycin and quinolones resistance rates, we recommend the use of bismuth quadruple or non-bismuth concomitant quadruple therapy for H. pylori eradication in Tuzla Canton, Bosnia and Herzegovina.

Background: Pancreaticoduodenectomy (PD) known as Whipple procedure is still one of the most complex abdominal surgeries used for treatment of periampullary tumors. PD is often followed with postoperative complications (pancreatic, biliar or intestinal fistula, haemorrhage, intraabdominal abscess, delayed gastric empting. Severe postoperative complications (SPC) can be reason for reoperation and reason of bad outcome of treatment and life treathening condition. Objective: To investigate predicitive value of preoperative hypoalbuminemia for severe postoperative complications (SPC) in patients who have undergone Whipple pancreaticoduodenetomy (PD). However, no similiar study has been ever reported from our country until now. Methods: In this retrospective-prospective study, 100 patients who have had Whipple pancreaticoduodenectomy for malignant periampullary tumors at the Department for Surgery of University Clinic Center Tuzla, Bosnia and Herzegovina were enrolled, from january of 2009 to decembre of 2021. All patients were preoperatively analysed according to serum albumine levels and presensce of hypolabuminemia (serum albumine levels <32g/l). Serum albumine biochemical test were done 1-2 days preoperatively. Clavien Dindo classification was used for determination patients with SPC. Patients who did not have SPC belonged to (I-II) Clavien Dindo group of patients while those who had SPC belonged to( III-V) Clavien Dindo group of patients. Results: Out of 100 patients who have undergone pancreaticoduodenetomy, in 55 (55%) patients postoperative complications were noticed. Mortality rate was 18 (18%) and reoperation has been done in 20 cases (20%). SPC were noticed in 19 patients and most often were: delayed gastric emptying (20%), pancreatic fistula (13%) and intraabdominal collections (9%). Hypoalbuminemic patients had a significantly higher rate of severe postoperative complications ( p<0.05). Using hypoalbuminemia-SPC correlation analaysis, there is confirmed statistically significant correlation between hypoalbuminemia and SPC (ρ= 0.236; p<0.05). Conclusion: Preoperative hypoalbuminemia can be used as predictor and prognostic factor for severe postoperative complications after Whipple pancreaticoduodenectomy. Identification and optimization of serum albumin level prior to Whipple pancreatoduodenectomy may improve surgical outcomes.

H. Djug, Šefik Hasukić, S. Jagodić, Davor Ivanic

Background: The treatment strategy for non-muscle invasive bladder cancer (NMIBC) has not changed significantly over the past 30 years. Chemotherapeutic agents (mitomycin-C, epirubicin, etc.) and BCG (Bacillus Calmette-Guerin) immunotherapy are used as adjuvant intravesical therapy. Objective: To compare the difference between adjuvant chemotherapy and adjuvant immunotherapy in their efficacy of reducing the number of tumor recurrences. Methods: In this prospective clinical study, which included 99 patients with NMIBC from March 2018.–March 2023., we publish the results for all risk groups of patients treated with intravesical chemotherapy Epirubicin or with BCG immunotherapy, after TURBT (Trans urethral resection of bladder tumor) within 1 year. Patients were stratified into 2 groups. The first group was treated with Epirubicin (1 dose within 24 hours of surgery, then 6 weekly instillations and 3 maintenance doses), and the second group was treated with BCG (2-3 weeks after TURBT 6 weekly instillations, and 3 maintenance doses). The monitoring period was 24 months. Results: In patients treated with intravesical chemotherapy, recurrence occurred in 9 patients (17.64%), and in patients treated with BCG, recurrence occurred in 7 patients (14.58%). A similar incidence of disease recurrence was observed in both groups (p=0.787). Conclusion: The results of our study show a similar therapeutic response by risk groups of patients treated with chemotherapy and immunotherapy. Since BCG production will cease in the future, the task of urologists is to introduce intravesical chemotherapy into wider use and to modernize it as a safe and effective method of adjuvant treatment for non-muscle-invasive bladder cancer.

Background: From 2013 the World Medical Association’s Declaration of Helsinki explicitly requires pre-registration of a study involving human subjects. The registration gives a chance for improvement of design and avoidance of bias. Objective: The aim of this article was to describe process of bearing decision to create regional registry of clinical studies for Balkan countries. Methods: After finding relevant studies about research registries and designing the concept and structure of future regional registry an article was published in IJBH journal. The article was than used as basis for discussion at 2020 meeting of Academy of Medical Sciences of Bosnia and Herzegovina (AMSBH), and final decision was made by the Academy to create the research registry. Results: Regional registry of clinical studies will be under the auspices of AMSBH and web-based, with the option of online registration of new studies. The data required to be entered in the moment of registration relate to key elements of research plan: topic, variables, sample, type of the study and the study population. After applying for registration of a clinical study, the authors will soon receive the review made by the AMSBH expert committee. The application could be accepted, rejected or returned for major or minor revision. After an application is accepted, it will be deposited in the searchable database and given the registration number. Conclusion: The AMSBH’s decision to create the regional registry of clinical studies will satisfy needs of researchers from Balkan countries in the first place, who share cultural and lingual similarities. It will also help with increasing standards of clinical research in the region.

Background: Enormous number of medical journals published around the globe requires standardization of editing practice. Objective: The aim of this article was to enlist main principles of editing biomedical scientific journals adopted at annual meeting of Academy of Medical Sciences of Bosnia & Herzegovina (AMSB&H). Methods: The evidence for writing this Guideline was systematically searched for during September 2020 in the PUBMED and GOOGLE SCHOLAR databases. The inclusion criteria were: original studies, systematic reviews, invited expert opinions, guidelines and editorials. The exclusion criteria were narrative reviews and uninvited opinion articles. The retrieved evidence was analyzed by members of the AMSB&H, then discussed at 2020 annual meeting of the AMSB&H and adopted by nominal group technique. Results: In total 14 recommendations were made, based on A to C class of evidence. The editors should educate potential authors and instruct them how to structure their manuscript, how to write every segment of the manuscript, and take care about correct use of statistical tests. Plagiarism detection softwares should be used regularly, and statistical and technical editing should be rigorous and thorough. International standards of reporting specific types of studies should be followed, and principles of ethical and responsible behavior of editors, reviewers and authors should be published on the journal’s web site. The editors should insist on registration of clinical studies before submission, and check whether non-essential personal information is removed from the articles; when essential personal information has to be included, an article should not be published without signed informed consent by the patient to whom these information relate. Conclusions: Principles of editing biomedical scientific journals recommended in this guideline should serve as one of the means of improving medical journals’ quality.

The aim of this study was to determine a frequency and a type of early and late surgical complications in kidney transplantation, their impact on renal graft survival among 80 patients, 54 (67.5%) males and 26 (32.5%) females who had undergone a living and cadaveric kidney transplant at the Surgery Center in Tuzla in the period from 15.09.1999 until 31.12.2008. The subjects were divided into two groups according to donor age, younger and older than 55. A significantly higher incidence of early rather than late surgical complications was observed in an experimental group (p=0.001, and p=0.77, respectively). There was a statistically significant difference in the length of graft survival (p=0.004) and the number of deaths (p=0.038). Older age of kidney graft donor had an impact on the occurrence of early surgical complications and no influence on the occurrence of late surgical complications. Fatal outcome after kidney transplantation was significantly higher in patients who received grafts of elderly people.

Increasing gap between demand and availability of human kidneys for transplantation has forced a re-evaluation of the limits on donor age acceptability. The present study included 74 patients who underwent kidney transplantation in University Clinical Centre Tuzla. In an observational cohort study we assessed impact of donor age on post transplant renal function by analyzing following parameters: 24 hour urine output, creatinine clearance (Cr Cl) and glomerular filtration rate (GFR). Depending on donor age recipients were allocated in to two groups. Group I included patients who received renal graft from donors age up to 55 years, and Group II encountered recipients who received renal graft from donors older than 55 years. Our goal was to determine whether donor age over 55 years significantly diminishes renal graft function in first seven post transplant days. No statistically significant difference was found between Group I and II regarding 24 hour urine output. From second to fifth postoperative day creatinine clearance values were higher in the group of patients who received kidney from donors older than 55 years (47+/-19, 1 vs. 44, 4+/-20, 8). On the fifth, sixth and seventh post operative day GFR was significantly higher in patients who received renal graft from donors age up to 55 years (p<0, 0161). Our data showed no significant difference in observed variables between the two groups, thus indicating that utilization of renal grafts from donors' age > 55 years is acceptable and may considerably expand the donor pool.

F. Ljuca, Semir Imamović, D. Mesić, Šefik Hasukić, S. Omerovíc, M. Bazardžanović, Fatima Iljazagić-Halilović

All conventional immunosuppressive tree drugs-protocols are based on Cyclosporine; consisting of low doses of Cyclosporine (CsA), Azathioprine (AZA) or Mycophenolate Mofetil (MMF) and Prednisolone. AZA has been used in clinical transplantation for more than 30 years and was the first immunosuppressive agent to achieve widespread use in organ transplantation. MMF was introduced in clinical practice in 1995 after several clinical trials proved that it was more efficient than AZA for prevention of acute rejection episodes. Our aim was to evaluate influence of AZA and MMF on renal graft function in early post-transplant stage. Study recruited 74 patients who underwent kidney transplantation in University Clinical Centre Tuzla. All patients received CsA and corticosteroid-based immunosuppression, as a part of triple immunosuppressive regiment, 40 patients received AZA and 34 MMF. In order to assess renal graft function, following parameters were evaluated: glomerular filtration rate GFR (ml/min) creatinine clearance (CrCl) (ml/min), 24 h urine output (ml/day), and from the serum potassium, sodium, urea and creatinine (mmol/dm3). Significantly higher average values of 24 hour urine output were recorded during first seven postoperative days in patients receiving MMF compared to those treated with AZA. Serum creatinine values showed statistically significant decrease, starting with the second postoperative day, in MMF vs. AZA group (168,7+/-70,5 vs. 119,9+/-42,6; p<0,0007). GFR was significantly higher in MMF compared to the AZA group of patients. On the first post-transplant day CrCl was higher in AZA group (24,3+/-10 vs. 17,5+/-7,3; p=0,01), next six days situation is reversed CrCl is significantly higher in the MMF group (43,7+/-15 vs. 53, 4+/-22, 8 p=0,006). MMF vs. AZA therapy was associated with protective effect against worsening of renal function in first seven post-transplant days.

Semir Imamović, F. Ljuca, D. Mesić, Šefik Hasukić, S. Omerovíc, M. Bazardžanović, Fatima Iljazagić-Halilović

Introduction: Renal graft function in the immediate posttransplant period is directly associated with patients hemodynamic condition during graft revascularization and early postoperative period. Our aim was to evaluate correlation between average daily value of central venous pressure (CVP) and renal perfusion, in first seven posttransplant days. Patients and methods: We recruited 74 patients, who underwent renal transplantation. We evaluated the influence of CVP and 24 h urine output on renal graft function. In order to assess the renal graft function, following parameters were evaluated: glomerular filtration rate (GFR), creatinine clearance, 24-hour urine output, and from the serum levels of K+, Na++, urea and creatinine. Results: Statistically significant positive correlation between mean values of CVP and 24 h urine output was found on the first (r=0.5422; p=0.0001) but not on the third postoperative day (r=0.1116; p=0.344). Statistically significant inverse correlation between mean values of creatinine and diuresis was found on the first (r=-0.2824; p=0.015) and third (r=-0.2976; p=0.01) postoperative day but on the seventh postoperative day a positive statistically significant correlation between these parameters was registered (r=0.4114; p=0.0001). There is a statistically significant difference between GFR and urine output on the first (r=0.2771; p= 0.017) and seventh day (r=0.4114; p=0.0001). We have not found any significant correlation between mean values of creatinine clearance and diuresis on the first posttransplant day (r=0.1760; p=0.134), but when same parameters were examined on the seventh day a positive statistical significance was found (r=0.4248; p=0.0001). Conclusion: Renal graft survival in early postoperative period is largely influenced by recipient hemodynamic condition. This study proved that 24-hour urine output directly depended on CVP level; it also proved existence of statistically significant correlation between mean values of diuresis, creatinine clearance, GFR and serum creatinine.

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