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Nerma Čustović

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Aim To analyse the impact of the length of antiviral therapy with tenofovir disoproxil fumarate (TDF) on the renal function in patients with chronic hepatitis B (CHB). Methods A cross-sectional study included 75 patients with CHB treated with tenofovir, who had a normal renal function at the beginning of the treatment. Renal function was determined based on glomerular filtration rate (eGFR) value using the Modification of Diet in Renal Disease formula (MDRD). Measurement of serum creatinine concentration and urinary protein excretion were performed using standard laboratory analyses. Viral load quantification (HBV-DNA) was determined by polymerase chain reaction (PCR). The degree of liver fibrosis was determined using fibrosis4 (FIB-4) and aspartate transaminase to platelet ratio index (APRI) fibrosis score. Results Out of 75 CHB patients, 37 were on antiviral treatment for up to 2 years (group 1) and 38 patients on antiviral treatment longer than two years (group 2). Mean age of patients was not significantly different between the groups (p=0.076), nor was the gender distribution. There was no statistically significant difference between the mean values of the eGFR in the two groups (91.89±9.24 vs. 88.42±7.84 mL/min/1.73m2; p=0.42), as well as between the mean values of serum creatinine (p=0.360) and 24-hour urine protein excretion (p=0.380). There was no statistically significant correlation between renal parameters and viral load, APRI and FIB-4 fibrosis score. Conclusion Results of our study did not show significant changes in the measured parameters of renal function in group 1 and group 2 of patients, regardless of the length of antiviral treatment, indicating a good renal safety profile of TDF.

Introduction: The COVID-19 pandemic and the restrictions from routine life habits had a tremendous impact on psychological and physical health of youth. It is known that stress, anxiety and depression can be associated with the development of gastrointestinal (GI) symptoms and known to exacerbate present GI symptoms. The pandemic has forced many changes in the behavior of student population such as the studying in an asocial environment. The aim of this study was to examine and quantify the influence of stress onto the quality of life and GI symptoms in the student population in Bosnia and Herzegovina (B&H), before and during the pandemic lockdown. Methods: A total of 279 students from B&H were assessed for their GI and emotional status in pre-COVID period and during the COVID period using validated instruments: GI symptom rating scale (GSRS), Visceral Sensitivity Index, and the Patient Health Questionnaire 15-item Somatic Symptom Severity Scale. Results: The results showed that moderate and severe GI symptoms were more frequently present among student population at the time of the pandemic than in period before pandemic. The most pronounced symptoms were bloating syndrome and abdominal pain syndrome according to the GSRS. Conclusions: We concluded that concern for one’s health and changed way of life are directly related to a worsening of the symptoms of GI disorders in the student population. Further research should go in the direction of early prevention of GI disorders that take root in early youth and later develop into chronic forms.

Background: Acute pancreatitis (AP) is an acute inflammatory illness of the pancreas representing a true question in diagnostic process. Laboratory markers of the hepatobiliary tract such as liver transaminases with pancreatic enzymes give a true hint of a hidden diagnosis together with urea, creatinine and creatine kinase (CK). Objective: This clinical study aims to show whether there is any correlation between alpha-amylase and CK or their ratio examining hospitalized patients with AP diagnosis. Methods: From total number of 99 patients with a clinical picture of AP, 71 patients in this retrospective analysis (including both genders) were included according to the presence of two biochemical markers in collected laboratory analysis at admission and 72 hours later on a laboratory check-up: CK and alpha-amylase. Results: The median CK value of AP cases was 92 (41.75 – 207.25) in the acute period and 73 (37 – 159) after 72h staying in the hospital without statistical significant (p=0.521; p<0.05). However, there was a statistically significant correlation between the parameters of CK at admission and creatine kinase after 72h staying in the hospital. The median value of CK/Amylase ratio in the acute period was 0.168 (0.069 – 0.532) and 0.386 (0.12 – 1.12) after 72 hours of staying in the hospital. There was a statistically significant difference between values of CK/amylase ratio in these two groups (p=0.000; p<0.01). Conclusion: In conclusion, a connection between CK and alpha-amylase needs to be elucidated in further studies and its existence must be researched both in physiological and pathophysiological conditions, and it is two-way and very complex. This study helped us obtain significant information about the perspective of AP in the potential relation to other non-standard laboratory markers for some diseases

Background: Acute gastroenteritis remains an extremely common problem among the general population. In Western countries, an average person will probably face one or two episodes of gastrointestinal infections every year. Objective: The aim of this study was to compare the efficacy of nifuroxazide and probiotic preparation containing lactic acid bacteria in the treatment of acute diarrheal syndrome. Methods: The study was prospective, comparative study. Patients who suffered from acute infective diarrhoea for ≤72 hours and had ≥3 unformed stools per day, with no administration of antibiotics during 10 days before enrolment were divided into two groups: nifuroxazide group and the lactic acid probiotic group. All patients received therapies four times a day for three days. Data was collected at the baseline visit (before the initiation of the treatment) and two follow-up examinations on the third and seventh day from the treatment start. Results: The study included 61 patients, 36 in nifuroxazide group and 25 in probiotic group. Nifuroxazide group compared to probiotic group showed faster improvement of patients’ condition with lower number of stools three and seven days after therapy start (p=0.001 and p<0.001 respectively) and faster stool consistency normalization. On the seventh day from therapy start medium mushy stool consistency was observed in the majority of patients in nifuroxazide group (n=31, 86%) and only in small number of patients in probiotic group (n=5, 20%). Patients were feeling better and there was a trend of reporting better therapy efficacy in nifuroxazide group. Subjective assessment of therapy tolerability was also better in nifuroxazide group. Compliance to therapy and recommended dietary regime was similar between groups and there were no significant differences between groups regarding age, gender, elevated body temperature, abdominal pain, cramps, nausea and vomiting. Conclusion: Although probiotics are sometimes used in the treatment of acute diarrheal syndrome, nifuroxazide has better efficacy and greater patients’ satisfaction. Nifuroxazide can be recommended as the first choice empirical treatment in adult patients with the acute diarrheal syndrome.

Background Recent research has closely linked adipocytokines to liver inflammation and fibrosis progression in patients with non-alcoholic liver disease. This study aimed to determine the relationship of serum adiponectin and resistin levels with the severity of liver fibrosis in patients with chronic hepatitis B (CHB), depending on the duration of antiviral therapy. Methods The cross-sectional study included 75 patients with CHB divided into two groups: the T1 group (undergoing antiviral therapy for up to 2 years) and the T2 group (undergoing antiviral therapy over 2 years). The control group consisted of 40 healthy people. Serum concentrations of adiponectin and resistin were estimated with the ELISA method, while the degree of liver fibrosis was determined using FIB-4 and APRI score. Results There were no statistically significant differences in the mean serum adiponectin levels in relation to the duration of antiviral therapy. Higher values of serum resistin concentration were confirmed in patients of the T1 group compared to healthy controls (p=0.001) and to the T2 group (p=0.031). The mean level of serum resistin concentration was significantly higher in the group of patients with a higher FIB-4 score (9.12±3.39 vs 5.58±3.36 ng/mL, p=0.001) and higher APRI score (17.45±3.96 ng/mL vs 4.82±1.11 ng/mL, p=0.001). A positive correlation was found between serum resistin levels and the degree of liver fibrosis (p<0.001). There was no significant difference between mean serum adiponectin levels according to the values of FIB-4 and APRI scores. Conclusions Progression of liver fibrosis estimated by FIB4 and APRI scores as well as the length of antiviral treatment had a significant effect on serum resistin values in CHB patients on antiviral therapy.

Nerma Čustović, Aida Saray, Samra Ćato-Mehmedbašić, Ira Tančica, S. Sprečkić, N. Tokić, N. Herenda

OBJECTIVE The aim of our study was to determine the etiological factors, treatment and outcome of patients with non-variceal bleeding from upper gastrointestinal tract. MATERIALS AND METHODS This study enrolled 200 patients admitted to Sarajevo University Clinical Center with signs and symptoms of upper gastrointestinal bleeding, from January 2019 to July 2020. All patients had undergone gastroscopy, confirming the cause of gastrointestinal bleeding. Clinical and laboratory data were collected retrospectively, including previous non-steroid antiinflammatory drugs (NSAIDs) and anticoagulant therapy, comorbidities, risk factors, as well as endoscopic findings, laboratory findings, treatment and clinical follow-up. RESULTS The majority of patients were men (59%) with an average age of 53±6 years. Duodenal and gastric ulcers were the most common cause, followed by other etiologies. In our study, previous NSAIDs therapy had been registered in 29.5% of patients, anticoagulants in 8%, and proton pump inhibitors (PPI) in 2.9% of patients. Endoscopic intervention was required in 34% of patients. The need for transfusion occurred in 44.5% of cases. Rebleeding during hospitalization was observed in 7.5% of patients, mortality in 1.5% and surgery in 3% of patients. CONCLUSION The patients admitted to our hospital with symptoms of acute nonvariceal upper gastrointestinal bleeding were elderly, predominantly males, with significant comorbidities and a higher incidence of NSAID use. Gastroprotection is underutilized during NSAID treatment in patients with other coexisting risk factors, with a low rate of concomitant use of PPI during NSAIDs therapy. Endoscopic therapy, together with PPI, significantly reduces rebleeding rates, mortality and the number of emergency surgical interventions.

Nerma Čustović, Lejla Džananović, I. Rašić, Nadža Zubčević, Lejla Šaranović-Čečo, Aida Drljević, J. Redžepagić

Aim To evaluate the pattern of indications and a spectrum of colonic pathology, and to determine appropriateness of indications for colonoscopy in order to improve patient selection for colonoscopy. Methods This retrospective study includes 294 patients who were referred to the Gastroenterology Department from a primary care physician in order to approach endoscopic examination. Study data included patients' anamnestic data (comorbidities, positive family history, performed radiological examinations) an indication for the procedure, and colonoscopy findings. Results Haematochezia was confirmed in 186 (63.26%), positive radiologic finding in183 (62.24%) and anaemia in 157 (53.40%) patients. Adenoma and colorectal carcinoma were detected in 40 (13.6%) and 53 (18%) patients, respectively. A significant association between haematochezia and colorectal neoplasm was confirmed (p=0.019), haematochezia and inflammatory bowel disease (p=0.027), and between radiological finding and colorectal neoplasm (p=0.018). There was no significant association between anaemia and any of the colonoscopic findings. According to EPAGE II criteria indications were appropriate in 187 (63.6%), uncertain in 67 (22.8%) and inappropriate in 40 (13.6%) patients. Conclusion This study confirmed a slightly larger number of uncertain and inappropriate indications for colonoscopy compared to other studies that examined indications for colonoscopy, which can be attributed to a high number of patients with functional bowel disorders.

Introduction: Upper gastrointestinal bleeding can be a life-threatening condition and requires careful evaluation from the very first episode in order to reduce the risk of rebleeding, hemorrhagic shock and death. The outcome of a patient with upper gastrointestinal bleeding depends on resuscitation measures taken during admission to the hospital and an adequate assessment of the patient’s risk level. Aim: The aim of the study is to compare Glasgow Blatchford score and Rockall score and to identify the most accurate score used in predicting unfavorable outcomes and the need for intervention. Methods: This study involves 237 patients with upper gastrointestinal bleeding. The accuracy of the scoring systems was assessed by plotting receiver-operating characteristic curves (ROC curves) and was calculated for GBS and RS with 95% confidence interval (CI). Results: As for mortality prediction, RS was superior to GBS (AUC 0.806 vs. 0.750). The GBS had a higher accuracy in detecting patients who needed transfusion units and was superior to the RS (AUC 0.810 vs.0.675). In predicting the need for intervention, RS was superior to GBS (AUC 0.707 vs. 0.636. Conclusion: GBS and RS are developed to help clinicians to triage patients appropriately in order to assess endoscopic therapy within a suitable time frame, as well as identify low risk patients for possible outpatient management. High accuracy of the GBS in predicting a need for transfusion represents an important endpoint to assess. RS was superior to GBS in predicting a need for intervention as well as mortality. Currently, a combination of these scoring systems is the best way for proper assessment.

Nerma Čustović, Herzegovina, A. Selimovic, Aida Saray, D. Prohić, T. Cerić, A. Duran, Jasmina Redzepagi, S. Sprečkić et al.

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