Publications by authors named "Marijan Situm"

Objectives: To examine the relationship between clinical patient characteristics and the severity of the disease course in patients hospitalized due to urinary bladder tamponade. The severity was assessed based on hemoglobin (Hgb) levels upon admission, the requirement for red blood cell transfusion (RBCT), and length of hospital stay.

Materials And Methods: A retrospective analysis was conducted at a single center, involving 75 patients who were hospitalized due to urinary bladder tamponade.

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Intra-abdominal testes are located in a variety of intra-abdominal positions, most less than 2 cm from the internal ring. Various surgical techniques of laparoscopic orchiopexy have been described to date. The aim of this study was to evaluate the safety and long-term efficacy of a single-stage, vessel-preserving, laparoscopic orchiopexy for intra-abdominal testes in pediatric patients.

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Purpose: To investigate the influence of the initial clinical presentation (symptomatic vs. asymptomatic) on histopathological tumor features in patients with upper tract urothelial carcinoma (UTUC).

Methods: We conducted a single-center, cross-sectional, and retrospective study that enrolled 72 adults with primary UTUC who underwent radical nephroureterectomy at our institution over a period of 4 years (April 2019-April 2023).

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This study investigated the impact of the initial clinical presentation of bladder cancer on tumor characteristics. A cross-sectional, retrospective study was performed, and it involved 515 patients who underwent transurethral bladder cancer resection at the University Hospital Center Split between April 2019 and April 2023, excluding recurrent cases. The association between symptomatic versus asymptomatic presentation and bladder cancer characteristics was analyzed.

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Introduction: The aim of this article was to investigate the impact of chronic antithrombotic therapy (AT) use on the time of detection of bladder cancer, assuming that patients taking AT experience episodes of macroscopic hematuria earlier, and therefore have a more favorable histopathological grade and stage, as well as a smaller number and size of tumors compared to patients not taking AT.

Material And Methods: A retrospective, cross-sectional study was conducted, including 247 patients who underwent bladder cancer surgery for the first time at our institution during the three-year period (2019-2021) and who experienced macroscopic hematuria.

Results: A lower frequency of high-grade bladder cancer (40.

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Recent findings suggest that human microbiome can influence the development of cancer, but the role of microorganisms in bladder cancer pathogenesis has not been explored yet. The aim of this study was to characterize and compare the urinary microbiome of bladder cancer patients with those of healthy controls. Bacterial communities present in urine specimens collected from 12 male patients diagnosed with bladder cancer, and from 11 healthy, age-matched individuals were analysed using 16S sequencing.

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The adverse effect of shock-wave lithotripsy (SWL) for renal stones on blood pressure is currently defined as its post-treatment increase. On the contrary, we hypothesize that even mild, unilateral renal obstruction initiates an increase in blood pressure. Then, in absence of treatment-induced injury, the stone removal should decrease the blood pressure.

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Prostate adenocarcinoma is the second most common solid neoplasm in male population in Croatia. It rarely causes symptoms unless it is advanced. The finding of PSA rise is the most common reason for diagnostic workout.

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Urothelial cancer is the most common bladder cancer. Hematuria is the most common presenting symptom in patients with bladder cancer. The most common diagnostics of bladder cancer is performed by transurethral resection of bladder after which pathohistological diagnosis is set.

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Purpose: Given that the tumor-promoting inflammation has been previously established in squamous cell carcinoma of the bladder but its contribution to development of urothelial carcinoma (UC) still remains elusive, our aim was to study changes in expression and activity of inflammation-mediating NF-κB and STAT3 transcription factors in human urothelial bladder carcinoma as well as expression of their target genes cyclin D1, VEGFA and TGFβ1.

Methods: Gene expression of STAT3, NF-κB, TGFβ1, cyclin D1 and VEGFA was measured by quantitative real-time polymerase chain reaction in both tumor and healthy bladder tissue from 36 patients with UC of the bladder. Activation of STAT3 and NF-κB was assessed with immunohistochemistry and immunoblot.

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As the seventh most common human malignancy, bladder cancer represents a global health problem. In addition to well-recognized risk factors such as smoking and exposure to chemicals, various infectious agents have been implicated as cofactors in the pathogenesis of urothelial malignancies. The aim of the present study was to assess the possible association of viral infection and bladder cancer in Croatian patients.

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Clear cell renal carcinoma is the most common kidney cancer. It is generally asymptomatic. A small percentage of patients present with hematuria, flank pain and abdominal mass.

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Aim: To observe the influence of operating urologist's education and adopted skills on the outcome of ureterorenoscopy treatment of ureteral stones.

Methods: The study included 422 patients (234 men, 55.4%) who underwent ureterorenoscopy to treat ureteral stones at the Urology Department of Clinical Hospital Center Split, Croatia, between 2001 and 2009.

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Aim: The aim of the study was to determine the incidence of "positive" findings in biopsies of the normal-appearing urothelium near primary cancer and their influence on therapeutic decisions.

Materials And Methods: Between January 2001 and October 2008, in 230 patients with primary bladder cancer during initial resection of tumor, we also performed random biopsy of surrounding normal-appearing urothelium. We analyzed retrospectively the number and type of positive biopsy findings and their impact on further treatment.

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Background: The efficacy of bacillus Calmette-Guerin (BCG) immunotherapy in the prevention of local recurrence and disease progression in patients with superficial bladder cancer is very well documented. This study reports the effect of BCG on disease-specific and overall survival.

Patients And Methods: In this retrospective trial, we have analyzed 170 patients with stage Ta and T1 superficial bladder cancer.

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We tested the hypotheses that chronic human urinary obstruction impairs the renal regulation of the red blood cell (RBC) production and compared the chronic outcome of relief of obstruction between parenchyma-saving surgery and extracorporeal lithotripsy (SWL). We measured RBC count and serum erythropoietin (Epo) concentration before and 3 months after relief of urinary obstruction in 60 patients treated with pyelolithotomy, ureterolithotomy or ureteroscopy and in 62 patients treated with SWL. Compared with 333 healthy controls, at baseline, patients scheduled for parenchyma-saving surgery had lowered RBC count [9.

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The article is a discussion of three cases of lipomatosis in the pelvis and of the surgical treatment undertaken in each case. In the first two cases, fatty tissue compressed the lower uriunary tract, and in the third, the rectosigmoid intestine. In the third case, the patient was also diagnosed as having a malignant rectum polyp.

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Our aim was to evaluate the hypothesis that relief of renal obstruction lowers the arterial blood pressure if the procedure of stone removal does not injure the kidney itself. Sixty patients with unilateral renal stone were evaluated at baseline and 3 months after electrical shockwave lithotripsy (ESWL, n=30) or Gil-Vernet intrasinus pyelolithotomy (n=30). Blood pressures were measured noninvasively and renal vascular resistances were obtained from radionuclide measurements of renal blood flow.

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Aim: To evaluate the effect of intravesical instillation of Bacillus Calmette-Guerin (BCG) in the prevention of recurrence and progression of the superficial bladder cancer.

Methods: Between February 1989 and May 1994, 170 patients with histologically proven superficial transitional cell carcinoma of the bladder stage Ta and T1 were assessed as eligible for 6-week + 6-month protocol of intravesical BCG instillation at the Split University Hospital. All patients underwent complete transurethral resection of the tumor, which established tumor size, histology, stage, and absence of muscle invasion.

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