Publications by authors named "Muhammed Arif Ibis"

3 Publications

  • Page 1 of 1

Does the power of the laser devices matter for a successful HoLEP procedure? A prospective comparative study.

Int J Clin Pract 2021 Jun 15:e14531. Epub 2021 Jun 15.

Department of Urology, Biruni University School of Medicine, Istanbul, Turkey.

Background: The objectives of this prospective study were to evaluate the efficiency, safety and applicability of medium-power (MP) holmium laser devices in the endoscopic enucleation of the enlarged prostate (HoLEP) compared with high-power (HP) laser devices.

Methods: From October 2019 to July 2020, a total of 120 consecutive patients planned for HoLEP were divided randomly into two groups formed in terms of the power of the device used. While patients in group 1 were treated with a MP device (50 W) at 39.6 W (2.2 J/18 Hz), patients in group 2 were treated with HP (100 W) device at 42 W (1.2 J/35 Hz). Preoperative patient characteristics, perioperative measures and 3-month functional outcomes were evaluated in both groups with an emphasis on enucleation efficiency (EE) and haemoglobin decrease in a comparative manner.

Results: All patients underwent successful HoLEP surgery with no severe perioperative and postoperative complications. No statistically significant differences were observed in terms of preoperative patient characteristics and perioperative measures in the two groups. The median EE values in groups 1 and 2 were 1.15 (interquartile range [IQR]: 0.33-2.2) and 1.11 (IQR: 0.4-2.8), respectively (P = .775). Haemoglobin decrease values in groups 1 and 2 were 1.3 (IQR: 0.1-4) and 1.4 (IQR: 0.4-3.1), respectively (P = .736). There was no difference in terms of either catheterisation time or hospital stay in the groups. In the model created to predict haemoglobin decrease, only biopsy was detected to be the independent predictive factor among the data from laser device, biopsy and antithrombotic use. Functional outcomes markedly improved in all patients without any statistically significant difference between the groups in the 3-month follow-up.

Conclusion: Our comparative study indicated that HoLEP can be performed safely and effectively with MP laser devices without any technical difficulties and with comparable results achieved in HP laser devices.
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June 2021

Role of neutrophil-to-lymphocyte ratio in prediction of Gleason score upgrading and disease upstaging in low-risk prostate cancer patients eligible for active surveillance.

Can Urol Assoc J 2016 Nov-Dec;10(11-12):E383-E387. Epub 2016 Nov 10.

Department of Urology, Ankara University School of Medicine, Ankara, Turkey.

Introduction: Active surveillance (AS) is an option for management of low-risk prostate cancer (PCa). However, grade and stage progression is an important consideration. Neutrophil-to-lymphocyte ratio (NLR) is a useful marker of cancer-related inflammation. In this study, we aimed to identify the roles of neutrophil count (NC), lymphocyte count (LC), and NLR to predict Gleason score (GS) upgrading, disease upstaging, and biochemical recurrence rates (BCR) in low-risk PCa patients.

Methods: We retrospectively evaluated data of 210 low-risk PCa patients eligible for AS, but who underwent radical prostatectomy. The roles of NC, LC, and NLR on the GS upgrading, disease upstaging, and BCR rates were investigated. Univariate and multivariate models were used to determine the effect of these parameters.

Results: There were 104 and 106 patients in the NLR <2.5 and NLR ≥2.5 groups, respectively. GS upgrading in the NLR ≥2.5 group was more common than in the NLR<2.5 group (p=0.04). The NLR ≥2.5 group had significantly higher GS (8-10; p=0.03). With regard to NLR, the groups were found to have similar rates of disease upstaging (9/104 in NLR <2.5 vs. 16/106 in NLR ≥2.5; p=0.200). BCR rates were also significantly different between groups (p=0.033). NC an LC were not found to be associated with GS upgrading, disease upstaging, or BCR.

Conclusions: NLR is a predictor of GS upgrading and BCR, but not disease upstaging in patients with low-risk PCa. Furthermore, higher NLR was found to be associated with higher GS PCa. NLR is a cost-effective and easily accessible tool that can be used in the decision-making process for treatment of low-risk PCa cases.
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November 2016

Behçet's Disease and Intracardiac Thrombosis: A Report of Three Cases.

Case Rep Rheumatol 2013 2;2013:637015. Epub 2013 Jul 2.

Department of Internal Medicine-Rheumatology, Ankara University, Faculty of Medicine, Akademik Yerleşke, Sıhhıye, 06100 Ankara, Turkey.

We present three patients with Behçet's disease associated with intracardiac thrombus and pulmonary vascular involvement. One of these patients had also Budd-Chiari syndrome. All patients were treated with corticosteroid plus monthly intravenous cyclophosphamide as first line treatment and with no recurrences. Immunosuppressive therapy was successful in the treatment of intracardiac thrombus and also in the regression of pulmonary vascular thromboses in these patients. Intracardiac thrombus in Behçet's disease is rarely seen. Behçet's disease should be remembered in the differential diagnosis of the patients with intracardiac mass, especially in patients from the Mediterranean and Middle East populations.
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August 2013