Kozacıoğlu, Zafer

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https://hdl.handle.net/20.500.14365/7215
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Kozacıoğlu, Zafer
Kozacıoglu, Zafer
Kozacioğlu, Zafer
Kozacioglu, Z.
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Email Address
zaferkozacioglu@gmail.com
Main Affiliation
09.04. Surgical Sciences
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Former Staff
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ORCID ID
0000-0003-1661-5766
Scopus Author ID
8358724300
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Google Scholar ID
WoS Researcher ID
CYO-9935-2022

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2

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JournalCount
Colon Polyps and Colorectal Cancer: Second Edition1
Journal of Urological Surgery1
Journal of Urologıcal Surgery1
Neurourology And Urodynamıcs1
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  • Thumbnail Image
    Article
    Effects of Three-Dimensional Measurement of the Urinary Stone Size on the Surgical Outcomes of Retrograde Intrarenal Stone Surgery
    (Galenos Publishing House, 2021) Ergani, B.; Kozacioǧlu, Z.
    Objective: This study aimed to investigate peri-/postoperative effects of three-dimensional measurement of stone size in patients who underwent retrograde intrarenal surgery, where preoperative stone size calculations determine the operation decisions and prognosis. Another aim is to determine a limit value in cm3 for retrograde intrarenal surgery and to predict stone-free status based on this limit value. Materials and Methods: Data of 184 patients were retrospectively analysed. Patients were divided into two groups according to whether the stone-free status was achieved. Postoperative stone-free status and related effective parameters were analysed statistically. Results: No significant difference was found between age, gender, Hounsfield unit, length of hospital stay, secondary retrograde intrarenal surgery, renal unit abnormality, stone side, stone opacity, presence of additional ureteral stone, hydronephrosis and preoperative Double-J stent placement with stone-free rate. Subsequent interventions for residual stones, number of stones, stone sizes in cm2 and cm3 and operation time were determined as parameters that significantly affected the stone-free rate. As a result of the receiver operating characteristic analysis, the threshold stone size was 1.54 cm3. Conclusion: More accurate indications can be determined by calculating the volume of the stone. Retrograde intrarenal surgery success decreases in stones >1.54 cm3 by volume calculation. A different method such as percutaneous nephrolithotomy should be considered with higher preference for stones above this value. © Copyright 2021 by the Association of Urological Surgery / Journal of Urological Surgery published by Galenos Publishing House.
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    Article
    Citation - WoS: 1
    Citation - Scopus: 1
    Histologic and Physiologic Analysis of the Relationship Between the Dorsal Nerve of the Penis and the Corpus Cavernosum on a Rat Model. a Complementary Pathway on the Innervation of Penile Erection?
    (Wiley, 2022) Kozacıoğlu, Zafer; Vatansever, H. Seda; Onal, Tuna; Kutlu, Necip; Ozel, Fehmi; Gunlusoy, Bulent; Gumus, Bilal H.
    Aim The dorsal nerve of the penis (DNP) is the terminal branch of the pudendal nerve which is responsible for the somatic innervation of the penis. This study aims to outline any direct role of the DNP in the hemodynamics of erection histologically and physiologically. Materials and Methods Fifteen Wistar albino rats were sorted into the electrical activity (n = 6), intracavernous pressure (n = 4), and control (n = 5) groups. The dorsal nerve was electrostimulated and the simultaneous changes in intracavernous pressure and smooth muscle activity were recorded. Penile tissues were collected, fixed, and sectioned, the slides were stained with either hematoxylin-eosin for morphological evaluation or using the indirect immunoperoxidase technique to analyze the distributions of eNOS, iNOS, and nNOS. Results During electrostimulation, there was a simultaneous statistically significant decrease in the electrical activity inside the corpora in electromyography and an increase in intracavernous pressure. eNOS and iNOS immunoreactivities were higher in the study group than in the control group. nNOS immunoreactivity was moderate in both study and control groups. Conclusion Some fibers in the dorsal nerve of penis continue into the corpora cavernosa through the tunica albuginea and have an active, direct role in the hemodynamic process of erection, which may be complementary to the main route of innervation.
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    Article
    Citation - WoS: 2
    Effects of Three-Dimensional Measurement of the Urinary Stone Size on the Surgical Outcomes of Retrograde Intrarenal Stone Surgery
    (Galenos Yayincilik, 2021) Ergani, Batuhan; Kozacıoğlu, Zafer
    Objective: This study aimed to investigate peri-/postoperative effects of three-dimensional measurement of stone size in patients who underwent retrograde intrarenal surgery, where preoperative stone size calculations determine the operation decisions and prognosis. Another aim is to determine a limit value in cm(3) for retrograde intrarenal surgery and to predict stone-free status based on this limit value. Materials and Methods: Data of 184 patients were retrospectively analysed. Patients were divided into two groups according to whether the stone-free status was achieved. Postoperative stone-free status and related effective parameters were analysed statistically. Results: No significant difference was found between age, gender, Hounsfield unit, length of hospital stay, secondary retrograde intrarenal surgery, renal unit abnormality, stone side, stone opacity, presence of additional ureteral stone, hydronephrosis and preoperative Double-J stent placement with stone-free rate. Subsequent interventions for residual stones, number of stones, stone sizes in cm(2) and cm(3) and operation time were determined as parameters that significantly affected the stone-free rate. As a result of the receiver operating characteristic analysis, the threshold stone size was 1.54 cm(3). Conclusion: More accurate indications can be determined by calculating the volume of the stone. Retrograde intrarenal surgery success decreases in stones >1.54 cm(3) by volume calculation. A different method such as percutaneous nephrolithotomy should be considered with higher preference for stones above this value.
  • Thumbnail Image
    Book Part
    Citation - Scopus: 1
    Urological Manifestations of Colorectal Malignancies and Surgical Management of Urological Complications During Colorectal Cancer Surgeries
    (Springer International Publishing, 2020) Kozacioglu Z.; Kisa E.
    Urogenital metastasis and invasion of the urogenital system in locally advanced stage of colorectal cancers are rare. In this stage, adjacent urogenital organ invasion is mainly about the urinary bladder, which is primarily by the distal tumors of the sigmoid colon and the rectum. In the surgery of these cancers, iatrogenic ureter trauma (IUT) may occur especially during low anterior resection and the abdominal perineal resection of the colon. Colorectal surgeries are the second most common cause of IUT after gynecologic surgeries. IUT in such surgeries is more frequent in the left ureter and the distal part of the ureter. It may be diagnosed directly during surgery upon observing the ureter damage or by postoperative clinical symptoms. The most important stage in preventing IUT during surgery is to visualize the ureters. Ureter repair algorithm may vary depending on the nature, extent, and level of the IUT. © Springer Nature Switzerland AG 2021. All rights reserved.