Browsing by Author "Kahilogullari, Gokmen"

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    Is Placing Prophylactic Dural Tenting Sutures a Dogma?
    (Elsevier, 2021-09) Eroglu, Umit; Zaimoğlu, Murat; Sayacı, Emre Yağız; Ugur, Ugur; Attar, Ayhan; Kahilogullari, Gokmen; Bozkurt, Melih; Ünlü, Mustafa Ağahan; Özgüral, Onur; Doğan, İhsan; Seçinti, Kutsal Devrim; Abbasoğlu, Bilal; Erdoğan, Koral; Gökalp, Elif; Yakar, Fatih; Çağlar, Yusuf Şükrü; Cohen-Gadol, Aaron; Neurological Surgery, School of Medicine
    Objective In this study, we investigated if and when dural tenting sutures are necessary during craniotomy. Methods Results from 437 patients aged 18 to 91 years (average, 43.5 years) who underwent supratentorial craniotomy between 2014 and 2019 were evaluated. The patients were categorized into 1 of 3 groups, patients who had at least 3 prophylactic dural tenting sutures placed before opening of the dura (group 1), at least 3 dural tenting sutures placed after surgery was completed, during closure (group 2), or no dural tenting sutures (group 3 [control]). All such sutures in groups 1 and 2 were placed in the circumference of the craniotomy and dural junction. No central dural tenting sutures were placed in any of the patients. Results Among the 437 patients, 344 underwent surgery for the first time and 93 were undergoing a second surgery. Cranial computed tomography imaging was performed for each patient 1 hour, 3 days, and 1 month after surgery. In group 1, 3 patients had a cerebral cortex contusion and 2 patients had acute subdural hematoma after the sutures were placed. In groups 2 and 3, none of the patients had a cerebral cortex contusion or acute subdural hematoma. Fewer complications were observed when dural tenting sutures were placed during postsurgical closure. Conclusion Placing dural tenting sutures is an important technique for ensuring hemostasis. However, when not needed, they seem to cause inadvertent complications. As our results suggest, knowing when and where to use them is equally important.
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    Suturing of the Arachnoid Membrane for Reconstruction of the Cisterna Magna: Technical Considerations
    (Elsevier, 2021-10) Eroglu, Umit; Büyüktepe, Murat; Zaimoğlu, Murat; Kahilogullari, Gokmen; Ugur, Hasan Caglar; Ünlü, Mustafa Ağahan; Cohen-Gadol, Aaron; Neurological Surgery, School of Medicine
    Background Postoperative cerebrospinal fluid (CSF) fistula following cranial or spinal surgery is associated with increased morbidity and mortality. To prevent CSF fistulas, various techniques have been described. Here, we describe the arachnoid membrane continuous-running suture technique in cisterna magna reconstruction for preventing postoperative CSF leakage. Methods After craniotomy and dural opening, the incision of the arachnoid of the cisterna magna was performed using a diamond blade. To prevent the arachnoid from drying out and shrinking during surgery, it was periodically irrigated with warm saline solution. Posterior fossa surgery was performed. When closing the membranes, the arachnoid membrane was closed with the running-suture technique. After the first surgical knot was made in the cranial end of the arachnoid opening, continuous suturing with a 2-mm distance between the stitches was performed without stretching them. After every 3 stitches, the free end of the thread was pulled gently along the suturing axis, and the edges of the arachnoid were closed. After the arachnoid edges were approximated, the surgical knot was tied. Watertight closure was checked by performing the Valsalva maneuver at the end of the surgery. Results No CSF leakages were observed after surgery. Conclusions Arachnoid membrane suturing seems to be safe and effective in preventing postoperative CSF leakage and CSF-related complications. Using continuous running suturing alone, without any sealant, might be effective in cases with untraumatized arachnoid membrane.