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Öğe A case series of deep subgluteal block: a new block targeting the missed portion of the hip for analgesia after total hip replacement(2024) Atalay, Yunus Oktay; Çiftçi, Bahadır; Tekin, Bahar; Ansen, Gamze; Şakul, Bayram Ufuk; Çaçan, Mehmet Akif; Azboy, İbrahim; Yılmaz, Bilge; Alıcı, Haci AhmetThe study aimed to evaluate the effectiveness of deep subgluteal block (DSGB) for pain relief after posterolateral-approached total hip replacement. The cadaver study and observational case series assessed the spread and outcomes of ultrasound-guided DSGB. Results showed low postoperative pain scores, minimal opioid requirements, and no complications related to DSGB. Anatomical dissection revealed effective spread of the injected substance. These findings suggest that DSGB could be a promising regional analgesic technique for postoperative pain management after posterolateral-approached total hip replacement.Öğe Alzheimer ve diğer yetişkin demanslarda corpusamygdaloideum, hippocampus, insula ve temporal lobhacimlerinin değerlendirilmesi(İstanbul Medipol Üniversitesi Sağlık Bilimleri Enstitüsü, 2020) Ansen, Gamze; Şakul, Bayram Ufuk; Cila, AyşenurDemans ve Alzheimer hastalığı ortalama yaşam ömrünün uzamasıyla yaşlı popülasyonda sıklıkla görülen, nedenleri tam anlaşılamamış ve tedavisi bulunmayan progresif nörodejeneratif hastalıklardır. Bu çalışmada, demans ve Alzheimer'da özellikle tutulan beyin bölgelerini tespit etmek için hippocampus alt bölgelerindeki atrofi paterni ve bazı limbik yapıların atrofi düzeyinin belirlenmesi amaçlanmıştır. Bu amaçla, 61 birey, Alzheimer hastası (18), demans (16) ve sağlıklı kontrol (27) olmak üzere 3 gruba ayrılarak T1 ağırlıklı görüntülerinde MRICloud ve VolBrain ile hacimsel değerlendirilmeleri yapıldı. Gyrus temporalis medius, total hippocampus, sağ ve sol CA1, sol CA2-3 ve CA4-DG hacimleri kontrol grubunda Alzheimer grubundan anlamlı olarak fazla bulundu (p<0,05). Total cerebrum hacimleri kontrol grubunda, Alzheimer ve demans gruplarına göre daha fazla bulundu (p<0,05). Sağ subiculum, sağ ve sol SRLM hacimleri kontrol ve demans grubunda Alzheimer grubundan fazla olarak bulundu (p<0,05). Insula, corpus amygdaloideum ve posterior gyrus cinguli beyaz ve gri cevher hacimlerinde gruplar arası anlamlı farklılık saptanamadı (p>0,05). Sağ rostral ve dorsal anterior gyrus cinguli beyaz cevher hacimleri, demansta Alzheimer grubundan; subgenual anterior gyrus cinguli sol beyaz cevher ve sağ gri cevher hacimleri kontrol grubunda Alzheimer grubundan anlamlı oranda fazla bulundu (p<0,05). Total gyrus cinguli ve subcallosal anterior gyrus cinguli beyaz ve gri hacimlerinde gruplar arasında anlamlı farklılık saptanamadı (p>0,05). Sonuç olarak; demans ve Alzheimer hastalıklarında hippocampus segmentleri ve anterior gyrus cinguli'nin alt bölüm hacimlerinin değerlendirilmesinin, hastalıkların evreleri ve bu bölgelerin hastalıklarla olan fonksiyonel ilişkilerinin belirlenmesinde yardımcı olacağı sonucuna varılmıştır.Öğe Anatomical spread of local anesthetic in circumpsoas block: a cadaveric study(2025) Atalay, Yunus Oktay; Sözcü, Semih Burak; Tekin, Bahar; Ansen, Gamze; Cingöz, Gözde; Şakul, Bayram Ufuk; Alıcı, Haci Ahmet...Öğe Cadaveric investigation of the spread of the thoracoabdominal nerve block using the perichondral and modified perichondral approaches(Korean Society of Anesthesiologists, 2022) Çiftçi, Bahadır; Alıcı, Hacı Ahmet; Ansen, Gamze; Sakul, Bayram Ufuk; Tulgar, SerkanInterfascial plane blocks and associated nomenclature are currently popular topics in the field of anesthesia. While several novel plane blocks have been described, cadaveric studies on the spread of novel blocks are important for determining appropriate applications [1]. Recently, Tulgar et al. [2] defined the thoracoabdominal nerve block using a perichondral approach (TAPA). They reported that local anesthetic (LA) administered on the upper and lower aspect of the 9th through the 10th costal cartilages would block both the anterior and lateral cutaneous branches, thus providing abdominal analgesia. After describing the TAPA, the authors also redefined the approach, naming it the modified TAPA (M-TAPA). They reported that administering LA only to the lower surface of the costal cartilage would provide successful analgesia similar to that provided by the TAPA [3]. In the literature, there are some case reports and observational studies on the TAPA and M-TAPA [2,3]; however, to the best of our knowledge, no reliable cadaveric investigation has demonstrated the spread of these blocks. Therefore, in this cadaveric investigation, we aimed to evaluate the areas of spread associated with the TAPA and M-TAPA. This study was approved by the Istanbul Medipol University Ethics and Research Committee (Decision No. 36, 06.01.2022).Öğe Is the femoral nerve affected by iliopsoas block? A cadaveric volume study(2025) Atalay, Yunus Oktay; Tekin, Bahar; Ansen, Gamze; Koç, Elif; Uludağ Yanaral, Tümay; Şakul, Bayram Ufuk; Alıcı, Haci Ahmet...Öğe Para-sartorial compartments block: A cadaveric study of dye spreading(NLM (Medline), 2023) Atalay, Yunus Oktay; Tekin, Bahar; Ansen, Gamze; Güngör, Hande; Şakul, Bayram Ufuk; Alıcı, Hacı Ahmet[Abstract Not Available]Öğe Re-evaluation of the symptoms of Hirayama disease through anatomical perspective(International Advancement Center for Medicine and Health Research Co., Ltd., 2023) Tekin, Bahar; Ansen, Gamze; Örmeci, Tuğrul; Helvacı Yılmaz, Nesrin; Şakul, Bayram UfukHirayama disease is a rare disease of the anterior horn motor neuron caused by compression of the cervical spinal cord when the neck is flexed. Cervical myelopathy may accompany the disease. It is characterized by symmetrical or asymmetrical muscle weakness and atrophy of muscles innervated by lower cervical and upper thoracic motor neurons. We recorded two male cases of Hirayama disease between the ages of 15 and 21 based on magnetic resonance imaging (MRI) features obtained from the cervical neutral state and from the flexion position which appeared in the right upper extremity. Loss of strength and atrophy in the right upper extremities was existent in clinical findings of these patients. When MRI was taken in the flexion position, there were dilated veins as hypointense signal void on T2 weighted series in posterior epidural area. The contrast enhancement was seen on these veins. It was observed that the posterior dura was displaced anteriorly and the anterior subarachnoid space was narrow. In cases which show clinical findings such as atrophy and loss of strength, having normal MRI results obtained in the neutral position makes it difficult to diagnose Hirayama Disease. In case of a suspicion of Hirayama disease the diagnosis can be made more easily by MRI taken in the flexion position. These case reports aim to bring Hirayama disease to mind and optimize the management of affected individuals.Öğe Recto-intercostal fascial plane block: Another novel fascial plane block(Elsevier Inc., 2023) Tulgar, Serkan; Çiftçi, Bahadır; Ahıskalıoğlu, Ali; Bilal, Bora; Alver, Selçuk; Şakul, Bayram Ufuk; Ansen, Gamze; Pençe, Kadriye Betül; Alıcı, Hacı AhmetSuperficial and deep parasternal intercostal plane blocks are preferable options as fascial plane blocks in parasternal region surgeries. These techniques aim to block the anterior cutaneous branches of T2-T6 thoracic nerves. However, with these blocks, it is impossible to block the T7 and lower anterior cutaneous branches and the lateral cutaneous branches of the thoracoabdominal nerves [1]. In cardiac surgeries with median sternotomy, mediastinal tube placement sites are outside the parasternal block effect area, and sometimes the sternotomy incision extends below the T6 dermatome. Generally, surgeons apply LA infiltration to tube entry points for analgesia. In cases where sternum revision is required -if awake surgery is preferred- parasternal blocks alone are not sufficient, clinicians seek complementary techniques (such as pectoralis-intercostal rectus sheath (PIRS) plane block).Öğe Single-shot sacral erector spinae block: a cadaveric study of dye spreading(2024) Atalay, Yunus Oktay; Tekin, Bahar; Ansen, Gamze; Uzunoğlu, Emine; Koç, Elif Kübra; Şakul, Bayram Ufuk; Alıcı, Haci Ahmet...Öğe Three-dimensional semi-autotamatic segmentation of nasolacrimal duct morphometry on computed tomography images(2025) Pençe, Kadriye Betül; Nalçacı Bozkurt, Nureda; Tekin, Bahar; Şen, Selva; Ansen, Gamze; Örmeci, Tuğrul; Yüzbaşıoğlu, NeslihanPurpose: Given the potential role of nasolacrimal duct (NLD) morphometry in the aetiology of primary acquired obstructions, it is imperative that clinicians have access to detailed anatomical information. The aim of this study was to determine normative data on nasolacrimal duct morphometry in the Turkish population sample and to provide guidelines for clinicians. Methods: The study included retrospectively computed tomography images of a healthy Turkish population sample of 151 individuals, 79 of whom were female and 72 of whom were male. Images were modeled and analyzed using 3D Slicer version 5.2.2. Results: The total volume and area of the NLD were smaller in females than in males. The right- and left-sided volume of the NLD were smaller in females than in males (In male, right side 219.28 ± 77.53 mm3 and left side 213.14 ± 73.82 mm3; in female, right side 193.82 ± 75.71 mm3, left side, 190.34 ± 82.54 mm3). Although the anteroposterior and transverse diameters of the right-sided NLD were not statistically different between the genders, the anteroposterior and transverse diameters of the left-sided NLD and distance between right and left NLD were smaller in female than in males. The volume and surface area of the right-sided NLD and the distance between the right and left NLD were larger with increasing age. The anteroposterior diameter was observed to be larger on the right side than on the left in both sexes, whereas the transverse diameter was larger on the right side than on the left side exclusively in females. Conclusion: The results of this study may assist clinicians in the surgical approaches.
