Person: ÖZDOĞMUŞ, NECMETTİN ÖMER
Loading...
Email Address
Birth Date
Research Projects
Organizational Units
Job Title
Last Name
ÖZDOĞMUŞ
First Name
NECMETTİN ÖMER
Name
13 results
Search Results
Now showing 1 - 10 of 13
Publication Metadata only The anatomy of the carotico-clinoid foramen and its relation with the internal carotid artery(SPRINGER FRANCE, 2003) ÖZDOĞMUŞ, NECMETTİN ÖMER; Ozdogmus, O; Saka, E; Tulay, C; Gurdal, E; Uzun, I; Cavdar, SThe carotico-clinoid foramen is the result of ossification either of the carotico-clinoid ligament or of a dural fold extending between the anterior and middle clinoid processes of the sphenoid bone. It is anatomically important due to its relations with the cavernous sinus and its content, sphenoid sinus and pituitary gland. In this study the ossification state of the carotico-clinoid ligament, the diameter of the internal carotid artery and the carotico-clinoid foramen has been studied on 50 autopsy cases. Of the 100 carotico-clinoid foramina examined, in 27 sides (15 right, 12 left) the carotico-clinoid ligament was completely ossified, in 18 sides (9 right, 9 left) the carotico-clinoid ligament was incompletely ossified and in 55 sides (26 right, 29 left) it was a ligamentous structure. The correlation of the dimensions of the carotico-clinoid foramen and the internal carotid artery showed no statistical significance, except between the carotico-clinoid foramen with a fibrous carotico-clinoid ligament and the internal carotid artery on the right side (p=0.007, r=0.51). The existence of a bony carotico-clinoid foramen may cause compression, tightening or stretching of the internal carotid artery. Further, removing the anterior clinoid process is an important step in regional surgery; the presence of a bony carotico-clinoid foramen may have high risk. Therefore, detailed knowledge of the type of ossification between the anterior and middle clinoid processes can be necessary to increase the success of regional surgery.Publication Metadata only Morphometric measurements of the caudal cranial nerves in the petroclival region(JOHANN AMBROSIUS BARTH VERLAG MEDIZINVERLAGE HEIDELBERG GMBH, 2007) ÖZDOĞMUŞ, NECMETTİN ÖMER; Gurdal, E.; Cakmak, Y. O.; Ozdogmus, O.; Yalcinkaya, M.; Urun, I.; Gogusgeren, M. A.; Cavdar, S.Objective: The dural zone of entry or exit of the caudal cranial nerves in the petrodival region does not have a constant localization. The present study aimed to measure the dival length, the distances between cranial nerve dural openings and the distance of cranial nerves from the mid-dival line in 30 human autopsy cases. Material and Methods: Thirty autopsy specimens (8 female, 22 male) from persons aged between 20-76 years (mean age 38.9 years) were studied. Autopsies with intracranial lesions were not included in the study. Results: The average distances between the right and left dural openings of caudal cranial nerves in the petroclival region were as follows (mean sd): trigeminal, 32.17 +/- 5.41 mm; abducent, 20.04 +/- 3.23mm; facial and vestibulocochlear, 50.97 +/- 5.86mm; glossopharyngeal, vagus, accessory, 41.59 +/- 6.46mm and hypoglossal 26.8 +/- 4.33mm. The measurements of the distances of the cranial nerve exits to the mid-clival line showed considerable asymmetries for the left and right trigeminal nerves. Furthermore, the distances between the trigeminal and the abducent nerves on the right and left differed significantly (p < 0.029). The average distance between these two cranial nerves on the left was 8.44 +/- 3.66 mm and on the right was 7.31 +/- 2.41 mm. In addition, the average clival length was 56.96 +/- 5.91 mm (range: 42-71 mm). Conclusions: Most of the surgical procedures performed in this area are to remove tumors which significantly modify the local anatomy. Knowledge of morphometric variations can increase the success of cranial nerve preservation during surgical procedures of the posterior cranial fossa.Publication Metadata only Morphometric characteristics of caudal cranial nerves at petroclival region in fetuses(SPRINGER, 2016) ÖZKAN, MAZHAR; Ozdogmus, Omer; Saban, Enis; Ozkan, Mazhar; Yildiz, Sercan Dogukan; Verimli, Ural; Cakmak, Ozgur; Arifoglu, Yasin; Sehirli, UmitMorphometric measurements of cranial nerves in posterior cranial fossa of fetus cadavers were carried out in an attempt to identify any asymmetry in their openings into the cranium. Twenty-two fetus cadavers (8 females, 14 males) with gestational age ranging between 22 and 38 weeks (mean 30 weeks) were included in this study. The calvaria were removed, the brains were lifted, and the cranial nerves were identified. The distance of each cranial nerve opening to midline and the distances between different cranial nerve openings were measured on the left and right side and compared. The mean clivus length and width were 21.2 +/- A 4.4 and 13.2 +/- A 1.5 mm, respectively. The distance of the twelfth cranial nerve opening from midline was shorter on the right side when compared with the left side (6.6 +/- A 1.1 versus 7.1 +/- A 0.8 mm, p = 0.038). Openings of other cranial nerves did not show such asymmetry with regard to their distance from midline, and the distances between different cranial nerves were similar on the left and right side. Cranial nerves at petroclival region seem to show minimal asymmetry in fetuses.Publication Metadata only Myocardial bridges of the coronary arteries in the human fetal heart(SPRINGER, 2010) ÖZDOĞMUŞ, NECMETTİN ÖMER; Cakmak, Yusuf Oezguer; Cavdar, Safiye; Yalin, Aymelek; Yener, Nuran; Ozdogmus, OmerDuring the last century, many investigators reported on myocardial bridges in the adult human heart. In the present study, 39 human fetal hearts (the mean gestastional age was 30 weeks) were studied for myocardial bridging, and the results were correlated with adult data. Among the 39 (27 male and 12 female) fetal hearts studied, 26 bridges were observed on 18 fetal hearts (46.2%). Ten of the bridges had one myocardial bridge, whereas double myocardial bridges were observed in eight fetal hearts. The most frequent myocardial bridges were observed on the left anterior descending artery (LAD), which had 13 bridges (50%). Eight (30.7%) myocardial bridges were on the diagonal artery, and on the posterior descending artery there were five (19.3%). Myocardial bridges were not observed on the circumflex artery. The data presented in this study may provide potentially useful information for the preoperative evaluation of the newborn and may have a clinical implication for sudden fetal death.Publication Metadata only A guide to facilitate the creation of a femoral tunnel for arthroscopic ligamentum teres reconstruction: a three-dimensional computed tomography study(2022-08-07) İSMAİLOĞLU, ABDUL VELİ; ÖZDOĞMUŞ, NECMETTİN ÖMER; İSMAİLOĞLU A. V., İSMAİLOĞLU P., KAYAALP A., Zeynalov S. I., ÖZDOĞMUŞ N. Ö., Yıldızhan E. S., BAYRAMOĞLU A.Publication Metadata only The high 2D:4D finger length ratio effects on atherosclerotic plaque development(ELSEVIER IRELAND LTD, 2010) ÖZDOĞMUŞ, NECMETTİN ÖMER; Ozdogmus, Omer; Cakmak, Yusuf Oezguer; Coskun, Murat; Verimli, Ural; Cavdar, Safiye; Uzun, IbrahimBackground: The index finger to ring finger length ratio (2D:4D) of the right hand are affected by prenatal testosterone levels in male. To date, it has been determined that the high 2D: 4D ratio is related to the myocardial infarction, however no research has revealed the relationship between the high 2D: 4D ratio whose coronary artery shows atherosclerotic plaque development. Objective: The aim of this study was to display the relationship between the 2D: 4D ratio and atherosclerosis formation in male autopsy cases. Methods: We designed a study in 100 heterosexual male autopsies whose mean age was 21.4 +/- 2.47 (range between 17 and 25). The 2nd and 4th digits were measured on the palmar surface of the right hand and taken the right coronary artery to show the atherosclerotic plaque development. Results and conclusion: Grade 3 group had significantly higher 2D: 4D ratio compared to Grade 1 and Grade 2 groups (p = 0.02 for both). (C) 2009 Elsevier Ireland Ltd. All rights reserved.Publication Metadata only An Earplug Technique to Reduce the Gag Reflex during Dental Procedures(KARGER, 2014) TEZULAŞ, EMRE; Cakmak, Yusuf Ozgur; Ozdogmus, Omer; Gunay, Yumusan; Gurbuzer, Bahadir; Tezulas, Emre; Kaspar, Elif Cigdem; Hacioglu, HusniyeBackground: The gag reflex is a frequent problem occurring during dental treatment procedures, especially while making impressions of the maxillary teeth. The present study aims to evaluate the efficacy of a simple earplug as an external auditory canal stimulator to supress the profound gag reflex and as a second step, to map areas of the oropharynx suppressed by this technique. Methods: In the first step of the study, 90 patients who had a gag reflex during the impression procedure were allocated to a study group, a sham group, and a control group for evaluating the efficacy of the earplug technique. Second, 20 new patients with a gag reflex were included in order to map the oropharnygeal areas suppressed by this technique. Results: The severity of the gag reflex was reduced in the earplug group (but not in the sham or the control group). The affected area included the hard palate, uvula, and the tongue but not the posterior wall of oropharynx. Conclusion: An earplug technique can be a useful, practical, and effective tool to overcome the gag reflex during oral procedures, such as impression procedures of maxillary teeth.Publication Metadata only Unique case of trifurcation of the brachial artery: Its clinical significance(WILEY-LISS, 2002) ÖZDOĞMUŞ, NECMETTİN ÖMER; Malcic-Gurbuz, J; Gurunluoglu, R; Ozdogmus, O; Yalin, AThe variability of the arteries in the upper extremity is considerable. This case is a report of a trifurcation of the brachial artery that divided into radial, ulnar, and superior ulnar collateral arteries high in the arm; the length of the brachial artery was only 4.9 cm. Because the upper extremity is a frequent site of injury, various surgical and invasive procedures are performed in this region: consequently, it is of utmost importance to be aware of arterial variations. For some medical procedures, there may be an increased ask of complications because of variant vessels; however, for other procedures, they may be beneficial. In addition to presenting a detailed anatomic study of the case. the clinical significance of the variation has been addressed. Clin. Anat. 15:224-227, 2002. (C) 2002 Wiley-Liss, Inc.Publication Metadata only A Reminder of the Anatomy of the Recurrent Artery of Heubner(GEORG THIEME VERLAG KG, 2009) ÖZDOĞMUŞ, NECMETTİN ÖMER; Uzun, I.; Gurdal, E.; Cakmak, Y. Oe.; Ozdogmus, O.; Cavdar, S.Previous accounts of the recurrent artery of Heubner show serious inconsistencies concerning the origins, dimensions and numbers of the artery. In the present study, based on 54 (38 male, 16 female) human autopsy brains the common type of the recurrent artery of Heubner was present bilaterally in 46 cases (85.2 %), while in 6 (11.1 %) cases it was present only on one side (4 on the right, 2 on the left). Unilateral vessels were seen only in the male autopsy brains. The recurrent artery of Heubner could not be identified in 2 brains (3.7 %). Multiple Heubner arteries were not observed in the present study. No gender differences were observed regarding the origin and dimensions of the recurrent artery of Heubner. 76 recurrent arteries of Heubner arising from the junction of the anterior cerebral artery (ACA) and anterior communicating artery (ACoA) (79.2 %) had a mean diameter of 0.66 +/- 0.11 mm. In 14 arteries the artery derived from the A2 segment of the ACA (14.6 %) and the mean diameter was 0.66 +/- 0.17 mm; in 6 arteries it originated from the A1 segment of the ACA (6.2 %) and the mean diameter was 0.47 +/- 0.15 mm. The average diameter was calculated as 0.67 +/- 0.12 mm and ranged between 0.40 and 0.90 mm, irrespective of sex or side. A detailed anatomical knowledge of the recurrent artery of Heubner is important when considering vascular surgery in this area.Publication Open Access Connections between the facial, vestibular and cochlear nerve bundles within the internal auditory canal(WILEY, 2004-07) ÖZDOĞMUŞ, NECMETTİN ÖMER; Ozdogmus, O; Sezen, O; Kubilay, U; Saka, E; Duman, U; San, T; Cavdar, SThe vestibular, cochlear and facial nerves have a common course in the internal auditory canal (IAC). In this study we investigated the average number of nerve fibres, the average cross-sectional areas of the nerves and nerve fibres, and the apparent connections between the facial, cochlear and vestibular nerve bundles within the IAC, using light and scanning electron microscopy. The anatomical localization of the nerves within the IAC was not straightforward. The general course showed that the nerves rotated anticlockwise in the right ear from the inner ear end towards the brainstem end and vice versa for the left ear. The average number of fibres forming vestibular, cochlear, and facial nerves was not constant during their courses within the IAC. The superior and the inferior vestibular nerves showed an increase in the number of nerve fibres from the inner ear end towards the brainstem end of the IAC, whereas the facial and the cochlear nerves showed a reduction in the number of fibres. This suggests that some of the superior and inferior vestibular nerve bundles may receive fibres from the facial and/or cochlear nerves. Scanning electron microscopic evaluations showed superior vestibular-facial and inferior vestibular-cochlear connections within the IAC, but no facial-cochlear connections were observed. Connections between the nerves of the IAC can explain the unexpected vestibular disturbances in facial paralysis or persistence of tinnitus after cochlear neurectomy in intractable tinnitus cases. The present study offers morphometric and scanning electron microscopic data on the fibre connections of the nerves of the IAC.