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Öğe Central retinal artery occlusion secondary to orbital cellulitis and abscess following dacryocystitis(Sage Publications Ltd, 2011) Coskun, Mesut; Ilhan, Ozgur; Keskin, Ugurcan; Ayintap, Emre; Tuzcu, Esra; Semiz, Hilal; Oksuz, HuseyinPurpose. To report a case of dacryocystitis that progressed to orbital abscess resulting in the rare complication of central retinal artery occlusion. Methods. A patient without any other known health problems presented with dacryocystitis complicated by orbital cellulitis, orbital abscess, and finally central retinal artery occlusion despite medical treatment. Results. After 48 hours of medical treatment, there was no recovery, and there was loss of light perception; because of this, surgery indication was determined. Fundus fluorescein angiogram demonstrated findings of central retinal artery occlusion. There was no recovery of light perception after surgical intervention. Conclusions. We report a case of orbital abscess following dacryocystitis in a healthy middle-aged woman resulting in the rare complication of central retinal artery occlusion. To our knowledge, this is the first report of central retinal artery occlusion secondary to orbital abscess following dacryocystitis.Öğe Effects of Topical Phenylephrine HCI 2.5% used before Cataract Surgery on Systemic Blood Pressure(Turkish Ophthalmological Soc, 2011) Ayintap, Emre; Keskin, Ugurcan; Coskun, Mesut; Ilhan, Ozgur; Semiz, Hilal; Oksuz, HuseyinPurpose: To evaluate the effect of topical phenylephrine HCI 2.5% (Mydfrin), used as a fast and effective mydriatic before cataract surgery, on systemic blood pressure. Material and Method: Topical phenylephrine HCI 2.5% was administered 3 times with 5-minute intervals before cataract surgery to 44 eyes of 44 patients. The systemic blood pressure was measured preoperatively and at 15 and 30 minutes. Results: The mean systolic blood pressure before the topical administration of phenylephrine HCI 2.5% was 119.7mmHg, while 15 and 30 minutes later, it was 125.3 mmHg and 121.2 mmHg, respectively. The mean diastolic blood pressure before the topical administration of phenylephrine HCI 2.5% was 75.9 mmHg; 15 and 30 minutes later, it was 76.9 mmHg and 75.3 mmHg, respectively. The increase in systolic blood pressure at 15 and 30 minutes was statistically significant (p=0.003 and p=0.042). The change in diastolic blood pressure was not statistically significant. Discussion: Phenylephrine HCI 2.5%, which is used preoperatively as a fast and effective mydriatic for cataract surgery, can increase the systolic blood pressure. This effect is most significant at 15 minutes and lasts at least 30 minutes. This agent should be used with care in hypertensive patients.Öğe The Injection of Air/Oxygen Bubble into the Anterior Chamber of Rabbits as a Treatment for Hyphema in Patients with Sickle Cell Disease(Hindawi Ltd, 2014) Ayintap, Emre; Keskin, Ugurcan; Sadigov, Fariz; Coskun, Mesut; Ilhan, Nilufer; Motor, Sedat; Semiz, HilalPurpose. To investigate the changes of partial oxygen pressure (PaO2) in aqueous humour after injecting air or oxygen bubble into the anterior chamber in sickle cell hyphema. Methods. Blood samples were taken from the same patient with sickle cell disease. Thirty-two rabbits were divided into 4 groups. In group 1 (n = 8), there was no injection. Only blood injection constituted group 2 (n = 8), both blood and air bubble injection constituted group 3 (n = 8), and both blood and oxygen bubble injection constituted group 4 (n = 8). Results. The PaO2 in the aqueous humour after 10 hours from the injections was 78.45 +/- 9.9 mmHg (Mean +/- SD) for group 1, 73.97 +/- 8.86 mmHg for group 2, 123.35 +/- 13.6 mmHg for group 3, and 306.47 +/- 16.5 mmHg for group 4. Therewas statistically significant difference between group 1 and group 2, when compared with group 3 and group 4. Conclusions. PaO2 in aqueous humour was increased after injecting air or oxygen bubble into the anterior chamber. We offer to leave an air bubble in the anterior chamber of patients with sickle cell hemoglobinopathies and hyphema undergoing an anterior chamber washout.Öğe Katarakt cerrahisi öncesi kullanılan topikal %2,5'luk fenilefrin HCI damlanın sistemik kan basıncına etkisi(2011) Ayıntap, Emre; Keskin, Uğurcan; Çoşkun, Mesut; İlhan, Özgür; Semiz, Hilal; Öksüz, HüseyinAmaç: Katarakt ameliyatı öncesi daha etkili ve hızlı bir pupilla dilatasyonu sağlamak amacıyla topikal olarak kullanılan %2,5'luk fenilefrin HCI (Mydfrin) damlanın, sistemik kan basıncına etkilerini belirlemek. Gereç ve Yöntem: Prospektif 44 hastaya katarakt ameliyatı öncesi pupilla dilatasyonu amacıyla 5’er dakika ara ile 3 defa %2,5'luk fenilefrin HCI damla damlatıldı. Damla öncesi ve damla sonras› 15. ve 30. dakikalarda sistemik kan bas›nçlar› ölçüldü. Sonuçlar: Hastaların %2,5'luk fenilefrin HCI damla damlatılmadan önceki ortalama sistolik kan basınçları 119,7 mmHg iken, damla sonrası 15. dakikada ortalama sistolik kan bas›nçlar› 125,3 mmHg, 30. dakikada ortalama sistolik kan basınçları 121,2mmHg olarak bulundu. Diastolik kan basınçları ortalaması; damla öncesi 75,9 mmHg iken, damla sonrası 15. dakikada 76,9 mmHg, 30. dakikada 75,3 mmHg olarak ölçüldü. ıstatistiksel açııdan; damla öncesine göre, damla sonras› 15. dakikada daha belirgin olmak üzere, 15. ve 30. dakikalarda sistolik kan bas›nçlar›nda anlaml› bir değişim söz konusuydu. (p=0,003 ve p=0,042) Diastolik kan basınçlarında ise istatistiksel olarak anlamlı bir fark bulunmadı. Tartışma: Katarakt operasyonu öncesi daha etkili ve hızlı bir pupilla dilatasyonu amacıyla kullanılan %2,5'luk fenilefrin HCI damla, 15. dakikada daha belirgin olmak üzere 30. dakikaya kadar devam eden, sistolik kan basıncı artışına yol açabilmektedir. Hipertansiyonu olan hastalarda %2,5’luk fenilefrin HCl kullanırken dikkat edilmelidir. (Turk J Ophthalmol 2011; 41: 164-6Öğe Terson Syndrome (A case Report)(Turkish Ophthalmological Soc, 2012) Ilhan, Ozgur; Ilhan, Nilufer; Coskun, Mesut; Ayintap, Emre; Keskin, Ugurcan; Semiz, Hilal; Oksuz, HuseyinTerson syndrome is a vitreous hemorrhage that occurs after intracranial hemorrhages (subarachnoid or subdural) and generally visual deficit or low vision is observed. In this paper, the case of a patient who had undergone pars plana vitrectomy due to Terson syndrome is presented. Visual acuity of the patient was 0.1 prior to the operation, but 1 month postoperatively, it reached 0.7. There was no complication during the surgery and at postoperative follow-up.
