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Biomedical subjects

Ibrahim Adaletli

Publications and source records attributed to Ibrahim Adaletli.

28 records · Page 2Linked to original sources

Is there any seasonal influence in spontaneous bleeding of intracranial aneurysm and and/or AVM in Istanbul?

PRINCIPLES: Despite many reports investigating the relationship of subarachnoid haemorrhage and seasonal variation in different parts of the world, there is no clear correlation. As far as we know this subject has not been reported from Istanbul yet. The purpose of this study is to determine if there is any correlation between season and spontaneous subarachnoid haemorrhage (SAH) caused by intracranial aneurysms and/or arteriovenous malformations (AVM) in Istanbul. METHODS: Data were collected retrospectively from the medical reports of patients having intracranial haemorrhage due to aneurysm and/or arteriovenous malformation. The data were analysed with univariate and chi-square tests for all haemorrhages, for haemorrhages of aneurysms and arteriovenous malformations separately per month and per season respectively for all the patients together and according to gender separately. The ANOVA test was used for testing the monthly distribution of SAH cases with regard to age. RESULTS: There were 761 cases (417 female, 344 male) of intracranial haemorrhage cases (683 intracranial aneurysms, 78 arteriovenous malformations) from 1994-2000. In this study, a seasonal peak in winter and a nadir in autumn for all subarachnoid haemorrhages were observed but the findings were not significant statistically. The peak season was winter for bleeding due to both aneurysms and AVM's. While the nadir season for aneurysmal bleeding was autumn and was summer for the AVM's. CONCLUSIONS: We did not find any significant statistical relation between seasonal variation and intracranial haemorrhage in the Istanbul province. But the peak of bleeding in winter and the nadir in autumn were noticeable for all intracranial haemorrhages. In Istanbul, beside the individual risk factors such as hypertension, alcohol consumption, lifestyle, and environmental factors like weather, season and other possible factors of which we are not yet aware, the relative increase of population in winter season due to social reasons may have a small contribution to these findings.

Adolescent↗

Endovascular treatment of Behçet's disease-associated intracranial aneurysms: report of two cases and review of the literature.

Behçet's disease (BD) is a well-known multisystem inflammatory disorder of unknown etiology. Aneurysms of the cerebral arteries are not commonly described in patients with BD. There are few cases of intracranial aneurysms with BD reported in the literature. In this study, we report endovascular treatment of BD-related ruptured intracranial aneurysms in two cases, and present a wide literature review of intracranial arterial aneurysms related to BD.

Adult↗

Treatment of iatrogenic internal carotid artery laceration and carotid cavernous fistula with endovascular stent-graft placement.

The risk of fatal injury of the internal carotid artery (ICA) and surrounding anatomy during transsphenoidal surgery for pituitary adenoma is the most severe potential complication associated with this particular approach. We present a case in which iatrogenic injury to a patient's ICA and resultant carotid cavernous fistula and massive hemorrhage was successfully managed with the emergency placement of an endovascular stent-graft. Both findings in the relevant literature and practical considerations concerning both stent-grafts and other more commonly used options for the treatment of iatrogenic ICA injury are discussed.

Adenoma↗

MR imaging findings of spinal dural involvement with Wegener granulomatosis.

Involvement of the brain and meninges is rare in cases of Wegener granulomatosis, occurring in 2% to 8% of cases. Meningeal involvement in association with Wegener granulomatosis has scarcely been reported as being confined to the dura mater of brain on images and is thought to represent granulomatous infiltration. There are a few reported cases of Wegener granulomatosis that document involvement of dura at the level of the spinal cord. We present the case of a 52-year-old man with Wegener granulomatosis involving the cervical spinal dura and include detailed MR imaging findings.

Dura Mater↗

The effect of fluid intake on renal length measurement in adults.

PURPOSE: To evaluate whether oral fluid intake has an effect on renal length as determined with sonography. METHODS: We studied 524 adult patients who were referred to our ultrasound unit with complaints other than urinary tract symptoms. The mean age of the patients was 44 years (range 17-76). All of the measurements were performed with the patient in the prone position. The renal length of each kidney was measured by the same observer before and after oral fluid intake. Student's t-test was applied for the statistical significance of renal length measurements before and after hydration. Analysis of variance was performed for the effect of age and sex on the renal length measurements. RESULTS: The mean renal length on the right side was 106.2 +/- 5.5 mm and 107.5 +/- 5.7 mm on the left side before hydration. There was no statistically significant difference between right and left side renal length measurements. After hydration, the mean renal length was 113.5 +/- 6.1 mm on the right side and 114.6 +/- 6.6 mm on the left side. The mean increase in renal length after hydration was statistically significant (P < 0.001) and was 6.8% on the right side and 6.6% on the left side. Sex and age did not affect the measurements significantly. CONCLUSIONS: Oral fluid intake causes a statistically significant increase in renal length. This observation should be taken into consideration when renal length measurements are clinicallly important.

Administration, Oral↗