Biomedical subjects

Bahri Ustünsöz

Publications and source records attributed to Bahri Ustünsöz.

6 recordsLinked to original sources

PubMed2006

Bronchial artery embolization: experience with 10 cases.

PURPOSE: To report our experience with 10 cases of bronchial artery embolization (BAE). MATERIALS AND METHODS: The study included 18 cases (11 men and 7 women between 21 and 81 years of age, average 52 years), whose massive hemoptyses could not be controlled with conservative and bronchoscopic methods and were sent to the digital subtraction angiography unit between August 2002 and May 2004. Of these 18 cases, BAE was performed in 10 (7 men and 3 women between 21 and 78 years of age, average 54.2 years). An aortogram with a 5F pigtail catheter and a selective bronchial angiogram with a 4F glide Cobra (C2) catheter was obtained in every case. The same C2 catheters that had been used for bronchial angiography were also used for BAE in 7 cases. Hydrophilic microcatheters were additionally needed for BAE in the other 3 cases. Particles > 250 microns (polyvinyl alcohol [PVA], Embosphere microspheres), mechanical coils, or a combination of both were used for BAE. RESULTS: The etiologies of 10 cases in which BAE was performed were tuberculosis (n=3), sarcoidosis (n=3), bronchiectasis (n=2), and malignancy (n=2). Arterial bronchial pathology was also seen in the non-selective angiographic studies of 4 of the 10 BAE cases. Hemoptysis was controlled in all BAE cases in the first session. Recurrences were observed in 2 cases that were embolized with only mechanical coils during the first month follow-up and hemoptysis was again controlled with microparticle embolization with Embosphere microspheres. All 10 cases were followed- up for 1-21 months (average, 8 months). CONCLUSION: Non-selective angiographic examination alone, is not sufficient enough to detect the vascular pathology causing a massive hemoptysis. A selective study must be performed in every case. The cost of angiography can be lowered by using the same 4F glide C2 catheter for BAE. It may not be safe to use only mechanical coils in BAE cases. There is a need for studying additional cases to have more definitive conclusions.

Adult↗

PubMed2006

Mechanical coil embolization of pulmonary arteriovenous malformations.

PURPOSE: To report our experience with mechanical coil embolization of pulmonary arteriovenous malformations. MATERIAL AND METHODS: Coil embolization was performed in 6 men (mean age, 21.1 years; age range, 20-23 years) with pulmonary arteriovenous malformations between 1999 and 2004. Five F Cobra catheters and various sized coils were used for embolization. Clinically, cases were followed-up every 3 months for one year and every 6 months thereafter, with a mean total follow-up period of 2.3 years. RESULTS: Complete primary occlusion was achieved in all patients. There were no complications related to the procedure and no problems were reported during follow-up period. CONCLUSION: Treatment of pulmonary arteriovenous malformation cases with coil embolization is an effective option.

Adult↗

PubMed2005

Hospital infections in radiology clinics.

Hospital infections are serious concerns for health care workers and patients. Needle stick injuries, blood contacts, airborne infections and any kind of contamination pose a risk for hospital infections. The risk of hospital infection has been increased in radiology since the number of the patients and the exposure time between patients and radiology workers have increased especially with the usage of new modalities in the last three decades. Hospital infection risk and some universal standards and policies for protection were summarized in this article.

Cross Infection↗

PubMed2005

MR urography in pediatric uropathies with dilated urinary tracts.

PURPOSE: To determine the diagnostic value of magnetic resonance (MR) urography in children with urinary tract dilatation. MATERIALS AND METHODS: Twenty-five children between the ages of 4 months and 13 years (19 males and 6 females, mean age 6.5 years) were evaluated with T2 weighted and contrast-enhanced T1 weighted MR sequences. Results were compared with findings obtained with ultrasonography (n=25), intravenous urography (n=18), Tc99m- DTPA scintigraphy (n=16), and/or micturating cystouretrography (n=13). RESULTS: MR urography provided a superior imaging of urinary system dilatation, the site and the etiology of obstruction, and both regular and complicated kidney duplication than did conventional imaging methods. MR urography that used T2 weighted sequences was able to demonstrate 29 of 32 (90.6%) abnormal renal collecting systems. Fourteen of 21 (66.7%) normal systems were revealed by heavily T2 weighted images. Forty-six of 51 (90.2%) renal collecting systems could be shown by T1 weighted sequences. With this sequence, however, five collecting systems (9.8%) could not be shown secondary to poor renal function and/or dilution of contrast agent within the dilated urinary tract. CONCLUSION: In children, MR urography may replace conventional uroradiological methods.

Adolescent↗

PubMed2004

[Mechanical coil embolization of pulmonary arteriovenous malformations].

PURPOSE: To report our experience with mechanical coil embolization of pulmonary arteriovenous malformations (PAVM) MATERIAL AND METHODS: Coil embolizations were performed in 6 men (mean age 21.1, age range 20-23 years) with PAVM between 1999 and 2004. Five F Cobra catheters and various size coils were used for embolization. Clinically, cases were followed in every 3 months of their first year and 6 months in the following years with a mean time of 2.3 years. RESULTS: Complete primary occlusion was achieved in all patients. There were no complications related to the procedure. No problem was reported in the follow-up period. CONCLUSION: Treatment of PAVM cases with coil embolization is a good option.

Adult↗

PubMedDate not supplied

A different approach to missile induced head injuries.

Missile induced head injuries can be influenced by the anatomical location of the injury, i.e. type of tissue and by the ballistic properties such as the design of the weapon and the mass, shape and construction of the projectile, as well as its velocity characteristics and trajectory angle. In the diagnostic work up of the patients with missile induced head injuries, every available modality can be used. It is important, however, to recognize that CT scan is the primary and most efficacious diagnostic tool in such patients. In this article we have identified risk factors for both morbidity and mortality in patients with missile induced head injury with excluding the patients who had also extracranial serious trauma and systemic disease.

Adolescent↗