Person: TUROĞLU, HALİL TURGUT
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TUROĞLU
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HALİL TURGUT
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Publication Metadata only Simple provocative maneuvers in renal transplant scintigraphy for detecting urine leak(SPRINGER, 2007) DEDE, FUAT; Dede, Fuat; Ones, Tunc; Caliskan, Billur; Civen, Huseyin; Erdil, Tanju Y.; Inanir, Sabahat; Tuglular, Zubeyde S.; Yegen, Cumhur; Akoglu, Emel; Turoglu, Halil T.Urine leak in the early postoperative period following renal transplantation is a serious complication requiring early identification and aggressive intervention, which significantly reduces the morbidity and mortality. Renal transplant scintigraphy is a noninvasive method to evaluate the perfusion and function of a transplanted kidney and urinary drainage including urine leak. Here, we reported two cases in which the standard transplant renogram failed to demonstrate urine leak. The cases were referred for a diethylenetriaminepentaacetic acid renogram following the transplantation to evaluate the cause of symptoms or elevated serum creatinine level. In both the cases, urine leak was successfully detected following simple maneuvers such as diuretic administration or Foley catheter irrigation. Renal transplant scintigraphy is an effective and safe technique and the use of these simple maneuvers can enhance the diagnostic sensitivity of the transplant renogram in the detection of urine leak.Publication Metadata only Renal cortical involvement in children with first UTI: does it differ in the presence of primary VUR?(SPRINGER, 2008) TUROĞLU, HALİL TURGUT; Aktas, Guel Ege; Inanir, Sabahat; Turoglu, Halil TurgutThe aim of this study was to investigate the influence of vesicoureteral reflux (VUR) on dimercaptosuccinic acid (DMSA) scintigraphic patterns in children with first symptomatic urinary tract infection (UTI). A total of 45 children with the diagnosis of first symptomatic UTI (28 girls, 17 boys, mean age 18 months, range 1 month-11 years) were reviewed. All DMSA scans were obtained within 2 months of bacteriologically proven UTI (median 21 days, mean 26 +/- 21, 14). After the exclusion of the patients with bilateral cortical lesions, 82 renal units were analyzed. The scintigraphic patterns included regional and global description of renal cortical abnormality (normal or decreased differential renal function, regional renal function (RRF), and the number and severity of cortical lesions). Vesicoureteral reflux was detected in 26 (32%) renal units (15 with grade 1-2, 11 with grade 3-4). Renal cortical abnormality was observed in 10 renal units without VUR (10/56, 17%) and 13 renal units with VUR (13/26: 50%). Of the 15 renal units, 5 with grade 1-2 VUR (5/15) and 8 of the 11 renal units with grade 3-4 VUR (8/11) had renal cortical involvement. The most common scintigraphic pattern in the patients without VUR was the preserved RRF (a parts per thousand yen45%) and two or fewer photon-deficient areas. On the other hand, a decreased RRF (< 45) associated with cortical lesions was the most frequent finding in patients with refluxing kidneys (8/26, 30%), especially in those with grade 3-4 disease. This investigation showed that the presence of VUR affects DMSA patterns in children with first symptomatic UTI.Publication Open Access Orlistat accelerates gastric emptying and attenuates GIP release in healthy subjects(AMER PHYSIOLOGICAL SOC, 2009-03) HAKLAR, GONCAGÜL; Enc, Feruze Yilmaz; Oenes, Tunc; Akin, H. Levent; Dede, Fuat; Turoglu, H. Turgut; Uelfer, Goerzde; Bekiroglu, Nural; Haklar, Goncaguel; Rehfeld, Jens F.; Holst, Jens J.; Ulusoy, Nefise B.; Imeryuez, NeseEnc, FY, Ones,T, Akin HL, Dede F, Turoglu HT, Ulfer G, Bekiroglu N, Haklar G, Rehfeld JF, Holst JJ, Ulusoy NB, Imeryuz N. Orlistat accelerates gastric emptying and attenuates GIP release in healthy subjects. Am J Physiol Gastrointest Liver Physiol 296: G482-G489, 2009. First published December 24, 2008; doi:10.1152/ajpgi.90209.2008.-Orlistat, an inhibitor of digestive lipases, is widely used for the treatment of obesity. Previous reports on the effect of orally ingested orlistat together with a meal on gastric emptying and secretion of gut peptides that modulate postprandial responses are controversial. We investigated the effect of ingested orlistat on gastric emptying and plasma responses of gut peptides in response to a solid mixed meal with a moderate energy load. In healthy subjects, gastric emptying was determined using scintigraphy and studies were performed without and with 120 mg of orlistat in pellet form in random order. Orlistat shortened t lag and t half and decreased the area under the gastric emptying curve. Orlistat significantly attenuated the secretion of glucose-dependent insulinotropic polypeptide (GIP) but did not alter the plasma responses of cholecystokinin (CCK), glucagon-like peptide-1 (GLP-1), pancreatic polypeptide (PP), and insulin. There was no peptide YY (PYY) response. Area under the curve of gastric emptying was positively correlated with integrated secretion of GIP (r = 0.786) in orlistat and was negatively correlated with integrated plasma response of GLP-1 (r = -0.75) in control experiments, implying that inhibition of fat absorption modifies determinants of gastric emptying of a meal. Orlistat administered similar to its use in obesity treatment accelerates gastric emptying of a solid mixed meal with a moderate energy load and profoundly attenuates release of GIP without appreciably altering plasma responses of CCK, GLP-1, and PP. Since GIP is being implemented in the development of obesity, its role in weight control attained by orlistat awaits further investigation.Publication Metadata only The clinical utility of 99(m)Tc-HMPAO SPECT in Fahr's disease(SPRINGER, 2008) GÜNAL, DİLEK; Ones, Tunc; Dede, Fuat; Gunal, Dilek; Ekinci, Gazanfer; Memis, Hatice; Erdil, Tanju Y.; Inanir, Sabahat; Turoglu, Halil T.Fahr's disease is a rare neurodegenerative syndrome, characterized by massive symmetrical intracerebral calcifications of the basal ganglia, dentate nuclei of the cerebellum, and the adjacent parenchyma. Computerized tomography (CT) is considerably more sensitive to detect these intracranial calcifications than other imaging modalities. The clinical, CT scan, and 99(m)Tc-D,L-hexamethylpropylene amine oxime (99(m)Tc-HMPAO) brain perfusion single-photon emission computerized tomography (SPECT) findings in a 42-year-old woman with Fahr's disease are reported, and the clinical utility of 99(m)Tc-HMPAO SPECT findings in Fahr's disease is discussed in this article. In conclusion, 99(m)Tc-HMPAO brain perfusion SPECT seems to be useful in the clinical approach to Fahr's disease, and may provide more specific and clinically relevant information when compared with anatomical imaging.Publication Metadata only Quantitative shunt imaging in the evaluation of therapeutic surgery in a patient with pulmonary arteriovenous malformation(ELSEVIER SCIENCE INC, 2008) DEDE, FUAT; Ones, Tunc; Dede, Fuat; Erdim, Refik; Erdil, Tanju Yusuf; Inanir, Sabahat; Yuksel, Mustafa; Turoglu, Halil TurgutA case of pulmonary arteriovenous malformation (PAVM) in a 32-year-old woman who underwent successful left upper lobectomy is presented. A whole-body technetium-99m-labeled macro-aggregated albumin scan was used to demonstrate intrapulmonary right-to-left shunt, and shunt fraction was calculated as 39%. The patient underwent a follow-up scan after the operation