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Güler E, Babur Güler G, Yavuz C, Kızılırmak F. An unknown side effect of isotretinoin: pericardial effusion with atrial tachycardia. Anatol J Cardiol 2015; 15:168-9. [PMID: 25625453 PMCID: PMC5337018 DOI: 10.5152/akd.2015.5790] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Özkaya AK, Güler E, Karabel N, Namlı AR, Göksügür Y. Datura stramonium poisoning in a child. Turk J Pediatr 2015; 57:82-84. [PMID: 26613226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Hallucinogenic plant poisoning in children is a significant problem for the emergency physician. We describe the case of a boy who had slurred speech, fever, hallucinations, tachycardia, dilated pupils, confusion and disorientation. He had no history of drug use or toxin intake. All signs and symptoms were improved by supportive therapy within 48 hours. It turned out that the patient had ingested seeds of Datura stramonium in a neighbor's garden two days previously. The medical history should be taken repeatedly in cases of unknown etiology, and physicians should keep in mind the possibility that unexplained anticholinergic toxidromes could be the result of exposure to toxic plants, in particular those containing atropine and atropine derivates.
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Ölmez S, Keten HS, Gençoğlan S, Parlak M, Güler E, Altun H, Çelik M, Sucaklı MH. BOY KISALIĞI OLAN ÇOCUK VE ERGENLERDE DAVRANIM BOZUKLUKLARININ DEĞERLENDİRİLMESİ. ANKARA MEDICAL JOURNAL 2014. [DOI: 10.17098/amj.42301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Keten HS, Ölmez S, Gençoğlan S, Kılıç BD, Ölmez C, Önay H, Kardaş S, Güler E, Çelik M, Sucaklı MH. Primer Enürezis Noktürna Tanılı Çocuk ve Ergenlerde Anksiyete ve Depresyon Belirti Şiddetinin Değerlendirilmesi. ANKARA MEDICAL JOURNAL 2014. [DOI: 10.17098/amj.25971] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Güler E, Karaca O, Kizilirmak F, Babür Güler G, Kiliçaslan F. Near zero fluoroscopy radiation exposure during successful catheter ablation of atrial tachycardia from the non-coronary aortic cusp using 3-dimentional electroanatomic mapping system. ACTA ACUST UNITED AC 2014; 14:556-7. [PMID: 25233506 DOI: 10.5152/akd.2014.5507] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Özkaya AK, Güler E, Arık E, Namlı AR, Cevizli D, Güngör O. A case of congenital insensitivity to pain with anhidrosis. Turk Arch Pediatr 2014; 49:177-9. [PMID: 26078659 DOI: 10.5152/tpa.2014.1549] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Accepted: 12/10/2013] [Indexed: 11/22/2022]
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Gürel S, Gürel E, Kaya Z, Erdal M, Güler E. Effects of Antimitotic Agents on Haploid Plant Production from Unpollinated Ovules of Sugar Beet (Beta VulgarisL.). BIOTECHNOL BIOTEC EQ 2014. [DOI: 10.1080/13102818.2003.10817065] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Güler E, Güler G, Yavuz C, Kızılırmak F. PP-351 An Unknown Side Effect of Isotretinoin: Pericardial Effusion with Atrial Tachycardia. Am J Cardiol 2014. [DOI: 10.1016/j.amjcard.2014.01.381] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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34
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Biteker M, Karaca O, Güler E, Kızılırmak F. [Takotsubo cardiomyopathy]. Turk Kardiyol Dern Ars 2013; 41:570. [PMID: 24364063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023] Open
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35
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Güler GB, Batgerel U, Güler E, Karaca O, Geçmen C, Güneş HM, Aguş HZ, Esen AM, Türkmen MM. Factor XIII Val34Leu polymorphism in patients with cardiac syndrome X. Cardiol J 2013; 21:6-10. [PMID: 23677728 DOI: 10.5603/cj.a2013.0046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2013] [Revised: 04/13/2013] [Accepted: 04/19/2013] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND The aim of the study was to examine the frequency of factor XIII polymorphism among patients with cardiac syndrome X (CSX). METHODS This study was designed as a cross-sectional and observational study. Forty-eight female patients with CSX and 36 controls matched by age, gender, diabetes, and hypertension were studied. CSX was defined as typical chest pain during rest or effort, abnormal test result for exercise ECG, and presence of angiographically normal epicardial coronary arteries after ruling out inducible spasm. Factor XIII gene polymorphism was investigated by using CVD Strip Assay (ViennaLab Diagnostic GmbH) commercial kit. RESULTS The frequency of factor XIII (Val/Leu + Leu/Leu) mutation was significantly higher in patients with CSX (43%) than in controls (19%) (p = 0.02). Frequency of the Leu allele was significantly higher in the patient group (23.5% vs. 11.1%, p = 0.04). Factor XIII (Val/Leu + Leu/Leu) mutation (p = 0.01, OR = 3.42; 95% CI 1.22-9.58) and smoking (p = 0.04, OR = 3.33, 95% CI 1.05-10.58) were identified as independent predictors of the disease in multivariate regression analysis. CONCLUSIONS This study indicates that there is an evidence for association between factor XIII Val34Leu polymorphism and CSX.
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Güler M, Güler E, Kahveci N. Aspects of thermal martensite in a FeNiMnCo alloy. Micron 2010; 41:537-9. [PMID: 20307985 DOI: 10.1016/j.micron.2010.02.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2009] [Accepted: 02/02/2010] [Indexed: 10/19/2022]
Abstract
Thermal martensite characteristics in Fe-29%Ni-2%Mn-2%Co alloy were investigated with scanning electron microscopy (SEM) and Mössbauer spectroscopy characterization techniques. SEM observations obviously revealed the lath martensite morphology in the prior austenite phase of examined alloy. As well, the martensitic transformation kinetics was found to be as athermal type. On the other hand, Mössbauer spectroscopy offered the paramagnetic austenite phase and ferromagnetic martensite phase with their volume fractions. Also, the internal magnetic field of the martensite was measured as 32.9T from the Mössbauer spectrometer.
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Davutoğlu M, Garipardiç M, Güler E, Karabiber H, Erhan D. The etiology of severe neonatal hyperbilirubinemia and complications of exchange transfusion. Turk J Pediatr 2010; 52:163-166. [PMID: 20560252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Exchange transfusion (ECT) has an important role in preventing kernicterus in the treatment of indirect hyperbilirubinemia of the newborn. In present study, the etiology of hyperbilirubinemia and complications of ECT were studied over a five-year period in the Eastern Mediterranean region of Turkey. We describe our experience of 89 ECTs performed from 2003-2008 in 79 newborns with hyperbilirubinemia. The mean gestational age was 37 +/- 2.1 weeks and the mean of peak total bilirubin levels was 28.1 +/- 6.4 mg/dl. The most common cause of hyperbilirubinemia was ABO isoimmunization (38%). Complications of ECT developed in 17 neonates (21.5%), the most common being thrombocytopenia and seizure. None of newborns died secondary to ECT. Our data showed higher morbidity rates associated with ECT in the treatment of hyperbilirubinemia in our region. In order to prevent adverse effects of ECT, serum bilirubin levels should be closely monitored in newborns with ABO immunization.
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Güler E, Sumnu M, Yazan Y, Oner L. Studies on the Microencapsulation of Dextropropoxyphene Hydrochloride. Part 1. Preparation by Coacervation and the in Vitro Evaluation. Drug Dev Ind Pharm 2008. [DOI: 10.3109/03639048909040210] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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39
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Güler E, Koçyiğit Ö. Synthesis and characterization of Ni(II) and Co(II) complexes of Schiff bases derived from 3,4-dimethyl-Δ3-tetrahydrobenzaldehyde and 4,6-dimethyl-Δ3-tetrahydrobenzaldehyde and glycene. RUSS J COORD CHEM+ 2007. [DOI: 10.1134/s1070328407080106] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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40
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Bayazit YA, Balat A, Pakir HI, Güler E, Kanlikama M. Influence of the relapse and remission periods on hearing status in children with minimal change nephrotic syndrome. REVUE DE LARYNGOLOGIE - OTOLOGIE - RHINOLOGIE 2005; 126:171-3. [PMID: 16366385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
OBJECTIVE Minimal change nephrotic syndrome (MCNS) is characterized by the onset of NS (Nephrotic Syndrome) without systemic disease, hypocomplementemia, or other serious signs of renal disease. Hearing status is not very well known in MCNS. Our objective was to address this question and to find out remission and relapse periods of the syndrome would affect the hearing of the patients. METHODS AND PATIENTS Otologic status of 26 children with clinical MCNS was investigated in relapse and remission periods using audiometry and tympanometry. The pure tones that were obtained at the frequencies 250, 500, 1000, 2000, 4000 and 6000 Hz were noted. Pure tone averages (PTAs) were calculated at 500, 1000, 2000 and 4000 Hz frequencies. RESULTS In both remission and relapse periods, PTA of the patients did not change and was 13 dB. The frequency specific pure tone results were not significantly different between the right and left ears of the patients as well as between the remission and relapse periods (p > 0.05). In the relapsing and remission periods, type A tympanogram was encountered in 86.4% and 92.3% of the ears, respectively. Type B tympanogram was encountered in 11.5% and 3.8% of the ears in the relapsing and remission periods, respectively. Type C tympanogram was encountered in 3.8% of the ears both in the relapsing and remission periods. Differences between the tympanometry results were not significant (p > 0.05). CONCLUSION MCNS in childhood is not associated with an alteration in the hearing status, both in remission and relapse periods of the disease.
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Güler E, Kahveci F, Akalin H, Sinirtas M, Bayram S, Özcan B. Crit Care 2004; 8:P210. [DOI: 10.1186/cc2677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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42
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Emir S, Gögüş S, Güler E, Büyükpamukçu M. Kikuchi-Fujimoto disease (histiocytic necrotizing lymphadenitis) confused with lymphoma in a child. MEDICAL AND PEDIATRIC ONCOLOGY 2001; 37:546-8. [PMID: 11745896 DOI: 10.1002/mpo.1251] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Güler E, Varan A, Söylemezoglu F, Ba F, Demirkazik A, Büyyükpamuk M. Extraneural metastasis in a child with atypical teratoid rhabdoid tumor of the central nervous system. J Neurooncol 2001; 54:53-6. [PMID: 11763423 DOI: 10.1023/a:1012540700093] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Atypical teratoid rhabdoid tumor is a distinctive brain tumor appearing in infancy and early childhood. Leptomeningeal dissemination is common, both at presentation and relapse. Extracranial metastases of the central nervous system tumors are rarely seen. To our knowledge there is only one report with an atypical teratoid rhabdoid tumor metastasizing via a ventriculoperitoneal shunt. We describe the first case of atypical teratoid rhabdoid tumor of the central nervous system who developed lung metastasis without the presence of a shunt.
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Abstract
Urticaria pigmentosa is the most common manifestation of mastocytosis, with the majority of cases undergoing spontaneous resolution, especially in children. Several reports have documented hematologic malignancies developing in patients with urticaria pigmentosa. We present a 4.5-year-old boy with urticaria pigmentosa who developed Wilms tumor. To our knowledge, coexisting urticaria pigmentosa and Wilms tumor have not previously been described.
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Kutluk T, Varan A, Caglar K, Güler E, Büyükpamukçu M. Management of obstructive jaundice caused by non-hodgkin lymphoma in children. MEDICAL AND PEDIATRIC ONCOLOGY 2001; 36:669-70. [PMID: 11344506 DOI: 10.1002/mpo.1152] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Caksen H, Güler E, Alper M, Ustünbaş HB. A fatal case of Reye syndrome after varicella and ingestion of aspirin. J Dermatol 2001; 28:286-7. [PMID: 11436370 DOI: 10.1111/j.1346-8138.2001.tb00135.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Genç L, Oğuzlar C, Güler E. Studies on vaginal bioadhesive tablets of acyclovir. DIE PHARMAZIE 2000; 55:297-9. [PMID: 10798244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Bioadhesive vaginal tablets were prepared using poly(acrylic acid) (PAA); Methylcellulose (MC), carboxymethyl cellulose (CMC), hydroxypropyl cellulose (HPC) and hydroxypropylmethyl cellulose (HPMC) as bioadhesive polymers in different concentrations and acyclovir as drug by direct compression technique (DCT) and wet granulation technique (WGT). Physical tests were applied to the tablets. The swelling behavior of vaginal tablets in distilled water, lactic solution and cow vagina, acyclovir release rate in lactic solution and bioadhesion to vaginal mucosa in cow vagina, in situ, were investigated. Swelling of the tablets containing HPC, CMC and MC was very rapid and caused disintegration of the tablets. The swelling behaviour of the tablets containing HPMC lasted 6 h in lactic solution. The force (N) necessary to detach the tablets from the vaginal tissue was found to depend on concentration and type of the bioadhesive polymer. The tablets containing HPMC needed the most detachment force.
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Genç L, Bilaç H, Güler E. Studies on controlled release dimenhydrinate from matrix tablet formulations. PHARMACEUTICA ACTA HELVETIAE 1999; 74:43-9. [PMID: 10748623 DOI: 10.1016/s0031-6865(99)00017-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
In this study, controlled release dosage forms of dimenhydrinate were prepared with different polymers as MC, HEC, Carbopol 934, Eudragit RLPM and Eudragit NE 30 D at different concentrations (2.5-10%). Direct compression (DC) and wet granulation (WG) techniques were used to prepare the tablets. Magnesium stearate was the lubricant while starch gel was the binder. For the quality control of tablets prepared according to 11 different formulations, weight deviation, hardness, friability, diameter-height ratio, content uniformity of the active substance and in vitro dissolution techniques were performed. Dissolution rate of these tablets was controlled by USP XXII dissolution method and the profile of each tablet was plotted and only for F 5 was evaluated kinetically.
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Yetgin S, Gürgey A, Tuncer AM, Cetin M, Ozbek N, Sayli T, Güler E, Kara A, Olcay L, Duru F, Gümrük F, Atahan L, Tunçbilek E. A comparison of the effect of high-dose methylprednisolone with conventional-dose prednisolone in acute lymphoblastic leukemia patients with randomization. Leuk Res 1998; 22:485-93. [PMID: 9678714 DOI: 10.1016/s0145-2126(98)00003-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
In this preliminary study the efficacy of high-dose methylprednisolone (HDMP) during remission-induction chemotherapy was evaluated on 166 children with acute lymphoblastic leukemia (ALL). The St. Jude Total Therapy Study XI protocol with minor modifications was used in this trial. Patients were randomized into two groups. Group A received conventional-dose (2 mg/kg/day orally) prednisolone, and group B received high-dose methylprednisolone (HDMP, Prednol-L, 900-600 mg/m2 orally) during remission-induction chemotherapy. Complete remission was achieved in 97% of the children. For the 80 patients who were followed up for 3 years, median follow-up was 44 (range 5-60) months and the 3-year event-free survival (EFS) rate was 68.5%) overall, 58.6% in group A and 78.4% in group B. The EFS among patients in group B was significantly higher than in group A (p=0.05). When we compared the 3-year EFS of groups A and B in the high-risk groups and high-risk subgroups with white blood cell (WBC) counts > or = 50 x 10(9)/l and age > or = 10 years, the survival rates were 45% versus 77.2%, 33% versus 78% and 45% versus 89%, respectively. During the follow-up of 162 patients, relapses were significantly higher in group A. Bone marrow relapses in 162 patients, and also in a subgroup of patients > or = 10 years of age were significantly higher in group A. These results suggest that HDMP during remission-induction chemotherapy improves long-term EFS, particularly for high-risk patients.
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Genç L, Demirel M, Güler E, Hegazy N. Microencapsulation of ketorolac tromethamine by means of a coacervation-phase separation technique induced by the addition of non-solvent. J Microencapsul 1998; 15:45-53. [PMID: 9463806 DOI: 10.3109/02652049809006834] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Ketorolac tromethamine (KT) is a non-steroidal drug with potent analgesic and anti-inflammatory activity and is absorbed rapidly (Tmax < 1.0 h) with an efficiency > 87% following oral and intramuscular administration. The plasma half-life of ketorolac ranges from 1.1 to 6.0 h. Its oral bioavailability is estimated to be 80%. Ketorolac has been found 36 times more potent than phenylbutazone, approximately twice as potent as indomethacin, and three times more potent than naproxen in suppressing carrageenan-induced paw oedema in rat. In this study, microcapsules of KT were prepared by means of coacervation-phase separation technique induced by the addition of non-solvent, and release rates from microcapsules were studied. Eudragit S100 was used as the coating material. Coacervation was achieved by the addition of cyclohexane at 2 ml/min at 25 degrees C and 1:4 solvent: non-solvent ratio was used. The microcapsules were washed with cyclohexane to harden the wall and dried at room temperature. Microcapsules with core:wall ratio of 1:1 and 1:2 were prepared and the particles obtained by sieving with an average diameter of 177-500 microns were used. The yield was calculated and the release properties of KT were investigated by USP XXII paddle method and using UV spectrophotometry at 318 and 323 nm.
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