45 results on '"Altug N"'
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2. The Convention and the Consequences of the 8th European Donor Day in Istanbul, Turkey
- Author
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Bozoklar, A., Cakiroglu, A., Altug, N., and Alyanak, S.
- Published
- 2008
- Full Text
- View/download PDF
3. Effeciency of Various Supportive Treatments as A Cure for Anaemia in Cattle with Theileriosis
- Author
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Altug, N., Yüksek, N., Keles, I., Özkan, C., Yörük, I. H., and Sezai Arslan
- Abstract
The purpose of this study was to investigate the efficiency of various supportive treatments on the restoration of anaemia in theileriosis. A total of 20 cattle infected with theileriosis received intramuscularly a single dose of buparvaquone (2.5 mg/kg(-1) bw) and were divided into 4 equal groups according to the different therapy options: whereas no supportive treatment was applied in group 1, administrations of vitamin B complex, antioxidant vitamins (A, D, E and C), minerals and trace elements were performed in groups 2, 3 and 4, respectively. Haematological parameters, serum concentrations of antioxidant vitamins, minerals and trace elements as well as serum glutathion peroxidase (GSH-Px) and superoxide dismutase (SOD) activities were determined before treatment and 7 days after in infected animals and compared to control values from 10 healthy cattle. In the theileriosis affected cattle, remarkable decreases in haematocrit values, haemoglobinaemia and platelet counts were associated to decreased serum alpha- / gamma-tocopherol, vitamin C, vitamin B-12, Ca, Mg, Zn, Na, GSH-Px and SOD levels and to increased sideraemia. The iron concentrations remained elevated and some antioxidants (alpha- / gamma-tocopherol and vitamin C concentrations and GSH-Px and SOD activities) decreased in all treated cattle. Haematocrit values, haemoglobinaemia and vitamin B-12 concentrations also remained depressed but maximal increases were recorded in cattle receiving vitamins B as supportive therapy (group 2). In parallel, platelet numeration was significantly restored in all groups, but specifically in group 2. On the other hand, the maximal increases in alpha-tocopherol and Zn concentrations recorded in groups 3 and 4, respectively, were not associated with cure of anaemia. These results show that the most efficient supportive therapy in the cure of anaemia during theileriosis was vitamin B administration.
- Published
- 2014
4. Enhancement of the glucose metabolism and the reverse cholesterol transport by a peroxisome proliferator receptor alpha (PPAR alpha) agonist included in the fasciolosis treatment in naturally infested sheep
- Author
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Yuksek, N., Altug, N., Denizhan, V., Ebubekir Ceylan, and Agaoglu, Z.
- Subjects
lipids (amino acids, peptides, and proteins) - Abstract
The purpose of this study was to investigate the effects of PPAR alpha agonist on metabolic parameters in naturally Fasciola-infected sheep. Twenty sheep with fasciolosis were allotted in 2 equal groups according to the received treatment (triclabendazole/levamisole in the group I and triclabendazole/levamisole + PPAR alpha agonist (2-methyl-2-phenoxy-propionic acid) in the group II) and the haematological and biochemical parameters were assessed before the treatment and 7, 14 and 28 days after and were compared to control values determined from 10 healthy sheep. As expected, fasciolosis has induced an anaemia evidenced by low haematocrit and low haemoglobinemia coupled to eosinophilia and to a moderate lymphopenia, severe liver damage characterised by hepatocyte degenerescence (significant increases in serum AST and GDH activities) and bile duct obstruction (significant increases in serum GGT activity and in serum bile acid concentrations) leading to impairement in liver metabolic functions (hypoalbuminemia, marked decreases in serum glucose concentrations and in LDL associated cholesterol concentrations). All the heamatological and biochemical alterations were at least partially alleviated by the antihelminthic treatment except the serum triglyceride concentrations which have continued to decrease during the post-treatment period and the total cholesterol and HDL associated cholesterol concentrations which have markedly increased, particularly when sheep were also treated with the PPAR alpha agonist. These results clearly demonstrated the severe metabolic liver impairment occurring during fasciolosis in sheep and the beneficial effects of the PPAR alpha agonist on the correction of the negative energy balance, particularly by promoting the reverse cholesterol transport.
- Published
- 2013
5. A preterm infant with prolonged respiratory problems due to Ritscher-Schinzel syndrome
- Author
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Yurttutan S, Mehmet Yekta ONCEL, Yurttutan N, Altug N, Erdeve O, and Dilmen U
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Craniofacial Abnormalities ,Respiratory Distress Syndrome, Newborn ,Infant, Newborn ,Humans ,Abnormalities, Multiple ,Female ,Infant, Premature, Diseases ,Dandy-Walker Syndrome ,Heart Septal Defects, Atrial ,Infant, Premature ,Bronchopulmonary Dysplasia - Abstract
Ritscher-Schinzel also known as cranio-cerebello-cardiac (3C) syndrome is a very rare clinical entity. The striking features of this syndrome are cerebellar, cardiac and craniofacial abnormalities. Life threatening features of this syndrome are generally associated with cardiac abnormalities. We here present prolonged respiratory problems due to pulmonary hypertension in a preterm baby with Ritscher-Schinzel syndrome.
- Published
- 2012
6. RETRACTED: Simulated Donor Family Encounters at Organ Transplantation Coordinators In-service Training Course: Process and Impact Evaluation
- Author
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Karabilgin, O.S., primary, Altug, N., additional, Caliskan, S.A., additional, Bozoklar, C.A., additional, Durak, H.I., additional, and Demiral-Yilmaz, N., additional
- Published
- 2015
- Full Text
- View/download PDF
7. Evaluation of Homocysteine, Troponin I, and Nitric Oxide in Lambs with Subclinical Nutritional Myodegeneration
- Author
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KOZAT, Süleyman, Özkan , Cumali, ALTUG, N., and YÜKSEK, Nazmi
- Published
- 2010
8. Feline Retrovirus Enfeksiyonlu Van Kedilerinde Azalan Serum Adenozin Deaminaz Aktiviteleri
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ALTUG, N., Özkan , Cumali, AGAOGLU, ZAHID TEVFIK, and YÜKSEK, Nazmi
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- 2007
9. Rupture of Gastrocnemius Muscle in a Cow Gave Twin Birth
- Author
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İlhan, FATMA, AGAOGLU, ZAHID TEVFIK, KELEŞ, IHSAN, Yüksek, Nazmi, Özkan , Cumali, ALTUG, N., and Karasu, Abdullah
- Published
- 2007
10. Dose Dependent Effectiveness of Topical Selamectin on Puppies with Ascaridiosis
- Author
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Göz, Yaşar, YÜKSEK, Nazmi, ALTUG, N., Özkan , Cumali, KAYA, Abdullah, and AĞAOĞLU, ZAHID T.
- Published
- 2006
11. The effect of maternal betamethasone administration on Doppler flow velocity parameters of the fetal branch pulmonary artery
- Author
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Ustunyurt, O. B., primary, Ustunyurt, E., additional, Korkmazer, E., additional, Altug, N., additional, Bilge, U., additional, and Danisman, N., additional
- Published
- 2014
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12. Preparation and evaluation of bromocryptine mesylate-polydimethylsiloxane matrices
- Author
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Altug, N and Acarturk, FÜSUN
- Abstract
The aims of the present study were to characterize the compatibility of silicone polymers with bromocryptine mesylate and excipients and to investigate the in vitro release characteristics of the drug from polydimethylsiloxane matrices. Silicon elastomers, MDX-4-4210 and A-2186, were chosen as polymer materials. Compatibility studies of polymers with drug and Various liquid and solid excipients such as propylene glycol, polyethylene glycol, glycerol, sorbitan monolaurat, polysorbate 20, polysorbate 80, polyvinylpyrrolidone, citric acid, lactose, sodium chloride and low-molecular-weight gelatin were carried out. After the macroscopic examination of the excipient-polymer formulations, sorbitan monolaurat, propylene glycol, lactose, sodium chloride, citric acid and low molecular weight gelatin were chosen for investigation of the effect of these materials on drug release. Cylinder-shaped drug polymer matrices were prepared for the drug release studies. The best release profile was obtained with the formulation containing MDX-4-4210, 10% of propylene glycol and a kneading mixture of drug: low-molecular-weight gelatine in a ratio of 1 : 3.
- Published
- 2000
13. Studies on Some Antioxidant Vitamin Concentrations in Lambs with Stiff-Lamb Disease
- Author
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ALTUG, N., Keleş, H, Keleş, İhsan, Dede, Semiha, and Değer, Yeter
- Published
- 2000
14. 1123 Do Patent Ductus Arteriosus and its Treatment with Oral Ibuprofen Affect Renal and Mesenteric Tissue Oxygenation in Preterm Infants?
- Author
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Guzoglu, N., primary, Sari, F., additional, Ozdemir, R., additional, Oguz, S., additional, Uras, N., additional, Altug, N., additional, and Dilmen, U., additional
- Published
- 2012
- Full Text
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15. 1121 An Alternative Drug (Paracetamol) in the Management of Patent Ductus Arteriosus in Ibuprofen Resistant or Contraindicated Preterm Infants
- Author
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Oncel, M., primary, Yurttutan, S., additional, Uras, N., additional, Altug, N., additional, Ozdemir, R., additional, Ekmen, S., additional, Erdeve, O., additional, and Dilmen, U., additional
- Published
- 2012
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16. A Case of Maternal Phenylketonuria Syndrome Presenting With Unilateral Renal Agenesis
- Author
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Gokmen, T., primary, Oguz, S. S., additional, Altug, N., additional, Akar, M., additional, Erdeve, O., additional, and Dilmen, U., additional
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- 2010
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17. Simulated Donor Family Encounters at Organ Transplantation Coordinators In-service Training Course: Process and Impact Evaluation.
- Author
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Karabilgin, O.S., Altug, N., Caliskan, S.A., Bozoklar, C.A., Durak, H.I., and Demiral-Yilmaz, N.
- Subjects
- *
TRANSPLANTATION of organs, tissues, etc. , *PSYCHODIAGNOSTICS , *COMMUNICATIVE competence , *TRAINING , *SIGNALING (Psychology) - Abstract
Objective The study was aimed at introducing the modified version of the organ transplantation coordinator course including simulated donor family encounters (SDFEs), communication skills, and evaluating the participants' opinions, achievement levels, and how they implemented what they learned in the course in their work settings. Methods The course was modified using the ADDIE (analysis, design, development, implementation, and evaluation) model and was evaluated in three steps: The participants' views were obtained using the course overall evaluation form and communication skills evaluation form, their success was assessed with the post-test and SDFEs evaluation form, and the effects of what they learned during the course on their work settings were assessed through phone interviews. At this step, the participants were asked to write letters about the targets they intended to achieve in their work settings. The letters were analyzed with the content analysis method, and a questionnaire consisting of 105 targets was developed. A year later the participants were telephoned and asked to what extent they achieved their targets. Results The participants' satisfaction from the whole course was high (x: 8.65 ± 1.06). In the communication skills evaluation form, the participants stated that they would mainly use their communication and empathy skills during donor family encounters. The participants' mean post-test score was high (x: 96.0 ± 3.8). During the SDFEs, 70% of the respondents' performance was considered sufficient. Telephone interviews conducted with the questionnaire revealed that 77.6% of the targets were fulfilled. Conclusion It can be said that the course affected the participants in terms of implementing their knowledge and communication skills related to family encounters. [ABSTRACT FROM AUTHOR]
- Published
- 2015
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18. A PCR method with internal control for detection of Brucella spp. from bovine abortion samples.
- Author
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SOLMAZ, H., CANTEKIN, Z., ALTUG, N., ILHAN, Z., ASLAN, S., and ERGUN, Y.
- Abstract
The article discusses a study on Brucella spp. detection from bovine abortion samples using a polymerase chain reaction (PCR) method. Topics include a description of Brucella, the three different primer pairs used to detect the species, and an overview and analysis of the results. Also presented are images of the primers, simplex and multiplex PCR assay.
- Published
- 2014
19. Quantitation of Doppler color flow jet areas for mitral regurgitation in children: angiographic correlation
- Author
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Dilek, L., Atalay, S., Gumus, H., Imamoglu, A., Tutar, E., and Altug, N.
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- 1999
- Full Text
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20. Prevalence of cryptosporidium infection in Van cats
- Author
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Goz, Yr, Yuksek, N., Altug, N., Ebubekir Ceylan, and Deger, S.
- Subjects
animal diseases ,parasitic diseases - Abstract
Cryptosporidium infection is a zoonotic disease caused by Cryptosporidium spp. and transmitted by faecal-oral cycle. Young animals are most likely to develop symptomatic infections and shed high quantities of infective oocysts. But infection in adult animals is asymptomatic and number of oocysts shed is usually very fewer than from young animals. (Bukhari and Smith, 1999). The aim of present study was to investigate the prevalence of Cryptosporidium spp. in Turkish Van Cats.
21. Does ibuprofen treatment in patent ductus arteriosus alter oxygen free radicals in premature infants?
- Author
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Akar M, Yildirim TG, Sandal G, Bozdag S, Erdeve O, Altug N, Uras N, Oguz SS, and Dilmen U
- Subjects
- Administration, Oral, Anti-Inflammatory Agents, Non-Steroidal administration & dosage, Antioxidants metabolism, Biomarkers blood, Dose-Response Relationship, Drug, Ductus Arteriosus, Patent blood, Female, Follow-Up Studies, Gestational Age, Humans, Infant, Newborn, Infusions, Intravenous, Male, Prospective Studies, Ductus Arteriosus, Patent drug therapy, Ibuprofen administration & dosage, Infant, Premature, Oxidative Stress drug effects, Reactive Oxygen Species blood
- Abstract
Introduction Ibuprofen is used widely to close patent ductus arteriosus in preterm infants. The anti-inflammatory activity of ibuprofen may also be partly due to its ability to scavenge reactive oxygen species and reactive nitrogen species. We evaluated the interaction between oxidative status and the medical treatment of patent ductus arteriosus with two forms of ibuprofen. Materials and methods This study enrolled newborns of gestational age ⩽32 weeks, birth weight ⩽1500 g, and postnatal age 48-96 hours, who received either intravenous or oral ibuprofen to treat patent ductus arteriosus. Venous blood was sampled before ibuprofen treatment from each patient to determine antioxidant and oxidant concentrations. Secondary samples were collected 24 hours after the end of the treatment. Total oxidant status and total antioxidant capacity were measured using Erel's method., Results: This prospective randomised study enrolled 102 preterm infants with patent ductus arteriosus. The patent ductus arteriosus closure rate was significantly higher in the oral ibuprofen group (84.6 versus 62%) after the first course of treatment (p=0.011). No significant difference was found between the pre- and post-treatment total oxidant status and total antioxidant capacity in the groups. Discussion Ibuprofen treatment does not change the total oxidant status or total antioxidant capacity. We believe that the effect of ibuprofen treatment in inducing ischaemia overcomes the scavenging effect of ibuprofen.
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- 2017
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22. Coexistence of Fetal Cardiac Malformation and Maternal Drug-Induced Lupus: Is Lamotrigine Safe?
- Author
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Degirmencioglu H, Sari FN, Alyamac Dizdar E, Say B, Altug N, Uras N, Canpolat FE, and Oguz SS
- Subjects
- Anticonvulsants administration & dosage, Anticonvulsants adverse effects, Epilepsy complications, Epilepsy drug therapy, Female, Humans, Infant, Newborn, Lamotrigine, Pregnancy, Pregnancy Complications drug therapy, Triazines administration & dosage, Aortic Coarctation chemically induced, Heart Septal Defects, Ventricular chemically induced, Lupus Erythematosus, Systemic chemically induced, Triazines adverse effects
- Abstract
Lamotrigine (LTG) is a widely used second-generation antiepileptic drug for long-term therapy of epileptic patients. Although LTG monotherapy during pregnancy is assumed to be relatively safe, teratogenic effects related to LTG has been reported previously. The presence of fetal malformations and maternal drug-induced lupus erythematosus concurrently in a pregnant women using LTG have not been reported before. We herein report a term infant with coarctation of aorta and ventricular septal defect, who was born to a mother treated with LTG for epilepsy before conception and throughout pregnancy. The mother was diagnosed with drug-induced lupus erythematosus at the 36th gestational week, and the symptoms resolved after discontinuation of the drug. Fetal cardiac anomalies should be searched in mothers who were exposed to LTG during pregnancy.
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- 2016
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23. Withdrawn: Simulated Donor Family Encounters at Organ Transplantation Coordinators In-service Training Course: Process and Impact Evaluation.
- Author
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Karabilgin OS, Altug N, Caliskan SA, Bozoklar CA, Durak HI, and Demiral-Yilmaz N
- Abstract
Objective: The study was aimed at introducing the modified version of the organ transplantation coordinator course including simulated donor family encounters (SDFEs), communication skills, and evaluating the participants' opinions, achievement levels, and how they implemented what they learned in the course in their work settings., Methods: The course was modified using the ADDIE (analysis, design, development, implementation, and evaluation) model and was evaluated in three steps: The participants' views were obtained using the course overall evaluation form and communication skills evaluation form, their success was assessed with the post-test and SDFEs evaluation form, and the effects of what they learned during the course on their work settings were assessed through phone interviews. At this step, the participants were asked to write letters about the targets they intended to achieve in their work settings. The letters were analyzed with the content analysis method, and a questionnaire consisting of 105 targets was developed. A year later the participants were telephoned and asked to what extent they achieved their targets., Results: The participants' satisfaction from the whole course was high (x: 8.65 ± 1.06). In the communication skills evaluation form, the participants stated that they would mainly use their communication and empathy skills during donor family encounters. The participants' mean post-test score was high (x: 96.0 ± 3.8). During the SDFEs, 70% of the respondents' performance was considered sufficient. Telephone interviews conducted with the questionnaire revealed that 77.6% of the targets were fulfilled., Conclusion: It can be said that the course affected the participants in terms of implementing their knowledge and communication skills related to family encounters., (Copyright © 2015 Elsevier Inc. All rights reserved.)
- Published
- 2015
- Full Text
- View/download PDF
24. Drug resistant fetal arrhythmia in obstetric cholestasis.
- Author
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Altug N, Kirbas A, Daglar K, Biberoglu E, Uygur D, and Danisman N
- Abstract
Obstetric cholestasis (OC) is a pregnancy specific liver disease characterized by increased levels of bile acid (BA) and pruritus. Raised maternal BA levels could be associated with intrauterine death, fetal distress, and preterm labor and also alter the rate and rhythm of cardiomyocyte contraction and may cause fetal arrhythmic events. We report a case of drug resistant fetal supraventricular tachycardia and concomitant OC. Conclusion. If there are maternal OC and concomitant fetal arrhythmia, possibility of the resistance to antiarrhythmic treatment should be kept in mind.
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- 2015
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25. An unusual cause of refractory persistent pulmonary hypertension of the newborn: anomalous origin of one pulmonary artery.
- Author
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Guzoglu N, Sari FN, and Altug N
- Subjects
- Female, Humans, Infant, Newborn, Hypertension, Pulmonary etiology, Pulmonary Artery abnormalities
- Abstract
Persistent pulmonary hypertension of the newborn is a source of considerable mortality and morbidity. Anomalous origin of one pulmonary artery, an uncommon congenital cardiac malformation, is a rare cause of persistent pulmonary hypertension. Here, we report the case of a patient with an anomalous origin of one pulmonary artery from the innominate artery who presented with persistent pulmonary hypertension refractory to treatment.
- Published
- 2014
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26. Oral paracetamol versus oral ibuprofen in the management of patent ductus arteriosus in preterm infants: a randomized controlled trial.
- Author
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Oncel MY, Yurttutan S, Erdeve O, Uras N, Altug N, Oguz SS, Canpolat FE, and Dilmen U
- Subjects
- Administration, Oral, Ductus Arteriosus, Patent diagnostic imaging, Ductus Arteriosus, Patent surgery, Humans, Infant, Newborn, Infant, Premature, Ligation statistics & numerical data, Prospective Studies, Ultrasonography, Acetaminophen therapeutic use, Cyclooxygenase Inhibitors therapeutic use, Ductus Arteriosus, Patent drug therapy, Ibuprofen therapeutic use
- Abstract
Objective: To compare the efficacy and safety of oral paracetamol and oral ibuprofen for the pharmacological closure of patent ductus arteriosus (PDA) in preterm infants., Study Design: This prospective, randomized, controlled study enrolled 90 preterm infants with gestational age ≤ 30 weeks, birthweight ≤ 1250 g, and postnatal age 48 to 96 hours who had echocardiographically confirmed significant PDA. Each enrolled patient received either oral paracetamol (15 mg/kg every 6 hours for 3 days) or oral ibuprofen (initial dose of 10 mg/kg, followed by 5 mg/kg at 24 and 48 hours)., Results: Spontaneous closure rate for the entire study group was 54%. After the first course of treatment, the PDA closed in 31 (77.5%) of the patients assigned to the oral ibuprofen group vs 29 (72.5%) of those enrolled in the oral paracetamol group (P = .6). The reopening rate was higher in the paracetamol group than in the ibuprofen group, but the reopening rates were not statistically different (24.1% [7 of 29] vs 16.1% [5 of 31]; P = .43). The cumulative closure rates after the second course of drugs were high in both groups. Only 2 patient (2.5%) in the paracetamol group and 3 patients (5%) in the ibuprofen group required surgical ligation., Conclusion: This randomized, controlled clinical study compared oral paracetamol with ibuprofen in preterm infants and demonstrated that paracetamol may be a medical alternative in the management of PDA., (Copyright © 2014 Mosby, Inc. All rights reserved.)
- Published
- 2014
- Full Text
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27. Renal and mesenteric tissue oxygenation in preterm infants treated with oral ibuprofen.
- Author
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Guzoglu N, Sari FN, Ozdemir R, Oguz SS, Uras N, Altug N, and Dilmen U
- Subjects
- Ductus Arteriosus, Patent complications, Ductus Arteriosus, Patent drug therapy, Gestational Age, Hemodynamics drug effects, Humans, Infant, Newborn, Infant, Premature, Infant, Premature, Diseases drug therapy, Oxygen, Oxygen Consumption drug effects, Anti-Inflammatory Agents, Non-Steroidal therapeutic use, Ductus Arteriosus, Patent physiopathology, Ibuprofen therapeutic use, Infant, Premature, Diseases physiopathology, Kidney blood supply, Mesentery blood supply
- Abstract
Background: Hemodynamically significant patent ductus arteriosus (PDA) is a common problem in preterm infants which often causes significant morbidities. Although PDA induces alterations in various tissue perfusion, there is scarce information about the effect of oral ibuprofen on hemodynamics of regional tissues., Objective: To investigate, using near-infrared spectroscopy, the effect of oral ibuprofen on renal and mesenteric tissue oxygenation and oxygen extraction in preterm infants with a diagnosis of hemodynamically significant PDA., Patients and Methods: Fifteen infants (gestational age <32 weeks) with the diagnosis of hemodynamically significant PDA treated with oral ibuprofen were monitored for near-infrared spectroscopy - determined renal and mesenteric oxygenation. The infants with PDA were matched for gestational age, postnatal age with infants without PDA, who served as control subjects., Results: In infants with PDA, mean arterial blood pressure was significantly lower compared with the control infants [39.3 (range:36-54) versus 51 (range:43-66) mmHg, respectively; p < 0.001)]. There were no significant differences in regional oxygen saturation and fractional oxygen extraction of renal and mesenteric tissues in PDA and control infants (p > 0.05). And ibuprofen treatment did not negatively influence renal and mesenteric oxygenation and extraction in infants with PDA (p > 0.05)., Conclusion: Renal and mesenteric tissue oxygenation and oxygen extraction were preserved in preterm infants with a diagnosis of hemodynamically significant PDA treated with oral ibuprofen.
- Published
- 2014
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28. Effects of red cell transfusion on cardiac output and perfusion index in preterm infants.
- Author
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Kanmaz HG, Sarikabadayi YU, Canpolat E, Altug N, Oguz SS, and Dilmen U
- Subjects
- Hematocrit, Humans, Infant, Newborn, Infant, Premature, Lactic Acid blood, Anemia, Neonatal therapy, Cardiac Output, Erythrocyte Transfusion, Infant, Premature, Diseases therapy
- Abstract
Objective/aim: The present investigation was designed to study the effect of blood transfusion on cardiac output and perfusion index. The aim was to demonstrate a relationship between hematocrit, lactate, cardiac output and perfusion index in anemic preterm infants and to investigate significant changes in these parameters induced by RBC transfusion., Methods: Anemic infants who were under 35 weeks of gestational age (GA) and were in a stable clinical condition without respiratory or cardiac problems, signs of sepsis, or renal disease at the time of investigation were enrolled in the study. Enrolled infants received 15 ml/kg pure red blood cells over 4 h. Hematocrit and lactate levels were studied before and after transfusion. Cardiac output was measured by an ultrasound device (USCOM 1A) and perfusion index was monitored by pulse oximeter (MasimoRad7)., Results: Cardiac output decreased by 9% (p < 0.05), due to decrease in heart rate by 10% (p < 0.05) and stroke volume significantly by 5% (p < 0.05) both in left and right sided cardiac measurements. Perfusion index significantly increased and lactate levels significantly decreased after transfusion (p < 0.05). Htc was inversely correlated with lactate levels, HR, CI and CO (r = -0.33, p = 0.01; r = -0.53, p = 0; r = -0.37, p = 0.004, r = -0.28, p = 0.03). PI was not significantly correlated with Htc levels before and after transfusion (r = 0.07, p = 0.7 and r = 0.007, p =0.97)., Conclusion: Our data support that heart rate, CO and CI and lactate levels increased as a response to anemia in preterm infants and RBC transfusion improved perfusion index suggesting better tissue oxygenation., (Copyright © 2013 Elsevier Ltd. All rights reserved.)
- Published
- 2013
- Full Text
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29. Echogenic focus in the fetal left ventricular cavity: is it a false tendon?
- Author
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Altug N and Danisman AN
- Subjects
- Adult, Diagnosis, Differential, Echocardiography, Doppler, Female, Humans, Pregnancy, Ultrasonography, Prenatal, Fetal Heart abnormalities, Fetal Heart diagnostic imaging, Heart Ventricles abnormalities, Heart Ventricles diagnostic imaging
- Abstract
Objective: To draw attention to the left ventricular false tendon which can be misinterpreted as echogenic focus in the fetus., Methods: The study group consisted of 9 fetuses out of the 161 who had been misdiagnosed for left ventricular false tendon as echogenic focus by obstetricians. Fetal echocardiography and 2-D color Doppler echocardiography were performed in the pre-postnatal period. The standard fetal echocardiographic views (4,5 chamber views, long axis view of the left ventricle, short axis view of the ventricles and great arteries, three vessels and trachea view, long axis views of the duct and aortic arch) were obtained for each case., Results: Of the 161 fetuses with echogenic focus in the left ventricle which underwent fetal echocardiography, 9 (5.6%) were diagnosed with false tendons present in the left ventricular cavity with no other cardiovascular anomaly. Six out of 9 patients underwent amniocentesis as follows: for age of over 35 years (two patients), abnormal double-triple screening tests plus echogenic focus (two patients) and soft ultrasonographic markers including echogenic focus (two patients). These fetuses revealed no cardiovascular and other systemic pathology or dysmorphism except for false tendons in the left ventricular cavity., Conclusion: False tendon should be taken into account as differential diagnosis of left ventricular echogenic focus in the fetus. Misinterpretation of false tendon as echogenic focus may cause unnecessary fetal invasive approach and maternal anxiety, especially when it arises with a background of borderline fetal findings and knowledge., (Copyright © 2013 Elsevier Ltd. All rights reserved.)
- Published
- 2013
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30. A different first-choice drug in the medical management of patent ductus arteriosus: oral paracetamol.
- Author
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Yurttutan S, Oncel MY, Arayicı S, Uras N, Altug N, Erdeve O, and Dilmen U
- Subjects
- Administration, Oral, Humans, Infant, Newborn, Infant, Premature, Prospective Studies, Acetaminophen therapeutic use, Analgesics, Non-Narcotic therapeutic use, Ductus Arteriosus, Patent drug therapy, Infant, Premature, Diseases drug therapy
- Abstract
Background and Objectives: Patent ductus arteriosus (PDA) is a significant cause of morbidity and mortality in preterm infants. This case series was conducted to investigate the usefulness of paracetamol as a first choice for the treatment of PDA in preterm infants., Subjects and Methods: Preterm infants were prospectively enrolled. Treatment with oral paracetamol was started at a dose of 15 mg/kg every 6 h for 3 d, with echocardiographic evaluation performed at the end of the treatment and 2 d after the treatment. Serum paracetamol levels were also evaluated for 24 h after the first dose to ensure the absorption and reaching the therapeutic level., Results: A total of six preterm infants were prospectively enrolled. Five infants with PDA were successfully treated with oral paracetamol. Only one patient did not respond to paracetamol treatment whereas another one received a second cure due to reopening of the ductus., Conclusion: Paracetamol may be a useful treatment option for the primer treatment of PDA in preterm infants. If paracetamol is shown to be effective in a large series, because of low risk of side effects, low cost and preparation is available in enteral form, it may be an advantageous alternative at PDA treatment.
- Published
- 2013
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31. Serum ibuprofen levels of extremely preterm infants treated prophylactically with oral ibuprofen to prevent patent ductus arteriosus.
- Author
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Kanmaz G, Erdeve O, Canpolat FE, Oğuz SS, Uras N, Altug N, Greijdanus B, and Dilmen U
- Subjects
- Administration, Oral, Anti-Inflammatory Agents, Non-Steroidal administration & dosage, Anti-Inflammatory Agents, Non-Steroidal adverse effects, Anti-Inflammatory Agents, Non-Steroidal blood, Female, Humans, Ibuprofen administration & dosage, Ibuprofen adverse effects, Infant, Newborn, Male, Anti-Inflammatory Agents, Non-Steroidal therapeutic use, Ductus Arteriosus, Patent drug therapy, Ductus Arteriosus, Patent prevention & control, Ibuprofen blood, Ibuprofen therapeutic use, Infant, Extremely Premature blood
- Abstract
Aim: The aim of this study was to explore the effects of early oral ibuprofen administration on the incidence of hemodynamically significant patent ductus arteriosus (hsPDA) and define the association between serum ibuprofen levels and ductal closure., Method: Preterm infants with a gestational age of <28 weeks and/or birth weight of <1,000 g were randomized either to the intervention (ibuprofen prophylaxis) or control group. The intervention group received oral ibuprofen 10 mg/kg within 12-24 h after birth followed by 5 mg/kg at 24 and 48 h. Serum ibuprofen levels after the treatment were analyzed in the intervention group, and the incidence of hsPDA and complication rates were compared between two groups., Results: Nineteen infants who received one course (three doses) of prophylactic ibuprofen in the intervention group and 17 infants in the control group who underwent an echocardiographic examination on the fourth day of life were analyzed. hsPDA was observed in five (26 %) infants in the intervention group and ten (58 %) infants in the control group (p = 0.09). In the intervention group two infants experienced gastrointestinal bleeding two infants had spontaneous intestinal perforation, and two infants developed acute kidney failure. Mean serum ibuprofen level was 28.7 ± 16.9 mg/L in the intervention group, and there was no correlation between ibuprofen level obtained on the fourth day and ductal closure., Conclusion: Oral ibuprofen prophylaxis reduces the rates of hsPDA even it is not statistically significant. The ductal closure rate did not correlate with serum ibuprofen levels. Due to high prevalence of adverse events observed, our data do not support the use of oral ibuprofen for prophylaxis of hsPDA.
- Published
- 2013
- Full Text
- View/download PDF
32. An alternative drug (paracetamol) in the management of patent ductus arteriosus in ibuprofen-resistant or contraindicated preterm infants.
- Author
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Oncel MY, Yurttutan S, Uras N, Altug N, Ozdemir R, Ekmen S, Erdeve O, and Dilmen U
- Subjects
- Acetaminophen administration & dosage, Analgesics, Non-Narcotic administration & dosage, Contraindications, Drug Resistance, Humans, Ibuprofen pharmacology, Infant, Newborn, Infant, Premature, Infant, Premature, Diseases drug therapy, Acetaminophen therapeutic use, Analgesics, Non-Narcotic therapeutic use, Ductus Arteriosus, Patent drug therapy
- Published
- 2013
- Full Text
- View/download PDF
33. Femoral hypoplasia-unusual facies syndrome with renal agenesis and patent ductus arteriosus.
- Author
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Aksoy HT, Eras Z, Simşek GK, Uraş N, Altug N, and Dilmen U
- Subjects
- Adult, Diagnosis, Differential, Female, Femur diagnostic imaging, Humans, Infant, Newborn, Kidney diagnostic imaging, Kidney Diseases diagnostic imaging, Male, Pregnancy, Pregnancy in Diabetics, Radiography, Ultrasonography, Abnormalities, Multiple diagnostic imaging, Congenital Abnormalities diagnostic imaging, Ductus Arteriosus, Patent diagnostic imaging, Femur abnormalities, Kidney abnormalities, Kidney Diseases congenital, Pierre Robin Syndrome diagnostic imaging
- Published
- 2013
34. Intravenous paracetamol treatment in the management of patent ductus arteriosus in extremely low birth weight infants.
- Author
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Oncel MY, Yurttutan S, Degirmencioglu H, Uras N, Altug N, Erdeve O, and Dilmen U
- Subjects
- Acetaminophen blood, Cardiovascular Agents blood, Chi-Square Distribution, Drug Administration Schedule, Ductus Arteriosus, Patent diagnostic imaging, Female, Gestational Age, Humans, Infant, Newborn, Injections, Intravenous, Male, Time Factors, Treatment Outcome, Ultrasonography, Acetaminophen administration & dosage, Cardiovascular Agents administration & dosage, Ductus Arteriosus, Patent drug therapy, Infant, Low Birth Weight
- Abstract
Background: Treatment options for the closure of a hemodynamically significant patent ductus arteriosus (hsPDA) include medical therapy such as ibuprofen and indomethacin and surgical ligation., Objective: To evaluate the efficacy of intravenous paracetamol in preterm infants with hsPDA whose feeding was contraindicated or had feeding intolerance., Methods: Preterm infants with hsPDA were started on intravenous paracetamol treatment with parental consent. Paracetamol was administered at a dose of 60 mg/kg/day, in four divided doses, for a period of 3 days. In the absence of closure of hsPDA, treatment was extended up to 6 days, after which echocardiographic examination was performed., Results: A total of 10 preterm infants were included in the study with a median gestational age of 27(4/7) weeks (minimum-maximum: 24-29) and a median birth weight of 775 g (590-990). The first dose of intravenous paracetamol was given after a median of 6 days (2-15). On echocardiographic examination, median internal ductal diameter was 2 mm (1.5-3), with a median left atrium-to-aortic root ratio of 1.95 (1.6-2.2). Intravenous paracetamol resulted in successful closure of hsPDA in all patients., Conclusions: This study is the first case series in the literature which used intravenous paracetamol treatment for hsPDA. We believe that intravenous paracetamol could be used as an alternative drug for infants. Further prospective randomized-controlled trials are needed to evaluate the efficacy of intravenous paracetamol for the closure of hsPDA., (Copyright © 2012 S. Karger AG, Basel.)
- Published
- 2013
- Full Text
- View/download PDF
35. Oral versus intravenous ibuprofen for patent ductus arteriosus closure: a randomised controlled trial in extremely low birthweight infants.
- Author
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Erdeve O, Yurttutan S, Altug N, Ozdemir R, Gokmen T, Dilmen U, Oguz SS, and Uras N
- Subjects
- Administration, Oral, Birth Weight, Chronic Disease, Cyclooxygenase Inhibitors adverse effects, Cyclooxygenase Inhibitors therapeutic use, Female, Gestational Age, Humans, Ibuprofen adverse effects, Ibuprofen therapeutic use, Infant, Newborn, Infant, Premature, Infusions, Intravenous, Intensive Care, Neonatal methods, Lung Diseases chemically induced, Male, Treatment Outcome, Cyclooxygenase Inhibitors administration & dosage, Ductus Arteriosus, Patent drug therapy, Ibuprofen administration & dosage, Infant, Extremely Low Birth Weight
- Abstract
Objective: To compare the efficacy and safety of oral versus intravenous ibuprofen for the pharmacological closure of patent ductus arteriosus (PDA) in less mature preterm infants., Design: Prospective, randomised controlled study., Setting: Tertiary neonatal intensive care unit., Patients and Interventions: The study enrolled 80 preterm infants with gestational age ≤28 weeks, birth weight <1000 g, postnatal age 48 to 96 h, and had echocardiographically confirmed significant PDA. Seventy extremely low birthweight (ELBW) preterm infants received either intravenous or oral ibuprofen randomly as an initial dose of 10 mg/kg, followed by 5 mg/kg at 24 and 48 h., Main Outcome Measures: The success rate and the safety of the drugs in ELBW preterm infants were the major outcomes., Results: PDA closure rate was significantly higher with oral ibuprofen (83.3% vs 61.7%) after the first course of the treatment (p=0.04). Although the primary closure rate was marginally higher in the oral ibuprofen group, the need for a second course of ibuprofen during the whole hospitalisation was similar between groups: 11 of 36 in oral versus 15 of 34 in intravenous groups (p=0.24) because of a higher reopening rate in the oral group. In addition to no increase in side effects with oral ibuprofen use, the need for postnatal steroid use for chronic lung disease was significantly lower in oral ibuprofen group (p=0.001)., Conclusions: Oral ibuprofen is as effective as intravenous ibuprofen for PDA closure even in ELBW infants.
- Published
- 2012
- Full Text
- View/download PDF
36. The role of plasma N-terminal pro-B-type natriuretic peptide in predicting the severity of transient tachypnea of the newborn.
- Author
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Aydemir O, Aydemir C, Sarikabadayi YU, Altug N, Erdeve O, Uras N, Oguz SS, and Dilmen U
- Subjects
- Biomarkers blood, Birth Weight, Female, Gestational Age, Humans, Infant, Newborn, Male, Predictive Value of Tests, Prognosis, Prospective Studies, Transient Tachypnea of the Newborn blood, Natriuretic Peptide, Brain blood, Peptide Fragments blood, Transient Tachypnea of the Newborn diagnosis
- Abstract
Background/aim: Transient tachypnea of the newborn (TTN) is a consequence of inadequate neonatal lung fluid clearance. Natriuretic peptides play an important role in the regulation of extracellular fluid volume. The aim of the study was to investigate the relation between plasma N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels and TTN, and to find out its role in predicting disease severity., Methods: A prospective controlled study involving 67 infants with TTN and 33 controls ≥34 weeks gestational age was conducted. Study and control groups were compared for plasma NT-proBNP levels measured on the 6th, 24th, 72nd and 120th hours of life. Cardiac systolic functions were evaluated by echocardiography., Results: NT-proBNP levels were significantly higher in neonates with TTN compared to controls at 6th, 24th, 72nd and 120th hours (p<0.001). NT-proBNP levels at 24th and 72nd hours were significantly higher in infants with prolonged tachypnea (p=0.007 and p=0.03) and in those who required respiratory support (p=0.006 and p<0.001). Tachypnea duration was correlated with NT-proBNP levels at 24h (r=0.41, p=0.001). At a cut-off value of 6575 pg/ml, NT-proBNP had a sensitivity of 85% and specificity of 64% to predict mechanical ventilation requirement. Cardiac systolic functions were normal in all TTN patients., Conclusion: Plasma NT-proBNP levels are increased in neonates with TTN. Measurement of plasma NT-proBNP can be useful for predicting infants who will have prolonged tachypnea and mechanical ventilation requirement., (Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.)
- Published
- 2012
- Full Text
- View/download PDF
37. An unusual case of heteropagus: autosite with a complex cardiac malformation.
- Author
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Ozkan-Ulu H, Yilmaz Y, Sari FN, Altug N, Uras N, and Dilmen U
- Subjects
- Heart Defects, Congenital diagnostic imaging, Humans, Infant, Newborn, Male, Transposition of Great Vessels diagnostic imaging, Ultrasonography, Abnormalities, Multiple, Heart Defects, Congenital surgery, Heart Ventricles abnormalities, Twins, Conjoined
- Abstract
Asymmetrical form of conjoined twinning (heteropagus) is an extremely rare event with an incidence of 1-2 million live births. The incomplete component of heteropagus, namely, parasite, usually consists of rudimentary organs. Therefore, the autosite component of heteropagus can be separated successfully. A wide spectrum of associated congenital cardiac malformations, which are usually minor, has been described in autosites. However, a single-ventricle heart anomaly in the autosite has been reported in a very few cases. We report an unusual case of heteropagus with a complex cardiac malformation. To the best of our knowledge, this is the third heteropagus case in the literature with a single-ventricle heart in the autosite., (Copyright © 2011. Published by Elsevier B.V.)
- Published
- 2011
- Full Text
- View/download PDF
38. Evaluation and treatment of neonatal thrombus formation in 17 patients.
- Author
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Demirel G, Oguz SS, Celik IH, Altug N, Uras N, Erdeve O, and Dilmen U
- Subjects
- Female, Humans, Infant, Newborn, Male, Recombinant Proteins therapeutic use, Retrospective Studies, Risk Factors, Thrombosis blood, Anticoagulants therapeutic use, Enoxaparin therapeutic use, Thrombosis drug therapy, Tissue Plasminogen Activator therapeutic use
- Abstract
Introduction: Thrombosis is a rare but serious event in neonates. Perinatal risk factors associated with the developing hemostatic system increase the risk of thromboembolism. Treatment protocols vary between different centers. In this study, thrombosis and subsequent treatment were evaluated in 17 neonates hospitalized in a neonatal intensive care unit. This is the largest series reported to date., Method: From January 2007 to December 2009, thrombosis was diagnosed in 17 newborns hospitalized in a neonatal intensive care unit. Most were treated with recombinant tissue plasminogen activator (r-tPA) and enoxaparin as anticoagulant therapy., Results: Eleven courses of r-tPA therapy were administered to 10 patients. Sixteen patients received low-molecular-weight heparin (LMWH) treatment. None of the patients had hemorrhagic complications due to therapy. Recurrence was observed in 1 patient 1.5 months after the first course of r-tPA and retreatment was performed. A complete decrease in thrombus size was achieved in 9 patients and a partial decrease in 5 patients. One patient died before treatment was initiated; another died at the end of the first day of treatment and thus could not be evaluated. One patient who had a homozygous mutation for factor V Leiden did not respond to treatment and the extremity involved was amputated., Conclusions: Thrombosis in neonates is a multifactorial disorder. Treatment consisting of r-tPA and an anticoagulant was shown to be a safe and effective approach to clot dissolution in neonates.
- Published
- 2011
- Full Text
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39. Successful treatment of Candida albicans endocarditis vegetations with recombinant tissue plasminogen activator in an extremely low birth weight preterm infant.
- Author
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Aydemir C, Erdeve O, Oguz SS, Altug N, and Dilmen U
- Subjects
- Candidiasis microbiology, Echocardiography, Endocarditis microbiology, Humans, Infant, Low Birth Weight, Infant, Newborn, Male, Treatment Outcome, Candida albicans isolation & purification, Candidiasis drug therapy, Endocarditis drug therapy, Fibrinolytic Agents administration & dosage, Tissue Plasminogen Activator administration & dosage
- Published
- 2011
- Full Text
- View/download PDF
40. A case of maternal phenylketonuria syndrome presenting with unilateral renal agenesis.
- Author
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Gokmen T, Oguz SS, Altug N, Akar M, Erdeve O, and Dilmen U
- Subjects
- Congenital Abnormalities diagnostic imaging, Congenital Abnormalities genetics, Diagnosis, Differential, Female, Humans, Infant, Newborn, Kidney abnormalities, Kidney diagnostic imaging, Kidney Diseases congenital, Microcephaly diagnosis, Phenylalanine blood, Pregnancy, Pregnancy Complications, Pregnancy Outcome, Radionuclide Imaging, Syndrome, Tomography, X-Ray Computed, Ultrasonography, Young Adult, Heart Defects, Congenital etiology, Microcephaly etiology, Phenylketonuria, Maternal diagnosis
- Abstract
Maternal phenylketonuria (mPKU) during pregnancy leads to the risk of spontaneous abortion or a teratogenic syndrome depending on the level of maternal phenylalaninemia. Mental retardation, microcephaly, congenital cardiopathy and intrauterine growth retardation are frequently seen in patients who intake an unrestricted diet before conception. The clinical picture shows variation in classic PKU. Severe neurological symptoms are not seen in all untreated cases of PKU syndromes. For this reason, mPKU can be seen in undiagnosed mothers. We hereby present a case who underwent investigations due to the presence of microcephaly and congenital cardiopathy. The diagnosis of PKU syndrome of the mother was determined following assessment of the baby. Furthermore, the unilateral renal agenesis that was detected in our case is the first case reported in the literature in which mPKU accompanies renal agenesis.
- Published
- 2011
- Full Text
- View/download PDF
41. Efficacy and safety of oral versus intravenous ibuprofen in very low birth weight preterm infants with patent ductus arteriosus.
- Author
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Gokmen T, Erdeve O, Altug N, Oguz SS, Uras N, and Dilmen U
- Subjects
- Administration, Oral, Bilirubin blood, Cystatin C blood, Ductus Arteriosus, Patent diagnostic imaging, Echocardiography, Doppler, Humans, Infant, Newborn, Infant, Premature, Infant, Very Low Birth Weight, Infusions, Intravenous, Kidney Function Tests, Prospective Studies, Treatment Outcome, Cyclooxygenase Inhibitors administration & dosage, Ductus Arteriosus, Patent drug therapy, Ibuprofen administration & dosage, Infant, Premature, Diseases drug therapy
- Abstract
Objective: To compare oral ibuprofen with intravenous ibuprofen for closure of patent ductus arteriosus in very low birth weight (VLBW) preterm infants., Study Design: In a prospective, randomized study, 102 VLBW preterm infants with patent ductus arteriosus received either intravenous or oral ibuprofen at an initial dose of 10 mg/kg, followed by 5 mg/kg at 24 and 48 hours. The success rate and evaluation of renal tolerance using cystatin-C were the major outcomes., Results: Patent ductus arteriosus closure rate was significantly higher with oral ibuprofen (84.6% versus 62%) after the first course of the treatment (P = .011). The cystatin-C level increased significantly after treatment in the oral group (P = .001), but did not change with intravenous ibuprofen (P = .4)., Conclusions: Oral ibuprofen is more effective than intravenous ibuprofen for ductal closure in VLBW infants. The increase in the cystatin-C level with oral treatment suggests that patients with borderline renal function should be evaluated and followed closely., (Copyright © 2011 Mosby, Inc. All rights reserved.)
- Published
- 2011
- Full Text
- View/download PDF
42. Partial trisomy 8p (8p11.2-->pTER) and deletion of 13q (13q32-->qTER): case report.
- Author
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Yeşilyurt A, Dilli D, Oguz S, Dilmen U, Altug N, and Candemir Z
- Subjects
- Abnormalities, Multiple diagnosis, Chromosomes, Human, Pair 8 genetics, Craniofacial Abnormalities diagnosis, Craniofacial Abnormalities genetics, Echocardiography, Female, Genetic Carrier Screening, Heart Defects, Congenital diagnosis, Humans, Infant, Newborn, Intellectual Disability diagnosis, Intellectual Disability genetics, Karyotyping, Translocation, Genetic genetics, Trisomy diagnosis, Trisomy genetics, Abnormalities, Multiple genetics, Chromosome Deletion, Chromosomes, Human, Pair 13 genetics, Heart Defects, Congenital genetics
- Abstract
We report a female infant with partial trisomy 8p (8p11.2-->pter) and deletion of 13q (13q32-->qter). She was born with mild hypotonia, intrauterine growth retardation, microcephaly, micrognathia, large low set ears, pectus excavatum, anteriorly placed anus, and bilateral clinodactyly. Echocardiography showed left ventricular hypertrophy, bicuspid aortic valve, dilatation of the aorta and pulmonary artery, and prolapse of atrio-venticular valve leaflets. Cytogenetic investigation of her sister and her father showed that the altered region resulted from a balanced translocation between the part of the long arm of chromosome 13 and short arm of chromosome 8. In partial trisomy 8p, the clinical picture of the patients comprises hypotonia, structural brain abnormalities, facial anomalies including a large mouth with a thin upper lip, a high arched palate, a broad nasal bridge, an abnormal maxilla or mandible, malformed, low set ears, and orthopedic anomalies. Although patients with proximal deletions of 13q that do not extend into band q32 have mild to moderate mental and growth delays with variable minor anomalies, patients with more distal deletions including at least part of band q32 usually have major malformations such as retinoblastoma, mental-motor growth retardation, malformation of brain and heart, anal atresia, and anomalies of the face and limbs. To our knowledge partial trisomy 8p and partial monosomy of 13q have not been reported previously in the same person.
- Published
- 2011
43. Oral versus intravenous ibuprofen: which is better in closure of patent ductus arteriosus?
- Author
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Erdeve O, Gokmen T, Altug N, and Dilmen U
- Subjects
- Administration, Oral, Humans, Infant, Newborn, Infusions, Intravenous, Treatment Outcome, Anti-Inflammatory Agents, Non-Steroidal administration & dosage, Ductus Arteriosus, Patent drug therapy, Ibuprofen administration & dosage
- Published
- 2009
- Full Text
- View/download PDF
44. Pneumopericardium in a term infant on nasal continuous positive airway pressure.
- Author
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Türkbay D, Dilmen U, and Altug N
- Subjects
- Humans, Infant, Newborn, Pneumopericardium diagnostic imaging, Radiography, Continuous Positive Airway Pressure adverse effects, Pneumopericardium etiology
- Published
- 2007
- Full Text
- View/download PDF
45. In-vitro and in-vivo evaluation of a matrix-controlled bromocriptine mesilate-releasing vaginal ring.
- Author
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Acartürk F and Altug N
- Subjects
- Administration, Intravaginal, Animals, Female, Prolactin blood, Rabbits, Solubility, Bromocriptine administration & dosage, Bromocriptine pharmacokinetics, Dopamine Agonists administration & dosage
- Abstract
The aim of this study was to evaluate the in-vitro release rates and in-vivo effectiveness of a controlled release, intravaginal dosage form of bromocriptine mesilate. The dimeticone (poly(dimethylsiloxane)) elastomer vaginal ring contained 3 mg bromocriptine mesilate and low molecular weight gelatin in a ratio of 1:3, and 10% propylene glycol. The daily release rate of the drug was designed to be 10% of the total administered dose and was confirmed with release experiments under sink conditions. The effect of the vaginal ring preparation on plasma prolactin level in the rabbit was investigated over a 10-day period. The results showed that the vaginal ring of bromocriptine mesilate significantly decreased the plasma prolactin level of the test group (P < 0.001-0.05) compared with the control and placebo groups. It was concluded that bromocriptine mesilate was effectively absorbed from rabbit vagina and that this controlled release intravaginal ring preparation of bromocriptine mesilate was effective in decreasing the plasma prolactin level in rabbits for ten days.
- Published
- 2001
- Full Text
- View/download PDF
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