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Korkmaz F, Yilmaz-Oral D, Asker H, Guven B, Turkcan D, Kirlangic OF, Oztekin CV, Gur S. Treatment with levothyroxine and testosterone ameliorated erectile dysfunction in rat model of propylthiouracil-induced hypothyroidism. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.01.070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Korkmaz F, Malama E, Siuda M, Leiding C, Bollwein H. Effects of sodium pyruvate on viability, synthesis of reactive oxygen species, lipid peroxidation and DNA integrity of cryopreserved bovine sperm. Anim Reprod Sci 2017; 185:18-27. [DOI: 10.1016/j.anireprosci.2017.07.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 07/14/2017] [Accepted: 07/24/2017] [Indexed: 10/19/2022]
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Korkmaz F, Kerr DE. P2005 Identifying DNA methylation differences that contribute to an age-dependent increase in bovine innate immunity using reduced representation bisulfite sequencing and the dermal fibroblast model. J Anim Sci 2016. [DOI: 10.2527/jas2016.94supplement440x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Cag Y, Erdem H, Leib S, Defres S, Kaya S, Larsen L, Poljak M, Ozturk-Engin D, Barsic B, Argemi X, Sørensen SM, Bohr AL, Tattevin P, Gunst JD, Baštáková L, Jereb M, Johansen IS, Karabay O, Pekok AU, Sipahi OR, Chehri M, Beraud G, Shehata G, Fontana R, Maresca M, Karsen H, Sengoz G, Sunbul M, Yilmaz G, Yilmaz H, Sharif-Yakan A, Kanj S, Parlak E, Pehlivanoglu F, Korkmaz F, Komur S, Kose S, Ulug M, Bolukcu S, Coskuner SA, Stahl JP, Ince N, Akkoyunlu Y, Halac G, Sahin-Horasan E, Tireli H, Kilicoglu G, Al-Mahdawi A, Nemli SA, Inan A, Senbayrak S, Vahaboglu H, Elaldi N. Managing atypical and typical herpetic central nervous system infections: results of a multinational study. Clin Microbiol Infect 2016; 22:568.e9-568.e17. [PMID: 27085724 DOI: 10.1016/j.cmi.2016.03.027] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 03/20/2016] [Accepted: 03/26/2016] [Indexed: 11/19/2022]
Abstract
There have been many studies pertaining to the management of herpetic meningoencephalitis (HME), but the majority of them have focussed on virologically unconfirmed cases or included only small sample sizes. We have conducted a multicentre study aimed at providing management strategies for HME. Overall, 501 adult patients with PCR-proven HME were included retrospectively from 35 referral centres in 10 countries; 496 patients were found to be eligible for the analysis. Cerebrospinal fluid (CSF) analysis using a PCR assay yielded herpes simplex virus (HSV)-1 DNA in 351 patients (70.8%), HSV-2 DNA in 83 patients (16.7%) and undefined HSV DNA type in 62 patients (12.5%). A total of 379 patients (76.4%) had at least one of the specified characteristics of encephalitis, and we placed these patients into the encephalitis presentation group. The remaining 117 patients (23.6%) had none of these findings, and these patients were placed in the nonencephalitis presentation group. Abnormalities suggestive of encephalitis were detected in magnetic resonance imaging (MRI) in 83.9% of the patients and in electroencephalography (EEG) in 91.0% of patients in the encephalitis presentation group. In the nonencephalitis presentation group, MRI and EEG data were suggestive of encephalitis in 33.3 and 61.9% of patients, respectively. However, the concomitant use of MRI and EEG indicated encephalitis in 96.3 and 87.5% of the cases with and without encephalitic clinical presentation, respectively. Considering the subtle nature of HME, CSF HSV PCR, EEG and MRI data should be collected for all patients with a central nervous system infection.
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Affiliation(s)
- Y Cag
- Dr Lütfi Kirdar Training and Research Hospital, Department of Infectious Diseases and Clinical Microbiology, Istanbul, Turkey
| | - H Erdem
- Gulhane Medical Academy, Department of Infectious Diseases and Clinical Microbiology, Ankara, Turkey.
| | - S Leib
- Institute for Infectious Diseases, University of Bern, Switzerland
| | - S Defres
- Institute of Infection and Global Health, University of Liverpool, United Kingdom; Tropical Infections Diseases Unit In Royal Liverpool and Broadgreen University Hospitals NHS Trust, United Kingdom
| | - S Kaya
- Karadeniz Technical University School of Medicine, Department of Infectious Diseases and Clinical Microbiology, Trabzon, Turkey
| | - L Larsen
- Odense University Hospital, Department of Infectious Diseases Q, Odense, Denmark
| | - M Poljak
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - D Ozturk-Engin
- Haydarpasa Numune Training and Research Hospital, Department of Infectious Diseases and Clinical Microbiology, Istanbul, Turkey
| | - B Barsic
- Dr. Fran Mihaljevic University Hospital for Infectious Diseases, Department of Infectious Diseases, University of Zagreb School of Medicine, Zagreb, Croatia
| | - X Argemi
- Nouvel Hôpital Civil, Department of Infectious Diseases, Strasbourg, France
| | - S M Sørensen
- Aalborg University Hospital, Department of Infectious Diseases, Denmark
| | - A L Bohr
- Copenhagen University Hospital, Institute of Inflammation Research, Department of Infectious Diseases and Rheumatology, Rigshospitalet, Denmark
| | - P Tattevin
- University Hospital of Pontchaillou, Department of Infectious and Tropical Diseases, Rennes, France
| | - J D Gunst
- Aarhus University Hospital, Department of Infectious Diseases, Aarhus, Denmark
| | - L Baštáková
- Faculty Hospital Brno, Department of Infectious Diseases, Masaryk University, Faculty of Medicine, Brno, Czech Republic
| | - M Jereb
- University Medical Centre, Department of Infectious Diseases, Ljubljana, Slovenia
| | - I S Johansen
- Odense University Hospital, Department of Infectious Diseases Q, Odense, Denmark
| | - O Karabay
- Sakarya University School of Medicine, Department of Infectious Diseases and Clinical Microbiology, Sakarya, Turkey
| | - A U Pekok
- Private Erzurum Sifa Hospital, Department of Infectious Diseases and Clinical Microbiology, Erzurum, Turkey
| | - O R Sipahi
- Ege University School of Medicine, Department of Infectious Diseases and Clinical Microbiology, Izmir, Turkey
| | - M Chehri
- Hvidovre Hospital, Department of Infectious Diseases, Copenhagen, Denmark
| | - G Beraud
- Poitiers University Hospital, Department of Infectious Diseases, France
| | - G Shehata
- Assiut University Hospital, Department of Neurology and Psychiatry, Assiut, Egypt
| | - R Fontana
- University of Catania, Section of Infectious Diseases, Department of Clinical and Molecular Biomedicine, Catania, Italy
| | - M Maresca
- University of Catania, Section of Infectious Diseases, Department of Clinical and Molecular Biomedicine, Catania, Italy
| | - H Karsen
- Harran University, School of Medicine, Department of Infectious Diseases and Clinical Microbiology, Sanliurfa, Turkey
| | - G Sengoz
- Haseki Training and Research Hospital, Department of Infectious Diseases and Clinical Microbiology, Istanbul, Turkey
| | - M Sunbul
- Ondokuz Mayis University School of Medicine, Department of Infectious Diseases and Clinical Microbiology, Samsun, Turkey
| | - G Yilmaz
- Ankara University School of Medicine, Department of Infectious Diseases and Clinical Microbiology, Ankara, Turkey
| | - H Yilmaz
- Ondokuz Mayis University School of Medicine, Department of Infectious Diseases and Clinical Microbiology, Samsun, Turkey
| | - A Sharif-Yakan
- American University of Beirut Medical Center, Beirut, Lebanon
| | - S Kanj
- American University of Beirut Medical Center, Beirut, Lebanon
| | - E Parlak
- Ataturk University School of Medicine, Department of Infectious Diseases and Clinical Microbiology, Erzurum, Turkey
| | - F Pehlivanoglu
- Haseki Training and Research Hospital, Department of Infectious Diseases and Clinical Microbiology, Istanbul, Turkey
| | - F Korkmaz
- Konya Training and Research Hospital, Department of Infectious Diseases and Clinical Microbiology, Konya, Turkey
| | - S Komur
- Cukurova University School of Medicine, Department of Infectious Diseases and Clinical Microbiology, Adana, Turkey
| | - S Kose
- Tepecik Training and Research Hospital, Department of Infectious Diseases and Clinical Microbiology, Izmir, Turkey
| | - M Ulug
- Private Umit Hospital, Department of Infectious Diseases and Clinical Microbiology, Eskisehir, Turkey
| | - S Bolukcu
- Haydarpasa Numune Training and Research Hospital, Department of Infectious Diseases and Clinical Microbiology, Istanbul, Turkey
| | - S A Coskuner
- Izmir Bozyaka Training and Research Hospital, Department of Infectious Diseases and Clinical Microbiology, Izmir, Turkey
| | - J P Stahl
- Joseph Fourier University and University Hospital of Grenoble, Department of Infectious Diseases, Grenoble, France
| | - N Ince
- Duzce University School of Medicine, Department of Infectious Diseases and Clinical Microbiology, Konuralp, Duzce, Turkey
| | - Y Akkoyunlu
- Bezmi Alem Vakif University, School of Medicine, Department of Infectious Diseases and Clinical Microbiology, Istanbul, Turkey
| | - G Halac
- Bezmi Alem Vakif University, School of Medicine, Department of Neurology, Istanbul, Turkey
| | - E Sahin-Horasan
- Mersin University School of Medicine, Department of Infectious Diseases and Clinical Microbiology, Mersin, Turkey
| | - H Tireli
- Haydarpasa Numune Training and Research Hospital, Department of Neurology, Turkey
| | - G Kilicoglu
- Haydarpasa Numune Training and Research Hospital, Department of Radiology, Turkey
| | - A Al-Mahdawi
- Department of Neurology, Baghdad Teaching Hospital, Iraq
| | - S A Nemli
- Katip Celebi University School of Medicine, Department of Infectious Diseases and Clinical Microbiology, Izmir, Turkey
| | - A Inan
- Haydarpasa Numune Training and Research Hospital, Department of Infectious Diseases and Clinical Microbiology, Istanbul, Turkey
| | - S Senbayrak
- Haydarpasa Numune Training and Research Hospital, Department of Infectious Diseases and Clinical Microbiology, Istanbul, Turkey
| | - H Vahaboglu
- Medeniyet University, Goztepe Training and Research Hospital, Department of Infectious Diseases and Clinical Microbiology, Istanbul, Turkey
| | - N Elaldi
- Cumhuriyet University School of Medicine, Department of Infectious Diseases and Clinical Microbiology, Sivas, Turkey
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Wadhawan R, Gupta M, Laharwal A, Tsai C, Tang S, Hu J, Tan WB, Clara ES, Prakash P, Shabbir A, Lomanto D, Takahashi M, Matsuya H, Nishinari N, Szura M, Pasternak A, Kibil W, Solecki R, Matyja A, Porter A, Berney C, Niebuhr H, Mayer F, Köckerling F, Lal D, Klobusicky P, Feyerherd P, Ates M, Kinaci E, Kose E, Soyer V, Sarici B, Cuglan S, Korkmaz F, Dirican A, Gómez-Menchero J, Jurado PJ, Luque JB, Moreno JG, Grau JMS, Jurado JFG, Giubileo M, Federico L, De Nigris S, Ventura P, García-Pastor P, Carbonell-Tatay F, Torregrosa-Gallud A, Forgione U, Feleshtynsky Y, Vatamanyuk VF, Svyrydovsky SA, Kokhanevych AV, Curado-Soriano A, Infantes-Ormad M, Valera-Sanchez Z, Dominguez-Amodeo A, Naranjo-Fernandez JR, Ruiz Zafra A, Navarrete-Carcer E, Oliva-Mompean F, Padillo-Ruiz J, Brochado J, Farah F, Nicastro RG, Condi GA, De Marco M, Samaan R, Radtke MC, Ji Z, Li J. Topic: Inguinal Hernia - Fixation. Hernia 2015; 19 Suppl 1:S254-60. [PMID: 26518818 DOI: 10.1007/bf03355366] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- R Wadhawan
- Fortis Hospital, Vasant Kunj, New Delhi, India
| | - M Gupta
- Fortis Hospital, Vasant Kunj, New Delhi, India
| | - A Laharwal
- Fortis Hospital, Vasant Kunj, New Delhi, India
| | - C Tsai
- Taichung Hospital, Ministry of Health and Welfare, Taichung, Taiwan
| | - S Tang
- Minimally Invasive Surgical Centre, Department of Surgery, Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
| | - J Hu
- Minimally Invasive Surgical Centre, Department of Surgery, Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
| | - W B Tan
- Minimally Invasive Surgical Centre, Department of Surgery, Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
| | - E Sta Clara
- Minimally Invasive Surgical Centre, Department of Surgery, Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
| | - P Prakash
- Minimally Invasive Surgical Centre, Department of Surgery, Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
| | - A Shabbir
- Minimally Invasive Surgical Centre, Department of Surgery, Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
| | - D Lomanto
- Minimally Invasive Surgical Centre, Department of Surgery, Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
| | | | - H Matsuya
- Morioka Yuai Hospital, Morioka, Japan
| | | | - M Szura
- I Department of General Surgery, Jagiellonian University, Krakow, Poland
| | - A Pasternak
- I Department of General Surgery, Jagiellonian University, Krakow, Poland.,Department of Anatomy, Jagiellonian University, Krakow, Poland
| | - W Kibil
- I Department of General Surgery, Jagiellonian University, Krakow, Poland
| | - R Solecki
- I Department of General Surgery, Jagiellonian University, Krakow, Poland
| | - A Matyja
- I Department of General Surgery, Jagiellonian University, Krakow, Poland
| | - A Porter
- Bankstown-Lidcombe Hospital, University of New South Wales, Sydney, Australia
| | - C Berney
- Bankstown-Lidcombe Hospital, University of New South Wales, Sydney, Australia
| | - H Niebuhr
- Hanse-Hernienzentrum Hamburg, Hamburg, Germany
| | - F Mayer
- Landeskrankenhaus Salzburg Uniklinikum, Salzburg, Austria
| | | | - D Lal
- National Hospital of Sri Lanka, Colombo, Sri Lanka
| | - P Klobusicky
- Helios St. Elisabeth Hospital, Bad Kissingen, Germany
| | | | - M Ates
- Faculty of Medicine, Department of General Surgery and Liver Transplantation Institute, Inonu University, Malatya, Turkey.,Faculty of Medicine, Department of Anatomy, Inonu University, Malatya, Turkey
| | - E Kinaci
- Faculty of Medicine, Department of General Surgery and Liver Transplantation Institute, Inonu University, Malatya, Turkey.,Department of General Surgery, Istanbul Training and Research Hospital, Istanbul, Turkey
| | - E Kose
- Faculty of Medicine, Department of Anatomy, Inonu University, Malatya, Turkey
| | - V Soyer
- Faculty of Medicine, Department of General Surgery and Liver Transplantation Institute, Inonu University, Malatya, Turkey
| | - B Sarici
- Faculty of Medicine, Department of General Surgery and Liver Transplantation Institute, Inonu University, Malatya, Turkey
| | - S Cuglan
- Faculty of Medicine, Department of Anatomy, Inonu University, Malatya, Turkey
| | - F Korkmaz
- Faculty of Medicine, Department of Anatomy, Inonu University, Malatya, Turkey
| | - A Dirican
- Faculty of Medicine, Department of General Surgery and Liver Transplantation Institute, Inonu University, Malatya, Turkey
| | | | - P J Jurado
- Hospital General Básico de Riotinto, Huelva, Spain
| | | | | | | | | | - M Giubileo
- Ospedale San Carlo Borromeo, Milano, Italy.
| | - L Federico
- Ospedale San Carlo Borromeo, Milano, Italy
| | | | - P Ventura
- Ospedale San Carlo Borromeo, Milano, Italy
| | | | | | | | | | - Y Feleshtynsky
- Optimization of Transabdominal Pre-Peritoneal Alloplasty of Inguinal Hernias, Kyiv, Ukraine
| | | | | | | | | | | | | | | | | | - A Ruiz Zafra
- Hospital Universitario Virgen Macarena, Sevilla, Spain
| | | | | | | | - J Brochado
- Hospital Servidor Publico Estadual, São Paulo, Brazil
| | - F Farah
- Hospital Servidor Publico Estadual, São Paulo, Brazil
| | - R G Nicastro
- Hospital Servidor Publico Estadual, São Paulo, Brazil
| | - G A Condi
- Hospital Servidor Publico Estadual, São Paulo, Brazil
| | - M De Marco
- Hospital Servidor Publico Estadual, São Paulo, Brazil
| | - R Samaan
- Hospital Servidor Publico Estadual, São Paulo, Brazil
| | - M C Radtke
- Hospital Servidor Publico Estadual, São Paulo, Brazil
| | - Z Ji
- Department of General Surgery, Zhongda Hospital, Southeast University, Nanjing, China
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Ozen G, Korkmaz F, Sunbul M, Deniz R, Tigen K, Atagunduz P, Inanc N, Direskeneli H. SAT0455 Subclinical Atherosclerosis and Estimation of Cardiovascular Risk in Systemic Sclerosis. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Ozcimen S, Ozcan M, Karatas H, Sakiz A, Kacar F, Korkmaz F, Demir L. Evaluation of urinary infections in elderly patients. Int J Infect Dis 2014. [DOI: 10.1016/j.ijid.2014.03.844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Yildiz TS, Korkmaz F, Solak M, Toker K, Erciyes N, Bayrak F, Ganidagli S, Tekin M, Kizilkaya M, Karsli B, Turan A, Ozcan U. Prediction of difficult tracheal intubation in Turkish patients: a multi-center methodological study. Eur J Anaesthesiol 2007; 24:1034-40. [PMID: 17555609 DOI: 10.1017/s026502150700052x] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND OBJECTIVE Preoperative evaluation is important in the detection of patients at risk for difficult airway management. It is still unclear whether true prediction is possible and which variables should be chosen for evaluation. The aim of this prospective, multi-centre study was to investigate the incidence of difficult intubation, the sensitivity and positive predictive values of clinical screening tests and whether combining two or more of these tests will improve the prediction of difficult intubation in Turkish patients. METHODS Seven study sites from six regions in Turkey participated in this study. One thousand six hundred and seventy-four ASA physical status I-III patients, scheduled to undergo elective surgery under general anaesthesia, were included. RESULTS The incidence of difficult intubation was 4.8% and increased with age (P < 0.05). The incidence of difficult intubation was significantly higher in patients who had a Mallampati III or IV score, a decreased average thyromental and sternomental distance, decreased mouth opening, or decreased protrusion of the mandible (P < 0.05). Mouth opening and Mallampati III-IV were found to be the most sensitive criteria when used alone (43% and 35%, respectively). Combination of tests did not improve these results. CONCLUSIONS There is still no individual test or a combination of tests that predict difficult intubations accurately. Tests with higher specificity despite low positive predictive value are needed.
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Affiliation(s)
- T S Yildiz
- University of Kocaeli, School of Medicine, Department of Anaesthesiology, Kocaeli, Turkey.
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Kücükömeroglu B, Kurnaz A, Keser R, Korkmaz F, Okumusoglu NT, Karahan G, Sen C, Cevik U. Radioactivity in sediments and gross alpha–beta activities in surface water of Fırtına River, Turkey. ACTA ACUST UNITED AC 2007. [DOI: 10.1007/s00254-007-1098-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Kurnaz A, Küçükömeroğlu B, Keser R, Okumusoglu NT, Korkmaz F, Karahan G, Cevik U. Determination of radioactivity levels and hazards of soil and sediment samples in Fırtına Valley (Rize, Turkey). Appl Radiat Isot 2007; 65:1281-9. [PMID: 17719792 DOI: 10.1016/j.apradiso.2007.06.001] [Citation(s) in RCA: 107] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2006] [Revised: 05/25/2007] [Accepted: 06/04/2007] [Indexed: 11/19/2022]
Abstract
The natural radioactivity levels in soil and sediment samples of Firtina Valley have been determined. To our knowledge, there seems to be no information about radioactivity level in the Firtina Valley soils and sediments so far. For this reason, soil and sediment samples were collected along the Firtina Valley and analysis on the collected samples were carried out to determine 238U, 232Th, 40K and 137Cs radioisotopes using high purity germanium detector. The activity concentrations obtained for 226Ra, 214Pb, 214Bi, 228Ac, 208Tl, 40K and 137Cs are given in the unit of Bq/kg. The results have been compared with other radioactivity measurements in different country's soils and sediments. The radium equivalent activity (Raeq), the absorbed dose rate (D), the external hazard index (Hex), the annual gonadal dose equivalent (AGDE) and the annual effective dose equivalent (AEDE) were also calculated and compared with the international recommended values.
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Affiliation(s)
- A Kurnaz
- Department of Physics, Faculty of Arts and Sciences, Karadeniz Technical University, Trabzon, TR 61080, Turkey
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Abstract
BACKGROUND In this study, using a dose-ranging design, we examined the effects of clonidine with 0.125% bupivacaine on the duration of post-operative analgesia in caudal anaesthesia in children. METHODS We conducted a controlled, prospective study of clonidine in caudal anaesthesia in 60 children, aged 1-10 years, undergoing elective inguinal hernia repair. Induction and maintenance of anaesthesia were performed by inhalation of sevoflurane and nitrous oxide. The children were randomized in a double-blind fashion to four groups, and were given a caudal anaesthetic with either 0.125% plain isobaric bupivacaine (1 ml/kg) or bupivacaine plus 1, 1.5 or 2 microg/kg of clonidine. The blood pressure and heart rate were recorded peri-operatively. Analgesia was evaluated by the modified Children's Hospital of Eastern Ontario Pain Scale (mCHEOPS) or a visual analogue scale (VAS). Paracetamol was given when the mCHEOPS score was greater than five or when the VAS score was greater than 30 mm. The monitoring of scores for pain, haemodynamic changes and post-operative nausea and vomiting was performed by nurses blind to the study allocation. RESULTS The duration of analgesia was found to be significantly longer in the group given bupivacaine plus 2 microg/kg of clonidine (median, 650 min; range, 300-900 min). Peri-operative hypotension and bradycardia, post-operative respiratory depression and motor block were not recorded in any patient. CONCLUSIONS The addition of clonidine to 0.125% bupivacaine prolongs the duration of post-operative analgesia without any respiratory or haemodynamic side-effects.
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Affiliation(s)
- T S Yildiz
- Department of Anaesthesiology, School of Medicine, University of Kocaeli, Kocaeli, Turkey.
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Altuntas TG, Korkmaz F, Nebioglu D. Determination of tetrahydrozoline hydrochloride and fluorometholone in pharmaceutical formulations by HPLC and derivative UV spectrophotometry. Pharmazie 2000; 55:49-52. [PMID: 10683871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
Two methods for the quantitative determination of tetrahydrozoline hydrochloride (1) and fluorometholone (2) in pharmaceutical eye drops (Efemoline) are described. The procedures are based on derivative UV spectrophotometry and HPLC. In the former method, d2A/d lambda 2 values were measured in methanol at 226 and 282 nm for 1 and 2, respectively. The relative standard deviations for the method were found to be 1.06% for 1 and 0.98% for 2. The latter method based on a reversed phase HPLC system using a Partisil 5 ODS analytical column. The mobile phase used for the separation of 1, 2 and internal standard (lidocaine) was methanol/acetonitrile/water (50:50:10 v/v) and the compounds in the eye drops were detected at 220 nm using an UV detector. The relative standard deviations for the HPLC method were determined to be 0.61% and 0.50% for 1 and 2, respectively. The proposed methods, which give thoroughly comparable data, are simple, rapid, and allow precise and accurate results and could be used for commercial formulations containing tetrahydrozoline hydrochloride and fluorometholone in combination.
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Affiliation(s)
- T G Altuntas
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Ankara, Tandogan, Turkey.
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