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Soylu K, Akcay M, Aksan G, Gedikli O, Gokay N. Eosinophil cationic protein: A new diagnostic biomarker in coronary slow flow phenomenon. ACTA ACUST UNITED AC 2021; 122:212-216. [PMID: 33618531 DOI: 10.4149/bll_2021_036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
AIM This study has investigated the role of eosinophil cationic protein (ECP), released by eosinophils, in the coronary slow flow phenomenon. METHODS This study included sixty patients with coronary slow flow (CSF) and sixty patients with normal coronary flow. The coronary flow rate was evaluated with TIMI frame count (TFC). ECP level, blood count and biochemical parameters were assessed. RESULTS The ECP levels (18.9±7.5 vs 13.1±6.4 ng/ml, p<0.001) and eosinophil counts (0.25±0.14 vs 0.18±0.09 10³/mm³, p=0.001) were higher in the CSF group. Multivariable regression analysis showed that ECP level and eosinophil counts were independent predictors the presence of CSF (p=0.003 and p=0.006). There was a weak but important correlation among the ECP level, eosinophil count and mean TFC (p=0.001, p=0.003, respectively). The ROC analysis showed a cut off value of 14.05 ng/ml for ECP level to diagnose CSF with 73.3 % sensitivity and 66.7 % specificity, and area under the ROC curve was 0.745 (95% CI: 0.657-0.833, p<0.001). CONCLUSION ECP levels were increased in CSF patients and this increasing correlated with coronary artery flow rates. The ECP level was independent predictor for the presence of SCF and it may be use as suitable diagnostic biomarker for CSF (Tab. 3, Fig. 3, Ref. 30).
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Akcay M, Coksevim M, Gedikli O, Ulubasoglu H, Yilmaz O. Does arterial stiffness increase in patients with early surgical menopause? Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Surgical early menopause is early menopause due to medical reasons rather than the natural aging process. Pulse wave velocity (PWV) and augmentation index (AIx) are simple and non-invasive parameters for assessment of arterial stiffness. The aim of this study investigated the arterial stiffness in the surgical early menopause patients.
Method
We included 40 patient early surgical menopause and 40 control group patients with clinically and demographically similar characteristics. Oscillometric measurement method with Mobil-O-Graph 24h-ABPM NG® arteriography was used to measure the arterial stiffness and cardiovascular hemodynamic parameters.
Results
Of the 40 patients who underwent surgical early menopause, 27 (67.5%) had malignancy, 11 (27.5%) with myoma and 2 (5%) with bleeding. There were no differences in baseline demographic, laboratory, echocardiographic parameters and coronary artery disease risk factors.In terms of arterial stiffness parameters, PWV were significantly higher in the early surgical menopause group than in the control group (6.5±0.8; 5.6±1.2 p<0.001), but there was no statistically significant difference in Alx (28.3±10.9; 27.4±9.0 p=0.69).Also, there was no statistically significant difference in terms of cardiac hemodynamic parameters and central aortic pressures.
Conclusion
When arterial stiffness is noninvasively evaluated by oscillometric method, it is significantly increased in surgical early menopause patients independent of other risk factors.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- M Akcay
- Ondokuz Mayis University, Faculty of Medicine, Department of Cardiology, Samsun, Turkey
| | - M Coksevim
- Ondokuz Mayis University, Faculty of Medicine, Department of Cardiology, Samsun, Turkey
| | - O Gedikli
- Ondokuz Mayis University, Faculty of Medicine, Department of Cardiology, Samsun, Turkey
| | - H Ulubasoglu
- Samsun Education and Research Hospital, Department of Obstetrics and Gynaecology, Samsun, Turkey
| | - O Yilmaz
- Ondokuz Mayis University, Faculty of Medicine, Department of Cardiology, Samsun, Turkey
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Kucukyilmaz E, Celik EU, Akcay M, Yasa B. Influence of blood contamination during multimode adhesive application on the microtensile bond strength to dentin. Niger J Clin Pract 2018; 20:1644-1650. [PMID: 29379001 DOI: 10.4103/1119-3077.224127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES The present study evaluated the effects of blood contamination performed at different steps of bonding on the microtensile bond strength (μTBS) of multimode adhesives to dentin when using the self-etch approach. MATERIALS AND METHODS Seventy-five molars were randomly assigned to three adhesive groups comprising 25 specimens each: two multimode adhesives [Single Bond Universal (SBU) and All-Bond Universal (ABU)] and a conventional one-step self-etch adhesive [Clearfil S3 Bond Plus (CSBP)]. Each group was subdivided as follows: (1) uncontaminated (control): bonding application/light curing as a positive control; (2) contamination-1 (cont-1): bonding application/light curing/blood contamination/dry as a negative control; (3) contamination-2 (cont-2): bonding application/light curing/blood contamination/rinse/dry; (4) contamination-3 (cont-3): bonding application/blood contamination/dry/bonding re-application/light curing; and (5) contamination-4 (cont-4): bonding application/blood contamination/rinse/dry/bonding re-application/light curing. Dentin specimens were prepared for μTBS testing after the composite resin application. Data were analyzed with two-way ANOVA and post-hoc tests (α = 0.05). RESULTS μTBS values were similar in cont-3 groups, and ABU/cont-4 and corresponding control groups, but were significantly lower in the other groups than in their control groups (P < 0.05). Cont-1 groups showed the lowest μTBS values (P < 0.05). CONCLUSIONS Neither decontamination method prevented the decrease in μTBS when contamination occurred after light curing. Drying the blood contaminants and reapplying the adhesive may regain the dentin adhesion when contamination occurs before light curing. Alternatively, rinsing and drying contaminants followed by adhesive re-application may be effective depending on adhesive type.
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Affiliation(s)
- E Kucukyilmaz
- Department of Pediatric Dentistry, Faculty of Dentistry, Izmir Katip Celebi University, Cigli, Izmir, Turkey
| | - E U Celik
- Department of Restorative Dentistry, Faculty of Dentistry, Izmir Katip Celebi University, Cigli, Izmir, Turkey
| | - M Akcay
- Department of Pediatric Dentistry, Faculty of Dentistry, Izmir Katip Celebi University, Cigli, Izmir, Turkey
| | - B Yasa
- Department of Restorative Dentistry, Faculty of Dentistry, Izmir Katip Celebi University, Cigli, Izmir, Turkey
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Ozen A, Akcay M, Duruer K, Bozdogan O, Surenkok I, Etiz D. 116P Comparison of conformity and homogeneity index values of VMAT and non-VMAT techniques used in lung cancer radiotherapy. J Thorac Oncol 2018. [DOI: 10.1016/s1556-0864(18)30390-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Yasa E, Arslan H, Yasa B, Akcay M, Alsancak M, Hatirli H. The force required to fracture endodontically roots restored with various materials as intra-orifice barriers. Niger J Clin Pract 2017; 20:1237-1241. [PMID: 29192625 DOI: 10.4103/1119-3077.181390] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVE To evaluate the effect of various materials as intra-orifice barriers on the force required fracture roots. MATERIALS AND METHODS One hundred-thirty five mandibular premolars were decoronated and prepared up to size #40. The root canals were filled and randomly divided into two control and seven experimental groups (n = 15), as follows: Positive control group (the intra-orifice barrier cavity was not prepared), negative control group (the intra-orifice barrier cavity was prepared, but not filled), filling using glass ionomer cement, nano-hybrid composite resin, short fiber-reinforced composite, bulk-fill flowable composite, MTA Angelus, Micro Mega MTA or Biodentine. A fracture strength test was performed, and the data were analyzed using one-way ANOVA and Tukey's post hoc tests. RESULTS Nano-hybrid composite, short fiber-reinforced composite, bulk-fill flow able composite, and glass ionomer cement increased the force required fracture the roots compared to the positive and negative control groups (P < 0.05). While MTA groups did not increase the force required fracture the roots compared to the control groups, Biodentine increased significantly. CONCLUSIONS Within the limitations of the present study, the use of nano-hybrid composite, short fiber-reinforced composite, bulk-fill flowable composite, and glass ionomer cement as an intra-orifice barrier may be useful in reinforcing roots. MTA placement (MTA Angelus or Micro Mega MTA) did not significantly increase the fracture resistance of endodontically treated roots compared to the control groups, however Biodentine did.
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Affiliation(s)
- E Yasa
- Department of Restorative Dentistry, Faculty of Dentistry, Sifa University, Izmir, Turkey
| | - H Arslan
- Department of Endodontics, Faculty of Dentistry, Ataturk University, Erzurum, Turkey
| | - B Yasa
- Department of Restorative Dentistry, Faculty of Dentistry, Izmir Katip Celebi University, Izmir, Turkey
| | - M Akcay
- Department of Pediatric Dentistry, Faculty of Dentistry, Izmir Katip Celebi University, Izmir, Turkey
| | - M Alsancak
- Department of Endodontics, Faculty of Dentistry, Ataturk University, Erzurum, Turkey
| | - H Hatirli
- Department of Restorative Dentistry, Faculty of Dentistry, Izmir Katip Celebi University, Izmir, Turkey
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Ayranci LB, Arslan H, Akcay M, Capar ID, Gok T, Saygili G. Effectiveness of laser-assisted irrigation and passive ultrasonic irrigation techniques on smear layer removal in middle and apical thirds. Scanning 2016; 38:121-127. [PMID: 26183211 DOI: 10.1002/sca.21247] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2015] [Accepted: 06/04/2015] [Indexed: 06/04/2023]
Abstract
The purpose of this study was to investigate the evaluation of laser-assisted irrigation (LAI) on the removal of the smear layer as compared to passive ultrasonic irrigation (PUI). Forty-eight single-rooted, upper-central incisor teeth were selected and prepared with ProTaper rotary instruments up to size #40 (F4) at the working lengths. Specimens were divided into four groups, as follows: (a) PUI with 5 mL of 2.5% NaOCl for 60 s; (b) PUI with 2.5 mL of 17% EDTA and 2.5 mL of 2.5% NaOCl each for 30 s; (c) LAI with 5 mL of 2.5% NaOCl for 60 s; and (d) LAI with 2.5 mL of 17% EDTA and 2.5 mL of 2.5% NaOCl each for 30 s. In the PUI groups, the ultrasonically activated file was inserted 1 mm short of the working length, but in the LAI groups, the fiber tip was applied into the pulp chamber. LAI in the pulp chamber with the combination of 17% EDTA and 2.5% NaOCl removed more of the smear layer than the other groups (p < 0.018). LAI in the pulp chamber with the combination of 2.5% NaOCl and 17% EDTA better removed the smear layer than LAI applied similarly but without EDTA or PUI with the same NaOCl and EDTA combinations using an ultrasonically activated file inserted 1 mm short of the working length.
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Affiliation(s)
- L B Ayranci
- Department of Endodontics, Faculty of Dentistry, Ataturk University, Erzurum, Turkey
| | - H Arslan
- Department of Endodontics, Faculty of Dentistry, Ataturk University, Erzurum, Turkey
| | - M Akcay
- Department of Pedodontics, Faculty of Dentistry, Katip Çelebi University, İzmir, Turkey
| | - I D Capar
- Department of Endodontics, Faculty of Dentistry, Katip Çelebi University, İzmir, Turkey
| | - T Gok
- Department of Endodontics, Faculty of Dentistry, Katip Çelebi University, İzmir, Turkey
| | - G Saygili
- Department of Endodontics, Faculty of Dentistry, Katip Çelebi University, İzmir, Turkey
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Bozkurt E, Sari C, Keles T, Durmaz T, Aslan A, Bastug S, Akar Bayram N, Akcay M, Ayhan H, Kasapkara H, Bilen E. Transfemoral balloon expandable aortic valve implantation on a patient with chronic lymphocytic leukemia following mitral valve prosthesis. Minerva Cardioangiol 2014; 62:501-504. [PMID: 25420504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Affiliation(s)
- E Bozkurt
- Yıldırım Beyazıt University, Cardiology Department, Ankara, Turkey:2 Department of Cardiology, Ataturk Research and Training Hospital, Ankara, Turkey -
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Arslan H, Akcay M, Capar ID, Saygili G, Gok T, Ertas H. Anin vitrocomparison of irrigation using photon-initiated photoacoustic streaming, ultrasonic, sonic and needle techniques in removing calcium hydroxide. Int Endod J 2014; 48:246-51. [DOI: 10.1111/iej.12306] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Accepted: 04/26/2014] [Indexed: 11/30/2022]
Affiliation(s)
- H. Arslan
- Department of Endodontics; Faculty of Dentistry; Ataturk University; Erzurum Turkey
| | - M. Akcay
- Department of Pedodontics; Faculty of Dentistry; Izmir Katip Celebi University; İzmir Turkey
| | - I. D. Capar
- Department of Endodontics; Faculty of Dentistry; Izmir Katip Celebi University; İzmir Turkey
| | - G. Saygili
- Department of Endodontics; Faculty of Dentistry; Izmir Katip Celebi University; İzmir Turkey
| | - T. Gok
- Department of Endodontics; Faculty of Dentistry; Izmir Katip Celebi University; İzmir Turkey
| | - H. Ertas
- Department of Endodontics; Faculty of Dentistry; Izmir Katip Celebi University; İzmir Turkey
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Arslan H, Capar ID, Saygili G, Gok T, Akcay M. Effect of photon-initiated photoacoustic streaming on removal of apically placed dentinal debris. Int Endod J 2014; 47:1072-7. [DOI: 10.1111/iej.12251] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2013] [Accepted: 01/18/2014] [Indexed: 11/27/2022]
Affiliation(s)
- H. Arslan
- Department of Endodontics; Faculty of Dentistry; Atatürk University; Erzurum Turkey
| | - I. D. Capar
- Department of Endodontics; Faculty of Dentistry; Izmir Katip Celebi University; İzmir Turkey
| | - G. Saygili
- Department of Endodontics; Faculty of Dentistry; Izmir Katip Celebi University; İzmir Turkey
| | - T. Gok
- Department of Endodontics; Faculty of Dentistry; Izmir Katip Celebi University; İzmir Turkey
| | - M. Akcay
- Department of Pedodontics; Faculty of Dentistry; Izmir Katip Celebi University; İzmir Turkey
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Armagan A, Silay MS, Karatag T, Akman T, Tepeler A, Ersoz C, Akcay M. Circumcision during the phallic period: does it affect the psychosexual functions in adulthood? Andrologia 2013; 46:254-7. [DOI: 10.1111/and.12071] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/17/2012] [Indexed: 11/27/2022] Open
Affiliation(s)
- A. Armagan
- Faculty of Medicine; Department of Urology; Bezmialem Vakif University; Istanbul Turkey
| | - M. S. Silay
- Faculty of Medicine; Department of Urology; Bezmialem Vakif University; Istanbul Turkey
| | - T. Karatag
- Department of Urology; Karapinar State Hospital; Konya Turkey
| | - T. Akman
- Faculty of Medicine; Department of Urology; Bezmialem Vakif University; Istanbul Turkey
| | - A. Tepeler
- Faculty of Medicine; Department of Urology; Bezmialem Vakif University; Istanbul Turkey
| | - C. Ersoz
- Faculty of Medicine; Department of Urology; Bezmialem Vakif University; Istanbul Turkey
| | - M. Akcay
- Faculty of Medicine; Department of Urology; Bezmialem Vakif University; Istanbul Turkey
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Basturk T, Akcay M, Albayrak R, Unsal A, Ulas T, Koc Y. Correlation between the resistive index values of renal and orbital arteries. Kidney Blood Press Res 2012; 35:332-9. [PMID: 22398412 DOI: 10.1159/000336105] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2011] [Accepted: 12/27/2011] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Resistive index (RI) is an indirect measurement of blood flow resistance that can be used to evaluate vascular damage. AIMS The purpose of this study is to evaluate the association between RI values of orbital and intrarenal arteries by means of Doppler ultrasonography (US). METHODS We evaluated 103 diabetic patients. As a control group, 30 subjects were examined. The patients were divided into two groups. Group 1 consisted of patients with urinary albumin excretion (UAE) <300 mg/day and estimated glomerular filtration rate (eGFR) levels >90 ml/min (n = 50); Group 2 had a UAE >300 mg/day and/or eGFR levels between 89 and 60 ml/min (n = 53). The association between RI values obtained with Doppler US of the ophthalmic artery, central retinal artery, posterior ciliary artery and intrarenal arteries were calculated. RESULTS Both orbital and intrarenal arterial RI values in Group 1 and Group 2 were higher than the control group (p = 0.001); furthermore, values were higher in Group 2 than in Group 1 (p = 0.0004/0.029/0.036, p = 0.016, respectively). A positive correlation was found between orbital and intrarenal arterial RI values in Group 2 (r = 0.475, 0.285, 0.363, p < 0.01, respectively). CONCLUSION Both orbital and renal arterial RI values were shown to be higher than the control group. Further, a trend towards higher RI values was observed with renal disease. RI may be useful as one of the markers for early diagnosis and follow-up of diabetic nephropathy and retinopathy.
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Affiliation(s)
- T Basturk
- Department of Nephrology, Bagcilar Research and Education Hospital, Istanbul, Turkey.
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Durmaz T, Keles T, Ayhan H, Cay N, Bilen E, Bayram N, Akcay M, Bozkurt E. OP-074 THE ASSOCIATION BETWEEN PARAOXONASE ACTIVITY AND AORTIC STIFFNESS PARAMETERS. Int J Cardiol 2012. [DOI: 10.1016/s0167-5273(12)70037-2] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Senkaya EB, Bayram NA, Akcay M, Keles T, Durmaz T, Kocak U, Kurt M, Tanboga H, Sari C, Bastug S, Bozkurt E. PP-118: ASSESSMENT OF P-WAVE DISPERSION IN PATIENTS WITH ISOLATED BICUSPID AORTIC VALVE WITHOUT SIGNIFICANT VALVE DYSFUNCTION. Int J Cardiol 2011. [DOI: 10.1016/s0167-5273(11)70358-8] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Yuce M, Davutoglu V, Ozbala B, Ercan S, Kizilkan N, Akcay M, Sari I, Akkoyun C, Dogan A, Alici M, Yavuz F, Elbey M. OP-202: FRAGMENTED QRS IS PREDICTIVE OF MYOCARDIAL DYSFUNCTION, PULMONARY HYPERTENSION AND SEVERITY IN MITRAL STENOSIS. Int J Cardiol 2011. [DOI: 10.1016/s0167-5273(11)70242-x] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Akcay M, Senkaya EB, Bilge M, Yeter E, Misra MC, Kurt M, Davutoglu V. Rare mechanical complication of myocardial infarction: isolated right ventricle free wall rupture. Singapore Med J 2011; 52:e7-e9. [PMID: 21298231] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Rupture of the left ventricular free wall is a dramatic complication of acute myocardial infarction (MI) and occurs in about ten percent of patients with fatal acute MI. However, there are limited reports about right ventricular free wall rupture due to MI. In this case report, a patient with isolated right ventricular rupture following MI that was visualised with real-time transthoracic echocardiography is discussed for the first time in the literature.
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Affiliation(s)
- M Akcay
- Department of Cardiology, Ankara Ataturk Education and Research Hospital, Bilkent Avenue, Ankara 06800, Turkey.
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Savasci S, Akcay M, Ergul S. Thin-Layer Chromatographic Specification and Separation of Cu1+, Cu2+, Ni2+, and Co2+ Cations. J Chromatogr Sci 2010; 48:473-7. [DOI: 10.1093/chromsci/48.6.473] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Ozkan MH, Gurkan R, Ozkan A, Akcay M. Determination of Manganese and Lead in Roadside Soil Samples by FAAS with Ultrasound Assisted Leaching. J Anal Chem 2005. [DOI: 10.1007/s10809-005-0121-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Kabalak AA, Akcay M, Ceylan A, Senel OO, Gogus N. The Effects of Transcranial Electrical Stimulation on Anaesthesia and Analgesia in Rats. J Vet Med Sci 2005; 67:433-6. [PMID: 15876795 DOI: 10.1292/jvms.67.433] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [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: 11/22/2022] Open
Abstract
In this study, we determined the effects of transcranial electrical stimulation (TCES) on the anaesthetic requirements of thiopental and the analgesic requirements of remifentanil, in rats. The experiments were performed on 120 albino male Wistar rats, which were randomly allocated to four groups (n=30). (Thiopental, Thiopental+TCES, Thiopental+Remifentanil, and Thiopental+Remifentanil+TCES). Animals were anaesthetized with thiopental, and 15 min later, remifentanil was injected to rats in the Remifentanil groups. TCES was started in the stimulated groups 20 min after thiopental administration. Rats were stimulated 5 times for this experiment. The times for recovery, herein called Cognition Recovery Time and Motion Recovery Time were measured. Cognition Recovery and Motion Recovery Times were not affected by the stimulation. Analgesia was assessed using the wet tail-flick latency (TFL). In the Thiopental group, the analgesia level returned to control values on the 35th min. In the Thiopental+Remifentanil group, the analgesia level returned to control values on the 50th min. In the Thiopental+ TCES group, the analgesia level reached the peak value on the 65th min. In the Thiopental+Remifentanil+TCES group, the analgesia level reached the peak value on the 35th min and analgesia remained high during the 90 min after cessation of the stimulation. The analgesic potency for the Thiopental+Remifentanil+TCES group was increased by 30-40% when compared with the prior TFL values, 160% when compared with the control group, and 50-75% when compared with Thiopental+TCES group on the 35th min (P<0.001). In conclusion, TCES markedly decreases the anaesthetic and analgesic requirements for thiopental and remifentanil in rats.
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Affiliation(s)
- A A Kabalak
- Department of 1st Anaesthesiology and Reanimation, Numune Education and Research Hospital, Ankara, Turkey
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