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    Comparison of propofol-remifentanil and propofol-ketamine combination for dilatation and currettage: a randomized double blind prospective trial
    (Verduci Publisher, 2015) Arikan, M.; Aslan, B.; Arikan, O.; But, A.; Horasanli, E.
    OBJECTIVE: The purpose of this study was to compare the propofol-remifentanil combination and propofol-ketamine combination for Dilatation and Curettage (DC) procedure. PATIENTS AND METHODS: This prospective, double blind, and randomized study comprised 81 female patients undergoing diagnostic DC. Patients were randomly allocated to one of two groups; propofol-remifentanil (Group PR, n=44) or propofol-ketamine (Group PK, n=37). The level of sedation was assessed with the Ramsay Sedation Score (RSS). The patients' RSS scores were maintained at 4-5 with an additional 0.5 mg/kg bolus dose of propofol. Heart rate (HR), mean blood pressure (MBP), peripheral oxygen saturation (SpO(2)), and RSS were recorded. The Modify Aldrete Score (MAS) was used for postoperative recovery evaluation, and the time to reach MAS score of 10 was recorded. Total dose of propofol, procedure time, side effects, and satisfaction scores of patient and surgeon were also recorded. RESULTS: The mean HR and MBP values of Group PR were lower than those of Group PK, at all recording times. Sedation levels were significantly higher in Group PK. The total dose of propofol consumed was significantly higher in Group PR. The recovery time of Group PK was significantly longer than that of Group PF (p< 0.05). Nausea-vomiting and bradycardia were more frequent in the Group PR. There was no difference in patient and surgeon satisfaction between the two groups. CONCLUSIONS: Ketamine-propofol combination provides better hemodynamic stability and better quality of sedation than propofol-remifentanil combination. Ketamine still seems as an advantageous and safe drug for such procedure.
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    Comparison of propofol-remifentanil and propofol-ketamine combination for dilatation and currettage: A randomized double blind prospective trial
    (Verduci Editore, 2015) Arikan, M.; Aslan, B.; Arikan, O.; But, A.; Horasanli, E.
    OBJECTIVE: The purpose of this study was to compare the propofolremifentanil combination and propofol-ketamine combination for Dilatation and Curettage (DC) procedure. PATIENTS AND METHODS: This prospective, double blind, and randomized study comprised 81 female patients undergoing diagnostic DC. Patients were randomly allocated to one of two groups; propofol-remifentanil (Group PR, n= 44) or propofol-ketamine (Group PK, n= 37). The level of sedation was assessed with the Ramsay Sedation Score (RSS). The patients' RSS scores were maintained at 4-5 with an additional 0.5 mg/kg bolus dose of propofol. Heart rate (HR), mean blood pressure (MBP), peripheral oxygen saturation (SpO2), and RSS were recorded. The Modify Aldrete Score (MAS) was used for postoperative recovery evaluation, and the time to reach MAS score of 10 was recorded. Total dose of propofol, procedure time, side effects, and satisfaction scores of patient and surgeon were also recorded. RESULTS: The mean HR and MBP values of Group PR were lower than those of Group PK, at all recording times. Sedation levels were significantly higher in Group PK. The total dose of propofol consumed was significantly higher in Group PR. The recovery time of Group PK was significantly longer than that of Group PF (p<0.05). Nausea-vomiting and bradycardia were more frequent in the Group PR. There was no difference in patient and surgeon satisfaction between the two groups. CONCLUSIONS: Ketamine-propofol combination provides better hemodynamic stability and better quality of sedation than propofolremifentanil combination. Ketamine still seems as an advantageous and safe drug for such procedure.
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    Does Chronic Low Back Pain Affect Tactile Acuity?
    (AVES, 2022) Saraçoglu, I.; Isintas, Arik, M.; Yana, M.; Günes, M.; Aslan, B.; Gökpinar, H.H.
    Objective: Our body’s sensory functions can be impaired in many clinical situations. The primary aim of this study was to examine whether tactile acuity decreased in individuals with chronic low back pain compared to healthy controls. The secondary aim was to examine the relationship of age, body mass index, pain intensity, and pain duration with tactile acuity. Methods: In this study, 64 individuals with chronic low back pain and 69 healthy controls were included. After obtaining demographic information, such as age, gender, and body mass index, the sense of 2-point discrimination was evaluated with the Baseline® esthesiometer device. Results: A total of 133 individuals, 64 women and 69 men, participated in the study. The mean age was found to be 40.65 ± 11.90 years in the chronic low back pain group and 42.36 ± 12.14 years in the control group. When the 2 groups were compared, no statistically significant difference was found according to age, gender, body mass index, and educational status (P > .05). The results of the 2-point discrimination test revealed a significantly higher distance in the chronic low back pain group compared to the control group (P < .01). While there was a weak correlation between 2-point discrimination and age in the chronic low back pain group (r= 0.291, P < .05), this correlation was moderate in the control group (r= 0.503, P < .01). In addition, there was a moderate relationship between body mass index and 2-point discrimination in the control group (r= 0.322, P < .01), while no such correlation was observed in the chronic low back pain group (P > .05). Conclusion: According to the results of this study, chronic low back pain presents as a pathology that may decrease tactile acuity. Therefore, it is recommended that individuals with chronic low back pain should be included in routine clinical evaluation tests of tactile sensitivity; however, demographic characteristics, such as age and body mass index, should also be considered in the interpretation of the results. © 2020. Archives of Health Science and Research. All rights reserved.
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    The synthesis and mechanical characterisation of laminated hybrid-epoxy matrix composites
    (Taylor & Francis Ltd, 2017) Sismanoglu, S.; Gungor, A.; Aslan, B.; Sen, D.
    High-performance and lightweight laminated hybrid composites were fabricated by using epoxy-impregnated carbon, Kevlar and hybrid fabrics. Carbon-Kevlar, carbon-hybrid, carbon-Kevlar-hybrid, and Kevlar-hybrid fabric epoxy matrix composites with 12 layers were synthesised using vacuum bag method. Tensile and three-point bending tests were used to determine the modulus of elasticity, % elongation, tensile strength, bending moment and bending strength of hybrid composites. The highest tensile strength, bending strength and bending moment were observed from carbon-Kevlar-epoxy matrix composite, while the lowest values were observed from the carbon-hybrid-epoxy matrix composite.