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    Differences in pain, fatigue, and quality of life in patients with chronic venous insufficiency based on physical activity level
    (2020) Keser, İlke; Özdemir, Kadirhan; Erer, Dilek; Onurlu, İlknur; Bezgin, Sabiha
    Background: This study aims to compare the effect of different physical activity levels on pain, fatigue, and quality of life in patients with chronic venous insufficiency. Methods: Between October 2018 and February 2019, a total of 69 patients (4 males, 65 females; mean age 50 years; range, 19 to 73 years) who were diagnosed with chronic venous insufficiency and consulted for physiotherapy were included in the study. The physical activity level of the patients was determined using the International Physical Activity Questionnaire in three groups as light, moderate, or vigorous. Fatigue, pain, and QoL were assessed using the Fatigue Severity Scale, visual analog scale (during the night, activity, and rest), and Venous Insufficiency Epidemiological and Economic Study Quality/Symptom Scale, respectively. Results: Of a total of 69 patients, 17 were in the light-intensity physical activity group, 32 in the moderate-intensity physical activity group, and 20 in the vigorous-intensity physical activity group. Perceived pain during activity and fatigue were significantly different between the light- and moderate-intensity physical activity groups (p<0.05). There was no significant difference in pain, fatigue, and quality of life scores between the vigorous-intensity physical activity group and the other two groups (p>0.05). Conclusion: Our study results suggest that a moderate level of physical activity may be helpful to overcome symptoms such as pain and fatigue in patients with chronic venous insufficiency and to improve quality of life
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    The Effect of Picroside-2 on Erythrocyte Deformability and Lipid Peroxidation in Streptozotocin-Induced Diabetic Rats subjected to Left Anterior Descending Artery-Ischemia reperfusion (conferenceObject)
    (Wiley-Blackwell, 2015) Comu, Faruk Metin; Polat, Yucel; Ozer, Abdullah; Erer, Dilek; Kirisci, Mehmet; Dursun, Ali Dogan; Arslan, Mustafa
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  • Küçük Resim
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    The Effect of Picroside-2 on Erythrocyte Deformability and Lipid Peroxidation in StreptozotocinInduced Diabetic Rats Subjected to Left Anterior Descending Artery-Ischaemia Reperfusion
    (2017) Çomu, Faruk Metin; Polat, Yücel; Özer, Abdullah; Erer, Dilek; Kirişçi, Mehmet; Dursun, Ali Doğan; Tatar, Tolga
    Aim: Diabetes mellitus (DM) is a chronic metabolic disorder principally characterized by an elevation in oxidative stress levels. Ischaemia-reperfusion (IR) injury starts a cascade of events that lead to tissue ischaemia and cellular damage produced by reperfusion causing an inflammatory like response. Erythrocyte deformability and plasma viscosity are important clinical implications for organ and tissue perfusion. Recent studies have found that picroside-2 has antioxidant, neuroprotective and anti-inflamatory effects. The aim of our study was to investigate the effects of picroside-2 on erythrocyte deformability and lipid peroxidation in streptozotocin-induced diabetic rats subjected to left anterior descending (LAD) artery IR. Methods: The animals were randomly assigned to one of five experimental groups. In Group (control) C, DC (diabetes-control group), and DP (diabetespicroside-2 group) neither coronary artery occlusion nor reperfusion were performed in the control rats. In Group DIR, a branch of the LAD artery was occluded for 45 minutes followed by 90 minutes of reperfusion to produce IR. In Group DIRP, picroside-2 was administrated via 10 mg.kg-1 inraperitoneal (IP) route 30 minutes before ligating the LAD artery. Serum malondialdehyde and nitric oxide activities were investigated to document lipid peroxidation and erythrocyte deformability index. Results: Deformability index was notably increased in diabetic rats (p<0.0001). It was notably increased in Group DIR when compared to Group C, DC, DP and DIRP (p<0.0001, p=0.009, p=0.013, p=0.009, respectively). MDA level and NO activity were also higher in IR group than the other groups. Conclusion: Erythrocyte deformability index was decreased in rats with diabetes and IR injury. This injury may lead to further microcirculatory problems. Picroside 2 was shown to be useful in reducing the side effects of this kind of injury.
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    Effects of alprostadil and iloprost on renal, lung, and skeletal muscle injury following hindlimb ischemia-reperfusion injury in rats
    (Dove Medical Press Ltd, 2016) Erer, Dilek; Ozer, Abdullah; Demirtas, Huseyin; Gonul, Ipek Isik; Kara, Halil; Arpaci, Hande; Kucuk, Aysegul
    Objectives: To evaluate the effects of alprostadil (prostaglandin [PGE1] analog) and iloprost (prostacyclin [PGI2] analog) on renal, lung, and skeletal muscle tissues after ischemia reperfusion (I/R) injury in an experimental rat model. Materials and methods: Wistar albino rats underwent 2 hours of ischemia via infrarenal aorta clamping with subsequent 2 hours of reperfusion. Alprostadil and iloprost were given starting simultaneously with the reperfusion period. Effects of agents on renal, lung, and skeletal muscle (gastrocnemius) tissue specimens were examined. Results: Renal medullary congestion, cytoplasmic swelling, and mean tubular dilatation scores were significantly lower in the alprostadil-treated group than those found in the I/R-only group (P<0.0001, P=0.015, and P<0.01, respectively). Polymorphonuclear leukocyte infiltration, pulmonary partial destruction, consolidation, alveolar edema, and hemorrhage scores were significantly lower in alprostadil- and iloprost-treated groups (P=0.017 and P=0.001; P<0.01 and P<0.0001). Polymorphonuclear leukocyte infiltration scores in skeletal muscle tissue were significantly lower in the iloprost-treated group than the scores found in the nontreated I/R group (P<0.0001). Conclusion: Alprostadil and iloprost significantly reduce lung tissue I/R injury. Alprostadil has more prominent protective effects against renal I/R injury, while iloprost is superior in terms of protecting the skeletal muscle tissue against I/R injury.
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    Protective effect of erdosteine on erythrocyte deformability in a rat model of lower limb ischemia/reperfusion injury
    (Tubitak Scientific & Technical Research Council Turkey, 2018) Ozer, Abdullah; Demirtas, Huseyin; Comu, Faruk Metin; Erer, Dilek; Kilic, Yigit; Mardin, Baris; Oktar, G. Levent
    Background/aim: The protective effect of erdosteine on local and distant organ injury due to ischemia/reperfusion has been well documented but its effect on erythrocyte deformability needs further investigation. Our aim was to investigate the effect of erdosteine on erythrocyte deformability in the infrarenal aorta of rats undergoing ischemia/reperfusion. Materials and methods: Our study was conducted with 18 Wistar albino rats. Rats were divided into 3 groups: a randomized control group (group 'control', n = 6), an ischemia/reperfusion group without erdosteine (group 'ischemia/reperfusion', n = 6), and an ischemia/reperfusion group with erdosteine at 150 mg kg(-1), intraperitoneally (group 'ischemia/reperfusion - erdosteine', n = 6). Packs of erythrocytes were prepared from heparinized blood samples and deformability measurements were conducted. Results: Comparisons of the control and ischemia/reperfusion - erdosteine groups revealed similar results (P = 0.051). The values of the ischemia/reperfusion group were significantly higher than those of the control and ischemia/reperfusion - erdosteine groups (P < 0.0001 and P = 0.024, respectively). Relative resistance, a marker of erythrocyte deformability, was increased significantly by ischemia/reperfusion compared to the control and ischemia/reperfusion - erdosteine groups (P < 0.05). Conclusion: We detected unfavorable effects of ischemia/reperfusion on erythrocyte deformability, which may lead to disturbance in blood flow and hence tissue perfusion in the infrarenal rat aorta. We also found that erdosteine had beneficial effects by reversing undesirable effects of ischemia/reperfusion. However, these promising results should be further supported by more detailed studies with larger volumes.
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    The profile beyond leg pain: In basis of central sensitization, kinesiophobia, and body awareness in patients with chronic venous disease
    (Sage Publications Inc, 2024) Bazancir-Apaydin, Zilan; Sakizli Erdal, Elif; Keser, Ilke; Erer, Dilek
    Objective: Leg pain has long been underestimated despite being one of the most important symptoms of chronic venous disease (CVD). Studies investigating leg pain and psychosocial profile in CVD are limited. The study aimed to investigate leg pain, central sensitization, kinesiophobia, and body awareness in patients with CVD. Methods: The ninety-eight patients (80 female, 18 male) diagnosed with CVD were included in the study. The severity of leg pain was evaluated with the Visual Analog Scale (VAS). The patients were assessed with the Central Sensitization Inventory (CSI-A and B) for central sensitization-related symptoms and -positivity, the Body Awareness Questionnaire (BAQ) for body awareness, and the Tampa Kinesiophobia Scale (TKS) for kinesiophobia. The cut-off score was admitted as 41 for TKS. Results: The leg pain (mean (SD) = 4.3 +/- 2) and body awareness (mean (SD) = 82.4 +/- 22) were moderate levels in patients with CVD. Nearly half of the patients (n = 46, 46.9%) had both central sensitization positivity and elevated kinesiophobia (n = 46, 47%). The CSI was correlated with the VAS (r = 0.32, p = .001), TKS (r = 0.40, p < .001), and BAQ (r = 0.20, p = .048). Significant correlations were determined between Body Mass Index and TKS (r = 0.48, p < .001) and BAQ (r = -0.31, p = .002). Also, the patients with a TKS score >= 41-points had higher CSI-A scores (p = .002) than those with a TKS score< 41. Conclusions: Leg pain, central sensitization, and kinesiophobia are commonly seen in patients with CVD, and central sensitization seems to have a negative effect on leg pain, kinesiophobia, and body awareness. The profile beyond pain should be evaluated in detail, and various rehabilitation strategies need to be developed to manage central sensitization, interoception, kinesiophobia, and weight control in patients with CVD.