Publications by authors named "Farzaneh Salehi"

3 Publications

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Effectiveness of exercise on fatigue in hemodialysis patients: a randomized controlled trial.

BMC Sports Sci Med Rehabil 2020 18;12:19. Epub 2020 Mar 18.

4Department of Urology, Bahonar Hospital, Kerman University of Medical Sciences, Kerman, Iran.

Background: Hemodialysis is one of the common therapies in patients with end-stage renal disease. Even patients who receive regular treatment suffer from fatigue, which is one of the main factors leading to poor quality of life. This study aimed to determine the effectiveness of exercising on mini-bikes on fatigue in hemodialysis patients.

Methods: This study is a randomized controlled clinical trial. Thirty-seven hemodialysis patients participated in the study. The patients were randomly allocated to either the intervention group ( = 20) or the control group ( = 17). The participants in the intervention group exercised on mini-bikes for 20 min twice a week for 3 months. The patients' fatigue was measured four times during and after the intervention. Multidimensional Fatigue Inventory was used to measure the fatigue level. The total score in the MFI is 4 to 20 for each domain, with the resulting total fatigue score ranging from 20 to 100; thus, the higher the score, the higher the level of fatigue. Data were analyzed by SPSS 18. The repeated measures ANOVA was used to compare the fatigue scores within each group and between the groups at different times.

Results: The mean score of fatigue in the intervention group at the beginning was 58.80 ± 15.29, which steadily decreased to 58.78 ± 13.54, 58.75 ± 14.73, 54.20 ± 15.16, and 54.23 ± 13.60 for the 3 months of intervention and 1 month post-intervention, respectively. In contrast, in the control group, this score was 62.53 ± 16.32 in the beginning, increasing to 64.03 ± 13.91, 64.22 ± 13.07, 69.53 ± 9.22, for the 3 months of intervention and 70.34 ± 7.69 one-month post-intervention. There were significant differences between the intervention group and the control group in the third month ( = 0.001) and 1 month after the intervention ( < 0.001).

Conclusions: The results showed that rehabilitation through exercising using mini-bikes had a significant impact on preventing further fatigue build-up in hemodialysis patients, making the mini-bike an effective non-pharmaceutical intervention preventing the increase in fatigue experienced by patients undergoing hemodialysis.

Trial Registration: Iranian Registry of Clinical Trials: IRCT20180314039100N1. Registered 10 June 2018.
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http://dx.doi.org/10.1186/s13102-020-00165-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7081561PMC
March 2020

Does L-carnitine improve endothelial function in hemodialysis patients?

J Res Med Sci 2012 May;17(5):417-21

Child Growth and Development Research Center, Department of Pediatric Cardiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.

Background: Atherosclerosis is the leading cause of death in hemodialysis patients. These patients are also very prone to L-carnitine deficiency due to kidney disease. In this clinical trial, we investigated the effect of oral L-carnitine on endothelial function of these patients.

Materials And Methods: [corrected] We studied 31 adult chronic hemodialysis patients in our center and divided them into two groups. The first group (n = 20) received 1500 mg/dialysis interval (every other day) oral L-carnitine. The control group (n = 11) received placebo for one month. Ultrasonographic measurements of flow mediated dilation and carotid intima-media thickness were performed before and after one month of L-carnitine and placebo therapy.

Results: This study showed that after one month of L-carnitine or placebo therapy there was no significant improvement in flow mediated dilation (p = 0.80 and p = 0.59, respectively) or decrease in carotid intima-media thickness (p = 0.12 and p = 0.50, respectively).

Conclusions: Our study revealed that one month of oral L-carnitine therapy did not improve endothelial function in hemodialysis patients. Long-term studies with large sample size using intravenous form and higher doses of the drug are required to clarify the questionable role of L-carnitine in hemodialysis patients.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3634264PMC
May 2012

Ultrasonic monitoring of erosion/corrosion thinning rates in industrial piping systems.

Ultrasonics 2013 Sep 28;53(7):1251-8. Epub 2013 Mar 28.

NDE Lab, Faculty of Mechanical Engineering, KN Toosi University of Technology, 17 Pardis St., Mollasadra Ave., Tehran, Iran.

Monitoring pipe wall erosion/corrosion thinning rates is an important issue in petrochemical and power generation industries. In this paper, two signal processing techniques are utilized for estimating the thinning rate based on ultrasonic pipe wall thickness data collected over a short period of time. The first is a combination of cross-correlation and polynomial curve fitting and the second is a model-based estimation (MBE) scheme. These techniques are applied to data collected from an accelerated thinning rate apparatus and both show that they are capable of estimating the thinning rates quickly in short time periods with good accuracy. In laboratory applications, thinning rates as low as 10 μm/year were measured within 15 days with an uncertainty of ±1.5 μm/year by both techniques. Although the MBE technique can yield marginally better accuracy, the greater stability and computational speed of the cross-correlation technique make it the preferred choice for industrial use.
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http://dx.doi.org/10.1016/j.ultras.2013.03.007DOI Listing
September 2013