Publications by authors named "Tarek M Samy"

2 Publications

  • Page 1 of 1

Clinical Efficacy of Preoperative CT-Assisted Planning for Primary Total Knee Arthroplasty: A Pilot Randomized Clinical Trial.

J Knee Surg 2021 Feb 22. Epub 2021 Feb 22.

Department of Orthopaedics, Ain Shams University, Cairo, Egypt.

This study aims to determine the mean posterior condylar angle (PCA) in the included population and its relation to coronal alignment; and to know the clinical importance of the use of preoperative computed tomography (CT) scan in total knee arthroplasty (TKA). We randomized 50 patients with primary knee osteoarthritis into 2 groups. We used CT scan axial images to measure the PCA. In the first group we followed the CT scan plan (group 1), but in the second we did not follow the plan and adjusted rotation to the standard three degrees (group 2). The mean age of the included patients was 63 years. The radiological data of the included patients showed 5 patients with valgus deformity and 45 patients with varus deformity with the mean coronal alignment of 7.5 degrees. CT scan showed the mean PCA of 3.7 degrees (1.3 degrees). The axial knee postoperative X-ray showed the mean patellar tilt angle of 2.1 degrees (0.5 degrees) and 1.9 degrees (0.5 degrees) in groups 1 and 2, respectively. The congruence angle was 4 degrees (2.6 degrees) in group 1 and 5.5 degrees (3.2 degrees) in group 2. The median Knee Society functional score in group 1 was 85 (12), while it was 84 (7.5) in group 2. The median postoperative Western Ontario and McMaster Universities Arthritis Index score in group 1 was 84 (18.6) whereas 80.2 (13.6) in group 2. The median postoperative Bartlett score in group 1 was 30 (5), while it was 30 (6) in group 2. The use of preoperative CT scan did not improve the patient functional scores after TKA.
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http://dx.doi.org/10.1055/s-0041-1723971DOI Listing
February 2021

Tumor necrosis factor gene expression in regular hemodialysis patients.

Saudi J Kidney Dis Transpl 2015 May-Jun;26(3):460-7

Department of Internal Medicine, Faculty of Medicine, Cairo University, Cairo, Egypt.

This study evaluates tumor necrosis factor (TNF)-alfa gene expression in patients with end-stage renal disease (ESRD) on regular hemodialysis as an expression of cardiovascular disease (CVD) risk even on a sub-clinical level and its relation to some of the parameters incriminated in the pathogenesis and the establishment of uremic arteriopathy. A total of 51 patients with ESRD on regular hemodialysis and 20 healthy subjects matching in age and gender as a control group were recruited. All selected cases were subjected to serum lipid profile, Creactive protein (CRP), TNF-alfa gene expression and Doppler study of carotid arteries to estimate carotid intimal media thickness (cIMT). Serum triglycerides (TGS) level (P <0.001), CRP positivity (P = 0.002), relative quantification (RQ) of TNF-alfa gene expression (P = 0.007) and cIMT (P = 0.02) were significantly higher while high-density lipoprotein (HDL) level (P <0.001) was significantly lower among cases compared with controls. RQ showed a significant positive correlation with CRP titer (rho = 0.583, P = 0.011). Results also showed a significant strong negative correlation between with CRP titer and cIMT (rho = -0.590, P = 0.010). CRP titer showed only a significant strong negative correlation with age (rho = -0.589, P = 0.01) and positive correlation with HDL (rho = 0.51, P = 0.031). Patients with ESRD have increased gene expression of TNF-alfa and CRP titer together with increased atherosclerosis as expressed by increased cIMT.
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http://dx.doi.org/10.4103/1319-2442.157309DOI Listing
May 2015
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