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Articles by Moawia Gameraddin
Total Records ( 4 ) for Moawia Gameraddin
  Mohamed Ibrahim , Bushra Hussein A. Malik and Moawia Gameraddin
  Chewing qat has been established to cause cardiovascular and various health problems. The study aims to explore the effects of chewing qat on hemodynamics of the common carotid arteries (CCAs). This is clinically important for quantifying the cerebral perfusion which is a key factor of cerebrovascular diseases. This was a descriptive quantitative study. A total of 200 of healthy non-qat volunteers were investigated with gray scale and Doppler sonography for assessment of common carotid arteries (CCAs) using a 7-10 MHz linear transducers according to a standard carotid sonography protocol. The CCAs hemodynamics, diameters and intima media thickness were assessed. The heart rate and blood pressure were taken on the left arm and measured at 3-5 min interval. The blood flow in CCAs was assessed using the Doppler parameters, peak systolic velocity, end-diastolic velocity, pulsatility index and resistive index. The Doppler parameters were measured before and after chewing qat. SPSS and paired sample t-test was used to analyze the results. A p-value<0.05 was considered to be significant. chewing qat had significantly raised the heart rate and blood pressure (p-value = 0.00 and 0.001, respectively). The blood resistivity and pulsatility of the common carotid arteries were significantly decreased after chewing qat. The peak systolic velocity and maximum end-diastolic velocity were significantly increased after chewing qat (p-values = 0.001 and 0.00, respectively). The diameters and intima media thickness of each CCA were not affected with qat chewing. Chewing qat has significant impact on the hemodynamics of the common carotid arteries, probably as a consequence of vasoconstrictor effect of qat on the blood vessels. This may affect the cerebral perfusion. Further studies are needed on possible morbidity of carotid arteries lesions associated with regular qat chewing.
  Moawia Gameraddin , Mustafa Z. Mahmoud , Nagmeldin Yassin and Suzan Abdelmaboud
  Background and Objective: Extracorporeal shock wave lithotripsy (ESWL) was introduced in the early 80s and has since become the gold standard for the treatment of urinary stones. It is the most widely performed procedure for stone treatment, treating all sizes and locations of stones, the results of which have been widely published. This study was designed with an aim to assess the outcomes and complications of the ESWL treatment of renal stones by using ultrasonography (US). Materials and Methods: A total of 100 patients with renal stones, treated using the Modulith SLX-F2 were recruited prospectively for a period of 12 months between April, 2017 and April, 2018. Renal US was conducted using Mindray's DC-60 machine, to follow the outcome of stone clearance for up to 3 months after the first ESWL session. All data was analyzed by mean±SD and student t-test was used to compare the variables at p<0.05. Results: Out of total number of patients, 60 were males and 40 females. The mean stone size and serum creatinine level were 15±1.8 mm and 2.8±0.2 mg dL1, respectively. US revealed an ESWL treatment success in most cases (83%), with an ESWL treatment sensitivity, specificity and accuracy of 98.81, 89.47 and 97.09%. Conclusion: This study concluded that ultrasonographic assessment showed 83% acceptable success rate for renal stone fragment passage and complete stone disintegration post- ESWL treatment.
  Moawia Gameraddin , Bushra Abdalmalik , Mohamed Ibrahim , Mustafa Mahmoud and Sultan A. Alshoabi
  Background and Objective: Khat has severe adverse socio-economic consequences. It causes serious cardiovascular, neurological and psychiatric problems. The study aimed to evaluate the effect of chewing khat on intima-media thickness (IMT) of the common carotid arteries. Materials and Methods: This was a descriptive case-control cross-sectional study. A total of 50 participants of chronic regular khat chewers were investigated. B-mode ultrasound 7-10 MHz linear transducers used for assessment of common carotid arteries according to the standard carotid sonography protocol. The IMT was measured and the presence of plaques was assessed. Results: The carotid IMT was significantly increased in regular khat chewers more than the controls (p-value = 0.016). The common carotid IMT increased in smokers more than non-smokers among khat chewers (0.6710±0.20687 vs. 0.5789±0.16859 mm). Significant correlations existed between the duration of chewing khat and age with the presence of plaque (p-values = 0.013 and 0.002, respectively). Conclusion: There is a significant correlation between carotid plaque and longtime khat chewing. Khat is a contributory factor for increasing carotid intima-media thickness and formation of carotid plaques. A combination of khat and smoking produce more thickening of carotid intima-media.
  Moawia Gameraddin , Awadia Gareeballah , Shimaa Mokhtar , Mohamed M. Abuzaid , Fahad Alhazmi and Hassan Ali Hamad
  Background and Objective: Mycetoma of the foot, commonly referred to as Madura foot, is a chronic granulomatous infection, which impacts vascularization of the affected region. This study aimed to evaluate foot mycetoma using Doppler and sonography techniques to identify the principle sonographic features and blood flow patterns associated with the condition. Materials and Methods: This was a cross-sectional prospective single-center study conducted at the Mycetoma Research Center (MCR) in Khartoum State, Sudan. Sixty patients with Madura foot were examined using a Duplex ultrasound machine with a 7-10 MHZ linear probe. Data was analyzed using SPSS software. The distribution of demographic data was evaluated by simple descriptive statistics. Statistical tests was performed using Student’s independent t-tests to compare different forms of mycetoma and Chi-square tests to examine differences in blood flow patterns between fungal (eumycetoma) and bacterial (actinomycetoma) forms of the infection. Results: The presence of multiple cavities and aggregated grains were more common in eumycetoma than in actinomycetoma. The echotexture was significantly more heterogeneous in eumycetoma than in actinomycetoma (p = 0.03). Eumycetoma had higher vascularity than actinomycetoma. Conclusion: Mycetoma has characteristic sonographic features and patterns of vascularity, which are essential to differentiate between the fungal and bacterial forms of mycetoma.
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