Dr. Aziz  Ahmed  Md image

Dr. Aziz Ahmed Md

1000 Health Ctr Dr
Mattoon IL 61938
217 582-2551
Medical School: Other - Unknown
Accepts Medicare: No
Participates In eRX: No
Participates In PQRS: No
Participates In EHR: No
License #: 01063683
NPI: 1790976918
Taxonomy Codes:
207P00000X 2085B0100X 2085R0202X

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Structural and Functional Coronary Artery Abnormalities in Patients With Vasospastic Angina Pectoris. - Circulation journal : official journal of the Japanese Circulation Society
Coronary spasm is involved in many clinical scenarios, such as stable angina, acute coronary syndrome, sudden cardiac death, non-ischemic cardiomyopathy, arrhythmia and syncope. In recent years, imaging tools such as computerized tomographic angiography, intravascular ultrasound or optical coherence tomography have been applied to study the coronary pathology in patients with vasospastic angina. Patients with vasospastic angina represent a heterogeneous cohort of patients with regard to the extent of concomitant coronary atherosclerosis. They share the common pathophysiological phenomenon of vascular smooth muscle hyperreactivity leading to spasm caused by various factors that may also overlap. Focal coronary spasm is related to epicardial atherosclerosis and in the presence of obstructive coronary artery disease it may be useful to treat the lesion to prevent further spasm. The aim of this article is to review structural and functional coronary artery abnormalities in patients with vasospastic angina.
A survey on the awareness and attitude of pharmacists and doctors towards the application of pharmacogenomics and its challenges in Qatar. - Journal of evaluation in clinical practice
Pharmacists are expected to play an important role in applying pharmacogenomics discoveries to patient care. Despite the increased attention to genetic research in Qatar, clinicians' attitudes towards the application of pharmacogenomics are not yet explored. The aim of this study was to assess the awareness and attitude of pharmacists compared with doctors towards pharmacogenomics and its implications by submitting an electronic-based survey to all pharmacists and doctors currently working in a large medical corporation in Qatar.A cross-sectional survey instrument was developed based on literature review. Eligible participants were pharmacists and doctors currently practicing in Hamad Medical Corporation hospitals in Qatar. The survey comprised questions on demographic and professional characteristics. It also evaluated the awareness, attitudes and challenges towards pharmacogenomics and its application.We collected 202 surveys, 108 (53.2%) of which were pharmacists and the remaining 94 (46.5%) were doctors. The overall participants' mean total awareness score percentage was low (39% ± 22) and there were no difference between the mean score achieved by pharmacists and doctors. Pharmacists had significantly more positive attitudes than doctors towards: (i) taking the responsibility of applying pharmacogenomics to drug therapy selection, dosing and monitoring; (ii) perceiving a positive role of pharmacogenomics testing on the control of drug expenditure; and (iii) their willingness to participate in pharmacogenomics-related training sessions. Both pharmacists and doctors perceived lack of knowledge and guidelines as major challenges towards the application of pharmacogenomics in Qatar.Despite doctors' and pharmacists' low level of awareness towards pharmacogenomics, they both have positive attitudes towards the clinical implications of pharmacogenomics. Pharmacists are more motivated to learn about pharmacogenomics and are more willing to take initiatives in its clinical application and patient education.© 2015 John Wiley & Sons, Ltd.
Clinical characteristics, myocardial perfusion deficits, and clinical outcomes of patients with non-specific chest pain hospitalized for suspected acute coronary syndrome: a 4-year prospective cohort study. - International journal of cardiology
Although the prognostic role of stress SPECT MPI is generally well established, its value in predicting non-fatal cardiac events in patients with acute, non-specific chest pain (NSCP) remains unclear. The aims of this study are 1) to describe the baseline clinical characteristics and prevalence of myocardial perfusion (MP) deficits, by use of an adenosine stress SPECT MPI, in NSCP patients without known CAD discharged after hospitalization for suspected ACS; and 2) to prospectively describe the 4-year clinical outcome in terms of all-cause and cardiac mortality; hospitalization and coronary revascularization procedures; and cardio-vascular events in patients with and without MP deficits.We evaluated a series of 272 consecutive patients with acute NSCP and aged 18-75years. ICD10-based registries were used to determine the primary outcome (a composite measure of incident CAD death, ACS, or revascularization) and two secondary outcomes (1. all-cause death; 2. a composite measure of cardiovascular death, ACS, revascularization, or stroke). Forty two (15%) participants had a MP deficit. During follow-up (median 1361days), 7 participants had a primary event, 4 died, and 20 had a secondary composite event. Annual event rates were 0.70, 0.39 and 2.07, respectively. MP deficits predicted both subsequent primary and composite secondary events (HR: 7.54; 95% CI=[1.69; 33.69] and 2.93 (95% CI=[1.10; 7.81], respectively). Usual clinical cardiac risk classification could not meaningfully differentiate between patients with and without MP deficits.SPECT MPI substantially improved prediction of incident CAD beyond usual clinical procedures and risk classification systems among NSCP patients.Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.
Improving diagnosis and treatment of women with angina pectoris and microvascular disease: the iPOWER study design and rationale. - American heart journal
The iPOWER study aims at determining whether routine assessment of coronary microvascular dysfunction (CMD) in women with angina and no obstructive coronary artery disease is feasible and identifies women at risk.All women with angina referred to invasive angiographic assessment in Eastern Denmark are invited to join the study according to in- and exclusion criteria. Assessment includes demographic, clinical and psychosocial data, symptoms, electrocardiogram, blood- and urine samples and transthoracic echocardiography during rest and dipyridamol stress with measurement of coronary flow reserve (CFR) by Doppler of the left anterior descending artery. In substudies CMD will be assessed by positron emission tomography, peripheral endothelial function, magnetic resonance imaging-and computed tomography derived myocardial perfusion scans, angiographic corrected TIMI frame counts, advanced echocardiographic modalities at rest and during stress, and invasive measures of CFR and coronary vascular reactivity. The study will include 2000 women who will be followed for 5 years for cardiovascular outcomes.By May 2013, 1685 women have been screened, 759 eligible patients identified, 530 contacted, and 299 (56%) agreed to participate. Among the first 50 patients, Doppler CFR was successfully measured in 49 (98%).Among women with suspected ischemic heart disease and no obstructive coronary artery disease, non-invasive Doppler CFR is feasible as a routine assessment. The study will provide information on methods to diagnose CMD and determine the prognostic value of routine non-invasive assessment of microvascular function. Future study will provide women identified with CMD participation in interventional substudies designed to test treatment strategies.Copyright © 2014 Mosby, Inc. All rights reserved.
Adherence of surgeons to antimicrobial prophylaxis guidelines in a tertiary general hospital in a rapidly developing country. - Advances in pharmacological sciences
Objectives. To assess the standard practice of care of surgeons regarding surgical antibiotic prophylaxis, to identify gaps, and to set recommendations. Methods. A retrospective analysis of data obtained from different surgical units in a single center in Qatar over a 3-month period in 2012. A total of 101 patients who underwent surgery and followed regimes for surgical prophylaxis as per hospital guidelines were included in the study. Results. The overall use of antibiotic was 89%, whereas the current practice did not match the recommended hospital protocols in 53.5% of cases. Prolonged antibiotics use (59.3%) was the commonest reason for nonadherence followed by the use of an alternative antibiotic to that recommended in the protocol (31.5%) and no prophylaxis was used in 9.2% of cases. The rate of compliance was significantly higher among clean surgery than clean contaminated group (P = 0.03). Forty-four percent of clean and 65% of clean-contaminated procedures showed noncompliance with the recommended surgical antimicrobial prophylaxis hospital guidelines. Conclusion. Lack of adherence to hospital protocols is not uncommon. This finding remains a challenge to encourage clinicians to follow hospital guidelines appropriately and to consistently apply the surgical antibiotic prophylaxis. The role of clinical pharmacist may facilitate this process across all surgical disciplines.
The value of serum FGF-23 as a cardiovascular marker in HD patients. - Saudi journal of kidney diseases and transplantation : an official publication of the Saudi Center for Organ Transplantation, Saudi Arabia
Fibroblast growth factor 23 (FGF-23) is a recently discovered regulator of phosphate and mineral metabolism and has been associated with both progression of CKD and mortality in dialysis patients. To evaluate the association between serum FGF-23 levels and echocardiographic measurements in long-term HD (HD) patients without cardiac symptoms, we studied 90 consecutive patients treated in a single HD center (51 males, 39 females; mean age 41.5 ± 14.2 years, mean HD duration 71.2 ± 14.2 months). Comprehensive echocardiography was performed after HD and blood samples were obtained before HD. The serum FGF-23 level in dialysis patients was 95.7 ± 88.4 pg/mL. In univariate analysis, serum calcium levels (r = 0.33, P <0.05), serum creatinine (r = 0.34, P <0.05), serum albumin (r = 0.35, P <0.05) and left ventricular mass index (LVMI) (r = 0.33, P <0.001) were correlated weakly with the FGF-23 levels. Neither s. phosphorus nor calcium x phosphorus product correlated with FGF-23. In univariate regression analysis, only LVMI [β = 0.42, P <0.05, confidence interval (CI) 0.3-4.3], serum calcium (β= 0.87, P <0.001, CI 0.8-7.3), serum albumin (β= 0.87, P < 0.001, CI 0.8-7.3) and serum creatinine (β= 0.67, P <0.05, CI 0.5-6.5) significantly correlated with FGF-23. FGF-23 was identified as a factor that is weakly associated with LVMI. Thus, FGF-23 alone may not be a parameter that can be used for evaluation of the cardiac status in HD patients.
Multiple arthroscopic debridement and graft retention in septic knee arthritis after ACL reconstruction: a prospective case-control study. - International orthopaedics
This study was undertaken to prospectively analyse, at a mean five-year follow-up, the clinical, functional, and radiographic outcomes in patients who developed postoperative acute septic knee arthritis following anterior cruciate ligament (ACL) reconstruction using hamstring autograft. We also assessed the effect of multiple arthroscopic debridement and graft retention on the functional outcomes in comparison with the matched control group.From a consecutive case series of 2,560 ACL-injured patients who were treated with arthroscopic ACL reconstruction, we report on 24 cases with postoperative septic knee arthritis. These patients were individually matched for age, sex, comorbidity, body mass index (BMI) and preinjury Tegner activity scale in a ratio of 1/1. Clinical, laboratory, synovial fluid analysis and culture were performed. Arthroscopic debridement and graft retention was done for all cases, in addition to antibiotic therapy i.v.. A detailed physical examination, KT1000 laxity testing, Lysholm knee score, Tegner activity level scale, International Knee Documentation Committee (IKDC), and Knee Injury and Osteoarthritis Outcome Score (KOOS) were completed.In all cases, treatment of infection was successful after a median of three (range one to six) repeated arthroscopic graft debridement and retention, in addition to antibiotic therapy i.v.. At an average of five years follow-up, two patients had over five millimetres manual maximum side-to-side difference in laxity. There were no significant differences between groups regarding Lysholm score, IKDC and KOOS. Median final Tegner activity score was 5.5 versus 7 in the control group (p = 0.004). Complications included graft rupture in three patients, loss of range of motion in five, Sudeck's atrophy in one and moderate joint narrowing in two. There were no recurrences of septic arthritis or bone infection.Graft retention seems not only possible but appropriate in view of the experience presented in this article for postoperative septic knee arthritis using hamstring autograft. A potential residual complication is arthrofibrosis, which deserves maximum attention.
Multi-drug resistance tuberculosis (MDR-TB) in Kassala State, Eastern Sudan. - Tropical doctor
This study investigates the prevalence of drug resistance and mutations in rpoB gene among Mycobacterium tuberculosis isolates from Kassala State, Sudan. In a cross-sectional study during 2011, sputum specimens (n = 90) were examined microscopically and grown cultures were identified by analysing IS6110 insertion sequence. Antimicrobial sensitivity and mutations in the rpoB gene were determined. Of the 90 specimens found which were positive for acid-fast bacilli (AFB), 65 (72.2%) showed growth of mycobacteria. Sixty (66.7%) of these were M. tuberculosis, 5 (5.6%) were rapidly growing mycobacteria and 10 (11.1%) revealed no growth. Of the 60 M. tuberculosis, 31 (51.7%) were drug resistant, including 18 multidrug resistant TB (30%), and 15 (83.3%) demonstrated mutations in the rpoB gene. Isoniazid and rifampicin revealed the highest resistance rates (64.5%, 61.3%, respectively). In conclusion, drug resistance M. tuberculosis in Kassala State was high (30%) and was found to be mainly (83.3%) due to mutations in the rpoB gene.
Omega-3 fatty acids as pharmacotherapeutics in psoriasis: current status and scope of nanomedicine in its effective delivery. - Current drug targets
Psoriasis is a multifactorial autoimmune skin disorder based on irregularities of the T- cell function. The abnormal keratinocyte hyper proliferation in psoriasis arises due to the activation of T-cells which produces rich amount of arachidonic acid leads to generation of various proinflammatory mediators like PGs, LTs, cytokines and adhesion molecules via MAPK/AP-1, EARK1/2 and protein kinase-C (PKCs) activation pathways. Incorporation of naturally occuring bioactives like, omega (ω)-3 fatty acids (i.e., EPA and DHA) in a dose dependent manner results in inhibition of various pro-inflammatory mediators and metabolization of EPA and DHA leads to dampening of inflammation and higher resolution of the skin abnromalities. These all due to the promotion of the synthesis of ω-3 PUFA-derived lipid mediators viz namely resolvins and protectins. These have been widely used alone or in combination with other drugs in the treatment of psoriasis. Despite of their meritorious visages, the use of these bioactives is associated with several hiccups like higher unstability and vulnerable to degradation due to lipid peroxidation, poor and incosistent bioavilability by oral and topical administration. The potential use of nanomedicines in the delivery of such bioactives has gained wider attention owing to their promising bioavailability enhancement characteristics, improved stability and better efficacy. The present review gives an extensive account on ω-3 fatty acids (EPA and DHA) starting from seedling to apex, including biosynthesis, metabolites, and its mechanism of action in psoriasis. Moreover, barriers in the effective delivery of ω-3 fatty acids and how nanomedicines can be fit in the scope of its therapeutic delivery in psoriasis have also been addressed. Despite numerous advantages, application of EPA-DHA as ω-3 fatty acids therapeutics in the management of psoriasis are still at an initial stage. Nanomedicines approach to achieve high bioavailable delivery with safety and stability of ω-3 fatty acids showing the promising area for the future in psoriasis management.
Design of dual band wearable antenna using metamaterials. - The Journal of microwave power and electromagnetic energy : a publication of the International Microwave Power Institute
This paper presents two types of dual band (2.4 and 5.8 GHz) wearable planar dipole antennas, one printed on a conventional substrate and the other on a two-dimensional metamaterial surface (Electromagnetic Bandgap (EBG) structure). The operation of both antennas is investigated and compared under different bending conditions (in E and H-planes) around human arm and leg of different radii. A dual band, Electromagnetic Band Gap (EBG) structure on a wearable substrate is used as a high impedance surface to control the Specific Absorption Rate (SAR) as well as to improve the antenna gain up to 4.45 dBi. The EBG inspired antenna has reduced the SAR effects on human body to a safe level (< 2W/Kg). I.e. the SAR is reduced by 83.3% for lower band and 92.8% for higher band as compared to the conventional antenna. The proposed antenna can be used for wearable applications with least health hazard to human body in Industrial, Scientific and Medical (ISM) band (2.4 GHz, 5.2 GHz) applications. The antennas on human body are simulated and analyzed in CST Microwave Studio (CST MWS).

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