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The Monosynaptic H-reflex excitability in post-Stroke patients.
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Backgrond: One of the major causes of impaired movements post-stroke is the abnormal phasing of paralytic muscles. Many studies suggested that inappropriate muscle phasing may be associated with enhanced transmission in the monosynaptic Group Ia afferent pathway in the affected limb of post-stroke patients and Group Ia reflexes are abnormally elevated and fail to decrease in amplitude during locomotion.

Objectives: This study was conducted to identify the changes in the Soleus muscle H-reflex excitability at rest in the affected lower limb of post-stroke patients as compared to the contra lateral side and of normal controls.

Patients and methods: The excitability of the monosynaptic Hoffman’s (H-reflex) pathway was tested in the affected side of 48 chronic stroke patients during rest and waking by calculation of the H-reflex wave amplitude and the ratio of maximal H /maximal M response amplitudes and compared to the contra lateral side as well as with that of 32 normal subjects of the matching age and sex. The H-reflex was evoked in the soleus muscle after stimulation of the tibial nerve at the popliteal fossa.

Results: The mean H-reflex wave amplitude (Ha) values are found to have statistical significant difference between the affected and non affected sides as well as between the affected side and the control group (P <0.05) while the mean maximum M-response amplitude (Ma) showed no statistical differences between all groups (P>0.05). However, the ratio of mean amplitude of the maximum H-wave to that of the maximum M-response (Ha/Ma) was significantly higher in the affected side as compared to the contra lateral and control group (P <0.05).

Conclusion: Our results showed that the Ha/Ma ratio does provide a helpful electrophysiological tool for the assessment of stroke patients by identifying motorneuron hyperexcitability, where in most cases of stroke there is a reflexologic characteristic differentiating them from normal, therefore, the Ha/Ma ratio is an interesting test that can be used to interpret recovery patterns and longitudinal effects of therapeutic interventions and follow up post-stroke.

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Publication Date
Tue Apr 01 2008
Journal Name
Journal Of The Faculty Of Medicine Baghdad
Retinal effects of Sildenafil in diabetic patients
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Background
Sildenafil has been used in the treatment of erectile dysfunction (ED). However it has the disadvantage of many visual disturbances. The aim of this work is to study the effect
of sildenafil on diabetic patients which might have ocular problems due to diabetes mellitus.
Materials and Methods:
A total of 30 subjects were enrolled in the study, they were divided into two groups. The control group consisted of 10 healthy subjects but complaining of ED only and the
other (20 patients) had diabetes mellitus and ED as well. All subjects had ocular tests done before and after sildenafil intake. It was obvious that sildenafil changed visual tests from totally normal for controls, before tre

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Publication Date
Fri Nov 24 2023
Journal Name
Iraqi Journal Of Science
Antineutrophil cytoplasmic antibodies in patients with tuberculosis
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Tuberculosis is caused by Mycobacterium tuberculosis; it is considered as one of the most common, infectious diseases and major causes of morbidity and mortality worldwide. A prospective study was conducted to obtain more clarification about the impact of causative agent and its treatment to enhance autoantibodies production such as ANCA and BPI which used as diagnostic markers for several diseases, and to provide further insight into the classical risk factors (age and sex).Seventy patients with tuberculosis involved in this study, 35 of them were untreated and 35 with treatment administration these patients were attending to directorate of general health national reference laboratory in Baghdad during the period between November/ 2012

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Publication Date
Sun Jan 03 2010
Journal Name
Journal Of The Faculty Of Medicine Baghdad
Cytokine Profile in Patients with Rheumatoid Arthritis
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Background: Cytokines produced by inflammatory cells play a pivotal role in synovial inflammation and joint destruction in rheumatoid arthritis.
Patients and Methods: The cytokine serum levels were measured by EASIA (Enzyme amplified sensitivity immunoassay) in sera from 50 RA patients, and 40 healthy donors. Cytokine levels were compared in different RA subpopulations (positive or negative rheumatoid factor (RF), long term or recent onset disease, high or low disease activity). In addition, the possible association with other demographic and clinical parameters (gender, age, etc) was also analyzed.
Results: It was demonstrated that IL-2, IL-6 and IFN-δ levels were elevated in serum samples of RA pati

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Publication Date
Sun Jul 01 2012
Journal Name
Journal Of The Faculty Of Medicine Baghdad
Carpal tunnel syndrome in Iraqi paraplegic patients
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Background: The median nerve in paraplegic patients, who must rely on increased hand activities including transfer and wheel-chair propulsion, may be subjected to increased pressure, so that the incidence of carpal tunnel syndrome (CTS) may be higher than that in the normal population.
Objectives: To study the prevalence and the severity of carpal tunnel syndrome in Iraqi paraplegic patients and to identify the effect of duration of the injury as a possible factor related to its occurrence to avoid any chronic problems which interfere with the hand functions since these patients are greatly dependent on their hands for their daily activities.
Patients and Methods: Fifty paraplegic patients (100 hands), whose level of spinal cord in

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Publication Date
Thu Apr 20 2023
Journal Name
Ibn Al-haitham Journal For Pure And Applied Sciences
Evaluation of Asprosin Hormone in Hypothyroidism Patients
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Asprosin was a novel adipokine that was released by white adipose tissue. It was activated by fasting and attracted to the liver, which allowed the liver to rapidly release glucose into the bloodstream. White adipose tissue was the source of asprosin. When people go on a fast, their blood sugar levels drop, which causes levels of the hormone asprosin to rise. It does this by binding to a G-protein-coupled receptor in the liver known as OR4M1, which in turn activates a cascade that involves the G -protein-cAMP-PKA pathway. Because of this, the glucose that is stored in the liver is released.  We anticipate that by investigating the changes that occur in asprosin levels in hypothyroidism patients, we will be able to make a significant

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Publication Date
Sun Jul 01 2007
Journal Name
Journal Of The Faculty Of Medicine Baghdad
HLA Profile in Iraqi Rheumatic Valvulitis Patients
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Background: Human leukocyte antigen (HLA) is the most polymorphic genetic system in man. The genes of this region influence susceptibility to certain disease.
Objectives: This study was established to shed light on the possible association of HLA class I and II antigens with RV patients.
Patients and Methods: Lymphocytotoxicity assay for HLA for class I and II typing had been done for (100) Iraqi patients suffering from rheumatic valvulitis (RV), the control groups consisting of (75 healthy individuals and 35 non rheumatic heart disease (NRHD) patients ).
Results: The results showed a significant association of A33-Ags with these patients as compared with healthy and cardiac controls (P=0.005), (P=0.033)

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Publication Date
Tue Jan 02 2007
Journal Name
Journal Of The Faculty Of Medicine Baghdad
Thromboembolic events in ß-Thalassemia major patients
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Background:Seventy eight patients with beta - thalassemia major were Collected randomly from the thalassemia center in Ibn-Al-Baldy Hospital (all of them were transfusion dependent),
together with fifty six age and sex matched healthy children were collected as a control.
Aim of the study: To determine the incidence of thromboembolism among them and to evaluate the precipitating factors.
Patients and Methods: History was taken and physical examination was done . EDTA Anticoagulated blood samples were taken prior to the next transfusion , platelet parameters were
estimated for both groups using the MS – 9 coulter counter.
Results: Thromboembolic events was detected in five patients (6.41%).The main site was

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Publication Date
Sun Jul 02 2006
Journal Name
Journal Of The Faculty Of Medicine Baghdad
cerebral venous thrombosis in 18 Iraqi patients
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background:

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Publication Date
Mon Apr 01 2013
Journal Name
Journal Of The Faculty Of Medicine Baghdad
QTc Prolongation in Patients on Antipsychotic Drugs
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Background: There is a recognized association between prolongation of the heart rate corrected QT interval (QTc) and antipsychotic drugs. QTc prolongation may increase the risk of ventricular tachyarrhythmias, especially torsade de pointes, and therefore, sudden cardiac death.

Objective: This study assess the effect of antipsychotics and prolongation of the heart rate corrected QT interval (QTC), and QTC prolongation may increase the risk of ventricular tachyarrhythmias, especially torsade de pointes and sudden cardiac death.

Results: Abnormal QTc was defined as an interval of more than 440 ms (0.44 second) and was present in 21.7% (43 patients of 198). Benzhexol (-0.333

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Publication Date
Sun Jul 04 2010
Journal Name
Journal Of The Faculty Of Medicine Baghdad
Renal Dysfunction in Patients with Heart Failure
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Background: The coexistence of renal and heart failure carries an extremely bad prognosis. The exact cause of deterioration of kidney function and the mechanism underlying this interaction are complex, multifactorial in nature, and still not completely understood. Both the heart and the kidney act in tandem to regulate blood pressure, vascular tone, diuresis, natriuresis, etc.
Patients and methods: Sixty patients mean age 65.5 year were complaining heart failure duo to different causes assessed for renal function (blood urea &creatinine) and cardiac function by echocardiography in day 0 and 10 day after treatment of heart failure.
Results: The mean value (±S.D) of blood urea and serum creatinine on day 0 were 64.17mg/dL (±30.

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