Search published articles


Showing 8 results for Farhang
Mid-term results of pulmonary valve replacement in patients with total correction of Tetralogy of Fallot in Rajaei Heart Center, Tehran, Iran
Alizadeh Sani Z, Farhang I, Kiyavar M,
Volume 69, Issue 9 (6 2011)
Abstract

Normal 0 false false false EN-US X-NONE AR-SA MicrosoftInternetExplorer4 Background: The aim of this study was to evaluate the mid-term outcomes of concurrent total correction of Tetralogy of Fallot (TOF) after pulmonary valve (PV) replacement and its relation to QRS duration and MRI results.
Methods:  In this study, 51 patients with TOF who had the TOF surgery and PV replacement enrolled the study. Demographic data, MRI results such as, right ventricular end diastolic volume, right ventricular end systolic volume, systolic and diastolic indexes noted. Moreover, QRS duration and the patients' cardiac functional class were evaluated immediately before and 6 months after the surgery.
Results:  From 51 patients, 27.5% were female and 72.5% were male. The mean age of participants was 23.48 (SD=5.82) years. Functional class changes were statistically different (P<0.001) comparing the status before and after the surgery. The mean QRS duration before surgery was 130.20 (SD=16.89) ms which was in significant contrast with post-surgical states, 122.45 (SD=16.90) ms (P<0.001). Mean QRS duration before and after surgery was statistically lower in asymptomatic patients (P=0.028 and P=0.025, respectively). There was a statistical relationship between pre-surgical systolic and diastolic indexes to post-surgical functional class as asymptomatic patients had lower systolic and diastolic indexes (P=0.005 and P=0.028, respectively).
Conclusion: This study demonstrated that QRS duration before and after surgery can be an indicator to evaluate the cardiac function after surgery for Tetralogy of Fallot. Moreover, systolic and diastolic indexes are factors affecting the good prognosis of patients therefore, PVR surgery needs to be done before the deterioration of systolic and diastolic indexes and cardiomegaly.


Comparing measurements of mitral valve area by two-dimensional planimetry and continuity equation in patients with mitral stenosis
Sattarzadeh Badkoobeh R, Derakhshan L, Farhang Zand Parsa A, Pasha Meysamie A, Khosravi B, Grayly B, Jabari Sm,
Volume 70, Issue 8 (5 2012)
Abstract

Background: Measurements of mitral valve area (MVA) are essential to determine the severity of mitral stenosis (MS) and adopt the best management strategies. The aim of the present study was to compare MVA determined by two-dimensional (2D) planimetry to MVA measured by continuity equation (CE) in patients with moderate to severe MS.
Methods: We evaluated 73 consecutive patients with the diagnosis of MS scheduled for balloon mitral valvuloplasty or with moderate to severe rheumatic MS admitted at the echocardiography clinic of Imam Khomeini Hospital in 2010. Using 2D images of mitral valve obtained from paraesternal short axis view, 2D planimetry of the mitral orifice area was performed by an experienced cardiologist. MVA by CE was calculated from aortic forward stroke volume divided by transmitral time-velocity integral.
Results: The mean value of MVA by 2-D planimetry was 1.0±0.3 cm2. The average values of MVA measured by PHT and CE were 1.0±0.3 cm2 and 0.9±0.4 cm2, respectively. The MVA determined by planimetry correlated well with CE (r=0.832, standard error of estimation [SEE]= 0.166, P<0.001). The mean values of MVA calculated by CE highly correlated with those calculated by 2-D planimetry in patients presenting with both non-significant (r=0.701) and significant (r=0.761) AIs.
Conclusion: When planimetry is not feasible, such as in severe calcification of mitral valve or after percutaneous balloon valvuloplasty, CE could be an alternative method for MVA measurement in comparison with PHT.


Relationship between advanced glycation end-products with the severity of chronic heart failure in 85 patients
Amir Farhang Zand Parsa, Soudabeh Nejati , Alireza Esteghamati ,
Volume 71, Issue 9 (December 2013)
Abstract
Background: Advanced glycation end-products (AGEs) came up with the recent researches regarding new biomarkers for the diagnosis of heart failure. AGEs are the end products of non-enzymatic glycation and oxidation of proteins, lipids and nucleotides during Maillard biochemical reaction. Although it has been known that AGEs have a role in the pathogenesis of chronic heart failure (CHF), information regarding its role and its pathogenetic mechanism is very limited. The aim of this study was to find any relationship between AGEs with the etiology and severity of chronic heart failure.
Methods: This study is a prospective cross sectional study that enrolled 85 patients with chronic heart failure. Measurement of left ventricle ejection fraction (LVEF) was done by echocardiography. Blood samples were collected for measuring AGEs just before or after echocardiography assessment (in the same session). Measurement of AGEs was done by the enzyme-linked immunosorbent assay (ELISA) method. The relationship between AGEs with the severity of CHF and as well as the etiology of CHF were evaluated via SPSS-15.
Results: Of 85 patients 48 (56.5%) patients were male and 37 (43.5%) were female Mean±SD of their ages was 55.8±13.4 years old (ranges from 27 to 84 years). Correlation coefficient between LVEF and AGEs was 0.269 (P=0.013). Mean of AGEs in patients with and without ischemic etiology of their heart failure were 16.8±9.8µg/ml and 11.6±7.3 µg/ml, respectively. Although trend was in favor of ischemic heart failure, the difference between two groups was not statistically significant (P= 0.141).
Conclusion: According to this study the rate of AGES could be helpful in the diagnosis and assessment of severity of CHF. Based on our findings, higher blood levels of AGEs in the ischemic CHF cases, also it could be concluded that in the future this marker may be used for etiologic differentiation of heart failure syndrome.

The relationship between serum level of 25 OH-Vitamin D3 and severity of coronary artery disease
Amir Farhang Zand Parsa, Parsa Faryadras , Alireza Esteghamati, Naser Gilani Larimi,
Volume 71, Issue 11 (February 2014)
Abstract
Background: Although a few studies have shown the positive correlation between patients’ serum concentration of 25 OH-Vitamin D3 and type II diabetes mellitus, metabolic syndrome, and insulin resistance, there are controversies regarding the relationship between 25 OH-Vitamin D3 as a risk factor for cardiovascular atherosclerotic diseases that has to be cleared. The aim of this study was to evaluate the association between the rate of 25 OH-Vitamin D3 and the presence and severity of coronary artery disease (CAD) in Patients with suspected CAD. Methods: This study was a cross sectional study that has been conducted in the department of cardiology in Imam Khomeini Hospital complex in collaboration with endocrinology research center. In this study 178 patients with suspected coronary artery disease (CAD) were enrolled. Based on their history and clinical findings coronary angiography was performed in all patients. Severity of CAD has been assessed by using Gensini score, based on their coronary angiography findings. The relationship between severity of CAD and their serum level of 25 OH-Vitamin D3 was evaluated. Serum level of 25OH- Vitamin D3 was measured by the enzyme-linked immunosorbent assay (ELISA) method by Euroimmiune kits (from Germany). Results: Of 178 patients, 50 (28.1%) were female and 128 (71.9%) were male. Mean±SD of their ages was 56.2±11.8 years old. Significant coronary artery stenosis (stenosis more than 50% luminal diameter) was observed in 91 (51.1%) of patients. Mean±SD of serum level of vitamin D3 in patients with CAD was 45±35 nm/l and in patients without CAD was 55±44 nm/l (P= 0.047). Mean±SD of Gensini score was 26.3±21.1, as well. Therefore correlation coefficient between 25 OH-Vitamin D3 and Gensini score was -0.262 (P= 0.043). Conclusion: Although there is a trend toward association between deficiencies of 25 OH-Vitamin D3 and the presence of CAD but their association is not statistically significant. For achieving more convincing findings larger studies are needed.
Comparing new diagnostic criteria of 2010 ACR/EULAR with 1987 ACR criteria in rheumatoid arthritis
Fatemeh Shirani , Farhang Soltany-Bajestani ,
Volume 74, Issue 10 (January 2017)
Abstract

Background: Rheumatoid Arthritis (RA) is a chronic inflammatory disease presenting with inflammation, tenderness and destruction of the synovial joints, resulting in severe disability and early death due to complication of disease. Previous diagnostic criteria are not useful for identifying patients who need early treatment. Thus, new diagnostic criteria for faster diagnosis of disease are introduced in 2010. The aim of this study was to compared 1987 ACR (American College of Rheumatology) criteria and 2010 ACR/EULAR (European League Against Rheumatism) classification criteria for diagnosis of rheumatoid arthritis.

Methods: In this Cohort prospective study, patients with early arthritis were evaluated   according to the old and new diagnostic criteria and followed-up every two monthly for one year (2012-2013) in Hazrat-e Rasool University Hospital, Tehran. Inclusion criteria of this study were age more than 18 year and indefinite diagnosis of arthritis. For all of patients physical examination by expert rheumatologist was done and lab data include erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), anti-cyclic citrullinated peptide (Anti-CCP) and rheumatoid factor was requested. The sensitivity, specificity, positive and negative predictive values were then determined for each diagnostic criteria.

Results: In this study 104 patients including 28 males (26.9%) and 76 females (73.1%) with the mean age of 44.2±13.7 years were included. At the end of one year follow-up, 82 were diagnosed to have RA while other 22 patients were not categorized as RA. Sensitivity for ESR, CRP, Anti-CCP and rheumatoid factor in 2010 ACR/EULAR criteria was 52%, 19%, 48%, 28% and specificity for them was 45%, 71%, 27%, 79% respectively. Number of small and large joint arthritis were more in patients with Rheumatoid Arthritis (RA) rather than other arthritis (P=0.0001). Sensitivity and specificity for small joints involvement was 87% and 54% and for large joints involvement was 81% and 59%. The sensitivity, specificity, positive and negative predictive values for 2010 ACR/EULAR criteria were 65%, 40%, 81%, and 23%, respectively. The sensitivity, specificity, positive and negative predictive values for 1987 ACR criteria were 51%, 62%, 83%, and 25% respectively.

Conclusion: In comparison to the old diagnostic criteria, the new one has higher sensitivity and lower specificity.

Evaluation of stress, anxiety and depression in parents of children with leukemia: brief report
Hamid Farhangi , Fatemeh Mohareri , Lida Jarahi , Parisa Armanpoor ,
Volume 74, Issue 10 (January 2017)
Abstract

Background: Cancer diagnosis is the biggest stress for the child and his family. Diagnosis and treatment of cancer in children can cause stress, which often has a negative effect on the health of parents. Psychological reactions such as anxiety, depression, denial and loss of confidence in parents observed that because of the fear of recurrence and future of children. This study aimed to determine the level of stress and anxiety and depression in parents of children with leukemia who were in the maintenance phase of treatment.

Methods: This cross-sectional study has been conducted on 48 parents have referred to the clinic of Dr. Sheikh Hospital of Mashhad City, Iran, whom selected using easy sampling method. DASS-21 questionnaire was used for data collection. Another questionnaire containing demographic information such as age, sex, income, educational level and duration of illness was filled under supervision of the psychologist and pediatric physician. Data with SPSS software, ver. 20 (IBM, Armonk, NY, USA), descriptive statistics and Pearson correlation analysis was performed.

Results: The results showed that in this study, 37% had abnormal stress levels (33% and 2% of mild stress, moderate stress and severe stress 2%) and 79% had abnormal anxiety level (mild 19%, moderate 31% and severe 29%) and 67% had abnormal depression level (mild 33%, moderate depression 33%) tests, respectively. In our study, there was no relationship between age, sex and duration of illness with these variables.

Conclusion: According to this study, in addition to the classic treatment of patients, parent’s mental performance should be paid attention.


The Relationship between exposure to manganese in welding fumes and incidence of migraine headache symptoms
Younes Mehrifar , Hamideh Pirami , Somayeh Farhang Dehghan ,
Volume 76, Issue 2 (May 2018)
Abstract
Background: Welding generates complex metal aerosols, inhalation of which is linked to adverse health effects among welders. Exposure to manganese (Mn) fume in welding processes can have a harmful effect on welders’ health. Long-term, high-level exposure to Mn is associated with impaired central nervous system (CNS) function. The present study aims to investigate relationship between exposure to manganese in welding fumes and incidence of migraine headache symptoms.
Methods: This cross-sectional analytic study was conducted in March 2017 in an Iron Smelting Industry. Forty welders were selected as the exposure group and thirty-five employees were selected from the administrative unit as the control group. Data related to symptoms of migraine headache were collected using with Ahvaz migraine questionnaire (AMQ). Air samples were collected on mixed cellulose ester membrane filters in personal air samplers and then analyzed using inductively coupled plasma atomic emission spectroscopy (ICP-AES) (NIOSH Method 7300).
Results: The average concentration of welder’s exposure to manganese was 7.24±2.91 mg/m3, which is very higher (37 times) than the occupational exposure limit (Threshold limit value-time-weighted average). There was no significant difference between the mean age and work experience of the two groups (P<0.05). Comparison of the mean of migraine headache symptoms in the two groups of welders and office workers also showed that the frequency of these symptoms among welders was significantly higher than those reported by administrative staff (P<0.05). The correlation between the frequency of symptoms of migraine headache and the concentration of manganese in the air of the welders’ respiratory area was statistically significant (P<0.05).
Conclusion: Frequency of migraine headache symptoms was higher among welders compared to control group. Statistically the significant relationship was found between airborne Manganese concentration and occurrence of migraine headache; however, a conclusive conclusion is based on more comprehensive studies with larger sample size.

Evaluation of thyroid hormones in patients with lead poisoning
Saeed Nouri , Anahita Zoghi , Mohammad Reza Sharif , Najla Farhang , Maziar Shojaei ,
Volume 76, Issue 7 (October 2018)
Abstract
Background: Each toxic agent results in unique presentations, depending on what neurophysiological changes occur following exposure. Scientific understanding of lead toxicity in the organ systems and at low levels of exposure continues to evolve. However, effects of lead poisoning on the thyroid gland function are controversial. In this descriptive study, changes in thyroid hormones in patients with lead poisoning were compared with patients with opioid addiction and healthy individual who were matched for age and sex.
Methods: In this descriptive study, which was conducted from March 2016 to February 2017 in Loghman Hakim Hospital in Tehran, ninety patients were evaluated using convenient sampling method for lead and thyroid hormones levels. The levels of lead and thyroid hormones were evaluated using standard laboratory method, in thirty male patients with lead poisoning, thirty male patients with opioid addiction referring to addiction treatment center and thirty healthy male referring to a blood donation center who were matched for age. Thyroid function parameters in patients with lead toxicity were compared with those of control groups.
Results: The lead level in the lead toxicity group was 57.5±23.5 µg/dl, in the first control group with opium addiction 7.8±3.8 µg/dl and in the healthy male referring to a blood donation center, 5.9±9 µg/dl. Thyroid stimulating hormone (TSH) was significantly lower in patients with lead poisoning (0.2±0.01 Milli-International Units Per Liter (mIU/L) than in the patients with opioid addiction (2.4±1/05 mIU/L) and healthy male referring to a blood donation center (2.3±0.01 mIU/L) (P= 0.04), and thyroxine hormone (T4) was significantly higher in patients with lead poisoning (17.8±2.6 µg/dl) than in the patients with opioid addiction (8.8±1/9 µg/dl) and healthy male referring to a blood donation center (7.4±3.5 µg/dl) (P= 0.02).
Conclusion: Lead toxicity has an effect on thyroid function and it reduces thyroid stimulating hormone and increases thyroxin levels. Clinicians should be aware of the potential hazardous effects of lead on the thyroid and mechanisms through which lead causes these effects on thyroid function need to be elucidated.

Page 1 from 1     

© 2024 , Tehran University of Medical Sciences, CC BY-NC 4.0

Designed & Developed by : Yektaweb