مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Issue Information

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Title: 
Author(s): 

Issue Info: 
  • Year: 

    0
  • Volume: 

    19
  • Issue: 

    98
  • Pages: 

    -
Measures: 
  • Citations: 

    0
  • Views: 

    3264
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Issue Info: 
  • Year: 

    2012
  • Volume: 

    19
  • Issue: 

    98
  • Pages: 

    1-10
Measures: 
  • Citations: 

    0
  • Views: 

    983
  • Downloads: 

    0
Abstract: 

Background: Living in polluted areas could be considered a risk factor for preterm labor and low birth weight. Few studies examined the association between air pollution and abortion. The aim of this study was to determine the relationship between ambient air pollutant and rate of spontaneous abortion.Methods: This study was a case-control research conducted on 148 cases of spontaneous abortion (case group) and 148 pregnant women (control group). Samples were collected randomly from 10 hospitals in Tehran in 2011. The correlation between spontaneous abortion and air pollution was investigated by the SPSS software using independent sample t-test, multiple and linear regression models and also Arc View geospatial information system (GIS) software using circular buffer.Results: The mean of environmental sulfur dioxide and nitrogen dioxide concentration in case group (35.91±20.46, 49.62±19.87) was significantly higher than that of the control group (29.1±11.11, 45.67±13.2) (p=0.000, p=0.045). Also it was determined that the rate of abortion was higher in those living within 100 meters of the highways.Conclusion: According to the findings of this study it seems that air pollution and living near crowded areas threaten the health of pregnant women and fetus. Thus, it is suggested to present necessary training about the hazardous effects of air pollution on pregnancy of women residing in crowded areas of city and also to adopt ways to reduce these pollutions.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Issue Info: 
  • Year: 

    2012
  • Volume: 

    19
  • Issue: 

    98
  • Pages: 

    11-18
Measures: 
  • Citations: 

    2
  • Views: 

    1205
  • Downloads: 

    0
Abstract: 

Background: Diabetes mellitus as a chronic disease is associated with complications and stress. Empowerment as a coping index in health issues can be helpful among diabetic patients. In this study, we aimed to determine empowerment and adoption of self-management behaviors and its related factors among type 2 diabetic patients referring to hospitals affiliated to Tehran University of Medical Sciences during 2010.Methods: This study was a cross-sectional research conducted during a 9 months period (2010-2011). A total of 688 samples were selected by random sampling. A questionnaire consisting of three parts including socio-demographic and health related data, diabetes empowerment scale (28 items), and diabetes self- management instrument (35 items) was used. Collected data was analyzed by SPSS software version 18 with using parametric and nonparametric tests.Results: Response rate was 100%. Mean age of participants was 54.41±8.22 (Mean±SD). Study findings showed that empowerment had significant relation between level of education (p=0.006) and age (p=0.009). Self- management and some variables such as age (p<0.001), level of education (p<0.001), marital status (p=0.04) and disease duration (p=0.004) had significant relationship. Also, Pearson correlation coefficient showed that empowerment had reverse and linear relation with adoption of self-management behaviors among type 2 diabetic patients. Thus, by increasing empowerment score, adoption of self-management behaviors is increased (r=0.28, p<0.001).Conclusion: Regarding to relation between empowerment and adoption of self-management behaviors, focusing on planning empowerment based interventions has been more highlighted. It seems these strategies can be helpful in decreasing complications and mortality.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Issue Info: 
  • Year: 

    2012
  • Volume: 

    19
  • Issue: 

    98
  • Pages: 

    19-27
Measures: 
  • Citations: 

    0
  • Views: 

    1292
  • Downloads: 

    0
Abstract: 

Background: Although factors such as implant length, location, and diameter as well as bone quality have been associated with excessive failure rates, smoking is suggested as a stronger predisposing factor for higher failure rates. Thus, knowing the relationship between bone loss around the dental implants, maintenance of the implants and smoking could be a principle step towards solving these problems. The aim of this study was to compare bone loss rate around the dental implants in smokers and none smokers.Methods: This retrospective cohort study was performed on ITI implants (Straumann) replaced in 36 patients. After written testimonial was obtained, clinical observations was done based on questionnaire, the data of age, gender, systemic status, date of surgery, tooth replaced with implant, implant length, duration of placed implant (in months), and cigarette smoking. Implants were placed in two groups: non smokers (60 case specimen) and smokers (30 control specimen). After obtaining OPG radiography, data such as occlusion type, oral hygiene, situation of the opposite tooth, PPD and BOP was gathered. Finally, the rate of bone loss was calculated using radiography and measuring the changes in the height of bone around the implant from the time of surgery to the time of this study. After gathering information by SPSS, statistical tests such as Chi-Square and ANOVA were done.Results: In this study there was statistically significant relationship between the smoking and BOP (p<0.05) and smoking and PPD (p<0.05). Finally, there was statistically significant relationship between the smoking and rate of bone loss (p<0.05). The mean rate of bone loss in the non-smokers and smokers was 0.32±0.51 mm and 0.69±0.52 mm, respectively.Conclusion: In this study, smoking had effect on survival rate or bone less around implant.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Issue Info: 
  • Year: 

    2012
  • Volume: 

    19
  • Issue: 

    98
  • Pages: 

    28-36
Measures: 
  • Citations: 

    0
  • Views: 

    733
  • Downloads: 

    0
Abstract: 

Background: Epidemiological studies showed that low back pain after load-carrying and holding is the most common disorder in industrialized countries and cause of dysfunction and economic problems. Variable dynamic loads impose varying moments about the intervertebral joints and cause a threat to balance. The aim of the present study was to compare the postural stability while holding dynamic load among subjects with and without nonspecific low back pain.Methods: In this semi-experimental study 24 men (12 healthy and 12 low back pain) participated. Subjects held static and dynamic loads in neutral and flexed trunk position (12 conditions). Center of pressure (COP) data were used to calculate: displacement, velocity and its standard deviation in Anterior- Posterior (AP) and Medial-Lateral (ML) directions, and path length.Results: The results of repeated measurements and independent T- tests showed that displacement of COP in ML direction in low back pain patients (1.31, 1.22 cm) during holding dynamic loads (10-15 Hz) is more than healthy subjects (1.03, 1.10 cm ). AP displacement, ML velocity and its standard deviation, path length, standard deviation of ML displacement in flexed and AP velocity in standing position during holding dynamic loads are more than static loads.Conclusion: The increased displacement of COP in subjects with low back pain during holding dynamic loads is probably due to higher sensory threshold in this patient. In addition, external perturbations in dynamic loads increase postural sway and may cause spinal injury.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Issue Info: 
  • Year: 

    2012
  • Volume: 

    19
  • Issue: 

    98
  • Pages: 

    37-44
Measures: 
  • Citations: 

    0
  • Views: 

    3377
  • Downloads: 

    0
Abstract: 

Background: Normal hearing is essential for development of appropriate academic and psychosocial skills in children. Many causes of hearing loss are preventable and curable. The aim of this study was to investigate the prevalence of types and probable causes of hearing loss in 15-5 years old hearing impaired children in Isfahan.Methods: In a cross-sectional descriptive study conducted during 2007-09, 628 children aged 5-15 years with hearing problems referring to Hearing clinics in Esfahan were studied. In children with hearing loss physical exam, audiometry and tympanometry was done. Detailed information about potential etiologies of hearing loss was obtained on a questionnaire. Later common types of hearing loss and probable risk factors were evaluated. Data analysis was done with Logistic regression and Chi2 tests and SPSS version 14.Results: The most common types of hearing loss in this group were conductive (%60.83), followed by Sensorineural Hearing Loss (SNHL) (%30.89) and mixed (%8.28). In children with conductive hearing loss the common cause was serous otitis media (%69.9), tympanic membrane (TM) perforation with or without otorrhea (%27.74), tympanosclerosis and ossicle fixation (%1.05), head and ear trauma (%1.05) and external ear deformity (% 0.26). In children with SNHL the probable etiology was history of febrile Illness (meningitis, measles, rubella, mumps) (60.62%), severe neonatal hyperbilirubinemia (%13.4), exposure to noise (%9.79), exposure to gentamycin and other ototoxic drugs (%5.67), head and ear trauma (%2.57), maternal illness (%7.21), neonatal respiratory distress (%7.21), family history of hearing loss (%2.06) and unknown (%31.44). In mixed hearing loss common etiology was Chronic Otitis Media (COM) (%78.85) and serous otitis media (%21.15).Conclusion: Hearing loss is common in 5-8 years old children (%67.36) and common cause of hearing loss in this age group is inflammatory disease of the middle ear, which is easily preventable and curable. Specific attention is essential in this group.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Issue Info: 
  • Year: 

    2012
  • Volume: 

    19
  • Issue: 

    98
  • Pages: 

    45-51
Measures: 
  • Citations: 

    0
  • Views: 

    1266
  • Downloads: 

    0
Abstract: 

Background: Larsen syndrome has complex clinical manifestations accompanying different congenital joint dislocations. Therefore, early diagnosis, correct treatment and prevention of complications are essential. This study was performed on 10 cases of Larsen syndrome and their clinical / radiological aspects were assessed.Case report: In our review, there were 6 male (cases 1 to 6) and 4 female patients. The youngest and oldest patients at the time of referral were 3 and 51 years old, respectively. An interesting aspect is that hypertelorism and nose widening were detected in all cases. In spine, six patients had Spina bifida, whereas hip dislocation was also detected in eight cases. The significant points were high riding DDH in a 46- year old female patient and bilateral femoral head subluxation in a 51- year old male patient. Knee dislocation was seen in 9 patients. The above two cases had neglected knee dislocation, but acceptable knee function was reported. In upper extremities of eight patients, radial head posterior dislocation was seen. A 5- year old male patient had distal humerus physical deformity. All patients had 2nd metacarpal base deformity (double epiphysis in 2nd metacarpal bone).Conclusion: Concerning multiple joints involvement in the syndrome, accurate physical examination is essential. Prioritization and staged management of the involvements is recommended.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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