Papers by maryam Atakhorrami
The system and method are realized by a computer to determine the BODE index value of a patient i... more The system and method are realized by a computer to determine the BODE index value of a patient is provided. This method obtains the BMI data using Body Mass Index (BMI) measuring device. Airway obstruction measuring device for acquiring airway obstruction data, measures the airway obstruction of the patient. Respiratory rate sensor, in order to obtain the respiration rate data, to measure the patient's respiratory rate. Activity Monitor, in order to get the physical activity data, to measure the physical activity of the patient. Processor, Body Mass Index data, airway obstruction data, based on the respiration rate data and physical activity data, executes a computer program module for determining BODE index values of the patient.
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D49. IMPACT OF COPD EXACERBATION ON COMORBIDITIES, 2012
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The International Journal of Tuberculosis and Lung Disease, 2012
The association between physical activity and risk of hospitalisation for chronic obstructive pul... more The association between physical activity and risk of hospitalisation for chronic obstructive pulmonary disease (COPD) is not yet clear. We conducted a systematic review of the literature to fill this gap in knowledge. Eight electronic databases were searched using a selection of controlled vocabulary and keywords. The search resulted in more than 1000 initial hits, of which four met the inclusion criteria. For each identified study, relevant data were extracted and appraised. The results indicate that less physically active patients with COPD were more likely to be admitted to hospital. Consistent with a lower level of physical activity, the patients tended to have shorter walking times as well as spend fewer hours outdoors. In multivariate regression analysis, self-reported physical activity predicted hospitalisation in patients from the general population and re-hospitalisation in patients admitted for an acute exacerbation. The evidence for an association between physical activity and risk of hospitalisation for COPD is limited to a few prospective cohort studies. More research is needed to quantify the degree of physical activity associated with reduced risk of hospitalisation.
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Annals of Medicine, 2013
This review evaluated the effects of activity monitor-based counseling on physical activity (PA) ... more This review evaluated the effects of activity monitor-based counseling on physical activity (PA) and generic and disease-specific health-related outcomes in adults with diabetes mellitus type II (DMII), chronic obstructive pulmonary disease (COPD), or chronic heart failure (CHF). Four electronic databases were searched for randomized controlled trials using activity monitor-based counseling versus control intervention or usual care in adults with DMII, COPD, or CHF. Pooled effect sizes were calculated using a random effects model. Twenty-four articles were included: 21 DMII studies and 3 COPD studies. No CHF studies were identified. Pooled analysis showed that activity monitor-based counseling resulted in a significantly greater improvement in PA compared to control intervention or usual care in DMII. Furthermore, these interventions had a beneficial effect on hemoglobin A1c (HbA1c), systolic blood pressure, and body mass index (BMI) (P < 0.05), whereas no differences were found on diastolic blood pressure, and health-related quality of life. Meta-analysis of COPD studies was not possible due to lack of available data. Activity monitor-based counseling had a beneficial effect on PA, HbA1c, systolic blood pressure, and BMI in patients with DMII. Data in patients with COPD and CHF are limited or non-existing, respectively.
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B102. COPD: CHALLENGES AFFECTING DIAGNOSIS, TREATMENT, AND HEALTH OUTCOMES, 2012
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Asia Optical Fiber Communication and Optoelectronic Exposition and Conference, 2008
ABSTRACT We present techniques based on optical trapping of micron-sized particles as probes and ... more ABSTRACT We present techniques based on optical trapping of micron-sized particles as probes and detecting their motion with sub-nanometer accuracy at 100 kHz bandwidth that can measure viscoelastic properties of biomaterials and cells on micrometer scales.
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Mechanics of the 21st Century
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Physical Review Letters, 2014
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Macromolecules, 2005
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COPD: Journal of Chronic Obstructive Pulmonary Disease, 2013
Home-based exacerbation management programs have been proposed as an approach to reducing the cli... more Home-based exacerbation management programs have been proposed as an approach to reducing the clinical and financial burden of COPD. We demonstrate a framework to evaluate such programs in order to guide program design and performance decisions towards optimizing cost and clinical outcomes. This study models the impact of hypothetical exacerbation management programs through probabilistic Markov simulations. Patients were stratified by risk using exacerbation rates from the ECLIPSE study and expert opinion. Three scenarios were modeled, using base, worst and best case parameters to suggest potential telehealth program performance. In these scenarios, acute exacerbations could be detected early, with sensitivity and specificity ranging from 60-90%. Detected acute exacerbations could be diverted to either a sub-acute pathway (12.5-50% probability), thus entirely avoiding hospitalization, or a lower cost pathway through length-of-stay reduction (14-28% reduction). For a cohort of patients without prior hospitalization, the base case telehealth scenario results in a cumulative per-patient lifetime savings of $2.9 K over ≈ 12 years. For a higher risk cohort of patients with a prior admission and 1 to 2 acute exacerbations per year, a cumulative $16K per patient was saved during the remaining ≈ 3 life-years. Acceptable prices for home-based exacerbation detection testing were highly dependent on patient risk and scenario, but ranged from $290-$1263 per month for the highest risk groups. These results suggest the economic viability of exacerbation management programs and highlight the importance of risk stratification in such programs. The presented model can further be adapted to model specific programs as trial data becomes available.
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High-bandwidth microrheology of complex fluids and biopolymer networks Maryam Atakhorrami Page 2.... more High-bandwidth microrheology of complex fluids and biopolymer networks Maryam Atakhorrami Page 2. This thesis was reviewed by: prof.dr. ... High-bandwidth microrheology of complex fluids and biopolymer networks Maryam Atakhorrami Page 10. This thesis was reviewed by: ...
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Physical Review E, 2006
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Papers by maryam Atakhorrami