Syed Raza - Academia.edu (original) (raw)

Papers by Syed Raza

Research paper thumbnail of A comparative study of heuristic algorithms to solve maintenance scheduling problem

Journal of Quality in Maintenance Engineering, 2007

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Research paper thumbnail of A new policy for scheduling maintenance on a single machine

International Journal of Applied Decision Sciences, 2010

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Research paper thumbnail of Diphtheria in an adult: how well prepared are we in tackling the disease? A case report

Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India, 2011

Diphtheria is a forgotten communicable disease and presumed to be under sufficient control so muc... more Diphtheria is a forgotten communicable disease and presumed to be under sufficient control so much so that life savings drugs required for its treatment has disappeared from most hospitals. Contrary to this belief, classical diphtheria continues to exist in many parts of India despite extensive immunizations campaigns raising the suspicion of resurgence. The absence of essential drugs in treatment of this condition has further worsened the situation. The expenditure involved in procuring these drugs is yet another constraint. We here by present one such case of adult diphtheria and discuss the problems associated with its diagnosis and treatment.

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Research paper thumbnail of An epidemiological study of urban and rural children in Pakistan: examining the relationship between delayed psychomotor development, low birth weight and postnatal growth failure

Transactions of the Royal Society of Tropical Medicine and Hygiene, 2015

Low birth weight is known to be associated with postnatal growth failure. It is not yet establish... more Low birth weight is known to be associated with postnatal growth failure. It is not yet established that both conditions are determinants of psychomotor development. The study investigated whether or not low birth weight leads to delayed psychomotor development of a child, and whether it can be mitigated by adequate postnatal growth. A cross-sectional study was conducted in 2002 in 15 rural and 11 urban communities of Sindh province, Pakistan. Assessment of 1234 children less than 3 years of age included Bayley's Scale of Infant Development II, socioeconomic questionnaire and anthropometry; WHO standards were used to calculate z-scores of height-for-age, weight-for-height and weight-for-age. The underlying study hypotheses were tested through multiple regression modelling. Out of 1219 children, 283 (23.2%) had delayed psychomotor development and 639 (52.4%) were undernourished according to the composite index of anthropometric failure. Strong negative associations with the psychomotor development index were detected between stunting and being underweight, with a larger magnitude of effect for stunting (p<0.001). The strong relationship persisted even when the analysis was restricted to non-malnourished children. The psychomotor index increased by 2.07 points with every unit increase in height-for-age z-score. The relationship between low birth weight and psychomotor development appears to be mediated largely by postnatal growth and nutritional status. This association suggests that among undernourished children there is significant likelihood of a group that is developmentally delayed. It is important to emphasize developmental needs in programmes that target underprivileged children.

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Research paper thumbnail of Thyroid diseases and Ramadan

Indian journal of endocrinology and metabolism, 2012

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Research paper thumbnail of Subclinical hypothyroidism: Controversies to consensus

Indian journal of endocrinology and metabolism, 2013

Diagnoses of subclinicaal hypothyroidism (SCH) is biochemically made, when serum thyroid stimulat... more Diagnoses of subclinicaal hypothyroidism (SCH) is biochemically made, when serum thyroid stimulating hormone (TSH) levels is elevated while free thyroid hormone levels are within normal reference range. SCH is diagnosed after excluding all other causes of elevated TSH levels. Symptoms of SCH may vary from being asymptomatic to having mild nonspecific symptoms. The risk of progression to overt hypothyroidism is related to number of factors including initial serum TSH concentration, presence of auto antibodies, family history and presence goiter. Various screening recommendations for thyroid function assessment are in practice. There are still controversies surrounding SCH and associated risk of various cardiovascular diseases (CVDs), pregnancy outcomes, neuropsychiatric issues, metabolic syndrome, and dyslipidemia. Consensus will require more large randomized clinical studies involving various age groups and medical condition, especially in developing countries. All these efforts will definitely improve our understanding of disease and ultimately patient outcomes.

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Research paper thumbnail of Life-saving systemic thrombolysis in a patient with massive pulmonary embolism and a recent hemorrhagic cerebrovascular accident

Texas Heart Institute journal / from the Texas Heart Institute of St. Luke's Episcopal Hospital, Texas Children's Hospital, 2014

Massive pulmonary embolism is associated with mortality rates exceeding 50%. Current practice gui... more Massive pulmonary embolism is associated with mortality rates exceeding 50%. Current practice guidelines include the immediate administration of thrombolytic therapy in the absence of contraindications. However, thrombolysis for pulmonary embolism is said to be absolutely contraindicated in the presence of recent hemorrhagic stroke and other conditions. The current contraindications to thrombolytic therapy have been extrapolated from data on acute coronary syndrome and are not specific for venous thromboembolic disease. Some investigators have proposed that the current contraindications be viewed as relative, rather than absolute, in cases of high-risk pulmonary embolism. We present the case of a 60-year-old woman in whom massive pulmonary embolism led to cardiac arrest with pulseless electrical activity. Eight weeks earlier, she had sustained a hemorrhagic cerebrovascular accident-a classic absolute contraindication to thrombolytic therapy. Despite this practice guideline, we administered tissue plasminogen activator systemically in order to save the patient's life. This therapy did not evoke intracranial bleeding, and the patient was eventually discharged from the hospital. Until guidelines specific to venous thromboembolic disease are developed, we think that the current contraindications to thrombolysis should be considered on an individual basis in patients who are at high risk of death from massive pulmonary embolism.

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Research paper thumbnail of Capital inflows and Economic growth in Pakistan

This study intends to investigate the impact of foreign capital inflow on economic growth of Paki... more This study intends to investigate the impact of foreign capital inflow on economic growth of Pakistan during the period of 1985-2010. The empirical analysis is based on multiple regression technique. Results show that foreign direct investment (FDI), foreign portfolio ...

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Research paper thumbnail of Waste-to-energy: Solution for Municipal Solid Waste challenges- global perspective

2014 International Symposium on Technology Management and Emerging Technologies, 2014

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Research paper thumbnail of iBATD: A New Routing Metric for Multi-radio Wireless Mesh Networks

2012 Ninth International Conference on Information Technology - New Generations, 2012

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Research paper thumbnail of Extensible Debuggers for Extensible Languages

Softwaretechnik-Trends, 2013

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Research paper thumbnail of PW187 Antihypertensive drug utilization and conformity to current guidelines in Bahraini hypertensive population

Global Heart, 2014

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Research paper thumbnail of Design of a power system stabilizer for a synchronous generator using hybrid intelligent controller

2013 7th IEEE GCC Conference and Exhibition (GCC), 2013

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Research paper thumbnail of Early-Tardy Minimization for Joint Scheduling of Jobs and Maintenance Operations on a Single Machine

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Research paper thumbnail of Role of agriculture in economic growth of Pakistan

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Research paper thumbnail of Simulation Tool for Testing and Validating UAV Autopilots in Wind Gust Environments

AIAA Atmospheric Flight Mechanics Conference, 2012

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Research paper thumbnail of An Integrated Approach to Pricing, Inventory, and Market Segmentation Decisions with Demand Leakage

Operations Research Proceedings, 2013

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Research paper thumbnail of Direct and Parallel QR based subspace decomposition methods for system identification

2014 International Conference on Industrial Automation, Information and Communications Technology, 2014

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Research paper thumbnail of Perioperative stent thrombosis

Interventional Cardiology, 2010

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Research paper thumbnail of Comparative Evaluation of Plant Growth Regulators for Preventing Premature Fruit Drop and Improving Fruit Quality Parameters in ‘Dusehri’ Mango

International Journal of Fruit Science, 2012

Fruit drop is a major problem resulting in low production and reduction in the income of mango gr... more Fruit drop is a major problem resulting in low production and reduction in the income of mango growers in tropical and subtropical regions. Growth regulators, naphthalene acetic acid, gibberellic acid, and 2, 4-dichloro phenoxy acetic acid at the rates of (15, 25, and 35 ppm) were sprayed at full bloom stage on a popular mango cultivar ‘Dusehri’ growing in the subtropical region of Faisalabad in Pakistan. All of the treatments significantly influenced the number of fruits retained at pea, marble, and at harvest stages of fruit growth as compared to the control. Among the treatments, gibberellic acid sprayed at 35 ppm proved to be very effective with 31% more fruit retention than the control. In regard to fruit quality, gibberellic acid (35 ppm) and 2, 4-dichloro phenoxy acetic acid (15 ppm) resulted in a significant enhancement of fruit size in terms of fruit weight (140.8 and 130.1 g), which was 17.6 and 8.7% that of the control (119.8 g), respectively. The treatment 2, 4-D (35 ppm) recorded significantly higher TSS (19.5 °Brix) and TSS to titratable acid ratio over the control. Ascorbic acid content was significantly higher with 35 ppm NAA (61.9 mg/100 ml), while total sugars (20.4%) were significantly higher in 2, 4-D (35 ppm) than the control (11.4%). In general, application of growth regulators resulted in improved fruit retention and fruit quality.

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Research paper thumbnail of A comparative study of heuristic algorithms to solve maintenance scheduling problem

Journal of Quality in Maintenance Engineering, 2007

Bookmarks Related papers MentionsView impact

Research paper thumbnail of A new policy for scheduling maintenance on a single machine

International Journal of Applied Decision Sciences, 2010

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Diphtheria in an adult: how well prepared are we in tackling the disease? A case report

Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India, 2011

Diphtheria is a forgotten communicable disease and presumed to be under sufficient control so muc... more Diphtheria is a forgotten communicable disease and presumed to be under sufficient control so much so that life savings drugs required for its treatment has disappeared from most hospitals. Contrary to this belief, classical diphtheria continues to exist in many parts of India despite extensive immunizations campaigns raising the suspicion of resurgence. The absence of essential drugs in treatment of this condition has further worsened the situation. The expenditure involved in procuring these drugs is yet another constraint. We here by present one such case of adult diphtheria and discuss the problems associated with its diagnosis and treatment.

Bookmarks Related papers MentionsView impact

Research paper thumbnail of An epidemiological study of urban and rural children in Pakistan: examining the relationship between delayed psychomotor development, low birth weight and postnatal growth failure

Transactions of the Royal Society of Tropical Medicine and Hygiene, 2015

Low birth weight is known to be associated with postnatal growth failure. It is not yet establish... more Low birth weight is known to be associated with postnatal growth failure. It is not yet established that both conditions are determinants of psychomotor development. The study investigated whether or not low birth weight leads to delayed psychomotor development of a child, and whether it can be mitigated by adequate postnatal growth. A cross-sectional study was conducted in 2002 in 15 rural and 11 urban communities of Sindh province, Pakistan. Assessment of 1234 children less than 3 years of age included Bayley's Scale of Infant Development II, socioeconomic questionnaire and anthropometry; WHO standards were used to calculate z-scores of height-for-age, weight-for-height and weight-for-age. The underlying study hypotheses were tested through multiple regression modelling. Out of 1219 children, 283 (23.2%) had delayed psychomotor development and 639 (52.4%) were undernourished according to the composite index of anthropometric failure. Strong negative associations with the psychomotor development index were detected between stunting and being underweight, with a larger magnitude of effect for stunting (p<0.001). The strong relationship persisted even when the analysis was restricted to non-malnourished children. The psychomotor index increased by 2.07 points with every unit increase in height-for-age z-score. The relationship between low birth weight and psychomotor development appears to be mediated largely by postnatal growth and nutritional status. This association suggests that among undernourished children there is significant likelihood of a group that is developmentally delayed. It is important to emphasize developmental needs in programmes that target underprivileged children.

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Thyroid diseases and Ramadan

Indian journal of endocrinology and metabolism, 2012

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Subclinical hypothyroidism: Controversies to consensus

Indian journal of endocrinology and metabolism, 2013

Diagnoses of subclinicaal hypothyroidism (SCH) is biochemically made, when serum thyroid stimulat... more Diagnoses of subclinicaal hypothyroidism (SCH) is biochemically made, when serum thyroid stimulating hormone (TSH) levels is elevated while free thyroid hormone levels are within normal reference range. SCH is diagnosed after excluding all other causes of elevated TSH levels. Symptoms of SCH may vary from being asymptomatic to having mild nonspecific symptoms. The risk of progression to overt hypothyroidism is related to number of factors including initial serum TSH concentration, presence of auto antibodies, family history and presence goiter. Various screening recommendations for thyroid function assessment are in practice. There are still controversies surrounding SCH and associated risk of various cardiovascular diseases (CVDs), pregnancy outcomes, neuropsychiatric issues, metabolic syndrome, and dyslipidemia. Consensus will require more large randomized clinical studies involving various age groups and medical condition, especially in developing countries. All these efforts will definitely improve our understanding of disease and ultimately patient outcomes.

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Life-saving systemic thrombolysis in a patient with massive pulmonary embolism and a recent hemorrhagic cerebrovascular accident

Texas Heart Institute journal / from the Texas Heart Institute of St. Luke's Episcopal Hospital, Texas Children's Hospital, 2014

Massive pulmonary embolism is associated with mortality rates exceeding 50%. Current practice gui... more Massive pulmonary embolism is associated with mortality rates exceeding 50%. Current practice guidelines include the immediate administration of thrombolytic therapy in the absence of contraindications. However, thrombolysis for pulmonary embolism is said to be absolutely contraindicated in the presence of recent hemorrhagic stroke and other conditions. The current contraindications to thrombolytic therapy have been extrapolated from data on acute coronary syndrome and are not specific for venous thromboembolic disease. Some investigators have proposed that the current contraindications be viewed as relative, rather than absolute, in cases of high-risk pulmonary embolism. We present the case of a 60-year-old woman in whom massive pulmonary embolism led to cardiac arrest with pulseless electrical activity. Eight weeks earlier, she had sustained a hemorrhagic cerebrovascular accident-a classic absolute contraindication to thrombolytic therapy. Despite this practice guideline, we administered tissue plasminogen activator systemically in order to save the patient's life. This therapy did not evoke intracranial bleeding, and the patient was eventually discharged from the hospital. Until guidelines specific to venous thromboembolic disease are developed, we think that the current contraindications to thrombolysis should be considered on an individual basis in patients who are at high risk of death from massive pulmonary embolism.

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Capital inflows and Economic growth in Pakistan

This study intends to investigate the impact of foreign capital inflow on economic growth of Paki... more This study intends to investigate the impact of foreign capital inflow on economic growth of Pakistan during the period of 1985-2010. The empirical analysis is based on multiple regression technique. Results show that foreign direct investment (FDI), foreign portfolio ...

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Waste-to-energy: Solution for Municipal Solid Waste challenges- global perspective

2014 International Symposium on Technology Management and Emerging Technologies, 2014

Bookmarks Related papers MentionsView impact

Research paper thumbnail of iBATD: A New Routing Metric for Multi-radio Wireless Mesh Networks

2012 Ninth International Conference on Information Technology - New Generations, 2012

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Extensible Debuggers for Extensible Languages

Softwaretechnik-Trends, 2013

Bookmarks Related papers MentionsView impact

Research paper thumbnail of PW187 Antihypertensive drug utilization and conformity to current guidelines in Bahraini hypertensive population

Global Heart, 2014

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Design of a power system stabilizer for a synchronous generator using hybrid intelligent controller

2013 7th IEEE GCC Conference and Exhibition (GCC), 2013

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Early-Tardy Minimization for Joint Scheduling of Jobs and Maintenance Operations on a Single Machine

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Role of agriculture in economic growth of Pakistan

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Simulation Tool for Testing and Validating UAV Autopilots in Wind Gust Environments

AIAA Atmospheric Flight Mechanics Conference, 2012

Bookmarks Related papers MentionsView impact

Research paper thumbnail of An Integrated Approach to Pricing, Inventory, and Market Segmentation Decisions with Demand Leakage

Operations Research Proceedings, 2013

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Direct and Parallel QR based subspace decomposition methods for system identification

2014 International Conference on Industrial Automation, Information and Communications Technology, 2014

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Perioperative stent thrombosis

Interventional Cardiology, 2010

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Comparative Evaluation of Plant Growth Regulators for Preventing Premature Fruit Drop and Improving Fruit Quality Parameters in ‘Dusehri’ Mango

International Journal of Fruit Science, 2012

Fruit drop is a major problem resulting in low production and reduction in the income of mango gr... more Fruit drop is a major problem resulting in low production and reduction in the income of mango growers in tropical and subtropical regions. Growth regulators, naphthalene acetic acid, gibberellic acid, and 2, 4-dichloro phenoxy acetic acid at the rates of (15, 25, and 35 ppm) were sprayed at full bloom stage on a popular mango cultivar ‘Dusehri’ growing in the subtropical region of Faisalabad in Pakistan. All of the treatments significantly influenced the number of fruits retained at pea, marble, and at harvest stages of fruit growth as compared to the control. Among the treatments, gibberellic acid sprayed at 35 ppm proved to be very effective with 31% more fruit retention than the control. In regard to fruit quality, gibberellic acid (35 ppm) and 2, 4-dichloro phenoxy acetic acid (15 ppm) resulted in a significant enhancement of fruit size in terms of fruit weight (140.8 and 130.1 g), which was 17.6 and 8.7% that of the control (119.8 g), respectively. The treatment 2, 4-D (35 ppm) recorded significantly higher TSS (19.5 °Brix) and TSS to titratable acid ratio over the control. Ascorbic acid content was significantly higher with 35 ppm NAA (61.9 mg/100 ml), while total sugars (20.4%) were significantly higher in 2, 4-D (35 ppm) than the control (11.4%). In general, application of growth regulators resulted in improved fruit retention and fruit quality.

Bookmarks Related papers MentionsView impact