Suresh Sukumar
YOU?
Author Swipe
View article: Optimization of Bolus-Tracking Thresholds levels in Cerebral CT Angiography: Influence of Patient Characteristics on contrast enhancement dynamics and radiation dose metrics
Optimization of Bolus-Tracking Thresholds levels in Cerebral CT Angiography: Influence of Patient Characteristics on contrast enhancement dynamics and radiation dose metrics Open
Background Cerebral computed tomography angiography (CTA) is widely used to assess neurovascular disorders, but venous contamination often obscures arteries. Optimizing bolus-tracking thresholds is crucial, yet patient factors influencing …
View article: Optimization of Bolus-Tracking Thresholds levels in Cerebral CT Angiography: Influence of Patient Characteristics on contrast enhancement dynamics and radiation dose metrics
Optimization of Bolus-Tracking Thresholds levels in Cerebral CT Angiography: Influence of Patient Characteristics on contrast enhancement dynamics and radiation dose metrics Open
Background Cerebral computed tomography angiography (CTA) is widely used to assess neurovascular disorders, but venous contamination often obscures arteries. Optimizing bolus-tracking thresholds is crucial, yet patient factors influencing …
View article: Comparison of precise imaging and iterative reconstruction techniques at low doses using the dose right index in 100-kVp cerebral CT angiography
Comparison of precise imaging and iterative reconstruction techniques at low doses using the dose right index in 100-kVp cerebral CT angiography Open
AI-based PI reconstruction enhances image quality without increasing radiation dose or altering vascular attenuation, consistently outperforming IR and supporting its use in low-dose cerebral CT angiography, especially in dose-sensitive pa…
View article: Arterial spin labeling MRI in assessing cerebral blood flow changes due to hypertension: a systematic review
Arterial spin labeling MRI in assessing cerebral blood flow changes due to hypertension: a systematic review Open
Hypertension is a significant risk factor for cerebrovascular diseases, affecting cerebral blood flow (CBF) and brain health. Reduced CBF in hypertensive individuals is linked to cognitive decline and neurodegenerative diseases. Arterial s…
View article: Radiation dose reduction in abdominopelvic CT using BMI specific low kV protocol
Radiation dose reduction in abdominopelvic CT using BMI specific low kV protocol Open
View article: Functional MRI in hypertension – A systematic review of brain connectivity, regional activity, and cognitive impairment
Functional MRI in hypertension – A systematic review of brain connectivity, regional activity, and cognitive impairment Open
View article: Dosimetric Comparison of Stereotactic Radiosurgery and Stereotactic Radiotherapy Planning Techniques with Apex 2.5mm and Agility 5mm Multileaf Collimator for Intracranial Cancer
Dosimetric Comparison of Stereotactic Radiosurgery and Stereotactic Radiotherapy Planning Techniques with Apex 2.5mm and Agility 5mm Multileaf Collimator for Intracranial Cancer Open
As the apex is an add-on device to the collimator of the LINAC machine, it requires additional time for commissioning and QA before the treatment. Agility, with in built 5mm MLC, does not require extra commissioning. Dosimetrically, the tr…
View article: Exploring mean kurtosis in MR diffusion kurtosis imaging for early detection of lumbar spine degeneration: a systematic review
Exploring mean kurtosis in MR diffusion kurtosis imaging for early detection of lumbar spine degeneration: a systematic review Open
Objectives Degenerative lumbar spine disease, a leading cause of chronic pain and disability in older adults, results from the progressive degeneration of intervertebral discs. This systematic review evaluates the role of mean kurtosis (MK…
View article: Impact of physical activity and cardiorespiratory fitness on brain morphology among overweight and obese populations: A systematic review and meta-analysis of neuroimaging studies
Impact of physical activity and cardiorespiratory fitness on brain morphology among overweight and obese populations: A systematic review and meta-analysis of neuroimaging studies Open
View article: Impact of physical activity and body mass index on brain structure: A cross-sectional MRI study
Impact of physical activity and body mass index on brain structure: A cross-sectional MRI study Open
Background: The relationships between physical activity, body composition, and brain health are complex and not fully understood. While obesity has been linked to alterations in brain structure, the potential moderating effect of physical …
View article: Comparing the effects of yoga and exercise on vascular function: A systematic review
Comparing the effects of yoga and exercise on vascular function: A systematic review Open
View article: Differential effects of obesity and hypertension on brain structure and cognitive ability: A subgroup analysis from nested study
Differential effects of obesity and hypertension on brain structure and cognitive ability: A subgroup analysis from nested study Open
Background: Obesity and hypertension are widespread health issues associated with changes in brain structure and cognitive function, especially in individuals who lead sedentary lifestyles. This research examines the connections between ob…
View article: Comparison of structural brain volume among sedentary normal, overweight and obese adults - A cross-sectional study
Comparison of structural brain volume among sedentary normal, overweight and obese adults - A cross-sectional study Open
Background: The relationship between obesity and brain structure remains unclear, particularly in sedentary individuals. This study aimed to compare structural brain volumes among sedentary normal weight, overweight, and obese adults. Mate…
View article: A comparison of the image quality between deep learning reconstruction algorithm and iDose4 using low dose abdominopelvic computed tomography for individuals with normal BMI
A comparison of the image quality between deep learning reconstruction algorithm and iDose4 using low dose abdominopelvic computed tomography for individuals with normal BMI Open
Objectives: Radiation exposure has been a cause of concern in computed tomography imaging. Reducing radiation dose increases the image noise which can be compensated by using reconstruction techniques. Recently artificial intelligence-base…
View article: Associations between cognitive function and vascular health in office-based sedentary workers: A six-month yoga intervention
Associations between cognitive function and vascular health in office-based sedentary workers: A six-month yoga intervention Open
Background: Sedentary office work poses risks to physical and cognitive health. This study investigated the effects of a 6-month yoga intervention on sedentary office workers’ cognitive function and vascular parameters. Materiald and Metho…
View article: Exploring needs, perceptions, and preferences towards exercise video among overweight individuals - a qualitative study
Exploring needs, perceptions, and preferences towards exercise video among overweight individuals - a qualitative study Open
Background The number of overweight people (BMI 25–29.9kg.m-2) in the world is increasing, which increases the risk of health problems and psychological difficulties. To reduce these risks, it is imperative to address unhealthy habits incl…
View article: Impact of yoga on the central and peripheral vascular function among desk-based workers: A single-centered trial study
Impact of yoga on the central and peripheral vascular function among desk-based workers: A single-centered trial study Open
Background The aim of this study was to observe and analyze vascular function in ‘prolonged sitting’, followed by a yoga asana routine and pranayama intervention. Participants in this study include those who work from desks in offices. The…
View article: An analysis of brain structural changes in type 2 diabetes using advanced MRI techniques
An analysis of brain structural changes in type 2 diabetes using advanced MRI techniques Open
T2DM is associated with significant brain atrophy, particularly in brain regions associated with cognition. Based on these findings, MRI-based volumetric analysis has the potential to detect and monitor T2DM-related neurodegeneration early…
View article: Age-dependent nonlinear relationship between hypertension and hippocampal volume in sedentary women with lower educational attainment
Age-dependent nonlinear relationship between hypertension and hippocampal volume in sedentary women with lower educational attainment Open
BACKGROUND: This study investigated the age-dependent nonlinear relationship between hypertension stages, hippocampal volume, and cognitive performance in sedentary women with lower educational attainment. MATERIALS AND METHODS: Forty-four…
View article: Effects of a six-month yoga intervention on vascular parameters in sedentary office workers: An interrupted time-series study design
Effects of a six-month yoga intervention on vascular parameters in sedentary office workers: An interrupted time-series study design Open
BACKGROUND: This study evaluated the effects of a six-month yoga intervention on vascular parameters among sedentary office workers prone to health risks from prolonged sitting. MATERIALS AND METHOD: Thirty desk-based employees participate…
View article: Exploring mean kurtosis in MR diffusion kurtosis imaging for early detection of lumbar spine degeneration: a systematic review
Exploring mean kurtosis in MR diffusion kurtosis imaging for early detection of lumbar spine degeneration: a systematic review Open
Objectives Degenerative lumbar spine disease, a leading cause of chronic pain and disability in older adults, results from the progressive degeneration of intervertebral discs. This systematic review evaluates the role of mean kurtosis (MK…
View article: Exploring needs, perceptions, and preferences towards exercise video among overweight individuals - a qualitative study
Exploring needs, perceptions, and preferences towards exercise video among overweight individuals - a qualitative study Open
Background The number of overweight people (BMI 25–29.9kg.m -2 ) in the world is increasing, which increases the risk of health problems and psychological difficulties. To reduce these risks, it is imperative to address unhealthy habits i…
View article: Comparison and Assessment of Different Small Volume Radiation Detectors for Small Field Dosimetry in Stereotactic Radiotherapy
Comparison and Assessment of Different Small Volume Radiation Detectors for Small Field Dosimetry in Stereotactic Radiotherapy Open
The performance of all the detectors used in this study was similar with less noticeable differences between each other. As there was no great difference found in the results between the detectors, it can be concluded from this study that …
View article: Exploring needs, perceptions, and preferences towards exercise video among overweight individuals - a qualitative study
Exploring needs, perceptions, and preferences towards exercise video among overweight individuals - a qualitative study Open
Background The number of overweight people (BMI 25–29.9kg.m -2 ) in the world is increasing, which increases the risk of health problems and psychological difficulties. To reduce these risks, it is imperative to address unhealthy habits i…
View article: Impact of yoga on the central and peripheral vascular function among desk-based workers: A single-centered trial study
Impact of yoga on the central and peripheral vascular function among desk-based workers: A single-centered trial study Open
Background The aim of this study was to observe and analyze vascular function in ‘prolonged sitting’, followed by a yoga asana routine and pranayama intervention. Participants in this study include those who work from desks in offices. Th…
View article: Alteration in central vascular and cognitive functions during simulated work conditions in males – a secondary analysis from a randomised controlled trial
Alteration in central vascular and cognitive functions during simulated work conditions in males – a secondary analysis from a randomised controlled trial Open
Background Alteration in the central vascular hemodynamics is speculated to influence cognitive functions, including executive functions in young adults. Prolonged sitting is associated with compromised central vascular functions, which ac…
View article: Hormonal Influences on ADC Values in Breast Tissues: A Scoping Review of DWI in Pre- and Post-menopausal Women
Hormonal Influences on ADC Values in Breast Tissues: A Scoping Review of DWI in Pre- and Post-menopausal Women Open
Background Breast cancer remains a significant global health concern, with early diagnosis and risk factor identification crucial for improving outcomes. Diffusion-Weighted Imaging (DWI) and Apparent Diffusion Coefficient (ADC) measurement…
View article: Enhancing well-being at work: Qualitative insights into challenges and benefits of long-term yoga programs for desk-based workers
Enhancing well-being at work: Qualitative insights into challenges and benefits of long-term yoga programs for desk-based workers Open
View article: Comparison of treatment planning for stereotactic radiosurgery and stereotactic body radiation therapy techniques with 2.5mm and 5mm multileaf collimator (MLC): A pilot study
Comparison of treatment planning for stereotactic radiosurgery and stereotactic body radiation therapy techniques with 2.5mm and 5mm multileaf collimator (MLC): A pilot study Open
Background The Elekta micro-multileaf collimator (mMLC) known as apex for planning stereotactic radiosurgery (SRS)/stereotactic radiotherapy (SRT)/stereotactic body radiation therapy (SBRT) provides excellent dose distribution; however, it…
View article: Impact of a six-month yoga intervention on cognitive performance among desk-based workers: An interrupted time-series design
Impact of a six-month yoga intervention on cognitive performance among desk-based workers: An interrupted time-series design Open