NEW TECHNIQUES FOR MODELLING, DIAGNOSIS AND COUNTER MEASURES FOR CARDIAC RELATED SLEEP DISORDERED BREATHING LP0454378

Toe clearance and velocity profiles of young and elderly during walking on sloped surfaces

Ahsan H Khandoker, Kate Lynch, Chandan K Karmakar, Rezaul K Begg, Marimuthu Palaniswami

2010-04-28

Background. Most falls in older adults are reported during locomotion and tripping has been identified as a major cause of falls. ..

Automated Scoring of Obstructive Sleep Apnea and Hypopnea Events Using Short-Term Electrocardiogram Recordings

Ahsan H Khandoker, Jayavardhana Gubbi, Marimuthu Palaniswami

2009-11-01

Obstructive sleep apnea or hypopnea causes a pause or reduction in airflow with continuous breathing effort. The aim of this study..

Identifying diabetic patients with cardiac autonomic neuropathy by heart rate complexity analysis

Ahsan H Khandoker, Herbert F Jelinek, Marimuthu Palaniswami

2009-01-29

BACKGROUND: Cardiac autonomic neuropathy (CAN) in diabetes has been called a "silent killer", because so few patients realize that..

Automated recognition of patients with obstructive sleep apnoea using wavelet-based features of electrocardiogram recordings

Ahsan H Khandoker, Chandan K Karmakar, Marimuthu Palaniswami

2009-01-01

Patients with obstructive sleep apnoea syndrome (OSAS) are at increased risk of developing hypertension and other cardiovascular d..

Support Vector Machines for Automated Recognition of Obstructive Sleep Apnea Syndrome From ECG Recordings

Ahsan H Khandoker, Marimuthu Palaniswami, Chandan K Karmakar

2009-01-01

Obstructive sleep apnea syndrome (OSAS) is associated with cardiovascular morbidity as well as excessive daytime sleepiness and po..

A comparative study on approximate entropy measure and poincare plot indexes of minimum foot clearance variability in the elderly during walking

Ahsan H Khandoker, Marimuthu Palaniswami, Rezaul K Begg

2008-02-02

BACKGROUND: Trip-related falls which is a major problem in the elderly population, might be linked to declines in the balance cont..

Analysis of coherence between sleep EEG and ECG signals during and after obstructive sleep apnea events

Ahsan H Khandoker, Chandan K Karmakar, Marimuthu Palaniswami

2008-01-01

This study presents the first successful preliminary attempt to directly investigate the interactions of power spectra of sleep EE..

Cross Power Spectral Density between Two-Lead ECG Signals at the Termination of Obstructive Sleep Apnea with or without Arousals

AH Khandoker, CK Karmakar, M Palaniswami

2008-01-01

This study examined the changes of cross power spectrum density (CPSD) of ECG signals between two leads induced during OSA events ..

Interaction between Sleep EEG and ECG Signals during and after Obstructive Sleep Apnea Events with or without Arousals

AH Khandoker, CK Karmakar, M Palaniswami

2008-01-01

This is a preliminary attempt to directly investigate the interactions of sleep EEG and ECG signals during normal, OSA breathing e..

Power spectral analysis for identifying the onset and termination of obstructive sleep apnoea events in ECG recordings

Ahsan H Khandoker, Chandan K Karmakar, Marimuthu Palaniswami

2008-01-01

The high prevalence of obstructive sleep apnoea (OSA) requires a simplified, unattended screening device that would be useful for ..

Recognizing Central and Obstructive Sleep Apnea Events from Normal Breathing Events in ECG Recordings

AH Khandoker, J Gubbi, M Palaniswami

2008-01-01

Obstructive sleep apnea (OSA) causes a pause in airflow with continuing breathing effort. In contrast, central sleep apnea (CSA) e..

Wavelet-based feature extraction for support vector machines for screening balance impairments in the elderly

Ahsan H Khandoker, Daniel TH Lai, Rezaul K Begg, Marimuthu Palaniswami

2007-12-01

Trip related falls are a prevalent problem in the elderly. Early identification of at-risk gait can help prevent falls and injurie..

Power spectral analysis of ECG signals during obstructive sleep apnoea hypopnoea epochs

Chandan K Karmakar, Ahsan H Khandoker, Marimuthu Palaniswarni

2007-01-01

Based on the evidence that sympathovagal balance around apnoeas/hypopnoeas are altered in sleep apnoea patients, we utilize power ..

Screening Obstructive Sleep Apnoea Syndrome from Electrocardiogram Recordings Using Support Vector Machines

AH Khandoker, CK Karmakar, M Palaniswami

2007-01-01

A machine learning technique [support vector machines (SVM)] for automated recognition of obstructive sleep apnoea syndrome OSAS t..