SleepdB Journal Club Presentations


Speaker: Bryan Piper

Title: Obstructive Sleep Apnea and Heart Failure Pathophysiologic and Therapeutic Implications

Time and location: March 20th, 2018 – 11:00AM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Bradley (2011) Am Coll Cardiol


Speaker: Thomas Cole

Title: Segment-specific resistivity improves body fluid volume estimates from bioimpedance spectroscopy in hemodialysis patients

Time and location: Feb 27th, 2018 – 11:00AM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Zhu (2006) J Appl Physiol


Speaker: Nasim Montazeri, PhD

Title: Upper Airway Collapsibility (Pcrit) and Pharyngeal Dilator Muscle Activity are Sleep Stage Dependent

Time and location: Feb 20th, 2018 – 11:00AM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Carberry (2016) Sleep


Speaker: Daniel Vena, PhD

Title: The influence of head-of-bed elevation in patients with obstructive sleep apnea

Time and location: Feb 13th, 2018 – 11:00AM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Souza (2017) Sleep Breath


Speaker: Joseph Makanjuola

Title: Increased Sympathetic Modulation And Decreased Response Of The Heart Rate Variability In Controlled Asthma

Time and location: Feb 6th, 2018 – 11:00AM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Borghi-Silva (2014) J of Asthma


Speaker: Swati Bhatawadekar, PhD

Title: The Pattern of Breathing in Acute Severe Asthma

Time and location: Jan 11th, 2018 – 12:30PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Hillman (1986) Am Rev Respir Dis.


Speaker: Maziar Hafezi

Title: Mandibular Movements As Accurate Reporters of Respiratory Effort during Sleep: Validation against Diaphragmatic Electromyography

Time and location: Dec 21st, 2017 – 12:30PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Martinot (2017) Frontiers


Speaker: Cristina Francisco, PhD

Title: Role of nocturnal rostral fluid shift in the pathogenesis of obstructive and central sleep apnoea

Time and location: Dec 7th, 2017 – 12:30PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Bradley (2013) J Physiol


Speaker: Bryan Piper

Title: Obstructive Sleep Apnea and Heart Failure – Pathophysiologic and Therapeutic Implications

Time and location: Nov 30th, 2017 – 12:30PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Bradley (2011) Journal of the American College of Cardiology


Speaker: Kaiyin Cathy Zhu

Title: A simplified method for determining phenotypic traits in patients with obstructive sleep apnea

Time and location: Nov 9th, 2017 – 12:30PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Wellman (2013) J Appl Physiol


Speaker: Muammar Kabir, PhD

Title: Fifty Years of Physiology in Obstructive Sleep Apnea

Time and location: Oct 5th, 2017 – 12:30PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Younes (2017) AJRCCM Articles in Press


Speaker: Joseph Makanjuola

Title: Wheezes

Time and location: Sep 28th, 2017 – 12:30PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Meslier (1995) Eur Respir J


Speaker: Jamie (Qi) Zhang

Title: Tidal Volume Estimation Using the Blanket Fractal Dimension of the Tracheal Sounds Acquired by Smartphone

Time and location: Sep 12th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Chon (2015) Sensors


Speaker: Nasim Montazeri, PhD

Title: A Vision-Based Respiration Monitoring System for Passive Airway Resistance Estimation

Time and location: Aug 22th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Ostadabbas (2016) IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING


Speaker: Swati Bhatawadekar, PhD

Title: Inspiratory muscle training for asthma (Review)

Time and location: Aug 15th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Ferreira (2013) Cochrane Library


Speaker: Bojan Gavrilovic

Title: Influence of body water distribution on skin thickness: measurements using high-frequency ultrasound

Time and location: Aug 1st, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Klotz (2001) British Journal of Dermatology


Speaker: Cathy Zhu

Title: Sleep Apnea Detection Based on Thoracic and Abdominal Movement Signals of Wearable Piezo-Electric Bands

Time and location: July 25th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Lo (2016) IEEE J Biomedical and Health Informatics


Speaker: Joseph Makanjuola

Title: Past, present and future of spike sorting techniques

Time and location: July 18th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Quiroga (2015) Brain Research Bulletin


Speaker: Daniel Vena

Title: Impact of Compression Stockings vs. Continuous Positive Airway Pressure on Overnight Fluid Shift and Obstructive Sleep Apnea among Patients on Hemodialysis

Time and location: June 27th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Elias (2017) Frontiers in Medicine


Speaker: Shumit Saha

Title: Evaluation of the different sleep-disordered breathing patterns of the compressed tracheal sound

Time and location: June 20th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Himanen (2015) Clinical Neurophysiology


Speaker: Frank-Edward Nemeth

Title: Evaluation of Anthropometric Equations to Assess Body Fat in Adults: NHANES 1999-2004

Time and location: June 13th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Cui (2014) Medicine and Science in Sports and Exercise


Speaker: Muammar Kabir, PhD

Title: Screening for Obstructive Sleep Apnea by Cyclic Variation of Heart Rate

Time and location: June 6th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Hayano (2011) Circ Arrhythm Electrophysiol


Speaker: Cristina Francisco, PhD

Title: The use of near-infrared spectroscopy in understanding skeletal muscle physiology: recent developments

Time and location: May 30th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Ferrari (2011) Phil. Trans. R. Soc. A


Speaker: Ahnaf Hassan

Title: Odds Ratio Product of Sleep EEG as a Continuous Measure of Sleep State

Time and location: May 16th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Younes (2014) Sleep


Speaker: Grant Gruenspan

Title: The status of cephalometry in the prediction of non-CPAP treatment outcome in obstructive sleep apnea patients

Time and location: May 9th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Braem (2016) Sleep Medicine Reviews


Speaker: Bojan Gavrilovic

Title: Comparison of actigraphic, polysomnographic, and subjective assessment of sleep parameters in sleep-disordered patients

Time and location: April 25th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Kushida (2001) Sleep Medicine


Speaker: Nasim Montazeri, PhD

Title: Time Frequency Transforms

Time and location: April 18th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177


Speaker: Swati Bhatawadekar, PhD

Title: Signal transduction in smooth muscle: airway caliber in healthy and asthmatic subjects: effects of bronchial challenge and deep inspirations

Time and location: April 11th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Lutchen (2001) J Appl Physiol


Speaker: Jamie (Qi) Zhang

Title: Inclusion of Respiratory Frequency Information in Heart Rate Variability Analysis for Stress Assessment

Time and location: April 4th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Hernando (2016) IEEE J Biomed Health Inform


Speaker: Cathy (Kaiyin) Zhu

Title: Circadian variation of blood pressure: The basis for the chronotherapy of hypertension

Time and location: March 27th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Hermida (2007) Advanced Drug Delivery Reviews


Speaker: Daniel Vena

Title: Assessment of Right Ventricular Function in Obstructive Sleep Apnea Syndrome and Effects of Continuous Positive Airway Pressure Therapy: A Pilot Study

Time and location: March 14th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Cimino (2015) Canadian Journal of Cardiology


Speaker: Joseph Makanjuola

Title: Baroreflex mechanisms regulating the occurrence of neural spikes in human muscle sympathetic nerve activity

Time and location: March 6th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Salmanpour (2012) J Neurophysiol


Speaker: Shumit Saha

Title: Snoring Sounds Predict Obstruction Sites and Surgical Response in Patients with Obstructive Sleep Apnea Hypopnea Syndrome

Time and location: February 28th, 2017 – 12:15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Lee (2016) Sci Rep


Speaker: Thomas Cole

Title: Electrical impedance of muscle during isometric contraction

Time and location: February 21st, 2017 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Shiffman (2003) Physiol Meas


Speaker: Ahnaf Hassan

Title: Detection of lapses in responsiveness from the EEG

Time and location: February 14th, 2017 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Jones (2011) J. Neural Eng.


Speaker: Muammar Kabir, PhD

Title: Association between Global Electrical Heterogeneity ECG Measures and Sudden Cardiac Death in General Population

Time and location: February 7th, 2016 – 12.15PM, Toronto Rehab – University Centre, TRI Lecture Theatre

Abstract and speaker info: More Details


Speaker: Grant Gruenspan

Title: Craniofacial Phenotyping in Obstructive Sleep Apnea – A Novel Quantitative Photographic Approach

Time and location: January 31th, 2017 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Lee (2009) Sleep


Speaker: Cristina Francisco, PhD

Title: Pulmonary Gas Exchange Abnormalities in Mild Chronic Obstructive Pulmonary Disease

Time and location: January 24th, 2017 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Elbehairy (2015) Am J Respir Crit Care Med


Speaker: Bojan Gavrilovic

Title: Different displacement of bioimpedance vector due to Ag/AgCl electrode effect

Time and location: January 17th, 2017 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Nescolarde (2016) Eur J Clin Nutr


Speaker: Swati Bhatawadekar, PhD

Title: Optoelectronic Plethysmography has Improved our Knowledge of Respiratory Physiology and Pathophysiology

Time and location: January 10th, 2017 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Scano (2008) Sensors


Speaker: Cristina Francisco, PhD

Title: Evaluation of acute effect of light-emitting diode (LED) phototherapy on muscle
deoxygenation and pulmonary oxygen uptake kinetics in patients with diabetes mellitus

Time and location: December 13th, 2016 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Francisco (2015) Trials


Speaker: Daniel Vena

Title: Association of Calf Muscle Pump Stimulation With Sleep Quality in Adults

Time and location: December 6th, 2016 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Chasens (2016) Res Nurs Health


Speaker: Ahnaf Hassan

Title: Overcoming Drowsiness by Inducing Cardiorespiratory Phase Synchronization

Time and location: November 29th, 2016 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Yokoyama (2013) IEEE


Speaker: Swati Bhatawadekar, PhD

Title: Relationship between heterogeneous changes in airway morphometry and lung resistance and elastance

Time and location: November 22nd, 2016 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Lutchen (1997) J Appl Physiol


Speaker: Cathy Kaiyin Zhu

Title: Defining Phenotypic Causes of Obstructive Sleep Apnea. Identification of Novel Therapeutic Targets

Time and location: November 15th, 2016 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Wellman (2013) Am J Respir Crit Care Med


Invited Speaker: Geoff Maksym, PhD

Title: Respiratory mechanics by oscillometry and using imaging & modelling for small airways dysfunction in asthma and obesity (More Details)

Time and location: Wednesday, Nov 9th, 2016, 12.00 PM, Toronto Rehab – University Centre, 12-177, 550 University Ave., Toronto, M5G 2A2 (flyer)


Invited Speaker: Angelo ALL, M.D., MBA (More Details)

Title: Acute, Sub-acute and Chronic Therapeutic Strategies Post-Spinal Cord Injury (More Details)

Time and location: November 3rd, 2016 – 12.00PM, Toronto Rehab – University Centre, TRI Lecture Theatre (poster)


Speaker: Daniel Vena and Shumit Saha

Title: Application of Personalized, Predictive, Preventative, and Participatory (P4) Medicine to Obstructive Sleep Apnea, A Roadmap for Improving Care?

Time and location: October 25th, 2016 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Pack (2016) Ann Am Thorac Soc


Speaker: Grant Gruenspan

Title: The Male Predisposition to Pharyngeal Collapse Importance of Airway Length

Time and location: October 18th, 2016 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Malhotra (2002) Am J Respir Crit Care Med


Speaker: Thomas Cole

Title: Regional distribution of ventilation in patients with obstructive sleep apnea: the role of thoracic electrical impedance tomography (EIT) monitoring

Time and location: October 11th, 2016 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Bongiovanni (2016) Sleep Breath


Invited Speaker: Swati Bhatawadekar, PhD

Title: Mechanical Factors in Distribution of Pulmonary Ventilation (Part 2)

Time and location: October 4th, 2016 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Otis (1956) Journal of Applied Physiology


Speaker: Bojan Gavrilovic

Title: Assessment of Right Ventricular Function in Obstructive Sleep Apnea Syndrome and Effects of Continuous Positive Airway Pressure Therapy: A Pilot Study

Time and location: September 27th, 2016 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Cimino (2015) Canadian Journal of Cardiology


Speaker: Swati Bhatawadekar, PhD

Title: Mechanical Factors in Distribution of Pulmonary Ventilation (Part 1)

Time and location: September 20th, 2016 – 12.15PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Otis (1956) Journal of Applied Physiology


Speaker: Shumit Saha

Title: Swarm Decomposition: A Novel Signal Analysis Using Swarm Intelligence

Time and location: September 13th, 2016 – 12PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Apostolidis (2016) Signal Processing


Speaker: Daniel Vena

Title: Multiscale Entropy Analysis of Complex Physiologic Time Series

Time and location: August 30th, 2016 – 12PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Costa (2002) Phys Rev Lett


Invited Speaker: Gaetano Valenza, PhD

Title: Time-varying nonlinear models of human heart beat dynamics (More details)

Time and location: August 12th, 2016 – 12PM, Toronto Rehab – University Centre, TRI Lecture Theatre


Speaker: Gabriel Keller Guimaraes

Title: Phenylephrine-induced hypertension acutely decreases genioglossus EMG activity in awake humans

Time and location: August 5th, 2016 – 12PM, Toronto Rehab – University Centre, Rm 12-157

Relevant paper(s): Garpestad (1992) Journal of Applied Physiology


Speaker: Swati Bhatewadekar, PhD

Title: The effects of rostral fluid shift on airway narrowing in asthma.

Time and location: July 26th, 2016 – 12PM, Toronto Rehab – University Centre, TRI Lecture Theatre

Relevant paper(s): Bhatawadekar (2016) Am J Respir Crit Care Med


Speaker: Bojan Gavrilovic

Title: Hypovolemic men and women regulate blood pressure differently following exposure to artificial gravity

Time and location: July 17th, 2016 – 12PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Evans (2015) Eur J Appl Physiol


Speaker: Derek Zhi

Title: Tracking the Sleep Onset Process: An Empirical Model of Behavioral and Physiological Dynamics

Time and location: July 12th, 2016 – 12PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Prerau (2014) PLoS Comput Biol


Speaker: Daniel Vena

Title: Respiratory Sinus Arrhythmia

Time and location: July 5th, 2016 – 12PM, Toronto Rehab – University Centre, Rm 12-177

Relevant paper(s): Berntson (1993) PsychophysiologySaul (1989) Am J PhysiolYasuma (2004) ChestGrossman (2007) Biol PyscholLewis (2012) Biol Psychol


Invited Speaker: Dr Gaspard Montandon (GaspLab)

Title: Linking Brain Arousal States and Breathing (More details)

Time and location: June 28th, 2016 – 12PM, Toronto Rehab – University Centre, Rm 12-157