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  1. Article ; Online: Quantifying Improvement in V˙ o2peak and Exercise Thresholds in Cardiovascular Disease Using Reliable Change Indices.

    Faricier, Robin / Keltz, Randi R / Hartley, Tim / McKelvie, Robert S / Suskin, Neville G / Prior, Peter L / Keir, Daniel A

    Journal of cardiopulmonary rehabilitation and prevention

    2023  Volume 44, Issue 2, Page(s) 121–130

    Abstract: Purpose: Improving aerobic fitness through exercise training is recommended for the treatment of cardiovascular disease (CVD). However, strong justifications for the criteria of assessing improvement in key parameters of aerobic function including ... ...

    Abstract Purpose: Improving aerobic fitness through exercise training is recommended for the treatment of cardiovascular disease (CVD). However, strong justifications for the criteria of assessing improvement in key parameters of aerobic function including estimated lactate threshold (θ LT ), respiratory compensation point (RCP), and peak oxygen uptake (V˙ o2peak ) at the individual level are not established. We applied reliable change index (RCI) statistics to determine minimal meaningful change (MMC RCI ) cutoffs of θ LT , RCP, and V˙ o2peak for individual patients with CVD.
    Methods: Sixty-six stable patients post-cardiac event performed three exhaustive treadmill-based incremental exercise tests (modified Bruce) ∼1 wk apart (T1-T3). Breath-by-breath gas exchange and ventilatory variables were measured by metabolic cart and used to identify θ LT , RCP, and V˙ o2peak . Using test-retest reliability and mean difference scores to estimate error and test practice/exposure, respectively, MMC RCI values were calculated for V˙ o2 (mL·min -1. kg -1 ) at θ LT , RCP, and V˙ o2peak .
    Results: There were no significant between-trial differences in V˙ o2 at θ LT ( P = .78), RCP ( P = .08), or V˙ o2peak ( P = .74) and each variable exhibited excellent test-retest variability (intraclass correlation: 0.97, 0.98, and 0.99; coefficient of variation: 6.5, 5.4, and 4.9% for θ LT , RCP, and V˙ o2peak , respectively). Derived from comparing T1-T2, T1-T3, and T2-T3, the MMC RCI for θ LT were 3.91, 3.56, and 2.64 mL·min -1. kg -1

    4.01, 2.80, and 2.79 mL·min -1. kg -1 for RCP; and 3.61, 3.83, and 2.81 mL·min -1. kg -1 for V˙ o2peak . For each variable, MMC RCI scores were lowest for T2-T3 comparisons.
    Conclusion: These MMC RCI scores may be used to establish cutoff criteria for determining meaningful changes for interventions designed to improve aerobic function in individuals with CVD.
    MeSH term(s) Humans ; Cardiovascular Diseases ; Reproducibility of Results ; Oxygen Consumption ; Exercise Test ; Exercise
    Language English
    Publishing date 2023-12-08
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2272063-7
    ISSN 1932-751X ; 1932-7501
    ISSN (online) 1932-751X
    ISSN 1932-7501
    DOI 10.1097/HCR.0000000000000837
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Do Clinical Exercise Tests Permit Exercise Threshold Identification in Patients Referred to Cardiac Rehabilitation?

    Keltz, Randi R / Hartley, Tim / Huitema, Ashlay A / McKelvie, Robert S / Suskin, Neville G / Keir, Daniel A

    The Canadian journal of cardiology

    2023  Volume 39, Issue 11, Page(s) 1701–1711

    Abstract: Background: To evaluate the feasibility of "threshold-based" aerobic exercise prescription in cardiovascular disease, we aimed to quantify the proportion of patients whose clinical cardiopulmonary exercise test (CPET) permit identification of estimated ... ...

    Abstract Background: To evaluate the feasibility of "threshold-based" aerobic exercise prescription in cardiovascular disease, we aimed to quantify the proportion of patients whose clinical cardiopulmonary exercise test (CPET) permit identification of estimated lactate threshold (θ
    Methods: Breath-by-breath CPET data of 1102 patients (65 ± 12 years) referred to cardiac rehabilitation were analyzed to identify peak O
    Results: Mean V˙O
    Conclusions: Only 32% of CPETs exhibited both θ
    MeSH term(s) Humans ; Exercise Test/methods ; Cardiac Rehabilitation ; Oxygen Consumption/physiology ; Exercise/physiology ; Lactic Acid
    Chemical Substances Lactic Acid (33X04XA5AT)
    Language English
    Publishing date 2023-07-28
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 632813-1
    ISSN 1916-7075 ; 0828-282X
    ISSN (online) 1916-7075
    ISSN 0828-282X
    DOI 10.1016/j.cjca.2023.07.029
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Cardiac Rehabilitation Component Attendance and Impact of Intervening Clinical Events, as Well as Disease Severity and Risk Factor Burden.

    Grace, Sherry L / Prior, Peter L / Mamataz, Taslima / Hartley, Tim / Oh, Paul / Suskin, Neville

    Journal of cardiopulmonary rehabilitation and prevention

    2020  Volume 41, Issue 1, Page(s) 40–45

    Abstract: Purpose: To examine: (1) the rate of clinical events precluding cardiac rehabilitation (CR) continuation, (2) CR attendance by component in those without events, and (3) the association between disease severity (eg, tobacco use, diabetes, and depression) ...

    Abstract Purpose: To examine: (1) the rate of clinical events precluding cardiac rehabilitation (CR) continuation, (2) CR attendance by component in those without events, and (3) the association between disease severity (eg, tobacco use, diabetes, and depression) and component attendance (eg, exercise, diet, stress management, and tobacco cessation).
    Methods: Retrospective analysis of electronic records of the CR program in London, Ontario, from 1999 to 2017. Patients in the supervised program are offered exercise sessions 2 times/wk with a minimum of 48 prescribed sessions tailored to patient need. Patients attending ≥1 session without major factors that would limit their exercise ability were included. Intervening events were recorded, as was component attendance.
    Results: Of 5508 enrolled, supervised patients, 3696 did not have a condition that could preclude exercise. Of those enrolled, one-sixth (n = 912) had an intervening event; these patients were less likely to work, more likely to have medical risk factors, had more severe angina and depression, and lower functional capacity. The remaining cohort attended a mean of 26.5 ± 21.3 sessions overall (median = 27; 19% attending ≥48 sessions), including 20.5 ± 17.4 exercise sessions (median = 21). After exercise, the most common components attended were individual dietary and psychological counseling. Patients with more severe angina and depressive symptoms as well as tobacco users attended significantly fewer total sessions, but more of some specific components.
    Conclusions: In one-sixth of patients, CR attendance and completion are impacted by clinical factors beyond their control. Many patients are taking advantage of components specific to their risk factors, buttressing the value of individually tailored, menu-based programming.
    MeSH term(s) Cardiac Rehabilitation ; Exercise Therapy ; Humans ; Patient Compliance ; Retrospective Studies ; Risk Factors ; Severity of Illness Index
    Language English
    Publishing date 2020-12-09
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2272063-7
    ISSN 1932-751X ; 1932-7501
    ISSN (online) 1932-751X
    ISSN 1932-7501
    DOI 10.1097/HCR.0000000000000571
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.A 1998: Show issues Location:
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  4. Article ; Online: Sex, Depression, and More in Cardiac Rehabilitation.

    Suskin, Neville G / Huitema, Ashlay A / Hartley, Tim / McKelvie, Robert S

    The Canadian journal of cardiology

    2020  Volume 37, Issue 3, Page(s) 357–358

    MeSH term(s) Anxiety ; Cardiac Rehabilitation ; Cohort Studies ; Depression/epidemiology ; Female ; Humans
    Language English
    Publishing date 2020-12-05
    Publishing country England
    Document type Editorial ; Research Support, Non-U.S. Gov't ; Comment
    ZDB-ID 632813-1
    ISSN 1916-7075 ; 0828-282X
    ISSN (online) 1916-7075
    ISSN 0828-282X
    DOI 10.1016/j.cjca.2020.12.001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Patient satisfaction with access and continuity of care in a multidisciplinary academic family medicine clinic.

    Wetmore, Stephen / Boisvert, Leslie / Graham, Esther / Hall, Susan / Hartley, Tim / Wright, Lynda / Hammond, Jo-Anne / Ings, Holly / Lent, Barbara / Pawelec-Brzychczy, Anna / Valiquet, Stacey / Wickett, Jamie / Willing, Joanne

    Canadian family physician Medecin de famille canadien

    2014  Volume 60, Issue 4, Page(s) e230–6

    Abstract: Objective: To determine patient satisfaction with care provided at a family medicine teaching clinic.: Design: Mailed survey.: Setting: Victoria Family Medical Centre in London, Ont.: Participants: Stratified random sample of 600 regular ... ...

    Abstract Objective: To determine patient satisfaction with care provided at a family medicine teaching clinic.
    Design: Mailed survey.
    Setting: Victoria Family Medical Centre in London, Ont.
    Participants: Stratified random sample of 600 regular patients of the clinic aged 18 years or older; 301 responses were received.
    Main outcome measures: Patient satisfaction with overall care, wait times for appointments, contact with physicians, and associated demographic factors. Logistic regression analysis and analysis were used to determine the significance of factors associated with satisfaction.
    Results: The response rate was 50%. Overall, 88% of respondents were fairly, very, or completely satisfied with care. Older patients tended to be more satisfied. Patients who were less satisfied had longer wait times for appointments (P < .001) and reduced continuity with specific doctors (P = .004). More satisfied patients also felt connected through other members of the health care team.
    Conclusion: Patients were generally satisfied with the care provided at the family medicine teaching clinic. Older patients tended to be more satisfied than younger patients. Points of dissatisfaction were related to wait times for appointments and continuity with patients' usual doctors. These findings support the adoption of practices that reduce wait times and facilitate continuity with patients' usual doctors and other regular members of the health care team.
    MeSH term(s) Academic Medical Centers ; Adult ; Age Factors ; Aged ; Appointments and Schedules ; Continuity of Patient Care ; Family Practice ; Female ; Health Services Accessibility ; Humans ; Logistic Models ; Male ; Middle Aged ; Ontario/epidemiology ; Outpatient Clinics, Hospital ; Patient Care Team ; Patient Satisfaction/statistics & numerical data ; Surveys and Questionnaires
    Language English
    Publishing date 2014-04-14
    Publishing country Canada
    Document type Journal Article
    ZDB-ID 603565-6
    ISSN 1715-5258 ; 0008-350X
    ISSN (online) 1715-5258
    ISSN 0008-350X
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.B 2236: Show issues Location:
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  6. Article ; Online: One, two and three-dimensional ultrasound measurements of carotid atherosclerosis before and after cardiac rehabilitation: preliminary results of a randomized controlled trial.

    Lindenmaier, Tamas J / Buchanan, Daniel N / Pike, Damien / Hartley, Tim / Reid, Robert D / Spence, J David / Chan, Richard / Sharma, Michael / Prior, Peter L / Suskin, Neville / Parraga, Grace

    Cardiovascular ultrasound

    2013  Volume 11, Page(s) 39

    Abstract: Background: It is still not known how patients who are post-transient ischemic attack (TIA) or post-stroke might benefit from prospectively planned comprehensive cardiac rehabilitation (CCR). In this pilot evaluation of a larger ongoing randomized- ... ...

    Abstract Background: It is still not known how patients who are post-transient ischemic attack (TIA) or post-stroke might benefit from prospectively planned comprehensive cardiac rehabilitation (CCR). In this pilot evaluation of a larger ongoing randomized-controlled-trial, we evaluated ultrasound (US) measurements of carotid atherosclerosis in subjects following TIA or mild non-disabling stroke and their relationship with risk factors before and after 6-months of CCR.
    Methods: Carotid ultrasound (US) measurements of one-dimensional intima-media-thickness (IMT), two-dimensional total-plaque-area (TPA), three-dimensional total-plaque-volume (TPV) and vessel-wall-volume (VWV) were acquired before and after 6-months CCR for 39 subjects who had previously experienced a TIA and provided written informed consent to participate in this randomized controlled trial. We maintained blinding for this ongoing study by representing treatment and control groups as A or B, although we did not identify which of A or B was treatment or control. Carotid IMT, TPA, TPV and VWV were measured before and after CCR as were changes in body mass index (BMI), total cholesterol (TC), high-density lipoprotein (HDL), low-density lipoprotein (LDL), triglycerides (TG), systolic blood pressure (SBP) and diastolic blood pressure (DBP).
    Results: There were no significant differences in US measurements or risk factors between groups A and B. There was no significant change in carotid ultrasound measurements for group A (IMT, p = .728; TPA, p = .629; TPV, p = .674; VWV, p = .507) or B (IMT, p = .054; TPA, p = .567; TPV, p = .773; VWV, p = .431) at the end of CCR. There were significant but weak-to-moderate correlations between IMT and VWV (r = 0.25, p = .01), IMT and TPV (r = 0.21, p = .01), TPV and TPA (r = 0.60, p < .0001) and VWV and TPV (r = 0.22, p = .02). Subjects with improved TC/HDL ratios showed improved carotid VWV although, this was not statistically significant.
    Conclusion: In this preliminary evaluation, there were no significant differences in carotid US measurements in the control or CCR group; a larger sample size and/or longer duration is required to detect significant changes in US or other risk factor measurements.
    MeSH term(s) Aged ; Carotid Artery Diseases/complications ; Carotid Artery Diseases/diagnostic imaging ; Carotid Artery Diseases/rehabilitation ; Echocardiography/methods ; Echocardiography, Three-Dimensional/methods ; Female ; Humans ; Ischemic Attack, Transient/diagnostic imaging ; Ischemic Attack, Transient/etiology ; Ischemic Attack, Transient/rehabilitation ; Male ; Middle Aged ; Pilot Projects ; Reproducibility of Results ; Sensitivity and Specificity ; Treatment Outcome
    Language English
    Publishing date 2013-11-06
    Publishing country England
    Document type Journal Article ; Randomized Controlled Trial ; Research Support, Non-U.S. Gov't
    ISSN 1476-7120
    ISSN (online) 1476-7120
    DOI 10.1186/1476-7120-11-39
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Book: DB2/SQL

    Martyn, Tim / Hartley, Tim / Martyn-Hartley

    a professional programmer's guide

    (J. Ranade IBM series)

    1989  

    Author's details Tim Martyn; Tim Hartley
    Series title J. Ranade IBM series
    Language English
    Size XXIX, 472 S, ill
    Publisher McGraw-Hill
    Publishing place New York, N.Y
    Document type Book
    Note SD: Martyn-Hartley
    ISBN 0070406669 ; 9780070406667
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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