Young investigator award session III- Exercise Basic & Translational Research (EBTR)
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Notice bibliographique
Résumé
Background: Traditional cardiac rehabilitation programs may not satisfy the needs or interests of women with heart disease. Aerobic interval training (AIT) has been shown to produce similar and even greater improvements in physical and mental health when compared to moderate-intensity continuous exercise (MICE) in patients with heart disease. Little is known regarding the impact of AIT in women with heart disease. Purpose: Using a matched case-control design, the purpose of this study was to examine the impact of AIT in comparison to MICE on physical and mental health in women with heart disease. We hypothesized that AIT delivered to women with heart disease within a cardiac rehabilitation program would produce similar or greater improvements in physical and mental health outcomes when compared to MICE. Methods: Women attended (1) AIT (45 mins: 10-min warm-up, 30 mins of alternating high [4 mins at 85-95% HRpeak] and low [3 mins at 60-70% HRpeak] intervals, 10-min cool-down) 2x/week for 10 weeks, the first two of the 10 weeks served as a familiarization period for AIT, or (2) MICE (60 mins: 10-min warm-up, 35 mins of aerobic conditioning, 15-min cool-down) 2x/week for 8 weeks. Height, body mass, waist circumference, resting blood pressure and heart rate and the Hospital Anxiety and Depression Scale were assessed and graded exercise tests were conducted (AIT only). Descriptive statistics were used to report the measures and their variations, and general linear model procedures for repeated measures were used to examine differences between the AIT and MICE groups. Results: Fifty women with heart disease (AIT, n=25; MICE, n=25) (meanAESD: 58AE9 years; body mass index: 28.3AE6.3 kg/m2; waist circumference: 93.7AE13.6 cm; resting blood pressure: 122AE18/73AE9 mmHg [normotensive due to medical management]; resting HR: 70AE14 bpm) participated. The AIT group exercised, on average, at 86% and 69% of age predicted HRpeak during the high and low intensity intervals, respectively, and attended 18 of 20 (90%) exercise sessions. The MICE group exercised, on average, at 74% of age predicted HRpeak, and attended 15 of 16 (94%) exercise sessions. Significant improvements in waist circumference (AIT: -5.1AE7.7 cm; MICE: -2.4AE5.1 cm), resting diastolic blood pressure (AIT: -3.5AE7.0 mmHg; MICE: -5.4AE8.9 mmHg), anxiety (AIT: -2.0AE3.5 points; MICE: -1.6AE3.2 points), depression (AIT: -0.6AE3.2 points; MICE: -1.4AE2.2 points) and VO2peak (AIT: +2.1AE2.6 mL/kg/min) from baseline to follow-up were observed (ps<0.05). No significantly different changes in physical or mental health outcomes were observed between the AIT and MICE groups (ps>0.05). Conclusions: AIT and MICE led to statistical and clinical improvements in physical and mental health outcomes for women with heart disease. The shorter AIT program requiring 15 minutes less each session may be considered an advantage to women with heart disease who often cite time restrictions as a barrier to cardiac rehabilitation.
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Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,002 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle