Abstract 338: Qtc Prolongation in Patients With Left Ventricular Heart Failure and Its Relation to Increased Mortality and Hospitalizations
Notice bibliographique
Résumé
Background: Cardiovascular disease (CVD) is the second leading cause of death among Canadians for decades. It is also no surprise that heart failure rates are on the rise. 600,000 cases of heart failure are diagnosed yearly in Canada. The aim of our investigation was to conduct a retrospective observational study to investigate if prolonged QTc intervals lead to increased re-hospitalization and mortality in patients suffering from Left Ventricular Failure. Methods: We performed an observational case series with a retrospective chart review of 356 CHARM clinic patients who have been diagnosed with Left Ventricular Heart Failure from August 2017 till June 2019. The primary endpoint was to look at patients with left ventricular Heart failure, QTc interval recorded and their files where verified from Alberta’s health care portal to see if re-hospitalizations increased and/or mortality happened. Pre-cautions taken not to include patients with Cardiac re-synchronization therapy and congenital prolonged QTc interval in the study. Patients in Group A were HF patients who had prolonged QTc interval and Group B HF patients with Normal QTc interval. Bazett formula was applied to the QT and correct to Heart rate accordingly. Results: The data from 356 patients with heart failure revealed the following Patients with Heart failure and prolonged QTc interval- 35% had re-hospitalizations while heart failure patients with normal QTc interval had a re-hospitalization rate of 13%. Mortality was also seen higher in Group A versus Group B. It must be noted that Medications that prolonged QT interval was also accounted for and notifications were made as to the presence of arrythmia in patients with increased QT intervals. Presence or increased incidence of arrhythmia there by leads to increased chances of mortality and re-admission. Group 1 had the consumption of medications that increased QT interval more prevalent that Group 2. Conclusion: Prolongation of QTc interval should be noted as an important prognostic factor into the re-admission and mortality rate of patients with heart failure as subtracting various flawing factors. Further resources and investigation should be conducted to truly figure out if QTc prolongation leads to mortality.
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Comment cette classification a été obtenuedéplier
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 | 0,001 | 0,001 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 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 découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».