Achieved diastolic blood pressure and pulse pressure at target systolic blood pressure (120–140 mmHg) and cardiovascular outcomes in high-risk patients: results from ONTARGET and TRANSCEND trials
Notice bibliographique
Résumé
Aims: Current guidelines of hypertensive management recommend upper limits for systolic (SBP) and diastolic blood pressure (DBP). J-curve associations of BP with risk exist for some outcomes suggesting that lower limits of DBP goals may also apply. We examined the association between mean attained DBP and cardiovascular (CV) outcomes in patients who achieved an on-treatment SBP in the range of 120 to <140 mmHg in the Ongoing Telmisartan Alone and in Combination with Ramipril Global Endpoint Trial (ONTARGET) and Telmisartan Randomized AssessmeNt Study in ACE iNtolerant participants with cardiovascular Disease (TRANSCEND) trials on patients with high CV risk. This SBP range was associated with the lowest CV risk. Methods: We analysed the outcome data from patients age 55 years or older with CV disease from the ONTARGET and TRANSCEND trials that randomized high-risk patients to ramipril, telmisartan, and the combination. In patients with controlled SBP (on-treatment 120 to <140 mmHg), the composite outcome of CV death, myocardial infarction, stroke and hospital admission for heart failure, the components thereof, and all-cause mortality were analysed according to mean on-treatment DBP as categorical (<70, 70 to <80, 80 to <90, and ≥90 mmHg) and continuous variable as well as the change of DBP according to baseline DBP. Pulse pressure (PP) was related to outcomes as a continuous variable. Results: In 16 099 of 31 546 patients, mean achieved SBP was 120 to <140 mmHg. The nominally lowest risk for all outcomes was observed at an achieved DBP of 70 to <80 mmHg. A higher achieved DBP was associated with a higher risk for the outcomes of stroke and of hospitalization for heart failure (≥80 mmHg) and myocardial infarction (≥90 mmHg). A lower achieved DBP (<70 mmHg) was associated with a higher risk for the primary outcome [hazard ratio (HR) 1.29, 95% confidence interval (95% CI) 1.15-1.45; P < 0.0001], myocardial infarction HR 1.54 (95% CI 1.26-1.88, P < 0.0001) and hospitalization for heart failure HR 1.81 (95% CI 1.47-2.24, P < 0.0001) and all-cause death (HR 1.19, 95% CI 1.04-1.35; P < 0.0001) while there was no signal for stroke and CV death compared to DBP 70 to <80 mmHg. A decrease of DBP was associated with lower risk when baseline DBP was >80 mmHg. The associations to outcomes were similar when patients were divided to SBP 120 to <130 mmHg or 130 to <140 mmHg for DBP or PP. Conclusion: Compared to a DBP of 70 to <80 mmHg, lower and higher DBP was associated with a higher risk in patients achieving a SBP of 120 to <140 mmHg. Associations of DBP and PP to risk were similar notably at controlled SBP. These data suggest at optimal achieved SBP, risk is still defined by low or high DBP. These findings support guidelines which take DBP at optimal SBP control into consideration.
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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 | 0,003 | 0,001 |
| Méta-épidémiologie (sens strict) | 0,001 | 0,000 |
| Méta-épidémiologie (sens large) | 0,003 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,001 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,001 |
| 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 ».