The American journal of emergency medicine · 2023
Utility of nicardipine in the management of hypertensive crises in adults with reduced ejection fractions.
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Ibarra Francisco, Holzmann Sarah, Shah Saumya, Fountain Cade, Saleh Sahba, Kapoor Vishali, Dang Thu
Аннотация
BACKGROUND: Nicardipine is commonly used in the management of hypertensive crises, except those involving cardiac contractility defects despite its ability to reduce afterload and pulmonary congestion. Consequently, there is limited literature evaluating nicardipine's role for this indication. The purpose of this study was to evaluate the efficacy and safety of nicardipine in adults with reduced ejection fractions presenting with acute heart failure with hypertension (AHF-H).
METHODS: This was a retrospective study conducted at an academic Level 1 trauma center with an annual Emergency Department (ED) volume surpassing 100,000. The purpose of this study was to determine the efficacy and safety of nicardipine in adults with reduced ejection fractions presenting to the ED with AHF-H. Efficacy was determined by achievement of the physician prescribed blood pressure target range. The primary safety endpoints included the number of individuals who experienced bradycardia (< 60 beats per minute, bpm) or hypotension (systolic blood pressure, SBP, < 90 mmHg) while receiving nicardipine and for up to 15 min after its discontinuation. Patients were included if they were ≥ 18 years of age, received a continuous intravenous nicardipine infusion within six hours of presenting to the ED, and had an ejection fraction ≤ 40% per an echocardiogram obtained within three months of the study visit. Pregnant and incarcerated patients were excluded.
RESULTS: Of the 500 patient charts reviewed, 38 met inclusion criteria. The median (interquartile, IQR) ejection fraction and brain natriuretic peptide (BNP) were 35% (25-40) and 731 pg/nL (418-3277), respectively. The median baseline heart rate and SBP were 90 bpm and 193 mmHg, respectively. The median physician specified SBP goal was 160 mmHg and all patients met this endpoint in a median time of 18 min. One (2.6%) patient in the total population developed both hypotension and bradycardia. This patient had an ejection fraction of 20%, was intubated, and received nicardipine in addition to esmolol for an aortic dissection without experiencing an adverse event until 30 min after dexmedetomidine was initiated.
CONCLUSION: In this non-interventional study evaluating the use of nicardipine in patients with reduced ejection fractions presenting to the ED with AHF-H, nicardipine was found to be safe and effective. To our knowledge this is the largest study to date evaluating nicardipine in this patient population and positively contributes to the existing literature.
METHODS: This was a retrospective study conducted at an academic Level 1 trauma center with an annual Emergency Department (ED) volume surpassing 100,000. The purpose of this study was to determine the efficacy and safety of nicardipine in adults with reduced ejection fractions presenting to the ED with AHF-H. Efficacy was determined by achievement of the physician prescribed blood pressure target range. The primary safety endpoints included the number of individuals who experienced bradycardia (< 60 beats per minute, bpm) or hypotension (systolic blood pressure, SBP, < 90 mmHg) while receiving nicardipine and for up to 15 min after its discontinuation. Patients were included if they were ≥ 18 years of age, received a continuous intravenous nicardipine infusion within six hours of presenting to the ED, and had an ejection fraction ≤ 40% per an echocardiogram obtained within three months of the study visit. Pregnant and incarcerated patients were excluded.
RESULTS: Of the 500 patient charts reviewed, 38 met inclusion criteria. The median (interquartile, IQR) ejection fraction and brain natriuretic peptide (BNP) were 35% (25-40) and 731 pg/nL (418-3277), respectively. The median baseline heart rate and SBP were 90 bpm and 193 mmHg, respectively. The median physician specified SBP goal was 160 mmHg and all patients met this endpoint in a median time of 18 min. One (2.6%) patient in the total population developed both hypotension and bradycardia. This patient had an ejection fraction of 20%, was intubated, and received nicardipine in addition to esmolol for an aortic dissection without experiencing an adverse event until 30 min after dexmedetomidine was initiated.
CONCLUSION: In this non-interventional study evaluating the use of nicardipine in patients with reduced ejection fractions presenting to the ED with AHF-H, nicardipine was found to be safe and effective. To our knowledge this is the largest study to date evaluating nicardipine in this patient population and positively contributes to the existing literature.