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Time to Blood Pressure Control Before Thrombolytic Therapy in Patients With Acute Ischemic Stroke: Comparison of Labetalol, Nicardipine, and Hydralazine.
J Neurosci Nurs. 2015 Dec; 47(6):327-32.JN

Abstract

BACKGROUND

Elevated blood pressure is common in patients with acute ischemic stroke. Thrombolytic therapy is contraindicated in patients with a systolic blood pressure greater than 185 mmHg or diastolic blood pressure greater than 110 mmHg. Elevated blood pressure can lead to a delay in thrombolytic therapy, which is associated with increased morbidity. There is currently insufficient evidence to support the use of a specific antihypertensive agent in this setting.

OBJECTIVE

This study aimed to compare the effects of labetalol, nicardipine, or hydralazine on time to target blood pressure before alteplase administration in patients with acute ischemic stroke.

METHODS

A retrospective chart review was conducted to identify patients who received labetalol, nicardipine, or hydralazine to treat elevated blood pressure (systolic blood pressure > 185 or diastolic blood pressure > 110) before intravenous alteplase therapy for ischemic stroke. Data collection included time to blood pressure control, door-to-needle time, total dose administered, and use of additional antihypertensive agent(s).

RESULTS

Most patients in this study received labetalol (25/29). Median time to blood pressure control was 10, 22, and 15 minutes in the labetalol, nicardipine, and hydralazine groups, respectively. Among patients who received labetalol, the average time to blood pressure control was 10 minutes longer in those who received 10 mg initially versus those who received 20 mg. Patients who required higher total doses of labetalol tended to achieve blood pressure control more slowly, had longer door-to-needle times, and required additional antihypertensive agents.

CONCLUSIONS

Adequate initial dosing of antihypertensive treatment has the potential to reduce time to blood pressure control and possibly time to alteplase therapy. The optimal antihypertensive regimen for controlling blood pressure before alteplase therapy remains unclear.

Links

Publisher Full Text (DOI)

Authors+Show Affiliations

McKay C
Questions or comments about this article may be directed to Courtney McKay, PharmD, at courtney.mckay@bellevue.nychhc.org. She is the Surgical Intensive Care Unit Clinical Pharmacist at Bellevue Hospital Center, New York, NY, and Assistant Clinical Professor at St. John's University, Queens, NY. A. Brad Hall, PharmD, is the Director of PGY-2 Emergency Medicine Pharmacy Residency and Emergency Medicine Clinical Pharmacist, Lakeland Regional Medical Center, Lakeland, FL. Jennifer Cortes, PharmD BCPS, is the Medical Critical Care Clinical Pharmacy Specialist, Memorial Hermann Medical Center, Houston, TX.
Hall AB
No affiliation info available
Cortes J
No affiliation info available

MeSH

AdultAgedAged, 80 and overAntihypertensive AgentsBlood PressureBrain IschemiaFemaleFibrinolytic AgentsHumansHydralazineHypertensionInfusions, IntravenousLabetalolMaleMiddle AgedNicardipineRetrospective StudiesStrokeThrombolytic TherapyTime FactorsTissue Plasminogen Activator

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

26528950

Citation

McKay, Courtney, et al. "Time to Blood Pressure Control Before Thrombolytic Therapy in Patients With Acute Ischemic Stroke: Comparison of Labetalol, Nicardipine, and Hydralazine." The Journal of Neuroscience Nursing : Journal of the American Association of Neuroscience Nurses, vol. 47, no. 6, 2015, pp. 327-32.
McKay C, Hall AB, Cortes J. Time to Blood Pressure Control Before Thrombolytic Therapy in Patients With Acute Ischemic Stroke: Comparison of Labetalol, Nicardipine, and Hydralazine. J Neurosci Nurs. 2015;47(6):327-32.
McKay, C., Hall, A. B., & Cortes, J. (2015). Time to Blood Pressure Control Before Thrombolytic Therapy in Patients With Acute Ischemic Stroke: Comparison of Labetalol, Nicardipine, and Hydralazine. The Journal of Neuroscience Nursing : Journal of the American Association of Neuroscience Nurses, 47(6), 327-32. https://doi.org/10.1097/JNN.0000000000000170
McKay C, Hall AB, Cortes J. Time to Blood Pressure Control Before Thrombolytic Therapy in Patients With Acute Ischemic Stroke: Comparison of Labetalol, Nicardipine, and Hydralazine. J Neurosci Nurs. 2015;47(6):327-32. PubMed PMID: 26528950.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Time to Blood Pressure Control Before Thrombolytic Therapy in Patients With Acute Ischemic Stroke: Comparison of Labetalol, Nicardipine, and Hydralazine. AU - McKay,Courtney, AU - Hall,A Brad, AU - Cortes,Jennifer, PY - 2015/11/4/entrez PY - 2015/11/4/pubmed PY - 2016/9/8/medline SP - 327 EP - 32 JF - The Journal of neuroscience nursing : journal of the American Association of Neuroscience Nurses JO - J Neurosci Nurs VL - 47 IS - 6 N2 - BACKGROUND: Elevated blood pressure is common in patients with acute ischemic stroke. Thrombolytic therapy is contraindicated in patients with a systolic blood pressure greater than 185 mmHg or diastolic blood pressure greater than 110 mmHg. Elevated blood pressure can lead to a delay in thrombolytic therapy, which is associated with increased morbidity. There is currently insufficient evidence to support the use of a specific antihypertensive agent in this setting. OBJECTIVE: This study aimed to compare the effects of labetalol, nicardipine, or hydralazine on time to target blood pressure before alteplase administration in patients with acute ischemic stroke. METHODS: A retrospective chart review was conducted to identify patients who received labetalol, nicardipine, or hydralazine to treat elevated blood pressure (systolic blood pressure > 185 or diastolic blood pressure > 110) before intravenous alteplase therapy for ischemic stroke. Data collection included time to blood pressure control, door-to-needle time, total dose administered, and use of additional antihypertensive agent(s). RESULTS: Most patients in this study received labetalol (25/29). Median time to blood pressure control was 10, 22, and 15 minutes in the labetalol, nicardipine, and hydralazine groups, respectively. Among patients who received labetalol, the average time to blood pressure control was 10 minutes longer in those who received 10 mg initially versus those who received 20 mg. Patients who required higher total doses of labetalol tended to achieve blood pressure control more slowly, had longer door-to-needle times, and required additional antihypertensive agents. CONCLUSIONS: Adequate initial dosing of antihypertensive treatment has the potential to reduce time to blood pressure control and possibly time to alteplase therapy. The optimal antihypertensive regimen for controlling blood pressure before alteplase therapy remains unclear. SN - 1945-2810 UR - https://www.unboundmedicine.com/medline/citation/26528950/Time_to_Blood_Pressure_Control_Before_Thrombolytic_Therapy_in_Patients_With_Acute_Ischemic_Stroke:_Comparison_of_Labetalol_Nicardipine_and_Hydralazine_ DB - PRIME DP - Unbound Medicine ER -