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- W76326557 abstract "Acute postoperative hypertension (APH) has been documented in the PACU. Over half of the patients who exhibit APH have pre-existing primary hypertension. Sustained blood pressure (BP) elevation increases the risk of myocardial ischemia, infarction, surgical site bleeding, or cerebral hemorrhage in these patients. Following surgery and anesthesia, increased sympathetic stimulation caused by a high level of circulating catecholamines can lead to APH. Some direct perioperative stimulants include pain, anxiety, hypoxia, hypercapnia, hypothermia, shivering, volume overload, and bladder distension. Nursing interventions are directed toward identifying and relieving the cause of APH. Antihypertensive drug therapy with vasodilators or adrenergic inhibitors is used if initial nursing interventions are not effective. Vasodilators frequently used are hydralazine, sodium nitroprusside, and nitroglycerin. Nicardipine has recently been introduced as an intravenous calcium channel blocker. Vasodilators are effective in BP reduction but may cause reflex tachycardia when used alone. Adrenergic inhibitors, such as esmolol and labetalol, block alpha and/or beta receptors to decrease heart rate and BP. Labetalol's effectiveness, relative freedom from side effects, and ease of administration have made it a useful drug in the treatment of APH." @default.
- W76326557 created "2016-06-24" @default.
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- W76326557 date "1992-02-01" @default.
- W76326557 modified "2023-09-23" @default.
- W76326557 title "Acute postoperative hypertension in the hypertensive patient." @default.
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