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angiotensin

 (ACE) [an″je-o-ten´sin]
a vasoconstrictive substance formed in the blood when renin is released from the juxtaglomerular apparatus in the kidney. The enzymatic action of renin acts on angiotensinogen to form the decapeptide angiotensin I, which is relatively inactive. It in turn is acted upon by peptidases (converting enzymes), chiefly in the lungs, to form the octapeptide angiotensin II, a powerful vasopressor and a stimulator of aldosterone secretion by the adrenal cortex. By its vasopressor action, it raises blood pressure and diminishes fluid loss in the kidney by restricting blood flow. Angiotensin II is hydrolyzed in various tissues to form heptapeptide angiotensin III, which has less vasopressor activity but more effect on the adrenal cortex.
angiotensin-converting enzyme (ACE) an enzyme of the hydrolase class that catalyzes cleavage of a dipeptide from the C-terminal end of angiotensin I to form activated angiotensin II; called also peptidyl-dipeptidase A.
angiotensin-converting enzyme inhibitors competitive inhibitors of angiotensin-converting enzyme, which converts angiotensin I to angiotensin II and inactivates bradykinin. ACE inhibitors, such as captopril, are antagonists of the renin-angiotensin-aldosterone system and potentiators of the kinin system and are used for treatment of hypertension, usually in conjunction with a diuretic. They are also used as vasodilators in the treatment of congestive heart failure.

ACE

ACE

ACE

(1) Abciximab & Carbostent Evaluation in Acute Myocardial Infarction. A trial comparing outcomes of carbon-coated stenting of an infarct-related artery with and without abciximab.
Primary endpoint 30-day MACE (major acute coronary events)
Conclusion Abciximab + IRA stenting may be a viable reperfusion strategy in patients with acute myocardial infarction undergoing primary percutaneous revascularization.
(2) ASA & Carotid Endarterectomy. A trial comparing high- and low-dose aspirin to reduce the risk of stroke in patients undergoing carotid endarterectomy.
Primary endpoints 30-day MACE (major acute coronary events), stroke
Conclusion Low-dose (80, 325 mg) ASA patients did better

ACE

Angiotensin-converting enzyme, see there. Cf ACE inhibitors, also
1. Acute Care for Elderly.
2. Adriamycin, cyclophosphamide, etoposide.
3. Alcohol, chloroform, ether–obsolete anesthetic cocktail.
4. American College of Epidemiology.

ACE

Abbreviation for angiotensin-converting enzyme.

ACE

See ANGIOTENSIN-CONVERTING ENZYME.

ACE

angiotensin converting enzyme

ACE,

ACE

angiotensin-converting enzyme.

ACE inhibitors
a group of drugs used as vasodilators in the management of heart failure. They act to decrease circulating levels of angiotensin II and aldosterone. See captopril, enalapril, lisinopril.

ace

acepromazine.
References in periodicals archive ?
Setter Michelle Cobb also contributed three service aces on top of 30 excellent sets, while Tin Tiamzon and Aduke Ogunsanya added nine and eight points, respectively.
Sarah Morejohn had nine kills and four blocks and Tennille Maples added 12 service aces and six kills to lead Oakland past host Yoncalla 25-20, 25-18, 25-27, 25-6.
Jeanette Freeman had six kills and seven blocks, Trisha Hubbard chipped in 20 digs and Tori Obermeyer added five kills and 12 service aces for the Warriors.
John Paul Bugaoan led the Tamaraws to their third straight triumph with 19 points off 14 spikes, three blocks and two service aces.
Led by Brynn Edwards, the team's leader in digs and service aces last year, junior setter Christy Swagerty, and sisters Amanda and Rachel Roleder, the Lady Mustangs took three of four games (30-22, 30-24, 23-30 and 31-29) to improve its record to 4-5.
Kelsey Rogers collected 10 kills and 11 digs, Erica Omlid had 21 assists and Lindsey Hickam added 10 digs and six service aces to lead Thurston (4-1) over host Springfield 25-14, 25-9, 25-11.
Alvarez, one of the leading MVP candidates, unloaded 25 spikes, four service aces and one block for a 30-hit game and was also superb in defense with 20 digs and eight receptions.
Benilde tallied 12 service aces, while Letran had just four, but committed a total of 30 errors the whole match.
Amber Smith sparked the Lancers with six kills, and Katie Arney chipped in four blocks and five service aces.
He won 12 points in a row, mostly on big forehand winners with a couple of service aces.
Kaycee Gamez had 11 kills and three service aces as Sheldon defeated host Springfield 25-17, 25-18, 25-11 on Thursday to move into sole possession of first place in the Midwestern League prep volleyball standings with a 4-0 league record.
The Tornadoes banked on the all-around effort of Jaja Santiago, who scattered 10 kills, four blocks and three service aces.

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