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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 ?
Ashley Parson added 16 kills and seven service aces.
Kayla Hixson collected 14 digs, 12 assists, six kills and five service aces to lead undefeated Myrtle Point (7-0) to a 25-17, 25-13, 25-11 triumph over host Glide.
Ashley Blanchfill had nine kills and Angela Saraceno added five service aces as Marist (4-1) remained in a first-place tie in the league with a 25-8, 25-18, 25-17 win over Creswell.
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.
Fortunately, the Centurions regrouped in time to pull out the win, getting six service aces from Lydia Demaio, 12 assists from Laura Putich and 14 kills from Macall Piana.
Amber Smith sparked the Lancers with six kills, and Katie Arney chipped in four blocks and five 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.
In the first game, no one really seemed ready to play,'' said Valencia's Davey Rowley, who had two kills and two service aces among the first eight Valencia points in Game 2.
Allix Strahon collected 20 assists, five kills and five service aces to lead Sheldon to a 25-15, 25-10, 25-6 win over visiting Willamette.
Winters had six service aces and a match-high 18 kills to push Pepperdine past Cal State Northridge 30-25, 30-27, 30-27 in the first round of the Mountain Pacific Sports Federation Tournament.
Ella Forrest added seven kills, 10 digs and nine service aces, and Whitney Root chipped in five kills, 12 digs and six aces for the Lancers.
Teammates Lydia Polson added nine kills, and Hana Hadawar had eight service aces.

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