Vasopressin combined with epinephrine decreases cerebral perfusion compared with vasopressin alone during cardiopulmonary resuscitation in pigs. 1998

V Wenzel, and K H Linder, and S Augenstein, and A W Prengel, and H U Strohmenger
Department of Anesthesiology, University of Ulm, Germany. Volker.Wenzel@uibk.ac.at

OBJECTIVE It is unknown whether a combination of vasopressin and epinephrine may be superior to vasopressin alone by targeting both nonadrenergic and adrenergic receptors. METHODS After 15 minutes of cardiac arrest (13 minutes of ventricular fibrillation and 2 minutes of pulseless electrical activity) and 3 minutes of chest compressions, 16 animals were randomly treated with either 0.8 U/kg vasopressin (n = 8) or 0.8 U/kg vasopressin combined with 200 microg/kg epinephrine (n = 8). RESULTS Comparison of vasopressin with vasopressin and epinephrine at 90 seconds and 5 minutes after drug administration resulted in comparable mean (+/-SEM) coronary perfusion pressure (54+/-3 versus 57+/-5 and 36+/-4 versus 35+/-4 mm Hg, respectively), cerebral perfusion pressure (59+/-6 versus 65+/-8 and 40+/-6 versus 39+/-6 mm Hg, respectively), and median (25th to 75th percentiles) left ventricular myocardial blood flow [116 (81 to 143) versus 108 (97 to 125) and 44 (35 to 81) versus 62 (42 to 74) mL x min(-1) x 100 g(-1), respectively], but significantly increased (P<0.05) total cerebral blood flow [81 (77 to 95) versus 39 (34 to 58) and 50 (43 to 52) versus 28 (16 to 35) mL x min(-1) x 100 g(-1), respectively]. Return of spontaneous circulation rates in both groups were comparable (vasopressin, 7 of 8; vasopressin and epinephrine, 6 of 8). CONCLUSIONS Comparison of vasopressin with vasopressin and epinephrine resulted in comparable left ventricular myocardial blood flow but significantly increased cerebral perfusion.

UI MeSH Term Description Entries
D002560 Cerebrovascular Circulation The circulation of blood through the BLOOD VESSELS of the BRAIN. Brain Blood Flow,Regional Cerebral Blood Flow,Cerebral Blood Flow,Cerebral Circulation,Cerebral Perfusion Pressure,Circulation, Cerebrovascular,Blood Flow, Brain,Blood Flow, Cerebral,Brain Blood Flows,Cerebral Blood Flows,Cerebral Circulations,Cerebral Perfusion Pressures,Circulation, Cerebral,Flow, Brain Blood,Flow, Cerebral Blood,Perfusion Pressure, Cerebral,Pressure, Cerebral Perfusion
D003326 Coronary Circulation The circulation of blood through the CORONARY VESSELS of the HEART. Circulation, Coronary
D004338 Drug Combinations Single preparations containing two or more active agents, for the purpose of their concurrent administration as a fixed dose mixture. Drug Combination,Combination, Drug,Combinations, Drug
D004837 Epinephrine The active sympathomimetic hormone from the ADRENAL MEDULLA. It stimulates both the alpha- and beta- adrenergic systems, causes systemic VASOCONSTRICTION and gastrointestinal relaxation, stimulates the HEART, and dilates BRONCHI and cerebral vessels. It is used in ASTHMA and CARDIAC FAILURE and to delay absorption of local ANESTHETICS. Adrenaline,4-(1-Hydroxy-2-(methylamino)ethyl)-1,2-benzenediol,Adrenaline Acid Tartrate,Adrenaline Bitartrate,Adrenaline Hydrochloride,Epifrin,Epinephrine Acetate,Epinephrine Bitartrate,Epinephrine Hydrochloride,Epinephrine Hydrogen Tartrate,Epitrate,Lyophrin,Medihaler-Epi,Acetate, Epinephrine
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013552 Swine Any of various animals that constitute the family Suidae and comprise stout-bodied, short-legged omnivorous mammals with thick skin, usually covered with coarse bristles, a rather long mobile snout, and small tail. Included are the genera Babyrousa, Phacochoerus (wart hogs), and Sus, the latter containing the domestic pig (see SUS SCROFA). Phacochoerus,Pigs,Suidae,Warthogs,Wart Hogs,Hog, Wart,Hogs, Wart,Wart Hog
D014667 Vasopressins Antidiuretic hormones released by the NEUROHYPOPHYSIS of all vertebrates (structure varies with species) to regulate water balance and OSMOLARITY. In general, vasopressin is a nonapeptide consisting of a six-amino-acid ring with a cysteine 1 to cysteine 6 disulfide bridge or an octapeptide containing a CYSTINE. All mammals have arginine vasopressin except the pig with a lysine at position 8. Vasopressin, a vasoconstrictor, acts on the KIDNEY COLLECTING DUCTS to increase water reabsorption, increase blood volume and blood pressure. Antidiuretic Hormone,Antidiuretic Hormones,beta-Hypophamine,Pitressin,Vasopressin,Vasopressin (USP),Hormone, Antidiuretic,beta Hypophamine
D016277 Ventricular Function, Left The hemodynamic and electrophysiological action of the left HEART VENTRICLE. Its measurement is an important aspect of the clinical evaluation of patients with heart disease to determine the effects of the disease on cardiac performance. Left Ventricular Function,Function, Left Ventricular,Functions, Left Ventricular,Left Ventricular Functions,Ventricular Functions, Left
D016887 Cardiopulmonary Resuscitation The artificial substitution of heart and lung action as indicated for HEART ARREST resulting from electric shock, DROWNING, respiratory arrest, or other causes. The two major components of cardiopulmonary resuscitation are artificial ventilation (RESPIRATION, ARTIFICIAL) and closed-chest CARDIAC MASSAGE. Basic Cardiac Life Support,CPR,Code Blue,Mouth-to-Mouth Resuscitation,Cardio-Pulmonary Resuscitation,Life Support, Basic Cardiac,Cardio Pulmonary Resuscitation,Mouth to Mouth Resuscitation,Mouth-to-Mouth Resuscitations,Resuscitation, Cardio-Pulmonary,Resuscitation, Cardiopulmonary,Resuscitation, Mouth-to-Mouth,Resuscitations, Mouth-to-Mouth

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