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Atropine pharmacokinetics and pharmacodynamics following endotracheal versus endobronchial administration in dogs
Year:
1999
Source of publication :
Resuscitation
Authors :
Ezra, David
;
.
Volume :
41
Co-Authors:
Paret, G., Pediatric Intensive Care Unit, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Mazkereth, R., Department of Neonatology, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Sella, R., Pediatric Intensive Care Unit, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Almog, S., Department of Clinical Pharmacology, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Mayan, H., Department of Clinical Pharmacology, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Lotan, D., Pediatric Intensive Care Unit, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Ben-Abraham, R., Pediatric Intensive Care Unit, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Barzilay, Z., Pediatric Intensive Care Unit, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Ezra, D., Department of Clinical Pharmacology, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Facilitators :
From page:
57
To page:
62
(
Total pages:
6
)
Abstract:
Emergency endotracheal and endobronchial drug administration provide an effective alternative for intravenous drug delivery during cardiopulmonary resuscitation. The purpose of the present study was to determine the immediate pharmacokinetic and pharmacodynamic properties of atropine following administration by either of these routes. Atropine (0.02 mg/kg) was given to seven anaesthetized mongrel dogs. Each dog was studied twice: once when atropine was injected into the endotracheal tube, and on another day when atropine was given via a flexible catheter wedged into a peripheral bronchus. Plasma atropine concentrations and blood gases were measured during 60 min following drug administration. Both routes of atropine administration differed significantly in three measures: the maximal atropine concentration (C(max)) was significantly higher with the endobronchial administration 40.0±7.8 ng/ml compared to 23.9±5 ng/ml endotracheally (P=0.008); atropine's elimination (t(1/2β)) half-life was significantly longer with the endobronchial route (39.3±5.2 min vs. 28.0±7.9 min; P=0.05); Endobronchial administration resulted in an increase of 16% in heart rate, beginning immediately after drug delivery and peaking after 5 min. Other pharmacokinetic parameters were not significantly different. We conclude that endobronchial administration of atropine has a clear advantage over the endotracheal route. Copyright (C) 1999 Elsevier Science Ireland Ltd.
Note:
Related Files :
animal experiment
Animals
Bronchi
Dogs
Female
Male
Random Allocation
Resuscitation
Show More
Related Content
More details
DOI :
10.1016/S0300-9572(99)00031-3
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
29809
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:49
Scientific Publication
Atropine pharmacokinetics and pharmacodynamics following endotracheal versus endobronchial administration in dogs
41
Paret, G., Pediatric Intensive Care Unit, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Mazkereth, R., Department of Neonatology, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Sella, R., Pediatric Intensive Care Unit, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Almog, S., Department of Clinical Pharmacology, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Mayan, H., Department of Clinical Pharmacology, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Lotan, D., Pediatric Intensive Care Unit, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Ben-Abraham, R., Pediatric Intensive Care Unit, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Barzilay, Z., Pediatric Intensive Care Unit, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Ezra, D., Department of Clinical Pharmacology, Chaim Sheba Medical Center, Tel-Hashomer, 52621 Tel-Aviv, Israel
Atropine pharmacokinetics and pharmacodynamics following endotracheal versus endobronchial administration in dogs
Emergency endotracheal and endobronchial drug administration provide an effective alternative for intravenous drug delivery during cardiopulmonary resuscitation. The purpose of the present study was to determine the immediate pharmacokinetic and pharmacodynamic properties of atropine following administration by either of these routes. Atropine (0.02 mg/kg) was given to seven anaesthetized mongrel dogs. Each dog was studied twice: once when atropine was injected into the endotracheal tube, and on another day when atropine was given via a flexible catheter wedged into a peripheral bronchus. Plasma atropine concentrations and blood gases were measured during 60 min following drug administration. Both routes of atropine administration differed significantly in three measures: the maximal atropine concentration (C(max)) was significantly higher with the endobronchial administration 40.0±7.8 ng/ml compared to 23.9±5 ng/ml endotracheally (P=0.008); atropine's elimination (t(1/2β)) half-life was significantly longer with the endobronchial route (39.3±5.2 min vs. 28.0±7.9 min; P=0.05); Endobronchial administration resulted in an increase of 16% in heart rate, beginning immediately after drug delivery and peaking after 5 min. Other pharmacokinetic parameters were not significantly different. We conclude that endobronchial administration of atropine has a clear advantage over the endotracheal route. Copyright (C) 1999 Elsevier Science Ireland Ltd.
Scientific Publication
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