Document Detail

Objective and subjective tremor responses to oral beta 2 agents on first exposure. A comparison of metaproterenol and terbutaline.
MedLine Citation:
PMID:  6751176     Owner:  NLM     Status:  MEDLINE    
Objective and subjective postural tremor responses at 60 and 120 min after drug treatment were studied in 24 veterans with chronic obstructive pulmonary disease who received either 5 mg terbutaline, 20 mg metaproterenol, or a placebo in random order. Subjects were fasting, and had not taken theophylline for 15 to 24 h or any oral sympathomimetics for 2 wk. The mean tremor response to terbutaline and metaproterenol was equal at 60 min, but the 120-min response to metaproterenol was less. When the 60- and 120-min responses were averaged, tremor response to terbutaline was significantly greater than that to metaproterenol in a 5 : 4 ratio. Subjective awareness was also greater. These results are consistent with the difference in bronchodilatory potency of the two preparations. That the drug producing the greater tremor could usually be identified by the patient, even at low tremor intensities, is consistent with the hypothesis that perception of tremor is a function of relative rather than absolute increase over basal tremor unless the tremor becomes physically disabling. In general, the individual tremor response was proportional to the extent by which a patient's basal tremor exceeded the minimal basal tremor for the group as a whole. These results fit a model in which the postural tremor derives from beta-sensitive and beta-insensitive cardioballistic and skeletal muscle forces. Variability in tremor response resides principally at the peripheral skeletal beta 2-receptor and its control system.
J W Jenne; D J Ridley; R A Marcucci; W S Druz; J C Rook
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  The American review of respiratory disease     Volume:  126     ISSN:  0003-0805     ISO Abbreviation:  Am. Rev. Respir. Dis.     Publication Date:  1982 Oct 
Date Detail:
Created Date:  1982-12-03     Completed Date:  1982-12-03     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0370523     Medline TA:  Am Rev Respir Dis     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  607-10     Citation Subset:  AIM; IM    
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MeSH Terms
Administration, Oral
Clinical Trials as Topic
Double-Blind Method
Lung Diseases, Obstructive / drug therapy
Middle Aged
Orciprenaline / administration & dosage,  adverse effects*
Terbutaline / adverse effects*
Tremor / chemically induced*
Reg. No./Substance:
23031-25-6/Terbutaline; 586-06-1/Orciprenaline

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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