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Changes in arterial blood pressure during traction of extra‐ocular muscles. A study in rabbits
Author(s) -
KHURANA I.,
KHURANA A. K.,
SINGH P. I.,
GOMBAR K. K.
Publication year - 1992
Publication title -
anaesthesia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.839
H-Index - 117
eISSN - 1365-2044
pISSN - 0003-2409
DOI - 10.1111/j.1365-2044.1992.tb02326.x
Subject(s) - medicine , oculocardiac reflex , reflex , atropine , blood pressure , anesthesia , reflex arc , vagotomy , reflex bradycardia , traction (geology) , heart rate , surgery , bradycardia , geomorphology , geology
Summary A significant reflex fall in mean arterial blood pressure from baseline values was observed during extra‐ocular muscle traction in rabbits. This effect could be abolished only by retrobulbar block (afferent pathway block) and not by vagotomy, intravenous atropine or glvcopyrronium, suggesting that it is distinct from, and independent of, the oculocardiac reflex. We suggest that these reflex changes in blood pressure be known as the ‘oculodepressor reflex’.