1992
DOI: 10.1016/0165-1838(92)90132-z
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Characteristics of sympathetic reflexes evoked by electrical stimulation of phrenic nerve afferents

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Cited by 22 publications
(15 citation statements)
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“…Second, the time course of changes in Q L and LVR are consistent with a buildup of muscle metabolites (12). Third, the diaphragm has an abundance of type IV metaboreceptors (2), and in anesthetized rats, fatiguing the diaphragm via phrenic nerve stimulation caused a twofold, time-dependent increase in type IV afferent discharge (14).…”
Section: Discussionmentioning
confidence: 90%
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“…Second, the time course of changes in Q L and LVR are consistent with a buildup of muscle metabolites (12). Third, the diaphragm has an abundance of type IV metaboreceptors (2), and in anesthetized rats, fatiguing the diaphragm via phrenic nerve stimulation caused a twofold, time-dependent increase in type IV afferent discharge (14).…”
Section: Discussionmentioning
confidence: 90%
“…On the basis of these findings, we predict that diaphragm fatigue will elicit sympathetically mediated vasoconstriction in resting limb muscle and perhaps also in other vascular beds, such as the coronary and renal circulation, which have been shown in anesthetized animals to increase their sympathetic nerve activity in response to electrical or pharmacological stimulation of phrenic nerve afferents (9,14,26).…”
Section: Discussionmentioning
confidence: 99%
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“…The diaphragm has an abundance of type IV metaboreceptors, and fatiguing the diaphragm via phrenic nerve stimulation caused an increase in type IV afferent discharge in anesthetized rats (15). Furthermore, when metaboreceptors in the diaphragm were stimulated electrically, pharmacologically, or with local lactic acid infusions, efferent sympathetic nerve activity increased and vascular conductance decreased in selected vascular beds (16,28,29). As shown in Figs.…”
Section: Effect Of Respiratory Muscle Fatigue On Msna and Bp Responsementioning
confidence: 91%
“…Diaphragm fatigue caused a timedependent increase in multiunit activity in small-diameter phrenic afferents in anesthetized cats (15,49) and in single-unit activity in group IV afferents in anesthetized rats (45). Furthermore, when metaboreceptors in the diaphragm or expiratory muscles were stimulated electrically, pharmacologically, or with local lactic acid infusions, efferent sympathetic nerve activity increased and vascular conductance decreased in several vascular beds, including those in limb muscle (48,96,102).…”
Section: Mechanisms By Which Respiratory Muscle Fatigue Could Affect mentioning
confidence: 99%