1987
DOI: 10.1213/00000539-198712000-00012
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Effects of Fentanyl and Sufentanil on Peripheral Mammalian Nerves

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Cited by 136 publications
(79 citation statements)
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“…The reasons why fentanyl was unable to improve the analgesia of the TAP block are unclear. One plausible explanation may be that fentanyl was unable to diffuse through the nerve sheath (8). In addition, the median time to first PCA was markedly shorter in the present study, as compared with those reported in previous studies, including 220 min (150-380 min) (2), 3 h (inter-quartile range, 1 h) (3) and 4 h (0.5-29 h) (4).…”
Section: Discussioncontrasting
confidence: 56%
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“…The reasons why fentanyl was unable to improve the analgesia of the TAP block are unclear. One plausible explanation may be that fentanyl was unable to diffuse through the nerve sheath (8). In addition, the median time to first PCA was markedly shorter in the present study, as compared with those reported in previous studies, including 220 min (150-380 min) (2), 3 h (inter-quartile range, 1 h) (3) and 4 h (0.5-29 h) (4).…”
Section: Discussioncontrasting
confidence: 56%
“…The existence of opioid receptors at peripheral nerves and the LA-like action of various opioids, including fentanyl and sufentanil, have been demonstrated in vitro (6,8); however, there has been controversy regarding the efficacy of the perineural application of opioids in clinical trials. Murphy et al (24) reported that opioids had limited benefits as analgesic adjuncts to the brachial plexus block, whereas they were shown to exert a definite but mild analgesia following intraarticular injection in another study (25).…”
Section: Discussionmentioning
confidence: 99%
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“…Evidences have begun to support the presence of peripheral opioid receptors. 10,11,12,13,14 So the possible mechanism of prolonged analgesia by peripheral opioid administration could be through direct binding at opioid receptors of dorsal nerve root aided by axonal flow, diffusion through brachial plexus sheath to extradural or subarachnoid space to dorsal horn and central action after peripheral systemic uptake. 15 Fentanyl, a phenylpiperidine derivative, is known to produce antinociception and enhance the effect of local anaesthetics when given epidurally or intrathecally.…”
Section: Discussionmentioning
confidence: 99%
“…Further, in combination with lidocaine, sufentanil does neither potentiate nor prolong the analgesic effect of lidocaine. [1][2][3][4] Furthermore, in an isolated sheathed and desheathed rabbit vagus nerve preparation, high concentrations of opioids have been shown to exert a weak local anesthetic-type action, 5 and recent investigations suggest the existence of opioid receptors mediating analgesia on the peripheral terminals of afferent nerves. [6][7][8][9][10] The analgesic effects of peripherally applied opioids, which may be reversed with an opioid antagonist such as naloxone 7 are especially prominent in inflamed tissue.…”
mentioning
confidence: 99%