2010
DOI: 10.1016/j.ajem.2009.07.007
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First case of stress cardiomyopathy as a result of methadone withdrawal secondary to drug-drug interaction

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Cited by 24 publications
(11 citation statements)
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“…The most dangerous side effect of methadone is torsade de pointes (TdP) [18-22], which may threaten a patient's life. MDIs can either increase [23] or decrease [24] serum methadone levels, leading to treatment failure or even death [19,25]. Therefore, proper methadone dose adjustment and therapeutic drug monitoring should be handled with caution when MMTP patients also have received other medicines that could yield TdP or interfere with the activities of cytochrome P 450 (CYP450) enzymes, such as 3A4 [26], 2B6 [26,27], 2C19 [27] or 2D6 [28].…”
Section: Introductionmentioning
confidence: 99%
“…The most dangerous side effect of methadone is torsade de pointes (TdP) [18-22], which may threaten a patient's life. MDIs can either increase [23] or decrease [24] serum methadone levels, leading to treatment failure or even death [19,25]. Therefore, proper methadone dose adjustment and therapeutic drug monitoring should be handled with caution when MMTP patients also have received other medicines that could yield TdP or interfere with the activities of cytochrome P 450 (CYP450) enzymes, such as 3A4 [26], 2B6 [26,27], 2C19 [27] or 2D6 [28].…”
Section: Introductionmentioning
confidence: 99%
“…The sympathetic overstimulation can be caused by pheochromocytoma, exogenous sympathomimitics, or the withdrawal of sympathetic antagonists, such as opioids [7][8][9][10] . Fentanyl is potent, synthetic opioid analgesic, approximately 50-100 J Korean Geriatr Soc 19(2) June 2015 101 times more potent than morphine on a dose-by-dose basis.…”
Section: Discussionmentioning
confidence: 99%
“…15,16 Although the association between methadone withdrawal and TTC has already been reported, in two previous cases the syndrome occurred soon after administration of an opioid antagonist while in our patient heart failure developed late after methadone discontinuation as a consequence of the drug pharmacokinetic. 13,14 Furthermore, to our knowledge, this is the first report to highlight the efficacy of clonidine administration in addition to standard therapy in counteracting the causative mechanism of TTC. Clonidine is a central sympatholytic drug which decreases presynaptic alpha-2 receptors in the locus coeruleus and is an effective treatment for opioid withdrawal.…”
Section: Discussionmentioning
confidence: 99%
“…2 The sympathetic overstimulation can also be caused by pheochromocytoma, exogenous sympathomimetics, or withdrawal of sympathetic antagonists, such as opioids. [8][9][10][11][12][13][14] Methadone is a synthetic opioid prescribed as an analgesic and anti-addictive drug. By binding to the opioids receptor, it reduces the euphoric effect of illicit drugs such as heroin and, at the same time, mitigates withdrawal symptoms.…”
Section: Discussionmentioning
confidence: 99%