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Blood samples were taken at three different time points: directly before (T1) and 15\u00a0min after (T2) the first ECT, and directly before the last one (T3). Patients responding to ECT had a significant decrease of the intraindividual epinephrine plasma level when both first time points (\u0394 T1-T2) were compared (\n                    <jats:italic>\u03c7<\/jats:italic>\n                    <jats:sup>2<\/jats:sup>\n                    (1)\u2009=\u200910.05,\n                    <jats:italic>p<\/jats:italic>\n                    \u2009=\u20090.002). This finding encourages further investigation in the understanding of the catecholamine-metabolism including its release and uptake in patients with treatment-resistant MDD receiving ECT.\n                  <\/jats:p>","DOI":"10.1007\/s00702-021-02420-1","type":"journal-article","created":{"date-parts":[[2021,9,23]],"date-time":"2021-09-23T20:59:01Z","timestamp":1632430741000},"page":"1917-1921","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Epinephrine levels decrease in responders after electroconvulsive therapy"],"prefix":"10.1007","volume":"128","author":[{"given":"Christoph","family":"Pollak","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2368-1235","authenticated-orcid":false,"given":"Hannah Benedictine","family":"Maier","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicole","family":"Moschny","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kirsten","family":"Jahn","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefan","family":"Bleich","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helge","family":"Frieling","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandra","family":"Neyazi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,9,23]]},"reference":[{"key":"2420_CR1","doi-asserted-by":"publisher","first-page":"1892570","DOI":"10.1155\/2018\/1892570","volume":"2018","author":"O Borodovitsyna","year":"2018","unstructured":"Borodovitsyna O, Joshi N, Chandler D (2018) Persistent stress-induced neuroplastic changes in the locus coeruleus\/norepinephrine system. 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