Changes in melatonin, cortisol, and body temperature, and the relationship between endogenousmelatonin levels and analgesia consumption in patients undergoing bariatric surgery

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dc.contributor.authorAltunkaya, Neslihan
dc.contributor.authorErdogan, Mehmet Ali
dc.contributor.authorOzgul, Ulku
dc.contributor.authorSanli, Mukadder
dc.contributor.authorUcar, Muharrem
dc.contributor.authorOzhan, Onural
dc.contributor.authorSumer, Fatih
dc.contributor.authorErdogan, Selim
dc.contributor.authorColak, Cemil
dc.contributor.authorDurmus, Mahmut
dc.date.accessioned2019-07-08T11:34:48Z
dc.date.available2019-07-08T11:34:48Z
dc.date.issued2018
dc.departmentİnönü Üniversitesien_US
dc.description.abstractBackground Melatonin has analgesic, anti-inflammatory, sedative, and anxiolytic properties. However, the relationship between endogenous melatonin levels and postoperative analgesic requirements has not been well elucidated in patients undergoing bariatric surgery. We studied endogenous melatonin levels, cortisol levels, body temperatures, and the relationship between the level of endogenous melatonin and postoperative morphine consumption. Methods The trial was conducted among 30 patients who were scheduled for laparoscopic bariatric surgery. Their ages were between 18 and 65 years and their BMIs were above 40 kg/m(2). Secretion of melatonin, cortisol, and body temperature was monitored before the anesthetic induction, at 2 h intraoperatively, and at 2, 6, 10, (2:00 A.M.) and 24 h postoperatively. For each patient, morphine consumption was assessed at postoperative visits. The primary outcomes were to measure endogenous melatonin levels and to examine the relationship between these levels and morphine consumption. The secondary outcome was to observe the changes in cortisol and body temperature. Results There was a significant decrease in melatonin levels when preoperative melatonin levels were compared with intraoperative and all postoperative follow-up periods (p < 0.05). When the correlation between plasma melatonin levels and the postoperative morphine consumption of the patients was inspected, there was a significant correlation in all of the follow-up periods (p < 0.05). When preoperative cortisol levels were compared with intraoperative and postoperative cortisol levels, there was a significant difference in the follow-up periods, except two periods (p < 0.05). Body temperatures were similar in all measurement periods. Conclusions Endogenous melatonin secretion was significantly decreased in the intraoperative and postoperative periods. Furthermore, there was a significant inverse correlation between changes in endogenous melatonin levels and morphine consumption.en_US
dc.identifier.citationAltunkaya, N. Erdogan, MA. Ozgul, U. Sanli, M. Ucar, M. Ozhan, O. Sumer, F. Erdogan, S. Colak, C. Durmus, M. (2018). Changes in melatonin, cortisol, and body temperature, and the relationship between endogenousmelatonin levels and analgesia consumption in patients undergoing bariatric surgery. Cilt:28. Sayı:10. 3186-3192 ss.en_US
dc.identifier.doi10.1007/s11695-018-3313-xen_US
dc.identifier.endpage3192en_US
dc.identifier.issue10en_US
dc.identifier.startpage3186en_US
dc.identifier.urihttps://hdl.handle.net/11616/12412
dc.identifier.volume28en_US
dc.language.isoenen_US
dc.publisherSprınger, 233 sprıng st, new york, ny 10013 usaen_US
dc.relation.ispartofObesıty surgeryen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAbdomınal hysterectomyen_US
dc.subjectcırcadıan-rhythmen_US
dc.subjectdouble-blınden_US
dc.subjectanesthesıaen_US
dc.subjectchronobıologyen_US
dc.subjectsecretıonen_US
dc.subjectmorphıneen_US
dc.subjectgenetıcsen_US
dc.subjectobesıtyen_US
dc.subjectpaınen_US
dc.titleChanges in melatonin, cortisol, and body temperature, and the relationship between endogenousmelatonin levels and analgesia consumption in patients undergoing bariatric surgeryen_US
dc.typeArticleen_US

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