Predictive value of magnesium levels in depressed patients.

Giovanni Camardese, Luigi Janiri, Luisa De Risio, Bruna Mattioli, Giusy Pizi, Riccardo Serrani, Beniamino Leone, Pietro Bria

Risultato della ricerca: Contributo in rivistaContributo a convegnopeer review

Abstract

Background and Aim: High, normal or low plasma magnesium (Mg) levels have been observed in depressed patients. The aim of our study was to investigate the relationship of plasma Mg levels with depression severity, specific psychopathological dimensions and treatment outcome. Materials and Methods: 123 outpatients (M/F 60/63; mean age=48±15) during a Major Depressive Episode (MDE) were recruited. Most of them were affected by “difficult to treat” depression, that includes patients with history of at least two MDE, risk of chronicization and who did not achieve remission in previous treatments. The psychopathological status was assessed using HAM-D, HAM-A, DRRS for psychomotor retardation and SHAPS for anhedonia. HAM-D was repeated at 3 months. A blood sample was collected to determine total plasma Mg levels. Results: we observed an association between Mg levels and psychomotor retardation scores (p = 0.045). Moreover, subjects with residual symptoms after treatment (HAM-D at 3 months > 15) have lower starting Mg values compared to treatment-responsive individuals (2.14±0.2 vs. 2.25±0.21, p=0,039). Conclusions: Conflicting data on plasma Mg levels in depression could be due to the isolation of brain Mg compartments from blood Mg compartments. As in a previous study, the association between high Mg levels and psychomotor retardation found in this larger sample strengthens the notion that high Mg levels play a part in the hypoactivity so often observed in depressed patients. Also, low Mg values in patients with poor treatment outcome suggest Mg could have a therapeutic potential in “difficult-to-treat” patients.
Lingua originaleEnglish
pagine (da-a)614-614
Numero di pagine1
RivistaEuropean Psychiatry
Stato di pubblicazionePubblicato - 2011
EventoEuropean Congress of Psychiatry EPA 2011 12 – 15 Marzo 2011 Vienna - Austria - Vienna
Durata: 12 mar 201115 mar 2011

Keywords

  • Depression
  • Magnesium

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