Electrocardiographic signs of autonomic imbalance in medicated patients with first-episode schizophrenia spectrum disorders: relations to first treatment discontinuation and five-year remission status

Bodén, Robert,1973-Uppsala universitet,Psykiatri, Akademiska sjukhuset (författare)

Electrocardiographic signs of autonomic imbalance in medicated patients with first-episode schizophrenia spectrum disorders : relations to first treatment discontinuation and five-year remission status

PURPOSE:To explore measures in electrocardiograms (ECG) influenced by autonomic balance in early schizophrenia spectrum disorders and to examine their relation to subsequent first antipsychotic pharmacotherapy discontinuation and five-year remission status.SUBJECTS AND METHODS:Twelve-lead ECGs were recorded at baseline in 58 patients with first-episode schizophrenia spectrum disorders and in 47 healthy controls of similar age. Selected ECG variables included heart rate and measures of repolarization. Pharmacotherapy data were extracted from medical records. At a five-year follow-up the patients were interviewed and assessed with the Positive and Negative Syndrome Scale.RESULTS:Patients had higher heart rate and a different ST-T pattern than the controls. High T-wave amplitudes in the leads aVF and V5 and ST-elevations in V5 were associated both with higher risk of an earlier discontinuation of first antipsychotic pharmacotherapy and with non-remission five years later.DISCUSSION AND CONCLUSION:In this longitudinal cohort study, simple ECG measures influenced by autonomic balance in the early phase of schizophrenia spectrum disorders contained prognostic information. As this is the first report of this association and is based on a relatively small sample, the results should be interpreted with caution.

Lindström, LeifUppsala universitet,Psykiatri, Akademiska sjukhuset(Swepub:uu)leiflind (författare)
Rautaharju, PenttiWake Forest Univ, Dept Epidemiol & Prevent, Div Publ Hlth Sci, Winston Salem, NC 27109 USA (författare)
Sundström, JohanUppsala universitet,Medicin(Swepub:uu)johasund (författare)
Uppsala universitetPsykiatri, Akademiska sjukhuset (creator_code:org_t)

Ingår i:European psychiatry: Cambridge University Press (CUP)27:3, s. 213-2180924-93381778-3585

Av författaren/redakt...: Bodén, Robert, 1 ...; Lindström, Leif; Rautaharju, Pent ...; Sundström, Johan

Om ämnet

MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Klinisk medicin; och Psykiatri

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