Periodic Catatonia

Periodic Catatonia: a Case Report

The clinical description of periodic catatonia is well documented by the earliest exponents of psychiatry. Gjessing (1935) carried out extensive metabolic and clinical studies in cases of periodic catatonia. He reported diphasic course of nitrogen metabolism associated with periodic mental changes and described 3 types of syntonic synchronous (S.S.) periodic catatonias, Type A, B and C. (Gjessi...

Periodic catatonia. Challenging diagnosis for psychiatrists.

Periodic catatonia (PC) is a rare type of catatonia syndrome, in which the catatonic phases often repeat regularly. Between the catatonic periods, the symptoms totally disappear and make the diagnosis difficult. We report a case with PC who did not show any catatonic symptoms except anxiety and restlessness in his first referral to the hospital. Although it was reported that he showed the sympt...

A Critical Review: Somatic Research in Periodic Catatonia.

Periodic catatonia with long-term treatment: a case report

BACKGROUND Periodic catatonia has long been a challenging diagnosis and there are no absolute guidelines for treatment when precipitating factors are also unclear. We report a schizophrenia patient with periodic catatonia with a 15-year treatment course. A possible correlation between decreased daylight exposure and periodic attacks has been observed. CASE PRESENTATION We describe a 49-year-o...

Mechanism of Catatonia Clinical Features of Catatonia

The concept of catatonia was first described by Kahlbaum (1874). Catatonic stupor is one of the most dramatic psychiatric presentations, but is becoming increasingly rare in the Western world. However, it has been suggested that catatonia is under-recognised and under-diagnosed (Van der Heijden et al, 2005). Although the introduction of antipsychotics has reduced the incidence of catatonia, it ...