Summary
Autistic catatonia is a term used to describe the occurrence of catatonia in autistic people.[1] Catatonia occurs in roughly 10 percent of people diagnosed with an autism spectrum disorder.[2] In addition to the common sign of catatonia (posturing, negativism, mutism, and stupor), autistic people with catatonia are more likely to stim and self-harm.[3]: 60
The DSM-5 lists "with catatonia" as one of the possible specifiers for an autism spectrum disorder diagnosis.[3]: 57
Pathology edit
There exists debate over the biological origins of autistic catatonia. Some studies have suggested that dysfunction of GABA and its receptors are primary causes for autistic catatonia.[2] Also, neuroimaging studies have indicated that autistic catatonic patients have abnormally small cerebellar structures.[2] Furthermore, genetic studies have implied that alterations on chromosome 15 may underpin the disease.[2]
Alternatively, catatonia has been frequently observed in patients with severe anxiety.[2] Because autism can cause individuals to be susceptible to anxiety, the prevalence of catatonia in autism may be attributable to anxiety.[2]
Symptoms edit
Autistic catatonia is associated with more than 40 symptoms, many in common with autism.[citation needed]
The most severe cases display stupor, hyperactivity, or severe excitement, which can sometimes continue for weeks or even months.[4] During excitement, individuals show combativeness, can have delusions and hallucinations, and can also pose a danger to themselves and others.[citation needed] In the medium, severe, and lethal states, they will also experience autonomic instability.[5]
Symptoms overlap with autism spectrum disorder. Thus, diagnosis of catatonic breakdown can be difficult.[5] Childhood schizophrenia increases the risk for autistic catatonia later in life dramatically. Also, it seems that the processes that give rise to psychosis, catatonia, and autism are similar.[6][7]
Treatment edit
There exists great diversity in treatments for autistic catatonia. The psycho-ecological approach considers the individual's profile of autism, identifies the underlying causes behind their catatonia, and formulates support strategies. These strategies vary depending on the individual and their difficulties.[8]
It has also been shown that benzodiazapines are effective for some patients.[9] More recently, electroconvulsive therapy (ECT) has been trialed, with mixed effect.[9] Several patients have responded well to intensive, multi-month ECT regimens after other treatments failed.[9] Furthermore, ECT was successfully used to treat symptoms in patients prone to self-injury and compulsive behavior.[9] However, it seems that ECT must be continued for long periods of time to prevent re-onset of autistic catatonic symptoms.[9] Furthermore, there is popular resistance to the idea of inducing seizures as treatment - which ECT relies on - especially in pediatric patients.[9]
History edit
Karl Ludwig Kahlbaum was among the first to systematically describe catatonia, which in 1874 he documented as a separate brain disorder.[9] The phenomenon was later described by Emil Kraepelin as a precursor disease that led to dementia.[9] It was not until the 1970s that catatonia was recognized as a feature of other affective psychiatric disorders in adults, especially manias.[9]
References edit
- ^ Moore, Shavon; Amatya, Debha N.; Chu, Michael M.; Besterman, Aaron D. (2022). "Catatonia in autism and other neurodevelopmental disabilities: a state-of-the-art review". npj Mental Health Research. 1: 12. doi:10.1038/s44184-022-00012-9. PMC 10955936.
- ^ a b c d e f Vaquerizo-Serrano, J.; Pablo, G. Salazar De; Singh, J.; Santosh, P. (2022). "Catatonia in autism spectrum disorders: A systematic review and meta-analysis". European Psychiatry. 65 (1): e4, 1–10. doi:10.1192/j.eurpsy.2021.2259. PMC 8792870. PMID 34906264.
- ^ a b American Psychiatric Association (2022). Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision. Washington, DC: American Psychiatric Association. doi:10.1176/appi.books.9780890425787. ISBN 978-0-89042-575-6. S2CID 249488050.
- ^ Wijemanne, Subhashie; Jankovic, Joseph (2015-08-01). "Movement disorders in catatonia". Journal of Neurology, Neurosurgery & Psychiatry. 86 (8): 825–832. doi:10.1136/jnnp-2014-309098. ISSN 0022-3050. PMID 25411548. S2CID 5925700.
- ^ a b Wilcox, James Allen; Reid Duffy, Pam (2015-12-09). "The Syndrome of Catatonia". Behavioral Sciences. 5 (4): 576–588. doi:10.3390/bs5040576. ISSN 2076-328X. PMC 4695780. PMID 26690229.
- ^ Shorter, E.; Wachtel, L. E. (2013). "Childhood catatonia, autism and psychosis past and present: is there an 'iron triangle'?". Acta Psychiatrica Scandinavica. 128 (1): 21–33. doi:10.1111/acps.12082. PMC 3714300. PMID 23350770.
- ^ Dhossche, Dirk Marcel; Carroll, Brendan T.; Carroll, Tressa D. (2006). "Is There a Common Neuronal Basis for Autism and Catatonia?". In Dhossche, Dirk Marcel; Wing, Lorna; Ohta, Masataka; et al. (eds.). Catatonia in Autism Spectrum Disorders. International Review of Neurobiology. Vol. 72. pp. 151–64. doi:10.1016/S0074-7742(05)72009-2. ISBN 978-0-12-366873-8. PMID 16697296.
- ^ Shah, Amitta Catatonia, Shutdown and Breakdown in Autism: A Psycho-Ecological Approach. Jessica Kingsley Publishers, 2019, p. 97.
- ^ a b c d e f g h i Dhossche, Dirk M.; Reti, Irving M.; Wachtel, Lee E. (March 2009). "Catatonia and Autism". The Journal of ECT. 25 (1): 19–22. doi:10.1097/yct.0b013e3181957363. ISSN 1095-0680. PMID 19190507.
Further reading edit
- Dhossche, Dirk M. (2014). "Decalogue of Catatonia in Autism Spectrum Disorders". Frontiers in Psychiatry. 5: 157. doi:10.3389/fpsyt.2014.00157. PMC 4222130. PMID 25414675.
- Ghaziuddin, M.; Quinlan, P.; Ghaziuddin, N. (2005). "Catatonia in autism: a distinct subtype?" (PDF). Journal of Intellectual Disability Research. 49 (1): 102–5. doi:10.1111/j.1365-2788.2005.00666.x. hdl:2027.42/71765. PMID 15634317.