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Arthrogryposis multiplex congenita-whistling face syndrome is an extremely rare type of arthrogryposis multiplex congenita characterized by the combination of multiple joint contractures with movement limitation, microstomia with a whistling appearance of the mouth that may cause feeding, swallowing, and speech difficulties, a distinctive expressionless facies, severe developmental delay, central and autonomous nervous system dysfunction (excessive salivation, temperature instability, myoclonic epileptic fits, bradycardia), occasionally Pierre-Robin sequence, and lethality generally occurring during the first months of life. Arthrogryposis multiplex congenita-whistling face syndrome has been suggested to be a fetal akinesia deformation sequence.
Features include: Calcinosis, Bradycardia, Excessive salivation, and Nervous system problems (abnormality of the nervous system) and 5 more.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Heart and blood vessels | 1 | Bradycardia |
Brain and nerves |
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for arthrogryposis multiplex congenita-whistling face syndrome.
8 publications have been identified in PubMed for arthrogryposis multiplex congenita-whistling face syndrome. Research spans Case Report / Case Series (50%), Review / Meta-Analysis (25%), and Basic Science / Preclinical (13%).
Parra-Díaz P (2025). [PMID: 40048676](https://pubmed.ncbi.nlm.nih.gov/40048676/). *Neurology*. [Basic Science / Preclinical]
Henriksen JN (2025). [PMID: 40070362](https://pubmed.ncbi.nlm.nih.gov/40070362/). *Basic & clinical pharmacology & toxicology*. [Epidemiology / Natural History]
Kidwai SM (2025). [PMID: 41480702](https://pubmed.ncbi.nlm.nih.gov/41480702/). *Prague medical report*. [Case Report / Case Series]
Poling MI (2025). [PMID: 39776776](https://pubmed.ncbi.nlm.nih.gov/39776776/). *Clinical case reports*. [Case Report / Case Series]
Illés A (2024). [PMID: 39062310](https://pubmed.ncbi.nlm.nih.gov/39062310/). *Children (Basel, Switzerland)*. [Review / Meta-Analysis]
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 5:36 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
1 |
Nervous system problems (abnormality of the nervous system) |
Muscles | 1 | Joint stiffness present at birth (arthrogryposis multiplex congenita) |
Lungs and breathing | 1 | Apnea |
Yoshida K (2024). [PMID: 39835054](https://pubmed.ncbi.nlm.nih.gov/39835054/). *Cureus*. [Case Report / Case Series]
Morali B (2024). [PMID: 38856159](https://pubmed.ncbi.nlm.nih.gov/38856159/). *Clinical genetics*. [Case Report / Case Series]
Bukvic N (2024). [PMID: 39062605](https://pubmed.ncbi.nlm.nih.gov/39062605/). *Genes*. [Review / Meta-Analysis]