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Recurrent stridor in an infant

Ngu CYV, Saniasiaya J, Kulasegarah J

BMJ Case Rep, 2021 Sep 07;14(9).
PMID: 34493558 DOI: 10.1136/bcr-2021-244012

Paediatric upper airway obstruction is an emergency that requires immediate intervention. Among the myriad factors that leads to upper airway obstruction in paediatric age group, bilateral vocal cord palsy is not commonly encountered in clinical practice. The underlying cause of bilateral vocal cord palsy requires thorough investigation prior to deciding on the appropriate intervention. Herein, we report a 4-month-old baby boy who presented with recurrent inspiratory stridor with bilateral vocal cord palsy secondary to Arnold Chiari II malformation. Immediate intervention to drain the hydrocephalous resulted in complete resolution of stridor without having to perform a tracheostomy. We highlight the importance of meticulous and thorough investigations especially in children, as emergent airway intervention such as tracheostomy may result in detrimental effect to speech, swallowing as well as quality of life.

Matched MeSH terms: Arnold-Chiari Malformation*
Fulltext Giant Occipital Encephalocele with Chiari Malformation Type 3

Kanesen D, Rosman AK, Kandasamy R

J Neurosci Rural Pract, 2018 10 3;9(4):619-621.
PMID: 30271061 DOI: 10.4103/jnrp.jnrp_103_18

Encephaloceles are rare embryological mesenchymal developmental anomalies resulting from inappropriate ossification in the skull through which herniate the intracranial contents of the sac. Occipital encephaloceles are described as giant when they are larger than the head from which they arise, and they pose a great surgical challenge. Herein, we present a case of a giant occipital encephalocele in a neonate with Chiari malformation Type 3 to highlight the problems encountered in its management and the outcome of the surgery.

Matched MeSH terms: Arnold-Chiari Malformation
A minimally invasive endoscopic transnasal approach to the craniovertebral junction in the paediatric population

Tan SH, Ganesan D, Prepageran N, Waran V

Eur Arch Otorhinolaryngol, 2014 Nov;271(11):3101-5.
PMID: 24986428 DOI: 10.1007/s00405-014-3149-5
Matched MeSH terms: Arnold-Chiari Malformation/diagnosis; Arnold-Chiari Malformation/surgery*
The use of magnetic resonance phase-contrast cine in Chiari malformation with syringomyelia

Goh CH, Hamzah MR, Kandasamy R, Ghani ARI, Wong SH, Idris Z, et al.

Med J Malaysia, 2020 11;75(6):666-671.
PMID: 33219175

INTRODUCTION: Chiari malformation (CM) is a disorder of mesodermal origin and is commonly associated with syringomyelia. Foramen magnum decompression is the first-line of standard treatment in symptomatic patients with a confirmed radiographic diagnosis. Magnetic resonance (MR) cine allows accurate evaluation of cerebrospinal fluid (CSF) physiology at the craniovertebral junction but often this is under-utilised in Malaysia.
METHODS: In this series, we looked into nine cases of CM with syringomyelia from clinical and radiological perspective before and after surgery. The radiological parameters were herniated tonsillar length, syrinx: cord ratio, syrinx length and diameter. Flow velocity and morphologic changes in Chiari were illustrated.
RESULTS: Seven patients showed either reduction in syrinx length, syrinx: cord ratio or both postoperatively. Clinical recovery somewhat varied in motor and sensory symptoms. Four patients gained better functional grade in modified Rankin scale (MRS) while the rest remained similar. The study highlighted the advantage of CSF flow dynamics information over MR anatomical radiographic improvement in addressing the neurologic and functional recovery. We also discussed the practicality of cine sequence in preoperative patient selection, syrinx analysis and postoperative flow evaluation in anticipation of clinical outcome.
CONCLUSION: Phase-contrast cine MRI is a useful tool dictated by resource availability. We recommend its routine use in preoperative analysis and subsequent observational follow-up after surgery.

Matched MeSH terms: Arnold-Chiari Malformation