Management

Management
The following is a pragmatic clinical approach, not a validated PRPF8-specific surveillance protocol. Care should address the person's actual findings rather than assume that every reported feature will occur.

Special attention should be given to:
●    Development: assess communication, motor and adaptive skills, and arrange early intervention, speech pathology, occupational therapy, physiotherapy and educational support according to need
●    Behaviour, sleep and feeding concerns, evaluated clinically
●    Growth, nutrition and neurological examination
●    Cardiac assessment: consider a baseline echocardiogram if not previously performed, given reported structural cardiac abnormalities
●    Brain imaging and EEG, guided by neurological findings or suspected seizures rather than ordered routinely
●    Poor growth, delayed puberty, bone symptoms or urinary abnormalities, investigated when present

A baseline ophthalmology assessment should be obtained. This should include visual acuity and refraction, ocular alignment and examination of the retina, with intraocular pressure and optic nerve assessment as appropriate to age, cooperation, family history and the variant identified.

For established RP13, arrange inherited-retinal-disease follow-up, visual function assessment and appropriate retinal imaging and electrophysiology; offer low-vision support and treat ocular complications. Follow-up intervals, including any subsequent glaucoma testing, should be set by the ophthalmologist.

The isolated endocrine report and the renal preprint do not establish a need for universal repeated biochemical or renal screening.

There is currently no curative treatment.

Genetic Counselling
PRPF8-related neurodevelopmental disorder and RP13 both follow autosomal dominant inheritance.

If the pathogenic variant occurred de novoin the patient, the recurrence risk in subsequent pregnancies of the parents is low, although higher than in the general population because of the theoretical possibility of parental germline mosaicism. Prenatal diagnosis is possible if requested.

A person with a dominant pathogenic variant in PRPF8has a 50% risk of transmitting it in each pregnancy.

Review the exact variant, the laboratory classification and parental results before counselling, and arrange reassessment as evidence evolves.