Associated Conditions: Eyes, Bones, and Digestion

While Aicardi syndrome is often first recognized because of seizures, it is a multisystem condition, meaning it can affect several different parts of the body at once. Because the genetic changes that cause the syndrome happen very early in development, they impact how the eyes, the skeleton, and the digestive system form and function ^[1][2]. Early detection of these “non-brain” symptoms is critical because many of them can be managed more effectively if caught before they become severe ^[3][4]. It is important to remember that not every child will develop all of these complications; care is highly individualized.

Eye Health Beyond the Triad

While chorioretinal lacunae (pale spots on the retina) are a hallmark of the syndrome, they are not the only way the eyes may be affected. In fact, eye signs may sometimes appear before any neurological symptoms are noticed ^[5][3].

• Structural Differences: Some children are born with microphthalmia (one or both eyes being abnormally small) or coloboma (a “gap” or hole in the structure of the eye, like the iris or the optic nerve) ^[6][7].
• Retinal Detachment: This is one of the most serious eye risks. In some children, the retina does not have a normal blood supply (peripheral retinal dysplasia), which can lead to scarring or “pulling” that detaches the retina from the back of the eye ^[6][8].
• Vision Monitoring: Because of these risks, children with Aicardi syndrome need regular, individualized checkups with a pediatric ophthalmologist. In some cases, a doctor may recommend an “examination under anesthesia” to get a highly detailed look at the blood vessels in the back of the eye ^[6][9].

The Skeleton and Movement

The same developmental process that affects the brain also affects the bones of the spine and ribs. Some cases show these skeletal “segmentation defects” even before birth ^[2].

• Vertebral Anomalies: This can include hemivertebrae (bones of the spine that are only half-formed/wedge-shaped) or “fused” vertebrae ^[2][10]. These unusual bone shapes can contribute to scoliosis (an S- or C-shaped curve of the spine) ^[11].
• Scoliosis and Contractures: Over time, some children develop significant scoliosis. This is often made more complex by contractures—where muscles or tendons become short and tight, making it difficult to fully straighten the joints ^[11][12].
• Posture Care: Managing these issues often involves posture care, which may include custom-molded wheelchair seating and specific orthoses to support the spine, helping the lungs expand more fully ^[13].

Digestion and Breathing Risks

Aicardi syndrome can sometimes cause dysphagia, which is the medical term for swallowing dysfunction. Because the brain’s control over the swallowing muscles may be underdeveloped, food or liquid can “go down the wrong pipe” ^[14][5].

• Aspiration Pneumonia: When food or saliva enters the lungs instead of the stomach, it is called aspiration. If a child has dysphagia, this is a serious risk factor for pneumonia ^[14][11]. This risk is often “silent,” meaning the child may not cough or choke even when they are aspirating. Swallowing studies (like VFSS) should be individualized based on clinical symptoms.
• Reflux and Breathing: Many children also struggle with Gastroesophageal Reflux Disease (GERD), where stomach acid moves back up into the esophagus ^[15][16]. While reflux medications can treat the acidity, they do not prevent aspiration.
• Sleep Apnea: Because of the brain malformations and potential changes in muscle tone, some children may experience pauses in their breathing while asleep (sleep apnea) ^[17][18]. If suspected, this should be evaluated by clinicians and confirmed with polysomnography, rather than assumed.

By monitoring these systems closely, your care team can intervene appropriately—whether through specialized feeding techniques, reflux treatments, or orthopedic supports—to protect your child’s comfort and long-term health ^[13][4].