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PubMed This is a summary of 8 peer-reviewed journal articles Updated
Pediatric Neurology

Medical Management and Daily Care

At a Glance

Medical management for Miller-Dieker syndrome focuses on supportive care to maximize your child's comfort. Key priorities include managing intractable seizures, preventing lung infections from silent aspiration through specialized feeding support, and coordinating a multidisciplinary specialist team.

While there is currently no cure for Miller-Dieker Syndrome (MDS), medical management focuses on supportive care—a proactive approach to managing symptoms, preventing complications, and ensuring your child is as comfortable as possible [1]. Because MDS affects multiple systems, care is best handled by a multidisciplinary team of specialists.

Managing Seizures (Epilepsy)

Most children with MDS develop intractable epilepsy, meaning seizures that are difficult to control with standard medications [2].

  • Infantile Spasms: These require urgent, specific therapies. Standard first-line treatments include ACTH (adrenocorticotropic hormone) injections, high-dose oral corticosteroids, or a medication called vigabatrin [3].
  • Ongoing Seizure Management: Neurologists may try various anti-seizure medications. Some studies have shown that perampanel can be an effective adjunctive (add-on) treatment for seizures in children with lissencephaly [4].
  • Dietary Therapies: When medications fail, doctors frequently utilize specialized diets, such as the Ketogenic diet, to help control intractable epilepsy [5].
  • The Goal: The aim is not always total seizure freedom, which can be difficult to achieve, but rather reducing seizure frequency and severity to improve the child’s quality of life [3].

Feeding and Respiratory Health

Feeding difficulties are common due to poor muscle tone (hypotonia) and a lack of coordination in the muscles used for swallowing.

  • Silent Aspiration: This is the most significant risk to respiratory health. It occurs when food or liquid enters the lungs without causing obvious coughing or choking. Over time, this leads to recurrent pneumonia and lung damage [1].
  • Swallow Studies: A videofluoroscopic swallow study (VFSS) is critical to visualize how your child swallows and to determine if they are aspirating.
  • Feeding Support: If swallowing is unsafe, a feeding tube (such as a G-tube) may be recommended to ensure adequate nutrition and protect the lungs [1].

Systemic Screenings

Because MDS involves the loss of multiple genes, other organs besides the brain may be affected:

  • Cardiac Evaluation: Children should have a baseline echocardiogram to screen for congenital heart defects that are common in MDS, such as atrial septal defects (ASD), ventricular septal defects (VSD), or patent ductus arteriosus (PDA) [6].
  • Vision and Hearing: Regular screenings are recommended, as ocular (eye) involvement can occur in lissencephaly syndromes [7].

Early Intervention and Daily Therapies

Beyond doctors and medical specialists, daily therapeutic support is vital for maximizing your child’s comfort and function:

  • Physical Therapy (PT) and Occupational Therapy (OT): These therapies focus on managing poor muscle tone (hypotonia) and preventing joint stiffness. PT and OT can provide practical ways to position, hold, and move your child to keep them comfortable [1].
  • Early Intervention: Accessing state or local early intervention programs provides your family with ongoing, home-based developmental support.

Surgery and Anesthesia Precautions

If your child requires surgery, specialized pediatric anesthesia is essential. Children with MDS face two primary risks during procedures:

  1. Difficult Airway: Physical features like a small jaw (micrognathia) can make it challenging for anesthesiologists to place breathing tubes. Tools like videolaryngoscopy (using a camera to see the airway) should be readily available [8][2].
  2. Seizure Stability: The stress of surgery and certain anesthetic drugs can trigger seizures. A plan must be in place to maintain seizure medications throughout the perioperative period [8].

Your Child’s Care Team

Managing MDS requires a “village” of specialists. Your team will likely include:

  • Pediatric Neurologist: For seizure and neurodevelopmental management.
  • Geneticist / Genetic Counselor: To explain the 17p13.3 deletion and recurrence risks.
  • Gastroenterologist (GI): To manage feeding and nutrition.
  • Cardiologist: To monitor heart health.
  • Pulmonologist: To manage respiratory health and aspiration risks.
  • Complex Care/Palliative Care: These teams often act as coordinators, helping you manage appointments and focusing on your child’s overall comfort and your family’s goals of care [1].

Common questions in this guide

How are intractable seizures managed in Miller-Dieker syndrome?
Neurologists manage intractable seizures using various anti-seizure medications, such as ACTH or vigabatrin for infantile spasms. If standard medications are ineffective, specialized dietary therapies like the ketogenic diet may be introduced to help reduce seizure frequency and severity.
Why does my child need a swallow study for Miller-Dieker syndrome?
Children with MDS often have low muscle tone that causes swallowing difficulties. A swallow study checks for silent aspiration, which happens when food or liquid enters the lungs unnoticed, significantly increasing the risk of recurrent pneumonia and lung damage.
What are the anesthesia risks during surgery for a child with MDS?
Children with Miller-Dieker syndrome often have physical features like a small jaw that can make placing a breathing tube difficult. They also face a higher risk of seizures triggered by the stress of surgery and anesthesia, requiring a specialized pediatric anesthesia plan.
Which specialists should be on a Miller-Dieker syndrome care team?
Your child's care requires a multidisciplinary team that typically includes a pediatric neurologist, geneticist, gastroenterologist, cardiologist, and pulmonologist. Complex care or palliative care specialists often act as the central hub to coordinate appointments and focus on your child's comfort.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.What is the plan for managing my child's 'intractable' seizures if the first few medications don't work?
  2. 2.Can we schedule a formal swallow study to check for silent aspiration?
  3. 3.Has my child been screened for common congenital heart defects with an echocardiogram?
  4. 4.If my child needs surgery, what precautions are in place for their airway and seizure management?
  5. 5.Which specialist will be the 'hub' or main coordinator for my child's multidisciplinary care team?

Questions For You

Tap a prompt to share your answer — we'll use it plus this page's context to start a tailored conversation.

References

References (8)
  1. 1

    Lissencephaly: Update on diagnostics and clinical management.

    Koenig M, Dobyns WB, Di Donato N

    European journal of paediatric neurology : EJPN : official journal of the European Paediatric Neurology Society 2021; (35()):147-152 doi:10.1016/j.ejpn.2021.09.013.

    PMID: 34731701
  2. 2

    Management of general anesthesia in a child with Miller-Dieker syndrome: a case report.

    Wakiguchi C, Godai K, Mukaihara K, et al.

    JA clinical reports 2015; (1(1)):14 doi:10.1186/s40981-015-0017-2.

    PMID: 29497646
  3. 3

    Spectrum and time course of epilepsy and the associated cognitive decline in MECP2 duplication syndrome.

    Marafi D, Suter B, Schultz R, et al.

    Neurology 2019; (92(2)):e108-e114 doi:10.1212/WNL.0000000000006742.

    PMID: 30552298
  4. 4

    Perampanel in lissencephaly-associated epilepsy.

    Ikemoto S, Hamano SI, Hirata Y, et al.

    Epilepsy & behavior case reports 2019; (11()):67-69 doi:10.1016/j.ebcr.2019.01.001.

    PMID: 30723672
  5. 5

    Lissencephaly in an epilepsy cohort: Molecular, radiological and clinical aspects.

    Kolbjer S, Martin DA, Pettersson M, et al.

    European journal of paediatric neurology : EJPN : official journal of the European Paediatric Neurology Society 2021; (30()):71-81 doi:10.1016/j.ejpn.2020.12.011.

    PMID: 33453472
  6. 6

    Acute Bowel Ischemia in a Premature Neonate with Miller-Dieker Syndrome and Anomalous Right Coronary Artery From the Pulmonary Artery.

    Cera AJ, Mokha S, Sunderji S, et al.

    Pediatric annals 2023; (52(8)):e283-e291 doi:10.3928/19382359-20230613-02.

    PMID: 37561828
  7. 7

    Case Report of Proliferative Peripheral Retinopathy in Two Familial Lissencephaly Infants with Miller-Dieker Syndrome.

    Shoukfeh O, Richards AB, Prouty LA, et al.

    Journal of pediatric genetics 2018; (7(2)):86-91 doi:10.1055/s-0037-1612638.

    PMID: 29707411
  8. 8

    Anesthetic Management and Bispectral Index in a Child with Miller-Dieker Syndrome: A Case Report.

    Park SJ, Baek J, Chun S, Choi EK

    Children (Basel, Switzerland) 2023; (10(4)) doi:10.3390/children10040631.

    PMID: 37189880

This page provides general educational information about medical management for Miller-Dieker syndrome. Always consult your child's pediatrician or multidisciplinary care team for medical advice tailored to their specific needs.

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