Skip to article
Astra

Developmental-Behavioral Pediatrics

Down Syndrome

Clinical care in Down syndrome requires structured surveillance for congenital heart disease and evolving multisystem complications, plus a deliberate adult-life transition plan that recognizes the high risk of Alzheimer disease and changing care needs.

Clinical question: How should physicians prioritize longitudinal medical surveillance and escalation for children and adults with Down syndrome?

New diagnosis

Prioritize cardiac characterization and organized health supervision

The first management decision is whether an unrecognized congenital lesion or associated condition requires immediate specialty-directed care.

Arrange echocardiography at birth after confirmation of Down syndrome and route abnormal findings to pediatric cardiology for lesion-specific follow-up. Congenital heart disease is reported in approximately 35% to 50% of individuals with trisomy 21; CDC reports heart defects in 50% to 65% of affected newborns, with some lesions requiring surgery and others potentially improving with growth.AHA JournalsTrisomy 21 and Congenital Heart Disease: Impact on ...CDCLiving with Down Syndrome | Birth Defects | CDC

Place the patient into a longitudinal Down syndrome health-supervision pathway rather than episodic problem-based follow-up. American Academy of Pediatrics guidance is intended to direct care after diagnosis is confirmed, and an integrated electronic health-record approach can improve adherence to surveillance recommendations.publications aapHealth Supervision for Children With Down Syndromepublications aapUse of Electronic Health Record Integration for Down ...

At each transition of care, confirm that cardiac findings, audiology and ophthalmology results, thyroid history, gastrointestinal symptoms, neurologic events, sleep or breathing concerns, and cervical-spine symptoms have been explicitly reviewed. Hearing and vision problems, gastrointestinal conditions, epilepsy, hypothyroidism, and atlantoaxial instability are recurring clinically relevant associations.ScienceDirectOrthopaedic Management in Down SyndromeScienceDirectThe disability-training needs of healthcare professionalspublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILY

Initial priorities after confirmed Down syndrome diagnosis.AHA JournalsTrisomy 21 and Congenital Heart Disease: Impact on ...WileyTen‐year impact of a Down syndrome pediatric clinicpublications aapHealth Supervision for Children With Down SyndromeCDCLiving with Down Syndrome | Birth Defects | CDC
Decision domainActionClinical consequence
Congenital heart diseaseObtain echocardiogram at birth; establish cardiology follow-up for any identified lesion.WileyTen‐year impact of a Down syndrome pediatric clinicCDCLiving with Down Syndrome | Birth Defects | CDCCardiac defects are common and some require operative treatment.CDCLiving with Down Syndrome | Birth Defects | CDC
Longitudinal careImplement structured Down syndrome health supervision and track completion of recommended care.publications aapHealth Supervision for Children With Down Syndromepublications aapUse of Electronic Health Record Integration for Down ...Reduces missed preventive and symptom-triggered evaluations.WileyAn Evaluation of the Impact of Genetic Counseling ...publications aapUse of Electronic Health Record Integration for Down ...
Family planningProvide genetic counseling as part of diagnosis-related care planning.WileyAn Evaluation of the Impact of Genetic Counseling ...Supports informed family decision-making and continuity of care.WileyAn Evaluation of the Impact of Genetic Counseling ...

Clinical reassessment

Use new symptoms to identify treatable associated conditions

New functional or behavioral change should trigger a targeted medical review rather than attribution to baseline disability.

When a child has developmental regression, reduced participation, gait change, pain behavior, altered sleep, new feeding difficulty, or unexplained behavioral change, reassess for hearing loss, visual impairment, hypothyroidism, gastrointestinal disease, epilepsy, and cervical-spine pathology. These conditions are recognized co-occurring problems in Down syndrome and can alter function independently of cognitive baseline.ScienceDirectOrthopaedic Management in Down SyndromeScienceDirectThe disability-training needs of healthcare professionalsWileyCo‐Occurring Medical Conditions in Over 2300 Children ...publications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILY

Use focused history and examination to determine the next referral. Neck symptoms or neurologic findings warrant careful assessment for atlantoaxial instability; orthopedic clinicians may also identify systemic contributors such as hypothyroidism while evaluating musculoskeletal complaints.ScienceDirectOrthopaedic Management in Down Syndromepublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILY

Escalate persistent gastrointestinal symptoms toward evaluation for celiac disease rather than treating nonspecific symptoms indefinitely. AAP-linked Down syndrome management materials specifically identify symptoms potentially related to celiac disease as a trigger for clinical assessment.publications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILY

Treat sensory concerns as medical contributors to communication, learning, and apparent behavioral decline. Because hearing and vision problems are prevalent in this population, a change in function should prompt review of the most recent formal assessments and completion of indicated specialty evaluation.ScienceDirectThe disability-training needs of healthcare professionalspublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILY

Symptom-directed reassessment in Down syndrome.ScienceDirectOrthopaedic Management in Down SyndromeScienceDirectThe disability-training needs of healthcare professionalspublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILY
Clinical changeAssociated condition to considerNext action
Neck symptoms, gait change, or neurologic findingsAtlantoaxial instability.ScienceDirectOrthopaedic Management in Down Syndromepublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILYPerform careful neurologic and cervical assessment and pursue orthopedic or spine-directed evaluation.ScienceDirectOrthopaedic Management in Down Syndromepublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILY
Fatigue, functional slowing, or musculoskeletal presentationHypothyroidism.ScienceDirectOrthopaedic Management in Down SyndromeOrder thyroid evaluation and treat confirmed disease according to standard endocrine care.
Persistent gastrointestinal symptomsCeliac disease.publications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILYInitiate celiac-focused diagnostic evaluation.
Communication or functional declineHearing loss or vision impairment.ScienceDirectThe disability-training needs of healthcare professionalspublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILYReview formal sensory testing and refer for audiologic or ophthalmologic assessment.

Procedural care

Plan sedation and surgery as higher-variability care

Preprocedural planning should address comorbid organ disease and variable perioperative physiology.

Before sedation, anesthesia, or major surgery, obtain a current cardiac history and review respiratory status, prior anesthetic records, medications, bleeding history, and anticipated postoperative support needs. Down syndrome has been associated with unpredictable and potentially serious perioperative respiratory, coagulation, drug-metabolism, and delayed-healing complications.NatureDown Syndrome Reduces the Sedative Effect of ...

Do not assume that a standard sedative response applies. A clinical study reported reduced sedative effect in patients with Down syndrome, while emphasizing variable and serious perioperative complications; anesthesia dosing and monitoring should therefore be individualized by the procedural and anesthesia teams.NatureDown Syndrome Reduces the Sedative Effect of ...

For procedures requiring neck positioning or airway manipulation, communicate any cervical-spine symptoms, prior atlantoaxial concerns, and neurologic findings to anesthesia and procedural teams. Cervical-spine assessment is particularly relevant when symptoms suggest atlantoaxial instability.ScienceDirectOrthopaedic Management in Down Syndromepublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILY

Perioperative decision points in Down syndrome.NatureDown Syndrome Reduces the Sedative Effect of ...AHA JournalsTrisomy 21 and Congenital Heart Disease: Impact on ...ScienceDirectOrthopaedic Management in Down Syndromepublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILY
Preprocedure issueRequired reviewPlanning implication
Congenital heart diseaseEchocardiographic diagnosis and current cardiology plan.AHA JournalsTrisomy 21 and Congenital Heart Disease: Impact on ...WileyTen‐year impact of a Down syndrome pediatric clinicCoordinate procedure timing and monitoring with cardiac risk in mind.
Sedative response and respiratory riskPrior anesthetic record, respiratory history, and planned sedative approach.NatureDown Syndrome Reduces the Sedative Effect of ...Use individualized dosing and monitoring rather than fixed assumptions about sedative effect.NatureDown Syndrome Reduces the Sedative Effect of ...
Cervical-spine concernNeck symptoms and neurologic examination.ScienceDirectOrthopaedic Management in Down Syndromepublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILYCommunicate positioning and airway-related considerations to the procedural team.

Adult medicine

Establish cognitive baselines and investigate decline for Alzheimer disease

Longer survival makes adult surveillance, function tracking, and dementia evaluation central components of care.

Establish a documented adult baseline for cognition, adaptive function, behavior, mobility, communication, and caregiver-observed daily performance. Adults with Down syndrome have increased Alzheimer disease risk because chromosome 21 triplication includes genes implicated in Alzheimer disease biology.WileyIncreased choroidal thickness in adults with Down syndromeWileyExploratory analysis of the proteomic profile in plasma in ...

A progressive decline from baseline should prompt evaluation for Alzheimer disease while also revisiting reversible contributors that are common in Down syndrome, including sensory impairment, hypothyroidism, epilepsy, gastrointestinal disease, and cervical-spine pathology when clinically suggested.ScienceDirectOrthopaedic Management in Down SyndromeScienceDirectThe disability-training needs of healthcare professionalspublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILY

Counsel families that Alzheimer disease pathology becomes increasingly relevant with age: reports note that most individuals with Down syndrome develop Alzheimer disease pathology by age 40, and population-level Alzheimer reporting identifies Down syndrome as a high-risk group for symptomatic dementia.Wiley2024 Alzheimer's disease facts and figuresWileyAlzheimer's disease diagnostic progression is associated with ...WileyCalcineurin inhibition may prevent Alzheimer disease in ... This risk supports proactive functional surveillance rather than waiting for advanced dependence.

Integrate cognitive assessment with medical transition planning. Life expectancy for people with Down syndrome has increased substantially over recent decades, expanding the need for adult primary care, congenital cardiology continuity when applicable, and longitudinal caregiver support.Wiley2026 Alzheimer's disease facts and figuresCDCLiving with Down Syndrome | Birth Defects | CDCWiley2025 Alzheimer's disease facts and figures

Approach to adult functional decline in Down syndrome.ScienceDirectOrthopaedic Management in Down SyndromeScienceDirectThe disability-training needs of healthcare professionalsWileyIncreased choroidal thickness in adults with Down syndromeWileyExploratory analysis of the proteomic profile in plasma in ...Wiley2024 Alzheimer's disease facts and figurespublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILYWileyAlzheimer's disease diagnostic progression is associated with ...
FindingInterpretationNext step
Stable lifelong intellectual disability without functional changeDoes not establish dementia.Maintain a documented functional baseline for future comparison.
Progressive loss of previously acquired functionRaises concern for Alzheimer disease but has a broad medical differential.WileyIncreased choroidal thickness in adults with Down syndromeWileyExploratory analysis of the proteomic profile in plasma in ...Wiley2024 Alzheimer's disease facts and figuresWileyAlzheimer's disease diagnostic progression is associated with ...Assess cognition and function; evaluate for sensory, endocrine, neurologic, gastrointestinal, and cervical-spine contributors suggested by symptoms.ScienceDirectOrthopaedic Management in Down SyndromeScienceDirectThe disability-training needs of healthcare professionalspublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILY
New gait, neck, or focal neurologic symptomsMay indicate cervical-spine pathology rather than primary dementia.ScienceDirectOrthopaedic Management in Down Syndromepublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILYPerform focused neurologic and cervical evaluation and refer appropriately.ScienceDirectOrthopaedic Management in Down Syndromepublications aapDOWN SYNDROME: MANAGING THE CHILD AND FAMILY

References

  1. Down Syndrome Reduces the Sedative Effect of ...www.nature.com · www.nature.com
  2. Trisomy 21 and Congenital Heart Disease: Impact on ...www.ahajournals.org · www.ahajournals.org
  3. Orthopaedic Management in Down Syndromewww.sciencedirect.com · www.sciencedirect.com
  4. The disability-training needs of healthcare professionalswww.sciencedirect.com · www.sciencedirect.com
  5. Down Syndrome - an overviewwww.sciencedirect.com · www.sciencedirect.com
  6. Population‐based trends in prenatal screening and diagnosis ...obgyn.onlinelibrary.wiley.com · obgyn.onlinelibrary.wiley.com
  7. Ten‐year impact of a Down syndrome pediatric cliniconlinelibrary.wiley.com · onlinelibrary.wiley.com
  8. Co‐Occurring Medical Conditions in Over 2300 Children ...onlinelibrary.wiley.com · onlinelibrary.wiley.com
  9. An Evaluation of the Impact of Genetic Counseling ...onlinelibrary.wiley.com · onlinelibrary.wiley.com
  10. Increased choroidal thickness in adults with Down syndromealz-journals.onlinelibrary.wiley.com · alz-journals.onlinelibrary.wiley.com
  11. Exploratory analysis of the proteomic profile in plasma in ...alz-journals.onlinelibrary.wiley.com · alz-journals.onlinelibrary.wiley.com
  12. 2024 Alzheimer's disease facts and figuresalz-journals.onlinelibrary.wiley.com · alz-journals.onlinelibrary.wiley.com
  13. 2026 Alzheimer's disease facts and figuresalz-journals.onlinelibrary.wiley.com · alz-journals.onlinelibrary.wiley.com
  14. Index | The Oxford Handbook of Adult Cognitive Disordersacademic.oup.com · academic.oup.com
  15. Health Supervision for Children With 22q11.2 Deletion ...publications.aap.org · publications.aap.org
  16. Health Supervision for Children With Down Syndromepublications.aap.org · publications.aap.org
  17. DOWN SYNDROME: MANAGING THE CHILD AND FAMILYpublications.aap.org · publications.aap.org
  18. Use of Electronic Health Record Integration for Down ...publications.aap.org · publications.aap.org
  19. Living with Down Syndrome | Birth Defects | CDCwww.cdc.gov · www.cdc.gov
  20. 2025 Alzheimer's disease facts and figuresalz-journals.onlinelibrary.wiley.com · alz-journals.onlinelibrary.wiley.com
  21. Perspectives on Alzheimer's disease clinical trials for persons ...alz-journals.onlinelibrary.wiley.com · alz-journals.onlinelibrary.wiley.com
  22. Factors impacting survival in individuals with Down syndrome ...alz-journals.onlinelibrary.wiley.com · alz-journals.onlinelibrary.wiley.com
  23. Alzheimer's disease diagnostic progression is associated with ...alz-journals.onlinelibrary.wiley.com · alz-journals.onlinelibrary.wiley.com
  24. Calcineurin inhibition may prevent Alzheimer disease in ...alz-journals.onlinelibrary.wiley.com · alz-journals.onlinelibrary.wiley.com