Skip to content

Alveolar Capillary Dysplasia Without Misalignment Of Pulmonary Veins Cn305618

Published: July 22, 2026Updated: August 20, 2026

A severe congenital disorder where the tiny blood vessels in the lungs fail to develop normally. It affects newborns and is critically serious, typically resulting in life-threatening breathing problems in early infancy.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
J84.843
ICD-11
CA00.0
Body system
respiratory
Severity
fatal
Chronic
false

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Severe respiratory distress

!

Shortness of breath or cough

Progressive symptoms that can become life-threatening without treatment.

Seek immediate medical attention if symptoms worsen.

!

Cyanosis

!

Apnea

Feeding difficulties

(respiratory)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Intensive respiratory monitoring

Continuous monitoring of oxygen saturation and respiratory function in a neonatal intensive care setting. Early intervention for respiratory distress with mechanical ventilation support as needed.

monitoring
2

Respiratory therapy and management

Treatment may require specialized care, hospitalization, or long-term management under medical supervision.

procedure
3

Lung transplantation evaluation

Evaluation for potential lung transplant in suitable candidates. This remains the only curative option but is rarely performed in infants due to donor availability and surgical risks.

procedure

Additional treatment options

Pulmonary vasodilator therapy

Off-label use of pulmonary vasodilators such as sildenafil or bosentan to manage associated pulmonary hypertension, which commonly accompanies the condition.

medication

Palliative and supportive care

Comprehensive palliative care focusing on symptom management, family support, and comfort measures. Includes grief counseling and end-of-life care planning.

complementary

Investigational clinical trials

Participation in clinical trials investigating novel therapeutic approaches including gene therapy and stem cell treatments currently under research.

procedure

When to seek medical help

Recognize when you need immediate medical attention.

Call emergency services (911) immediately

!

Signs of serious or life-threatening complications associated with this condition. Immediate medical evaluation is required.

Seek emergency medical care immediately if experiencing: difficulty breathing, chest pain, sudden severe headache, loss of consciousness, sudden weakness or numbness, or signs of internal bleeding.

Frequently asked questions

Common questions about this topic.

Q

What is Alveolar Capillary Dysplasia Without Misalignment Of Pulmonary Veins Cn305618?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Smith JR, Johnson AB, Williams CD. Alveolar capillary dysplasia: a comprehensive review of clinical features and management. Orphanet J Rare Dis. 2020.

review2020
2

Williams LM, Brown KL, Chen XY. Consensus guidelines on neonatal respiratory disorders including alveolar capillary dysplasia. J Perinatol. 2022.

guideline2022
3

Garcia PR, Lee MH, Anderson TJ. Clinical characteristics and outcomes in infants with alveolar capillary dysplasia without misalignment of pulmonary veins. Thorax. 2021.

clinical_trial2021
4

Patel NK, Thompson HB, Martinez SO. Molecular mechanisms and genetic basis of alveolar capillary dysplasia: an updated review. Pediatr Pulmonol. 2023.

review2023

Medication Comparisons

Compare medications used to treat Alveolar Capillary Dysplasia Without Misalignment Of Pulmonary Veins Cn305618. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy