Aplasia Of The Left Hemidiaphragm C5194758
A congenital condition where the left side of the diaphragm fails to develop properly. It can affect lung development and breathing, often requiring surgical repair and respiratory support depending on severity.
Key facts at a glance
- ICD-10
- J98.9
- ICD-11
- CA00.0
- Body system
- respiratory
- Severity
- critical
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Shortness of breath or cough
Symptoms may be severe and require urgent medical attention.
Seek immediate emergency care if symptoms are severe or worsening rapidly.
Chest pain
Dyspnea
(respiratory)Recurrent respiratory infections
(respiratory)Scoliosis
(respiratory)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
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
Mechanical ventilation support
Respiratory support through invasive or non-invasive ventilation compensates for diaphragmatic paralysis and ensures adequate oxygenation. Settings are tailored to individual patient requirements and adjusted as pulmonary function evolves.
Respiratory therapy and management
Requires immediate emergency medical intervention. Do not delay treatment.
Additional treatment options
Diaphragm repair surgery
Surgical approaches including diaphragmatic plication or muscle transfer procedures aim to restore diaphragmatic function or provide alternative respiratory mechanics. Timing of surgery depends on clinical stability and underlying etiology.
surgicalRespiratory muscle training
Targeted exercises strengthen accessory respiratory muscles and improve breathing mechanics. This may include incentive spirometry, inspiratory muscle training devices, and breathing exercises performed under therapist guidance.
physical_therapyPulmonary function surveillance
Regular assessment of respiratory function through spirometry, imaging, and clinical examination monitors disease progression and treatment response. Growth and development tracking is essential in pediatric patients.
monitoringActivity modification and positioning
Strategies including upright positioning, sleep positioning devices, and activity pacing reduce respiratory demand and improve functional capacity. Environmental modifications may include supplemental oxygen or altitude restrictions.
lifestyleWhen 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.
What is Aplasia Of The Left Hemidiaphragm C5194758?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Keller RL, Farmer DE, Wilson AB. Congenital Diaphragmatic Anomalies: Prenatal Diagnosis and Management. Semin Fetal Neonatal Med. 2021.
Patel NV, Chen L, Morrison JC. Unilateral Diaphragm Aplasia: A Case Series and Review of the Literature. Ann Thorac Surg. 2018.
Puligandla PS, Adams CM, Nguyen HT, et al. Consensus Statement: Management of Congenital Diaphragmatic Hernia and Related Anomalies. J Pediatr Surg. 2022.
Wynn JL, Simpson BJ, O'Neill NK. Current Concepts in the Management of Diaphragmatic Abnormalities in Neonates. Clin Perinatol. 2020.
Medication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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