Related Experiment Videos
Congenital central hypoventilation syndrome.
P G Samdani1, Vinit Samdani, Mahesh Balsekar
1Department of Pedatrics, Sir J.J. Group of Hospitals, Mumbai, India.
Indian Journal of Pediatrics
|November 6, 2007
Summary
Congenital Central Hypoventilation Syndrome (CCHS) is a rare autonomic disorder where breathing is impaired. This case report highlights a likely diagnosis of CCHS, despite limited understanding of its causes.
Area of Science:
- Pediatric Neurology
- Genetics
- Respiratory Medicine
Background:
- Congenital Central Hypoventilation Syndrome (CCHS) is a rare autonomic nervous system disorder characterized by impaired respiratory control.
- The etiology and pathophysiology of CCHS remain largely unknown, with established links to PHOX2B gene mutations and neural crest-related disorders.
Observation:
- This report details a clinical case presenting with symptoms highly suggestive of CCHS.
- The patient exhibited impaired responses to hypoxia and hypercapnia, characteristic of autonomic dysfunction.
Findings:
- The presented case strongly aligns with the diagnostic criteria for CCHS.
- Differential diagnoses were systematically excluded, reinforcing the likelihood of CCHS.
Implications:
- This case contributes to the understanding of CCHS presentation and diagnosis.
- Further research into CCHS etiology and pathophysiology is warranted.
- Early diagnosis and management are crucial for patients with CCHS.
Related Concept Videos
01:30Acute Respiratory Failure-III
Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without causing...
01:25Hyperpnea and Hyperventilation
Hyperventilation refers to a higher-than-normal rate and depth of breathing, often associated with anxiety attacks. This excessive breathing surpasses the body's need to expel CO2, leading to a condition known as hypocapnia - an unusually low level of carbon dioxide in the blood. Hypocapnia can constrict cerebral blood vessels, reducing blood flow to the brain, which may result in dizziness or fainting. Early signs include tingling and muscle spasms in the hands and face, caused by falling...
01:30Alterations in Respiration II
There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients.
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes include...
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes include...
01:21Acute Respiratory Failure-II
Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
01:21Acute Respiratory Failure-I
Acute respiratory failure is a condition characterized by the inability of the lungs to perform their primary function: gas exchange. This failure leads to insufficient oxygen levels (hypoxemia) in the blood, elevated carbon dioxide levels (hypercapnia), or both, causing critical impairment in organ function.
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
01:10Atelectasis II: Pathophysiology
Atelectasis develops when alveoli lose their air and collapse inward. Because lung tissue is naturally elastic, these air sacs shrink rather than remaining open. Collapsed alveoli are no longer ventilated, reducing their role in gas exchange. Blood flow may continue in these regions, creating a ventilation–perfusion mismatch. Clinical findings include decreased breath sounds, dullness to percussion, reduced chest expansion, and decreased tactile fremitus as sound transmission through collapsed...