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Genetic, host, and environmental interactions in a 19 year old with severe chronic obstructive lung disease;

Horiana B Grosu1, Jonathan Killam, Elvina Khusainova

  • 1Division of Pulmonary Critical Care and Sleep Medicine, Department of Radiology, St Luke's Roosevelt Hospital Center, New York, NY 10019, USA.

International Journal of Chronic Obstructive Pulmonary Disease
|July 14, 2012
PubMed

Insights

Severe chronic obstructive pulmonary disease (COPD) in a 19-year-old resulted from genetic, host, and environmental factors. Alpha-1 antitrypsin deficiency and diaphragmatic hernia contributed to early-onset lung disease.

Area of Science:

  • Pulmonology
  • Genetics
  • Pediatric Medicine

Background:

  • Chronic obstructive pulmonary disease (COPD) is typically diagnosed in older adults.
  • Genetic factors, such as alpha-1 antitrypsin deficiency, are known contributors to COPD.
  • Congenital conditions can influence lung development and disease susceptibility.

Observation:

  • A case study of a 19-year-old male presenting with severe COPD.
  • The patient had a history of diaphragmatic hernia and severe alpha-1 antitrypsin deficiency.
  • The patient experienced significant lung injury under high oxidative and inflammatory conditions.

Findings:

  • Interactions between genetic (alpha-1 antitrypsin deficiency), host (diaphragmatic hernia), and environmental (oxidative stress, lung injury) factors precipitated severe COPD.
  • Absence of functional alpha-1 antitrypsin created a pro-elastolytic environment during lung development.
  • This led to severe hyperinflation and premature airflow obstruction.

Implications:

  • Highlights the potential for early-onset COPD in individuals with specific genetic and congenital predispositions.
  • Emphasizes the complex interplay of factors contributing to severe lung disease.
  • Suggests the importance of early diagnosis and management of alpha-1 antitrypsin deficiency and related conditions.

Keywords:
Swyer James Macleod syndromealpha-1 antitrypsin deficiencybronchopulmonary dysplasiachronic obstructive pulmonary disease

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