Pulmonary hypertension (2003 classification)

Pulmonary hypertension (2003 classification)

There are numerous causes of pulmonary hypertension, and thus not surprisingly there have been many classification systems.

In 2003, the 3 World Symposium on PAH met in Venice and produced an updated classification system (this has been further revised in the Dana Point classification of pulmonary hypertension).

  • pulmonary arterial hypertension (PAH)
  • pulmonary hypertension associated with left heart diseases
    • left-sided atrial or ventricular heart disease
    • left-sided valvular heart disease
  • pulmonary hypertension associated with lung respiratory diseases and/or hypoxia
  • pulmonary hypertension due to chronic thrombotic and/or embolic disease
    • thromboembolic obstruction of proximal pulmonary arteries
    • thromboembolic obstruction of distal pulmonary arteries
    • non-thrombotic pulmonary embolism (tumor, parasites, foreign material)
  • miscellaneous
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