Key result
High altitude exposure above 3000-3500m induces subclinical pulmonary interstitial edema in most climbers, a paraphysiological event that rarely progresses to clinical lung edema.
This debate piece argues that subclinical pulmonary interstitial edema is a common, paraphysiological response to high altitude rather than a purely pathological one.
A great debate has been developed in the last years about the presence of lung interstitial edema in most climbers during the first days at altitudes above 3000-3500m. In this paper we discuss both the functional and imaging evidence of the presence of this phenomen which we suppose to be a "paraphysiological event" evolving in lung edema only in a small percentage of climbers.
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Cogo et al. (2011) studied this question. High altitude exposure above 3000-3500m induces subclinical pulmonary interstitial edema in most climbers, a paraphysiological event that rarely progresses to clinical lung edema.
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