Cancer prevalence is increased in females with sleep apnoea: data from the ESADA study

There is growing, but debatable evidence for the potential association between obstructive sleep apnoea (OSA) and cancer [1–10]. Available studies have reached contradictory conclusions due to limited sample sizes, and poor characterisation of OSA phenotypes or type of malignancies (all types [1–4] or site specific [6–8]). Several hypotheses have been formulated proposing why carcinogenesis can occur in the context of OSA, including older age, sleep deprivation [11, 12] and concomitant obesity [13]. Intermittent hypoxia and sleep fragmentation may play a significant role via alterations in angiogenesis, sympathetic outflow, or modulation of immune function and tumour microenvironment [11, 12]. Gender-specific differences in the association between OSA and cancer prevalence have been poorly studied.
Source: European Respiratory Journal - Category: Respiratory Medicine Authors: Tags: Original Articles: Research letters Source Type: research