Q J Med 1988; 68: 637-644
© 1988 Association of Physicians
other |
Prevalence of Nocturnal Hypoxaemia Amongst Men with Mild to Moderate Hypertension
Osler Chest Unit, Churchill Hospital Oxford OX3 7LJ
Address correspondence to Dr Stradling.
Accepted for publication 30 March 1988.
Thirty men (aged 3565) with untreated essential hypertension (BP
140/90), confirmed by 24-h ambulatory monitoring, had overnight recordings of arterial oxygen saturation (S2, O2) in their own homes. The overnight saturation records were compared with those from a group of 30 normotensive control subjects matched for age, height and weight. The groups did not exhibit significant differences in any of the following parameters of overnight oxygenation: median S2O2, lowest Sa, O2 or frequency of 3 or 4 per cent dips in S2, O2. We conclude that essential hypertension is not associated with excessive arterial hypoxaemia such as might be due to a sleep apnoea syndrome.
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