nocturnal oxygen therapy trial


Also found in: Acronyms.

noc·tur·nal ox·y·gen ther·a·py tri·al

(NOTT) (nok-tŭr'năl ok'si-jĕn thār'ă-pē trī'ăl)
Assessment used in patients with advanced stages of COPD that compares the effect of oxygen delivered over a 24-hour period with therapy for shorter periods.
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