Effects of Open and Closed System Suctioning on Suctioning Frequency and Amount of Secretion

Patients will be monitored for two days. On the first day, the patient will be followed up with an open system and the second day closed suctioning system will be used, or the patient will be followed up with a closed system on the first day and followed with an open system on the second day. The patients are randomly allocated on the first follow up days. The follow‐up period has two consecutive days. suctioning will be performed for 12 hours in one day. The number of suctions will be recorded. The amount of secretion will be accumulated in the mucus collection vessel. At the end of the day, the secretion will be weighed with precision weighing.