Comparison of the effect of chest compression during exhalation with physiotherapy by vibration and percussion methods on weaning index in mechanically ventilated patients

Comparison of the effect of chest compression during exhalation with physical therapy using vibration and percussion methods on isolation indices in patients under mechanical ventilation.

Eligible patients admitted to the special wards of Ayatollah Kashani Hospital, who are under mechanical ventilation for 48 hours. The sample size is 30 people in each group and 60 people in total.

Ayatollah Kashani Hospital and in 1401

Inclusion Having an age range of 18 to 70 years Having a tracheal tube No injuries (rib fracture, lung contusion) and chest tube Not undergoing chest surgery Connecting to a ventilator for 48 hours Failure to receive intratracheal suction within one hour before each procedure The mode of ventilator for patients is CPAP Exit : Receiving muscle paralyzing drugs Change in mechanical ventilation device settings

The first group is subjected to suction without chest compression during exhalation and 3 hours later under suction with chest compression. During exhalation, the researcher applies unilateral pressure in the lower 1/3 of the chest using his hands, and at the end of each exhalation, the pressure is removed from the affected areas of the patient, and the airway secretions are suctioned for each of the studied units at a distance of 3 hours from each other. The day is done. Intervention group 2: First, they are subjected to suction without percussion and vibration physiotherapy, and 3 hours later, they are subjected to suction with percussion and vibration physiotherapy. Vital signs, rapid shallow breathing before the interventions, 5 and 25 minutes after the interventions are recorded in each group, and then the data are compared for both groups.

Indicators of isolation from mechanical ventilation

Participants were randomly allocated to either an intervention or a control group. Accordingly, a list of participants’ names was created and their names were numbered from one to sixty. Then, a random allocation software was used to randomly allocate numbers 1–60 to two groups. The fourth author independently generated allocation sequence and concealed it so that participants, statistical analyst, and the second and the third authors were blind to the sequence. For this purpose, we make our list of Participants and assign each participant a number. Again, we used a random number generator to place each participant in one of the two groups. The following steps were taken to select samples: 1. Preparing a list of all the Participants were enrolled from the databases of these hospitals; 2. A list of all Participants was prepared initially, and then each member was marked with a specific number (Assigned a sequential number to each Participants (1,2,3…60)). 3. Sample size was calculated at 32 according to the following criteria: (Ζ1- α/2 =1.96, α= 0.05, β= 0.1, σ= 6 and d= 5). 4. The samples were randomly selected by the random number generator software (the participants generated randomly without human interference). However, 30 Participants were recruited to each group (30 Participants ) to increase the study power. The fourth author independently generated the allocation sequence and concealed it, so that the participants, the statistical analysts, and the third author were blind to the sequence.

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