This is a randomized clinical trial that aims to investigate the effect of therapeutic listening anxiety and preoperative fear of patients hospitalized for surgical treatment of colorectal cancer. Physiological variables will be evaluated (heart rate, blood pressure and respiratory rate), cortisol and salivary amylase and anxiety scores by State-Trait Anxiety Inventory and fear for Surgery Fear Questionnaire. The data of the variables will be compared at two different times (before and after the intervention).
To calculate the sample size was chosen when using numerical scale IDATE. Considering that you want to detect a difference of 10 points (δ) in the range with a significance level of 5% (Z1-α = 1.96), a power of 80% (Z1-β = 1.96). The result obtained was 25 subjects for each group. Information related to variances of control and intervention groups were obtained through the pilot study and a correlation of 0.5 was assumed.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
50
Method of responding to others in order to encourage better communication and clearer understanding of personal concerns.
State-Trait Anxiety Inventory (STAI)
Change in STAI, a questionnaire to assess anxiety levels.
Time frame: Patients will be followed on three occasions during the preoperative period, an average of 24 hours before surgery.
Blood pressure
Change in Blood Pressure (Systolic and diastolic) (Unit: mmHg).
Time frame: Patients will be followed on two occasions during the preoperative period, an average of 24 hours before surgery.
Heart rate
Change in radial pulse (Unit: bpm).
Time frame: Patients will be followed on two occasions during the preoperative period, an average of 24 hours before surgery.
Respiratory rate
Change in thoracic breathing movements (Unit: bpm).
Time frame: Patients will be followed on two occasions during the preoperative period, an average of 24 hours before surgery.
Salivary cortisol
Change in salivary cortisol levels. For the collection of saliva was used Salivette Tube, cotton swab to determine cortisol (Unit: μg/dL).
Time frame: Patients will be followed on four occasions during the preoperative period, an average of 24 hours before surgery.
Salivary amylase
Change in salivary amylase levels. The system for the collection and analysis of salivary amylase comprises a disposable test strip and a portable analyzer, the Cocoro Meter (Unit: KU/L).
Time frame: Patients will be followed on two occasions during the preoperative period, an average of 24 hours before surgery.
Surgical Fear Questionnaire (SFQ)
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Change in SFQ, a questionnaire to assess the levels of fear of surgery.
Time frame: Patients will be followed on two occasions during the preoperative period, an average of 24 hours before surgery.