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    The Effect of Comedy Films on Postoperative Pain and Anxiety in Surgical Oncology Patients
    (Karger, 2019) Saritas, Serdar; Genc, Hasan; Okutan, Serafettin; Inci, Ramazan; Ozdemir, Ahmet; Kizilkaya, Gulnaz
    Objectives: To determine the effect of watching Turkish comedy films on postoperative pain and anxiety in oncology surgical patients. Design: This study was conducted using a pre- and post-test randomized controlled trial model. Materials and Methods: The study was conducted in a general surgery clinic of a hospital in eastern Turkey between January 2016 and January 2017. The sample of the study consisted of 88 patients (44 test, 44 control) selected by using the randomized sampling method. In the experimental group, funny videos from Turkish old comedy movies were watched for 10 min before surgery. Anxiety, measured by the State-Trait Anxiety Inventory, and vital signs were measured before and after the experimental protocol. In the analysis of the data, descriptive statistics, chi(2) and t test were used. Results: The state-trait anxiety pre- and post-test mean score of the experimental group was found to be 39.59 +/- 3.66 and 37.54 +/- 3.52 before and after watching the video, respectively, indicating a statistically significant difference between these two values (p <= 0.05). No statistically significant difference was found between the pre- and post-test state-trait anxiety scores of the patients in the control group. The decrease from the pre- to post-test mean pain score was determined as 0.65 +/- 1.05 in the experimental group and 0.11 +/- 0.96 in the control group. A statistically significant difference was found between the groups' post-test mean pain scores (p <= 0.05). Conclusion: The study results suggest that watching Turkish comedy movie videos has a positive effect on postoperative pain and anxiety in surgical oncology patients.
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    The Effect of Laughter Yoga on Depression and Serotonin Levels in Patients Who Underwent Bariatric Surgery
    (Sage Publications Inc, 2026) Kizilkaya, Gulnaz; Ozkan, Meral
    Background: This study aimed to determine the effect of laughter yoga on depression and serotonin levels in patients who underwent bariatric surgery. Material Method: The research was conducted between December 2018 and April 2022 using a quasi-experimental design with a pretest-posttest control group. The study population consisted of 158 patients who underwent bariatric surgery in the General Surgery Department and were between 6 and 24 months postoperation. The sample size was determined using power analysis, resulting in a total of 62 participants. The laughter yoga group participated in 10 sessions. Depression and serotonin levels were measured both before and after the intervention in both the experimental and control groups. Data were analyzed using descriptive statistics (number, percentage, mean, standard deviation), chi-square test, paired samples t-test, and independent samples t-test. Results: In the laughter yoga group, posttest depression levels significantly decreased compared to pretest levels (p > 0.05). Posttest depression levels were also significantly lower in the laughter yoga group compared to the control group (p > 0.05). Although serotonin levels decreased in the laughter yoga group posttest compared to the control group, this difference was not statistically significant (p > 0.05). Conclusion: Laughter yoga was found to be effective in reducing depression in patients following bariatric surgery. While a decrease in serotonin levels was observed, it was not statistically significant.