NCT07586436

Brief Summary

This randomized controlled trial aims to evaluate the effects of stress ball use and breathing exercises on procedural pain and vital signs during drain removal in patients undergoing total knee arthroplasty. Although drain removal is a short procedure, it is often associated with sudden and intense pain and may trigger physiological stress responses such as increased heart rate, blood pressure, and respiratory rate. A total of 105 patients will be randomly assigned to three groups: stress ball group, breathing exercise group, and standard care group. The interventions will be applied starting one minute before drain removal, continuing throughout the procedure, and for two minutes afterward. Pain levels will be assessed using the Numeric Rating Scale (NRS), and vital signs (heart rate, blood pressure, respiratory rate, and oxygen saturation) will be measured at predefined time points before, during, and after the procedure. The findings of this study are expected to provide evidence on the effectiveness of simple, non-pharmacological interventions in reducing procedural pain and improving physiological stability during drain removal

Trial Health

65
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
105

participants targeted

Target at P50-P75 for not_applicable

Timeline
3mo left

Started May 2026

Shorter than P25 for not_applicable

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress16%
May 2026Aug 2026

First Submitted

Initial submission to the registry

May 3, 2026

Completed
2 days until next milestone

Study Start

First participant enrolled

May 5, 2026

Completed
9 days until next milestone

First Posted

Study publicly available on registry

May 14, 2026

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 30, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 30, 2026

Last Updated

May 14, 2026

Status Verified

May 1, 2026

Enrollment Period

4 months

First QC Date

May 3, 2026

Last Update Submit

May 8, 2026

Conditions

Keywords

Total Knee ArthroplastypainVital Signs

Outcome Measures

Primary Outcomes (5)

  • Pain Intensity (Numeric Rating Scale, NRS

    Pain intensity will be assessed using the Numeric Rating Scale (NRS, 0-10), where 0 indicates no pain and 10 indicates the worst possible pain. Pain levels will be recorded during and after drain removal.

    Baseline, immediately after drain removal, 15 minutes, and 30 minutes after the procedur

  • Heart Rate

    Heart rate (beats per minute) will be measured to assess physiological response to pain during drain removal.

    Baseline, immediately after drain removal, 15 minutes, and 30 minutes after the procedur

  • Blood Pressure

    Systolic and diastolic blood pressure (mmHg) will be measured to evaluate physiological stress response.

    Baseline, immediately after drain removal, 15 minutes, and 30 minutes after the procedur

  • Oxygen Saturation

    Peripheral oxygen saturation (%) will be measured using a pulse oximeter.

    Baseline, immediately after drain removal, 15 minutes, and 30 minutes after the procedur

  • Respiratory Rate

    Respiratory rate (breaths per minute) will be recorded.

    Baseline, immediately after drain removal, 15 minutes, and 30 minutes after the procedur

Study Arms (3)

Stress Ball Group

ACTIVE COMPARATOR

Patients use a stress ball during drain removal

Behavioral: 1. Stress Ball Intervention Description

Breathing Exercise Group

ACTIVE COMPARATOR

Patients perform breathing exercises during drain remo

Behavioral: 2. Breathing Exercise Intervention Description

Control Group

PLACEBO COMPARATOR

Patients receive standard care during drain removal.

Behavioral: 3. Control Group Description

Interventions

Participants will receive standard care, including routine information about the drain removal procedure, without any additional intervention such as stress ball use or breathing exercises.

Control Group

Participants will be provided with a medium-resistance stress ball and instructed to rhythmically squeeze and release it starting one minute before drain removal, continuing throughout the procedure, and for two minutes after the procedure. A brief explanation will be given prior to the intervention.

Stress Ball Group

Participants will be instructed in diaphragmatic breathing techniques before the procedure. They will begin deep breathing one minute before drain removal, continue throughout the procedure, and for two minutes afterward. The technique includes slow inhalation through the nose, holding the breath for a few seconds, and slow exhalation through the mouth.

Breathing Exercise Group

Eligibility Criteria

Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Adults aged 18 years and older undergoing primary total knee arthroplasty
  • Patients with a surgical drain in place and scheduled for drain removal in the postoperative period
  • Able to provide informed consent
  • Able to communicate and understand instructions

You may not qualify if:

  • Patients with chronic pain syndromes or regular opioid use
  • Patients with cognitive impairment, delirium, or communication difficulties
  • Patients with contraindications to drain removal (e.g., active bleeding, hemodynamic instability)
  • Patients with neurological conditions affecting pain perception

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (4)

  • 17. Ataman Yıldız G, Çınar F, Kadiroğulları E, Eti Aslan F. The effect of applications on pain after open and closed heart surgery: Descriptive research. Turkiye Klinikleri J Cardiovasc Sci. 2024;36(1):1-10.

    RESULT
  • Bahar A, Yardimci I. Effect of breathing exercises applied before chest tube removal on pain and anxiety levels: descriptive and correlational research. Psychol Health Med. 2025 Dec;30(10):2388-2398. doi: 10.1080/13548506.2025.2519221. Epub 2025 Jun 25.

  • Genc H, Korkmaz M, Akkurt A. The Effect of Virtual Reality Glasses and Stress Balls on Pain and Vital Findings During Transrectal Prostate Biopsy: A Randomized Controlled Trial. J Perianesth Nurs. 2022 Jun;37(3):344-350. doi: 10.1016/j.jopan.2021.09.006. Epub 2022 Apr 7.

  • 1. Kuzuca BC, Güçlü B. Total diz artroplastisi öncesi planlama. TOTBİD Dergisi. 2021;20:507-514.

    RESULT

MeSH Terms

Conditions

Pain

Condition Hierarchy (Ancestors)

Neurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Central Study Contacts

HÜMEYRA YÜKSEL, Ph.D

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Ph.D

Study Record Dates

First Submitted

May 3, 2026

First Posted

May 14, 2026

Study Start

May 5, 2026

Primary Completion (Estimated)

August 30, 2026

Study Completion (Estimated)

August 30, 2026

Last Updated

May 14, 2026

Record last verified: 2026-05