TENS for Anxiety, Pain, and Satisfaction After Laparoscopic Cholecystectomy
NCT ID: NCT07307703
Last Updated: 2025-12-29
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
NA
80 participants
INTERVENTIONAL
2025-12-01
2026-09-30
Brief Summary
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The main goals of the study are to determine if TENS can:
Reduce surgical anxiety before and during the procedure
Decrease postoperative pain after surgery
Improve overall patient satisfaction with their surgical experience
Patients who participate will receive standard surgical care, and some will also receive TENS therapy. Outcomes will be measured using patient questionnaires and clinical assessments during the hospital stay and follow-up period.
By comparing patients who receive TENS with those who do not, the study aims to provide evidence on whether this simple technique can enhance comfort and recovery after gallbladder surgery.
Detailed Description
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Opioids remain the cornerstone of postoperative pain management, but they are associated with adverse effects such as sedation, nausea, respiratory depression, and opioid-induced hyperalgesia. In addition, long-term problematic opioid use has been reported in 6-8% of patients after surgery. Therefore, non-pharmacological alternatives for postoperative pain relief are urgently needed.
Transcutaneous Electrical Nerve Stimulation (TENS) is a non-invasive intervention that delivers electrical currents through electrodes placed on intact skin. Evidence from systematic reviews and meta-analyses suggests that TENS is effective and safe for managing both acute and chronic pain, with minimal side effects and low cost. Patients may experience mild tingling or discomfort, and rarely skin irritation.
Despite promising data, few studies have evaluated the combined effects of TENS on surgical anxiety, postoperative pain, and patient satisfaction in laparoscopic cholecystectomy. Most prior research has focused only on pain outcomes, neglecting psychological dimensions and patient-centered measures. This study aims to fill that gap by assessing whether TENS can reduce perioperative anxiety, improve pain control, and enhance satisfaction with surgical care.
This randomized controlled trial will be conducted at Adana City Training and Research Hospital between October 2025 and October 2026. Eligible patients undergoing elective laparoscopic cholecystectomy will be randomized into two groups: a TENS intervention group and a control group receiving standard care. The sample size was determined by power analysis, requiring 40 participants per group (total n=80).
Data collection will include:
Personal Information Form (demographics and baseline characteristics)
Visual Analog Scale (VAS) for pain intensity
Surgery-Specific Anxiety Scale (validated Turkish instrument)
Newcastle Satisfaction with Nursing Care Scale (validated Turkish version)
Exclusion criteria include emergency cholecystectomy, conversion to open surgery, presence of pacemakers or implanted devices, uncontrolled epilepsy, chronic opioid use, severe psychiatric or cognitive disorders, dermatological contraindications, or concurrent participation in another clinical trial.
The primary outcomes are surgical anxiety, postoperative pain, and patient satisfaction. Secondary outcomes include recovery parameters and adverse events.
Hypotheses:
Null hypothesis (H0): TENS has no effect on surgical anxiety, postoperative pain, or patient satisfaction in laparoscopic cholecystectomy.
Alternative hypothesis (H1): TENS reduces surgical anxiety and postoperative pain while increasing patient satisfaction.
Conditions
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Keywords
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Study Design
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RANDOMIZED
PARALLEL
Intervention group: Patients will receive Transcutaneous Electrical Nerve Stimulation (TENS) in addition to standard perioperative care.
Control group: Patients will receive standard perioperative care without TENS.
TREATMENT
NONE
Study Groups
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Arm 1 TENS Group
Participants in this arm will receive Transcutaneous Electrical Nerve Stimulation (TENS) in addition to standard perioperative care for laparoscopic cholecystectomy. TENS will be applied using surface electrodes placed on intact skin before and after surgery. The stimulation parameters will follow established clinical guidelines to ensure safety and effectiveness. Outcomes assessed include surgical anxiety, postoperative pain intensity, and patient satisfaction.
Transcutaneous Electrical Nerve Stimulation (TENS)
Transcutaneous Electrical Nerve Stimulation (TENS) is a non-invasive device-based intervention that delivers mild electrical currents through electrodes placed on intact skin. In this study, TENS will be applied perioperatively to patients undergoing laparoscopic cholecystectomy. The stimulation sessions will be conducted before and after surgery, following standardized clinical parameters to ensure safety and reproducibility. The intervention is designed to evaluate its effects on surgical anxiety, postoperative pain intensity, and patient satisfaction compared with standard care.
Control Group
Participants in this arm will receive standard perioperative care for laparoscopic cholecystectomy without Transcutaneous Electrical Nerve Stimulation (TENS). Usual surgical and nursing protocols will be followed according to hospital standards. Outcomes assessed include surgical anxiety, postoperative pain intensity, and patient satisfaction, which will be compared with the intervention group to evaluate the added effect of TENS.
No interventions assigned to this group
Interventions
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Transcutaneous Electrical Nerve Stimulation (TENS)
Transcutaneous Electrical Nerve Stimulation (TENS) is a non-invasive device-based intervention that delivers mild electrical currents through electrodes placed on intact skin. In this study, TENS will be applied perioperatively to patients undergoing laparoscopic cholecystectomy. The stimulation sessions will be conducted before and after surgery, following standardized clinical parameters to ensure safety and reproducibility. The intervention is designed to evaluate its effects on surgical anxiety, postoperative pain intensity, and patient satisfaction compared with standard care.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
ASA (American Society of Anesthesiologists) physical status classification I-II
Ability to understand the study procedures and provide written informed consent
No contraindications to TENS application (e.g., intact skin at electrode placement sites)
Willingness to comply with perioperative assessments (pain, anxiety, satisfaction scales)
Exclusion Criteria
Presence of cardiac pacemaker or other implanted electrical devices
History of epilepsy, severe neuropathy, or psychiatric disorders affecting pain/anxiety perception
Skin lesions, infections, or dermatological conditions at electrode placement sites
Use of analgesics, anxiolytics, or sedatives beyond standard perioperative protocols
Emergency cholecystectomy or conversion to open surgery
Pregnant or breastfeeding women
Patients unwilling or unable to provide informed consent
18 Years
ALL
No
Sponsors
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Nigde Omer Halisdemir University
OTHER
Responsible Party
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Abdurrahman Acar
Research Assistant, Faculty of Health Sciences, Niğde Ömer Halisdemir University
Locations
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Adana City Hospital
Niğde, Adana, Turkey (Türkiye)
Countries
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Central Contacts
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Kezban Koraş SÖZEN, Associate Professor
Role: CONTACT
Phone: +90, 0543 805 62 09
Email: [email protected]
Abdurrahman ACAR, Research Assistant
Role: CONTACT
Phone: +90, 0541 529 89 30
Email: [email protected]
Facility Contacts
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Abdurrahman acar
Role: primary
Kezban Koraş SÖZEN, Associate Professor
Role: backup
Other Identifiers
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22504254-050.04Cholecystectomy
Identifier Type: -
Identifier Source: org_study_id