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The Effect of Acupressure Application on Respiratory Performance and Pain Levels in Adult Patients Undergoing Cardiac Surgery

2026년 8월 14일 업데이트: Ruhat Tilki, Fenerbahce University

The Effect of Acupressure Application on Respiratory Performance and Pain Levels in Adult Patients Undergoing Cardiac Surgery: A Randomized Controlled Trial

The purpose of this randomized controlled trial is to evaluate the effect of acupressure on respiratory performance and pain levels in adult patients who have undergone open-heart surgery. Pulmonary complications and severe pain are common after cardiac surgery, often limiting the effectiveness of standard deep breathing exercises such as incentive spirometry. This study investigates whether applying acupressure-a non-invasive complementary therapy-can help manage postoperative pain and improve respiratory capacity. By potentially reducing pain without the respiratory side effects associated with pharmacological medications, acupressure may enable patients to perform their breathing exercises more effectively and support their overall recovery.

연구 개요

상세 설명

Cardiovascular diseases remain a major global health burden. While open-heart surgery is a vital treatment for many cardiac conditions, it is characterized by a high risk of complications and a long recovery period. Postoperative pulmonary complications, including hypoxemia, pneumonia, atelectasis, and respiratory failure, are prevalent among these patients. To prevent these issues and restore lung expansion, the regular use of an incentive spirometer is a standard and essential component of nursing care in the cardiovascular surgical intensive care unit.

However, severe postoperative pain restricts patients' ability to take deep breaths, which significantly reduces the effectiveness of incentive spirometry and increases the risk of lung complications. Furthermore, pharmacological agents commonly used for pain management can cause adverse effects like respiratory depression. This has directed nursing practice toward non-pharmacological, complementary symptom management strategies.

Acupressure is a non-invasive complementary therapy rooted in traditional medicine, involving the application of physical pressure to specific acupoints. Current literature indicates that stimulating specific points, such as LU7 (Lieque) and PC6 (Neiguan), can regulate autonomic nervous system activities, increase parasympathetic tone, and improve overall respiratory function. Although its potential in general symptom management is recognized, clinical evidence regarding the direct impact of acupressure on respiratory performance in post-cardiac surgery intensive care patients remains highly limited. This study aims to address this gap by determining the physiological and clinical effects of acupressure on both pain levels and respiratory capacity in this specific patient population.

연구 유형

중재적

등록 (추정된)

114

단계

  • 해당 없음

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 연락처

연구 연락처 백업

  • 이름: Ayda Kebapçı, Assc. Prof.
  • 전화번호: +90 536 858 91 14
  • 이메일: akebapci@ku.edu:tr

연구 장소

    • Sancaktepe
      • Istanbul, Sancaktepe, 터키 (Türkiye), 34785
        • Şehit Prof. Dr. İlhan Varank Sancaktepe Eğitim ve Araştırma Hastanesi
        • 연락하다:

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

  • 성인
  • 고령자

건강한 자원 봉사자를 받아들입니다

아니

설명

Inclusion Criteria:

  • Aged 18 years and older.
  • Undergoing cardiac surgery for the first time.
  • Extubated and hemodynamically stable in the postoperative period.
  • A Glasgow Coma Scale (GCS) score of 15.
  • Absence of arterial or venous catheters, incisions, hematomas, ecchymoses, or any skin lesions/deformities at the acupressure application sites.
  • No analgesic medication administered within the last four hours.
  • No known neuromuscular diseases that could affect respiratory muscle strength or performance.
  • Ability to speak Turkish and absence of any communication barriers.

Exclusion Criteria:

  • Development of postoperative complications (e.g., severe arrhythmia, need for re-intubation, active bleeding).
  • Receiving sedation in the intensive care unit.
  • Presence of chronic pain syndrome or regular use of opioids/analgesics.
  • Known psychiatric disorders.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 지지 요법
  • 할당: 무작위
  • 중재 모델: 병렬 할당
  • 마스킹: 하나의

무기와 개입

참가자 그룹 / 팔
개입 / 치료
실험적: Acupressure Group
Acupressure will be applied to the LI4 (Hegu) (on the dorsum of the hand, between the 1st and 2nd metacarpal bones), LU7 (Lieque) (on the radial side of the forearm, approximately 3.75 cm [1.5 cun] above the wrist crease), and PC6 (Neiguan) (on the palmar aspect of the forearm, approximately 5 cm [2 cun] above the wrist crease) acupoints (Appendix-4), which are reported in the literature to positively affect pain and the respiratory system. The intervention will be performed by a researcher holding an acupressure certification. Using the thumb, index finger, or middle finger, pressure will be applied to the identified LI4, LU7, and PC6 points to a depth of 1 to 1.5 cm for 10 seconds. After a 2-second release, the pressure will be continued for 2 minutes (Düzel et al., 2023; Vanzini et al., 2021; Narimani et al., 2018).
Acupressure will be applied to the LI4 (Hegu) (on the dorsum of the hand, between the 1st and 2nd metacarpal bones), LU7 (Lieque) (on the radial side of the forearm, approximately 3.75 cm [1.5 cun] above the wrist crease), and PC6 (Neiguan) (on the palmar aspect of the forearm, approximately 5 cm [2 cun] above the wrist crease) acupoints (Appendix-4), which are reported in the literature to positively affect pain and the respiratory system. The intervention will be performed by a researcher holding an acupressure certification. Using the thumb, index finger, or middle finger, pressure will be applied to the identified LI4, LU7, and PC6 points to a depth of 1 to 1.5 cm for 10 seconds. After a 2-second release, the pressure will be continued for 2 minutes (Düzel et al., 2023; Vanzini et al., 2021; Narimani et al., 2018).

The study will use a triflow device, which consists of three separate chambers and a breathing tube with a mouthpiece. The chambers contain colored balls corresponding to flow volumes of 600, 900, and 1200 mL/sec, respectively. An inspiratory flow of 600 mL/sec raises the ball in the first chamber, an inspiratory flow of 900 mL/sec raises the ball in the second chamber, and an inspiratory flow of 1200 mL/sec raises the ball in the third chamber (Amin et al., 2021).

To measure inspiratory flow rate and volume, patients will be instructed to seal their lips tightly around the triflow mouthpiece, ensuring no gaps remain. Patients will be asked to take a deep and slow breath to raise the balls. Subsequently, to measure expiratory flow rate and volume, they will be asked to remove the mouthpiece, hold their breath for 3 to 5 seconds, and then exhale normally (Gökçe et al., 2025).

가짜 비교기: Placebo Acupressure Group
In the placebo acupressure group, all procedural steps will be performed in the exact same manner as in the true acupressure group. However, very light pressure will be applied to sham areas located 1.5 cm away from the LI4, LU7, and PC6 acupoints that do not fall on any meridian. Using the thumb, index finger, or middle finger, this very light pressure will be applied to each point for 10 seconds, followed by a 2-second rest, continuing for 2 minutes per point. The application will be performed bilaterally and will take an average of 15 minutes. Following the procedure, a 20-minute resting period will be provided.

The study will use a triflow device, which consists of three separate chambers and a breathing tube with a mouthpiece. The chambers contain colored balls corresponding to flow volumes of 600, 900, and 1200 mL/sec, respectively. An inspiratory flow of 600 mL/sec raises the ball in the first chamber, an inspiratory flow of 900 mL/sec raises the ball in the second chamber, and an inspiratory flow of 1200 mL/sec raises the ball in the third chamber (Amin et al., 2021).

To measure inspiratory flow rate and volume, patients will be instructed to seal their lips tightly around the triflow mouthpiece, ensuring no gaps remain. Patients will be asked to take a deep and slow breath to raise the balls. Subsequently, to measure expiratory flow rate and volume, they will be asked to remove the mouthpiece, hold their breath for 3 to 5 seconds, and then exhale normally (Gökçe et al., 2025).

In the placebo acupressure group, all procedural steps will be performed in the exact same manner as in the true acupressure group. However, very light pressure will be applied to sham areas located 1.5 cm away from the LI4, LU7, and PC6 acupoints that do not fall on any meridian. Using the thumb, index finger, or middle finger, this very light pressure will be applied to each point for 10 seconds, followed by a 2-second rest, continuing for 2 minutes per point. The application will be performed bilaterally and will take an average of 15 minutes. Following the procedure, a 20-minute resting period will be provided.
활성 비교기: control group
Patients in this group will receive only standard postoperative nursing care and routine incentive spirometry exercises.

The study will use a triflow device, which consists of three separate chambers and a breathing tube with a mouthpiece. The chambers contain colored balls corresponding to flow volumes of 600, 900, and 1200 mL/sec, respectively. An inspiratory flow of 600 mL/sec raises the ball in the first chamber, an inspiratory flow of 900 mL/sec raises the ball in the second chamber, and an inspiratory flow of 1200 mL/sec raises the ball in the third chamber (Amin et al., 2021).

To measure inspiratory flow rate and volume, patients will be instructed to seal their lips tightly around the triflow mouthpiece, ensuring no gaps remain. Patients will be asked to take a deep and slow breath to raise the balls. Subsequently, to measure expiratory flow rate and volume, they will be asked to remove the mouthpiece, hold their breath for 3 to 5 seconds, and then exhale normally (Gökçe et al., 2025).

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Inspiratory and Expiratory Airflow Volume and Rate
기간: Evaluated before and immediately after the intervention (acupressure, placebo acupressure, or standard triflow exercise).
Airflow rate (mL/sec) and volume (mL) will be measured using a three-chamber incentive spirometer (triflow). The average of the three highest values obtained during five inspirations and five expirations will be recorded.
Evaluated before and immediately after the intervention (acupressure, placebo acupressure, or standard triflow exercise).
Postoperative Pain Severity
기간: Evaluated before and immediately after the intervention.
Pain severity will be assessed using the Visual Analog Scale (VAS) ranging from 0 (no pain) to 10 (most severe pain).
Evaluated before and immediately after the intervention.

2차 결과 측정

결과 측정
측정값 설명
기간
State and Trait Anxiety Levels
기간: State and Trait anxiety is evaluated right before and 20 minutes after the intervention.
Anxiety will be assessed using the State-Trait Anxiety Inventory (STAI), which consists of 40 items on a 4-point Likert scale. Scores range from 20 to 80, with higher scores indicating higher anxiety levels.
State and Trait anxiety is evaluated right before and 20 minutes after the intervention.
Chest Tube Removal Time
기간: Up to hospital discharge, an average of 7 days.
The duration from the end of the surgical procedure until the removal of the chest tube. This outcome will be measured and reported in hours.
Up to hospital discharge, an average of 7 days.

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

수사관

  • 수석 연구원: Ayda Kebapçı, Assc. Prof., Koc University

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (추정된)

2026년 9월 21일

기본 완료 (추정된)

2027년 9월 21일

연구 완료 (추정된)

2027년 9월 21일

연구 등록 날짜

최초 제출

2026년 8월 11일

QC 기준을 충족하는 최초 제출

2026년 8월 14일

처음 게시됨 (실제)

2026년 8월 18일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 8월 18일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 8월 14일

마지막으로 확인됨

2026년 8월 1일

추가 정보

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개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

예

IPD 계획 설명

De-identified individual participant data that underlie the results reported in the published article will be shared.

IPD 공유 기간

Data will be available beginning 6 months and ending 36 months following article publication.

IPD 공유 액세스 기준

Data will be shared with researchers who provide a methodologically sound proposal for secondary analyses. Requests should be directed to the central contact person via email.

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