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SPSIPB Versus SAPB for Postoperative Analgesia After Minimally Invasive Repair of Pectus Excavatum

2026년 7월 6일 업데이트: Ulgen Zengin, Marmara University

Comparison of the Postoperative Analgesic Effects of Serratus Posterior Superior Intercostal Plane Block and Serratus Anterior Plane Block After Minimally Invasive Repair of Pectus Excavatum: A Prospective Observational Cohort Study

This prospective observational cohort study will compare postoperative analgesic outcomes in patients undergoing minimally invasive repair of pectus excavatum. Participants will be grouped according to the regional analgesia technique applied as part of routine clinical care: serratus posterior superior intercostal plane block or serratus anterior plane block. The primary outcome will be total opioid consumption during the first 24 hours after surgery. Secondary outcomes will include postoperative pain scores, rescue analgesic requirement, opioid-related adverse effects, patient satisfaction, mobilization time, and length of hospital stay.

연구 개요

상세 설명

Pectus excavatum is the most common chest wall deformity in pediatric and adolescent patients and is characterized by posterior depression of the sternum and anterior chest wall. Although many patients are asymptomatic, corrective surgery is frequently performed during adolescence or young adulthood for cosmetic reasons and to improve body image and quality of life.

Minimally invasive repair of pectus excavatum involves the placement of a curved metal bar beneath the sternum. The bar is then rotated to elevate the sternum and correct the chest wall deformity. Despite favorable cosmetic and quality-of-life outcomes, postoperative pain remains a major clinical challenge after this procedure. Pain is mainly related to sternal elevation, pressure exerted by the bar, and repositioning of the ribs. Inadequate pain control may increase opioid consumption and prolong hospitalization. Higher opioid exposure may also lead to adverse effects such as nausea, vomiting, constipation, pruritus, and urinary retention.

Regional anesthesia techniques have become important components of multimodal postoperative analgesia in thoracic surgery. Thoracic paravertebral block, erector spinae plane block, and serratus anterior plane block are among the regional techniques commonly used for thoracic analgesia. Serratus anterior plane block has also been used for postoperative pain management after minimally invasive repair of pectus excavatum.

Serratus posterior superior intercostal plane block is a recently described ultrasound-guided interfascial plane block. The technique involves injection of local anesthetic between the serratus posterior superior muscle and the rib, usually at the level of the second or third rib. This block has been reported to provide analgesia in various thoracic and scapular pain conditions and has shown promising results in thoracic surgery.

The aim of this study is to compare the postoperative analgesic outcomes of serratus posterior superior intercostal plane block and serratus anterior plane block in patients undergoing minimally invasive repair of pectus excavatum. Because this is an observational study, the choice of regional analgesia technique will not be determined by the study protocol. The block technique will be selected by the attending anesthesiologist according to routine clinical practice. No randomization or protocol-driven assignment will be performed.

연구 유형

관찰

등록 (추정된)

80

연락처 및 위치

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

연구 연락처

연구 연락처 백업

  • 이름: Seniyye Ülgen Zengin, Associate Professor, MD
  • 전화번호: +905057142443
  • 이메일: ulgen_t@yahoo.com

연구 장소

    • Istanbul
      • Istanbul, Istanbul, 터키 (Türkiye), 34722
        • 모병
        • Marmara University
        • 연락하다:
        • 연락하다:
          • Seniyye Ülgen Zengin, Associate Professor, MD
          • 전화번호: +905057142443
          • 이메일: ulgen_t@yahoo.com
        • 수석 연구원:
          • Seniyye Ülgen Zengin, Associate Professor, MD
        • 부수사관:
          • Cem Özdemir, MD
        • 부수사관:
          • Meliha Orhon Ergün, Associate Professor, MD

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

  • 어린이
  • 성인

건강한 자원 봉사자를 받아들입니다

아니

샘플링 방법

비확률 샘플

연구 인구

The study population will include patients aged 15 to 25 years who are diagnosed with pectus excavatum and scheduled to undergo minimally invasive repair of pectus excavatum under general anesthesia. Patients who receive either bilateral serratus posterior superior intercostal plane block or bilateral serratus anterior plane block as part of routine perioperative analgesic care will be included.

설명

Inclusion Criteria:

  • Patients aged 15 to 25 years
  • Diagnosis of pectus excavatum
  • Scheduled to undergo minimally invasive repair of pectus excavatum under general anesthesia
  • Receipt of either bilateral serratus posterior superior intercostal plane block or bilateral serratus anterior plane block as part of routine perioperative analgesic care
  • Written informed consent obtained from the patient or, for patients younger than 18 years, from a legal guardian

Exclusion Criteria:

  • Refusal to participate in the study
  • Contraindication to regional anesthesia
  • Known allergy to local anesthetics or study analgesic medications
  • Chronic opioid use
  • Pre-existing chronic pain syndrome
  • Coagulopathy or use of anticoagulant therapy that contraindicates regional block application
  • Local infection at the block injection site
  • Neurological or psychiatric condition that may interfere with pain assessment
  • Incomplete perioperative or postoperative data
  • Conversion to another surgical technique or major intraoperative complication requiring a change in the routine analgesic protocol

공부 계획

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

연구는 어떻게 설계됩니까?

디자인 세부사항

코호트 및 개입

그룹/코호트
개입 / 치료
Serratus Anterior Plane Block Group
Participants in this cohort will receive bilateral ultrasound-guided serratus anterior plane block as part of routine perioperative analgesic care.
Bispectral Index (BIS) 장치를 이용한 수술 중 지속적인 마취 깊이 모니터링. 연구 집단 간 마취 깊이를 표준화하고 마취제 투여량을 조절하는 데 도움을 주기 위해 수술 전 과정에 걸쳐 BIS 값이 기록됩니다. BIS 장치는 모니터링 목적으로만 사용되며, 장치 관련 연구 절차는 수행되지 않습니다.
다른 이름들:
  • BIS 모니터링
  • 두번
All participants will receive a standardized multimodal postoperative analgesia protocol. Patient-controlled analgesia with intravenous morphine will be used. The device will be programmed to administer 1 mg of intravenous morphine per demand, with a lockout interval of 10 minutes. Paracetamol will be administered as part of routine multimodal analgesia. If adequate analgesia cannot be achieved, 100 mg tramadol will be administered as rescue analgesia according to clinical need.
Bilateral ultrasound-guided serratus anterior plane block will be performed according to standard techniques described in the literature and routinely used in the clinic. Local anesthetic dosing will be determined according to institutional practice and safety limits. In bilateral applications, the total bupivacaine dose will not exceed 2.5 mg/kg.
다른 이름들:
  • SAPB
  • SAP 블록
Serratus Posterior Superior Intercostal Plane Block Group
Participants in this cohort will receive bilateral ultrasound-guided serratus posterior superior intercostal plane block as part of routine perioperative analgesic care.
Bispectral Index (BIS) 장치를 이용한 수술 중 지속적인 마취 깊이 모니터링. 연구 집단 간 마취 깊이를 표준화하고 마취제 투여량을 조절하는 데 도움을 주기 위해 수술 전 과정에 걸쳐 BIS 값이 기록됩니다. BIS 장치는 모니터링 목적으로만 사용되며, 장치 관련 연구 절차는 수행되지 않습니다.
다른 이름들:
  • BIS 모니터링
  • 두번
All participants will receive a standardized multimodal postoperative analgesia protocol. Patient-controlled analgesia with intravenous morphine will be used. The device will be programmed to administer 1 mg of intravenous morphine per demand, with a lockout interval of 10 minutes. Paracetamol will be administered as part of routine multimodal analgesia. If adequate analgesia cannot be achieved, 100 mg tramadol will be administered as rescue analgesia according to clinical need.
Bilateral ultrasound-guided serratus posterior superior intercostal plane block will be performed according to standard techniques described in the literature and routinely used in the clinic. Local anesthetic dosing will be determined according to institutional practice and safety limits. In bilateral applications, the total bupivacaine dose will not exceed 2.5 mg/kg.
다른 이름들:
  • SPSIPB
  • SPSIP 블록

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Total postoperative opioid consumption during the first 24 hours
기간: From the end of surgery to 24 hours postoperatively
Total opioid consumption during the first 24 hours after surgery will be recorded and expressed as intravenous morphine equivalents in milligrams.
From the end of surgery to 24 hours postoperatively

2차 결과 측정

결과 측정
측정값 설명
기간
Intraoperative opioid consumption
기간: From induction of anesthesia to the end of surgery
Total intraoperative opioid consumption will be recorded.
From induction of anesthesia to the end of surgery
Postoperative pain scores
기간: At arrival in the post-anesthesia care unit and at postoperative 6, 12, 24, and 48 hours
Pain intensity will be assessed using the Numeric Rating Scale, where 0 indicates no pain and 10 indicates the worst imaginable pain.
At arrival in the post-anesthesia care unit and at postoperative 6, 12, 24, and 48 hours
Patient satisfaction
기간: At postoperative 6, 12, 24, and 48 hours
Patient satisfaction with postoperative analgesia will be assessed using a 4-point Likert scale, where 0 indicates very dissatisfied and 3 indicates very satisfied.
At postoperative 6, 12, 24, and 48 hours
Incidence of Opioid-Related Adverse Effects
기간: From the end of surgery to 48 hours postoperatively
Presence of nausea, vomiting, pruritus, constipation, urinary retention, sedation, and respiratory depression. Adverse effects will be compared among the two groups.
From the end of surgery to 48 hours postoperatively
Duration of anesthesia
기간: Intraoperative period
The total duration of anesthesia will be recorded in minutes.
Intraoperative period
Duration of surgery
기간: Intraoperative period
The total duration of surgery will be recorded in minutes.
Intraoperative period
Time to mobilization
기간: From the end of surgery until the first documented ambulation, assessed within the first 48 postoperative hours
The time from the end of surgery to first mobilization will be recorded.
From the end of surgery until the first documented ambulation, assessed within the first 48 postoperative hours
Length of hospital stay
기간: Length of postoperative hospital stay, defined as the time from the end of surgery to hospital discharge, assessed up to 30 days postoperatively
The duration of postoperative hospitalization will be recorded.
Length of postoperative hospital stay, defined as the time from the end of surgery to hospital discharge, assessed up to 30 days postoperatively

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

수사관

  • 연구 의자: Cem Özdemir, MD, Marmara University
  • 수석 연구원: Seniyye Ülgen Zengin, Associate Professor, MD, Marmara University
  • 연구 책임자: Meliha Orhon Ergün, Associate Professor, MD, Marmara 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 (실제)

2026년 6월 22일

기본 완료 (추정된)

2027년 6월 1일

연구 완료 (추정된)

2027년 6월 1일

연구 등록 날짜

최초 제출

2026년 6월 30일

QC 기준을 충족하는 최초 제출

2026년 7월 6일

처음 게시됨 (실제)

2026년 7월 13일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 7월 13일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 7월 6일

마지막으로 확인됨

2026년 7월 1일

추가 정보

이 연구와 관련된 용어

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

아니요

IPD 계획 설명

Individual participant data (IPD) will not be shared. The study involves clinical information collected under institutional ethical approval, and no consent was obtained for external sharing of identifiable or de-identified participant-level data.

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이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

오목가슴에 대한 임상 시험

Bispectral Index 모니터링에 대한 임상 시험

3
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