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

6 de julio de 2026 actualizado por: 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.

Descripción general del estudio

Estado

Reclutamiento

Condiciones

Intervención / Tratamiento

Descripción detallada

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.

Tipo de estudio

De observación

Inscripción (Estimado)

80

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Estudio Contacto

Copia de seguridad de contactos de estudio

  • Nombre: Seniyye Ülgen Zengin, Associate Professor, MD
  • Número de teléfono: +905057142443
  • Correo electrónico: ulgen_t@yahoo.com

Ubicaciones de estudio

    • Istanbul
      • Istanbul, Istanbul, Turquía (Türkiye), 34722
        • Reclutamiento
        • Marmara University
        • Contacto:
        • Contacto:
          • Seniyye Ülgen Zengin, Associate Professor, MD
          • Número de teléfono: +905057142443
          • Correo electrónico: ulgen_t@yahoo.com
        • Investigador principal:
          • Seniyye Ülgen Zengin, Associate Professor, MD
        • Sub-Investigador:
          • Cem Özdemir, MD
        • Sub-Investigador:
          • Meliha Orhon Ergün, Associate Professor, MD

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

  • Niño
  • Adulto

Acepta Voluntarios Saludables

No

Método de muestreo

Muestra no probabilística

Población de estudio

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.

Descripción

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

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

Cohortes e Intervenciones

Grupo / Cohorte
Intervención / Tratamiento
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.
Monitorización continua intraoperatoria de la profundidad anestésica mediante el dispositivo de Índice Biespectral (BIS). Los valores BIS se registran durante todo el procedimiento para ayudar en la titulación de agentes anestésicos y estandarizar la profundidad anestésica entre las cohortes del estudio. El dispositivo BIS se utiliza únicamente para monitorización, y no se realizan procedimientos de investigación relacionados con el dispositivo.
Otros nombres:
  • Monitoreo BIS
  • BIS
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.
Otros nombres:
  • SAPB
  • Bloque SAP
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.
Monitorización continua intraoperatoria de la profundidad anestésica mediante el dispositivo de Índice Biespectral (BIS). Los valores BIS se registran durante todo el procedimiento para ayudar en la titulación de agentes anestésicos y estandarizar la profundidad anestésica entre las cohortes del estudio. El dispositivo BIS se utiliza únicamente para monitorización, y no se realizan procedimientos de investigación relacionados con el dispositivo.
Otros nombres:
  • Monitoreo BIS
  • BIS
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.
Otros nombres:
  • SPSIPB
  • Bloque SPSIP

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Total postoperative opioid consumption during the first 24 hours
Periodo de tiempo: 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

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Intraoperative opioid consumption
Periodo de tiempo: 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
Periodo de tiempo: 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
Periodo de tiempo: 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
Periodo de tiempo: 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
Periodo de tiempo: Intraoperative period
The total duration of anesthesia will be recorded in minutes.
Intraoperative period
Duration of surgery
Periodo de tiempo: Intraoperative period
The total duration of surgery will be recorded in minutes.
Intraoperative period
Time to mobilization
Periodo de tiempo: 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
Periodo de tiempo: 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

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Investigadores

  • Silla de estudio: Cem Özdemir, MD, Marmara University
  • Investigador principal: Seniyye Ülgen Zengin, Associate Professor, MD, Marmara University
  • Director de estudio: Meliha Orhon Ergün, Associate Professor, MD, Marmara University

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Actual)

22 de junio de 2026

Finalización primaria (Estimado)

1 de junio de 2027

Finalización del estudio (Estimado)

1 de junio de 2027

Fechas de registro del estudio

Enviado por primera vez

30 de junio de 2026

Primero enviado que cumplió con los criterios de control de calidad

6 de julio de 2026

Publicado por primera vez (Actual)

13 de julio de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

13 de julio de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

6 de julio de 2026

Última verificación

1 de julio de 2026

Más información

Términos relacionados con este estudio

Otros números de identificación del estudio

  • 09.2026.769

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

NO

Descripción del plan IPD

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.

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

Sí

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

Sí

producto fabricado y exportado desde los EE. UU.

Sí

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .