Ultrasound-assisted Thoracic Epidural Catheter Insertion
Evaluation of the Accuracy of Real-time Ultrasound-assisted Thoracic Epidural Catheter Insertion: a Pilot Study
Descripción general del estudio
Estado
Condiciones
Intervención / Tratamiento
Descripción detallada
Thoracic epidural anesthesia has been associated with reduced acute postoperative pain for a wide variety of surgical procedures. It has also been associated with reductions in perioperative cardiac stress, chronic post-thoracotomy pain, and improvements in postoperative pulmonary function. Although a variety of methods can be used to confirm the position of the epidural needle in the epidural space, a blind technique and fluoroscopic guided approach are a widely used method. A thoracic epidural block is a relatively more difficult procedure than procedures used in other regions, because the spinous process of the thoracic vertebra is longer than that of the lumbar vertebra, and the area through which the needle can approach the epidural space is relatively smaller due to an acute angle and larger distance between the skin and the epidural space. Therefore, the success rate of thoracic epidural intervention is only about 68% under a blind technique due to inadequate position of the needle tip, misplacement, occlusion, and migration of the catheter.
Although fluoroscopic guided thoracic epidural intervention is the safest and most accurate method to identify the correct anatomical structures and confirm the epidural space with contrast medium, its use is limited because of the difficulty of using fluoroscope and the burden of radiation exposure. As the use of ultrasound has become popularized and universal, it has been widely used in regional anesthesia and analgesia, has continuously replaced the modality such as a blind technique and fluoroscopic guidance. Ultrasound-guided thoracic epidural catheter insertion was also recently investigated, and then it was conducted successfully in 15 cases of thoracic and upper abdominal surgery. Moreover, it showed several advantages including lowering the number of needle passes and increasing the success rate. However, it has not yet been studied how accurately the catheter is located in the thoracic epidural space during thoracic epidural catheter insertion using real-time ultrasound. Although it is possible to speculate the success of the thoracic epidural catheterization clinically, the identification of the location of the catheter is only possible under fluoroscopic guidance. Therefore, in the present study, we aimed to confirm the success rate of ultrasound-guided thoracic epidural catheter insertion, using fluoroscopy with contrast medium.
Tipo de estudio
Inscripción (Actual)
Fase
- No aplica
Contactos y Ubicaciones
Ubicaciones de estudio
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Seoul, Corea, república de, 05505
- Asan Medical Center
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Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Descripción
Inclusion Criteria:
- Patients who will undergo upper abdomen or thoracic surgery
- Scheduled for thoracic epidural catheter insertion
- 20 ≤ age <80
- When obtaining informed consent voluntarily
Exclusion Criteria:
- Allergy to local anesthetics and contrast dye, and steroid
- Use of anticoagulants or antiplatelet medication, coagulopathy
- Infection at the insertion site
- Neurological or psychiatric disorders
- Prior spine instrumentation
- Pregnancy
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
- Propósito principal: Diagnóstico
- Asignación: N / A
- Modelo Intervencionista: Asignación de un solo grupo
- Enmascaramiento: Ninguno (etiqueta abierta)
Armas e Intervenciones
Grupo de participantes/brazo |
Intervención / Tratamiento |
|---|---|
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Experimental: Ultrasound-guided TECI
After assessment of the epidural space using the loss of resistance technique with saline under ultrasound guidance, fluoroscopic views will be obtained to confirm which the catheter tip is located in the epidural space or not.
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When performing an ultrasound-guided thoracic epidural catheter insertion (TECI), an 18-gauge Tuohy needle will be used for interlaminar epidural access.
All procedures will be performed with a paramedian approach under ultrasound-guidance and using the loss of resistance technique with saline.
If the needle is deemed to be in the epidural space when the loss of resistance occurred, fluoroscopic views will be obtained to confirm which the catheter tip is located in the epidural space or not.
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¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
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Success rate of ultrasound-guided thoracic epidural catheter insertion
Periodo de tiempo: on the day of the procedure
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Confirmation success of ultrasound-guided thoracic epidural catheter insertion using fluoroscopic images; success means that the catheter tip is located in the epidural space.
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on the day of the procedure
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Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
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Number of skin punctures
Periodo de tiempo: on the day of the procedure
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complete needle withdrawal from the skin and reinsertion at a new location
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on the day of the procedure
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Number of needle passes
Periodo de tiempo: on the day of the procedure
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First needle pass + additional needle passes (the needle returned to a plane perpendicular to the skin before reinsertion.
Needle tip maneuvers toward the midline and cephalad were considered standard needle walking technique and were counted as a single pass)
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on the day of the procedure
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First attempt success rate
Periodo de tiempo: on the day of the procedure
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only first needle pass and first skin puncture
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on the day of the procedure
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Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Jong-Hyuk Lee, MD, Asan Medical Center
Publicaciones y enlaces útiles
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio (Actual)
Finalización primaria (Actual)
Finalización del estudio (Actual)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Actual)
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Palabras clave
Términos MeSH relevantes adicionales
Otros números de identificación del estudio
- 2019-0320
Información sobre medicamentos y dispositivos, documentos del estudio
Estudia un producto farmacéutico regulado por la FDA de EE. UU.
Estudia un producto de dispositivo regulado por la FDA de EE. UU.
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