- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT03890640
Ultrasound-assisted Thoracic Epidural Catheter Insertion
Evaluation of the Accuracy of Real-time Ultrasound-assisted Thoracic Epidural Catheter Insertion: a Pilot Study
Studieoversigt
Status
Betingelser
Intervention / Behandling
Detaljeret beskrivelse
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.
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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Seoul, Korea, Republikken, 05505
- Asan Medical Center
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
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
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Diagnostisk
- Tildeling: N/A
- Interventionel model: Enkelt gruppeopgave
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
---|---|
Eksperimentel: 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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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Success rate of ultrasound-guided thoracic epidural catheter insertion
Tidsramme: 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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Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Number of skin punctures
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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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Samarbejdspartnere og efterforskere
Sponsor
Efterforskere
- Ledende efterforsker: Jong-Hyuk Lee, MD, Asan Medical Center
Publikationer og nyttige links
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- 2019-0320
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