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Comparison of Different Volumes Spread of Erector Spinae Block in Post Mastectomy Pain Syndrome Management

30. Dezember 2021 aktualisiert von: Nevert Adel, Mansoura University

Comparison of Different Volumes Spread of Erector Spinae Block in Post Mastectomy Pain Syndrome Management: A Randomized Controlled Trial

Cancer breast is one of the most common tumors among women and surgery is still the key for its management and cure. Post-mastectomy pain control is crucial as acute postoperative pain is a significant factor in the development of persistent chronic pain in the form of post-mastectomy pain syndrome.

Post-mastectomy pain syndrome (PMPS) is a common complication after breast cancer surgery and is often challenging to manage. It is estimated that PMPS occurs in 20%-44% of patients after breast surgery.

Adequate pain control for PMPS has become one of the most important goals and recently can achieve by multiple tools including multimodal analgesia and regional techniques.

Erector spinae block (ESB) is one of the new described regional techniques. Although its mechanism is not clear, the published data agree that it is promising block for chronic and acute pain and its simplicity and safety compared with thoracic epidural or bilateral paravertebral blocks.

ESB can be performed using a superficial approach between the large rhomboid muscle and the erector spinae muscle or the deep method beneath the erector spinae.

The use of the ESPB for chronic pain has recently expanded for various neuropathic pain conditions. Also, it reported with several volumes range from 10 to 30 ml of total volume.

Studienübersicht

Status

Rekrutierung

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

This prospective randomized open comparative study will be conducted in pain clinic, Mansoura University Hospitals. The study will be approved by the Ethics Research Committee of the Faculty of Medicine, Mansoura University and will be carried out in compliance with the Helsinki Declaration. Informed written consent will be signed from every patient participating in this study after full description of all details of every aspect in this study.

Patients more than 18 years old of both genders with PMPS not responding to medical treatments, and numeric rating scale (NRS) ≥ 4 that ranged from 0 (no pain) to 10 (extreme pain)., American society of Anesthesiology Physical Status class I and II, and Body mass index ˂ 30 were included in this study.

The exclusion criteria are patient refusal, local or systemic sepsis, coagulopathy, unstable cardiovascular and respiratory diseases, previous neurological deficits, history of psychiatric disorders, history of drug abuse, distorted local anatomy, and those who were allergic to the used medications were excluded from the study.

All the patients will inform about the numerical rating score (NRS) from zero to 10 (where 0 no pain, 10 the worst pain) to describe their pain.

Random selection of patients:

The study participants were randomly grouped on a scale of 1:1, using a computer-generated list of random numbers. The distribution results were sealed in an opaque envelope and kept by the study administrator. On the day of block, the study manager handed the envelope to the anesthesiologist who will perform the block.

Grouping:

Group A: receive ESR with 1mL of methylprednisolone 40mg/mL with 10 mL of 0.5% bupivacaine and 2mL of nonionic contrast in 7 ml saline 0.9% (total 20 ml with bupivacaine 0.25%).

Group B: receive ESR with 1mL of methylprednisolone 40mg/mL with 15 mL of 0.5% bupivacaine and 2mL of nonionic contrast in 12 ml saline 0.9% (total 30 ml with bupivacaine 0.25%).

Studientyp

Interventionell

Einschreibung (Voraussichtlich)

50

Phase

  • Phase 2

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Studieren Sie die Kontaktsicherung

Studienorte

      • Mansoura, Ägypten
        • Rekrutierung
        • Nevert adel
        • Kontakt:
        • Kontakt:
        • Unterermittler:
          • ghada F Amer, MD

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

18 Jahre bis 70 Jahre (Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Weiblich

Beschreibung

Inclusion Criteria:

  • Patients more than 18 years old of both genders
  • with post-mastectomy pain syndrome not responding to medical treatments,
  • and numeric rating scale (NRS) ≥ 4 that ranged from 0 (no pain) to 10 (extreme pain).,
  • American society of Anesthesiology Physical Status class I and II,
  • and Body mass index ˂ 30 were included in this study

Exclusion Criteria:

  • patient refusal,
  • local or systemic sepsis,
  • coagulopathy,
  • unstable cardiovascular
  • and respiratory diseases,
  • previous neurological deficits,
  • history of psychiatric disorders,
  • history of drug abuse,
  • distorted local anatomy,
  • and those who were allergic to the used medications

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Doppelt

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Aktiver Komparator: Group 20 ml
receive ESB with 1mL of methylprednisolone 40mg/mL with 10 mL of 0.5% bupivacaine and 2mL of nonionic contrast in 7 ml saline 0.9% (total 20 ml with bupivacaine 0.25%).
The patients will do the procedure under fluoroscopic guidance. The patients were placed in prone position. After the identification of the T4 transverse process, the targeted injection site was anesthetized with 3-4 ml of 2% lidocaine. A 25-gauge spinal needle was advanced until it contacted the transverse process at the T4 level. Next, a solution of 1mL of methylprednisolone 40mg/mL with 7 mL of 0.25% bupivacaine and 2mL of nonionic contrast in 10 ml saline 0.9% (group A) and in 20 ml saline 0.9% (group B) will injected. Then another photo will be taken with the fluoroscopy to determine the level of spread in each group. After finished, the patients will transfer to the post-operative care unit and will monitored for any complication for one hour.
Aktiver Komparator: Group 30 ml
receive ESB with 1mL of methylprednisolone 40mg/mL with 15 mL of 0.5% bupivacaine and 2mL of nonionic contrast in 12 ml saline 0.9% (total 30 ml with bupivacaine 0.25%).
The patients will do the procedure under fluoroscopic guidance. The patients were placed in prone position. After the identification of the T4 transverse process, the targeted injection site was anesthetized with 3-4 ml of 2% lidocaine. A 25-gauge spinal needle was advanced until it contacted the transverse process at the T4 level. Next, a solution of 1mL of methylprednisolone 40mg/mL with 7 mL of 0.25% bupivacaine and 2mL of nonionic contrast in 10 ml saline 0.9% (group A) and in 20 ml saline 0.9% (group B) will injected. Then another photo will be taken with the fluoroscopy to determine the level of spread in each group. After finished, the patients will transfer to the post-operative care unit and will monitored for any complication for one hour.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
The level spread of each volume.
Zeitfenster: immediately after injection. C arm photo will be taken to know the level of distribution
The level spread of each volume.
immediately after injection. C arm photo will be taken to know the level of distribution
Numerical analogue scale
Zeitfenster: after 4 weeks from procedure
from 0 (no pain) to 10 (sever pain)
after 4 weeks from procedure
Numerical analogue scale
Zeitfenster: after 8 weeks from procedure
from 0 (no pain) to 10 (sever pain)
after 8 weeks from procedure
Numerical analogue scale
Zeitfenster: after 12 weeks from procedure
from 0 (no pain) to 10 (sever pain)
after 12 weeks from procedure

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Patient satisfaction
Zeitfenster: after 4 weeks from the procedure
evaluated by using a linear scale in which 0 is very dissatisfied and 10 is very satisfied.
after 4 weeks from the procedure

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

12. Dezember 2021

Primärer Abschluss (Voraussichtlich)

1. Juni 2022

Studienabschluss (Voraussichtlich)

1. September 2022

Studienanmeldedaten

Zuerst eingereicht

13. Dezember 2021

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

30. Dezember 2021

Zuerst gepostet (Tatsächlich)

14. Januar 2022

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

14. Januar 2022

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

30. Dezember 2021

Zuletzt verifiziert

1. Dezember 2021

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Andere Studien-ID-Nummern

  • R.21.11.1523

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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