Impact of Novel Thoracic Wall Blocks With Dexmetomidine on Inflammatory Markers Following Breast Cancer Surgery
NCT ID: NCT04860115
Last Updated: 2021-09-28
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
NA
120 participants
INTERVENTIONAL
2021-11-01
2023-12-01
Brief Summary
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Detailed Description
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Regional anesthesia is very effective in management of peri- and postoperative pain. Epidural block, paravertebral block and intercostal nerve blocks have been proven over time to be effective in preventing postoperative pain. However, their widespread use has been hampered by technical difficulty and inherent risks.
Unlike the aforementioned blocks, novel thoracic wall blocks, namely modified pectoralis block (PECS II) and pecto-intercostal fascial block (PIFB) are safe, simple and effective.
Efforts to prolong and improve analgesia following single shot blocks has led to the introduction of adjuvants into the local anesthetic. Dexmetomidine is a superselective Alpha 2 agonist with a proven ability to prolong the duration of neuraxial, peripheral nerve and interfascial plane blocks.
Chronic inflammation is recognized as a risk factor for initiation, progression and further spread of malignant growth. Surgical insult leads to inflammatory response which facilitates the development of a metastatic disease. Many inflammatory markers were proven to be independent prognostic factors in breast cancer patients.
The investigators propose to study the impact of novel thoracic wall blocks with dexmetomidine on simple inflammatory markers obtained from full blood count (NLR, PLR, NPR, PDW, MPV, RDW) after breast cancer surgery.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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Block group
Patients in a Block group will be anesthetized and receive PECS II+PIFB with dexmetomidine prior to their surgery.
Modified pectoralis block (PEC II) and pecto-intercostal fascial plane block (PIFB)
PECS II: Ultrasound guided block involving injection of 20 ml of 0.25% L-bupivacaine with dexmetomidine into an interfascial plane between the serratus anterior muscle and the external intercostal muscles followed by the needle withdrawal into an interfascial plane between the pectoralis major and pectoralis minor muscle where further 10ml will be administered.
PIFB: Ultrasound guided block involving injection of 10 ml of 0.25% L-bupivacaine with dexmetomidine into an iterfascial plane between the pectoralis major and the intercostal muscles approximately 2 cm laterally from the sternum to cover T2 to T6 dermatomes.
Control group
Patients in a Control group will receive a standard general anesthesia the same way as patients in the interventional group but without regional anesthesia.
No interventions assigned to this group
Interventions
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Modified pectoralis block (PEC II) and pecto-intercostal fascial plane block (PIFB)
PECS II: Ultrasound guided block involving injection of 20 ml of 0.25% L-bupivacaine with dexmetomidine into an interfascial plane between the serratus anterior muscle and the external intercostal muscles followed by the needle withdrawal into an interfascial plane between the pectoralis major and pectoralis minor muscle where further 10ml will be administered.
PIFB: Ultrasound guided block involving injection of 10 ml of 0.25% L-bupivacaine with dexmetomidine into an iterfascial plane between the pectoralis major and the intercostal muscles approximately 2 cm laterally from the sternum to cover T2 to T6 dermatomes.
Eligibility Criteria
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Inclusion Criteria
* Older than 18 years
* ASA I-III
Exclusion Criteria
* BMI \> 35
* Allergy to local anaesthetic or dexmetomidine
* Contraindications to NSAIDs use
* Local infection over block site
* Coagulopathy
* Preexisting chronic pain
* Pregnancy
* Autoimmune disease
* Inability to give informed consent
18 Years
FEMALE
No
Sponsors
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F.D. Roosevelt Teaching Hospital with Policlinic Banska Bystrica
OTHER
Louis Pasteur University Hospital Kosice
UNKNOWN
St. Elizabeth Cancer Institute, Slovakia
OTHER
Responsible Party
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Principal Investigators
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Tomas Hitka, MD
Role: PRINCIPAL_INVESTIGATOR
St. Elizabeth Cancer Institute
Central Contacts
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References
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Fecho K, Miller NR, Merritt SA, Klauber-Demore N, Hultman CS, Blau WS. Acute and persistent postoperative pain after breast surgery. Pain Med. 2009 May-Jun;10(4):708-15. doi: 10.1111/j.1526-4637.2009.00611.x. Epub 2009 Apr 22.
Andersen KG, Kehlet H. Persistent pain after breast cancer treatment: a critical review of risk factors and strategies for prevention. J Pain. 2011 Jul;12(7):725-46. doi: 10.1016/j.jpain.2010.12.005. Epub 2011 Mar 24.
Lee SK, Choi MY, Bae SY, Lee JH, Lee HC, Kil WH, Lee JE, Kim SW, Nam SJ. Immediate postoperative inflammation is an important prognostic factor in breast cancer. Oncology. 2015;88(6):337-44. doi: 10.1159/000368985. Epub 2015 Feb 25.
Duff S, Connolly C, Buggy DJ. Adrenergic, Inflammatory, and Immune Function in the Setting of Oncological Surgery: Their Effects on Cancer Progression and the Role of the Anesthetic Technique in their Modulation. Int Anesthesiol Clin. 2016 Fall;54(4):48-57. doi: 10.1097/AIA.0000000000000120. No abstract available.
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de la Torre PA, Garcia PD, Alvarez SL, Miguel FJ, Perez MF. A novel ultrasound-guided block: a promising alternative for breast analgesia. Aesthet Surg J. 2014 Jan 1;34(1):198-200. doi: 10.1177/1090820X13515902. No abstract available.
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Xu L, Hu Z, Shen J, McQuillan PM. Efficacy of US-guided transversus abdominis plane block and rectus sheath block with ropivacaine and dexmedetomidine in elderly high-risk patients. Minerva Anestesiol. 2018 Jan;84(1):18-24. doi: 10.23736/S0375-9393.17.11538-5. Epub 2017 May 19.
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Krenn-Pilko S, Langsenlehner U, Thurner EM, Stojakovic T, Pichler M, Gerger A, Kapp KS, Langsenlehner T. The elevated preoperative platelet-to-lymphocyte ratio predicts poor prognosis in breast cancer patients. Br J Cancer. 2014 May 13;110(10):2524-30. doi: 10.1038/bjc.2014.163. Epub 2014 Mar 27.
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Ni Eochagain A, Burns D, Riedel B, Sessler DI, Buggy DJ. The effect of anaesthetic technique during primary breast cancer surgery on neutrophil-lymphocyte ratio, platelet-lymphocyte ratio and return to intended oncological therapy. Anaesthesia. 2018 May;73(5):603-611. doi: 10.1111/anae.14207. Epub 2018 Feb 19.
Other Identifiers
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07-2021/EK OUSA
Identifier Type: -
Identifier Source: org_study_id
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