Post-discharge Pain After Breast-surgery Treated by Paravertebral Block
NCT ID: NCT03618459
Last Updated: 2018-08-07
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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COMPLETED
244 participants
OBSERVATIONAL
2016-01-01
2017-06-30
Brief Summary
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Investigators designed a prospective, observational study on a continuous cohort of adult patients undergoing breast surgery with a standardized thoracic paravertebral block performed before general anesthesia induction. Patients were subsequently interviewed 6 months after hospital discharge in order to assess the incidence, features and duration of post-discharge pain.
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Detailed Description
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Many potential risk factors have been proposed for the development of chronic post-breast surgery pain. A Cochrane systematic review has addressed the role of regional anesthesia in preventing the development of chronic postoperative pain, suggesting that "paravertebral block may reduce the pain after breast cancer surgery in about one out every five women treated", these results being however weakened by the often poor quality and inadequate power of the studies available. Many predictors of chronic postoperative pain have been identified, one of them being a poorly treated acute pain; in this perspective, regional anesthesia could possibly play a role in preventing nervous system remodeling with resultant hyperalgesia, allodynia and sustained wound pain.
Even if chronic postoperative pain has been progressively recognized as an issue after breast cancer surgery, its link to poorly treated acute postoperative pain and post-discharge pain (PDP) has been poorly investigated. Single shot paravertebral block is an effective technique to provide both anesthesia and good analgesia after breast surgery, but its benefits duration is still debated.
Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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Breast-surgery patients
A consecutive cohort of adult patients undergoing breast surgery with a combined anesthesia technique, employing a thoracic single-shot paravertebral block performed before surgery. Operations performed were in all cases unilateral tumor resections, lumpectomies and mastectomies without axillary lymphadenectomy.
Phone questionnaire
Patients were contacted by phone 6 months after surgery and, after oral consent, a standardized questionnaire was administered in order to inquiry about the length and nature of post-operative pain, the incidence of post-discharge pain, its characteristics, its impact on daily life, its treatment and its rate of chronicity
Interventions
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Phone questionnaire
Patients were contacted by phone 6 months after surgery and, after oral consent, a standardized questionnaire was administered in order to inquiry about the length and nature of post-operative pain, the incidence of post-discharge pain, its characteristics, its impact on daily life, its treatment and its rate of chronicity
Eligibility Criteria
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Inclusion Criteria
* 18 years or greater
* elective breast surgery (tumor resection, mastectomy, lumpectomy)
* local regional anesthesia
Exclusion Criteria
* general contraindications to regional anesthesia,
* the inability to perform a complete block
* diagnosed COPD or other respiratory diseases,
* ASA score risk greater than 3.
18 Years
FEMALE
No
Sponsors
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Ente Ospedaliero Cantonale, Bellinzona
OTHER
Samuele Ceruti
OTHER
Responsible Party
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Samuele Ceruti
Principal Investigator
Principal Investigators
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Luciano Anselmi, MD
Role: STUDY_CHAIR
Ente Ospedaliero Cantonale, Bellinzona
Andrea Saporito, MD
Role: PRINCIPAL_INVESTIGATOR
Ente Ospedaliero Cantonale, Bellinzona
José Aguirre, MD
Role: STUDY_DIRECTOR
Balgrist
Locations
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Andrea Saporito MD
Bellinzona, , Switzerland
Countries
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References
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Cronin-Fenton DP, Norgaard M, Jacobsen J, Garne JP, Ewertz M, Lash TL, Sorensen HT. Comorbidity and survival of Danish breast cancer patients from 1995 to 2005. Br J Cancer. 2007 May 7;96(9):1462-8. doi: 10.1038/sj.bjc.6603717. Epub 2007 Apr 3.
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.
Macdonald L, Bruce J, Scott NW, Smith WC, Chambers WA. Long-term follow-up of breast cancer survivors with post-mastectomy pain syndrome. Br J Cancer. 2005 Jan 31;92(2):225-30. doi: 10.1038/sj.bjc.6602304.
Peuckmann V, Ekholm O, Rasmussen NK, Groenvold M, Christiansen P, Moller S, Eriksen J, Sjogren P. Chronic pain and other sequelae in long-term breast cancer survivors: nationwide survey in Denmark. Eur J Pain. 2009 May;13(5):478-85. doi: 10.1016/j.ejpain.2008.05.015. Epub 2008 Jul 16.
Blyth FM, March LM, Brnabic AJ, Cousins MJ. Chronic pain and frequent use of health care. Pain. 2004 Sep;111(1-2):51-8. doi: 10.1016/j.pain.2004.05.020.
Blyth FM, March LM, Cousins MJ. Chronic pain-related disability and use of analgesia and health services in a Sydney community. Med J Aust. 2003 Jul 21;179(2):84-7. doi: 10.5694/j.1326-5377.2003.tb05441.x.
Andreae MH, Andreae DA. Local anaesthetics and regional anaesthesia for preventing chronic pain after surgery. Cochrane Database Syst Rev. 2012 Oct 17;10:CD007105. doi: 10.1002/14651858.CD007105.pub2.
Schreiber KL, Martel MO, Shnol H, Shaffer JR, Greco C, Viray N, Taylor LN, McLaughlin M, Brufsky A, Ahrendt G, Bovbjerg D, Edwards RR, Belfer I. Persistent pain in postmastectomy patients: comparison of psychophysical, medical, surgical, and psychosocial characteristics between patients with and without pain. Pain. 2013 May;154(5):660-668. doi: 10.1016/j.pain.2012.11.015. Epub 2012 Dec 5.
Staud R. Peripheral pain mechanisms in chronic widespread pain. Best Pract Res Clin Rheumatol. 2011 Apr;25(2):155-64. doi: 10.1016/j.berh.2010.01.010.
Mejdahl MK, Andersen KG, Gartner R, Kroman N, Kehlet H. Persistent pain and sensory disturbances after treatment for breast cancer: six year nationwide follow-up study. BMJ. 2013 Apr 11;346:f1865. doi: 10.1136/bmj.f1865.
Saporito A, Aguirre J, Borgeat A, Perren A, Anselmi L, Poggi R, Minotti B, Cafarotti S, La Regina D, Ceruti S. Persistent postdischarge pain and chronic postoperative pain after breast cancer surgery under general anesthesia and single-shot paravertebral block: incidence, characteristics and impact on quality of life and healthcare costs. J Pain Res. 2019 Apr 16;12:1193-1199. doi: 10.2147/JPR.S195702. eCollection 2019.
Other Identifiers
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CERU-1802
Identifier Type: -
Identifier Source: org_study_id
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