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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02971540
Other study ID # SilesianMUKOAiIT1
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date February 2016
Est. completion date July 30, 2017

Study information

Verified date April 2019
Source Medical University of Silesia
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The aim of this randomized trial is to assess the efficacy of analgesia for lumbar discectomy and compare Numerical Rating Scale (NRS) with Surgical Pleth Index (SPI) for monitoring pain perception postoperatively.

Patients received either preemptive local tissue infiltration at surgical site using either 0,2% ropivacaine with fentanyl or 0,2% bupivacaine with fenthanyl or preemptive intravenous infusion using metamizole and tramadol.


Description:

Monitoring depth of anaesthesia using spectral entropy (SE) and quality of neuromuscular block are routine in modern anaesthesia, whereas monitoring of analgesia still requires further studies. Recently, the Surgical Pleth Index (SPI) was added as a surrogate variable showing the nociception-antinociception balance into abovementioned parametres constituting a novel approach in monitoring patients intraoperatively, known as adequacy of anaesthesia (AoA) or tailor-made anaesthesia. This study aims at evaluating utility of SPI-directed analgesia in patients undergoing general anaesthesia (GA) where analgesia intraoperatively will be achieved either with regional preemptive wound infiltration using 0,2 % ropivacaine with fentanyl or 0,2 % bupivacaine with fentanyl or intravenous analgesia using continuous infusion of metamizole with tramadol for lumbar discectomy. Intraoperatively, SPI value will be recorded with sampling frequency of 1 minute. When SPI value reaches a level higher than 15 SPI points above basic level, a rescue dose of 1mg/kg body weight of fentanyl will be administered intravenously every 5 minutes until SPI value decreases to basic level calculated previously before operation started.

Additionally, the investigators will compare Numerical Rating Scale (NRS) with Surgical Pleth Index (SPI) values for monitoring the efficacy of analgesia postoperatively. After emergence from GA patients will be questioned in terms of their pain intensity in a scale 0-10. In the case of pain perception above 3, a bolus of 2mg of morphine will be administered intravenously every 10 minutes until pain perception will be lower than 4. SPI values will be recorded every 1 minute and analysed for aute pain (NRS 7-10), average (4-6) and mild pain perception intervals to assess if there exists a correlation between NRS and SPI.

In addition, some patients develop Failed Back Surgery Syndrome (FBSS) following lumbar surgeries so the investigators will aim to analyze if SPI-directed analgesia intra- and post-operatively reduces rate of FBSS. After 5 months after operation patient will be surveyed using melzack protocol to assess the rate of FBSS as well as symptoms of chronic pain.


Recruitment information / eligibility

Status Completed
Enrollment 132
Est. completion date July 30, 2017
Est. primary completion date July 30, 2017
Accepts healthy volunteers No
Gender All
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria:

- written consent to participate in the study

- written consent to undergo general anaesthesia with local wound infiltration and surgery of discectomy

Exclusion Criteria:

- allergy to local anaesthetics

- necessity of administration of vasoactive drugs influencing SPI monitoring

- pregnancy

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Metamizol
in group A patients will receive pre-emptive analgesia using intravenous infusion of metamizol in a single dose of 1-1,25 gram with following intravenous infusion of 5 grams per day.
Tramadol
in group A patients will receive pre-emptive analgesia using intravenous infusion of tramadol in a single dose of 2 mg per hg of body weight with following intravenous infusion of 400 mg per day.
Bupivacaine
patients in group BF will receive local wound infiltration with a solution of 0,2% bupivacaine in a volume of 10 ml per segment of vertrebral columne.
Ropivacaine
patients in group RF will receive local wound infiltration with a solution of 0,2% ropivacaine in a volume of 10 ml per segment of vertrebral columne.
Other:
control group
patients will receive no pre-emptive analgesia. intraoperatively standard dose of fentanyl will be used.

Locations

Country Name City State
Poland Medical University of Silesia Sosnowiec Silesia

Sponsors (2)

Lead Sponsor Collaborator
Medical University of Silesia Silesian University of Medicine

Country where clinical trial is conducted

Poland, 

References & Publications (11)

Chae SU, Kim TK, Shim DM, Kim YJ, Choi DH. Is complex regional pain syndrome a cause of post-operative syndrome in the lumbar spine? - a case report -. Asian Spine J. 2009 Dec;3(2):101-5. doi: 10.4184/asj.2009.3.2.101. Epub 2009 Dec 31. — View Citation

Cherian MN, Mathews MP, Chandy MJ. Local wound infiltration with bupivacaine in lumbar laminectomy. Surg Neurol. 1997 Feb;47(2):120-2; discussion 122-3. — View Citation

Gruenewald M, Herz J, Schoenherr T, Thee C, Steinfath M, Bein B. Measurement of the nociceptive balance by Analgesia Nociception Index and Surgical Pleth Index during sevoflurane-remifentanil anesthesia. Minerva Anestesiol. 2015 May;81(5):480-9. Epub 2014 — View Citation

Gruenewald M, Ilies C, Herz J, Schoenherr T, Fudickar A, Höcker J, Bein B. Influence of nociceptive stimulation on analgesia nociception index (ANI) during propofol-remifentanil anaesthesia. Br J Anaesth. 2013 Jun;110(6):1024-30. doi: 10.1093/bja/aet019. Epub 2013 Mar 6. — View Citation

Gruenewald M, Ilies C. Monitoring the nociception-anti-nociception balance. Best Pract Res Clin Anaesthesiol. 2013 Jun;27(2):235-47. doi: 10.1016/j.bpa.2013.06.007. Review. — View Citation

Gruenewald M, Willms S, Broch O, Kott M, Steinfath M, Bein B. Sufentanil administration guided by surgical pleth index vs standard practice during sevoflurane anaesthesia: a randomized controlled pilot study. Br J Anaesth. 2014 May;112(5):898-905. doi: 10.1093/bja/aet485. Epub 2014 Feb 16. — View Citation

Gurbet A, Bekar A, Bilgin H, Korfali G, Yilmazlar S, Tercan M. Pre-emptive infiltration of levobupivacaine is superior to at-closure administration in lumbar laminectomy patients. Eur Spine J. 2008 Sep;17(9):1237-41. doi: 10.1007/s00586-008-0676-z. Epub 2008 Apr 19. — View Citation

Hernández-Palazón J, Tortosa Serrano JA, Burguillos López S, Molero Molero E. [Infiltration of the surgical wound with local anesthetic for postoperative analgesia in patients operated on for lumbar disc herniation. Comparative study of ropivacaine and bupivacaine]. Rev Esp Anestesiol Reanim. 2001 Jan;48(1):17-20. Spanish. — View Citation

Ozyilmaz K, Ayoglu H, Okyay RD, Yurtlu S, Koksal B, Hanci V, Erdogan G, Turan IO. Postoperative analgesic effects of wound infiltration with tramadol and levobupivacaine in lumbar disk surgeries. J Neurosurg Anesthesiol. 2012 Oct;24(4):331-5. doi: 10.1097/ANA.0b013e3182611a1d. — View Citation

Won YJ, Lim BG, Lee SH, Park S, Kim H, Lee IO, Kong MH. Comparison of relative oxycodone consumption in surgical pleth index-guided analgesia versus conventional analgesia during sevoflurane anesthesia: A randomized controlled trial. Medicine (Baltimore). 2016 Aug;95(35):e4743. doi: 10.1097/MD.0000000000004743. — View Citation

Yalbuzdag SA, Erol AM, Sengul I, Celik C, Solum S, Adilay HU, Gungor B. Temperament and Character Profile in Failed Back Surgery Syndrome: A Cross-Sectional Clinical Study. Turk Neurosurg. 2016;26(6):912-917. doi: 10.5137/1019-5149.JTN.13679-14.0. — View Citation

* Note: There are 11 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Other postoperative persistent pain The investigators will compare the efficacy of analgesia postoperatively according to technique of analgesia used preoperatively: either local woung inflitration or intravenous infusion. The investigators will use melzack to assess the rate of the post-operative persistent pain. Patients will be invited to pay a control visit in the clinic and asked to describe their pain intensity and specify its characteristic using a set of adjectives characterizing their pain perception. Afterwards, pain perception of patients will be analyzed using specified scale when each adjective is attributed points and sum of points gathered in the questionaire indicates probability of presence of postoperative perception pain using melzack questionnaire. up to 6 months
Other postoperative FBSS The investigators will compare the efficacy of analgesia postoperatively according to technique of analgesia used preoperatively: either local woung inflitration or intravenous infusion. The investigators will use FBSS scale to assess the presence of FBSS. Patients will be invited to pay a control visit in the clinic to be diagnosed for symptoms of FBSS: pain intensity, disability, depression scores, temperament and character profile determined by the visual analogue scale (VAS), Roland Morris Disability Index, Beck Depression Inventory, and Temperament and Character Inventory. up to 6 months
Primary pain perception intraoperatively The investigators will compare the efficacy of analgesia intraoperatively according to technique of analgesia used preoperatively: either local woung inflitration or intravenous infusion. The investigators will administer a resuce dose of fentanyl intravenously in a dose of 1 mcg per kg of body weight in the case when SPI value increases over 15 points in SPI scale every 5 minutes untill SPI value decreases back to baseline value on-line based on SPI values
Secondary pain perception postoperatively The investigators will compare the efficacy of analgesia postoperatively according to technique of analgesia used preoperatively: either local woung inflitration or intravenous infusion. The investigators use NRS and compare it with SPI values. Additionally, The investigators will observe SPI variations as a reaction to morphine administration intravenously in the case of acute or moderate pain. 2 hours after discharge to postoperative unit.
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