NCT02973581

Brief Summary

The aim of this randomized trial is to assess the efficacy of SPI-directed analgesia for vitreoretinal surgeries (VRS), presence of PONV and oculocardiac reflex (OCR) and compare Numerical Rating Scale (NRS) with Surgical Pleth Index (SPI) for monitoring pain perception postoperatively. Patients received general anaesthesia alone or combined with either preemptive analgesia using topical solution of 0,5% proxymetacaine or peribulbar block (0,5% bupivacaine with 2% lidokaine) or preemptive intravenous infusion of 1,0 g of metamizol or preemptive intravenous infusion of acetaminophen in a doseof 10-15mg/kg of body weight.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
176

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Feb 2016

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 2016

Completed
10 months until next milestone

First Submitted

Initial submission to the registry

November 22, 2016

Completed
3 days until next milestone

First Posted

Study publicly available on registry

November 25, 2016

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2017

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2017

Completed
Last Updated

January 23, 2018

Status Verified

July 1, 2017

Enrollment Period

1 year

First QC Date

November 22, 2016

Last Update Submit

January 18, 2018

Conditions

Keywords

Surgical Pleth Index (SPI)General Anaesthesia (GA),Numerical Rating Scale (NRS)Adequacy of Anaesthesia (AoA)Peribulbar Block (PBB)Topical Analgesia (TA)Oculocardiac reflex (OCR)Postoperative nausea nad vomiting (PONV)paracetamolmetamizol

Outcome Measures

Primary Outcomes (2)

  • pain perception intraoperatively

    The investigators will compare the efficacy of analgesia intraoperatively according to technique of analgesia used preoperatively. The investigators will administer a rescue 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 until SPI value decreases back to baseline value. Additionally, the investigators will analyse rescue fentanyl consumption in abovementioned groups

    intraoperatively

  • oculocardiac reflex rate

    The investigators will compare the rate of presence of OCR intraoperatively in studied groups

    intraoperatively

Secondary Outcomes (2)

  • pain perception postoperatively

    up to one hour after discharge to postoperative unit.

  • PONV

    up to one hour

Study Arms (5)

metamizol

EXPERIMENTAL

analgesic drug

Drug: MetamizolDrug: 0,5 % bupivacaine with of 2% lidocaine

acetaminophen

EXPERIMENTAL

analgesic drug

Drug: MetamizolDrug: 0,5 % bupivacaine with of 2% lidocaineDrug: Proxymetacaine

0,5 % bupivacaine with of 2% lidocaine

EXPERIMENTAL

a volume of 5 ml of analgesic solution for regional peribulbar block

Drug: AcetaminophenDrug: 0,5 % bupivacaine with of 2% lidocaineDrug: Proxymetacaine

Proxymetacaine

EXPERIMENTAL

topical analgesia

Drug: AcetaminophenDrug: Proxymetacaine

control group

PLACEBO COMPARATOR

patients will receive no pre-emptive analgesia. standard doses of fentanyl will be used intraoperatively.

Drug: MetamizolDrug: AcetaminophenDrug: 0,5 % bupivacaine with of 2% lidocaineDrug: Proxymetacaine

Interventions

in group A patients will receive pre-emptive analgesia using intravenous infusion of metamizol in a single dose of 1-1,25 gram

acetaminophencontrol groupmetamizol

in group P patients will receive pre-emptive analgesia using intravenous infusion of acetaminophen in a single dose of 10-15 mg per kg of body weight

Also known as: paracetamol
0,5 % bupivacaine with of 2% lidocaineProxymetacainecontrol group

in group PBB patients in group BF will receive regional peribulbar block using a solution of 0,5% bupivacaine (2,5 ml) with 2% lidocaine (2,5 ml)

Also known as: Lidocaine
0,5 % bupivacaine with of 2% lidocaineacetaminophencontrol groupmetamizol

in group T patients will receive topical analgesia using a solution of 0,5% Alcaine

Also known as: Alcaine
0,5 % bupivacaine with of 2% lidocaineProxymetacaineacetaminophencontrol group

Eligibility Criteria

Age18 Years - 90 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • written consent to participate in the study
  • written consent to undergo general anaesthesia alone or combined with different techniques of pre-emptive analgesia and vitreoretinal surgery

You may not qualify if:

  • history of allergy to local anaesthetics or metamizole
  • necessity of administration of vasoactive drugs influencing SPI monitoring
  • pregnancy

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Medical University of Silesia

Sosnowiec, Silesian Voivodeship, 41-200, Poland

Location

Related Publications (16)

  • Mandelcorn M, Taback N, Mandelcorn E, Ananthanarayan C. Risk factors for pain and nausea following retinal and vitreous surgery under conscious sedation. Can J Ophthalmol. 1999 Aug;34(5):281-5.

    PMID: 10486687BACKGROUND
  • 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 Jul 17.

  • Gruenewald M, Ilies C, Herz J, Schoenherr T, Fudickar A, Hocker 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.

  • 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.

  • 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.

  • Jaichandran VV, Raman R, Gella L, Sharma T. Local anesthetic agents for vitreoretinal surgery: no advantage to mixing solutions. Ophthalmology. 2015 May;122(5):1030-3. doi: 10.1016/j.ophtha.2014.11.026. Epub 2015 Jan 10.

  • Ghali AM. The efficacy of 0.75% levobupivacaine versus 0.75% ropivacaine for peribulbar anesthesia in vitreoretinal surgery. Saudi J Anaesth. 2012 Jan;6(1):22-6. doi: 10.4103/1658-354X.93050.

  • Bahcecioglu H, Unal M, Artunay O, Rasier R, Sarici A. Posterior vitrectomy under topical anesthesia. Can J Ophthalmol. 2007 Apr;42(2):272-7.

  • Seidenari P, Santin G, Milani P, David A. Peribulbar and retrobulbar combined anesthesia for vitreoretinal surgery using ropivacaine. Eur J Ophthalmol. 2006 Mar-Apr;16(2):295-9. doi: 10.1177/112067210601600216.

  • Eberhart LH, Morin AM, Hoerle S, Wulf H, Geldner G. Droperidol and dolasetron alone or in combination for prevention of postoperative nausea and vomiting after vitrectomy. Ophthalmology. 2004 Aug;111(8):1569-75. doi: 10.1016/j.ophtha.2004.01.031.

  • Subramaniam R, Subbarayudu S, Rewari V, Singh RP, Madan R. Usefulness of pre-emptive peribulbar block in pediatric vitreoretinal surgery: a prospective study. Reg Anesth Pain Med. 2003 Jan-Feb;28(1):43-7. doi: 10.1053/rapm.2003.50032.

  • Fekrat S, Elsing SH, Raja SC, Campochiaro PA, de Juan E Jr, Haller JA. Eye pain after vitreoretinal surgery: a prospective study of 185 patients. Retina. 2001;21(6):627-32. doi: 10.1097/00006982-200112000-00010.

  • Calenda E, Olle P, Muraine M, Brasseur G. Peribulbar anesthesia and sub-Tenon injection for vitreoretinal surgery: 300 cases. Acta Ophthalmol Scand. 2000 Apr;78(2):196-9. doi: 10.1034/j.1600-0420.2000.078002196.x.

  • Sajedi P, Nejad MS, Montazeri K, Baloochestani E. Comparing the preventive effect of 2 percent topical lidocaine and intravenous atropine on oculocardiac reflex in ophthalmological surgeries under general anesthesia. Int J Prev Med. 2013 Nov;4(11):1258-65.

  • Calenda E, Quintyn JC, Brasseur G. Peribulbar anaesthesia using a combination of lidocaine, bupivocaine and clonidine in vitreoretinal surgery. Indian J Ophthalmol. 2002 Sep;50(3):205-8.

  • Page MA, Fraunfelder FW. Safety, efficacy, and patient acceptability of lidocaine hydrochloride ophthalmic gel as a topical ocular anesthetic for use in ophthalmic procedures. Clin Ophthalmol. 2009;3:601-9. doi: 10.2147/opth.s4935. Epub 2009 Nov 2.

MeSH Terms

Conditions

Postoperative Nausea and VomitingPain, Postoperative

Interventions

DipyroneAcetaminophenLidocaineproxymetacaine

Condition Hierarchy (Ancestors)

Postoperative ComplicationsPathologic ProcessesPathological Conditions, Signs and SymptomsNauseaSigns and Symptoms, DigestiveSigns and SymptomsVomitingPainNeurologic Manifestations

Intervention Hierarchy (Ancestors)

AminopyrinePyrazolonesPyrazolesAzolesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsAcetanilidesAnilidesAmidesOrganic ChemicalsAniline CompoundsAmines

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
DIAGNOSTIC
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator, Department of Anaesthesiology and Intensive Therapy

Study Record Dates

First Submitted

November 22, 2016

First Posted

November 25, 2016

Study Start

February 1, 2016

Primary Completion

February 1, 2017

Study Completion

May 1, 2017

Last Updated

January 23, 2018

Record last verified: 2017-07

Data Sharing

IPD Sharing
Will share

article in European Journal of Anaesthesiology in 2018, case reports

Locations