Paracervical Block Versus Transcervical Block in Outpatient Procedural Hysteroscopy
NCT ID: NCT05967936
Last Updated: 2023-08-01
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
242 participants
INTERVENTIONAL
2023-09-01
2024-12-01
Brief Summary
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1. Cervical/ intracervical block: injection of local anesthetic into the four quadrants of the cervix.
2. Paracervical block: injection of local anesthetic in the cervicovaginal junction at 5 and 7 o'clock positions.
3. Transcervical (uterine) anesthesia: instillation of a local anesthetic agent via catheter through the cervix and into the uterine cavity.
4. Topical cervical anesthesia: application of local anesthetic in gel or spray to the cervix.
To assess the best anesthetic pathway to decrease pain during outpatient hysteroscopy, the investigators will perform a prospective multicentric study that compare two types of local anesthesia in outpatient procedural hysteroscopy: paracervical block, that is the actual gold-standard, and transcervical instillation.
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Detailed Description
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The population studied will consist in adult women with indication of an outpatient surgical hysteroscopy (myomectomy or polypectomy). Every one of them will be invited to participate the day of their procedure. In the outpatient hysteroscopy clinic, the investigators will verify inclusion and exclusion criteria, explain the objectives of the study, collect data and obtain the patient's consent.
The sample size is 242 patients (121 in each group). The study will be performed in two different centers:
* Integrated University Health Center and Social Services of the East of the Island of Montreal
* Integrated University Health Center and social services of the South Center of the Island of Montreal
Right before each procedure the patients will be randomized through anonymous and alternized enveloppes that will be distributed in each center, to either receive paracervical or transcervical anesthesia before hysteroscopy.
Each patient will receive a pre-established dose of sedative before the procedure, according to their weight: Fentanyl 0,5 mcg/kg IV and Midazolam 0,02 mg/kg. The subsequent doses will be noted.
Under sedation, with the patient in lithotomy position, a medium size speculum will be inserted. The vagina will be disinfected with chlorhexidine and the anterior lip of the cervix will be gripped with a Pozzi forceps.
According to previous randomization, each patient will receive one of the following alternatives of local anesthesia:
* Group A: Paracervical 10cc Bupivacaine 1%, without epinephrine, at 0.5-1 cm depth of the cervicovaginal junction at 5 and 7 o'clock positions (20cc in total).
* Group B: Transcervical (uterine) 10cc Bupivacaine 1% through the endocervix using an 17-Gauge epidural catheter
During the procedure (T1), the nurse will be in charge to fill the scale (to avoid bias). The patients will be given a Visual Analogue Scale (VAS) to fill 15 minutes after the procedure (before discharge), to assess pain.
For each group the investigators will calculate the average rate of pain according to the Visual Analogue Scale during and immediately after the procedure (15 minutes). The investigators will subdivide each group into pre and postmenopausal women and into nulliparous and parous women and compare their Visual Analogue Scale as well.
Statistical analysis will be performed to compare results.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
SUPPORTIVE_CARE
SINGLE
Study Groups
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Paracervical block
10cc Bupivacaine 1% at 0.5-1 cm depth of the cervicovaginal junction at 5 and 7 o'clock positions (20cc in total).
Bupivacaine Injection
evaluation of pain by using two different types of local anesthesia
Transcervical block
10cc Bupivacaine 1% through the endocervix using an 17-gauge epidural catheter
Bupivacaine Injection
evaluation of pain by using two different types of local anesthesia
Interventions
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Bupivacaine Injection
evaluation of pain by using two different types of local anesthesia
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* 18 years of age or older
* Indication of outpatient surgical hysteroscopy for polypectomy and myomectomy
Exclusion Criteria
* Unable to understand how to score a visual analog scale pain score
* Hysteroscopy contraindication
* Patients with medical history or current status that makes outpatient procedure usafe
18 Years
FEMALE
No
Sponsors
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Centre integre universitaire de sante et de services sociaux du Centre-Sud-de-l'Île-de-Montréal
OTHER_GOV
Ciusss de L'Est de l'Île de Montréal
OTHER
Responsible Party
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Principal Investigators
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Mélissa Roy, MD
Role: STUDY_DIRECTOR
OB-GYN
Locations
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CIUSSS de l'Est de l'Île de Montréal
Montreal East, Quebec, Canada
Countries
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Central Contacts
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Facility Contacts
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References
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Readman E, Maher PJ. Pain relief and outpatient hysteroscopy: a literature review. J Am Assoc Gynecol Laparosc. 2004 Aug;11(3):315-9. doi: 10.1016/s1074-3804(05)60042-4.
Lau WC, Tam WH, Lo WK, Yuen PM. A randomised double-blind placebo-controlled trial of transcervical intrauterine local anaesthesia in outpatient hysteroscopy. BJOG. 2000 May;107(5):610-3. doi: 10.1111/j.1471-0528.2000.tb13301.x.
De Silva PM, Mahmud A, Smith PP, Clark TJ. Analgesia for Office Hysteroscopy: A Systematic Review and Meta-analysis. J Minim Invasive Gynecol. 2020 Jul-Aug;27(5):1034-1047. doi: 10.1016/j.jmig.2020.01.008. Epub 2020 Jan 23.
Bettocchi S, Selvaggi L. A vaginoscopic approach to reduce the pain of office hysteroscopy. J Am Assoc Gynecol Laparosc. 1997 Feb;4(2):255-8. doi: 10.1016/s1074-3804(97)80019-9.
Cicinelli E, Didonna T, Ambrosi G, Schonauer LM, Fiore G, Matteo MG. Topical anaesthesia for diagnostic hysteroscopy and endometrial biopsy in postmenopausal women: a randomised placebo-controlled double-blind study. Br J Obstet Gynaecol. 1997 Mar;104(3):316-9. doi: 10.1111/j.1471-0528.1997.tb11460.x.
Lau WC, Lo WK, Tam WH, Yuen PM. Paracervical anaesthesia in outpatient hysteroscopy: a randomised double-blind placebo-controlled trial. Br J Obstet Gynaecol. 1999 Apr;106(4):356-9. doi: 10.1111/j.1471-0528.1999.tb08274.x.
Zupi E, Luciano AA, Valli E, Marconi D, Maneschi F, Romanini C. The use of topical anesthesia in diagnostic hysteroscopy and endometrial biopsy. Fertil Steril. 1995 Feb;63(2):414-6.
Broadbent JA, Hill NC, Molnar BG, Rolfe KJ, Magos AL. Randomized placebo controlled trial to assess the role of intracervical lignocaine in outpatient hysteroscopy. Br J Obstet Gynaecol. 1992 Sep;99(9):777-9. doi: 10.1111/j.1471-0528.1992.tb13886.x. No abstract available.
Cooper NA, Khan KS, Clark TJ. Local anaesthesia for pain control during outpatient hysteroscopy: systematic review and meta-analysis. BMJ. 2010 Mar 23;340:c1130. doi: 10.1136/bmj.c1130.
Kosus N, Kosus A, Guler A, Simavli SA, Turhan NO. Transcervical intrauterine levobupivacaine infusion or paracervical block for pain control during endometrial biopsy. Exp Ther Med. 2012 Apr;3(4):683-688. doi: 10.3892/etm.2012.463. Epub 2012 Jan 30.
Guida M, Pellicano M, Zullo F, Acunzo G, Lavitola G, Palomba S, Nappi C. Outpatient operative hysteroscopy with bipolar electrode: a prospective multicentre randomized study between local anaesthesia and conscious sedation. Hum Reprod. 2003 Apr;18(4):840-3. doi: 10.1093/humrep/deg075.
Hawker GA, Mian S, Kendzerska T, French M. Measures of adult pain: Visual Analog Scale for Pain (VAS Pain), Numeric Rating Scale for Pain (NRS Pain), McGill Pain Questionnaire (MPQ), Short-Form McGill Pain Questionnaire (SF-MPQ), Chronic Pain Grade Scale (CPGS), Short Form-36 Bodily Pain Scale (SF-36 BPS), and Measure of Intermittent and Constant Osteoarthritis Pain (ICOAP). Arthritis Care Res (Hoboken). 2011 Nov;63 Suppl 11:S240-52. doi: 10.1002/acr.20543. No abstract available.
Jensen MP, Karoly P, Braver S. The measurement of clinical pain intensity: a comparison of six methods. Pain. 1986 Oct;27(1):117-126. doi: 10.1016/0304-3959(86)90228-9.
Chudnoff S, Einstein M, Levie M. Paracervical block efficacy in office hysteroscopic sterilization: a randomized controlled trial. Obstet Gynecol. 2010 Jan;115(1):26-34. doi: 10.1097/AOG.0b013e3181c51ace.
Other Identifiers
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MP-12-2023-3238
Identifier Type: -
Identifier Source: org_study_id
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