The Impact of Retropubic Lidocaine vs Saline on Postoperative Urinary Retention Following Midurethral Sling
NCT ID: NCT03913845
Last Updated: 2025-10-03
Study Results
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Basic Information
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COMPLETED
PHASE4
150 participants
INTERVENTIONAL
2019-11-25
2024-11-14
Brief Summary
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Several recent studies have reported varying rates of postoperative voiding trial success depending on the type of local anesthetic used for hydrodissection; however the data is sparse and invites a more thorough investigation. Furthermore, to the investigators knowledge, no studies have systematically explored dosage or type of agent used intraoperatively on postoperative voiding function. Based on the preliminary data, the investigators hypothesize that patients receiving normal saline compared to a local anesthetic (e.g., lidocaine) will have a reduction in duration of postoperative urinary retention following retropubic midurethral sling placement.
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Detailed Description
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Aim 2: to assess postoperative pain in women receiving retropubic normal saline vs lidocaine during midurethral sling placement. Postoperatively, subjects will be asked to mark their pain on a VAS scale administered 2 hours and 6 hours following surgery. The initial assessment will be performed by nursing personnel at the time of routine vital sign assessment; the subsequent assessments will be completed by patients with an at-home form through postoperative day #7. Narcotic use will be queried through the electronic medical record as well as with a pain diary administered at time of discharge until postoperative day #7.
Aim 3: to examine differences in patient satisfaction and quality of life following retropubic midurethral sling placement between women receiving retropubic normal saline vs lidocaine at time of midurethral sling placement. Differences in patient satisfaction will be compared using a Likert Scale. Patients will be asked to rate their satisfaction with surgery on a Likert scale (with 1 being the least satisfied and 5 being the most) at their 6 week postoperative follow up visit. The investigators hypothesize that women receiving normal saline for hydrodissection will have improved patient satisfaction as evidenced by higher Likert scores compared to those receiving lidocaine.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
QUADRUPLE
Study Groups
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0.5% lidocaine with epinephrine
On the day of surgery, the operating room pharmacist will prepare 20 cc of either study drug (0.5% lidocaine with epinephrine 1:200,000) or normal saline with epinephrine 1:200,000) in identical appearing 20cc syringes to be injected retropubically. Our group's routine clinical practice is to inject 20cc of 0.5% lidocaine with epinephrine 1:200,000 retropubically along the path of the midurethral sling trocars. Suburethral injection of local anesthestic will be performed at surgeon discretion. Surgical teams, anesthesia teams and patients will be blinded to allocation assignment. The investigational drug pharmacist will maintain the randomization sequence.
lidocaine with epinephrine
One of the most commonly used local anesthetic agents in surgical practice is lidocaine. Lidocaine as a local anesthetic is characterized by a rapid onset of action (typically within 2-5 minutes of injection) and intermediate duration of efficacy and thus is often favored in the outpatient setting for pre-incisional injections. Of note, however, its effects general only last up to 2 hours. Epinephrine (adrenaline) vasoconstricts arteries, delaying the resorption of lidocaine, and thus almost doubles the duration of anesthesia.
Normal saline with epinephrine
On the day of surgery, the operating room pharmacist will prepare 20 cc of either study drug (0.5% lidocaine with epinephrine 1:200,000) or normal saline with epinephrine 1:200,000) in identical appearing 20cc syringes to be injected retropubically. Our group's routine clinical practice is to inject 20cc of 0.5% lidocaine with epinephrine 1:200,000 retropubically along the path of the midurethral sling trocars. Suburethral injection of local anesthestic will be performed at surgeon discretion. Surgical teams, anesthesia teams and patients will be blinded to allocation assignment. The investigational drug pharmacist will maintain the randomization sequence.
Normal saline with epinephrine
Several mechanisms could explain the inability to void postoperatively, including nerve conduction impairment from anesthesia. Multiple studies have investigated the use of various types of anesthesia and downstream effects on postoperative urinary retention. It is postulated that denervating the regional pelvic nerves for pain control may lead to denervation of the bladder for a transient period of time, block both the afferent and efferent pathways of the voiding mechanism, affect the urethral retro-resistance pressure and impact urethral length thereby contributing to voiding dysfunction postoperatively. The use of normal saline in this setting may have a reduction in rates and duration of postoperative urinary retention following retropubic midurethral sling placement.
Interventions
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lidocaine with epinephrine
One of the most commonly used local anesthetic agents in surgical practice is lidocaine. Lidocaine as a local anesthetic is characterized by a rapid onset of action (typically within 2-5 minutes of injection) and intermediate duration of efficacy and thus is often favored in the outpatient setting for pre-incisional injections. Of note, however, its effects general only last up to 2 hours. Epinephrine (adrenaline) vasoconstricts arteries, delaying the resorption of lidocaine, and thus almost doubles the duration of anesthesia.
Normal saline with epinephrine
Several mechanisms could explain the inability to void postoperatively, including nerve conduction impairment from anesthesia. Multiple studies have investigated the use of various types of anesthesia and downstream effects on postoperative urinary retention. It is postulated that denervating the regional pelvic nerves for pain control may lead to denervation of the bladder for a transient period of time, block both the afferent and efferent pathways of the voiding mechanism, affect the urethral retro-resistance pressure and impact urethral length thereby contributing to voiding dysfunction postoperatively. The use of normal saline in this setting may have a reduction in rates and duration of postoperative urinary retention following retropubic midurethral sling placement.
Eligibility Criteria
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Inclusion Criteria
* English speaking
* Competent to give consent
Exclusion Criteria
* Planned spinal anesthesia for the procedure
* Planned concomitant prolapse repair other than anterior repair
* Preoperative voiding dysfunction as evidenced by a postvoid residual (PVR) of 150 mL or greater.
18 Years
99 Years
FEMALE
Yes
Sponsors
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AHN Research Institute
UNKNOWN
West Penn Allegheny Health System
OTHER
Responsible Party
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Lindsay Turner
MD Female Pelvic Medicine
Principal Investigators
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Lindsay Turner, MD
Role: PRINCIPAL_INVESTIGATOR
Department of Obstetrics and Gynecology, Allegheny Health Network
Locations
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AHN Bethel Park Health + Wellness Pavilion
Bethel Park, Pennsylvania, United States
AHN Jefferson Hospital
Jefferson Hills, Pennsylvania, United States
AHN West Penn Hospital
Pittsburgh, Pennsylvania, United States
AHN Wexford Health + Wellness Pavilion
Wexford, Pennsylvania, United States
Countries
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References
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ICOPE guidelines - World Health Organization. https://www.who.int/ageing/publications/guidelines-icope/en/
Duenas-Garcia OF, Patterson D, De la Luz Nieto M, Leung K, Flynn MK. Voiding Function After Midurethral Slings With and Without Local Anesthetic: Randomized Controlled Trial. Female Pelvic Med Reconstr Surg. 2017 Jan/Feb;23(1):56-60. doi: 10.1097/SPV.0000000000000343.
Bracken JN, Huffaker RK, Yandell PM, Handcock T, Higgins EW, Kuehl TJ, Shull BL. A randomized comparison of bupivacaine versus saline during placement of tension-free vaginal tape. Female Pelvic Med Reconstr Surg. 2012 Mar-Apr;18(2):93-6. doi: 10.1097/SPV.0b013e3182436655.
Nilsson CG, Kuuva N, Falconer C, Rezapour M, Ulmsten U. Long-term results of the tension-free vaginal tape (TVT) procedure for surgical treatment of female stress urinary incontinence. Int Urogynecol J Pelvic Floor Dysfunct. 2001;12 Suppl 2:S5-8. doi: 10.1007/s001920170003.
Nilsson CG, Falconer C, Rezapour M. Seven-year follow-up of the tension-free vaginal tape procedure for treatment of urinary incontinence. Obstet Gynecol. 2004 Dec;104(6):1259-62. doi: 10.1097/01.AOG.0000146639.62563.e5.
Mazloomdoost D, Pauls RN, Hennen EN, Yeung JY, Smith BC, Kleeman SD, Crisp CC. Liposomal bupivacaine decreases pain following retropubic sling placement: a randomized placebo-controlled trial. Am J Obstet Gynecol. 2017 Nov;217(5):598.e1-598.e11. doi: 10.1016/j.ajog.2017.07.001. Epub 2017 Jul 8.
Nicolle LE. Catheter associated urinary tract infections. Antimicrob Resist Infect Control. 2014 Jul 25;3:23. doi: 10.1186/2047-2994-3-23. eCollection 2014.
Balakrishnan K, Ebenezer V, Dakir A, Kumar S, Prakash D. Bupivacaine versus lignocaine as the choice of locall anesthetic agent for impacted third molar surgery a review. J Pharm Bioallied Sci. 2015 Apr;7(Suppl 1):S230-3. doi: 10.4103/0975-7406.155921.
Petros PE, Ulmsten UI. An integral theory of female urinary incontinence. Experimental and clinical considerations. Acta Obstet Gynecol Scand Suppl. 1990;153:7-31. doi: 10.1111/j.1600-0412.1990.tb08027.x.
Duckett JR, Patil A, Papanikolaou NS. Predicting early voiding dysfunction after tension-free vaginal tape. J Obstet Gynaecol. 2008 Jan;28(1):89-92. doi: 10.1080/01443610701811837.
Choi S, Mahon P, Awad IT. Neuraxial anesthesia and bladder dysfunction in the perioperative period: a systematic review. Can J Anaesth. 2012 Jul;59(7):681-703. doi: 10.1007/s12630-012-9717-5. Epub 2012 Apr 26.
Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Document Type: Informed Consent Form
Other Identifiers
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Retropubic Lidocaine vs Saline
Identifier Type: -
Identifier Source: org_study_id
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