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Kadah S, Soh SE, Morin M, Schneider M, Ang WC, McPhate L, Frawley H. Are pelvic pain and increased pelvic floor muscle tone associated in women with persistent noncancer pelvic pain? A systematic review and meta-analysis. J Sex Med 2023; 20:1206-1221. [PMID: 37507352 DOI: 10.1093/jsxmed/qdad089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 05/23/2023] [Accepted: 06/14/2023] [Indexed: 07/30/2023]
Abstract
BACKGROUND The association between pelvic pain and pelvic floor muscle (PFM) tone in women with persistent noncancer pelvic pain (PNCPP) is unclear. AIM To synthesize the evidence of the association between pelvic pain and PFM tone in women with PNCPP. METHODS A systematic review was conducted via MEDLINE, Emcare, Embase, CINAHL, PsycINFO, and Scopus to identify relevant studies. Studies were eligible if pelvic pain and PFM tone outcome measures were reported among women aged >18 years. The National Heart, Lung, and Blood Institute's Quality Assessment Tool for Observational Cohort and Cross-sectional Studies was used to assess study quality. Studies were pooled by assessment of PFM tone via a random effects model. Associations between the presence of pelvic pain and PFM tone were assessed with odds ratio (OR), while linear associations were assessed with Pearson or Spearman correlation. OUTCOMES Pelvic pain measures (intensity, threshold, and frequency) and resting PFM tone in women with PNCPP, as evaluated by any clinical assessment method or tool. RESULTS Twenty-four studies were included in this review. The presence of pelvic pain was significantly associated with increased PFM tone as assessed by digital palpation (OR, 2.85; 95% CI, 1.66-4.89). Pelvic pain intensity was inversely but weakly associated with PFM flexibility when evaluated through dynamometry (r = -0.29; 95% CI, -0.42 to -0.17). However, no significant associations were found between pelvic pain and PFM tone when measured with other objective assessment methods. CLINICAL IMPLICATIONS Pelvic pain and increased PFM tone may not be directly associated; alternatively, a nonlinear association may exist. A range of biopsychosocial factors may mediate or moderate the association, and clinicians may need to consider these factors when assessing women with PNCPP. STRENGTHS AND LIMITATIONS This review was reported according to the PRISMA guidelines. All possible findings from relevant theses and conference abstracts were considered in our search. However, nonlinear associations between pelvic pain and increased PFM tone were not assessed as part of this review. CONCLUSION Pelvic pain may be linearly associated with increased PFM tone and decreased PFM flexibility when measured with digital palpation or dynamometry; however, this association was not observed when other aspects of PFM tone were assessed through objective methods. Future studies are required using robust assessment methods to measure PFM tone and analyses that account for other biopsychosocial factors that may influence the association.
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Affiliation(s)
- Shaza Kadah
- Department of Physiotherapy, Monash University, Melbourne, Victoria 3199, Australia
- Department of Physical Therapy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Sze-Ee Soh
- Department of Physiotherapy, Monash University, Melbourne, Victoria 3199, Australia
| | - Melanie Morin
- School of Rehabilitation Faculty of Medicine and Health Sciences, University of Sherbrooke, Sherbrooke, Québec J1K2R1, Canada
| | - Michal Schneider
- Department of Medical Imaging and Radiation Sciences, Monash University, Melbourne, Victoria 3800, Australia
| | - W Catarina Ang
- Women's Health Services, Royal Women's Hospital, Melbourne, Victoria 3052 Australia
- Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria 3010, Australia
| | - Lucy McPhate
- Department of General Medicine, The Royal Melbourne Hospital, Melbourne, Australia
| | - Helena Frawley
- Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria 3010, Australia
- Allied Health Research, The Royal Women's Hospital, Melbourne, Victoria 3052 Australia
- Allied Health Research, Mercy Hospital for Women, Melbourne, Victoria 3084, Australia
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Frawley H, Shelly B, Morin M, Bernard S, Bø K, Digesu GA, Dickinson T, Goonewardene S, McClurg D, Rahnama'i MS, Schizas A, Slieker-Ten Hove M, Takahashi S, Voelkl Guevara J. An International Continence Society (ICS) report on the terminology for pelvic floor muscle assessment. Neurourol Urodyn 2021; 40:1217-1260. [PMID: 33844342 DOI: 10.1002/nau.24658] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 02/17/2021] [Indexed: 12/14/2022]
Abstract
INTRODUCTION The terminology for female and male pelvic floor muscle (PFM) assessment has expanded considerably since the first PFM function and dysfunction standardization of terminology document in 2005. New terms have entered assessment reports, and new investigations to measure PFM function and dysfunction have been developed. An update of this terminology was required to comprehensively document the terms and their definitions, and to describe the assessment method and interpretation of the finding, to standardize assessment procedures and aid diagnostic decision making. METHODS This report combines the input of members of the Standardisation Committee of the International Continence Society (ICS) Working Group 16, with contributions from recognized experts in the field and external referees. A logical, sequential, clinically directed assessment framework was created against which the assessment process was mapped. Within categories and subclassifications, each term was assigned a numeric coding. A transparent process of 12 rounds of full working group and external review was undertaken to exhaustively examine each definition, plus additional extensive internal development, with decision making by collective opinion (consensus). RESULTS A Terminology Report for the symptoms, signs, investigations, and diagnoses associated with PFM function and dysfunction, encompassing 185 separate definitions/descriptors, has been developed. It is clinically based with the most common assessment processes defined. Clarity and user-friendliness have been key aims to make it interpretable by clinicians and researchers of different disciplines. CONCLUSION A consensus-based Terminology Report for assessment of PFM function and dysfunction has been produced to aid clinical practice and be a stimulus for research.
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Affiliation(s)
- Helena Frawley
- School of Health Sciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Beth Shelly
- Beth Shelly Physical Therapy, Moline, Illinois, USA.,Department of Physical Therapy, Saint Ambrose University Davenport, Iowa, USA
| | - Melanie Morin
- School of Rehabilitation Faculty of Medecine and Health Sciences, University of Sherbrooke, Sherbrooke, Québec, Canada
| | - Stéphanie Bernard
- Department of Rehabilitation, Faculté de Médecine, Université Laval, Québec, Quebec, Canada
| | - Kari Bø
- Department of Sports Medicine, Norwegian School of Sports Sciences, Akershus University Hospital, Oslo, Norway.,Department of Obstetrics and Gynecology, Lørenskog, Norway
| | - Giuseppe Alessandro Digesu
- Academic Department of Obstetrics and Gynaecology, St. Mary's Hospital, Queen Charlotte's and Chelsea Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - Tamara Dickinson
- Harold C. Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, Texas, USA
| | | | - Doreen McClurg
- Nursing, Midwifery and Allied Health Professions Research Unit, Glasgow Caledonian University, Glasgow, Scotland, UK
| | - Mohammad S Rahnama'i
- Uniklinik RWTH, University Hospital of Aachen, Aachen, Germany.,Society of Urological Research and Education (SURE), Heerlen, The Netherlands
| | - Alexis Schizas
- Department of Colorectal Surgery, Guy's and St. Thomas NHS Foundation Trust, London, UK
| | - Marijke Slieker-Ten Hove
- Department Gynaecology, University of Erasmus, Rotterdam, The Netherlands.,Pelvic Floor Physiotherapy, ProFundum Instituut, Dordrecht, The Netherlands
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Gruenwald I, Gutzeit O, Petruseva A, Gartman I, Lowenstein L. Low-Intensity Shockwave for Treatment of Vestibulodynia: A Randomized Controlled Therapy Trial. J Sex Med 2021; 18:347-352. [PMID: 33419704 DOI: 10.1016/j.jsxm.2020.11.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 11/19/2020] [Accepted: 11/20/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND Provoked vestibulodynia (PVD) is an exhausting pain syndrome that immensely affects quality of sexual life and consequently negatively affects quality of life. Low-intensity shock wave therapy produces physical forces that lead to pain relief. AIM The aim of this study was to evaluate the feasibility, safety, and efficacy of low-intensity shockwave therapy in patients with provoked vestibulodynia. METHODS This is a double-blinded, randomized, sham-controlled, prospective study of 32 women. The treatment protocol included a series of treatments, performed twice a week for 6 weeks. Each treatment consisted of 500 pulses of low intensity shockwaves (0.09 mJmm2) using the Medispec, ED-1000 shockwave generator or sham. Participants were assessed at the baseline, and at 1 and 3 months after completing all treatments. OUTCOMES Pain was assessed by both subjective and objective measures. The primary outcome was a change in dyspareunia, as assessed by scores on the 10-point visual analog scale. Secondary outcome measures were changes in pain threshold and tolerance, assessed by a quantitative validated algometer test, the Wong-Baker pain FACES scale, the Female Sexual Function Index and the Patients' Global Impression of Change scale. RESULTS From the baseline to 1 month and 3 months after completion of treatment, visual analog scale scores for dyspareunia decreased (8.0 ± 1.4, 5.7 ± 2.3, and 4.4 ± 2.5, respectively, P < .005). For these respective time points, Wong-Baker scores decreased (4.0 ± 0.6, 2.9 ± 1.2, 2.5 ± 1.3, respectively, P < .05); and total Female Sexual Function Index increased (17.9 ± 6.3, 20.9 ± 6.2, 22.5 ± 8, respectively, P < .002). Pain threshold and tolerance measured by the algometer were increased 3 months after completion of the treatment compared with the baseline (69.8 mmHg ± 11.8 vs 22.9 mmHg ± 9.0, P < .01 and 87.7 mmHg ± 35.7 vs 43.3 mmHg ± 14.7, P < .0001, respectively). No changes were observed in any of the measures assessed in the sham group. CLINICAL IMPLICATIONS We found a new effective treatment for alleviating the most bothersome symptom in PVD, pain during penetration and intercourse. This resulted in improved sexual function. STRENGTHS & LIMITATIONS The strengths of this study are the randomized controlled design, the correlated subjective questionnaires, and the use of semiquantitative algometer methodology. The limitations are the relative low number of participants in a single center. CONCLUSION For women with PVD, low-intensity shockwave therapy applied at the introitus is a feasible, safe, and effective treatment option that may have a beneficial effect in pain relief and in sexual function. Gruenwald I, Gutzeit O, Petruseva A, et al. Low-Intensity Shockwave for Treatment of Vestibulodynia: A Randomized Controlled Therapy Trial. J Sex Med 2021;18:347-352.
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Affiliation(s)
- Ilan Gruenwald
- Neuro-Urology Unit, Rambam Medical Center and the Technion, Faculty of Medicine, Haifa, Israel
| | - Ola Gutzeit
- Department of Obstetrics and Gynecology, Rambam Health Care Campus, Haifa, Israel; Ruth and Bruce Rappaport Faculty of Medicine, Technion- Israel Institute of Technology, Haifa, Israel.
| | - Anna Petruseva
- Neuro-Urology Unit, Rambam Medical Center and the Technion, Faculty of Medicine, Haifa, Israel; Department of Obstetrics and Gynecology, Rambam Health Care Campus, Haifa, Israel; Ruth and Bruce Rappaport Faculty of Medicine, Technion- Israel Institute of Technology, Haifa, Israel
| | - Irena Gartman
- Neuro-Urology Unit, Rambam Medical Center and the Technion, Faculty of Medicine, Haifa, Israel
| | - Lior Lowenstein
- Department of Obstetrics and Gynecology, Rambam Health Care Campus, Haifa, Israel; Ruth and Bruce Rappaport Faculty of Medicine, Technion- Israel Institute of Technology, Haifa, Israel
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Davenport RB, Voutier CR, Veysey EC. Outcome Measurement Instruments for Provoked Vulvodynia: A Systematic Review. J Low Genit Tract Dis 2018; 22:396-404. [PMID: 30059352 DOI: 10.1097/lgt.0000000000000418] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE The objective of this study was to detail the outcome measurement instruments used in randomized control trials and observational studies investigating therapeutic interventions for provoked vulvodynia. MATERIALS AND METHODS We searched Ovid Medline, Embase, Emcare, and PyschINFO libraries from database inception through April 2017. We included randomized control trials and observational studies of provoked vulvodynia that used instruments to measure the outcome of therapeutic interventions. RESULTS A total of 2299 articles were retrieved and 25 were eligible for inclusion in accordance with the selection criteria. The included studies measured 26 different outcomes, using 110 outcome measurement instruments. Patient-reported outcomes were most commonly measured (144/166, 86%), followed by physician-reported outcomes (20/166, 12%). The most commonly measured outcomes were patient-reported psychological impact of disease (27/166, 16%), patient-reported improvement in dyspareunia (25/166, 15%), and patient-reported reduction in pain (24/166, 14%). The Pain Catastrophizing Scale, the Beck Depression Inventory, and the State Trait Anxiety Questionnaire were the most commonly used instruments to measure psychological impact.The most commonly measured clinician-rated outcome was an improvement in pain (17/166, 10%), which was most frequently assessed by the cotton swab test. Only 34 (31%) outcome measurement instruments were specific to vulvodynia (26/110, 23%) or sexual functioning (8/110, 7%). CONCLUSIONS There is a wide range of outcome measurement instruments used in provoked vulvodynia studies, resulting in inconsistency of reporting and difficulty in comparing and combining findings for systemic review. There is a pressing need for the development of validated, reliable instruments and consensus on a core outcome set for further research purposes.
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Affiliation(s)
- Rachael B Davenport
- Dermatology Department, The Royal Women's Hospital, Parkville, Victoria, Australia
| | - Catherine R Voutier
- Health Sciences Library, The Royal Melbourne Hospital, Parkville, Victoria, Australia
| | - Emma C Veysey
- Dermatology Department, The Royal Women's Hospital, Parkville, Victoria, Australia
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Passavanti MB, Pota V, Sansone P, Aurilio C, De Nardis L, Pace MC. Chronic Pelvic Pain: Assessment, Evaluation, and Objectivation. PAIN RESEARCH AND TREATMENT 2017; 2017:9472925. [PMID: 29359045 PMCID: PMC5735788 DOI: 10.1155/2017/9472925] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 10/06/2017] [Accepted: 10/15/2017] [Indexed: 12/20/2022]
Abstract
Chronic Pelvic Pain (CPP) and Chronic Pelvic Pain Syndrome (CPPS) have a significant impact on men and women of reproductive and nonreproductive age, with a considerable burden on overall quality of life (QoL) and on psychological, functional, and behavioural status. Moreover, diagnostic and therapeutic difficulties are remarkable features in many patients. Therefore evaluation, assessment and objectivation tools are often necessary to properly address each patient and consequently his/her clinical needs. Here we review the different tools for pain assessment, evaluation, and objectivation; specific features regarding CPP/CPPS will be highlighted. Also, recent findings disclosed with neuroimaging investigations will be reviewed as they provide new insights into CPP/CPPS pathophysiology and may serve as a tool for CPP assessment and objectivation.
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Affiliation(s)
- Maria Beatrice Passavanti
- Department of Woman, Child, General and Specialized Surgery, University of Campania L. Vanvitelli, Naples, Italy
| | - Vincenzo Pota
- Department of Woman, Child, General and Specialized Surgery, University of Campania L. Vanvitelli, Naples, Italy
| | - Pasquale Sansone
- Department of Woman, Child, General and Specialized Surgery, University of Campania L. Vanvitelli, Naples, Italy
| | - Caterina Aurilio
- Department of Woman, Child, General and Specialized Surgery, University of Campania L. Vanvitelli, Naples, Italy
| | - Lorenzo De Nardis
- Department of Woman, Child, General and Specialized Surgery, University of Campania L. Vanvitelli, Naples, Italy
| | - Maria Caterina Pace
- Department of Woman, Child, General and Specialized Surgery, University of Campania L. Vanvitelli, Naples, Italy
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Morin A, Léonard G, Gougeon V, Cyr MP, Waddell G, Bureau YA, Girard I, Morin M. Efficacy of transcranial direct-current stimulation in women with provoked vestibulodynia. Am J Obstet Gynecol 2017; 216:584.e1-584.e11. [PMID: 28302387 DOI: 10.1016/j.ajog.2017.02.049] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Revised: 01/29/2017] [Accepted: 02/25/2017] [Indexed: 12/26/2022]
Abstract
BACKGROUND Provoked vestibulodynia is a highly prevalent condition characterized by acute recurrent pain located at the vaginal entrance in response to pressure application or attempted vaginal penetration. Despite a wide variety of treatments offered to women with provoked vestibulodynia, a high proportion of women are refractory to conventional treatment. Transcranial direct-current stimulation is a noninvasive brain stimulation technique that has been shown effective for improving various chronic pain conditions. Growing evidence suggests that the central nervous system could play a key role in provoked vestibulodynia. Targeting the central nervous system could therefore be a promising treatment for women with provoked vestibulodynia. OBJECTIVE The purpose of this study was to evaluate and compare the efficacy of active and sham transcranial direct-current stimulation in reducing pain intensity during intercourse in patients with provoked vestibulodynia. STUDY DESIGN We conducted a triple-blind, parallel-group, randomized controlled trial. Women aged 17-45 years diagnosed with provoked vestibulodynia by a gynecologist using a validated protocol were randomized to 10 sessions of either active transcranial direct-current stimulation (intensity = 2 mA) or 10 sessions of sham transcranial direct-current stimulation, over a 2-week period. Both active and sham transcranial direct-current stimulation were applied for 20 minutes, with the anode positioned over the primary motor cortex, and the cathode over the contralateral supraorbital area. Outcome measures were collected at baseline, 2 weeks after treatment, and at 3-month follow-up by an evaluator blinded to group assignment. The primary objective was to assess pain intensity during intercourse, using a numerical rating scale. Secondary outcomes focused on sexual function and distress, vestibular sensitivity, psychological distress, treatment satisfaction, and patient impression of change. Statistical analyses were conducted on the intention-to-treat basis, and treatment effects were evaluated using a mixed linear model for repeated measures. RESULTS A total of 40 patients were randomly assigned to receive either active (n = 20) or sham (n = 20) transcranial direct-current stimulation treatments from November 2014 through February 2016. Baseline characteristics were similar between the active and sham transcranial direct-current stimulation groups. In full compliance with the study protocol, every participant followed all courses of the study treatment, including assessments at 2-week and 3-month follow-up. Pain during sexual intercourse was not significantly different between active and sham treatment groups 2 weeks after treatment (P = .84) and at follow-up (P = .09). Mean baseline and 2-week assessment pain intensity were, respectively, 6.8 (95% confidence interval, 5.9-7.7) and 5.6 (95% confidence interval, 4.7-6.5) for active transcranial direct-current stimulation (P = .03) vs 7.5 (95% confidence interval, 6.6-8.4) and 5.7 (95% confidence interval, 4.8-6.6) for sham transcranial direct-current stimulation (P = .001). Nonsignificant differences between the 2 groups were also found in their sexual function and distress after treatment (P > .20) and at follow-up (P > .10). Overall, at 2-week assessment 68% assigned to active transcranial direct-current stimulation reported being very much, much, or slightly improved compared to 65% assigned to sham transcranial direct-current stimulation (P = .82), and still comparable at follow-up: 42% vs 65%, respectively (P = .15). CONCLUSION Findings suggest that active transcranial direct-current stimulation is not more effective than sham transcranial direct-current stimulation for reducing pain in women with provoked vestibulodynia. Likewise, no significant effects were found on sexual function, vestibular sensitivity, or psychological distress.
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Morin A, Léonard G, Gougeon V, Waddell G, Bureau YA, Girard I, Morin M. Efficacy of transcranial direct-current stimulation (tDCS) in women with provoked vestibulodynia: study protocol for a randomized controlled trial. Trials 2016; 17:243. [PMID: 27179944 PMCID: PMC4867997 DOI: 10.1186/s13063-016-1366-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Accepted: 04/29/2016] [Indexed: 12/31/2022] Open
Abstract
Background Provoked vestibulodynia is the most common form of vulvodynia. Despite its high prevalence and deleterious sexual, conjugal, and psychological repercussions, effective evidence-based interventions for provoked vestibulodynia remain limited. For a high proportion of women, significant pain persists despite the currently available treatments. Growing evidence suggests that the central nervous system (CNS) could play a key role in provoked vestibulodynia; thus, treatment targeting the CNS, rather than localized dysfunctions, may be beneficial for women suffering from provoked vestibulodynia. In this study, we aim to build on the promising results of a previous case report and evaluate whether transcranial direct-current stimulation, a non-invasive brain stimulation technique targeting the CNS, could be an effective treatment option for women with provoked vestibulodynia. Methods/design This single-center, triple-blind, parallel group, randomized, controlled trial aims to compare the efficacy of transcranial direct-current stimulation with sham transcranial direct-current stimulation in women with provoked vestibulodynia. Forty women diagnosed with provoked vestibulodynia by a gynecologist, following a standardized treatment protocol, are randomized to either active transcranial direct-current stimulation treatment for ten sessions of 20 minutes at an intensity of 2 mA or sham transcranial direct-current stimulation over a 2-week period. Outcome measures are collected at baseline, 2 weeks after treatment and at 3-month follow-up. The primary outcome is pain during intercourse, assessed with a numerical rating scale. Secondary measurements focus on the sexual function, vestibular pain sensitivity, psychological distress, treatment satisfaction, and the patient’s global impression of change. Discussion To our knowledge, this study is the first randomized controlled trial to examine the efficacy of transcranial direct-current stimulation in women with provoked vestibulodynia. Findings from this trial are expected to provide significant information about a promising intervention targeting the centralization of pain in women with provoked vestibulodynia. Trial registration Clinicaltrials.gov, NCT02543593. Registered on September 4, 2015. Electronic supplementary material The online version of this article (doi:10.1186/s13063-016-1366-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Annie Morin
- School of Rehabilitation, Faculty of Medicine and Health Sciences, Université de Sherbrooke, 3001 12th Avenue North, Sherbrooke, Québec, Canada
| | - Guillaume Léonard
- School of Rehabilitation, Faculty of Medicine and Health Sciences, Université de Sherbrooke, 3001 12th Avenue North, Sherbrooke, Québec, Canada
| | - Véronique Gougeon
- School of Rehabilitation, Faculty of Medicine and Health Sciences, Université de Sherbrooke, 3001 12th Avenue North, Sherbrooke, Québec, Canada
| | - Guy Waddell
- Department of Obstetrics Gynecology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, 3001 12th Avenue North, Sherbrooke, Québec, Canada
| | - Yves-André Bureau
- Department of Obstetrics Gynecology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, 3001 12th Avenue North, Sherbrooke, Québec, Canada
| | - Isabelle Girard
- Department of Obstetrics Gynecology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, 3001 12th Avenue North, Sherbrooke, Québec, Canada
| | - Mélanie Morin
- School of Rehabilitation, Faculty of Medicine and Health Sciences, Université de Sherbrooke, 3001 12th Avenue North, Sherbrooke, Québec, Canada.
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