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Obstetric anal sphincter injury

K Kuismanen, K Nieminen, K Karjalainen, K Lehto, J Uotila
BACKGROUND: The aim of the present study was to evaluate the subjective outcome of primary repair of obstetric anal sphincter injury (OASIS) at 6 months, the factors associated with the symptoms of anal incontinence (AI), and the role of a simple survey consisting in one question with three answer choices, combined with the Wexner incontinence score for the assessment of this patient population. METHODS: A retrospective cohort study was conducted on patients with third- or fourth-degree OASIS operated on between January 2007 and December 2013 inclusive at Tampere University Hospital, Finland...
March 15, 2018: Techniques in Coloproctology
Marie-Louise Marschalek, Christof Worda, Lorenz Kuessel, Heinz Koelbl, Willi Oberaigner, Hermann Leitner, Julian Marschalek, Heinrich Husslein
BACKGROUND: In view of the reported increase in obstetric anal sphincter injuries, the objective of this study was to evaluate the incidence of such injuries over time and the associated risk and protective factors. METHODS: This was a retrospective cohort study from a national database of 168 137 primiparous women with term, singleton, cephalic, vaginal delivery between 2008 and 2014. The main outcome measure was obstetric anal sphincter injury. A multivariate regression model was used to identify risk and protective factors...
March 14, 2018: Birth
Maria Lindqvist, Margareta Persson, Margareta Nilsson, Eva Uustal, Inger Lindberg
OBJECTIVE: this study explores women's experiences of the first two months after obstetric anal sphincter injury (OASIS) during childbirth with a focus on problematic recovery. METHODS: this qualitative study used inductive qualitative content analysis to investigate open-ended responses from 1248 women. The data consists of short and comprehensive written responses to open-ended questions focusing on recovery in the national quality register, the Perineal Laceration Register, two months after OASIS at childbirth...
February 20, 2018: Midwifery
Bertrand Gachon, Marion Desgranges, Laetitia Fradet, Arnaud Decatoire, Florian Poireault, Fabrice Pierre, Xavier Fritel, David Desseauve
INTRODUCTION AND HYPOTHESIS: Increased ligamentous laxity is associated with pelvic floor distension in pregnant women. This considered, it may also be related to the risk of obstetric anal sphincter injury (OASI). Our objective was to assess the association among increased ligamentous laxity, perineal tear severity, and OASI occurrence. METHODS: This is a prospective study. We assessed ligamentous laxity between the 36th week of pregnancy and the onset of labor, by measuring the passive extension of the nondominant index finger for a 0...
March 7, 2018: International Urogynecology Journal
Hege Hølmo Johannessen, Signe Nilssen Stafne, Ragnhild Sørum Falk, Arvid Stordahl, Arne Wibe, Siv Mørkved
INTRODUCTION AND HYPOTHESIS: Urinary (UI) and anal incontinence (AI) are common pelvic floor disorders (PFD), and postpartum women experiencing double incontinence (DI), the combination of UI and AI, tend to have more severe symptoms and a greater impact on quality of life. Our objective was to investigate the prevalence and predictors of postpartum DI and UI alone 1 year after first delivery. METHODS: In this prospective cohort study, 976 women reported the prevalence of DI and UI alone 1 year after their first delivery in one of two hospitals in Norway using the St Marks score and the ICI-Q UI SF...
March 2, 2018: International Urogynecology Journal
X Fritel, B Gachon, D Desseauve, T Thubert
Our main objectives were to identify risk factors, methods for early diagnosis, and prevention of obstetric anal sphincter injuries (OASIs), using a literature review. The main risk factors for OASIs are nulliparity, instrumental delivery, posterior presentation, median episiotomy, prolonged second phase of labor and fetal macrosomia. Asian origin, short ano-vulvar distance, ligamentous hyperlaxity, lack of expulsion control, non-visualization of the perineum or maneuvers for shoulder dystocia also appear to be risk factors...
February 27, 2018: Gynecologie, Obstetrique, Fertilite & Senologie
Jouko Pirhonen, Ellen Samuelsson, Tiina Pirhonen, Anders Odeback, Mika Gissler
OBJECTIVE: To estimate the ability of an intensive interventional program to decrease the number of obstetric anal sphincter injuries (OASIS), while simultaneously decreasing the rate of Caesarean sections (CS). STUDY DESIGN: The intervention, which aimed at decreasing the number of OASIS, started with a compulsory tutorial for all the midwives and physicians. At the same time, the clinic initiated a program to decrease the number of CS. We compared the outcomes before and after the intervention by calculating the risk ratios with 95% confidence intervals...
February 21, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
Vita Začesta, Dace Rezeberga, Haralds Plaudis, Kristina Drusany-Staric, Corrado Cescon
INTRODUCTION AND HYPOTHESIS: Mediolateral episiotomy is one of the most frequent surgical interventions performed in obstetrics. There is conflicting evidence as to whether mediolateral episiotomy reduces the risk of obstetric anal sphincter injuries (OASI). Recent studies suggest that functional asymmetry of pelvic floor innervation exists in healthy women and is strongly associated with postpartum incontinence when the trauma occurs on the dominant side of innervation. Mediolateral episiotomy is the most common cause of perineal trauma during delivery, and the surgical incision is usually performed on the mediolateral right side...
February 26, 2018: International Urogynecology Journal
Jennifer Yeung, Anna Stecher, Catrina C Crisp, Donna Mazloomdoost, Benjamin Smith, Steven D Kleeman, Rachel N Pauls
OBJECTIVES: Obstetric anal sphincter injuries (OASISs) are a devastating postpartum complication; reducing rates is paramount to improving quality of care. In Norway, implementation of a perineal protection program decreased the incidence of OASIS by 48%. We sought to assess impact on OASIS rates following a similar program. METHODS: This institutional review board-approved, retrospective cohort study was performed in an academic hospital system. The periods of analysis were November 2014 through October 2015 for the preintervention arm and November 2015 through October 2016 for the postintervention arm...
March 2018: Female Pelvic Medicine & Reconstructive Surgery
Susan A Barr, Catrina C Crisp, Amanda B White, Shazia A Malik, Kimberly Kenton
OBJECTIVE: The aims of this study are to identify screening, treatment, and referral practices of primary care physicians (PCPs) for patients with pelvic floor disorders (PFDs) and evaluate awareness of the Female Pelvic Medicine and Reconstructive Surgery (FPMRS) subspecialty. METHODS: We conducted a cross-sectional survey of PCPs using a random sample of 1005 American College of Physicians members, stratified by demographic region. Electronic survey content included awareness of FPMRS certification, comfort diagnosing and treating PFDs, and PFD referral patterns for PCPs...
March 2018: Female Pelvic Medicine & Reconstructive Surgery
Pina Amin, Summia Zaher, Richard Penketh, Sobha Cherian, Rachel E Collis, Julia Sanders, Kiron Bhal
OBJECTIVE: To evaluate caesarean section (CS) rates and moderate to severe hypoxaemic ischaemic encephalopathy (HIE) rates with other core intra-partum outcomes following reconfiguration of maternity services in Cardiff, South Wales, UK. DESIGN: Cohort study of births from 2006 to 2015. SETTINGS: A University tertiary referral centre for foetal and maternal medicine with 6000 births/year, University Hospital of Wales, United Kingdom. METHOD: Data relating to births from 1 January 2006 to 31 December 2015 were extracted from the computerized maternity database on a yearly basis...
February 19, 2018: Journal of Maternal-fetal & Neonatal Medicine
Melanie R Meister, Joshua I Rosenbloom, Jerry L Lowder, Alison G Cahill
Importance: Obstetric anal sphincter injuries (OASISs) complicate up to 11% of vaginal deliveries; obstetricians must be able to recognize and manage these technically challenging injuries. Objective: The aim of this study was to share our approach for management of these challenging complications of childbirth based on a multidisciplinary collaboration between general obstetrician-gynecologists, maternal fetal medicine specialists, and female pelvic medicine and reconstructive surgeons established at our institution...
January 2018: Obstetrical & Gynecological Survey
Anna Seijmonsbergen-Schermers, Ank de Jonge, Thomas van den Akker, Katrien Beeckman, Annick Bogaerts, Monalisa Barros, Patricia Janssen, Lorena Binfa, Eva Rydahl, Lucy Frith, Mechthild Gross, Berglind Hálfdánsdóttir, Deirdre Daly, Jean Calleja-Agius, Patricia Gillen, Anne Britt Vika Nilsen, Eugene Declercq
INTRODUCTION: There are growing concerns about the increase in rates of commonly used childbirth interventions. When indicated, childbirth interventions are crucial for preventing maternal and perinatal morbidity and mortality, but their routine use in healthy women and children leads to avoidable maternal and neonatal harm. Establishing ideal rates of interventions can be challenging. This study aims to describe the range of variations in the use of commonly used childbirth interventions in high-income countries around the world, and in outcomes in nulliparous and multiparous women...
January 10, 2018: BMJ Open
Olga Ramm, Victoria G Woo, Yun-Yi Hung, Hsuan-Chih Chen, Miranda L Ritterman Weintraub
OBJECTIVE: To characterize the rate of obstetric anal sphincter injuries and identify key risk factors of obstetric anal sphincter injuries, including duration of the second stage of labor. METHODS: This retrospective cohort study included all singleton, term, cephalic vaginal deliveries within Kaiser Permanente Northern California between January 2013 and December 2014 (N=22,741). Incidence of obstetric anal sphincter injuries, defined as third- or fourth-degree perineal lacerations, was the primary outcome...
February 2018: Obstetrics and Gynecology
Emma Long, Swati Jha
PURPOSE: A common indication for elective caesarean is previous obstetric anal sphincter injury (OASI). This study aims to identify factors that influence womens' preferences regarding mode of delivery (MoD) in a subsequent pregnancy following an OASI. METHODS: 100 consecutive women who sustained an OASI completed a questionnaire when attending postnatal follow up at a perineal trauma clinic. They also completed ePAQ-PF to assess pelvic floor symptoms. Data was collated and percentages generated for each response...
December 8, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
Constantin M Durnea, Ali E Jaffery, Nivedita Gauthaman, Stergios K Doumouchtsis
OBJECTIVE: To investigate the association between perineal trauma at childbirth and maternal body mass index (BMI), and estimate the risk of perineal trauma among different BMI groups. METHODS: Data were retrospectively assessed from all vaginal deliveries in a UK tertiary maternity unit between 1999 and 2014. Associations between BMI at booking and first- and second-degree tears (minor perineal trauma), third- and fourth-degree tears (obstetric anal sphincter injuries [OASIS]), and frequency of instrumental deliveries were assessed...
November 27, 2017: International Journal of Gynaecology and Obstetrics
Sallie Oliphant, Timothy Canavan, Stacy Palcsey, Leslie Meyn, Pamela Moalli
BACKGROUND: Parity is the greatest risk factor for the development of pelvic organ prolapse. The normally supported vagina is pulled up and back over the levator ani. Loss of vaginal angulation has been associated with prolapse and may represent injury to the vaginal supportive tissues. OBJECTIVE: We proposed and examined the following hypotheses: (1) pregnancy and delivery impact vaginal support, leading to loss of vaginal angle; (2) vaginal angulation is restored postpartum; and (3) uncomplicated vaginal delivery (VD) is associated with accelerated remodeling of the vaginal fibrillar matrix...
February 2018: American Journal of Obstetrics and Gynecology
Hanna Jangö, Jens Langhoff-Roos, Susanne Rosthøj, Abelone Saske
BACKGROUND: Anal incontinence is a major concern following delivery with obstetric anal sphincter injury (OASIS), and has been related to the degree of sphincter tear. OBJECTIVE: The aims of this study were (1) to evaluate whether women with a fourth-degree OASIS in the first delivery have an increased risk of long-term anal and fecal incontinence after a second delivery, and (2) to assess the impact of mode of second delivery on anal incontinence and related symptoms in these patients...
February 2018: American Journal of Obstetrics and Gynecology
Amanda Williams, Beverly Gonzalez, Colleen Fitzgerald, Cynthia Brincat
OBJECTIVES: The aim of the study was o determine whether variations exist between races/ethnicities in perineal laceration at first vaginal delivery. METHODS: We assessed first vaginal deliveries greater than 35 weeks gestation, for a four-year period, in our diverse urban healthcare system. Predictor variable was race/ethnicity with outcome variable of none, first-, second-, third-, or fourth-degree perineal laceration. Race and ethnicity were self-reported and combined into one variable to facilitate analysis...
November 7, 2017: Female Pelvic Medicine & Reconstructive Surgery
(no author information available yet)
Objective  To determine whether being upright in the second stage of labour in nulliparous women with a low dose epidural increases the chance of spontaneous vaginal birth compared with lying down. Design  Multicentre pragmatic individually randomised controlled trial. Setting  41 UK hospital labour wards. Participants  3093 nulliparous women aged 16 or older, at term with a singleton cephalic presentation and in the second stage of labour with epidural analgesia. Interventions  Women were allocated to an upright or lying down position, using a secure web based randomisation service, stratified by centre, with no masking of participants or clinicians to the trial interventions...
October 18, 2017: BMJ: British Medical Journal
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