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Perrin A, Korb D, Morgan R, Sibony O. Effectiveness of episiotomy to prevent OASIS in nulliparous women at term. Int J Gynaecol Obstet 2023. [PMID: 36728572 DOI: 10.1002/ijgo.14706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 01/26/2023] [Accepted: 02/01/2023] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To assess the association between episiotomy and severe obstetric anal sphincter injury (OASIS) in nulliparous women at term according to the use of an instrument for delivery with control confounding by indication. METHODS This was an observational retrospective cohort study including 12 346 women from 2004 to 2020. All nulliparous women with a cephalic singleton pregnancy were included. The primary outcome was the occurrence of OASIS. Association between episiotomy and OASIS was assessed by multivariate logistic regression with adjustment for confounding factors and stratification on the use of an instrument at delivery. Propensity score matching was used to account for indication bias. RESULTS Among 12 346 women included, 7803 (63.2%) had an episiotomy and 4543 (36.8%) did not have an episiotomy; the rate of OASIS was similar in both groups (0.7%). After stratification on use of instrument, an association between episiotomy and OASIS was shown in the case of instrumental delivery (odds ratio [OR] 0.46, 95% confidence interval [CI] 0.26-0.80) but not if the delivery was spontaneous (OR 0.76, 95% CI 0.29-1.98). The result was similar after matching on propensity score (in the case of operative vaginal delivery: OR 0.20, 95% CI 0.10-0.75). CONCLUSION Episiotomy seems to be a protective factor for OASIS in nulliparous woman at term only in the case of operative vaginal delivery.
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Affiliation(s)
- Antoine Perrin
- Department of Obstetrics and Gynecology, Robert Debré Hospital, APHP, Paris, France
| | - Diane Korb
- Department of Obstetrics and Gynecology, Robert Debré Hospital, APHP, Paris, France.,Center for Epidemiology and Statistics Sorbonne Paris Cité (CRESS), Obstetrical Perinatal and Pediatric Epidemiology Research Team, EPOPé, INSERM, INRA, University Paris Cité, Paris, France
| | - Rosemary Morgan
- Department of Obstetrics and Gynecology, Robert Debré Hospital, APHP, Paris, France
| | - Olivier Sibony
- Department of Obstetrics and Gynecology, Robert Debré Hospital, APHP, Paris, France
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Teixeira C, Lorthe E, Barros H. Time trends in episiotomy and severe perineal tears in Portugal: a nationwide register-based study. BMC Pregnancy Childbirth 2022; 22:976. [PMID: 36577964 PMCID: PMC9795637 DOI: 10.1186/s12884-022-05314-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 12/19/2022] [Indexed: 12/29/2022] Open
Abstract
INTRODUCTION Rates of episiotomy and severe perineal tears (SPT) are indicators of the quality of obstetric care. Time-trends in the reported occurrence of episiotomy and SPT can contribute to understand both, changes in care and in the frequency of risk factors. Therefore, we aimed to estimate time trends in the frequency of SPT in Portugal and its relationship with episiotomy. METHODS We conducted a nationwide register-based study using data from the national inpatient database of all Portuguese public hospitals between 2000 and 2015. Time-trend analysis using joinpoint regression models was performed to identify trends (joinpoints) and compare time changes in the prevalence of SPT and risk factors expressed as annual percentage changes (APC) with 95% Confidence Intervals (95% CI). Poisson regression models were fitted to estimate whether time-trends in SPT rates were explained by changes in risk factors and to assess the association between episiotomy and SPT. Adjusted relative risk (aRR) and their respective 95% CI were obtained. RESULTS From 908,999 singleton vaginal deliveries, 20.6% were instrumental deliveries, 76.7% with episiotomy and 0.56% were complicated by SPT. Among women with non-instrumental deliveries and no episiotomy SPT decreased from 2009 onwards (1.3% to 0.7%), whereas SPT kept increasing in women with episiotomy for both non-instrumental (0.1% in 2000 to 0.4% in 2015) and instrumental deliveries (0.7% in 2005 to 2.3% in 2015). Time-trends in potential risk factors did not explain the observed increase in SPT. Episiotomy was associated with a decrease in SPT with adjusted RR varying between 2000 and 2015 from 0.18 (95%CI:0.13-0.25) to 0.59 (95%CI:0.44-0.79) for non-instrumental deliveries and from 0.45 (95%CI:0.25-0.81) to 0.50 (95%CI:0.40-0.72) for instrumental deliveries. CONCLUSIONS Our findings suggest that episiotomy rate could safely further decrease as the main factor driving SPT rates seems to be an increase in awareness and reporting of SPT particularly among women who underwent an episiotomy.
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Affiliation(s)
- Cristina Teixeira
- grid.5808.50000 0001 1503 7226EPIUnit - Instituto de Saúde Pública, Universidade Do Porto, Rua das Taipas nº135, 4050-600 Porto, Portugal ,grid.34822.3f0000 0000 9851 275XInstituto Politécnico de Bragança, Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Elsa Lorthe
- grid.5808.50000 0001 1503 7226EPIUnit - Instituto de Saúde Pública, Universidade Do Porto, Rua das Taipas nº135, 4050-600 Porto, Portugal
| | - Henrique Barros
- grid.5808.50000 0001 1503 7226EPIUnit - Instituto de Saúde Pública, Universidade Do Porto, Rua das Taipas nº135, 4050-600 Porto, Portugal ,grid.5808.50000 0001 1503 7226Departamento de Ciências de Saúde Pública e Forenses e Educação Médica, Faculdade de Medicina da Universidade Do Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
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Pebolo PF, Judith A, Dan KK. Episiotomy related morbidities measured using redness, edema, ecchymosis, discharge and apposition scale and numerical pain scale among primiparous women in Mulago National Referral Hospital, Kampala, Uganda. Pan Afr Med J 2020; 36:347. [PMID: 33224413 PMCID: PMC7664137 DOI: 10.11604/pamj.2020.36.347.25049] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 07/31/2020] [Indexed: 11/11/2022] Open
Abstract
INTRODUCTION episiotomy induced inflammatory signs like redness, edema, ecchymosis and pain may remain beyond the period of hospitalization and can be objectively measured using redness, edema, ecchymosis, discharge and apposition (REEDA) scale. Pain in the postpartum period is a common problem and can be measured using the numerical pain scale (NPS). Episiotomy is normally poorly executed and poorly repaired with little attention to the subtle pain-free scar. Postpartum perineal pain has been found to affect more people with episiotomy compared to spontaneous perineal tears or contusion in the first two weeks. This study was aimed at comparing NPS and REEDA scores in the first two weeks of postpartum among primiparous parturients with or without episiotomy in Mulago National Referral Hospital. METHODS a prospective cohort study conducted by recruiting primiparous women systematically on the first postnatal day and categorizing them into episiotomy and no episiotomy group. NPS and REEDA scale were taken at baseline and 2 weeks postpartum. RESULTS the mean total REEDA score for primiparous women among the episiotomy group was significantly higher both on day 1 and day 14 with p-values <0.0001 and <0.0001 respectively as well as the day 14 mean NPS p-value 0.001. CONCLUSION episiotomy, a traumatic obstetric procedure, that heals slowly and with persistent perineal pain compare to spontaneous perineal contusion or tears.
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Affiliation(s)
| | - Ajeani Judith
- Department of Obstetrics and Gynecology, Mulago National Referral Hospital, Kampala, Uganda
| | - Kaye Kabonge Dan
- Department of Obstetrics and Gynecology, Makerere College of Health Sciences, Makerere University, Kampala, Uganda
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Speksnijder L, Oom DMJ, Van Bavel J, Steegers EAP, Steensma AB. Association of levator injury and urogynecological complaints in women after their first vaginal birth with and without mediolateral episiotomy. Am J Obstet Gynecol 2019; 220:93.e1-93.e9. [PMID: 30273588 DOI: 10.1016/j.ajog.2018.09.025] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 09/08/2018] [Accepted: 09/21/2018] [Indexed: 12/27/2022]
Abstract
BACKGROUND Pelvic organ prolapse is a common health problem in women and has a negative influence on quality of life. A major cause of pelvic organ prolapse is levator injury. OBJECTIVE The objective of the study was to evaluate the association of mediolateral episiotomy with levator injury (levator avulsion, ballooning, or combined) and urogynecological complaints. STUDY DESIGN A prospective observational cohort study was performed in 204 primiparous women with a spontaneous vaginal delivery without anal sphincter tear in a general hospital between 2012 and 2015. One hundred three of these women had had a mediolateral episiotomy. Validated urogynecological questionnaires and transperineal 3-dimensional/4-dimensional ultrasound were completed after delivery. Outcome measures were levator avulsion, ballooning (hiatal area of more than 25 cm2), and urogynecological questionnaire scores. Statistical analysis was performed using univariate and multiple logistic regression analysis. RESULTS The median time at investigation after vaginal delivery was 13 months (range 6-33). Levator injury (avulsion, ballooning, or combined) was identified in 35 of the 103 women who had undergone mediolateral episiotomy (40.0%) and 33 of the 101 women without episiotomy (32.7%) (P = .69). No differences were found in the incidence of levator avulsion 27 (26.7%) vs 23 (22.8%) (P = .53) or in levator ballooning (20 [19.4%] vs 23 [22.8%] (P = .58) between both groups. There was an association between longer duration of the second stage of labor and the incidence of levator avulsion (odds ratio, 1.24 [95% confidence interval, 1.01-1.52]). Nonocciput anterior fetal position increased the risk of levator ballooning and levator injury (odds ratio, 10.19 [95% confidence interval, 1.89-54.91] and odds ratio, 12.16 [95% confidence interval, 1.41-104.38], respectively). No differences in urogynecological complaints were found. CONCLUSION Mediolateral episiotomy is not associated with the occurrence of levator injury or urogynecological complaints in women with a spontaneous vaginal delivery who did not obtain an anal sphincter injury. Levator injury was associated with a prolonged second stage of labor and a nonocciput anterior fetal position.
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Affiliation(s)
- Leonie Speksnijder
- Department of Obstetrics and Gynecology, Division of Urogynecology, Amphia Hospital, Breda, The Netherlands.
| | - Daniëlla M J Oom
- Department of Obstetrics and Gynecology, Division of Urogynecology, Albert Schweitzer Hospital, Dordrecht, The Netherlands
| | - Jeroen Van Bavel
- Department of Obstetrics and Gynecology, Division of Urogynecology, Amphia Hospital, Breda, The Netherlands
| | - Eric A P Steegers
- Department of Obstetrics and Gynecology, Division of Obstetrics and Prenatal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Anneke B Steensma
- Department of Obstetrics and Gynecology, Division of Urogynecology, Erasmus Medical Center, Rotterdam, The Netherlands
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Riethmuller D, Ramanah R, Mottet N. [Fetal expulsion: Which interventions for perineal prevention? CNGOF Perineal Prevention and Protection in Obstetrics Guidelines]. ACTA ACUST UNITED AC 2018; 46:937-947. [PMID: 30377094 DOI: 10.1016/j.gofs.2018.10.029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Indexed: 10/28/2022]
Abstract
OBJECTIVE The objective for all obstetricians and midwifes who intervene during the release of the fetal presentation is to prevent at best the perineal lesions. This work consisted in analyzing the literature, researching and evaluating interventions that reduce this perineal risk during the release. METHODS A keyword search for each medical intervention during the expulsion phase was conducted by selecting studies assessing perineal risk. Interventions during pregnancy and during delivery before the expulsion phase were specifically addressed in other sections of the recommendations. RESULTS Firstly, the degree of perineal stretching during the second stage of labour does not appear to be a risk factor for OASIS, postpartum incontinence, or sexual disorders (LE3) and that a substantial stretching of the perineum is not an indication of episiotomy (Professional consensus). Then, manual control of the expulsion of the fetus at the end of the second stage of labour and support of the posterior perineum during this time appear to reduce the rate of OASIS (LE3). The crowning of the baby's head should be manually controlled and the posterior perineum manually supported manually to reduce the risk of OASIS (GradeC). There is no recognised benefit to episiotomy in normal deliveries (LE1); the liberal practice of episiotomy results in fewer intact perineums than its restrictive practice, and the latter does not result in increasing the number of cases of OASIS. No evidence indicates that an episiotomy for women with a breech presentation, twin pregnancy, or posterior position prevents OASIS (LE3). Indication for episiotomy during delivery depends on individual risk factors and obstetric conditions (Professional consensus). It is recommended that the indication for episiotomy be explained and the woman's consent received before its performance. The performance of an episiotomy during normal deliveries is not recommended to reduce the risk of OASIS (Grade A). The liberal practice of episiotomy to prevent OASIS is not recommended for women with a breech presentation, twin pregnancy, or posterior position (GradeC). Episiotomy during an instrumental delivery appears to be associated with a reduction of the risk of OASIS (LE3). The vacuum extractor appears to induce fewer cases of OASIS than other instruments (LE3). Episiotomy may be indicated in instrumental deliveries to avoid OASIS (GradeC). Training in perineal protection in obstetrics is recommended (Grade B). In operative vaginal deliveries when several instruments can be used, a vacuum extractor is preferentially recommended to reduce the risk of OASIS (GradeC). When forceps or spatulas are used, it is preferable that they be withdrawn just before cephalic deflexion so that the fetal head is not "capped" with these instruments at birth (Professional consensus). Couder's maneuver, which consists of lowering the forearm during the release of the fetal shoulders, appears to decrease the rate of second-degree perineal tears and increase the rate of intact perineum (LE3). CONCLUSION Manual control of the expulsion and perineal support reduce the risk of perineal injury. There is no benefit to episiotomy in normal delivery, nor in special cases such the breech presentation for example. On the other hand, in case of instrumental delivery, an episiotomy may be indicated to avoid OASIS (GradeC), and it is recommended if it is possible to use the ventouse preferentially. The Couder's maneuver seems to reduce the rate of 2nd degree perineal lesions (LE3). Finally, training in perineal obstetric protection is recommended (Grade B).
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Affiliation(s)
- D Riethmuller
- Pôle Mère-Femme, CHRU Besançon, 3, boulevard Fleming, 25000 Besançon, France.
| | - R Ramanah
- Pôle Mère-Femme, CHRU Besançon, 3, boulevard Fleming, 25000 Besançon, France
| | - N Mottet
- Pôle Mère-Femme, CHRU Besançon, 3, boulevard Fleming, 25000 Besançon, France
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Gebuza G, Kaźmierczak M, Gdaniec A, Mieczkowska E, Gierszewska M, Dombrowska-Pali A, Banaszkiewicz M, Maleńczyk M. Episiotomy and perineal tear risk factors in a group of 4493 women. Health Care Women Int 2018; 39:663-683. [PMID: 29648935 DOI: 10.1080/07399332.2018.1464004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Episiotomy belongs to the most frequent procedures carried out during delivery. Performing episiotomy should be reduced as there is scientific evidence indicating that it can cause pain, sexual problems, and serious, long-term health consequences. The aim of the researchers is to identify factors associated with episiotomy and the perineal tear. Analyses were performed using a model of a logistic regression. The study involved 4493 women. The episiotomy risk was related to: a birth weight exceeding 3500 grams, an instrumental delivery by means of forceps or vacuum extraction. The decrease of episiotomy rate increased the rate of perineal tear of first and second degree. The study has shown that episiotomy protects women from third- and fourth-degree perineal tear.
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Affiliation(s)
- Grażyna Gebuza
- a Faculty of Health Sciences, Nicolaus Copernicus University Torun , Tourn , Poland
| | - Marzena Kaźmierczak
- a Faculty of Health Sciences, Nicolaus Copernicus University Torun , Tourn , Poland
| | - Alicja Gdaniec
- a Faculty of Health Sciences, Nicolaus Copernicus University Torun , Tourn , Poland
| | - Estera Mieczkowska
- a Faculty of Health Sciences, Nicolaus Copernicus University Torun , Tourn , Poland
| | | | | | | | - Marek Maleńczyk
- b Obstetrics, Feminine Health, and Oncologic Gynecology Unit, District Hospital , Torun , Poland
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Singh S, Thakur T, Chandhiok N, Dhillon BS. Pattern of episiotomy use & its immediate complications among vaginal deliveries in 18 tertiary care hospitals in India. Indian J Med Res 2017; 143:474-80. [PMID: 27377504 PMCID: PMC4928554 DOI: 10.4103/0971-5916.184304] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Background & objectives: In developed countries, efforts have been made to restrict episiotomy practice. However, in developing countries the episiotomy rates continue to be high. This study was conducted to evaluate the pattern of episiotomy use and its immediate complications among women delivering at tertiary level public hospitals in India. Methods: Prospective data of all women undergoing vaginal delivery including instrumental delivery were collected daily from the labour room registers of the 18 tertiary care hospitals on a structured proforma. Weekly data from all sites were sent to a central unit for compilation and analysis. Odds ratio was used to compare the proportion of genital trauma among women with and without episiotomy both in nulliparous and multiparous women. Results: Among 1,20,243 vaginal deliveries, episiotomy was performed in 63.4 per cent (n=76,305) cases. Nulliparaous women were 8.8 times more likely to undergo episiotomy than multiparous women. The various genital tract injuries reported were first degree perineal tear (n=4805, 3.9%), second degree perineal tear (n=1082, 0.9%), third and fourth degree perineal tear (n=186, 0.2%), anterior vaginal trauma requiring suturing (n=490, 0.4%), extension of episiotomy/vaginal laceration/excessive bleeding from episiotomy or tear (n=177, 0.15%), vulval/vaginal haematoma (n=70, 0.06%) and cervical tear (n=108, 0.08%). The combined rate of third and fourth degree perineal tears was observed to be significantly lower (P<0.001) among nullipara who received episiotomy (0.13%) compared to those who delivered without episiotomy (0.62%). Interpretations & conclusions: Significantly lower rates of third or fourth degree perineal tear were seen among nulliparous women undergoing episiotomy. The risk and benefit of episiotomy and its complications need to be evaluated through randomized clinical trials in the Indian context.
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Affiliation(s)
- Shalini Singh
- Division of Reproductive Biology & Maternal Health, Indian Council of Medical Research, New Delhi, India
| | - Tushita Thakur
- Division of Reproductive Biology & Maternal Health, Indian Council of Medical Research, New Delhi, India
| | - Nomita Chandhiok
- Division of Reproductive Biology & Maternal Health, Indian Council of Medical Research, New Delhi, India
| | - Balwan Singh Dhillon
- Division of Reproductive Biology & Maternal Health, Indian Council of Medical Research, New Delhi, India
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The Effect of Warm Compress Bistage Intervention on the Rate of Episiotomy, Perineal Trauma, and Postpartum Pain Intensity in Primiparous Women with Delayed Valsalva Maneuver Referring to the Selected Hospitals of Shiraz University of Medical Sciences in 2012-2013. Adv Skin Wound Care 2017; 29:79-84. [PMID: 26765160 DOI: 10.1097/01.asw.0000476073.96442.91] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Genital trauma during vaginal delivery may result from episiotomy, spontaneous perineal tears (perineum, vagina), or both. In 2012, this study aimed to investigate the effect of warm compress bistage intervention on the rate of episiotomy, perineal trauma, and postpartum pain intensity in the primiparous woman with delayed Valsalva maneuver. METHODS In this randomized clinical trial, which was performed in hospitals in Shiraz, Iran, in 2012-2013, 150 women were randomly divided into 2 groups: 1 intervention and 1 control. The intervention group received warm compress bistage intervention at 7-cm and 10-cm dilatation and zero position during the first and second stages of labor for 15 to 20 minutes, whereas the control group received the hospitals' routine care. After delivery, the prevalence of episiotomy; intact perineum; location, degree, and length of rupture; and postpartum pain intensity were assessed in the 2 groups. Following that, the data were analyzed with SPSS statistical software (version 16) using χ test, t test, and odds ratio. RESULTS The results revealed a significant difference between the intervention and control groups regarding the frequency of intact perinea (27% vs 6.7%) and the frequency of episiotomy (45% vs 90.70%). In addition, the frequency of the location of rupture (P = .019), mean length of episiotomy incision (P = .02), and mean intensity of pain the day after delivery (P < .001) were significantly lower in the intervention group compared with the control group. However, the rate of ruptures was higher in the intervention group. CONCLUSIONS Warm compress bistage intervention was effective in reducing episiotomies and the mean length of episiotomy incision, reducing pain after delivery, and increasing the rate of intact perinea. However, the rate of ruptures slightly increased in the intervention group compared with the control group.
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[Can the rate of episiotomy still be lowered? Status update in PACA region (south of France)]. ACTA ACUST UNITED AC 2017; 45:146-151. [PMID: 28682756 DOI: 10.1016/j.gofs.2017.01.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Accepted: 01/03/2017] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To evaluate professional practices relative to episiotomies in the Provence Alpes Côte d'Azur (PACA) region by analysing their incidence in maternity hospitals, by type and by sector of activity. Following this, to analyse maternal and obstetric characteristics associated with episiotomies and the occurrence of perineal tears in Marseille's university hospitals (CHU). METHODS Data were extracted from the database for the period from 1st January 2012 to 31 December 2014. The sample included 41 maternity hospitals: 13 private and 28 public. Twenty of the maternity hospitals were level 1, 15 were level 2, and 2 were level 3 (Nice and AP-HM). RESULTS In the PACA region, 176,573 patients gave birth by vaginal delivery. The incidence of episiotomy over the 3 years was 21.6% (0.50% - 76.13%) with a statistically significant reduction in the incidence between 2012 and 2014 (P<0.001). There was a significant difference by sector (P<0.001) and level (P<0.001) of maternity hospitals. In the Marseille CHU, 21.6% of women had an episiotomy (66.4% in primiparas - 33.6% in multiparous) and 43% had perineal tears (62.3% in primiparas - 37.7% in multiparous). After multivariate analysis, gender, weight of the newborn, presentation, gestational age, and mode of delivery were shown to be factors significantly associated with occurrence of episiotomy and occurrence of perineal tear (P<0.001). CONCLUSION A significant decrease in the incidence of episiotomy was observed in the PACA region from 2012 to 2014, associated with a wide variation in rates depending on the maternity hospitals, their types and their sectors.
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Pelvic floor dysfunction, and effects of pregnancy and mode of delivery on pelvic floor. Taiwan J Obstet Gynecol 2015; 53:452-8. [PMID: 25510682 DOI: 10.1016/j.tjog.2014.08.001] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/25/2014] [Indexed: 11/24/2022] Open
Abstract
Pelvic floor dysfunction (PFD), although seems to be simple, is a complex process that develops secondary to multifactorial factors. The incidence of PFD is increasing with increasing life expectancy. PFD is a term that refers to a broad range of clinical scenarios, including lower urinary tract excretory and defecation disorders, such as urinary and anal incontinence, overactive bladder, and pelvic organ prolapse, as well as sexual disorders. It is a financial burden on the health care system and disrupts women's quality of life. Strategies applied to decrease PFD are focused on the course of pregnancy, mode and management of delivery, and pelvic exercise methods. Many studies in the literature define traumatic birth, usage of forceps, length of the second stage of delivery, and sphincter damage as modifiable risk factors for PFD. Maternal age, fetal position, and fetal head circumference are nonmodifiable risk factors. Although numerous studies show that vaginal delivery affects pelvic floor structures and their functions in a negative way, there is not enough scientific evidence to recommend elective cesarean delivery in order to prevent development of PFD. PFD is a heterogeneous pathological condition, and the effects of pregnancy, vaginal delivery, cesarean delivery, and possible risk factors of PFD may be different from each other. Observational studies have identified certain obstetrical exposures as risk factors for pelvic floor disorders. These factors often coexist; therefore, the isolated effects of these variables on the pelvic floor are difficult to study. The routine use of episiotomy for many years in order to prevent PFD is not recommended anymore; episiotomy should be used in selected cases, and the mediolateral procedures should be used if needed.
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Cescon C, Riva D, Začesta V, Drusany-Starič K, Martsidis K, Protsepko O, Baessler K, Merletti R. Effect of vaginal delivery on the external anal sphincter muscle innervation pattern evaluated by multichannel surface EMG: results of the multicentre study TASI-2. Int Urogynecol J 2014; 25:1491-9. [PMID: 24687366 DOI: 10.1007/s00192-014-2375-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2013] [Accepted: 03/10/2014] [Indexed: 10/25/2022]
Abstract
INTRODUCTION AND HYPOTHESIS A correlation exists between external anal sphincter (EAS) damage during birth and the subsequent development of fecal incontinence. This study evaluated the effect of delivery-related trauma on EAS innervation by means of intra-anal EMG performed with a rectal probe with 16 silver electrodes equally spaced along the circumference, before and after delivery. METHODS Pre-partum EMG measurements were performed on 511 women, by nine clinical partners from five European countries at the 28th to 34th gestational weeks and the 6th to 8th post-delivery weeks; 331 women returned, after delivery, for the second test. The innervation zones (IZ) of EAS single motor units were identified by means of an EMG decomposition algorithm. RESULTS The subjects were divided into four groups according to the delivery mode (Caesarean, vaginal with no evident damage, spontaneous lacerations and episiotomies). The number of IZs before and after delivery was compared. In the 82 women who underwent right mediolateral episiotomy, a statistically significant reduction of IZs was observed, after delivery, in the right ventral quadrant of the EAS (side of the episiotomy). Women who had Caesarean section, spontaneous lacerations or lack of evident damage did not present any significant change in the innervation pattern. CONCLUSIONS Right episiotomy reduces the number of IZs on the right-ventral side of the EAS. The fast and reliable test proposed indicates the sphincter innervation pattern before delivery and helps obstetricians to evaluate the risks and to choose the preferred side of the episiotomy, if deemed necessary at the time of delivery.
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Affiliation(s)
- Corrado Cescon
- Laboratory for Engineering of the Neuromuscular System, Department of Electronics, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, 10129, Italy
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Aytan H, Tok EC, Ertunc D, Yasa O. The effect of episiotomy on pelvic organ prolapse assessed by pelvic organ prolapse quantification system. Eur J Obstet Gynecol Reprod Biol 2013; 173:34-7. [PMID: 24314799 DOI: 10.1016/j.ejogrb.2013.11.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2013] [Revised: 11/01/2013] [Accepted: 11/13/2013] [Indexed: 11/27/2022]
Abstract
OBJECTIVE This study aimed to assess the association between episiotomy and measures of pelvic organ prolapse quantification system (POP-Q) in a cohort of women with vaginal parturition. STUDY DESIGN A prospective study was conducted with 549 eligible patients with vaginal delivery history. Women who were pregnant, gave birth within the preceding 6 months period, had a known history of pre-pregnant prolapse, had a history of hysterectomy or any operation performed for pelvic organ prolapsus and stress urinary incontinence, refused to participate and to whom POP-Q examination could not be performed (due to anatomic or orthopedic problems) were excluded. Patients were categorized as women with episiotomy and without episiotomy. The degree of genital prolapse was assessed by using POP-Q system. The effect of episiotomy on overall POP-Q stage and individual POP-Q points was calculated with logistic regression. RESULTS 439 patients had a history of episiotomy whereas 110 patients had no episiotomy. 38.2% of women without an episiotomy, and 32.0% of women with episiotomy had genital prolapse determined by POP-Q system. There was no statistically significant association between episiotomy and POP-Q stage (AOR, -0.24; 95% CI, -0.65-0.18, P=0.26). Episiotomy was found among the independent predictors for certain POP-Q points such as Bp, perineal body (pb) and total vaginal length (tvl). Episiotomy was negatively correlated with prolapse of Bp and with pb and tvl. CONCLUSION Episiotomy had an effect on certain POP-Q indices, but had no influence on overall POP-Q stage.
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Affiliation(s)
- Hakan Aytan
- Mersin University Faculty of Medicine, Department of Obstetrics and Gynecology, Mersin, Turkey.
| | - Ekrem C Tok
- Mersin University Faculty of Medicine, Department of Obstetrics and Gynecology, Mersin, Turkey
| | - Devrim Ertunc
- Mersin University Faculty of Medicine, Department of Obstetrics and Gynecology, Mersin, Turkey
| | - Osman Yasa
- Mersin University Faculty of Medicine, Department of Obstetrics and Gynecology, Mersin, Turkey
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Seijmonsbergen-Schermers AE, Geerts CC, Prins M, van Diem MT, Klomp T, Lagro-Janssen ALM, de Jonge A. The use of episiotomy in a low-risk population in the Netherlands: a secondary analysis. Birth 2013; 40:247-55. [PMID: 24344705 DOI: 10.1111/birt.12060] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/02/2013] [Indexed: 11/30/2022]
Abstract
BACKGROUND To examine the episiotomy incidence and determinants and outcomes associated with its use in primary care midwifery practices. METHODS Secondary analysis of two prospective cohort studies (n = 3,404). RESULTS The episiotomy incidence was 10.8 percent (20.9% for nulliparous and 6.3% for parous women). Episiotomy was associated with prolonged second stage of labor (adj. OR 12.09 [95% CI 6.0-24.2] for nulliparous and adj. OR 2.79 [1.7-4.6] for parous women) and hospital birth (adj. OR 1.75 [1.2-2.5] for parous women). Compared with episiotomy, perineal tears were associated with a lower rate of postpartum hemorrhage in parous women (adj. OR 0.58 [0.4-0.9]). Fewer women with perineal tears reported perineal discomfort (adj. OR 0.35 [0.2-0.6] for nulliparous and adj. OR 0.22 [0.1-0.3] for parous women). Among nulliparous women episiotomy was performed most frequently for prolonged second stage of labor (38.8%) and among parous women for history of episiotomy or prevention of major perineal trauma (21.1%). CONCLUSIONS The incidence of episiotomy is high compared with some low-risk settings in other Western countries. Episiotomy was associated with higher rates of adverse maternal outcomes. Restricted use of episiotomy is likely to be beneficial for women.
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Affiliation(s)
- A E Seijmonsbergen-Schermers
- Department of Midwifery Science, AVAG and the EMGO Institute of Health and Care Research, VU University Medical Centre, Amsterdam, The Netherlands
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14
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Berlit S, Tuschy B, Brade J, Mayer J, Kehl S, Sütterlin M. Effectiveness of nitrous oxide for postpartum perineal repair: a randomised controlled trial. Eur J Obstet Gynecol Reprod Biol 2013; 170:329-32. [PMID: 23891062 DOI: 10.1016/j.ejogrb.2013.06.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2013] [Revised: 05/21/2013] [Accepted: 06/24/2013] [Indexed: 11/19/2022]
Abstract
OBJECTIVE To compare the effectiveness of self-administered 50% nitrous oxide and conventional infiltrative anaesthesia with 1% prilocaine hydrochloride in postpartum perineal repair. STUDY DESIGN A total of 100 women were prospectively enrolled and randomised to receive either infiltrative anaesthesia or a self-administered nitrous oxide mixture (Livopan(©)) for pain relief during postpartum perineal suturing. Besides data concerning anaesthesia, characteristics of patients and labour were documented for statistical analysis. Pain experienced during perineal repair was assessed using the short form of the McGill Pain Questionnaire (SF-MPQ). RESULTS Forty-eight women received nitrous oxide and 52 underwent perineal suturing after infiltrative anaesthesia. There were no statistically significant differences regarding maternal age, body mass index (BMI), duration of pregnancy and suturing time between the groups. The most frequent birth injury was second-degree perineal laceration in the study group [22/48; 46%] and episiotomy in the control group [18/52; 35%]. Pain experienced during genital tract suturing and patients' satisfaction showed no statistically significant differences between the groups. Thirty-seven women in the study group and 47 in the control group were satisfied with the anaesthesia during perineal repair and would recommend it to other parturients [37/48, 77% vs. 47/52, 90%; p=0.0699). CONCLUSION Nitrous oxide self-administration during genital tract suturing after vaginal childbirth is a satisfactory and effective alternative to infiltrative anaesthesia.
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Affiliation(s)
- Sebastian Berlit
- Department of Obstetrics and Gynaecology, University Medical Centre Mannheim, Heidelberg University, Germany
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15
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Abstract
BACKGROUND Perineal trauma following vaginal birth can be associated with significant short-term and long-term morbidity. Antenatal perineal massage has been proposed as one method of decreasing the incidence of perineal trauma. OBJECTIVES To assess the effect of antenatal digital perineal massage on the incidence of perineal trauma at birth and subsequent morbidity. SEARCH METHODS We searched the Cochrane Pregnancy and Childbirth Group's Trials Register (22 October 2012), the Cochrane Central Register of Controlled Trials (The Cochrane Library 2012, Issue 10), PubMed (1966 to October 2012), EMBASE (1980 to October 2012) and reference lists of relevant articles. SELECTION CRITERIA Randomised and quasi-randomised controlled trials evaluating any described method of antenatal digital perineal massage undertaken for at least the last four weeks of pregnancy. DATA COLLECTION AND ANALYSIS Both review authors independently applied the selection criteria, extracted data from the included studies and assessed study quality. We contacted study authors for additional information. MAIN RESULTS We included four trials (2497 women) comparing digital perineal massage with control. All were of good quality. Antenatal digital perineal massage was associated with an overall reduction in the incidence of trauma requiring suturing (four trials, 2480 women, risk ratio (RR) 0.91 (95% confidence interval (CI) 0.86 to 0.96), number needed to treat to benefit (NNTB) 15 (10 to 36)) and women practicing perineal massage were less likely to have an episiotomy (four trials, 2480 women, RR 0.84 (95% CI 0.74 to 0.95), NNTB 21 (12 to 75)). These findings were significant for women without previous vaginal birth only. No differences were seen in the incidence of first- or second-degree perineal tears or third-/fourth-degree perineal trauma. Only women who have previously birthed vaginally reported a statistically significant reduction in the incidence of pain at three months postpartum (one trial, 376 women, RR 0.45 (95% CI 0.24 to 0.87) NNTB 13 (7 to 60)). No significant differences were observed in the incidence of instrumental deliveries, sexual satisfaction, or incontinence of urine, faeces or flatus for any women who practised perineal massage compared with those who did not massage. AUTHORS' CONCLUSIONS Antenatal digital perineal massage reduces the likelihood of perineal trauma (mainly episiotomies) and the reporting of ongoing perineal pain, and is generally well accepted by women. As such, women should be made aware of the likely benefit of perineal massage and provided with information on how to massage.
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16
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da Silva FMB, de Oliveira SMJV, Bick D, Osava RH, Tuesta EF, Riesco MLG. Risk factors for birth-related perineal trauma: a cross-sectional study in a birth centre. J Clin Nurs 2012; 21:2209-18. [PMID: 22646921 DOI: 10.1111/j.1365-2702.2012.04133.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
AIM AND OBJECTIVES To identify maternal, newborn and obstetric factors associated with birth-related perineal trauma in one independent birth centre. BACKGROUND Risk factors for birth-related perineal trauma include episiotomy, maternal age, ethnicity, parity and interventions during labour including use of oxytocin, maternal position at time of birth and infant birth weight. Understanding more about these factors could support the management of vaginal birth to prevent spontaneous perineal trauma, in line with initiatives to reduce routine use of episiotomy. DESIGN Cross-sectional study. METHODS Data were retrospectively collected from one independent birth centre in Brazil, during 2006-2009. The dependent variable (perineal trauma) was classified as: (1) intact perineum or first-degree laceration, (2) second-degree laceration and (3) episiotomy (right mediolateral or median). RESULTS There were 1079 births during the study period. Parity, use of oxytocin during labour, position at time of giving birth and infant birth weight were associated with second-degree lacerations and episiotomies. After adjusting for parity, oxytocin, maternal position at the expulsive stage of labour and infant birth weight influenced perineal outcomes among primiparae only. CONCLUSIONS Although the overall rate of episiotomies in this study was low compared with national data, it was observed that younger women were most vulnerable to this intervention. In this age group in particular, the use of oxytocin as well as semi-upright positions at the time of birth was associated with second-degree lacerations and episiotomies. RELEVANCE TO CLINICAL PRACTICE The use of upright alternative positions for birth and avoidance of use of oxytocin could reduce the risk of perineal trauma from lacerations and need to perform episiotomy.
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Affiliation(s)
- Flora M B da Silva
- National Council for Scientific and Technological Development (CNPq) Scholarship, University of São Paulo, São Paulo, SP, Brazil.
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17
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Zafran N, Salim R. Impact of liberal use of mediolateral episiotomy on the incidence of obstetric anal sphincter tear. Arch Gynecol Obstet 2012; 286:591-7. [DOI: 10.1007/s00404-012-2333-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2011] [Accepted: 04/12/2012] [Indexed: 11/28/2022]
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18
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Geranmayeh M, Rezaei Habibabadi Z, Fallahkish B, Farahani MA, Khakbazan Z, Mehran A. Reducing perineal trauma through perineal massage with vaseline in second stage of labor. Arch Gynecol Obstet 2011; 285:77-81. [PMID: 21614497 DOI: 10.1007/s00404-011-1919-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2010] [Accepted: 04/28/2011] [Indexed: 11/28/2022]
Abstract
PURPOSE Maintaining an intact perineum is a highly regarded aim in delivery procedures today. Since perineal massage is a common practice during delivery, the present study aims to investigate the effect of perineal massage with Vaseline on perineal trauma (rate of episiotomy procedures and perineal tears). METHOD Ninety primiparous women (aged between 18 and 30 years with gestational age of 38-42 weeks) were selected sequentially in Tehran in 2009. Once participants' characteristics were registered, they were randomly assigned to the intervention (perineal massage with Vaseline) or control groups. In the massage group, perineal massage was performed in the second stage of delivery once the genitalia were treated with sterilized Vaseline. The perineum was examined after the delivery in terms of episiotomy or tear and its severity degree. RESULTS The two groups were homogeneous in terms of demographic data, weight gain during pregnancy, gestational age, abortion history and fetal weight. The second stage of delivery was significantly shorter in the massage group than the control group and the massage group had significantly more intact perineum (P = 0.004). In addition, lower episiotomy and higher first- and second-degree perineal tears were seen in the massage group in comparison with the control one (P < 0.001). Neither of the groups suffered from third- and fourth-degree tears. CONCLUSION The findings showed that the perineal massage with Vaseline in the second stage of labor increases perineal integrity and decreases perineal traumas (episiotomy and tears). So, it seems that the perineal massage could be an effective way to preserve an intact perineum in labor.
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Affiliation(s)
- Mehrnaz Geranmayeh
- Nursing and Midwifery School, Tehran University of Medical Sciences, East Nosrat Ave., Touhid Sq., Tehran, Iran
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19
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Bertozzi S, Londero AP, Fruscalzo A, Driul L, Delneri C, Calcagno A, Di Benedetto P, Marchesoni D. Impact of episiotomy on pelvic floor disorders and their influence on women's wellness after the sixth month postpartum: a retrospective study. BMC WOMENS HEALTH 2011; 11:12. [PMID: 21501462 PMCID: PMC3098166 DOI: 10.1186/1472-6874-11-12] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2010] [Accepted: 04/18/2011] [Indexed: 11/10/2022]
Abstract
Background The role of episiotomy as a protective factor against pelvic floor disorders postpartum has been debated for many years, but its routine use has been hitherto discouraged in the literature. Comparisons between restrictive and routine use of episiotomy in existent literature, however, fail to include any consideration relating to quality of life. The aim of this study, therefore, is to state the role of episiotomy in preserving the perineum from damage, in order to prevent the influence of pelvic floor disorders on women's psycho-physical wellness after the sixth month postpartum. Methods A follow-up telephone interview was performed among 377 primiparous and secondiparous Caucasian women who had a child by spontaneous or operative vaginal delivery in 2006 using a self-created questionnaire and King's Health Questionnaire (KHQ). Results The mean age at delivery was 35.26 (±4.68) years and episiotomy was performed in 59.2% of women. Multivariate linear regression shows episiotomy associated to higher quality of life after the sixth month postpartum by correlating with inferior values of King's Health Questionnaire (p < 0.05). Conclusions Episiotomy appears to be a protective factor for women's wellness. Women who had episiotomy and who experienced perineal symptoms have a better psycho-physical health status in the 12.79 months (±3.3) follow-up.
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Affiliation(s)
- Serena Bertozzi
- Clinic of Surgical Semeiotics, AOU “SM della Misericordia” of Udine, 33100 Udine, Italy
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20
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Vakilian K, Atarha M, Bekhradi R, Chaman R. Healing advantages of lavender essential oil during episiotomy recovery: a clinical trial. Complement Ther Clin Pract 2010; 17:50-3. [PMID: 21168115 DOI: 10.1016/j.ctcp.2010.05.006] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2010] [Revised: 04/28/2010] [Accepted: 05/11/2010] [Indexed: 10/19/2022]
Abstract
Episiotomy is the most common perineal incision in obstetric and midwifery. Nowadays alternative and complementary methods such as Aromatherapy using essential oils are established as an alternative therapy. This research was carried out to assess the effect of lavender oil in wound healing. This randomized control trial was conducted on 120 primiparous women with singleton pregnancy, without any acute and chronic disease and allergy who had undergone normal spontaneous vaginal delivery and episiotomy. They were randomly allocated in case and control groups. Case group received lavender oil and controls received povidone-iodine. Incision sites were assessed on the 10th day postpartum. 25 out of 60 women in lavender group and 17 mothers in control group had no pain (p = 0.06). There was no significant difference between two groups in surgery site complications. However, redness in lavender group was significantly less than controls (p < 0.001). This study suggests application of lavender essential oil instead of povidone-iodine for episiotomy wound care.
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Affiliation(s)
- Katayon Vakilian
- Nursing and Midwifery College, Arak University of Medical Sciences, Arak, Tehran, Iran.
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21
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Kettle C, Dowswell T, Ismail KMK. Absorbable suture materials for primary repair of episiotomy and second degree tears. Cochrane Database Syst Rev 2010; 2010:CD000006. [PMID: 20556745 PMCID: PMC7263442 DOI: 10.1002/14651858.cd000006.pub2] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
BACKGROUND Approximately 70% of women will experience perineal trauma following vaginal delivery and will require stitches. This may result in pain, suture removal and superficial dyspareunia. OBJECTIVES To assess the effects of different suture materials on short- and long-term morbidity following perineal repair. SEARCH STRATEGY We searched the Cochrane Pregnancy and Childbirth Group's Trials Register (February 2010). SELECTION CRITERIA Randomised trials comparing different suture materials for perineal repair after vaginal delivery. DATA COLLECTION AND ANALYSIS Two review authors independently assessed trial quality and extracted data. MAIN RESULTS We included 18 trials with 10,171 women; comparisons included: catgut with standard synthetic (nine trials), rapidly absorbing synthetic (two trials), and glycerol impregnated catgut sutures (two trials); and standard synthetic sutures with rapidly absorbing synthetic (five trials) and monofilament sutures (one trial).Compared with catgut, standard synthetic sutures were associated with less pain up to three days after delivery (risk ratio (RR) 0.83, 95% confidence interval (CI) 0.76 to 0.90); and less analgesia up to ten days postpartum (RR 0.71, 95% CI 0.59 to 0.87). More women with catgut sutures required resuturing (15/1201) compared with synthetic sutures (3/1201) (RR 0.25, 95% CI 0.08 to 0.74); while more women with standard synthetic sutures required the removal of unabsorbed suture material (RR 1.81, 95% CI 1.46 to 2.24). Comparing standard synthetic with rapidly absorbing sutures, short- and long-term pain were similar; in one trial fewer women with rapidly absorbing sutures reported using analgesics at 10 days (RR 0.57, 95% CI 0.43 to 0.77). More women in the standard synthetic suture group required suture removal compared with those in the rapidly absorbed group (RR 0.24, 95% CI 0.15 to 0.36). There was no evidence of significant differences between groups for long-term pain (three months after delivery) or for dyspareunia at three, or at six to 12 months. When catgut and glycerol impregnated catgut were compared, results were similar for most outcomes, although the latter was associated with more short-term pain. One trial examining monofilament versus standard polyglycolic sutures found no differences for most outcomes. AUTHORS' CONCLUSIONS Catgut may increase short-term pain compared with synthetic sutures. There were few differences between standard and rapidly absorbing synthetic sutures but more women needed standard sutures removing. For other materials, there was insufficient evidence to draw conclusions. Findings should be interpreted in the context of the related Cochrane review on suturing techniques.
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Affiliation(s)
- Christine Kettle
- University Hospital of North StaffordshireMaternity CentreCity General SiteNewcastle RoadStoke‐on‐TrentStaffordshireUKST4 6QG
| | - Therese Dowswell
- The University of LiverpoolCochrane Pregnancy and Childbirth Group, School of Reproductive and Developmental Medicine, Division of Perinatal and Reproductive MedicineFirst Floor, Liverpool Women's NHS Foundation TrustLiverpoolUKL8 7SS
| | - Khaled MK Ismail
- Keele University Medical SchoolInstitute of Science and Technology in MedicineKeeleStaffordshireUK
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Episiotomy and Increase in the Risk of Obstetric Laceration in a Subsequent Vaginal Delivery. Obstet Gynecol 2008; 111:1274-8. [DOI: 10.1097/aog.0b013e31816de899] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Pirro N, Sastre B, Sielezneff I. [What are the risk factors of anal incontinence after vaginal delivery?]. ACTA ACUST UNITED AC 2008; 144:197-202. [PMID: 17925711 DOI: 10.1016/s0021-7697(07)89514-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Fecal incontinence is one of the most feared complications of vaginal delivery. It may be the consequence of sphincter tears, of pudendal neuropathy, or of a combination of the two. Fecal incontinence occurs immediately following 13-54% of vaginal deliveries but its persistence in the mid and long term is poorly known. The incidence of perineal tear with anal sphincteric defect varies from 1-9% and the incidence of unrecognized sphincter injury may be as high as 18-35%. Half the women who undergo primary anal sphincter repair have short or long term continence problems. Pudendal neuropathy is caused by nerve stretch during pushing in the second stage of labor and descent of the fetal head; it may occur even with the first delivery. Risk factors for sphincter injury and pudendal neuropathy include forceps delivery, large neonatal size, and prolonged second stage of labor. The risk of fecal incontinence must be considered even during the first pregnancy. Routine episiotomy does not prevent sphincter injury and may even predispose to it. Pudendal neuropathy following delivery may lead to delayed fecal incontinence abetted by postmenopausal hormonal deficiency and tissue senescence. The possible benefit of early episiotomy for women at high risk of sphincter injury must be evaluated by prospective studies.
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Affiliation(s)
- N Pirro
- Service de Chirurgie Digestive, Hôpital la Timone, 264 rue Saint-Pierre, Marseille cedex 5.
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24
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25
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Pratique libérale versus restrictive de l’épisiotomie : existe-t-il des indications obstétricales spécifiques de l’épisiotomie? ACTA ACUST UNITED AC 2006. [DOI: 10.1016/s0368-2315(06)76496-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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26
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Abstract
BACKGROUND Perineal trauma following vaginal birth can be associated with significant short- and long-term morbidity. Antenatal perineal massage has been proposed as one method of decreasing the incidence of perineal trauma. OBJECTIVES To assess the effect of antenatal perineal massage on the incidence of perineal trauma at birth and subsequent morbidity. SEARCH STRATEGY We searched the Cochrane Pregnancy and Childbirth Group Trials Register (30 January 2005), the Cochrane Central Register of Controlled Trials (The Cochrane Library, Issue 1, 2005), PubMed (1966 to January 2005), EMBASE (1980 to January 2005) and reference lists of relevant articles. SELECTION CRITERIA Randomised and quasi-randomised controlled trials evaluating any described method of antenatal perineal massage undertaken for at least the last four weeks of pregnancy. DATA COLLECTION AND ANALYSIS Both review authors independently applied the selection criteria, extracted data from the included studies and assessed study quality. We contacted study authors for additional information. MAIN RESULTS Three trials (2434 women) comparing digital perineal massage with control were included. All were of good quality. Antenatal perineal massage was associated with an overall reduction in the incidence of trauma requiring suturing (three trials, 2417 women, relative risk (RR) 0.91 (95% confidence interval (CI) 0.86 to 0.96), number needed to treat (NNT) 16 (10 to 39)). This reduction was statistically significant for women without previous vaginal birth only (three trials, 1925 women, RR 0.90 (95% CI 0.84 to 0.96), NNT 14 (9 to 35)). Women who practised perineal massage were less likely to have an episiotomy (three trials, 2417 women, RR 0.85 (95% CI 0.75 to 0.97), NNT 23 (13 to 111)). Again this reduction was statistically significant for women without previous vaginal birth only (three trials, 1925 women, RR 0.85 (95% CI 0.74 to 0.97), NNT 20 (11 to 110)). No differences were seen in the incidence of 1st or 2nd degree perineal tears or 3rd/4th degree perineal trauma. Only women who have previously birthed vaginally reported a statistically significant reduction in the incidence of pain at three months postpartum (one trial, 376 women, RR 0.68 (95% CI 0.50 to 0.91) NNT 13 (7 to 60)). No significant differences were observed in the incidence of instrumental deliveries, sexual satisfaction, or incontinence of urine, faeces or flatus for any women who practised perineal massage compared with those who did not massage. AUTHORS' CONCLUSIONS Antenatal perineal massage reduces the likelihood of perineal trauma (mainly episiotomies) and the reporting of ongoing perineal pain and is generally well accepted by women. As such, women should be made aware of the likely benefit of perineal massage and provided with information on how to massage.
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Affiliation(s)
- M M Beckmann
- QE2 Jubilee Hospital, Kessels Road, Coopers Plains, Queensland, Australia, 4108.
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27
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Abstract
This paper highlights the importance of personalised relations in institutionalised obstetric care. It seeks to explore the link between objectification and agency, by examining the way in which women find a new subjectivity in motherhood within the walls of the obstetric institution. The paper focuses on obstetric encounters through the lens of labour and intrapartum routine procedures, and argues that when expectant women enter the obstetric institution, a series of relations ensue through their efforts to become connected with the official obstetric system. The hospital organisation and network of relations that originate in it reflect and reproduce a passive role for expectant women and mothers; however, it would be misleading to represent their behaviour as simply "compliant". Expectant mothers value the connectedness with the obstetric system exemplified by personalised patient-practitioner relations because it is a guarantee of safety. They are happy to follow clinicians' instructions, even when this implies significant sacrifice or suffering because they are projected towards fulfilling their parenting desires. Compliance, like resistance then, is here intended to be understood as yet another maternal strategy, and as such it is the most widespread, deployed by women in order to achieve their ideals and desires.
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Affiliation(s)
- Lucia M Tanassi
- Social Anthropology Department, University of Cambridge, Free School Lane, Cambridge CB2 3RF, UK.
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Herrera B, Gálvez A. Episiotomía selectiva: un cambio en la práctica basado en evidencias. ACTA ACUST UNITED AC 2004. [DOI: 10.1016/s0304-5013(04)76029-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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29
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Abstract
Genital tract trauma is a common outcome of vaginal birth, and can cause short-term and long-term problems for new mothers. Preventive measures have not been fully explicated. Midwives use a variety of hand maneuvers late in the second stage of labor, in the belief that genital trauma can be reduced. However, none of these care measures have been rigorously tested to determine if they are effective. A midwifery practice offers an ideal setting to study the relationship of hand techniques by the birth attendant to reduction of genital tract trauma.
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Affiliation(s)
- Leah L Albers
- College of Nursing, University of New Mexico, Nursing/Pharmacy Building Room 216, Albuquerque, NM 87131-5688, USA
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30
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Abstract
This review traces the clinical use of episiotomy from the eighteenth century to the present and explains why the procedure has a restricted function in current practice. The types of episiotomy are described, and the controversies surrounding the sequelae associated with the procedure are explored. The modern indications for episiotomy including the procedure's place at operative vaginal delivery are discussed. Although the role of the episiotomy in modern obstetrics may be limited, the procedure is important in situations involving nonreassuring fetal status, shoulder dystocia, and perhaps operative vaginal delivery. The optimal type of episiotomy, if any, at forceps or vacuum delivery is yet to be determined.
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Affiliation(s)
- Jane Cleary-Goldman
- Division of Maternal-Fetal Medicine, Department of Obstetrics & Gynecology, Columbia Presbyterian Medical Center, New York, NY 10032, USA
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Shorten A, Shorten B. Perineal outcomes in NSW public and private hospitals: analysing recent trends. AUSTRALIAN JOURNAL OF MIDWIFERY : PROFESSIONAL JOURNAL OF THE AUSTRALIAN COLLEGE OF MIDWIVES INCORPORATED 2002; 15:5-10. [PMID: 12219425 DOI: 10.1016/s1445-4386(02)80011-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Women using private health insurance for pregnancy care may be unaware of the impact that this choice has in increasing their risk of experiencing a range of interventions during childbirth. This paper identifies recent trends in episiotomy rates and perineal outcomes for New South Wales (NSW) public and private hospitals between 1997 and 1999. Clear and consistent differences exist in birth outcomes in NSW private hospitals in respect to greater episiotomy use and poorer overall perineal outcomes, higher caesarean section rates and higher instrumental birth rates. Given the potential health impact for women who experience intervention during childbirth, identification of clinically unjustified practices is an important step towards ensuring that women's choices provide them with optimal childbirth outcomes regardless of their health insurance status.
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Affiliation(s)
- Allison Shorten
- Department of Nursing, University of Wollongong, Northfields Ave, Wollongong, NSW, Australia, 2522
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Woodman PJ, Graney DO. Anatomy and physiology of the female perineal body with relevance to obstetrical injury and repair. Clin Anat 2002; 15:321-34. [PMID: 12203375 DOI: 10.1002/ca.10034] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The female perineal body is a mass of interlocking muscular, fascial, and fibrous components lying between the vagina and anorectum. The perineal body is also an integral attachment point for components of the urinary and fecal continence mechanisms, which are commonly damaged during vaginal childbirth. Repair of injuries to the perineal body caused by spontaneous tears or episiotomy are topics too often neglected in medical education. This review presents the anatomy and physiology of the female perineal body, as well as clinical considerations for pelvic reconstructive surgery.
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Affiliation(s)
- Patrick J Woodman
- Department of Obstetrics and Gynecology, Madigan Army Medical Center, Tacoma, Washington, USA.
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Abstract
BACKGROUND Episiotomies are the most frequently performed surgical procedure among United States women, but there are no published epidemiological studies of the extent of variation in episiotomy use among different obstetrical providers, or the outcomes associated with different levels of use. The objective of this study was to assess the extent of hospital variation in the use of episiotomy and the relationship between hospital episiotomy use and the incidence and risk of perineal trauma among women residing in a large urban area in the United States. METHODS Linked birth certificate and hospital discharge data pertaining to births to nulliparous women without prolonged labor or obstructed deliveries, and with infants weighing between 2500 and 4000 g, were analyzed for 18 major maternity hospitals. The relationship between episiotomy use and perineal trauma at the hospital level was examined using regression analysis. RESULTS Hospital episiotomy rates ranged from approximately 20 to 73 percent. The rate of third or fourth degree perineal lacerations varied from a low of 4 percent to a high of more than 13 percent among hospitals. Rates of episiotomy were significantly correlated with rates of a third or fourth degree perineal laceration (r = 0.70; p < 0.01), and with the hospital-specific, adjusted odds ratios for such lacerations (r = 0.65; p < 0.01). CONCLUSIONS Findings from the analysis of epidemiological data for this study population were consistent with those from clinical studies, indicating that liberal as opposed to restrictive use of episiotomy is unwarranted, and probably even harmful. Hospital episiotomy rates exceeded 20 percent in all cases, but such rates appear difficult to justify in face of the evidence.
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Affiliation(s)
- David A Webb
- Philadelphia Department of Public, Pennsylvania 19146, USA
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Hudson CN, Sohaib SA, Shulver HM, Reznek RH. The anatomy of the perineal membrane: its relationship to injury in childbirth and episiotomy. Aust N Z J Obstet Gynaecol 2002; 42:193-6. [PMID: 12069149 DOI: 10.1111/j.0004-8666.2002.00193.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Episiotomy during childbirth, intended to protect the anal sphincter, may fail to do so. Furthermore damage to the anal sphincter complex may occur without complete perineal tear. We hypothesise that these particular injuries may occur due to posterior displacement of the anus leading to distraction of the anal sphincter complex from an anterior attachment to the perineal membrane. However, the anatomical basis for this has not been well defined. OBJECTIVE To investigate the relationship between the anal sphincter and the perineal membrane. MATERIALS AND METHODS High-resolution MRI scans of a female cadaver perineum were performed. The imaging findings were correlated with the anatomical structure identified on dissection and histological examination. RESULTS The perineal membrane was easily identified on MR imaging. Fibres from the perineal membrane could be seen to attach to the anal sphincter complex at the apex of the perineal body This was confirmed on histological examination and was a deeper layer than that of the decussation of the superficial transverse perineal muscle with the superficial part of the external anal sphincter. CONCLUSION The upper ano-rectal canal and apex of the perineal body have demonstrable attachment to the free margin of the perineal membrane postero-lateral to the lower vagina. This attachment would resist posterior displacement of the anal canal.
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Affiliation(s)
- Christopher N Hudson
- Department of Obstetrics and Gynaecology, St Bartholomew's and Royal London School of Medicine and Dentistry of Queen Mary College, United Kingdom
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Althabe F, Belizán JM, Bergel E. Episiotomy rates in primiparous women in Latin America: hospital based descriptive study. BMJ 2002; 324:945-6. [PMID: 11964339 PMCID: PMC102327 DOI: 10.1136/bmj.324.7343.945] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Fernando Althabe
- Latin American Center for Perinatology, Pan American Health Organization, World Health Organization, Casilla de Correos 627, Montevideo 11000, Uruguay.
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Shorten A, Donsante J, Shorten B. Birth position, accoucheur, and perineal outcomes: informing women about choices for vaginal birth. Birth 2002; 29:18-27. [PMID: 11843786 DOI: 10.1046/j.1523-536x.2002.00151.x] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND The literature is tentative in establishing links between birth position and perineal outcome. Evidence is inconclusive about risks and benefits of women's options for birth position. The objective of this study was to gain further evidence to inform perinatal caregivers about the effect of birth position on perineal outcome, and to assist birth attendants in providing women with information and opportunities for minimizing perineal trauma. METHODS Data from 2891 normal vaginal births were analyzed. Descriptive statistics were obtained for variables of interest, and cross-tabulations were generated to explore possible relationships between perineal outcomes, birth positions, and accoucheur type. Logistic regression models were used to examine potential confounding and interaction effects of relevant variables. RESULTS Multiple regression analysis revealed a statistically significant association between birth position and perineal outcome. Overall, the lateral position was associated with the highest rate of intact perineum (66.6%) and the most favorable perineal outcome profile. The squatting position was associated with the least favorable perineal outcomes (intact rate 42%), especially for primiparas. A statistically significant association was demonstrated between perineal outcome and accoucheur type. The obstetrician group generated an episiotomy rate of 26 percent, which was more than five times higher than episiotomy rates for all midwife categories. The rate for tear requiring suture of 42.1 percent for the obstetric category was 5 to 7 percentage points higher than that for midwives. Intact perineum was achieved for 31.9 percent of women delivered by obstetricians compared with 56 to 61 percent for three midwifery categories. CONCLUSION Findings contribute to growing evidence that birth position may affect perineal outcome. Women's childbirth experiences should reflect decisions made in partnership with midwives and obstetricians who are equipped with knowledge of risks and benefits of birthing options and skills to implement women's choices for birth. Further identification and recognition of the strategies used by midwives to achieve favorable perineal outcomes is warranted.
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Affiliation(s)
- Allison Shorten
- Faculty of Health and Behavioural Sciences, University of Wollongong, New South Wales, Australia
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Abstract
Basically, vaginal delivery is associated with the risk of pelvic floor damage. The pelvic floor sequelae of childbirth includes anal incontinence, urinary incontinence and pelvic organ prolapse. Pathophysiology, incidence and risk factors for the development of the respective problems are reviewed. Where possible, recommendations for reducing the risk of pelvic floor damage are given.
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Affiliation(s)
- C Dannecker
- University Hospital München, Department of Obstetrics and Gynecology, Germany.
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Shorten A, Shorten B. Women's choice? The impact of private health insurance on episiotomy rates in Australian hospitals. Midwifery 2000; 16:204-12. [PMID: 10970754 DOI: 10.1054/midw.2000.0225] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To assess the extent to which variations in episiotomy rates in Australian hospitals are justified by clinical variables and to further explore the relationships between episiotomy, insurance status, perineal trauma and outcomes for babies. DESIGN A retrospective analysis of anonymous medical record data using logistic regression models, aimed at identifying factors influencing both episiotomy rates and outcomes for babies. SETTING A large regional public hospital, New South Wales, Australia. PARTICIPANTS The study sample consisted of 2028 women who delivered vaginally during a 12 month period during 1996-1997. RESULTS After controlling for clinical and other factors privately insured women were estimated to be up to twice as likely to experience episiotomy as publicly insured women. This difference most plausibly reflects differences in labour management styles between obstetricians and midwives. Other significant contributors to episiotomy were instrumental delivery, indications of possible fetal distress and lower parity. Severe perineal trauma (third degree tear) was found to be positively associated with episiotomy. Furthermore, the incidence of additional tears requiring suture was also substantially higher among privately insured women, the net effect being that these women had a substantially lower chance of achieving an intact perineum. Neither episiotomy nor insurance status had any significant effect on the well-being of babies. IMPLICATIONS FOR PRACTICE Private health insurance appears to deny many women the opportunity of achieving normal vaginal delivery with intact perineum. Episiotomy rates amongst privately insured women in Australia may be higher than is clinically appropriate, and severe perineal trauma within this study was associated with this practice.
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Affiliation(s)
- A Shorten
- Department of Nursing, University of Wollongong, Northfields Ave, Wollongong, NSW, Australia 2522
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Low LK, Seng JS, Murtland TL, Oakley D. Clinician-specific episiotomy rates: impact on perineal outcomes. J Midwifery Womens Health 2000; 45:87-93. [PMID: 10812853 DOI: 10.1016/s1526-9523(00)00003-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Recent, large, randomized, controlled trials of the effects of episiotomy on perineal damage have confirmed that episiotomy is associated with an increased risk of damage to the perineum. Yet episiotomy remains the most common surgical procedure women undergo. This article examines if clinician experience, rather than scientific evidence, forms the basis for continuing this practice. Perineal outcome data are analyzed for 865 low-risk women who were attended at birth by the staff nurse-midwives or faculty obstetricians at a university-based, tertiary-care hospital. Data were collected under routine, nonexperimental conditions such that the circumstances of the labor and the clinician's preferences were allowed to determine management decisions regarding the use of episiotomy or other techniques of perineal management. Multivariate findings indicate that in the absence of episiotomy, rates of perineal integrity were highest among clinicians who usually had the lowest rate of episiotomy use. When an episiotomy was done, rates of third- and fourth-degree extensions were highest among clinicians who used episiotomy most frequently. This finding challenges the idea that clinicians who were very experienced with the use of episiotomy would avoid complications such as extensions. Future research should explore the use of nonsurgical techniques such as those employed by midwives to promote perineal integrity. Then interdisciplinary research and evidence-based education regarding these techniques can occur to improve perineal outcomes for all women.
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Affiliation(s)
- L K Low
- Nurse-Midwifery Service, University of Michigan Health System, USA
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FISTULA-IN-ANO AFTER EPISIOTOMY. Obstet Gynecol 1999. [DOI: 10.1097/00006250-199905001-00001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Zetterström JP, López A, Anzén B, Dolk A, Norman M, Mellgren A. Anal incontinence after vaginal delivery: a prospective study in primiparous women. BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY 1999; 106:324-30. [PMID: 10426238 DOI: 10.1111/j.1471-0528.1999.tb08269.x] [Citation(s) in RCA: 97] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To investigate the incidence and degree of anal incontinence after vaginal delivery among primiparous women and to define associated risk factors. DESIGN Prospective observational study. SETTING Karolinska Institutet, Danderyd Hospital, Sweden, a university hospital. PARTICIPANTS Three hundred and forty-nine primiparous women. METHODS Questionnaires distributed within the first days after delivery and re-distributed five and nine months postpartum. Analysis of delivery records. RESULTS Eighty percent of the women answered all questionnaires. At five months postpartum, 2% of the women had symptoms of faecal incontinence and 25% had symptoms of involuntary flatus. At nine months postpartum, 1% of the women had symptoms of faecal incontinence and 26% had symptoms of involuntary flatus. The majority of the women had infrequent symptoms and a decrease in severity was noted at nine months. Symptoms of incontinence were more common in women who sustained a sphincter tear at delivery. Risk factors for incontinence at five months included maternal age, duration of the second stage of labour, instrumental vaginal delivery, and clinically diagnosed sphincter tear at delivery. Development of incontinence at nine months was associated with maternal age and clinically diagnosed sphincter tear at delivery. CONCLUSIONS The present study demonstrates that infrequent involuntary flatus is a common symptom after vaginal delivery in primiparous women. These symptoms of involuntary flatus frequently improved and only a few women suffered from frank faecal incontinence. Factors associated with an increased risk of anal incontinence and sphincter tears should be considered during delivery.
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Affiliation(s)
- J P Zetterström
- Division of Obstetrics and Gynaecology, Karolinska Institutet, Danderyd Hospital, Stockholm, Sweden
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Abstract
BACKGROUND The purpose of this study was to produce a minimum estimate of the prevalence of episiotomy use in Canada, and to investigate the trend in its use between 1981/1982 and 1993/1994. METHOD A retrospective population case series study was conducted using hospital discharge abstracts. Outcome measures were the count of episiotomies performed during a 12-month period and the episiotomy rate per 100 vaginal births. RESULTS For more than a decade, official statistics have significantly underreported episiotomy use by as much as 50 percent. In 1993/1994 at least 37.7 percent of women giving birth vaginally in Canada are known to have received an episiotomy. Between 1981/1982 and 1993/1994 its prevalence declined 29.1 percent, with the greatest decline occurring during the 1990s. This decline did not result from changes in parity in the population. The decrease in episiotomy use during this 13-year period is more than twice that found in the United States (a decline of only 13.6%). CONCLUSIONS The reporting of official statistics on obstetric procedures in Canada should be modified to include all known cases of episiotomy. The observed downward trend in the rate of this procedure is encouraging, and is in the direction of evidence-based recommendations advocating its restrictive use.
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Affiliation(s)
- I D Graham
- Clinical Epidemiology Unit (C410), Ottawa Civic Hospital, Ontario, Canada
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