Midwifery management of second-degree perineal tears in New Zealand: A cross-sectional survey of practice

Background

Second-degree tears are the most common form of perineal trauma occurring after vaginal birth managed by New Zealand midwives, although little is known about midwives’ perineal practice.

Curved versus straight scissors to avoid 3rd and 4th degree perineal tears: A randomised feasibility study

BackgroundSevere perineal tears sustained during childbirth cause significant distress and morbidity amongst women. The objective of this study was to compare the use of straight scissors for cutting an episiotomy with the use of curved scissors, which are designed to curve away from the anal sphincter.MethodsWe used a single-centre, randomised feasibility trial. The intervention was the use of curved scissors. Women were recruited during a prenatal visit and randomised in the delivery suite, when it became clear that an episiotomy was required. The feasibility outcomes were the proportion of women able to be recruited, randomised and followed up. We also calculated the incidence of obstetric anal sphincter injury when either straight or curved scissors were used to cut an episiotomy. Other outcomes assessed were pain, length of hospital stay, perineal infection and perineal dehiscence.ResultsOf the 155 patients recruited in the prenatal period, only 20 (12.9%) were eventually randomised at birth. The main reasons for the high loss were that women either did not have a vaginal delivery (38, 24.5%), or they did not need an episiotomy (72, 46.5%). Rates of obstetric anal sphincter injury and other outcomes were similar between groups.DiscussionAnal sphincter injury during childbirth remains an important problem. Although the use of curved scissors provides a theoretical solution, we found that the high attrition rate made feasibility of conducting a suitably powered, randomised trial using the current design untenable. Alternative strategies have been suggested to make any future study more viable.     

高速铁路钢轨波浪型磨耗研究及其防治建议

基于中国高速铁路钢轨出现波磨的现象，对高速铁路波磨的特点做了详细介绍。指出目前波磨理论的局限性，并分析了高速状态下波磨的动力学成因，以及钢轨材质对波磨的影响，并给出了可行的预防与减缓波磨的建议。     

笑与泪

无论是喜剧还是悲剧,其审美价值的最终实现都体现于接受者的情绪上.因而,从审美情绪入手,探寻接受者情绪表现差异的缘起和生发,我们将会对喜剧和悲剧审美本质的差异有更新的认识和感悟.     

Episiotomy practice in the Middle East: A Lebanese teaching tertiary care centre experience

Problem

There is lack of data on the rate of episiotomy in Lebanon and the study’s hospital.

Risk factors for severe perineal trauma during vaginal childbirth: A Western Australian retrospective cohort study

AimTo determine rates and risk factors for third and fourth degree perineal tears (severe perineal trauma) in a Western Australian context.Design and settingA retrospective hospital-based cohort study was performed using computerised data for 10,408 singleton vaginal deliveries from 28 weeks gestation.MethodsWomen with severe perineal trauma were compared to those without. Logistic regression analysis, stratified by parity, was used to assess demographic and obstetric factors associated with perineal trauma.ResultsSevere perineal trauma incidence was 3% (338/10408), 5.4% (239/4405) for primiparas and 1.7% (99/5990) for multiparas (p < 0.001). Adjusted risk factors associated with trauma and common across parity included Asian or Indian ethnicity, shoulder dystocia and assisted delivery. Epidural analgesia (OR 0.72, 95% CI 0.54–0.96), preterm birth (OR 0.40, 95% CI 0.23–0.72) and episiotomy (OR 0.54, 95% CI 0.39–0.74) were protective in primiparas, while episiotomy was associated with increased risk in multiparas (OR 2.01, 95% CI 1.18–3.45). Additional factors among primiparas were occipito posterior (OP) delivery (OR 3.35, 95% CI 1.75–6.41) and prolonged second stage (OR 1.98, 95% CI 1.46–2.68), and among multiparas included gestational diabetes (OR 1.78, 95% CI 1.04–3.03) and birth weight >4000 g (OR 1.86, 95% CI 1.10–3.15).ConclusionParity differences in risk factors such as episiotomy, infant weight, OP delivery, gestational diabetes and prolonged second stage warrant investigation into clinical management. Although rates differ internationally, and replication evidence has confirmed consistency for certain demographic and obstetric factors, the development of internationally endorsed clinical guidelines and further research around interventions to protect the perineum are recommended.     

What are the views of midwives in relation to perineal repair?

PURPOSE: To determine the views of midwives towards perineal repair and the most effective way to teach and support midwives in developing this skill. PROCEDURE: A questionnaire was distributed to 111 midwives who attended a 1-day seminar. Information was sought on a range of views relating to perineal repair, including experience, confidence, education and accreditation, attitudes and trends. FINDINGS: One hundred and six (96%) questionnaires were returned. All respondents (100%) believed midwives should be taught to undertake perineal repair. The most important reason was to provide continuity of care for women. Experience increased confidence and enjoyment in undertaking perineal repair as well as lessening fears over the impact of suturing on women. Experience did not significantly impact on concerns regarding legal implications associated with perineal repair. Three quarters of respondents reported that midwifery students should have practical experience of perineal repair. There was strong support for doctors and midwives to undertake perineal repair education together (96%), preferably in a 1-day workshop format (56%); for standards to be set by the professional colleges (midwifery and obstetrics) (66%); for midwives and doctors to be accredited as competent before performing perineal repair independently (>90%) and for regular updates in perineal repair (93%). The majority of midwives (73%) felt that they were more likely to suture than 5 years ago, due mainly to a greater appreciation of woman centred care (35%). Over 60% of midwives said they would not suture a first-degree tear more than half of the time and 13% would not suture a second-degree tear more than half of the time. PRINCIPLE CONCLUSION: A desire to provide continuity of care appears to be a major motivator for midwives to learn to undertake perineal repair. There is need for standards to be set for perineal repair to encourage consistency in education. Perineal repair programs that involve midwives and doctors training together have strong support from midwives but it is unclear if doctors would also support this. Further research is needed to support or refute the trend for midwives to not suture some perineal trauma.     

李贺诗歌中的泪世界初探

前人旱已指出李贺诗中喜用啼、泣等字,但多限于局部考察,实有全面探究之必要。他大量的物之泪、鬼神之泪,彰显了一往情深、穿幽入仄的冷艳谲怪诗风;他的自我之泪、现实之泪则展示了情真意切的一面,可以供我们多维的认识诗人的风格。他的相关诗歌在泪意象的发展史上,也彰显出了长吉体式的诗艺独创性。