Chorioamnionitis and Vaginal Examinations in Labor

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Chorioamnionitis and Vaginal Examinations in Labor Chorioamnionitis and Vaginal Examinations in Labor Unja Kim, RN, Ashley Stowers, RN, Andrea Chaldek, RN, Molly Lockwood, RN, Nyree Van Maarseven, RN, Anna Woertler, RN, and Catherina Madani, PhD, RN Background Specific Aims Findings Chorioamnionitis is an infection of the placental membranes and of To explore current knowledge, attitudes, and practices of healthcare Of nine risk factors for chorioamnionitis described in the the amniotic fluid. Chorioamnionitis usually occurs when providers regarding vaginal exams and chorioamnionitis. case study, less than half of all nurses were able to correctly membranes are ruptured, and results from the migration of identify five or more risk factors. cervicovaginal bacteria into the uterus.1 More than one third of nurses sampled reported being more aggressive with their VE frequency (i.e., they would Chorioamnionitis is one of the most frequent causes of infant illness perform 4 or more VEs in the case study presented). and is associated with 20 to 40% of cases of early onset neonatal Methodology Nurses’ years of experience were found to be negatively sepsis and pneumonia.2 Other complications include: correlated with the number of VEs performed, rsp(76) = Neonatal Maternal -.330, p = 0.004. Nurses with more years of labor and Cerebral white matter damage Postpartum hemorrhage Cross sectional descriptive study looking at 76 registered delivery experience were less likely to perform VEs in the Neurodevelopmental delay Endometritis nurses working in labor and delivery units at 3 San Diego case study scenarios presented Cerebral palsy Sepsis hospitals. Participants completed written surveys assessing Pneumonia demographics, personality type, and attitudes and practices Sepsis when caring for laboring patients – including vaginal exam frequency. The risk factors that contribute to the development of chorioamnionitis include: Maternal Group Beta Streptococcus infection Induction of labor Prolonged labor (>24 hours) Instrument & Data Analysis Prolonged rupture of membranes (>18 hours) Use of invasive instruments (e.g., intrauterine pressure catheters) Vaginal exams Researchers developed a survey with: • 8 Likert-type questions regarding # of VEs performed in Vaginal exams (VEs) have become an established part of routine a 2-3 hour period for various pregnancy conditions intrapartum care; however, the evidence to support the current • 2 case studies assessing: (1) ability to identify frequency of this practice is limited. What is known, however, is chorioamanionitis risk factors, & (2) VE practice Analysis: descriptive, correlation and between group analysis that fewer VEs decrease the likelihood of infections, and that was performed. eight or more VEs during labor increase the risk for chorioamnionitis3. The World Health Organization recommends limiting vaginal exams to only those that are strictly necessary, or at most every four hours during the first stage of labor4. References Implications A recent Kaiser study of all singleton births from 1995-2010 revealed that the incidence of chorioamnionitis has more than 1. Tita, A.T.N. (2015). Intraamniotic infection (chorioamnionitis). UpToDate. Retrieved from: Further education is needed among healthcare providers doubled, from 2.7% to 6.0%.5 Therefore, while chorioamnionitis is a http://www.uptodate.com/contents/intraamniotic-infection-chorioamnionitis 2. Cornette ,L.(2004). Fetal & neonatal inflammatory response & adverse outcome. Seminars in Fetal and regarding: serious condition, rates are on the rise. VE frequency is one risk Neonatal Medicine, 9, 459. • Identification of risk factors for chorioamnionitis 3. Borders, N., Lawton, R., Martin, S.R. (2012). A clinical audit of the number of vaginal examinations in factor healthcare providers have control over. More information is labor: a NOVEL idea. Journal of Midwifery & Women’s Health, 57, 139-144 • Utilization of evidence-based chorioamnionitis prevention needed to assess health care providers current chorioamnionitis 4. World Health Organization. (1996). Care in normal birth: a practical guide. Retrieved from: strategies such as, http://www.who.int/reproductivehealth/pulbications/mterna_perinatal_health/MSM_96 knowledge, and VE practice. Background 5. Fassett, M.J., Wing, D.A., Getahun, D. (2013). Temporal trends in chorioamnionitis by maternal --Reducing vaginal examination frequency race/ethnicity and gestational age (1995-2010). International Journal of Reproductive Medicine, 1-6. --Incorporating alternative non-VE, or alternate methods for assessing labor progress.
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