A Comparison of Visual Estimate versus Calculated Estimate of Blood Loss at Vaginal Delivery
Journal Title: Journal of Advances in Medicine and Medical Research - Year 2016, Vol 11, Issue 4
Abstract
Aims: To compare blood loss following vaginal delivery by two different methods: visually estimated blood loss (vEBL) and calculated estimate of blood loss (cEBL). Study Design: Postpartum blood loss was analyzed during 2 different time frames: 1. Traditional estimation (vEBL) of blood loss and 2. Following training, with the use of a systematic method (cEBL). Place and Duration of Study: Department of Labor and Delivery at Maricopa Medical Center in Phoenix, Arizona. Charts were reviewed from September and October 2009 and from September 2010. Methodology: This was a retrospective cohort study in which blood loss was compared using two different methods. Traditional physician estimate of blood loss at vaginal delivery, “vEBL” was compared to a more formal determination of blood loss “cEBL” - calculated blood loss. Results: The cEBL subjects (mean age 28.0+/-6.6) were significantly older than the vEBL subjects (mean age 25.4+/-5.8). The two groups were otherwise similar. Mean blood loss was compared across the two methods using Analysis of Variance. Mean blood loss was 324 for the cEBL group, and 309 for the vEBL group (F(1,192)=0.76, p=.385). Although the difference in mean blood loss was not statistically significant, the variance of the cEBL method was significantly larger (P<.0005). 2/94 (2.1%) of patients in the vEBL group were noted to have blood loss ≥500cc; 11/100 (11%) of patients in the cEBL group were noted to have blood loss ≥500cc. Conclusion: The variance for the cEBL method was significantly greater than in the vEBL group, suggesting that postpartum hemorrhage may be diagnosed sooner with this method. As calculation of blood loss postpartum is increasingly endorsed we recommend further study to determine the typical range for blood loss with measurement via this technique.
Authors and Affiliations
Patricia J. Habak, Kristen Patters, Amber N. Abeyta, Carina Gonzalez, Moussa Keita, David Drachman, Dean V. Coonrod
Keywords
Related Articles
- EP ID EP340251
- DOI 10.9734/BJMMR/2016/19239
- Views 77
- Downloads 0
Dental Problems Associated with Hepatitis C Infection: A Report from Iran
Background: Infection with hepatitis C virus is a problem with global importance. Patients with HCV infection experience a wide spectrum of extrahepatic manifestations, a number of which occur in the oral cavity. Despite...
A Novel Sclerectomy Technique for Glaucoma and Ocular Hypertension Treatment
Purpose: To introduce and evaluate the efficacy and safety of a new surgical scleral technique for treatment of glaucoma based on the concept of scleral biomechanics. Methods: Twelve 3-month-old New Zealand white rabbit...
Applying Ethical Guidelines in Clinical Researches among Academic Medical Staff: An Experience from South Egypt
Background: There is an increased need to conduct medical research in developing countries. Meanwhile, research ethics is needed to achieve the balance between advancement in science and protection of human subjects’ rig...
Longevinex ® Improves Human Atrophic Aged-related Macular Degeneration (AMD) Photoreceptor / Retinal Pigment Epithelium Mediated Dark Adaptation
Aim: Gradual photoreceptor/ RPE deterioration/ vision loss in AMD is common, irrespective of US NEI AREDS I/II supplement risk reduction, or intra-vitreal anti-VEGF pharmacology. We evaluated dark adaptation (DA), a broa...
Quality of Life among Moroccan Women Undergoing Treatment of Breast Cancer
Introduction: The aim of this study was to evaluate quality of life of Moroccan women with breast cancer and studied its association with clinical and demographic characteristics. Methods: A cross-sectional study was car...