1 / 39

Introdução à Medicina II Class 16 Advisers : Mário Dinis-Ribeiro Ricardo Santos

Birth weight references throughout Western Europe: Characterization of its usage by neonatologists. Introdução à Medicina II Class 16 Advisers : Mário Dinis-Ribeiro Ricardo Santos Francisco Mourão. SUMMARY. Introduction Aim Methods Results Discussion / Conclusion. INTRODUCTION.

lesley-dyer
Télécharger la présentation

Introdução à Medicina II Class 16 Advisers : Mário Dinis-Ribeiro Ricardo Santos

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Birth weight references throughout Western Europe: Characterization of its usage by neonatologists • Introdução à Medicina II • Class 16 • Advisers: • MárioDinis-Ribeiro • Ricardo Santos • Francisco Mourão fmupturma16@googlegroups.com

  2. SUMMARY • Introduction • Aim • Methods • Results • Discussion/Conclusion fmupturma16@googlegroups.com

  3. INTRODUCTION • Over the past years, there has been several studies about birth weight curves. • They contributed to define normal and abnormal reference values [1], that are useful for clinical, public health and investigational purposes. [2] 1987 Present [3] 1- McIntire DD, Bloom SL, et al. Birth weight in Relation to Morbidity and Mortality among Newborn Infants. N Engl J Med 1999 2- Brenner WE, Edelman DA, Hendricks CH. A standard of fetal growth for the United States of America. AM J Obstet Gynecol 1976 3- Fok, T F, So, H K, et al. Updated gestational age specific birth weight, crown-hell length, and head circumference of Chinese newborns. Arch Dis Child Fetal Neonatal 2003 fmupturma16@googlegroups.com

  4. INTRODUCTION 4 - Gardosi J, Mongelli M, Wilcox M, Chang A. An adjustable fetal weight standard Ultrasound Obstet Gynecol 1995 5 - Merialdi M, Caulfield LE, Zavaleta N, et al. Fetal growth in Peru: comparisons with international fetal size charts and implications for fetal growth assessment Ultrasound Obstet Gynecol. 2005 fmupturma16@googlegroups.com

  5. INTRODUCTION 6 - Kramer Michael, et al. A new and Improved Population-Based Canadian Reference for Birth Weight for Gestational Age Pediatics 2001 7 - Zhang J, Bowes WA Jr. Birth-weight-for-gestational-age patterns by race, sex, and parity in the United States population. Obstet Gynecology 1995 fmupturma16@googlegroups.com

  6. INTRODUCTION Dissimilaritiesinbirthweightcurves Wrong Diagnoses Diseases related with growth restriction [8] or with large birth weight. [9] [10] 8 - Zhang Jun, et al. Defining normal and abnormal fetal growth: promises and challenges. American Journal of Obstetrics & Gynacology 2010 9 - Teresa To, Jun Guan, Chengning Wang, et al. Is large birth weight associated with asthma risk in early childhood? ADC 2010 10 - Tanis R Fenton, A new growth chart for preterm babies: Babson and Benda's chart updated with recent data and a new format, 1Department of Community Health Sciences, Faculty of Medicine, University of Calgary 2003 fmupturma16@googlegroups.com

  7. INTRODUCTION Alexander, G. (1996) [11] 11 - Alexander, G., et al., A United States national reference for fetal growth. Obstet Gynecol, 1996. 87: p. 163 - 168. fmupturma16@googlegroups.com

  8. INTRODUCTION Fenton, T. (2003) “The postnatal growth data of 4 of the infant cohorts from the National Institute of Child Health and Human Development Neonatal Research Network superimposed on the new chart.” [12] 12 - Fenton, T., A new growth chart for preterm babies: Babson and Benda's chart updated with recent data and a new format. BMC Pediatrics, 2003. 3(1): p. 13. fmupturma16@googlegroups.com

  9. INTRODUCTION Olsen, I.E (2010) 13 - Olsen, I.E., New Intrauterine Growth Curves Based on United States Data. Pediatrics, 2010. 125(2): p. e214-e224.

  10. SUMMARY • Introduction • Aim • Methods • Results • Discussion/Conclusion fmupturma16@googlegroups.com

  11. AIM fmupturma16@googlegroups.com

  12. SUMMARY • Introduction • Aim • Methods • Results • Discussion/Conclusion fmupturma16@googlegroups.com

  13. METHODS • Selected population: Neonatologists working on Western European Hospitals with >1500 births-per-year fmupturma16@googlegroups.com

  14. METHODS Western Europeancountries selected by UNESCO definition fmupturma16@googlegroups.com

  15. METHODS • Analyze the number of births per hospital If this information was not included on their online data bases fmupturma16@googlegroups.com

  16. METHODS • Select the Western European Hospitals that meet our requirements. Overthan1500birthsperyear Lessthan1500birthsperyear Selectedrandomly 20 hospitals per country (whenthecountryhas more than 20 hospitals) Eliminated fmupturma16@googlegroups.com

  17. METHODS

  18. METHODS • Contact the neonatology department of each selected Hospital, sending a online survey. fmupturma16@googlegroups.com

  19. METHODS • If the neonatology department of each hospital did not answer… After another week without answer After one week fmupturma16@googlegroups.com

  20. METHODS - Survey fmupturma16@googlegroups.com

  21. METHODS fmupturma16@googlegroups.com

  22. METHODS • Analyze the results and discuss. Analysis of the data collected via statistical methods PASW Statistics 18 Microsoft Office Excel 2007 Graphing fmupturma16@googlegroups.com

  23. SUMMARY • Introduction • Aim • Methods • Results • Discussion/Conclusion fmupturma16@googlegroups.com

  24. RESULTS fmupturma16@googlegroups.com

  25. RESULTS n = 28 n =2 not responded n = 2 n = 3 n = 1 fmupturma16@googlegroups.com

  26. Births per Hospital: RESULTS n=36 n=4 n=8 fmupturma16@googlegroups.com

  27. RESULTS n=2 n=4 n=30 fmupturma16@googlegroups.com

  28. In 94% ofthehospitalsthereisoneor more recommendedbirth weight standards/reference table. Allthehospitals use atleastonebirth weight standards/reference table. RESULTS fmupturma16@googlegroups.com

  29. RESULTS Which birth weight standards/reference tables do you use? fmupturma16@googlegroups.com

  30. RESULTS Which birth weight standards/reference tables do you use? “OTHER” - “UK – World Health Organization growth chart” - “CDC growth chart, 2000, USA” - “Niklasson A. and Karlberg P 1999, Sveeden” - “BMUS approved Chitty charts based on the Hadlock formula” fmupturma16@googlegroups.com

  31. RESULTS n=10 n=10 n=8 n=3 n=3 n=1 It has been used for many years We have done some research and it is considered the most suitable No opinion It is the hospital/ department policy It was produced for our population Other reason

  32. SUMMARY • Introduction • Aim • Methods • Results • Discussion/Conclusion fmupturma16@googlegroups.com

  33. DISCUSSION/ CONCLUSION fmupturma16@googlegroups.com

  34. DISCUSSION/ CONCLUSION fmupturma16@googlegroups.com

  35. DISCUSSION/CONCLUSION Reasons behind the large percentage of acritical use of the Birth weight references… fmupturma16@googlegroups.com

  36. DISCUSSION/CONCLUSION PossibleBias fmupturma16@googlegroups.com

  37. DISCUSSION/CONCLUSION Thegreatmajorityofthepeoplewhoansweredhadclinicalfunctionsinthe hospital; InPortugal theLubchenkocurve isthemostused, whileintheotherscountriestheyprefernationalandother curves; Thegreatmajorityansweredthatthey do not use appropriatlythe curves to thenewborn/maternal variables, inspiteconsideringthisanimportantmatter. fmupturma16@googlegroups.com

  38. ACKNOWLEDGEMENTS • Professor Doutor Altamiro Pereira • Professor Doutor Mário Dinis-Ribeiro • Doutor Ricardo Santos • Francisco Mourão • Eng.º Jorge Jácome • CIDES fmupturma16@googlegroups.com

More Related