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GDM diagnosis after the IADPSG recommendations. J. Craus , C. Savona-Ventura, G. Buhagiar University of Malta Medical School, Msida (Malta). Introduction. Research design and methods. 1278 Maltese women with a high risk assessment for developing GDM underwent a 75g OGTT between 1999-2006.

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gdm diagnosis after the iadpsg recommendations

GDM diagnosis after the IADPSG recommendations

J. Craus, C. Savona-Ventura, G. Buhagiar

University of Malta Medical School, Msida (Malta)

introduction
Introduction

Research design and methods

  • 1278 Maltese women with a high risk assessment for developing GDM underwent a 75g OGTT between 1999-2006.
  • The results were interpreted using 3 different criteria and were related to mean BMI and infant body weight values.

The IADPSG Consesus Panel has suggested new criteria for gestational diabetes (GDM) diagnosis.

The objective of this study was to evaluate the impact these new criteria will have on the number of women diagnosed with GDM when compared to previously used diagnostic standards for the 75-gram glucose load mainly the WHO criteria and the modified ADA criteria.

slide3

Results

50 cases identified as normal by other criteria

  • Statistically increased proportion of abnormal classifications for mADA & IADPSG from WHO – 12% increase.
  • No significant increased proportion from mADA to IADPSG – 0.5% increase.

44.5%

57.0%

57.5%

12.5% increase

0.5% increase

P<0.0001 ***

P=0.81%

P<0.0001 ***

slide4

Results

P=0.03 ***

P=0.30

P=0.38

P=0.79

P=0.21

P=0.52

  • mADA associated with statistically significant high maternal BMI than WHO criteria.
  • No differences noted in Infant birth weights.
conclusion
Conclusion
  • Reduced perinatal mortality & morbidity [dystocia]
  • Possible reduction of foetal-onset of adult disease
  • Increased demand on resources
  • Increased interventions  increased morbidity [CS/prematurity]

An OGTT performed in high risk individuals and analysed using either the modified-ADA or the IADPSG criteria will increase the GDM diagnosis rate by an added 12.5%

The new IADPSG criteria only increased the proportion of women diagnosed as suffering from GDM by 0.5% over the modified-ADA criteria.