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SMFM Clinical Practice Guidelines . Fetal Blood Sampling. Society of Maternal Fetal Medicine with the assistance of Stanley M. Berry, MD, Joanne Stone, MD, Mary E. Norton, MD, Donna Johnson, MD, and Vincenzo Berghella, MD. Published in Am J Obstet Gynecol / September 2013. Objective.

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smfm clinical practice guidelines

SMFM Clinical Practice Guidelines

Fetal Blood Sampling

Society of Maternal Fetal Medicine with the assistance of Stanley M. Berry, MD, Joanne Stone, MD, Mary E. Norton, MD,Donna Johnson, MD, and Vincenzo Berghella, MD

Published in Am J ObstetGynecol/ September 2013

objective
Objective
  • We sought to review indications, technical aspects, risks, and recommendations for fetal blood sampling (FBS).
recommendation 1
Recommendation #1
  • When invasive testing is planned for suspected severe fetal anemia or thrombocytopenia, we recommend FBS as procedure of choice, with availability of immediate transfusion if confirmed
  • Grade recommendation = 1 C
    • Strong recommendation
    • low-quality evidence
recommendation 2
Recommendation #2
  • We recommend against use of FBS for indications in which other less invasive, and therefore lower risk, alternatives are available
  • Grade recommendation = 1 C
    • Strong recommendation
    • low-quality evidence
recommendation 3
Recommendation #3
  • We recommend counseling patients about potential risk of FBS that may include, but may not be limited to: bleeding from puncture site; fetal bradycardia; pregnancy loss; and potentialvertical transmission of hepatitis or HIV

Grade recommendation = Best Practice

recommendation 4
Recommendation #4
  • We recommend that FBS be performed by experienced operators at centers with expertise in invasive fetal procedures when feasible

Grade recommendation = Best Practice

quality of evidence
Quality of evidence

The quality of evidence for each article was evaluated according to the method outlined by the US Preventative Services Task Force:

I Properly powered and conducted randomized controlled trial (RCT); well conducted systematic review or meta-analysis of homogeneous RCTs.

II-1 Well-designed controlled trial without randomization.

II-2 Well-designed cohort or case-control analytic study.

II-3 Multiple time series with or without the intervention; dramatic results from uncontrolled experiment.

III Opinions of respected authorities, based on clinical experience; descriptive studies or case reports; reports of expert committees.

strength of recommendations
Strength of Recommendations

Recommendations were graded in the following categories:

Level A

  • The recommendation is based on good and consistent scientific evidence.

Level B

  • The recommendation is based on limited or inconsistent scientific evidence.

Level C

  • The recommendation is based on expert opinion or consensus.
disclaimer
Disclaimer
  • The practice of medicine continues to evolve, and individual circumstances will vary. This opinion reflects information available at the time of its submission for publication and is neither designed nor intended to establish an exclusive standard of perinatal care. This presentation is not expected to reflect the opinions of all members of the Society for Maternal-Fetal Medicine.
  • These slides are for personal, non-commercial and educational use only
disclosures
Disclosures
  • This opinion was developed by the Publications Committee of the Society for Maternal Fetal Medicine with the assistance of Stanley M. Berry, MD, Joanne Stone, MD, Mary Norton, MD, Donna Johnson, MD, and Vincenzo Berghella, MD, and was approved by the executive committee of the society on March 11, 2012. Dr Berghella and each member of the publications committee (Vincenzo Berghella, MD [chair], Sean Blackwell, MD [vice-chair], Brenna Anderson, MD, Suneet P. Chauhan, MD, Jodi Dashe, MD, Cynthia Gyamfi-Bannerman, MD, Donna Johnson, MD, Sarah Little, MD, Kate Menard, MD, Mary Norton, MD, George Saade, MD, Neil Silverman, MD, Hyagriv Simhan, MD, Joanne Stone, MD, Alan Tita, MD, Michael Varner, MD) have submitted a conflict of interest disclosure delineating personal, professional, and/or business interests that might be perceived as a real or potential conflict of interest in relation to this publication.