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Society of Obstetric Nurse Anesthesiology and Research

Strengthening OB anesthesia in your community

Built by CRNAs. Focused on obstetrics.
Creating space for providers on the labor deck.

The national society built exclusively for obstetric anesthesia providers

SONAR is the only national organization dedicated exclusively to supporting obstetric anesthesia providers through evidence-based education, original research, workforce data, and leadership development of CRNAs. We connect the realities of obstetric anesthesia practice in communities across the country with the education, research, and resources needed to strengthen care where it actually happens. 

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How SONAR works:
5 steps to stronger OB anesthesia care

Join SONAR

1

Join
SONAR

Become a member of SONAR or donate.

2

Gain
insights

Access education, webinars, and resources.

3

Take
action

Participate in research, volunteering, or leadership opportunities.

4

Find community

Participate in research, volunteering, or leadership opportunities.

5

Make
change

Participate in research, volunteering, or leadership opportunities.

Close up of newborn baby face with fingers in mouth, black and white, image by Olivia Anne Snyder

SONAR Membership

$100 annually funds the work and research, and provides access to the following benefits. 

Join Sonar

SONAR didactic and simulation curriculum for nurse anesthesia programs (NAPs)

Products for nurse anesthesia programs that need updated OB anesthesia content, provided by people who do obstetric anesthesia

View Curriculum

Annual webinar series

4 credits or 4 online CEUs of CRNA and obstetric anesthesia education, all free for members

Original CRNA research

Help us, join us, or take a look at the obstetric anesthesia care and CRNA education research we are doing.

Discover Featured Research

Interactive 'Who We Are' Dashboard (upcoming)

Evolving information about who we are as CRNAs in the OB space (currently in development)

Get Who We Are Project Updates

Offers for CRNAs and nurse anesthesia programs

Image by Jeferson Santu
Image by Olivia Anne Snyder

Stay connected with

OB anesthesia updates for CRNAs

Receive updates on research, webinars, educational opportunities, publications, and other opportunities to connect with obstetric CRNAs.

Today, SONAR works to bring the realities of community obstetric anesthesia into the national conversation through research, data, education, and advocacy.

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Why we built SONAR:
A voice for community obstetric anesthesia

National recommendations for maternal care are often developed through the lens of large academic and tertiary care centers. But that is not where all Americans receive their care. Across the country, community hospitals and labor and delivery units care for mothers every day, often with CRNAs providing their anesthesia care.

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When recommendations began defining the anesthesia resources expected at different levels of maternal care without adequately representing these practice models, it became clear that the people doing this work were largely missing from the conversation.

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Obstetric CRNAs, Suzie Newell and Jonathan Alvarado, enlisted the support of others and began the long journey of creating a society that would give a voice to the people actually doing the work in hospitals and communities across the country.

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That society became SONAR — the Society of Obstetric Nurse Anesthesiology and Research.

Meet the Team Behind SONAR

SONAR in the media: CRNA podcast features

Beyond the Mask

"A Movement to Enhance Obstetric Anesthesia"

Listen to Episode

Beyond the Mask

"Why CRNAs are leading OB care and no one’s talking about it"

Listen to Episode

Beyond the Ether

Upcoming episode!

Empowering Future CRNAs: The Case for Obstetric Rotations in Anesthesia Education

AANA Journal

See Publication

Unilateral Spinal Anesthesia in a Repeat Cesarean Delivery: A Case Report

AANA Journal

See Publication

Recent Publications on Obstetric Anesthesia Education and Practice

eight people in circle, looking down, wearing matching light green scrubs, scrub caps, and masks, surgical lights in center. Image by National Cancer Institute

A national network of obstetric CRNAs

Our growing SONAR network includes CRNAs from more than 26 states, representing hundreds of labor and delivery units nationwide. 

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Through this network, we are capturing how CRNAs practice, what services they provide, how obstetric anesthesia care is structured, and how practice varies across states and healthcare settings.

Join SONAR
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