Pediatric gastroenterologist with focus on IBD, intestinal ultrasound and precision medicine @ChildrensLA. Daughter, wife, 🇭🇹 descent. Tweets are my own.
Los Angeles, CA
Joined December 2017
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Excited to now be able to offer point-of-care ultrasound for the #IBDpatients of @ChildrensLA. We now can offer close non-invasive monitoring options for disease activity. Took a while, but here it is!
Mallory Chavannes, MD, MHSc retweeted
If you are subscribed to ibd-eii.com you will receive after a long time an email!
🚀 Big news! ibd-eii.com has been reinvented
I’ve transformed the platform into a powerful, intuitive content database to make finding IBD drugs, trials, and evidence easier
What’s new?
• A smart, searchable database 🔍
• Easier organization and classification method
• 15+ new clinical trial summaries📚
• Updated cheat sheets 🧠
👇
#IBD #CrohnsDisease #UlcerativeColitis #Gastroenterology #MedEd
Mallory Chavannes, MD, MHSc retweeted
Hands on practice with IUS at #CCCongress2026. Giving providers the tools they need to take back to their IBD patients and bring IUS to the bedside.
TLDR on cannabinoids for #IBD
⭐️may improve symptoms (pain/diarrhea)
⭐️BUT no effect on disease activity
⭐️understand the WHY behind using cannabinoids and HOW we can optimize therapy.
⭐️Increase risk of hospitalization and surgery with use
Pearls from @ibdgijami #AIBD2025
Mallory Chavannes, MD, MHSc retweeted
New ESPGHAN/ECCO ASUC Consensus take-aways:
➡️VTE prophylaxis in all hospitalized pts
➡️IFX 10mg/kg-use TDM to guide dosing
➡️PJP prophylaxis in appropriate scenario: triple immunosuppression, double immunosuppression (1 CNI), steroid + low lymphocytes or JAKi #aibd2025
Shameless plug of this abstract featuring @Evinature_ CurQD in #PediatricIBD showing improvement in symptoms, calprotectin and even #IUS presented at #CCCongress2024! #AIBD2025
From the complementary medicine clinical breakout session at #AIBD2025, high usage amongst our patients. Good incentive for #IBD docs to learn more about the risk and benefits! @AIBDNetwork
Mallory Chavannes, MD, MHSc retweeted
@MaiaKayalMD excellent talk on Pouchitis at #AIBD2025 @AIBDNetwork
🎯Targets in the management of pouchitis - less stringent - aim for ⬆️ QofL, clinical remission, and endo improvement
🍎🥔🍠Bonus image on diet modifications suggested for pouchitis!
@GimdGold
Mallory Chavannes, MD, MHSc retweeted
🚨 Attention young faculty & trainees!
I asked these two #PedsGI @ShermanPrize success stories for one piece of advice on making meaningful progress for patients with #IBD:
Scott emphasized investing in #trainees to create a broad, lasting impact and legacy, while Mike highlighted finding #knowledgegaps—often by looking to what other fields are doing that IBD isn’t—and focusing efforts there.
That’s a pretty great roadmap. 💡🧠
#PedsGI #ShermanPrize #AIBD2025
Mallory Chavannes, MD, MHSc retweeted
🔬 New AGA guidance spotlights 💡 advanced therapies for moderate-to-severe #CrohnDisease 🚨
✅ Upfront biologics > step-up
👉 tinyurl.com/ms2yb3p7
#GITwitter #MedTwitter #IBD @AmerGastroAssn @ESGE_news @my_ueg @IBD_JohnD @IBDMD @IbdClub @DCharabaty @IBD_FloMD @IBD_docGio
Mallory Chavannes, MD, MHSc retweeted
Post-op surveillance of CD.
➡️Algorithm below from @MRegueiroMD highlighting role for IUS in post-op surveillance
➡️If you're interested in integrating point-of-care IUS post-op, please check out the following visual atlas:
pubmed.ncbi.nlm.nih.gov/4133…
#aibd2025 @iUSCAN
Mallory Chavannes, MD, MHSc retweeted
Congrats to @MichaelKappel12 on his well-deserved #ShermanPrize! 🏆 I’m sad to miss the ceremony, but want to shout out what a generous #mentor he is and what an incredible asset he’s been to all of us in #PedsIBD. 🙌 #AIBD2025
shermanprize.org/news/unc-pe…
Ready for Day2 of #AIBD2025? I’m ready to face the frigid cold rooms and ready to learn from the #IBD experts!
As an AIBD Ambassador today, I will be covering the #ComplementaryMedicine Session, 5-6:30pm! See you at the room southern hemisphere II with this incredible panel 👇🏾
Mallory Chavannes, MD, MHSc retweeted
At #AIBD2025, we reviewed the European ECCO-ESPGHAN pediatric CD guideline, which recommends exclusive enteral nutrition (EEN) as a first-line option for inducing remission in low-risk luminal Crohn’s. 🥤
EEN offers strong mucosal outcomes but remains socially challenging for many families, and this approach does not necessarily reflect current U.S. practice. A U.S. pediatric CD guideline is in development.
pubmed.ncbi.nlm.nih.gov/3302…
Mallory Chavannes, MD, MHSc retweeted
Antibiotic-refractory pouchitis:
➡️Not all pouch dysfunction=pouchitis
➡️Consider cross-sectional imaging for structural/inflammatory complications!
➡️growing evidence for advanced therapies, including biologics and targeted agents #aibd2025 @DrSanket_Patel
#AIBD2025 some tips to consider with pain in patients with IBD, particularly on defecation, consider 1) lifestyle changes 2) pelvic floor PT 3) CBT (+/- Hypnosis) and patient driven skills! Many non-Pharmaceutical options exist!
The addition of a GI psychologist is such an incredible resource as part of a GI clinic! Few areas where a psychologist can help ⤵️
Thank you for highlighting our study, conducted with @amelia_kellar, @DrMikeDolinger, Dr. Hien Huynh, Dr. Jennifer Debruyn and Dr. Illya Aronskyy, on behalf of @BowelUltrasound
📏 @ericbenchimol presenting a new pediatric IUS insight: In children with IBD who are in sustained deep remission, previously inflamed bowel wall thickness measures <2.5 mm—notably lower than the 3 mm cutoff used in adults—and this held true regardless of age, sex, or bowel segment.
A big step toward pediatric-specific IUS targets!
#AIBD2025
pubmed.ncbi.nlm.nih.gov/4029…
Algorithm approach to pain in IBD highlighted this afternoon. Very informative way to frame the issue based on presence (or not) of inflammation and next steps, published by #LaurieKeeferPhD @HorstIBDDoc
