Simini Boards Cast
The Simini Boards-Cast is the go-to audio study tool for small animal surgery residents prepping for board exams.
Each episode simplifies high-yield surgical content from trusted sources — built to help you pass faster and with less stress.
🎧 Audio-based learning for passive study
✂️ Practical relevance for surgical application
🧠 Flashcard-style recaps + board-style questions
📈 Designed with resident + program director input
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Simini Boards Cast
Chapter 100 - Part C: Clefts and Oronasal Fistulas: When the Barrier Breaks
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In this BoardsCast episode, we continue Tobias Chapter 100 - Palate by reframing palatal disease with the only mental model that matters:
This is not a feeding problem.It’s a barrier failure.
When the palate fails, the oral cavity and nasal passages stop being separate systems. Food, liquid, and oral bacteria cross into the nose — and the downstream consequence is predictable: chronic rhinitis, nasal reflux, and aspiration risk.
You’ll learn:
- The separation system: hard palate = wall, soft palate = valve
- The 3 ways the barrier breaks: congenital clefts, traumatic clefts, oronasal fistulas
- Why congenital clefts are midline defects (failure of palatal shelf fusion ~days 25–28 gestation in dogs)
- Why neonates fail to thrive: can’t create suction + milk reflux → aspiration pneumonia
- Why traumatic repairs often need delay (especially burns/gunshot): wait for necrosis to “declare” before you rebuild
- Why dental disease causes the common fistula: maxillary canine roots sit against a paper-thin barrier to the nasal cavity
- The two surgical rules that decide success: tension-free closure + preserve blood supply (first attempt is your best shot)
Key takeaway: when separation fails, every swallow becomes a respiratory event.
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