Simini Boards Cast

Simini Podcasts

  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  Whether you're commuting, walking the dog, or post-op, turn that time into surgical mastery.  Subscribe now and get board-ready — fast. 

  1. 5d ago

    Chapter 40 - Part E: Stability Is Part of Infection Control

    In this BoardsCast episode, we continue Tobias Chapter 40 — Open Fractures with a principle that changes how fixation should be chosen: The strongest construct is not automatically the best construct.   In an open fracture, fixation has to do more than hold the bone. It must also preserve the remaining soft tissue biology and allow repeated access to the wound. That gives us three jobs for the construct: Stabilize the fracturePreserve viable tissueMaintain wound accessWe break down: Why instability repeatedly damages new capillaries and the soft tissue envelopeWhy perfect anatomic reconstruction may not be worth sacrificing blood supplyWhy surgical approaches should avoid traumatized tissue when possibleWhy contamination does not automatically mean “no internal fixation”Why mechanical stability can actually support infection controlWhy Type I and selected Type II open fractures may tolerate internal fixation similarly to closed fracturesWhy severe Type III injuries often shift the strategy toward biologic preservation and wound accessWhy external skeletal fixation can provide stability while keeping hardware away from the woundWhy casts and splints are usually poor definitive solutions when serial wound care is requiredWhy intramedullary implants carry a concern for spreading contamination through the medullary cavity The key surgical question is not: “What is the strongest construct I can build?” It is: “What is the simplest construct that provides enough stability without spending the biology?” — 🎁 Simini Bonus Claim your free sample of Simini Protect Lavage (just cover shipping): https://www.simini.com/evaluation-kit Listen On: Spotify | Apple Podcasts | Amazon Music

  2. 5d ago

    Chapter 40 - Part D: Cover the Bone. Restore the Biology.

    In this BoardsCast episode, we continue Tobias Chapter 40 — Open Fractures with a simple but essential principle: Coverage is not cosmetic. Coverage is biology.   You can perfectly stabilize an open fracture and still fail if the bone remains exposed inside a hostile wound. The surrounding soft tissue envelope is a living support system that protects bone, tendons, ligaments, nerves, and vessels while delivering blood flow, immune cells, and nutrients. We break down: Why prolonged open-wound management increases infection, contracture, and dysfunctionWhy open management is a bridge, not the destinationWhy debridement and irrigation must come before reconstructionHow to recognize viable tissue and build a healthy wound bedWhy unnecessary delay after adequate debridement can sacrifice a biologic opportunity for closureWhen primary closure or second-intention healing may be appropriateHow negative pressure wound therapy (NPWT) at about 125 mmHg can reduce edema, improve perfusion, remove exudate, and promote granulation tissueHow healthy granulation expands the options for local flaps, axial pattern flaps, and free skin graftsWhy severe wounds with exposed bone may require vascularized muscle coverageWhy early muscle flap coverage can dramatically reduce infection and non-union in severe open fractures The key surgical question becomes: “What living tissue can I bring in to restore the biologic environment?” — 🎁 Simini Bonus Claim your free sample of Simini Protect Lavage (just cover shipping): https://www.simini.com/evaluation-kit Listen On: Spotify | Apple Podcasts | Amazon Music

  3. 5d ago

    Chapter 40 - Part C: Infection Control Is a Race, Not a Clock

    In this BoardsCast episode, we continue Tobias Chapter 40 — Open Fractures by challenging one of the oldest rules in open-fracture management: Biology doesn’t own a stopwatch. The historical “six-hour rule” is not a biologic cliff. Infection control is a race against bacterial proliferation, contamination, and tissue necrosis—and winning that race requires three things working together: Antibiotics. Debridement. Irrigation.   We break down: Why broad-spectrum IV antimicrobials should begin immediately at presentationWhy devitalized tissue becomes a protected bacterial reservoirWhy debridement removes what antibiotics cannot reachWhy copious lavage reduces the remaining microscopic contamination burdenWhy Tobias targets approximately 7–8 PSI for irrigationHow a 1-L fluid bag pressurized to about 300 mmHg with an 18-gauge needle can produce that rangeWhy fast does not equal adequateWhy passing six hours does not eliminate the need for meticulous debridementWhy initial wound cultures may poorly predict the organism that ultimately causes infectionWhy post-debridement cultures can be more clinically usefulWhy local antibiotics are an adjunct, not a replacement for systemic antibiotics, debridement, or lavage BoardsCast Episode 276 - Chapte…The key surgical mindset: Don’t operate for the clock. Operate for the wound. — 🎁 Simini Bonus Claim your free sample of Simini Protect Lavage (just cover shipping): https://www.simini.com/evaluation-kit Listen On: Spotify | Apple Podcasts | Amazon Music

  4. 5d ago

    Chapter 40 - Part B: The Wound Tells You the Risk

    In this BoardsCast episode, we continue Tobias Chapter 40 — Open Fractures with a critical reframe: Don’t grade the hole. Grade the injury.   The size of the skin wound does not tell you how severe an open fracture really is. What matters is what happened to the biology underneath it: the muscle, periosteum, blood supply, bone coverage, and contamination burden. We break down the Gustilo-Anderson classification: Type I — wound 1 cm without extensive soft-tissue destructionType III — extensive soft-tissue injury and a severely compromised healing environmentType IIIA — adequate soft-tissue coverage remainsType IIIB — extensive tissue loss, periosteal stripping, and exposed boneType IIIC — arterial injury requiring surgical repair BoardsCast Episode 275 - Chapte…We also break down: Why a tiny skin puncture can hide a devastating biologic injuryWhy a large wound does not automatically mean Type IIIWhy blood supply and viable soft tissue are critical to fracture healingWhy the Roman numeral is really a biologic severity warning labelThe limitation of Gustilo-Anderson classification, including its imperfect interobserver agreementThe OTA framework: Skin, Muscle, Artery, Bone loss, Contamination — SMABC  The key surgical question is not: “How many centimeters is the wound?” It is: “How much viable biology is left to heal this bone?”   — 🎁 Simini Bonus Claim your free sample of Simini Protect Lavage (just cover shipping): https://www.simini.com/evaluation-kit Listen On: Spotify | Apple Podcasts | Amazon Music

  5. 5d ago

    Chapter 40 - Part A: The Bone Is Broken. The Envelope Is Broken Too.

    In this BoardsCast episode, we begin Tobias Chapter 40 — Open Fractures with a critical reframe: An open fracture is a whole-patient, whole-limb injury — not just a broken bone.  The exposed fracture may be the most dramatic thing in the room, but it is not automatically the first priority. High-energy trauma can also produce systemic injury, hemorrhage, neurovascular compromise, soft-tissue destruction, and environmental contamination. We build the episode around three rules: The patient comes before the fractureThe envelope is part of the fractureProtect what’s still aliveWe also break down: Why systemic assessment and resuscitation come before detailed fracture managementWhy active arterial hemorrhage and neurovascular status matter immediatelyWhy any wound overlying a fracture should be assumed to communicate with and contaminate the fractureWhy broad-spectrum IV antimicrobials are started earlyHow unstable bone fragments can act like an internal scalpel, causing additional muscle, periosteal, vascular, and nerve damageWhy sterile wound coverage, bandaging, and rigid temporary support help prevent a “second trauma”Why definitive reconstruction comes only after the patient, perfusion, soft-tissue envelope, and contamination have been addressed BoardsCast Episode 274 - Chapte…The key surgical insight is simple: Protect the patient. Protect the envelope. Then fix the bone. — 🎁 Simini Bonus Claim your free sample of Simini Protect Lavage (just cover shipping): https://www.simini.com/evaluation-kit Listen On: Spotify | Apple Podcasts | Amazon Music

  6. Sep 24

    Chapter 39 - Part E: Stability Chooses the Healing Path â Primary vs Secondary Bone Healing

    In this BoardsCast episode, we finish Tobias Chapter 39 — Bone Biomechanics and Fracture Biology with the idea that ties mechanics and biology together: You do not make bone heal. You create the mechanical and biologic environment that determines how it heals.  The same fracture can follow two very different repair programs depending on stability: Absolute stability → primary bone healing Relative stability → secondary bone healing Primary healing occurs with very low interfragmentary strain and little to no classic external callus. We break down contact healing, gap healing, and the cutting cones that drive direct osteonal reconstruction across the fracture.  Then we follow secondary healing through its five-stage sequence: Inflammation creates the hematoma and provisional repair scaffold Intramembranous ossification produces bone at the better-vascularized periphery Soft callus creates a flexible cartilaginous bridge in the higher-strain center Hard callus replaces cartilage with woven bone through endochondral ossification Remodeling replaces woven bone with organized lamellar bone The key surgical insight is to choose the healing strategy before choosing the implant. Simple reconstructable fracture? Create absolute stability and allow primary healing. Comminuted fracture where preserving blood supply matters? Bridge it, accept relative stability, and let secondary healing build the biological bridge. — 🎁 Simini Bonus Claim your free sample of Simini Protect Lavage (just cover shipping): https://www.simini.com/evaluation-kit Listen On: Spotify | Apple Podcasts | Amazon Music

  7. Sep 24

    Chapter 39 - Part D: The Gap Is Not the Problem: Interfragmentary Strain Controls What Tissue Can Live

    In this BoardsCast episode, we continue Tobias Chapter 39 — Bone Biomechanics and Fracture Biology with a counterintuitive idea: The gap is not the problem. The strain environment is the problem.  A tiny fracture gap can actually be worse than a larger one if both move the same amount. Why? Because cells do not experience motion alone. They experience motion relative to gap size. That gives us the core relationship: Interfragmentary strain = change in gap ÷ original gap size. So if a 10 µm gap widens by 10 µm, that is 100% strain. If a 100 µm gap widens by the same 10 µm, that is only 10% strain. Same motion. Completely different biological environment.  We also break down: Interfragmentary motion as absolute displacement Interfragmentary strain as relative deformation  Why movement is absolute, but strain is relative Why granulation tissue can tolerate nearly 100% deformation Why fibrocartilage tolerates roughly 10–15% Why bone requires a low-strain environment around 2% Why strain selects the tissue Why a tiny unstable gap can become a mechanical “no-man’s-land” Absolute stability as the strategy to eliminate motion Relative stability as the strategy to control motion and distribute strain across a larger fracture zone The key surgical insight is to stop asking only: “How small is the fracture gap?” and start asking: “How much does that gap move relative to its size?” — 🎁 Simini Bonus Claim your free sample of Simini Protect Lavage (just cover shipping): https://www.simini.com/evaluation-kit Listen On: Spotify | Apple Podcasts | Amazon Music

  8. Sep 24

    Chapter 39 - Part C: Speed Changes the Failure: Bone Is Stronger Fast, but Breaks Worse

    In this BoardsCast episode, we continue Tobias Chapter 39 — Bone Biomechanics and Fracture Biology with a biomechanical paradox: Bone can become stronger and stiffer when loaded faster — and still fail worse.  The key is strain rate: how fast deformation develops inside the bone. Because bone is viscoelastic, its mechanical behavior changes with loading speed. Slow loading allows more deformation and energy dissipation. Fast loading makes bone stiffer, stronger, and less deformable. At extremely high strain rates, that increased strength comes with a cost: brittleness.  We break down: Stiffness = resistance to deformation Strength = maximum load or stress tolerated before failure Ductility = ability to deform before failure Brittleness = failure with little deformation Toughness = total energy absorbed before failure  Why strength does not equal toughness Why high-speed trauma changes how bone dissipates energy  Why comminution reflects more than speed alone — load magnitude, direction, combined loading, bone type, and bone quality all matter The clinical insight is that trauma history is biomechanical data. A slowly overloaded compromised bone and a healthy bone struck at high speed may produce similar radiographs but represent completely different mechanical events. — 🎁 Simini Bonus Claim your free sample of Simini Protect Lavage (just cover shipping): https://www.simini.com/evaluation-kit Listen On: Spotify | Apple Podcasts | Amazon Music

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About

  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  Whether you're commuting, walking the dog, or post-op, turn that time into surgical mastery.  Subscribe now and get board-ready — fast. 

Information

  • Creator
    Simini Podcasts
  • Years Active
    2025 - 2026
  • Episodes
    278
  • Rating
    Clean
  • Copyright
    © 2026 Simini Boards Cast
  • Show Website
    Simini Boards Cast

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