NAVLE Musculoskeletal

Feline Fracture Management Study Guide

Fracture management in cats represents a significant portion of feline orthopedic cases encountered in veterinary practice. The femur is the most commonly fractured bone in cats, representing 33-38% of all feline fractures.

Overview and Clinical Importance

Fracture management in cats represents a significant portion of feline orthopedic cases encountered in veterinary practice. The femur is the most commonly fractured bone in cats, representing 33-38% of all feline fractures. Feline fractures typically result from high-velocity trauma such as road traffic accidents, falls from height (high-rise syndrome), or dog bite wounds. Understanding proper fracture assessment, classification, and management principles is essential for achieving optimal patient outcomes.

Critical Concept: Cats are NOT small dogs when it comes to orthopedics. Important anatomical and physiological differences exist, including relatively thicker periosteum in young cats (approximately twice that of adult cats), smaller bone size limiting implant choices, and unique anatomical features such as the caudofemoralis muscle and supracondylar foramen.

Classification Description and Clinical Significance
Open vs Closed Open: Bone communicates with external environment through skin wound. Closed: Skin intact. Open fractures carry higher infection risk and may require staged repair.
Complete vs Incomplete Complete: Bone completely separated. Incomplete: Greenstick (one cortex intact) or fissure fracture. Greenstick fractures in young cats may heal with cage rest alone.
Simple vs Comminuted Simple: Two fragments. Comminuted: Three or more fragments. Comminuted fractures require biological/bridging fixation approaches.
Fracture Line Transverse: Perpendicular to long axis. Oblique: Angled (greater than 30 degrees). Spiral: Rotational injury pattern. Short oblique fractures amenable to compression plating.
Anatomical Location Diaphyseal (shaft), Metaphyseal (flared region), Epiphyseal (articular end), Physeal (growth plate). Location determines surgical approach and implant selection.

Fracture Classification

Basic Fracture Terminology

Understanding proper fracture terminology is essential for accurate documentation, communication, and treatment planning.

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