Related Experiment Videos
The effects of cold upon bone growth: a preliminary study
B Bierens de Haan1, M R Wexler, S Porat
1Department of Plastic and Maxillofacial Surgery, Hadassah University Hospital, Jerusalem, Israel.
Annals of Plastic Surgery
|June 1, 1986
Summary
Cold exposure can significantly impact bone growth in young rabbits. Brief, severe cold (-20 to -15°C) causes bone shortening and widening by damaging growth plate cells.
Area of Science:
- Orthopedics
- Pediatric Bone Development
- Cryobiology
Background:
- Cold injury is a known factor affecting tissue viability.
- The specific impact of cold injury on bone growth, particularly epiphyseal plate function, requires detailed investigation.
Purpose of the Study:
- To investigate the effects of varying degrees of cold injury on bone growth in a rabbit model.
- To determine the threshold temperature and duration for cold-induced bone damage.
Main Methods:
- Young rabbits' feet were rendered ischemic and exposed to 0°C (ice bath) or -20°C (alcohol bath).
- Bone injury was assessed using clinical, radiological, and histological methods.
- Specific focus on the epiphyseal growth plate and surrounding bone structures.
Main Results:
- Prolonged exposure above freezing temperatures caused no bone damage.
- Brief exposure to -20°C to -15°C led to premature epiphyseal plate arrest and destruction.
- Significant bone shortening and widening were observed radiologically due to cold-induced damage to chondrocytes.
Conclusions:
- Cold temperatures directly impact chondrocytes in the epiphyseal growth plate, leading to growth arrest.
- Cold-induced bone damage is independent of soft tissue injury or frostbite.
- Specific temperature ranges can induce significant, measurable bone deformities.