Related Experiment Video
Updated: Jul 18, 2026
07:56
Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
Published on: January 29, 2018
Changes in biochemical markers after lower limb fractures.
Karl Stoffel1, Hanna Engler, Markus Kuster
1Department of Orthopaedic Surgery, University of Western Australia, Fremantle, Western Australia, Australia.
Clinical Chemistry
|November 30, 2006
Summary
Fracture size influences bone healing markers. Delayed tibia healing may indicate bone remodeling issues. This study tracked bone markers after lower limb fracture surgery.
Area of Science:
- Orthopedics
- Biochemistry
- Bone Metabolism
Background:
- Bone fracture healing involves changes in biochemical markers.
- The relationship between fracture size, healing time, and marker changes is not fully understood.
- This pilot study investigates serum bone marker changes post-osteosynthesis for lower limb fractures.
Purpose of the Study:
- To determine changes in serum bone markers after plate osteosynthesis.
- To analyze marker concentrations during a 24-week study period.
- To explore the influence of fracture size and healing time on bone turnover markers.
Main Methods:
- Measured serum levels of TRACP 5b, ICTP, bone ALP, OC, PICP, PIIINP, and YKL-40 in 20 patients.
- Included patients with distal tibial and malleolar fractures.
- Assessed fracture union via physical examination and radiographs.
Main Results:
- Malleolar fractures healed within 6 weeks; 2 tibial fractures showed delayed healing (>24 weeks).
- Bone marker changes were more pronounced in the tibia group.
- Elevated bone ALP, OC, and ICTP levels persisted at study end, particularly in tibia fractures.
Conclusions:
- Bone turnover marker changes in normal healing are primarily linked to fracture size.
- Delayed healing in tibia fractures suggests potential disturbances in bone remodeling processes.
- Further research is needed to elucidate the role of specific markers in fracture healing.
Related Concept Videos
01:20Blood Studies for Cardiovascular System I: Cardiac Biomarkers
Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
01:27Fractures: Bone Repair
Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...
01:10Bones of the Lower Limb: Tibia and Fibula
The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...