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Surgical techniques: how I do it? The Reamer/Irrigator/Aspirator (RIA) system
P V Giannoudis1, C Tzioupis, J Green
1Department of Trauma and Orthopaedics, Academic Unit, Clarendon Wing, Leeds General Infirmary, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom. pgiannoudi@aol.com
Injury
|September 29, 2009
Summary
The Reamer/Irrigator/Aspirator (RIA) system reduces intramedullary pressure during bone surgery, preventing complications like fat embolization. Its aspirate also shows potential as a bone graft substitute.
Area of Science:
- Orthopedic Surgery
- Biomaterials Science
Background:
- Reamed intramedullary nailing can cause pulmonary complications, including fat embolization and adult respiratory distress syndrome (ARDS).
- Concerns exist regarding the safety and benefits of traditional reaming versus its potential adverse effects.
Purpose of the Study:
- To evaluate the Reamer/Irrigator/Aspirator (RIA) system as an alternative to traditional reaming.
- To explore the RIA system's potential for reducing intramedullary pressure and its secondary use as a bone graft harvester.
Main Methods:
- The study details the technique, preoperative planning, and intraoperative principles for using the RIA system.
- The RIA system simultaneously reams, irrigates, and aspirates femoral canal contents to minimize pressure and heat.
Main Results:
- The RIA system effectively reduces intramedullary pressure, heat generation, and operating time.
- Analysis of the aspirate revealed the presence of osteogenic substrates, indicating potential as a bone graft source.
Conclusions:
- The RIA system offers a safer alternative to traditional reaming by mitigating pulmonary complications.
- The RIA system presents a dual benefit: reducing surgical risks and providing a source for bone grafting.
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