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Minimally Invasive Irrigation of Neonatal Septic Arthritis Using 18-Gauge Needle Portals.
Casey McDonald1, Steve Gibbons1
1Department of Orthopaedic Surgery, University of Texas Health San Antonio, San Antonio, TX, USA.
Journal of the Pediatric Orthopaedic Society of North America
|November 11, 2025
Summary
Minimally invasive needle irrigation effectively treats neonatal septic arthritis of the hip. This technique offers a safe alternative to open surgery, preventing joint damage and sepsis progression in newborns.
Area of Science:
- Pediatric Orthopedics
- Neonatal Surgery
- Infectious Diseases
Background:
- Neonatal septic arthritis demands urgent treatment to avoid joint destruction and sepsis.
- Open surgical drainage presents risks in neonates due to small joint spaces.
- Diagnosing neonatal septic arthritis is challenging due to subtle clinical signs and immature immune systems.
Purpose of the Study:
- To describe a minimally invasive needle-based technique for treating neonatal septic arthritis of the hip.
- To present an alternative to traditional open or arthroscopic surgical drainage in neonates.
- To evaluate the safety and efficacy of percutaneous needle irrigation for neonatal hip joint washout.
Main Methods:
- A technique using two 18-gauge needles for irrigation and drainage of the neonatal hip joint.
- Percutaneous insertion of needles under sterile conditions and radiographic guidance.
- Confirmation of joint placement with arthrogram dye, followed by saline instillation and effluent drainage.
Main Results:
- Successful joint washout achieved without open arthrotomy.
- The technique confirmed efficacy by flushing out the arthrogram dye.
- Demonstrated a safe, effective, and less invasive approach compared to conventional methods.
Conclusions:
- Percutaneous needle irrigation is a viable alternative for managing neonatal septic arthritis of the hip.
- This minimally invasive method reduces morbidity associated with traditional surgical approaches in neonates.
- The technique provides effective joint washout, crucial for preventing long-term complications.

