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Updated: May 21, 2026
Surgical Retrieval, Isolation and In vitro Expansion of Human Anterior Cruciate Ligament-derived Cells for Tissue Engineering Applications
Published on: April 30, 2014
[Infection after anterior cruciate ligament reconstruction: grave error in treatment?]
1Chirurgische Klinik und Poliklinik, Campus Innenstadt, Klinikum der Ludwig-Maximilians-Universität München, Nußbaumstraße 20, 80336, München, Deutschland. Markus.Regauer@med.uni-muenchen.de
Abstract:
A 28-year-old patient showed clear signs of knee joint infection 8 days after arthroscopic reconstruction of the anterior cruciate ligament. The treating physicians recommended further observation although they stated that a knee joint infection could not be reliably excluded. One week later arthroscopic revision was performed and intraoperative smear tests showed infection by Pseudomonas aeruginosa. Therefore, another 6 days later the obviously infected transplant had to be removed. In the long run painful and limited range of motion of the affected knee joint persisted. The patient complained about medical malpractice concerning management of the complication. The expert opinion stated that due to the fateful course of infection the tendon graft could not be retrieved after the eighth day post surgery anyway. Thus, only flawed delay of treatment was criticized. The arbitration board argued, however, that scientific data concerning the fate of infected tendon grafts do not support the expert opinion and that immediate arthroscopy and antibiotic treatment at least had the potential to influence the course of infection in a positive manner. Evidence clearly shows that survival of an infected tendon graft depends on early diagnosis and emergency treatment rather than just on fate. Due to the fact that, although having in mind the possibility of a knee joint infection, the necessary therapy was delayed for 8 days, the arbitration board considered the described medical malpractice a severe treatment error, leading to reversal of evidence in favour of the patient.
Insights
Delayed treatment of knee joint infections after anterior cruciate ligament reconstruction can lead to graft loss and poor outcomes. Early diagnosis and intervention are crucial for successful tendon graft survival and patient recovery.
Area of Science:
- Orthopedic Surgery
- Infectious Diseases
- Medical Malpractice Litigation
Background:
- Arthroscopic reconstruction of the anterior cruciate ligament (ACL) is a common orthopedic procedure.
- Post-operative knee joint infections can complicate ACL reconstruction, potentially leading to graft failure.
- Timely diagnosis and management are critical for mitigating infection-related complications.
Observation:
- A 28-year-old patient developed signs of knee joint infection 8 days post-ACL reconstruction.
- Initial observation was recommended despite the possibility of infection.
- Arthroscopic revision revealed Pseudomonas aeruginosa infection, necessitating transplant removal 6 days later.
- Persistent pain and limited range of motion were reported long-term.
Findings:
- An expert opinion suggested graft retrieval was impossible after 8 days due to infection's progression.
- An arbitration board contested this, citing evidence that early treatment impacts graft survival.
- The board concluded that the 8-day delay in diagnosis and treatment constituted a severe medical error.
Implications:
- This case highlights the importance of prompt diagnosis and aggressive treatment for post-operative knee joint infections.
- Delayed management of infected tendon grafts can lead to irreversible damage and necessitate graft removal.
- The arbitration board's decision emphasizes that evidence-based treatment, not 'fate,' dictates outcomes in infected graft cases.
- Reversal of evidence in favor of the patient underscores the significance of timely medical intervention.