BACKGROUND First metatarsophalangeal joint arthritis(FMTPA),also known as hallux rigidus,is the most frequent degenerative disease of the foot.Diagnosis is made through both clinical and radiological evaluation.Regene...BACKGROUND First metatarsophalangeal joint arthritis(FMTPA),also known as hallux rigidus,is the most frequent degenerative disease of the foot.Diagnosis is made through both clinical and radiological evaluation.Regenerative medicine showed promising results in the treatment of early osteoarthritis.The aim of the present study was to report the results of a case of FMTPA treated with the injection of autologous adipose-derived mesenchymal stem cells.CASE SUMMARY A gentleman of 50 years of age presented with a painful hallux rigidus grade 2 resistant to any previous conservative treatment(including nonsteroidal antiinflammatory drugs and hyaluronic acid injections).An injection of autologous adipose-derived mesenchymal stem cells into the first metatarsophalangeal joint was performed.No adverse events were reported,and both function and pain scales improved after 9 mo of follow-up.CONCLUSION The FMTP joint injection of mesenchymal stem cells improved symptoms and function in our patient with FMTPA at 9 mo of follow-up.展开更多
BACKGROUND Metallosis is the result of metallic wear debris in the soft tissues and is associated to both local and systemic inflammatory response.Metallosis has been reported after total hip and total knee arthroplas...BACKGROUND Metallosis is the result of metallic wear debris in the soft tissues and is associated to both local and systemic inflammatory response.Metallosis has been reported after total hip and total knee arthroplasty(TKA),but rarely after a unicompartimental knee arthroplasty(UKA).In the context of UKA metallosis,surgeons often opt for revision using a TKA.However,in this paper,the authors successfully treated UKA revising the metal back only.CASE SUMMARY Prior to treat our patient we conducted a literature research through which we identified eleven cases of metallosis after UKA,ten(90.9%)were treated revising using though a TKA.Only one case was managed through a uni-on-uni revision,reporting high knee function.Our patient complained worsening pain and function after a snap occurred at 16 mo after UKA implantation.At 18 mo following surgical debridment and uni-on-uni revision surgery,our patient exhibited a relevant improvement in Oxford Knee Score and a reduction of metal ion levels in the blood.CONCLUSION Our study highlights that in case of metallosis after UKA,the treatment may be based on surgical debridement and just revising the mobilized components.展开更多
文摘BACKGROUND First metatarsophalangeal joint arthritis(FMTPA),also known as hallux rigidus,is the most frequent degenerative disease of the foot.Diagnosis is made through both clinical and radiological evaluation.Regenerative medicine showed promising results in the treatment of early osteoarthritis.The aim of the present study was to report the results of a case of FMTPA treated with the injection of autologous adipose-derived mesenchymal stem cells.CASE SUMMARY A gentleman of 50 years of age presented with a painful hallux rigidus grade 2 resistant to any previous conservative treatment(including nonsteroidal antiinflammatory drugs and hyaluronic acid injections).An injection of autologous adipose-derived mesenchymal stem cells into the first metatarsophalangeal joint was performed.No adverse events were reported,and both function and pain scales improved after 9 mo of follow-up.CONCLUSION The FMTP joint injection of mesenchymal stem cells improved symptoms and function in our patient with FMTPA at 9 mo of follow-up.
文摘BACKGROUND Metallosis is the result of metallic wear debris in the soft tissues and is associated to both local and systemic inflammatory response.Metallosis has been reported after total hip and total knee arthroplasty(TKA),but rarely after a unicompartimental knee arthroplasty(UKA).In the context of UKA metallosis,surgeons often opt for revision using a TKA.However,in this paper,the authors successfully treated UKA revising the metal back only.CASE SUMMARY Prior to treat our patient we conducted a literature research through which we identified eleven cases of metallosis after UKA,ten(90.9%)were treated revising using though a TKA.Only one case was managed through a uni-on-uni revision,reporting high knee function.Our patient complained worsening pain and function after a snap occurred at 16 mo after UKA implantation.At 18 mo following surgical debridment and uni-on-uni revision surgery,our patient exhibited a relevant improvement in Oxford Knee Score and a reduction of metal ion levels in the blood.CONCLUSION Our study highlights that in case of metallosis after UKA,the treatment may be based on surgical debridement and just revising the mobilized components.