RESUMEN
The rare case of a 5year-old girl with autosomal dominant osteopetrosis type 2, who suffered metaphyseal fractures of the femoral neck on both sides within 6 months is described. On the right side, the diagnosis was made 3 months after the onset of symptoms, so that a coxa vara occurred. The treatment was surgically treated through a valgus osteotomy with fixation of the femoral head with Kwires. Three months after the operation, the girl complained of a painful restriction of movement on her left side. Radiologically, a metaphyseal femoral neck fracture without coxa vara was diagnosed and in situ fixated with 2 K wires. Two months after the second operation, there was a symmetrical free range of motion of the hips with no symptoms. The metaphyseal femoral neck fracture with verticalization of the growth plate is a serious disease in autosomal dominant osteopetrosis due to the development of a coxa vara, which, if diagnosed at an early stage, can be treated well with in situ fixation. If the coxa vara has already developed, a valgus osteotomy should be performed despite the risk of delayed bone healing.
Asunto(s)
Coxa Vara , Fracturas del Cuello Femoral , Osteopetrosis , Preescolar , Coxa Vara/diagnóstico por imagen , Femenino , Fracturas del Cuello Femoral/diagnóstico por imagen , Cuello Femoral/cirugía , Humanos , Osteopetrosis/complicaciones , OsteotomíaRESUMEN
BACKGROUND: Flatfoot is a frequent skeletal deformity in childhood that can be minimally invasively treated by arthroereisis. QUESTION: Does the motion of juvenile flexible flatfoot normalize after arthroereisis? METHOD: Pedographic measurements were obtained from 39 patients preoperatively, six months postoperatively and compared to a healthy group. The footprints were divided into 8 areas. The selected parameters were: contact area and force-time-integral. RESULTS: After surgery, a load shift from the medial to the lateral areas was detected under the midfoot and forefoot. The force-time-integral under the hallux normalized. However, under the lateral midfoot, the postoperative force-time-integral was significantly higher than in the control group. SIGNIFICANCE: The study shows that arthroereisis is able to correct the medially displaced load distribution of juvenile flexible flatfoot. However, further investigations are required to find out if the higher punctual loading under the lateral midfoot may cause problems in the long term.
Asunto(s)
Artrodesis/métodos , Tornillos Óseos , Pie Plano/diagnóstico por imagen , Pie Plano/cirugía , Hallux/diagnóstico por imagen , Hallux/cirugía , Adolescente , Estudios de Casos y Controles , Niño , Femenino , Humanos , Masculino , Resultado del Tratamiento , Caminata , Adulto JovenRESUMEN
Micromonas (Peptostreptococcus) micros is frequently associated with periodontal disease as well as respiratory, gastrointestinal and female genitourinary tract infections, but only rarely has been reported as a pathogenic agent of prosthetic joint infections. Here we describe a case of a 63-year-old woman with prosthetic joint infection of total hip arthroplasty caused by the anaerobic species Micromonas micros, associated with tooth extraction. Samples obtained intraoperatively and from the oral cavity were positive for the presence of M. micros by culture and by real-time PCR. This case report indicates that infections of prosthetic joints can be associated with dental procedures and that sensitive molecular techniques are necessary for their routine diagnostic.