Exploratory Study of Ultrasound Signs of Native Septic Arthritis of the Knee (USAK)

Poitiers University Hospital

Status: Enrolling

Conditions: Knee Arthritis; Septic Arthritis; Ultrasound Therapy; Complications

Treatments: Device: ultrasound

Study type: Observational

Funder types: Other

Identifiers

NCT04952220

2021-A01301-40

Details and patient eligibility

About

Primary objective: Description of ultrasound abnormalities seen in native septic arthritis of the knee during each visit.

Primary endpoint: Describe the ultrasound abnormalities observed on Day 0, Day 10, 6 weeks, 3 months, 6 months, during native septic arthritis of the knee.

Full description

Secondary Objectives:

1. Search for poor prognostic factors in native septic arthritis of the knee.
2. To look for an association between initial sonographic factors and the use of joint lavage.
3. Look for associations between sonographic signs and clinico-radio-biologic factors at each visit (D10, 6 weeks, 3 months and 6 months)

Enrollment: 30 estimated patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Male or female of legal age
• Bacteriologically proven native septic arthritis
• Meets the definition of septic arthritis: Bacteriological documentation of joint puncture fluid-Native articulation
• Free subject, without guardianship or trusteeship, or subordination
• Non-opposition of the patient after clear and fair information about the study

Exclusion criteria

• Presence of material in the affected joint
• Arthritis with Mycobacterium Tuberculosis.
• Patients benefiting from a reinforced protection, namely: minors, pregnant and/or breast-feeding women, persons deprived of liberty by a judicial or administrative decision, adults under legal protection

Trial design

30 participants in 1 patient group

native septic arthritis of the knee

Description:

Describe the ultrasound abnormalities observed at D0, D10 or before surgery, 6 weeks, 3 months, 6 months, during native septic arthritis of the knee: thickness and vascularity of the synovial membrane, existence and measurement of joint effusion existence of articular partitioning, erosions and adjacent soft tissue involvement (muscle abscess, cellulitis)

Treatment:

Device: ultrasound