Septic Arthritis Questions & Answers

Updated: Sep 03, 2019
  • Author: John L Brusch, MD, FACP; Chief Editor: Michael Stuart Bronze, MD  more...
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Questions & Answers

Overview

What is septic arthritis?

What is the incidence of septic arthritis?

Which groups are at highest risk for septic arthritis?

What are the most common causes of septic arthritis?

What is the prevalence of septic arthritis caused by streptococcal species?

What is the role of polymicrobial joint infections (PJI) in the etiology of septic arthritis?

What are the types of prosthetic joint infection (PJI)?

What is the pathogenesis of septic arthritis?

Why are previously damaged joints more susceptible to septic arthritis?

What is the pathophysiology of joint destruction in septic arthritis?

What is the role of viral infections in the pathogenesis of septic arthritis?

Which GI pathogens associated with reactive arthritis?

Which infections cause of reactive arthritis?

How do prosthetic joint infections (PJIs) lead to septic arthritis?

What is the role of coagulase-negative S aureus (CoNS) in the etiology of septic arthritis?

Which prosthetic joint infections (PJIs) cause septic arthritis?

What are situation-pathogen associations for septic arthritis?

What are the morbidities of septic arthritis?

Which factors are predictors of poor outcome in septic arthritis?

What is the mortality rate for septic arthritis?

Presentation

What should be the focus of history in suspected septic arthritis?

What are the signs and symptoms of septic arthritis?

Which conditions in a patient’s history increase the likelihood of septic arthritis?

What are possible comorbidities of septic arthritis?

What is the most important historical feature in septic arthritis?

What is the typical presentation of septic arthritis?

What is the presentation of Lyme disease-caused septic arthritis?

What is the presentation of prosthetic joint infection (PJI) septic arthritis?

What are the signs and symptoms of reactive arthritis?

What are the symptoms of tuberculous septic arthritis?

What are the clinical features of viral septic arthritis?

What is the most commonly involved joint in septic arthritis?

What physical findings suggest septic arthritis?

In which patients can signs and symptoms of septic arthritis be muted?

What is the significance of the pattern of joint involvement in the diagnosis of septic arthritis?

Which joints are most commonly infected in GBS septic arthritis?

What is the presentation of gonococcal musculoskeletal involvement in patients with septic arthritis?

What are the physical findings of septic arthritis caused by prosthetic joint infections (PJIs)?

How are reactive, viral, and tuberculous arthritis differentiated?

DDX

Which conditions should be considered in the differential diagnoses of septic arthritis?

What is characteristic of early disseminated gonococcal infection?

What is the frequency of salmonella septic arthritis in patients with sickle cell anemia?

What is the most common cause of septic arthritis among IV drug users?

Workup

When is reaspiration indicated in the evaluation of septic arthritis?

What is the initial screening method for septic arthritis?

What is the role of microscopy in screening for septic arthritis?

Which lab tests may be useful in the evaluation of septic arthritis?

What is the role of joint aspiration in the diagnosis of septic arthritis?

What is the role of synovial fluid culture in the diagnosis of septic arthritis?

Which synovial fluid findings are characteristic of Lyme septic arthritis?

How are prosthetic joint infections (PJIs) evaluated for septic arthritis?

Which synovial fluid findings suggest reactive arthritis?

Which synovial fluid findings suggest tuberculous septic arthritis?

What is the role of blood cultures in the diagnosis of septic arthritis?

What is the role of PCR in the diagnosis of septic arthritis?

What imaging findings suggest prosthetic joint infection septic arthritis?

What is the role of imaging studies in the diagnosis of septic arthritis?

What is the role of radiography in the diagnosis of septic arthritis?

How is ultrasonography used to diagnose septic arthritis?

How are CT scanning and MRI used to diagnose septic arthritis?

What is the role of radionuclide scanning in the diagnosis of septic arthritis?

Treatment

What is the focus of medical management of septic arthritis?

When is a medical cure for acute prosthetic joint infection (PJI) septic arthritis most likely?

What is the typical length of inpatient treatment for septic arthritis?

What specialist consultations are indicated for the treatment of septic arthritis?

What are the treatment options for native joint infections of septic arthritis?

What is the role of dalbavancin in the treatment of septic arthritis?

How is gonococcal arthritis treated?

What is the basis for antibiotic selection in the treatment of septic arthritis?

What are the treatment options for septic arthritis if antibiotic therapy fails?

What is the role of antibiotics in the management of septic arthritis?

What is the role of fluoroquinolones in the treatment of septic arthritis?

What is the role of joint immobilization in the treatment of septic arthritis?

What is included in physical therapy for septic arthritis?

How is synovial fluid drainage performed in the treatment of septic arthritis?

What is the role of surgical drainage for gonococcal-infected joints in patients with septic arthritis?

When is surgical drainage indicated for treatment of septic arthritis?

What is the role of arthroscopic lavage in the treatment of septic arthritis?

What is the role of debridement in treatment of septic arthritis?

How is debridement and retention of prosthesis performed in patients with septic arthritis?

What is the intermediate method for debridement and retention of prosthesis in septic arthritis?

How can infections of joint replacements be prevented?

What information about septic arthritis should patients receive?

Medications

How are medications selected for the treatment of septic arthritis?

Which medications in the drug class Antibiotics are used in the treatment of Septic Arthritis?