Paediatric MSK conditions Flashcards
Common paeds fractures
Growth plate
Supracondylar humeral - must go straight to theatre
Special types of fractures in paeds
Buckle
Greenstick
Greenstick fractures
Only half a cortex is broken
What determines whether surgery is required for a fracture
Stability
Alignment
Neuromuscular assessment
Pain Pulse Pallor Paraesthesia Paralysis
Fracture effects on bone growth
Sometimes grow longer (extensive bone length)
Can also grow shorter
Osteogenesis Imperfecta (OI)
Britle bond disorder - congenital
Defeciency of type 1 collagen
Multiple types, ranging in severity
Treat w/ bisphosphonates and lifestyle modifications
Infection red flags
ESR CRP Temp > 38 Inability to weight bear Kocher criteria for septic arthritis and osteomyelitis
Osteomyelitis in children
More common > 10 yrs
Haemotogenous spread
Affects boys > girls
Presentation of osteomyelitis in children
Gradual onset of pain
Unable to weight bear
Fever
Predisposing factors for osteomyelitis in children
Diabetes
Immune compromise
Preceding trauma
Causes of osteomyelitis
Staph A (MRSA, PVLSA) Group B strep
Management of osteomyelitis
Abx
Rarely surgery
Septic arthritis in children
More common < 2 yrs
70% affect hip or knee
Main ddx is Transient synovitis
Presentation of septic arthritis in children
Acute onset
Systemic symptoms
Fever
Unwillingness to move joint
Predisposing factors for septic arthritis in children
NICU pt
Causes of septic arthritis in children
Group B strep
Staph A
N. gonorrhoeae
Management of septic arthritis in children
Abx (6 weeks)
Aspiration
incision and drainage
Cancers in children - bone pain
1’ malignancy is rare, but common in children
Most commonly osteosarcoma
Haematological cancers can also present as bone pain
Primary investigations for cancer in children
CBC
Blood film
B symptoms for cancer in children
Anorexia Wt loss Pain that wakes them up at night Fatigue NIght sweats
Developmental dysplasia of the hip
Underdevelopment of the hip joint at birth
in late presentations, there may be a limp
Usually seen in those 0-3
Investigating DDH
Xrays and ultrasound
Risk factors for DDH
Family hx
Females
Breech
Talipes
Newborn screening for DDH
Barlow (dislocation)
Ortolani (relocation)
Treatment of DDH
Pavlik harness
Few require open reduction
Types of leg length discrepancy
True
Apparent
Cause of true leg length discrepancy
Fractures and injuries
Cause of apparent leg length discrepancy
Scoliosis
Classification of length length discrepancy
More than 2cm difference
Causes of leg length discrepancy
DDH
Muscle spasticity
Growth plate injury
Leg length discrepancy in children
Mainly seen in 0-3 yrs
Gradual onset/ longstanding symptoms
If severe, consider surgical management
Juvenile idiopathic arthritis
Affects those 3-10yrs
Normally affects multiple joints
Gradual onset, persisting
May have systemic symptoms
Joints affected in juvenile idiopathic arthritis
Knees > wrists > ankle > hip > spine
Treatment of JIA
Anti-infl and immunomodulating drugs
Perthes’ disease
Avascular necrosis of the femoral head leading to collapse
Unclear cause
Affects boys > girls
Risk factors for Perthes’ disease
Passive smoking
Breech presentation
Family hx
Conservative treatment for Perthes’ disease
Physio - potential for healing
Immobilise hip
Avoidance of high impact activity
Surgical treatment for Perthes’ disease
Femoral osteotomy
Pelvic osteotomy
Hip distraction
Salvage procedure (containment)
Osteotomy
Removing osteophytes
Transient synovitis
Reactive infl of the synonym, 2’ to viral infection
Acute onset of joint pain/ limp following URTI
Self limiting illness
Seen in 2-12 yrs, usually boys (70%)
Management of transient synovitis
Analgesia - NSAIDs
Resolves spontaneously
Slipped upper femoral epiphysis
Mostly seen in fat, pre-pubertal boys (carry most of their weight in their trunk)
25% are bilateral
Can be acute or chronic
Presentation of SUFE
Groin, hip or knee pain
Antalgic gait
Difficulty abducting hip/ leg
Management of SUFE
Percutaneous pinning
Still’s disease
Adult - onset juvenile idiopathic arthritis
Presentation of Still’s disease
A salmon pink macular rash, arthralgia, myalgia, and a spiking high fever
Bloods for Still’s disease
Elevated ESR, WCC and ferritin
Sero-ve
Treatment for Still’s
NSAIDs
What is crepitus a clinical sign of
Joint damage
Clinical signs of joint infl
Stiffness
Effusion
Increased warmth
Soft tissue swelling
Ix for transient synovitis
Ultrasound guided hip aspiration