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You are here: Home / Pondering Paeds / Pondering Paeds: Buckle In!

Pondering Paeds: Buckle In!

April 12, 2015 By Pondering EM 1 Comment

Author: Dr. Katie Knight

I believe that anything we do in the paediatric emergency department should aim for the most streamlined care pathway and least hassle for the child, parent and whole family. Quality improvement projects that change something to achieve the above are right up my street.

I was involved in introducing a new buckle fracture guideline in a department I worked in a while ago, which totally changed the way we dealt with the injury (splinting rather than casting) – kids and parents much preferred the new approach, and the department saved money as well – an all-round win. More information on the project can be found here.

Some places still put buckle fractures in casts and re-Xray them at 2 weeks etc… so I thought I’d write a piece about splinting buckle fractures, which is based on evidence from clinical research – several RCTs are neatly summarised over at bestbets.

What is a buckle fracture?

A buckle fracture (sometimes called torus fracture) is an incomplete fracture of the distal radius. On the Xray there is classically a bulge of the cortex due to compression along the long axis of the bone. Sometimes on the lateral view you can see a ‘step’ in the cortex but crucially the opposite cortex is intact. There is minimal angulation of the radial fracture, and the ulna is intact.

buckle-1

More pics and description can be found on the buckle fracture page at Radiopaedia.

Mechanism – Fall Onto Out Stretched Hand (‘FOOSH’)

Older folks might get a Colles fracture from a FOOSH. The same mechanism in a kid, whose bones are much more pliable, will often cause a buckle fracture.

Generally, there is well-defined tenderness at one point on the radius, but sometimes not much swelling. Buckle fractures aren’t always due to a fall – they can also result from a strong impact to a hand (like a goalie trying to stop a football with some serious pace behind it) – have a really low threshold for Xray.

It goes without saying that you should take a careful history of any injury in a child. If you don’t think the mechanism makes sense or you have any child protection concerns, speak to a senior.

buckle-2         buckle-4

 

The Xrays show a ‘step’ in the radial cortex and a bit of angulation but the opposite cortex and ulna are intact.

Explanation

Show the parent and child the Xray so they understand that their ‘fracture’ is more like a ‘bone bruise’. This usually alleviates a lot of anxiety that goes along with the word ‘fracture’.

Management

Traditionally, children with a buckle fracture were put into a plaster of paris backslab or full plaster cast, and brought back for orthopaedic clinic.

Being in a cast is a big deal for a child and their family. It is hot, uncomfortable, limits their activities for several weeks, and gets really smelly!

The good news is that several RCTs (summarised here) have demonstrated that this minor injury can be managed safely and effectively with a removable velcro splint, and does not need follow up.

splint
FIST BUMP!

Why choose splint over backslab?

  • No hot smelly cast = happier child, happier parents
  • No reattendance for cast removal = less overbooked ortho clinics
  • Can take splint off for bathing
  • Saves nurses’ time applying cast
  • Saves money for the department

Checklist – is a splint OK for this child?

  • Only radius involved
  • Buckle is in DISTAL 1/3 of radius
  • Minimal angulation
  • Get a senior doctor or radiologist to review the Xray if you are unsure in any way
  • Will child/family comply with the splint? (if behavioural difficulties or other concerns – may be more appropriate to put child in cast)

Advice for Home

(As suggested by our department’s leaflet, in other places guidelines may be slightly different)

  • Regular simple analgesia for several days, then as needed.
  • Keep splint on constantly for two weeks (only taking off briefly for washing).
  • In the third week the child can start taking splint off for longer periods if they are comfortable – they will normally start to want to use the arm normally when it is on the mend.
  • After the third week, the splint does not need to be used any more.
  • No contact sports for six weeks after injury, as there is a risk of re-fracture at the same site.

Safety Netting (as always!)

Demonstrate how to put the splint on correctly.

Tell them to come back if the wrist becomes much more painful/swollen, if they have any altered sensation or they fall and injure the same arm again.

 These ones are NOT OK to splint…

buckle-final
Both radius and ulnar involved

 

img-2
Disruption of both cortexes

 

img-1
Disruption of both cortexes – subtle

 

img-3
Hope this one’s obvious!

 

About the author…

Dr. Katie Knight (@ponderingPaeds) is a paediatrics trainee in London, currently working at Homerton University Hospital. She has completed 3 years of training in general paediatrics and is planning to specialise in paediatric emergency medicine. She is passionate about innovative medical education and simulation training in PEM.

 

Filed Under: Pondering Paeds Tagged With: Buckle Fractures, EM, Paeds

Authors

  • Adam Walker
  • Andrew Wilkinson
  • John Gilbert
  • Pondering EM

Trackbacks

  1. PEM Review 012 – INJURIES // MEASLES // CHILD ABUSE // SEDATION // TONGUE LACERATIONS | PEMgeek.com – #FOAMed Highlights from the world of Paediatric Emergency Medicine says:
    August 13, 2015 at 12:01 pm

    […] injuries kids present with (typically after a fall onto an outstretched hand). They can be safely managed conservatively – ie with a removable splint rather than a plaster cast […]

    Reply

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