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The Triple fusion is a versatile and successful intervention for treating both significant deformity as well as arthritic symptoms. The joints fused in this operation are the subtalar, talo-navicular and calcaneo-cuboid.
It is key that joint preparation is correctly done and that hind-foot and mid-foot alignment is restored. A CT or MRI is required in the majority of cases pre-operatively to adequately define the bone stock and level of deformity and identify all associated degenerative change.
Though the approaches used and techniques employed in the operation have changed little over the last thirty years a significant assistance to those performing has has been the development over the last ten to fifteen years of large and compressive staples and locking plates to fix the midfoot joints. This technique demonstrates the use of an Orthosolutions cannulated large fragment screw to fix the subtalar joint and Wright Charlotte staples for the midfoot joints.
Functionality for most activities of daily living is little effected after a triple fusion but in the longer term arthritis is likely to occur in the neighbouring joints.
Author:Mark Herron FRCS.
Institution: The Wellington Hospital, London
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Question 1 of 15
which one of the following conditions is not an indication for a Triple fusion ?CorrectIncorrect
Question 2 of 15
Which one of the following is true In assessing a patient pre-operatively for a Triple fusion?CorrectIncorrect
Question 3 of 15
Which one of the following statements is most correct about the information required prior to Triple fusion ?CorrectIncorrect
Question 4 of 15
At the time of Triple fusion surgery which one of the following additional surgical interventions is not likely to be required?CorrectIncorrect
Question 5 of 15
Which one of the following statements is incorrect about the alignment aimed for with a Triple fusion?CorrectIncorrect
Question 6 of 15
Which of the following structures may not be encountered in the lateral approach to the subtalar joint ?CorrectIncorrect
Question 7 of 15
During preparation of the subtalar joint as part of a Triple fusion which one of the following is true ?CorrectIncorrect
Question 8 of 15
In correcting an arthritic and severe plano-valgus deformity using a Triple fusion which one of the following is not appropriate?CorrectIncorrect
Question 9 of 15
Which one following statement is true of the Talo-navicular joint in relation to a Triple fusion?CorrectIncorrect
Question 10 of 15
Following preparation of the joints during a Triple fusion which statement about fixation is correct ?CorrectIncorrect
Question 11 of 15
Which one of the following is not recommended if a screw inserted from Talar neck into the Calcaneus across the Subtalar joint fails to produce a good compressive fixation ?CorrectIncorrect
Question 12 of 15
During the post-operative period after a Triple fusion which one of the following is true ?CorrectIncorrect
Question 13 of 15
Which one of the following is true in a patient with post-operative pain at the 12 week stageCorrectIncorrect
Question 14 of 15
Regarding the published results of isolated subtalar fusion which is correct ?CorrectIncorrect
Question 15 of 15
Regarding the published results of Triple fusions which one of the following statement is trueCorrectIncorrect