51 Questions
What is the main advantage of performing resection at the proximal metaphysis during surgery?
Closure over well-vascularized cancellous bone
When is a ray resection typically performed?
When there is extensive necrosis in the involved digit
What is a common reason for performing a transmetatarsal amputation?
To prevent further spread of infection
In which scenario would a patient most likely require a hallux amputation?
Abscess or osteomyelitis of the toe
What is a potential complication associated with verruca carcinoma?
Wide excision requiring partial ray resections
Which surgical procedure may be indicated for a patient with psoriasis and subsequent verruca carcinoma?
Syme's Amputation
What is the most common indication for transmetatarsal amputation?
Gangrene of one or more toes involving the metatarsals
In cases where an infectious process extends to the plantar aspect of the foot, what type of amputation may be required?
Syme's Amputation
What may result from the loss of function in the tibialis anterior tendon post-transmetatarsal amputation?
Charcot Arthropathy
Which aspect of the foot should be spared in transmetatarsal amputation to prevent equinus deformity?
Plantar aspect
In a neuropathic foot with an open infected lesion, what type of amputation may be indicated?
Transmetatarsal amputation
What class of patients are very seriously ill, perhaps at risk for septic shock or major cardiovascular complications?
Class 4
Which amputation level involves a cut through the talus and calcaneus bones?
Syme's amputation
For what medical problem is Class 2 patient category reserved in the perioperative period?
Diabetes
What does a BKA stand for in medical terms?
Below Knee Amputation
Which foot amputation level involves disarticulation at the ankle joint?
Syme's amputation
What is a Calcanectomy?
Amputation of the foot involving the heel bone
What emerging technology is used for intraoperative evaluation with dye and imaging?
Spy technology
What is still speculative and work continues regarding the prediction of healing based on vascular status?
Ankle Brachial Index
What is the concept derived from plastic surgery to evaluate the healing potential of flaps?
Angiosomes
In terms of timing, after what vascular intervention is it recommended to perform a surgery 10 to 30 days later?
Angioplasty
What can help predict the success of healing when determining the level of adequate blood flow?
Vascular Status
Which of the following is not always considered a contraindication to performing amputation at a certain level?
Low ankle brachial index
Which class of patients in the perioperative period is characterized as having a stable, chronic medical problem that is well controlled?
Class 2
What level of amputation involves disarticulation at the ankle joint?
Hindfoot
After a vascular intervention, what concept can be used to predict healing potential based on the vascular status of the patient?
Angiosomes concept
Which level of toe amputation is frequently performed through the base of the proximal phalanx?
Toes
What is the vascular supply to the lateral forefoot, plantar midfoot, and entire plantar forefoot?
Peroneal artery
Which artery supplies the medial ankle and lateral plantar heel?
Posterior tibial artery
How many angiosomes does the posterior tibial artery feed in the foot?
Three
Which artery continues on to the dorsum of the foot as the dorsalis pedis?
Anterior tibial artery
What is the correct order of angiosomes fed by the posterior tibial artery starting from lateral to medial?
Lateral forefoot, plantar heel, instep
Which artery supplies the lateral ankle and plantar heel via a calcaneal branch?
Posterior tibial artery
What is the main factor to consider for predicting the healing potential based on vascular status?
Vascular supply to the lateral forefoot
Which artery supplies the medial plantar instep according to the text?
Posterior tibial artery
What does ASA classification help in determining in relation to podiatric surgery?
Evaluation of physical status
How many angiosomes does the peroneal artery feed in the foot according to the text?
Four angiosomes
In terms of amputation level, what factor should be considered if a patient is not ambulatory?
Maintaining limb despite ambulation status
Which artery continues on to the dorsum of the foot as the dorsalis pedis?
Anterior tibial artery
What is the main purpose of the ASA classification system in the perioperative period?
To assess the patient's stability and predict perioperative medical care needs
In terms of predicting healing potential, how do angiosomes concept and vascular status relate?
Vascular status influences the number of angiosomes feeding a specific area
Why are Class 5 patients not expected to survive surgery or the perioperative period?
Due to an unstable medical condition with major cardiovascular complications
How does a Class 3 patient differ from a Class 2 patient in the perioperative period?
Class 3 patients have unstable medical problems while Class 2 patients have well-controlled conditions
Which element plays a crucial role in determining if a diabetic patient will fit into the Class 1 category?
The absence of any medical problems other than those related to the surgery
What is a distinguishing characteristic of Class 4 patients in terms of perioperative care needs?
They are at risk for septic shock and need intensive care
Which surgical procedure involves disarticulation at the ankle joint and is advocated as an alternative to below-knee amputation for providing a full-length extremity that can be used in emergency ambulation?
Syme's Amputation
What is a partial or complete removal of the calcaneus known as, which is advantageous for large heel ulcers with calcaneal osteomyelitis and a stable midfoot and forefoot?
Calcanectomy
What concept, derived from plastic surgery, is used to evaluate the healing potential of flaps?
Angiosomes theory
In terms of the ASA classification, which class of patients are characterized as being very seriously ill, perhaps at risk for septic shock or major cardiovascular complications?
ASA Class 4
Which artery supplies the lateral ankle and plantar heel via a calcaneal branch?
Posterior tibial artery
What level of toe amputation is frequently performed through the base of the proximal phalanx?
Transphalangeal amputation
Test your knowledge on orthopedic surgery techniques such as resection at the proximal metaphysis and ray resections. Learn about skin incisions, amputation procedures, and more.
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