52 Questions
What is the general consensus regarding the utilization of a tourniquet in patients with previous ipsilateral lower extremity revascularization?
It should be avoided due to safety concerns.
Why is it important to check hemoglobin and hematocrit before surgery?
To establish a baseline for monitoring potential blood loss during surgery.
How many units of blood should be available at the time of surgery, as recommended in the text?
At least 2 units of blood.
Which stabilization technique is typically used for hindfoot fusions for long-term success?
External fixation
What is the purpose of positioning the calcaneus vertically in a Pirogoff amputation?
To alleviate limb length discrepancy.
Which of the following is NOT a recommended approach for stabilizing hindfoot fusions according to the text?
Choparts Amputation
What is a clear indication for transmetatarsal amputation based on the given text?
Gangrene involving toes and metatarsals with stability
What is emphasized in the text as essential to preserve to prevent equinus deformity after transmetatarsal amputation?
Insertion of the tibialis anterior tendon
What type of lesion would NOT be an indication for transmetatarsal amputation according to the text?
Gangrene involving metatarsals but not toes
When should an open transmetatarsal amputation be considered according to the text?
When there is an infectious process extending to the web space
What would be a detrimental outcome if there is loss of function of the tibialis anterior tendon after amputation?
Equinus deformity
What is the primary advantage of Syme's Amputation over below-knee amputation (BKA)?
Allows for a longer length of the limb
Which technique involves the utilization of the talus as a graft to help fill a defect at the fusion site?
Modified Boyd's Kornah
In the context of amputations, what is a benefit of utilizing the Calcaneus in surgical procedures?
Advantageous for large heel ulcers with osteomyelitis
What distinguishes a single-stage procedure like Syme's Amputation from a double-stage procedure?
Ease of prosthetic construction
Why is Syme's Amputation controversial in terms of stability and prosthetic construction?
Uncertainty about the stability of the amputation site
Which technique is particularly suitable for patients with ankle varus deformity and lateral ankle ulcers?
Calcanectomy
What surgical procedure involves disarticulation at the Talonavicular and calcaneal cuboid joint?
Choparts Amputation
Why is using the tourniquet not recommended in patients with previous ipsilateral lower extremity revascularization?
Poses a safety risk due to compromised blood flow
Which amputation technique involves full ankle disarticulation?
Symes Amputation
In which procedure is the calcaneus positioned vertically to help alleviate limb length discrepancy?
Pirogoff Amputation
What is the main reason for stabilizing hindfoot fusions in most cases for long-term success?
To enhance prosthetic fitting
Which technique involves utilizing the talus as an interposition bone graft if viable?
Modified Boyd’s Amputation
What is the primary indication for performing a ray resection according to the text?
To treat verruca carcinoma
In what scenario would transmetatarsal amputations NOT be recommended based on the information provided?
Presence of psoriasis
What condition would necessitate a hallux amputation in conjunction with a partial ray resection?
Abscess or osteomyelitis of a toe
Why might a patient with PVD require a wound vac after partial ray resection?
To facilitate closure over raw cancellous bone
Which procedure would be most appropriate for treating verruca carcinoma that requires wide excision?
Transmetatarsal amputation
What differentiates a transmetatarsal amputation from a partial ray resection based on the information provided?
Extent of metatarsal removal
What distinguishes a Syme's Amputation from a Boyd Amputation according to the text?
Syme's Amputation allows for a full-length extremity, while Boyd Amputation involves tibialcalcaneal fusion.
Which technique is advantageous for patients with large heel ulcers and calcaneal osteomyelitis, requiring a stable midfoot and forefoot?
Partial Calcanectomy
In what scenario is a transmetatarsal amputation particularly suitable?
For a diabetic patient with Charcot arthropathy
What is the primary advantage of a Calcanectomy compared to below-knee amputation (BKA) or above-knee amputation (AKA)?
Ability to ambulate well with or without an assistive device
What is the recognized problem in other amputations compared to Syme's Amputation?
Anatomical and physiological disadvantages
Why would a surgeon choose a Partial Calcanectomy over a Boyd Amputation for specific cases?
For large heel ulcers with calcaneal osteomyelitis and stable midfoot/forefoot
What is the primary indication for a transmetatarsal amputation based on the text?
Extension of an infectious process to the web space
What is emphasized as essential to preserve post-transmetatarsal amputation to prevent equinus deformity?
Insertion of the tibialis anterior tendon
Why might a transmetatarsal amputation be recommended over other procedures?
To maintain angiosome integrity
In which scenario would an open transmetatarsal amputation NOT be appropriate?
Presence of neuropathic foot lesions
What differentiates a transmetatarsal amputation from a ray resection?
Preservation of metatarsophalangeal joint function
What is a potential issue a surgeon may face during a transmetatarsal amputation if not addressed properly?
Equinus deformity
In the context of calcaneotomy, what is the primary reason for positioning the calcaneus vertically in procedures like Pirogoff amputation?
Alleviating limb length discrepancy
Which aspect is crucial in preventing equinus deformity after undergoing a tendon-related surgical procedure?
Avoiding excessive plantarflexion
What is an important consideration for a surgeon regarding angiosome in the context of amputations?
Ensuring adequate arterial blood supply to the surgical site
What could be a potential complication resulting from an error in performing a calcaneotomy procedure?
Achilles tendon rupture
How does proper management of tendons play a role in reducing complications after transmetatarsal amputation?
Supporting proper gait mechanics
What is a potential benefit of performing a Syme's Amputation compared to other amputations?
Better preservation of angiosomes
In the context of amputations, why might a surgeon choose to perform a calcaneotomy?
To address large heel ulcers with calcaneal osteomyelitis
What is a crucial consideration when deciding to perform a transmetatarsal amputation?
Potential loss of tibialis anterior function
How does utilizing the Calcaneus in surgical procedures contribute to patient outcomes?
Enhances stability for ambulation
Why is the preservation of tendon integrity crucial during amputation procedures?
To maintain proper foot biomechanics
What is a key consideration when assessing the suitability of a patient for a Syme's Amputation?
Presence of neuropathic lateral ankle ulcers
Learn about various surgical techniques for lower extremity amputations, including Transmetatarsal Amputation, LisFranc’s Disarticulation, Hindfoot Amputations, and more. Explore considerations and procedures for each technique.
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