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JPO Journal of Prosthetics and Orthotics: January 2007 - Volume 19 - Issue 1 - p 5-6
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  1. Read the article on pages 2–4.
  2. Complete the examination.
  3. Submit your completed examination to the AAOP per the directions on the next page.


The following questions require short answers only; you do not have to use complete sentences. All questions refer to the article, “Results of Managing Transtibial Amputations with a Prefabricated Polyethylene Rigid Removable Dressing” by Eric Ladenheim, MD, FACS, Kerri Oberti-Smith, CP, PT, and Gavin Tablada, CP.


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  1. [Select the correct response.] Which of the following does NOT represent an advantage of the removable rigid dressing (RRD):
    1. Prevention of knee flexion contractures.
    2. Increased healing time.
    3. Protection from injury.
    4. Edema control.
    5. Decreased wound pain.
    6. Uniform tissue compression.
    7. Soft tissue immobilization to facilitate healing.
  2. [Select the correct response.] Which of the following does NOT represent a potential problem with the use of the RRD:
    1. Pressure sores.
    2. Weight of the cast.
    3. Lack of access to the incision.
    4. Malodorous exudates absorbed into the cast.
    5. Significant delay in healing time due to structural design.
  3. (True or False) Recently, multiple commercially available prefabricated versions of a thermoplastic RRD have been developed.
  4. [Select the correct response.] Challenges concerning a plaster immediate postoperative prosthesis (IPOP) include all of the following EXCEPT:
    1. Weight.
    2. Difficulty in cleaning.
    3. Proper material selection.
    4. Vulnerability of the residual limb to injury during the interval between casting for a custom prosthesis and fitting.
  5. (True or False) It was suspected that the prefabricated RRD would not provide the sought after residual limb protection.
  6. (True or False) One purpose of this study was to answer the question of whether the reported benefits of the plaster RRD extend to the prefabricated system.
  7. [Select the correct response.] In this study, patients received this prefabricated RRD.
    1. 87
    2. 67
    3. 78
  8. (True or False) There were several statistically significant differences between the make up of the prefabricated RRD group and the soft dressing group in the various categories examined.
  9. (True or False) Utilization of rigid dressings and IPOP continues to be limited, particularly in the community hospital setting.
  10. (True or False) The rigid dressing technique has been reported to decrease rehabilitation time.
  11. (True or False) It was found that the RRD was helpful in aiding the healing of open incisional wounds, thus avoiding further surgery.
  12. (True or False) Another advantage of the prefabricated RRD is that it can be used merely for protection and containment of the tissues initially, and later it can be secured and provide auxiliary compression and shaping of the residuum.
  13. [Select the correct response.] Limitations of this study include all of the following EXCEPT:
    1. Timing of RRD application.
    2. Presence or absence of early weight bearing.
    3. Difficult and cumbersome nature of RRD application.
    4. Protocols used in dressing and garment sequence.
  14. (True or False) This study was undertaken to learn if benefits ascribed to rigid dressings and custom made RRDs extend as well to the prefabricated (non-pneumatic) RRD.
  15. (True or False) It was concluded that use of the prefabricated plastic RRD did promote faster healing time versus the use of traditional dressings.

Complete the JPO Self-Assessment Examination on the previous page and score a minimum of 75 percent to earn two PCE credits. Send the completed examination and payment in U.S. currency ($20/AAOP members, $50 nonmembers) to: AAOP, Dept. 937, Alexandria, VA 22334-0937. The examination must be received by the AAOP within 3 years of the publication date for credit to be awarded.

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© 2007 American Academy of Orthotists & Prosthetists