Prosthetic interventions for people with transtibial amputation: Systematic review and meta-analysis of high-quality prospective literature and systematic reviews

M. Jason Highsmith, Jason T. Kahle, Rebecca M. Miro, Michael S. Orendurff, Amanda L. Lewandowski, John J. Orriola, Bryce Sutton, Jan P. Ertl

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Considering transtibial amputation (TTA) rehabilitation costs and complexity, high-quality literature should inform clinical practice. Systematic reviews (SRs) suggest this is not the case. This article's purpose was to review the highest-quality evidence available to guide clinical practice for TTA regarding five prosthetic intervention areas. Six databases were searched for high-quality SRs and prospective clinical trials (randomized clinical trials [RCTs]). Reviewers screened, sorted, rated (i.e., methodologic quality, bias risk), and extracted article data. Meta-analyses were conducted when possible. Thirty-one references were included (25 RCTs and 6 SRs). Five topical areas emerged (alignment, feet and ankles, interface, postoperative care, pylons). Twenty-three evidence statements were supported by level 2 evidence and eight by level 1 evidence. All RCTs reported randomization and reasonable data presentation. Concealed allocation and blinding were not widely used. Mean attrition was 11%. SRs included no meta-analyses. Functional level was poorly reported. Grouping feet and ankle components by functional classification enabled meta-analyses, though variance was considerable given the small sample sizes. Prosthetic interventions are generally safe for TTAs. High-quality literature enabled formulation of evidence statements to support select clinical practice areas, though quantity was lacking. Thus, numerous topics related to TTA care lack rigorous evidence. Although blinding in prosthetic research requires increased funding and effort, it could greatly improve the methodologic quality of prosthetic research.

Original languageEnglish (US)
Pages (from-to)157-184
Number of pages28
JournalJournal of Rehabilitation Research and Development
Volume53
Issue number2
DOIs
StatePublished - 2016

Keywords

  • Amputee
  • Below-knee
  • Immediate postoperative prosthesis
  • Prosthetic foot
  • Pylon
  • Residual limb
  • Socket
  • Torsion
  • Valgus
  • Varus

ASJC Scopus subject areas

  • Rehabilitation

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