Is endoprosthesis safer than internal fixation for metastatic disease of the proximal femur? A systematic review

Alberto Di Martino, Nicolò Martinelli, Mattia Loppini, Andrea Piccioli, Vincenzo Denaro

Research output: Contribution to journalArticle

Abstract

Introduction Metastases to the proximal femur are usually managed surgically by tumor resection and reconstruction with an endoprosthesis, or by fixation with osteosynthesis. Still controversy remains regarding the most appropriate surgical treatment. We posed the following questions: (1) Is the frequency of surgical revision greater in patients treated with internal fixation than endoprosthetic reconstruction, and (2) Do complications that do not require surgery occur more frequently in patients treated with internal fixation rather than in those with endoprosthetic reconstruction? Materials and Methods A systematic review was performed of those studies reporting on surgical revision and complication rates comparing the two surgical methods. Ten studies including 1107 patients met the inclusion criteria, three with high methodological quality, three intermediate, and four with lowquality, according to the STROBE guidelines. Results At present, prosthetic dislocation is the most common complication observed in patients managed by prosthesis replacement of the proximal femur, while loosening was the main cause of reoperation in the fixation group. Time to reintervention ranged from 3 to 11.6 months for the prosthetic replacement and from 7.8 to 22.3 months for the fixation group. Non surgical complications, (mainly dislocations and infections) were more commonly observed in patients operated on by prosthetic replacement. Conclusions Implant related complications and surgery-related morbidity should be taken into account in the decision-making process for the surgical management of these patients. These data can improve the surgeon-patient communication and guide further studies on patients’ survival and complications with respect to surgery.

Original languageEnglish
Pages (from-to)S48-S54
JournalInjury
Volume48
DOIs
Publication statusPublished - Oct 1 2017

Keywords

  • Bone metastasis
  • Endoprosthesis
  • Internal fixation
  • Proximal femur

ASJC Scopus subject areas

  • Emergency Medicine
  • Orthopedics and Sports Medicine

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