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Acta ortopédica mexicana
versión impresa ISSN 2306-4102
Resumen
BAUTISTA, M et al. How to select a prosthesis for a primary hip replacement? Minimum acceptable survival: results of a consensus of experts. Acta ortop. mex [online]. 2017, vol.31, n.6, pp.292-299. ISSN 2306-4102.
Background:
One of the most critical points in the planning of hip replacement surgeries is the selection of the implant, since its survival significantly impacts the patients’ health. However, the ideal survival time that an implant must prove to be selected has not been defined. The objective of this consensus is to define minimum performance standards for the selection of conventional primary hip replacement prosthesis.
Material and methods:
The consensus was carried out using the methodology of ‘nominal group’. This included: 1. A review of the available evidence and the issues to be evaluated, 2. Meeting for the vote and discussion, 3. Quantitative statistical analysis with median (M) and interquartile range (IQR) and qualitative one with proportions of the results to generate recommendations.
Results:
The primary source of information for prosthesis selection (M: 8; IQR: 7-9), choice in the event of conflicting evidence (M: 8; IQR: 7-9), or limited evidence in the literature (M: 7; IQR: 4.75-825) should be national registries. The minimum acceptable follow-up is 10 years (M: 9; IQR: 8-9) and the minimum acceptable survival is 90% at 10 years (M: 8; IQR: 5-8.5).
Discussion:
According to these results, the consensus of experts proposed that the selection of the implant for conventional primary hip replacement must be based on the information published in the national registries and that the prosthesis must have a minimum follow-up of 10 years and show a minimum survival of 90%.
Palabras llave : Consensus; prostheses and implants; total hip replacement; arthroplasty; registries.