AI Article Synopsis
- The study evaluated the use of cementless, modular, distally fixed MP stems for hip revision surgeries, focusing on complications, re-operation rates, and survival rates in a county hospital setting.
- The research included data from 132 hip surgeries conducted between January 2007 and 2014, with findings reviewed 18-102 months postoperatively.
- Results indicated that 29% of patients experienced complications, primarily prosthetic dislocation, but overall, the MP stem demonstrated a high survival rate of 99% and satisfactory outcomes despite the hospital's limited caseload.
Article Abstract
Purpose: The use of cementless, modular, distally fixed stem in hip revision arthroplasty has increased during the last decades. We aimed to analyze the early and late postoperative complications, re-operation rate, and survival rate of the MP stem operated at our county hospital with relatively limited caseload.
Methods: In this retrospective study, we included 132 hips operated with MP stem between January 2007-2014. An independent observer reviewed patients' medical records in July 2015 (18-102 months postoperatively, median 52.5) to collect the following data: age, sex, American Society of Anesthesiologists (ASA) class, body mass index, indication of revision, type of operation, early and late complications, re-operation rate, and mortality during study period.
Results: The commonest indication for MP stem operation was aseptic loosening (72%). We found early and late postoperative complications in 29% of cases. The most common complication was prosthetic dislocation (8%), followed by intra-operative peri-prosthetic fracture (5%). The commonest indication for MP re-operation was soft tissue revision for infection (7%) followed by closed reduction for prosthetic dislocation (6%). We found no correlation between the age, sex, ASA class, and type of operation and the re-operation risk. Only one prosthesis was extracted giving a survival rate for 99% for the study period.
Conclusion: This study showed good results of the MP prosthesis with reasonable complication and re-operation rates and negligible extraction rate, indicating the good performance of this implant even when used in the setting of a county hospital with limited caseload.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5754434 | PMC |
| http://dx.doi.org/10.1007/s00590-017-2013-x | DOI Listing |
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