Outcomes of Hemiarthroplasty compared to total hip arthropla
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Hip replacement is divided into total hip arthroplasty (THA) and hemiarthroplasty (HA). It is still controversial whether to choose THA or HA for femoral neck fractures (FNF). The goal of this study was to review relevant studies in order to determine the HA compared to THA for the treatment of FNF.

Results:
-- 19 studies with a total of 413,140 patients were included in the HA group and 44973 in the THA group.

-- The blood loss, surgery time, and dislocation were all significantly decreased in the HA group than the THA group.

-- The length of hospital, pneumonia, and renal failure were significant increased in the HA group than THA group.

-- There has no significant difference of complication, mortality, reoperation, infection, pulmonary embolism, and myocardial infarct between the two groups.

In conclusion, HA is in favor of reducing blood loss and operating time. THA is beneficial in reducing hospital length, pneumonia incidence and renal failure. Researchers should look at several aspects for the selection of surgical methods for femoral neck fractures in elderly people, including patient age, whether osteoporosis exists, the type of femoral neck brocture, the preoperatively reduced situation and the needs in the postoperative condition of the patient and his or her family.

Source: https://josr-online.biomedcentral.com/articles/10.1186/s13018-020-02186-4
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