Less blood loss in supercapsular percutaneously total hip ar
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Excellent clinical outcomes of supercapsular percutaneously assisted total hip arthroplasty (SuperPath) have been reported. The current study determined the blood loss during SuperPath was less than conventional posterolateral total hip arthroplasty (PLTH).

This retrospective study enrolled patients who underwent unilateral primary THA. The demographic data, diagnosis, affected side, radiographic findings, hemoglobin concentration, hematocrit, operative time, transfusion requirements, and intra-operative blood loss were recorded. The peri-operative blood loss was calculated using the OSTHEO formula. Blood loss on the 1st, 3rd, and 5th post-operative days was calculated. Hidden blood loss (HBL) was determined by subtracting the intra-operative blood loss from the total blood loss.

Results:
--263 patients were included in the study, 85 of whom were in the SuperPath group and 178 in the posterolateral total hip arthroplasty (PLTH) group.

--Patient demographics, diagnosis, affected side, operative times, and pre-operative hemoglobin concentrations did not differ significantly between the two groups.

--Compared to the PLTH group, the SuperPath group had less blood loss, including intra-operative blood loss, 1st, 3rd, and 5th post-operative days blood loss, and HBL.

--Total blood loss and HBL was 790.07 ± 233.37 and 560.67 ± 195.54 mL for the SuperPath group, respectively, and 1141.26 ± 482.52 and 783.45 ± 379.24 mL for the PLTH group.

--PLTH led to a greater reduction in the post-operative hematocrit than SuperPath. A much lower transfusion rate and transfusion volume was also noted in the SuperPath group.

In particular, SuperPath resulted in less perioperative blood loss and a lower transfusion rate than conventional PLTH.

Source: https://josr-online.biomedcentral.com/articles/10.1186/s13018-021-02363-z
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