AI Article Synopsis
- The study compared outcomes of 180 total knee arthroplasty patients, split into two groups: 120 without ischemia and 60 with ischemia, with a focus on immediate postoperative results like pain, bleeding, and hemoglobin levels.
- Patients without ischemia reported better pain control, while those with ischemia experienced less intraoperative bleeding and a smaller hemoglobin differential.
- Despite these differences, the requirement for blood transfusions was not significantly affected by the use of ischemia, suggesting individualized surgeon preference in its application may be advisable.
Article Abstract
Comparison of immediate postoperative results of patients undergoing cemented total knee arthroplasty with and without ischemia. Observational, cross-sectional, retrospective, analytical, single-center study that included 180 patients who underwent total knee arthroplasty from 2011 to 2014: 120 without ischemia, 60 with ischemia. Mean age was 70 years with SD ± 7. Criteria to assess the immediate postoperative results include intraoperative bleeding, hemoglobin differential and pain. Exclusion criteria comprised patients being treated at a pain clinic, those on anticoagulants, with a history of bleeding disorders, psychiatric conditions, kidney failure or those intolerant to NSAIDs. In total knee arthroplasty without ischemia there is better pain control (p = 0.026). The hemoglobin differential and intraoperative bleeding were less with ischemia (p = 0.008). 32.8% of patients required blood transfusion, but no statistically significant relationship was established with the use or non-use of ischemia (p = 0.301). The most commonly reported pain was within a VAS of 0-3; 62.2% of cases reported mild pain. Mean hemoglobin differential was 3.7 with SD ± 1.3 with a range from 0 to 7.4. Patients in whom no ischemia was used during the surgical procedure experienced less pain. There was less bleeding and hemoglobin differential with the use of ischemia. However, this did not result in a statistically significant difference in the need for blood transfusion. The use of ischemia with caution and according to the surgeons preference is recommended.
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