Annals of vascular surgery · 2025
Factors Affecting the Decrease in Psoas Muscle Area 1 Year After Thoracic Aortic Replacement in Older Patients.
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Araki Naoya, Nakata Kosuke, Hirota Takafumi, Hidaka Hideaki, Horibe Tatsuya, Takaki Jun, Yoshinaga Takashi, Fukui Toshihiro
Аннотация
BACKGROUND: To investigate the rate of change in the psoas muscle area (PMA) from the preoperative period to 1 year postoperatively in patients aged ≥65 years undergoing elective thoracic aortic replacement and identify factors influencing PMA decrease at 1 year.
METHODS: In this single-center retrospective study, PMA was measured in 73 patients (median age, 75 years; 25 women) preoperatively and 1 year postoperatively. Factors affecting PMA decreased after thoracic aortic replacement were identified using univariate and multivariate analyses. Patients were divided into 2 groups based on whether their PMA had decreased 1 year after thoracic aortic replacement compared to the preoperative value.
RESULTS: The decrease and nondecrease groups comprised 38 and 35 patients, respectively. From the univariate logistic regression analysis results, male sex (P = 0.004), preoperative body mass index (BMI) (P = 0.020), and failure of postoperative 6-min walk distance (6 MWD) to recover to the preoperative value (P = 0.012) were selected for the multivariate analysis. Multivariate logistic regression analysis identified male sex (odds ratio (OR) = 5.019, 95% confidence interval (CI) = 1.527-16.499, P = 0.008), preoperative BMI (OR = 1.190, 95% CI = 1.004-1.410, P = 0.045), and failure of postoperative 6 MWD to recover to the preoperative value (OR = 9.617, 95% CI = 1.590-58.152, P = 0.014) as independent predictors of PMA decrease.
CONCLUSION: Male sex, preoperative BMI, and failure of postoperative 6 MWD to recover to the preoperative value were independent factors influencing the decrease in PMA 1 year after thoracic aortic replacement.
METHODS: In this single-center retrospective study, PMA was measured in 73 patients (median age, 75 years; 25 women) preoperatively and 1 year postoperatively. Factors affecting PMA decreased after thoracic aortic replacement were identified using univariate and multivariate analyses. Patients were divided into 2 groups based on whether their PMA had decreased 1 year after thoracic aortic replacement compared to the preoperative value.
RESULTS: The decrease and nondecrease groups comprised 38 and 35 patients, respectively. From the univariate logistic regression analysis results, male sex (P = 0.004), preoperative body mass index (BMI) (P = 0.020), and failure of postoperative 6-min walk distance (6 MWD) to recover to the preoperative value (P = 0.012) were selected for the multivariate analysis. Multivariate logistic regression analysis identified male sex (odds ratio (OR) = 5.019, 95% confidence interval (CI) = 1.527-16.499, P = 0.008), preoperative BMI (OR = 1.190, 95% CI = 1.004-1.410, P = 0.045), and failure of postoperative 6 MWD to recover to the preoperative value (OR = 9.617, 95% CI = 1.590-58.152, P = 0.014) as independent predictors of PMA decrease.
CONCLUSION: Male sex, preoperative BMI, and failure of postoperative 6 MWD to recover to the preoperative value were independent factors influencing the decrease in PMA 1 year after thoracic aortic replacement.