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Testosterone to Luteinizing Hormone Ratio as a Potential Predictor of Sperm Retrieval in Non-Obstructive Azoospermia Patients

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Purpose: This study assessed the outcomes of microsurgical testicular sperm extraction (mTESE) and potential preoperative pre dictors of sperm retrieval (SR) in patients with non-obstructive azoospermia (NOA). Materials and Methods: Clinical data of 111 NOA patients who underwent mTESE was reviewed retrospectively. Baseline patient characteristics, including age, body mass index (BMI), testicular volumes, and preoperative endocrine levels, such as testosterone (T), follicle-stimulating hormone (FSH), serum-luteinizing hormone (LH), prolactin, sex hormone-binding globulin (SHBG), FSH/LH ratio along with T/LH ratio, were analyzed. After categorizing the patients into two groups based on SR success or failure, logistic regression analysis was performed to identify the preoperative predictors of successful SR. Results: Sixty-eight patients had successful SR (61.3%), whereas 43 patients (38.7%) showed negative results. Failed SR group had elevated serum FSH and LH levels, whereas successful SR patients had a significantly larger testicular volume (p<0.001). More over, the successful group had a higher T/LH ratio (p<0.001). Multivariate logistic analysis showed that the T/LH ratio, serum FSH levels, and bilateral testicular volumes were significantly associated with successful sperm extraction. Conclusion: In addition to traditional predictors, such as testicular volume and preoperative FSH levels, the T/LH ratio is a po tential independent predictor of successful SR in infertile patients with NOA.

Abstract

Purpose: This study assessed the outcomes of microsurgical testicular sperm extraction (mTESE) and potential preoperative pre dictors of sperm retrieval (SR) in patients with non-obstructive azoospermia (NOA). Materials and Methods: Clinical data of 111 NOA patients who underwent mTESE was reviewed retrospectively. Baseline patient characteristics, including age, body mass index (BMI), testicular volumes, and preoperative endocrine levels, such as testosterone (T), follicle-stimulating hormone (FSH), serum-luteinizing hormone (LH), prolactin, sex hormone-binding globulin (SHBG), FSH/LH ratio along with T/LH ratio, were analyzed. After categorizing the patients into two groups based on SR success or failure, logistic regression analysis was performed to identify the preoperative predictors of successful SR. Results: Sixty-eight patients had successful SR (61.3%), whereas 43 patients (38.7%) showed negative results. Failed SR group had elevated serum FSH and LH levels, whereas successful SR patients had a significantly larger testicular volume (p<0.001). More over, the successful group had a higher T/LH ratio (p<0.001). Multivariate logistic analysis showed that the T/LH ratio, serum FSH levels, and bilateral testicular volumes were significantly associated with successful sperm extraction. Conclusion: In addition to traditional predictors, such as testicular volume and preoperative FSH levels, the T/LH ratio is a po tential independent predictor of successful SR in infertile patients with NOA.

참고문헌 (39)

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