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  • Title: Testicular sperm aspiration (TESA) in 327 ICSI cycles.
    Author: La Sala GB, Valli B, Leoni S, Pescarini M, Martino F, Nicoli A.
    Journal: Int J Fertil Womens Med; 2006; 51(4):177-82. PubMed ID: 17184103.
    Abstract:
    OBJECTIVE: To evaluate the efficiency of testicular sperm recovery by testicular sperm aspiration (TESA) in an IVF program. DESIGN: Retrospective Data Analysis. SETTING: The Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Arcispedale S. Maria Nuova, Reggio Emilia, Italy. PATIENT(S): Couples undergoing TESA/ICSI for obstructive or nonobstructive azoospermia. INTERVENTION(S): ESA/ICSI. MAIN OUTCOME MEASURE(S): Efficiency of testicular sperm recovery, fertilization rate, implantation rate and clinical pregnancy rate. RESULT(S): Between March 1, 1997 and March 31, 2005, 327 cycles of TESA/ICSI were performed in couples in which the male had obstructive or nonobstructive azoospermia. The efficiency of testicular sperm recovery was 99.4% and 99.3%, fertilization rate 57.1% and 49.1%, implantation rate 5.7% and 6.2%, and the clinical pregnancy rate 12.9% and 15.4% in men with obstructive and nonobstructive infertility, respectively. CONCLUSION(S): The efficiency of TESA is very high in both obstructive and nonobstructive azoospermia. Because TESA is less invasive than TESE, it should be considered a valuable alternative to TESE in IVF programs, especially in setting where resources are limited.
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