Background ED is highly prevalent in HIV-infected men. T leads sexual behavior in men, but preliminary data suggests that ED is poorly related to serum T in HIV- infected men. Aim To explore the relationship between sexual function and gonadal function in young/middle-aged HIV-infected men. Methodology Prospective, cross-sectional, observational study on HIV-infected men (age <50 years). Serum TT was assessed by the gold standard LC-MS/MS. Sex hormone-binding globulin (SHBG) was measured by chemiluminescent im- munoassay and calculated free T (cFT) was obtained by Vermeulen equa- tion. Biochemical hypogonadism was defined as TT levels below 320ng/ dl and/or cFT levels below 64pg/ml. The validated International Index of Erectile Function (IIEF)-15 questionnaire was used to identify the presence of ED (score <25) and its degree. IIEF-5 was performed to check if it is reliable as IIEF-15 in this setting. Statistical analysis Continuous and categorical variables were compared using ANOVA univari- ate and Chi-Square test. Correlations were performed using linear regression models.Results 315 consecutive HIV-infected men were enrolled (mean age 45.3 ± 5.3 years; mean duration of HIV-infection 16.3 ± 8.8 years). A total of 187 patients (59.7%) had ED at IIEF-15; 59 patients (31.5%) presented a severe form of ED (score <10). Considering gonadal function, 35 patients (11.1%) had T deficiency. Scores of EF (P=0.039) and sexual desire (P=0.015) domains were higher in hypogonadal than eugonadal men. Accordingly, the prev- alence of ED raised to 71.4% among hypogonadal men. By considering ED severity, patients with severe ED showed a longer duration of infection (P = 0.039) and lower cFT levels (P = 0.041) than patients with mild ED. No difference was found for age (P = 0.224) and TT levels (P = 0.110). IIEF-15 score was inversely related to duration of infection (R2 = 0.030, beta = –0.173, P = 0.002) and patients’ age (R2 = 0.020, beta = –0.140, P = 0.013).No signif- icant correlation was found between IIEF-15 score and total T (P = 0.236) and cFT (P = 0.126). The erectile function domain at IIEF-15 directly cor- related with IIEF-5 score (R2 = 0.545, beta = 0.778, P < 0.001). Conclusions In our HIV-cohort of young/middle-aged men, the prevalence of ED and T deficiency were high being of 60% and 11%, respectively. Serum TT and cFT did not correlate with sexual function parameters, even though sexual desire was lower in men with hypogonadism. ED seems to be better predict- ed by other factors, such as the duration of infection in this clinical setting, rather than the gonadal status. Furthermore, IIEF-5 seems to be as reliable as IIEF-15 for ED diagnosis in HIV-infected men

Testosterone (T) is poorly related to sexual desire and Erectile Dysfunction (ED) in Young/Middle Aged Human immunodeficiency virus (HIV)-Infected Men / De Vincentis, S.; Decaroli, M. C.; Diazzi, C; Morini, F.; Bertani, D.; Fanelli, F.; Mezzullo, M.; Santi, D.; Tartaro, G.; Baraldi, E.; Tagliavini, S.; Pagotto, U.; Guaraldi, G.; Rochira, V.. - In: ENDOCRINE ABSTRACTS. - ISSN 1479-6848. - 70:AEP827(2020), pp. 0-1. ((Intervento presentato al convegno 22th e-European Congress of Endocrinology (ECE2020), Virtual Congress, , Czech Republic, . Endocrine Abstracts, 70, tenutosi a First Programmed in Prague, Czech Republic nel 5-9 September, 2020 [10.1530/endoabs.70.AEP827].

Testosterone (T) is poorly related to sexual desire and Erectile Dysfunction (ED) in Young/Middle Aged Human immunodeficiency virus (HIV)-Infected Men

S. De Vincentis
Writing – Review & Editing
;
M. C. Decaroli
Writing – Original Draft Preparation
;
C Diazzi
Membro del Collaboration Group
;
D. Santi
Membro del Collaboration Group
;
G. Tartaro
Resources
;
S. Tagliavini
Methodology
;
U. Pagotto
Supervision
;
G. Guaraldi
Supervision
;
V. Rochira
Conceptualization
2020

Abstract

Background ED is highly prevalent in HIV-infected men. T leads sexual behavior in men, but preliminary data suggests that ED is poorly related to serum T in HIV- infected men. Aim To explore the relationship between sexual function and gonadal function in young/middle-aged HIV-infected men. Methodology Prospective, cross-sectional, observational study on HIV-infected men (age <50 years). Serum TT was assessed by the gold standard LC-MS/MS. Sex hormone-binding globulin (SHBG) was measured by chemiluminescent im- munoassay and calculated free T (cFT) was obtained by Vermeulen equa- tion. Biochemical hypogonadism was defined as TT levels below 320ng/ dl and/or cFT levels below 64pg/ml. The validated International Index of Erectile Function (IIEF)-15 questionnaire was used to identify the presence of ED (score <25) and its degree. IIEF-5 was performed to check if it is reliable as IIEF-15 in this setting. Statistical analysis Continuous and categorical variables were compared using ANOVA univari- ate and Chi-Square test. Correlations were performed using linear regression models.Results 315 consecutive HIV-infected men were enrolled (mean age 45.3 ± 5.3 years; mean duration of HIV-infection 16.3 ± 8.8 years). A total of 187 patients (59.7%) had ED at IIEF-15; 59 patients (31.5%) presented a severe form of ED (score <10). Considering gonadal function, 35 patients (11.1%) had T deficiency. Scores of EF (P=0.039) and sexual desire (P=0.015) domains were higher in hypogonadal than eugonadal men. Accordingly, the prev- alence of ED raised to 71.4% among hypogonadal men. By considering ED severity, patients with severe ED showed a longer duration of infection (P = 0.039) and lower cFT levels (P = 0.041) than patients with mild ED. No difference was found for age (P = 0.224) and TT levels (P = 0.110). IIEF-15 score was inversely related to duration of infection (R2 = 0.030, beta = –0.173, P = 0.002) and patients’ age (R2 = 0.020, beta = –0.140, P = 0.013).No signif- icant correlation was found between IIEF-15 score and total T (P = 0.236) and cFT (P = 0.126). The erectile function domain at IIEF-15 directly cor- related with IIEF-5 score (R2 = 0.545, beta = 0.778, P < 0.001). Conclusions In our HIV-cohort of young/middle-aged men, the prevalence of ED and T deficiency were high being of 60% and 11%, respectively. Serum TT and cFT did not correlate with sexual function parameters, even though sexual desire was lower in men with hypogonadism. ED seems to be better predict- ed by other factors, such as the duration of infection in this clinical setting, rather than the gonadal status. Furthermore, IIEF-5 seems to be as reliable as IIEF-15 for ED diagnosis in HIV-infected men
22th e-European Congress of Endocrinology (ECE2020), Virtual Congress, , Czech Republic, . Endocrine Abstracts, 70,
First Programmed in Prague, Czech Republic
5-9 September, 2020
De Vincentis, S.; Decaroli, M. C.; Diazzi, C; Morini, F.; Bertani, D.; Fanelli, F.; Mezzullo, M.; Santi, D.; Tartaro, G.; Baraldi, E.; Tagliavini, S.; Pagotto, U.; Guaraldi, G.; Rochira, V.
Testosterone (T) is poorly related to sexual desire and Erectile Dysfunction (ED) in Young/Middle Aged Human immunodeficiency virus (HIV)-Infected Men / De Vincentis, S.; Decaroli, M. C.; Diazzi, C; Morini, F.; Bertani, D.; Fanelli, F.; Mezzullo, M.; Santi, D.; Tartaro, G.; Baraldi, E.; Tagliavini, S.; Pagotto, U.; Guaraldi, G.; Rochira, V.. - In: ENDOCRINE ABSTRACTS. - ISSN 1479-6848. - 70:AEP827(2020), pp. 0-1. ((Intervento presentato al convegno 22th e-European Congress of Endocrinology (ECE2020), Virtual Congress, , Czech Republic, . Endocrine Abstracts, 70, tenutosi a First Programmed in Prague, Czech Republic nel 5-9 September, 2020 [10.1530/endoabs.70.AEP827].
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