CARLOS NOBRE RABELO JUNIOR

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  • article 15 Citação(ões) na Scopus
    Primary antiphospholipid syndrome: morphofunctional penile abnormalities with normal sperm analysis
    (2012) RABELO-JUNIOR, C. N.; CARVALHO, J. Freire de; GALLINARO, A. Lopes; BONFA, E.; COCUZZA, M.; SAITO, O.; SILVA, C. A.
    Objective: To perform a global gonadal and sexual functions assessment in primary antiphospholipid syndrome (PAPS) patients. Methods: A cross-sectional study was conducted in 12 male PAPS patients and 20 healthy controls. They were assessed by demographic data, clinical features, systematic urological examination, sexual function, testicular ultrasound, seminal parameters according to the World Health Organization (WHO), seminal sperm antibodies, and hormone profile, including follicle stimulating hormone (FSH), luteinizing hormone (LH), morning total testosterone, and thyroid hormones. Results: The median of current age and age of spermarche were similar in PAPS patients and controls (37.5 vs. 32.4 years, p = 0.270, and 13.1 vs. 12.85 years, p = 0.224, respectively), with a higher frequency of erectile dysfunction in the former group (25% vs. 0%, p = 0.044). Further analysis of PAPS patients with and without previous arterial thrombosis demonstrated that the median penis circumference was significantly lower in PAPS with arterial thrombosis than in PAPS without this complication (8.1 [6-10] vs. 10.2 [10-11] cm, p = 0.007). In addition, the median penis circumference was significantly lower in PAPS patients with erectile dysfunction than in patients without this complication (7.5 [6-9.5] vs. 9.5 [7.5-11] cm, p = 0.039). Regarding seminal analysis, the median sperm concentration, sperm motility, and normal sperm forms by WHO guidelines were comparable in PAPS patients and controls (141.5 [33-575] vs. 120.06 [34.5-329] x 106/ml, p = 0.65; 61.29 [25-80] vs. 65.42 [43-82]%, p = 0.4; 21.12 [10-42.5] vs. 23.95 [10-45]%, p = 0.45, respectively), and none of them had oligo/azoospermia. No differences were observed between PAPS patients and controls regarding the frequency of antisperm antibodies, testicular volume by ultrasound, or hormone profile (FSH, LH, morning total testosterone, and thyroid hormone) (p > 0.05). Conclusions: Normal testicular function has been identified in PAPS patients, in spite of morphofunctional penile abnormalities. Previous arterial thrombosis may underlie penile anthropometry alteration. Lupus (2012) 21, 251-256.
  • article 20 Citação(ões) na Scopus
    Penile alterations with severe sperm abnormalities in antiphospholipid syndrome associated with systemic lupus erythematosus
    (2013) RABELO-JUNIOR, Carlos Nobre; BONFA, Eloisa; CARVALHO, Jozelio F.; COCUZZA, Marcello; SAITO, Osmar; ABDO, Carmita H.; SILVA, Clovis A.
    This study aims to perform global gonadal and sexual function assessments in systemic lupus erythematosus-related antiphospholipid syndrome (SLE-APS) patients. A cross-sectional study was conducted in ten SLE-APS male patients and 20 healthy controls. They were assessed by demographic data, clinical features, urological examination, sexual function, testicular ultrasound, seminal parameters, sperm antibodies, and hormone profile. The median of current age was similar in SLE-APS patients and controls with a higher frequency of erectile dysfunction in the former group (30 vs. 0 %, p = 0.029). The median penis circumference was significantly reduced in SLE-APS patients with erectile dysfunction compared to patients without this complication (8.17 vs. 9.14 cm, p = 0.0397). SLE-APS patients with previous arterial thrombosis had a significantly reduced median penis circumference compared to those without this complication (7.5 vs. 9.18 cm, p = 0.039). Comparing SLE-APS patients and controls, the former had a significant lower median of sperm concentration (41.1 vs. 120.06 x 10(6)/mL, p = 0.003), percentages of sperm motility (47.25 vs. 65.42 %, p = 0.047), normal sperm forms by WHO guidelines (11 vs. 23.95 %, p = 0.002), and Kruger criteria (2.65 vs. 7.65 %, p = 0.02). Regarding seminal analysis, the medians of sperm concentration and total sperm count were significantly lower in SLE-APS patients treated with intravenous cyclophosphamide vs. those untreated with this drug (p < 0.05). Therefore, we have observed a novel association of reduced penile size with erectile dysfunction and previous arterial thrombosis in SLE-APS patients. Penis assessment should be routinely done in SLE-APS patients with fertility problems. We also identified that intravenous cyclophosphamide underlies severe sperm alterations in these patients.
  • article 2 Citação(ões) na Scopus
    Moderate/severe erectile dysfunction in patients with antiphospholipid syndrome
    (2012) GALLINARO, A. Lopes; SILVA, C. A.; RABELO JUNIOR, C. N.; CALEIRO, M. T. Correia; CARVALHO, J. F. de
    Purpose: To evaluate sexual function of antiphospholipid syndrome (APS) patients using the Brazilian version of the validated International Index of Erectile Function (IIEF). Materials and methods: Eleven APS male patients (Sapporo criteria) were age and race-matched with 22 healthy controls. Demographic and clinical data, drug use and antiphospholipid antibodies were evaluated. The IIEF was also self-applied. Results: Mean age (p = 0.114), frequency of Caucasian race (p = 1.00) and married status (p = 0.438) were similar in APS and controls. Mean disease duration was 8.8 +/- 4.6 years. Erectile dysfunction (ED) was frequently observed in APS versus controls (45.5 vs. 4.5%, p = 0.0096), especially moderate/severe ED (p = 0.0081). The total IIEF score (49.6 vs. 67.1, p = 0.019), erectile function (19.6 vs. 28.1, p = 0.005) and intercourse satisfaction (7.8 vs. 11.9, p = 0.009) were lower in patients than in controls. No differences were seen in orgasmic function (p = 0.114), sexual desire (p = 0.123) or overall satisfaction (p = 0.097) between the groups. The comparison between APS patients with ED (n = 5) and without ED (n = 6) revealed more arterial events in APS with ED (100 vs. 16.7%, p = 0.0152), and also longer disease duration (12 [7-16] vs. 5.5 [2-13] years, p = 0.031). A trend towards lower venous events (20 vs. 83.3%, p = 0.0801) and higher renal thrombotic microangiopathy (60% vs. 0, p = 0.0606) was observed in APS patients with ED. Demographics, clinical manifestations, smoking and antiphospholipid antibodies positivity were similar in both groups. Conclusion: To our knowledge, this was the first study that demonstrated moderate/severe ED in almost 50% of cases of a rare autoimmune disease. This alteration was linked to arterial events and longer disease duration. Lupus (2012) 21, 319-323.