Normal Variations in Episodes and Duration of Nocturnal Penile Tumescence Among Iranian Men: A Descriptive Analytical Study
| Author | Amir Alinejad Khorram | en |
| Author | Zahra Razzaghi | en |
| Author | Hossein Rahnama | en |
| Author | Farzad Allameh | en |
| Orcid | Amir Alinejad Khorram [0000-0002-5931-1036] | en |
| Orcid | Zahra Razzaghi [0000-0003-0039-9501] | en |
| Orcid | Farzad Allameh [0000-0003-4536-6404] | en |
| Issued Date | 2024-08-31 | en |
| Abstract | Background: Erectile dysfunction (ED) in men is a significant issue that can profoundly impact personal relationships, mood, and overall quality of life. The nocturnal penile tumescence (NPT) test is a valuable tool for distinguishing between psychological and physiological causes of ED. The normal values of the NPT test are a subject of debate across various racial groups. Therefore, there is a need to conduct a study in the Middle East region to establish standard norms for NPT. Objectives: The aim of this study is to investigate the results of the NPT test in sexually healthy Iranian men. Methods: This descriptive study involved the examination of 30 sexually healthy Iranian volunteers using the iranian erection analyzer over a period of two nights. In this study, a NPT episode was defined as radial rigidity exceeding 70%. The frequency and duration of these episodes were documented and subjected to analysis. Results: The average number of tumescence episodes per participant on the first and second nights was observed to be 1.73 ± 0.82 and 1.9 ± 0.66 episodes, respectively. The average duration of each tumescence episode on the first and second nights was found to be 16.04 ± 7.7 and 22.08 ± 6.85 minutes, respectively. A statistically significant difference in tumescence duration was noted between the two nights (P < 0.001), with the second night showing higher values. Furthermore, it was determined that 83.4% of sexually healthy men experienced 1 to 2 episodes of tumescence during the night. Conclusions: The findings of this study indicate that the majority of sexually healthy Iranian men experience 1 to 2 episodes of NPT with rigidity surpassing 70% overnight, with an average duration of 16 to 22 minutes per episode. Additionally, the study suggests that relying on a single-night NPT test may be inadequate for an accurate assessment. | en |
| DOI | https://doi.org/10.5812/numonthly-146347 | en |
| Keyword | Diagnosis | en |
| Keyword | Erectile Dysfunction | en |
| Keyword | Impotence | en |
| Keyword | Nocturnal Penile Tumescence | en |
| Publisher | Brieflands | en |
| Title | Normal Variations in Episodes and Duration of Nocturnal Penile Tumescence Among Iranian Men: A Descriptive Analytical Study | en |
| Type | Research Article | en |
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