title: [Clinical efficacy of daily low-dose tadalafil on erectile dysfunction-no sexual life].
abstract: OBJECTIVE
  Erectile dysfunction-no sexual life (ED-NS) is defined as the inability to have enough penile erection hardness and duration so as to have enough confidence in attempting sexual intercourse for more than six months. This study was to investigate the effect of daily low-dose tadalafil on ED-NS.
  
  
  METHODS
  We treated 35 ED-NS patients aged 17-35 (25.9 +/- 3.9) years with oral tadalafil at 5 mg qd for 3 months and followed them up for another 3 months after drug withdrawal. We obtained the scores of the patients on Self-estimation Index of Erectile Function-No Sexual Life (SIEF-NS) and compared them before and after medication and at 3 months after drug withdrawal.
  
  
  RESULTS
  The patients' SIEF-NS scores were 43.2 +/- 7.1 after medication and 42.1 +/- 7.4 at 3 months after drug withdrawal, both significantly higher than 21.2 +/- 5.9 before treatment (P < 0.05), though there was no significant difference between the former two scores (P > 0.05).
  
  
  CONCLUSIONS
  Daily medication of low-dose tadalafil can significantly improve the erectile function of the patients with ED-NS.
authors.affiliation: Department of Urology, The First Hospital of China Medical University, Shenyang, Liaoning 110001, China. yuxizhang1975@hotmail.com
authors.forename: Yu-Xi
authors.initials: YX
authors.lastname: Zhang
authors.forename: Jian-Bin
authors.initials: JB
authors.lastname: Bi
authors.forename: Da-Xin
authors.initials: DX
authors.lastname: Gong
authors.forename: Chui-Ze
authors.initials: CZ
authors.lastname: Kong
mesh_terms: D000293:Adolescent; D000328:Adult; D002243:Carbolines / Q000008:administration & dosage* / Q000627:therapeutic use; D007172:Erectile Dysfunction / Q000188:drug therapy* / Q000523:psychology*; D006801:Humans; D008297:Male; D012725:Sexual Behavior; D000068581:Tadalafil; D016896:Treatment Outcome; D055815:Young Adult
chemical_list: D002243:Carbolines; D000068581:Tadalafil