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  • Title: Effects of glans penis augmentation using hyaluronic acid gel for premature ejaculation.
    Author: Kim JJ, Kwak TI, Jeon BG, Cheon J, Moon DG.
    Journal: Int J Impot Res; 2004 Dec; 16(6):547-51. PubMed ID: 15057258.
    Abstract:
    The main limitation of medical treatment for premature ejaculation is recurrence after withdrawal of medication. We evaluated the effect of glans penis augmentation using injectable hyaluronic acid (HA) gel for the treatment of premature ejaculation via blocking accessibility of tactile stimuli to nerve receptors. In 139 patients of premature ejaculation, dorsal neurectomy (Group I, n=25), dorsal neurectomy with glandular augmentation (Group II, n=49) and glandular augmentation (Group III, n=65) were carried out, respectively. Two branches of dorsal nerve preserving that of midline were cut at 2 cm proximal to coronal sulcus. For glandular augmentation, 2 cc of HA was injected into the glans penis, subcutaneously. At 6 months after each procedure, changes of glandular circumference were measured by tapeline in Groups II and III. In each groups, ejaculation time, patient's satisfaction and partner's satisfaction were also assessed. There was no significant difference in preoperative ejaculation time among three groups. Preoperative ejaculation times were 89.2+/-40.29, 101.54+/-59.42 and 96.5+/-52.32 s in Groups I, II and III, respectively. Postoperative ejaculation times were significantly increased to 235.6+/-58.6, 324.24+/-107.58 and 281.9+/-93.2 s in Groups I, II and III, respectively (P<0.01). The percentage of postoperative satisfaction in both patient and his partner was 68% (17/25) and 44% (7/16) in Group I, 80% (39/49) and 66% (25/38) in Group II and 75% (49/65) and 62% (32/52) in Group III, respectively. Maximal glandular girth was significantly increased from 9.16+/-0.59 to 10.95+/-0.4 cm in Group II and 8.95+/-0.54 to 11.67+/-0.71 cm in Group III, respectively. These results suggest that glandular augmentation with injectable HA gel is a safe and effective modality to reduce sensory of glans penis. Long-term follow-up for residual volume and efficacy should be requested to establish its precise therapeutic potentials in premature ejaculation.
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