• Mashfiqul A Siddiqui, Benedict Peng, Nidumaran Shanmugam, William Yeo, S Fook-Chong, John Chen Li Tat, Chang Ming Guo, Seang Beng Tan, and Wai Mun Yue.
• Department of Orthopaedic Surgery, Singapore General Hospital, Singapore.
• Spine. 2012 Apr 20;37(9):797-801.

Study DesignThis is a prospective study.ObjectiveThe prevalence of erectile dysfunction (ED) in patients younger than 50 years with fracture-unrelated lumbar spine disease requiring surgical decompression without other risk factors for ED is evaluated.Summary Of Background DataThere is little literature documenting ED in young patients with atraumatic lumbar spine disease.MethodsAll male patients younger than 50 years who underwent lumbar spine surgery during June 2006 to November 2007 without risk factors for ED were included. Patient demographics, neurological dysfunction, visual analogue scale (VAS) for back and leg pain, Oswestry Disability Index (ODI), North American Spine Society score for neurogenic symptoms (NS), and the International Index of Erectile function (IIEF-5) scores were recorded preoperatively, at 1, 3, and 6 months.ResultsThere were 61 patients with mean age 38.4 years (SD = 7.0; range, 20-49). Most of patients had (43 or 70.5%) prolapsed intervertebral disc with discectomy being the commonest operation. Mean VAS scores, ODI, and NS improved significantly postoperatively. However, the mean IIEF-5 scores did not. Preoperatively, there was no correlation between ED and VAS scores on back pain (P = 0.70), leg pain (P = 0.91), ODI (P = 0.93), or NS (P = 0.51). At 6 months, patients with NS > 70 had an increased risk of ED (P = 0.03). Eighty percent of patients with NS > 70 had ED compared with 30% of patients with NS ≤ 70. There was, however, no correlation between ED with ODI (P = 0.38) and VAS scores on back pain (P = 0.20) or leg pain (P = 0.08) at 6 months.ConclusionThe incidence of ED in patients younger than 50 years with nonfracture-related lumbar spine disease undergoing surgery without risk factors was 34.3%. Despite improvement in VAS, ODI, and NS scores postoperatively, ED did not improve. Patients with NS > 70 postoperatively were more likely to have ED reflecting possible permanent nerve damage from lumbar spine pathology.

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