Manikandan, R., Srirangam, S. J., Pearson, E., & Collins, G. N. (2004). Early and late morbidity after vasectomy. BJU International, 93(4), 571–574. doi:10.1111/j.1464-410X.2004.04663.x
Note: VAS is short for visual analog score – it’s a measurement of pain.
In all, 182 and 220 replies were received from patients in group A and B, respectively. Early complications included haematoma in five (2%) and two (0.9%) patients, respectively, and wound infection in 24 (13%) and 17 (7.7%).
Eight patients who had scrotal pain even before vasectomy were excluded from the analysis (two in group A and six in group B).
In group A, 25 of 180 (13.8%) had a new onset of scrotal pain of some nature, with eight (4.3%) having a VAS of >5; one patient had an epididymectomy for this.
Three of the 25 regretted having a vasectomy because of pain.
In group B, 36 of 214 (16.8%) reported persistent scrotal pain, with 13 (5.9%) having a VAS of >5.
Six of the 36 regretted having a vasectomy because of the pain.
The incidence of scrotal pain was not significantly different between the groups (P = 0.48, Fisher’s exact test).