The following comes to us from Felicia Mohr, DPT, a guest contributor to the Pelvic Rehab Report.
Vaginal mesh kits were used frequently early in the millennium as they led to high initial anatomic success rates with peak use between 2008 and 2010. Objectively they seemed to help elevate women’s pelvic organs to appropriate anatomical locations. Unfortunately there has been a high rate (10% according to a review of current literature on PubMedBarski 2015) of mesh erosion causing recurrent prolapse and/or stress urinary incontinence. Also there are cases when the mesh product perforates surrounding organs causing numerous dangerous complications. The rate of mesh-related complications according to current research is 15-25%. As a result, the FDA has reclassified the risk of synthetic mesh into a higher risk category so that the public has an increased awareness of the risk involved in these types of surgeries.
A systematic review and meta-analysis, published in 2015, reviewed the risk factors for mesh erosion following female pelvic floor reconstructive surgery (Deng, et al). They concluded the following factors increase risk of mesh erosion: younger age, more childbirths, premenopausal states, diabetes, smoking, concomitant hysterectomy, and surgery performed by a junior surgeon. Moreover, concomitant POP surgery and preservation of the uterus may be the potential protective factors for mesh erosion.
It is a common practice to perform a hysterectomy with a POP surgery. Reason being that the oversized uterus from childbearing adds extra weight on pelvic organs. However, the latter study as well as two other recent studies published in 2015 (Huang, Farthmann) also provide evidence that there is no benefit to a concomitant hysterectomy at the 2.5 year follow up and can lead to less satisfaction with surgery according to patient surveys respectively.
Keep in mind that all pelvic floor surgeries do not use the same amount of mesh material and different procedures have different risks associated with them. One retrospective study (Cohen, 2015) addressing incidence of mesh extrusion categorized 576 subjects into three categories: pubo-vaginal sling (PVS) (a small string of mesh around the urethra specifically addressing stress urinary incontinence only); PVS and anterior repair (also referred to as cystocele or bladder prolapse); and PVS with anterior and/or posterior repairs (also referred to as rectocele or rectal prolapse). Mesh extrusion for these types of procedures occurred at the follow rates: approximately 6% for PVS subjects, 15% for PVS + anterior repair, and 11% for PVS + anterior and/or posterior repair. This study did not account for any other types of mesh-related complications.
Pelvic organ prolapse and stress urinary incontinence make up some of the most common conditions for which patients seek Pelvic Floor physical therapy and perhaps this will allow us to better speak to current research on surgical options.
1. Barski D, Deng EY. Management of Mesh Complications after stress urinary incontinence and pelvic organ prolaps repair: review and analysis of the current literature. Biomed Research International; 2015Article ID 831285.
2. Deng T. et al. Risk factor for mesh erosion after female pelvic floor reconstructive surgery: a systematic review and meta-analysis. BJU International. Doi:10.1111/bju.13158.
3. Huang LY, et al. Medium-term comparison of uterus preservation versus hysterectomy in pelvic organ prolapse treatment with prolift mesh. International Urogynecology Journal. 2015;26(7):1013-20.
4. Farthmann J, et al. Functional outcome after pelvic floor reconstructive surgery with or without concomitant hysterectomy. Archives of Gynec and Obstet. 2015; 291(3):573-7.
5. Cohen S, Kaveler E. The incidence of mesh extrusion after vaginal incontinence and pelvic floor prolapse surgery. J of Hospital Admin. 2014; 3(4): www.sciedu.ca/jha.
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