BLADDER-INFRASACRAL (LMN) IMPAIRMENT, CAUSES

SUMMARY

Presents as detrusor areflexia & atonia of the pelvic floor muscles; causing non-contractile bladder with leakage from overflow. Lesion involving the sacral micturition center (S2-S4) or peripheral innervation of the bladder.

CAUSES
1. Spinal shock: reflex arc not functioning due to initial trauma.
2. Conus medullaris syndrome & cauda equina syndrome due to tumor, infection, trauma, stroke.
3. Syringomyelia.
4. Tethered cord syndrome.

Reference(s)

Cifu, D.X. (2020). Braddom’s physical medicine and rehabilitation. Elsevier. Get it on Amazon.
Cuccurullo, S. (2019). Physical medicine and rehabilitation board review. New York: Demosmedical. Get it on Amazon.
O’Young, B., Young, M.A. and Stiens, S.A. (2008). Physical Medicine and Rehabilitation Secrets. Mosby. Get it on Amazon.