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Normal voiding function requires coordinated contraction of bladder and urethral sphincter muscles dependent upon intact lumbosacral reflex arcs and integration of descending and ascending spinal pathways. We previously reported, in electrophysiological recordings, that segmental reflex circuit neurons in anesthetized male rats were modulated by a bilateral spino-bulbo-spinal pathway in the mid-thoracic lateral funiculus. In the present study, behavioral measures of bladder voiding reflexes and hematuria (hemorrhagic cystitis) were obtained to assess the correlation of plasticity-dependent recovery to the degree of lateral funiculus sparing and mid-thoracic lesion level. Adult rats received mid-thoracic-level lesions at one of the following severities: complete spinal transection; bilateral dorsal column lesion; unilateral hemisection; bilateral dorsal hemisection; a bilateral lesion of the lateral funiculi and dorsal columns; or a severe contusion. Voiding function and hematuria were evaluated by determining whether the bladder was areflexic (requiring manual expression, i.e., \u201ccrede maneuver\u201d), reflexive (voiding initiated by perineal stroking), or \u201cautomatic\u201d (spontaneous voiding without caretaker assistance). Rats with one or both lateral funiculi spared (i.e., bilateral dorsal column lesion or unilateral hemisection) recovered significantly faster than animals with bilateral lateral funiculus lesions, severe contusion, or complete transection. Bladder reflex recovery time was significantly slower the closer a transection lesion was to T10, suggesting that proximity to the segmental sensory and sympathetic innervation of the upper urinary tract (kidney, ureter) should be avoided in the choice of lesion level for SCI studies of micturition pathways. In addition, hematuria duration was significantly longer in males, compared to females, despite similar bladder reflex onset times. We conclude that the sparing of the mid-thoracic lateral funiculus on one side is required for early recovery of bladder reflex voiding function and resolution of hematuria.<\/jats:p>","DOI":"10.1089\/neu.2013.3247","type":"journal-article","created":{"date-parts":[[2014,8,19]],"date-time":"2014-08-19T15:18:10Z","timestamp":1408461490000},"page":"200-208","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":19,"title":["Effects of Lateral Funiculus Sparing, Spinal Lesion Level, and Gender on Recovery of Bladder Voiding Reflexes and Hematuria in Rats"],"prefix":"10.1177","volume":"32","author":[{"given":"Sunny L.","family":"Ferrero","sequence":"first","affiliation":[{"name":"University of Florida College of Veterinary Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tiffany D.","family":"Brady","sequence":"additional","affiliation":[{"name":"University of Florida College of Veterinary Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Victoria P.","family":"Dugan","sequence":"additional","affiliation":[{"name":"University of Florida College of Veterinary Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James E.","family":"Armstrong","sequence":"additional","affiliation":[{"name":"University of Louisville School of Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Charles H.","family":"Hubscher","sequence":"additional","affiliation":[{"name":"University of Louisville School of Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard D.","family":"Johnson","sequence":"additional","affiliation":[{"name":"University of Florida College of Veterinary Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2015,2]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1089\/neu.2004.21.1371"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1038\/sj.sc.3101977"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1038\/nrn2401"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1002\/cne.902500404"},{"key":"e_1_3_3_6_2","doi-asserted-by":"crossref","first-page":"2172","DOI":"10.1016\/S0022-5347(01)63300-7","article-title":"Evidence for involvement of the subcoeruleus nucleus and nucleus raphe magnus in urine storage and penile erection in decerebrate rats","volume":"159","author":"Sugaya K.","year":"1998","unstructured":"Sugaya K., , Ogawa Y., , Hatano T., , Koyama Y., , Miyazato T., , and Oda M. 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