Vesico-ureteral reflux in the dog

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Abstract
Extract Recent interest in the subject of vesicoureteral reflux (regurgitation of the vesical contents into the ureters) in man has lead to many experimental investigations of this phenomenon in dogs (Ross and Thompson, 1963 Ross, G. and Thompson, I. M. 1963. The relationship of non-obstructive reflux and chronic pyelonephritis: An experimental study. J. Urol., 90: 391–394. [Google Scholar] ; Schoenberg et al, 1963 Schoenberg, H. W. , Beisswanger, P. , Howard, W. , Walter, C. F. and Murphy, J. J. 1963. Effect of lower urinary tract infection upon ureteral function. Amer. Coll. Surgeons Surgical Forum, 14: 483–484. [Google Scholar] ; Levers and Metcalfe, 1964 Levers, P. E. and Metcalfe, J. O. 1964. Urethral resistance measurement: Vesicoureteral reflux and age. J. Urol., 91: 368–375. [Google Scholar] ; Schoenberg et al, 1964 Schoenberg, H. W. , Beisswanger, P. , Howard, W. , Walter, C. F. and Murphy, J. J. 1964. Effect of lower urinary tract infection on ureteral function. J. Urol., 92: 107–108. [Google Scholar] ; Scott, 1964(a) Scott, J. E. S. 1964a. An experimental investigation into the effects of prolonged vesico-ureteric reflux. Brit. J. Urol., 36: 391–398. [Google Scholar] ; Scott, 1964(b) Scott, J. E. S. 1964b. An experimental study of urinary infection and vesico-ureteric reflux. Brit. J. Urol., 36: 501–509. [Google Scholar] ; Cass and Lenaghan, 1965 Cass, A. S. and Lenaghan, D. 1965. The influence of posture on the occurrence of vesico-ureteral reflux. Invest. Urol., 2: 523–529. [Google Scholar] ; Mori and Hara, 1965 Mori, Y. and Hara, T. 1965. Vesicoureteral reflux. Part I. Experimental observation on the mechanism of the prevention of vesicoureteral reflux. Mio. Med. Med. J., 14: 245–249. [Google Scholar] ; Sommer and Roberts, 1966 Sommer, J. L. and Roberts, J. A. 1966. Ureteral reflux resulting from chronic urinary infection in dogs: Long term studies. J. Urol., 95: 502–510. [Google Scholar] ; King and Idriss, 1967 King, L. R. and Idriss, F. S. 1967. The effect of vesicoureteral reflux on renal function in dogs. Invest. Urol., 4: 419–427. [Google Scholar] ). Little, however, has been written on the naturally-occurring condition seen in canine clinical practice. In fact, apart from isolated reports from experimental workers (Barksdale and Baker, 1930 Barksdale, E. S. and Baker, W. W. 1930. The effect of denervation of the lower ureter upon the incidence of ureteral reflux in the dog. J. Urol., 24: 263–268. [Google Scholar] ; Scott and de Luca, 1960 Scott, J. E. S. and de Luca, F. G. 1960. Further studies on the uretero-vesical junction of the dog. Brit. J. Urol., 32: 320–323. [Google Scholar] ) it has rarely been seriously considered as a complication of urinary disorders by practising veterinarians.