Inadvertent placement of a urinary catheter into the ureter:A report of 3 cases and review of the literature

doi:10.1016/j.ajur.2016.08.011

Asian Journal of Urology, 2017, 4 (4): 256-261 doi: 10.1016/j.ajur.2016.08.011

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Inadvertent placement of a urinary catheter into the ureter:A report of 3 cases and review of the literature

Rui Luo, Song Liang Lee, Foo Cheong Ng, Li-Tsa Koh

Department of Urology, Changi General Hospital, Singapore

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Abstract We describe three cases of inadvertent placement of the urinary catheter into the ureter. An 85-year-old gentleman on long-term indwelling catheter (IDC) for neurogenic bladder presented with fever and right flank pain. CT of abdomen and pelvis demonstrated the tip of the IDC to be located within the right vesicoureteric junction with acute right hydronephrosis and acute pyelonephritis. A 74-year-old woman, on long-term IDC for neurogenic bladder was found to have hydronephrosis on ultrasound imaging. Contrast-enhanced CT intravenous pyelography done subsequently showed the IDC was in the right distal ureter. A 47-year-old lady, on IDC for urinary retention and voiding dysfunction likely secondary to schizophrenia and anti-psychotic medications, presented with raised creatinine. A non-enhanced CT of her abdomen and pelvis was done and showed that the tip of the urethral IDC was located up to the left vesicoureteric junction. In all patients, the hydronephrosis resolved after changing the catheter and they were well on discharge. We also review the literature to identify the incidence, outcomes and possible risk factors. To our knowledge, only 20 cases have been reported thus far in the English literature. Although serious complications can occur, the incidence is very low. One risk factor that has been identified is long-term catheterization in patients with neurogenic bladder. We do not recommend routine imaging after catheterization in this group of patients. However, we should still be mindful of the possibility of this occurrence and evaluate and treat as necessary when clinical suspicion arises.

Key words： Indwelling catheter Ureter Complication

Received: 14 February 2016 Published: 26 October 2017

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Rui Luo,Song Liang Lee,Foo Cheong Ng, et al. Inadvertent placement of a urinary catheter into the ureter:A report of 3 cases and review of the literature[J]. Asian Journal of Urology, 2017, 4(4): 256-261.

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http://www.ajurology.com/EN/10.1016/j.ajur.2016.08.011 OR http://www.ajurology.com/EN/Y2017/V4/I4/256