Archivos espanoles de urologia · 2020
Nephrostomy tubes placed emergently prior to percutaneous renal stone surgery are practical for obtaining access.
СтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Bradshaw Aaron W, Bechis Seth K, Cobb Kaitlan D, Friedlander David F, DiPina Thomas, Sur Roger L
Аннотация
OBJECTIVES: Renal access in percutaneous nephrolithotomy (PCNL) may be obtained via a pre-existing nephrostomy tube (NT) tract; however, emergent NTs are not always ideal for subsequent surgery. We sought to determine the rate of NT tract usability and assess factors related to the usability of emergently placed NTs.
METHODS: A retrospective review was performed of UC San Diego subjects undergoing percutaneous renal surgery between January 2016 and October 2018. Demographics and peri-operative variables were collected. The primary outcome was the usability of NT tract for dilation and instrumentation. "Usable" indicated a tract in which PCNL could be completed; "unusable" indicated lack of dilation and the requirement of additional tract(s) for PCNL.
RESULTS: 35 PCNL cases had previous emergently placed NT which were indwelling at time of percutaneous surgery. 51% of these NT tracts (18/35) were deemed usable and dilated for PCNL. No significant difference was seen between usable and unusable NT groups for number of dilated tracts during PCNL (p=0.13), or either the location of indwelling NT (p=0.96) or renal stones (p=0.95). In the usable NT tract cohort PCNL access was via the lower pole 56% of the time, where as when previous NT tracts were deemed unusable, a separate upper-pole access was obtained intra-operatively 53% of the time (p<0.01).
CONCLUSIONS: Pre-existing, emergent NTs served a ssufficient PCNL access tracts in over half of recorded cases. Contrary to recently published reports, the utility of pre-existing NTs appears to vary among health systems. Other variables, including the desired location of PCNL appear to directly influence the like lihood of NT tract usability.
METHODS: A retrospective review was performed of UC San Diego subjects undergoing percutaneous renal surgery between January 2016 and October 2018. Demographics and peri-operative variables were collected. The primary outcome was the usability of NT tract for dilation and instrumentation. "Usable" indicated a tract in which PCNL could be completed; "unusable" indicated lack of dilation and the requirement of additional tract(s) for PCNL.
RESULTS: 35 PCNL cases had previous emergently placed NT which were indwelling at time of percutaneous surgery. 51% of these NT tracts (18/35) were deemed usable and dilated for PCNL. No significant difference was seen between usable and unusable NT groups for number of dilated tracts during PCNL (p=0.13), or either the location of indwelling NT (p=0.96) or renal stones (p=0.95). In the usable NT tract cohort PCNL access was via the lower pole 56% of the time, where as when previous NT tracts were deemed unusable, a separate upper-pole access was obtained intra-operatively 53% of the time (p<0.01).
CONCLUSIONS: Pre-existing, emergent NTs served a ssufficient PCNL access tracts in over half of recorded cases. Contrary to recently published reports, the utility of pre-existing NTs appears to vary among health systems. Other variables, including the desired location of PCNL appear to directly influence the like lihood of NT tract usability.