Abstract
The study is unique in terms of defining the safety of totally tubeless percutaneous nephrolithotomy (PNL). Furthermore, the authors state that the tubeless group has an advantage of less pain. However, we interpreted the results of pain-related comparisons different than that the authors had. In our opinion, the results gained show that there is no difference in terms of pain in both groups. The authors state that they have inserted a double J catheter to patients that were included in the tubeless group in addition to the nephrostomy as a conventional procedure. However, routine Double-J placement in addition to nephrostomy is not a common procedure. Additionally, the large-bore nephrostomy tube preferred is certain to cause pain, as stated in the previous studies. It has been shown that small-bore tubes cause less pain. It may have been more appropriate to compare the groups in such a manner. Even though we have stated our comments with respect to pain issues, it is evident that the study is unique in terms of defining the safety of a totally tubeless procedure.
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