Background. At present, the percutaneous nephrolithotripsy (PCNL) is performed both in supine and in prone position. The aim\nof this paper is to describe an innovative position during PCNL. Methods. We describe a supine position. The patientââ?¬â?¢s legs are\nslightly abducted at the hips. The thorax is laterally tilted (inclination 30Ã?°ââ?¬â??35Ã?°) and kept in the right position by one or two gel pads\nplaced between the scapula and the vertebrae. External genitalia can be accessed at any time, so that it is always possible to use\nflexible instruments in the upper urinary tract. We used this position for a period of 12 months to treat with PCNL 45 patients with\nrenal lithiasis. Results. All the procedures were successfully completed without complications, using the position we are describing.\nThe following are some of its benefits: an easier positioning of the patient; a better exposure of the flank for an easier access to the\nposterior renal calyces of the kidney; a lower risk of pressure injuries compared to positions foreseeing the use of knee crutches; the\npossibility of combined procedures (ECIRS) through the use of flexible instruments; and a good fluoroscopic visualization of\nthe kidney not overlapped by the vertebrae. Conclusions. This position is effective, safe, easy, and quick to prepare and allows for\ncombined anterograde/retrograde operations.
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