Percutaneous Nephrolithotomy in Supine versus Prone Position in Tertiary Hospital in Mysore: A Prospective Cohort Study
Introduction: Percutaneous Nephrolithotomy (PCNL) is a procedure of choice for large renal calculi. It is a common urological procedure. PCNL can be performed in various positions. Aim: To determine the surgical outcomes in patients undergoing PCNL in supine and prone positions. Materials and M...
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Formato: | article |
Lenguaje: | EN |
Publicado: |
JCDR Research and Publications Private Limited
2021
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Acceso en línea: | https://doaj.org/article/f73c7ac1f46f4a13b02c4d074570cc2c |
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Sumario: | Introduction: Percutaneous Nephrolithotomy (PCNL) is a procedure
of choice for large renal calculi. It is a common urological procedure.
PCNL can be performed in various positions.
Aim: To determine the surgical outcomes in patients undergoing
PCNL in supine and prone positions.
Materials and Methods: A cohort study was conducted on
patients with renal and upper ureteral stones who underwent
PCNL in either prone or supine position between August 2019
to August 2020 at Urology Department, JSS Hospital, Mysuru.
Supine PCNL was done in the flank Free Oblique Supine
Modified Lithotomy (FOSML) position. All the procedures were
performed under fluoroscopy guidance. Surgical outcomes
including operative time, length of hospital stay, Stone Free Rate
(SFR), radiation dose, and postoperative complications were
evaluated. The collected data was tabulated and frequency (n)
and percentage (%) analysis was performed. The Chi-square test
was used to find the level of significance.
Results: A total of 70 patients were included in the study and
out of which 35 patients were in the supine (46.37±14.73 years,
28 males and 7 females) and 35 patients (47.54±12.45 years,
23 males and 12 females) were in the prone PCNL groups.
Statistically significant difference was observed in the mean
operating time in the supine and prone PCNL groups (81.43 vs
127.71 minutes; p-value=0.001), with a higher stone-free rate
(94.29% vs 91.43%; p-value=0.643) observed in the supine
PCNL group. One patient in supine group had postoperative
sepsis and one patient in prone group had bleeding requiring
transfusion. The Visual Analog Scale (VAS) score in supine
PCNL was (5.08±0.32) less than in prone group (8.03±0.40)
(p-value <0.001).
Conclusion: PCNL in the supine position compared with the prone
position demonstrates significantly lower operative time with similar
SFR and lower VAS score. |
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