World Journal of Nephrology and Urology, ISSN 1927-1239 print, 1927-1247 online, Open Access
Article copyright, the authors; Journal compilation copyright, World J Nephrol Urol and Elmer Press Inc
Journal website https://www.wjnu.org

Original Article

Volume 9, Number 2, December 2020, pages 35-39

Outcome of Percutaneous Nephrolithotomy in a Tertiary Care Center in North Karnataka

Figure

Figure 1.
Figure 1. The workflow diagram of the study. PCNL: percutaneous nephrolithotomy; CT: computed tomography; KUB: kidney, ureter, and bladder; AKI: acute kidney injury; ESWL: extracorporeal shock wave lithotripsy.

Tables

Table 1. Patient Demographics and Stone Characteristics (N = 320)
 
CharacteristicsResults
SD: standard deviation; BMI: body mass index.
Age, years, mean ± SD (range)36.4 ± 11.8 (18 - 74)
Sex, n (%)
  Male246 (76.87)
  Female74 (23.13)
Hemoglobin (g/dL), mean ± SD12.5 ± 1.2
BMI (kg/m2), mean ± SD28.5 ± 5.2
Stone location, n (%)
  Right kidney172 (53.75)
  Left kidney148 (46.25)
Stone size (mean ± SD)2.8 ± 1.2
Stone type, n (%)
  Complete staghorn stone26 (8.13)
  Partial staghorn stone14 (4.37)
  Multiple non-staghorn stones80 (25)
  Single stone200 (62.5)
Hounsfield unit1,205.4 ± 204.6

 

Table 2. Number and Distribution of Access Puncture
 
Access punctureResults
Single puncture, n (%)288 (90)
  Lower calyx188 (58.75)
  Middle calyx70 (21.88)
  Upper calyx30 (9.37)
Multiple punctures, n (%)32 (10)
  Two punctures, n (%)29 (9.06)
    Lower and middle calyx15 (4.68)
    Lower and upper calyx7 (2.19)
    Upper and middle calyx7 (2.19)
  Three punctures, n (%)3 (0.94)

 

Table 3. Stone Clearance After PCNL
 
Stone typeNumber of casesComplete clearance (%)Number of cases with residual fragments
< 5 mm> 5 mm
PCNL: percutaneous nephrolithotomy.
Complete staghorn stone2618 (70%)26
Partial staghorn stone1412 (85.71%)02
Multiple non-staghorn stones8073 (93%)34
Single stone200192 (96%)71
Total320295 (92.18%)12 (3.75%)13 (4.06%)