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 http://www.wjnu.org

Original Article

Volume 7, Number 3-4, November 2018, pages 67-72


Role of Semi-Rigid Ureteroscopy and Pneumatic Lithotripsy in the Treatment of Ureteral Stones in Pregnant Women

Tables

Table 1. Patients Demographic Data of 55 Pregnant Women
 
ValuesResults
Mean age26.9 (18 - 39 years)
Mean follow-up42.3 (6 - 84 months)
Mean of gestational age (weeks)21.5 (11 - 32 weeks)
  First trimester (number of patients)2
  Second trimester (number of patients)44
  Third trimester (number of patients)9
Symptoms
  Renal colic36
  Fever11
  Hematuria17
  Irritative symptoms19
Hydronephrosis50
Time of renal colic duration53.7 ± 3.9 (12 - 92) h
Mean serum magnesium1.9 ± 0.7 (0.7 - 2.6 mg/dL)
Mean serum calcium9.9 ± 0.2 (6.5 - 7.8 mg/dL)
Mean serum glucose84.8 ± 3.2 (70 - 160 mg/dL)

 

Table 2. Details of Procedure and Outcome of 55 Pregnant Women
 
ValuesOutcome
Stone location
  Lower ureter49 (89%)
  Middle ureter6 (11%)
Stone laterality (side of complaint)
  Left20 (36%)
  Right35 (64%)
History of urolithiasis7 (13%)
Stone diagnosed by ultrasound41 (75%)
Mean of stone size on ultrasound9.6 (7 - 13 mm)
Stone diagnosed by ureteroscopy14 (25%)
Types of anesthesia
  Spinal51 (93%)
  General4 (7%)
Type of lithotripter (pneumatic lithotripsy)55 (100%)
Duration of the operation (min)32.8 (25 - 42 min)
Time elapsed until operation66.1 ± 2.9 (33 - 96 h)
Duration of lithotripsy (min)16.2 (13 - 25 min)
Balloon dilatation of ureteral orifice5 (9%)
Double J stent insertion55 (100%)
Stone free rate (%)50 (91%)
Postoperative complications
  Preterm uterine contraction7 (13%)
  Fever6 (11%)
  Colic3 (5%)
  Hematuria6 (11%)
  Irritative symptoms12 (22%)
Safely completed pregnancy55 (100%)
Hospital period97.2 ± 6.5 (24 - 168 months)

 

Table 3. Univariate Analysis of Prognostic Markers
 
VariableOutcome parameter
χ2P*
*Logrank.
Renal colic2.20.15
Fever7.90.005
Combination preoperative colic and fever10.80.001
Duration of lithotripsy time > 15 min2.10.15
Serum magnesium9.50.002
Serum glucose6.10.01