Treatment of 22 Cases of Renal Colic with Double-J Stent during Pregnancy

Objective:To evaluate the therapeutic safety and efficacy of double-J stent in renal colic combined with pregnancy.Methods:Clinical data of 22 patients of renal colic during pregnancy who were treated with double-J stent in Shengjing hospital from June 2000 to November 2010 were collected and retrospectively analyzed.Results:All the patients received the double-J stent insertion and the subsequent anti-infection treatment.After 1～5 days of all the treatment, the symptoms of pain, fever, nausea and vomiting in all patients were obviously relieved.Three days after the treatment, the percentage of microscopic hematuria, pyuria, elevated white blood cell, elevated serum creatinine and urinary nitrogen was decreased, compared to the preoperative level.One month after the treatment, the hydronephrosis of 16 patients were vanished and the hydronephrosis in another 6 patients were alleviated.All patients had no pregnancy complications, while only one patient had symptoms of renal colic and fever near three months after the treatment of double-J stent.The retention time of double-J stent in all patients varied from 1 to 7 months, the average retention time was 3.4 months.Among the 22 patients,21 patients successfuly delivery, only one patient took induced abortion as the left tuberculous exative pleurisy.Conclusions: For pregnant women with renal colic, if conservative management fails, the double-J stent treatment is a less invasive and efficient method to relieve the pain and control the hydronephrosis.