Reply by the Authors

Sarica, K. | Yencilek, F. | Eryildirim, B. | Kuyumcuoglu, U.

Letter | 2009 | Urology74 ( 6 ) , pp.1378 - 1379

[No abstract available]

Role of Overweight Status on Stone-forming Risk Factors in Children: A Prospective Study

Sarica, K. | Eryildirim, B. | Yencilek, F. | Kuyumcuoglu, U.

Article | 2009 | Urology73 ( 5 ) , pp.1003 - 1007

Objectives: To evaluate the possible role of being overweight on stone-forming risk factors in children. Methods: A total of 94 children (43 boys and 51 girls, male/female ratio 1:1.8) who were taking no medication or dietary modifications before treatment were included in the study. After a detailed stone disease history, the systolic and diastolic blood pressures were precisely measured and recorded for all patients. The body mass index, 24-hour urine values, and serum stone-forming risk parameters were evaluated in 44 overweight (17 boys and 27 girls; group 1) and 50 normal (26 boys and 24 girls; group 2) children. The results of . . . each group were compared using the Wilcoxon rank sum test. Results: The evaluation of the stone-forming risk factors in both groups revealed that the overweight status might be responsible for the increased excretion of these substances in such children. Most of the children in group 1 demonstrated hypocitraturia and hyperoxaluria (9/44, 20.5%) compared with the patients in group 2. Although the mean urinary oxalate level was 0.74 ± 0.81 mg/kg/24 h for boys and 0.69 ± 0.72 mg/kg/24 h for girls in group 1, relatively lower values were noted in group 2 (0.42 ± 0.52 and 0.45 ± 0.57 mg/kg/24 h for the boys and girls, respectively). Similarly, the children in group 1 had elevated mean urinary calcium and lower citrate excretion compared with the group 2 patients. Conclusions: Overweight status in children might be associated with an elevated risk of stone formation in both sexes owing to the alterations in urine composition. Obese children could be more prone to stone formation, and they should be evaluated and followed up for this aspect. Crown Copyright © 2009 Daha fazlası Daha az

Emergent stenting after uncomplicated ureteroscopy: Evaluation of 23 patients

Tanriverdi, O. | Yencilek, F. | Koyuncu, H. | Yencilek, E. | Sarica, K.

Article | 2011 | Urology77 ( 2 ) , pp.305 - 308

Objectives To evaluate the causes of emergent stent placement during the postoperative early period after uncomplicated ureteroscopy in 23 patients. Methods Of 276 uncomplicated ureteroscopy procedures performed for the management of ureteral calculi, double-J stent placement was necessary on an emergent basis in 23 patients because of intolerable colic pain and extreme patient discomfort. All stents were inserted within 24 hours after the procedure. Results Of the 23 patients requiring emergent stent placement, 14 were men and 9 were women. The stones had been located in the lower ureter in 11, mid-ureter in 6, and upper ureter in . . .6 patients. All patients had undergone an uncomplicated procedure with no complication evident either during or immediately after ureteroscopic stone management. The intraoperative findings for the 23 patients revealed extensive edema formation, unrecognized small stones embedded in the edematous ureteral wall, unpassed small fragments gathered at the orifice, obstructing blood clots, and kinking of the ureter. A retrospective evaluation of the operative CD recordings and radiographic findings clearly showed that a longer operative time, repeated access, management of a large stone, impacted calculi with ureteral wall edema, a mildly narrowed ureteral segment, ignored caliceal small calculi, and a recent history of urinary tract infection contributed to the need for postoperative intervention. Conclusions Ureteral catheterization, at least in the form of overnight stent placement, might prevent the formation of transient ureteral obstruction, with resultant postoperative patient discomfort and colic pain evident in selected cases. © 2011 Elsevier Inc Daha fazlası Daha az

Role of Papaverine Hydrochloride Administration in Patients With Intractable Renal Colic: Randomized Prospective Trial

Yencilek, F. | Aktas, C. | Goktas, C. | Yilmaz, C. | Yilmaz, U. | Sarica, K.

Article | 2008 | Urology72 ( 5 ) , pp.987 - 990

Objectives: To evaluate the therapeutic effect of papaverine hydrochloride in the treatment of patients with renal colic pain unresponsive to conventional treatment. Methods: From March 2007 to January 2008, a total of 561 patients with severe renal colic pain due to a ureteral stone were treated with conventional agents (hyoscine-N-butylbromide and diclofenac sodium) in the emergency and urology departments. Of these 561 patients, 110, with no response to the treatment and persistent severe pain, were randomized into 3 groups for additional treatment. The patients in group 1 (n = 37) received intravenous hyoscine-N-butylbromide, th . . .ose in group 2 (n = 37) received papaverine hydrochloride, and those in group 3 (n = 36) received pethidine. Before and after treatment, all patients completed a visual analog scale (VAS) questionnaire, with a scale of 0 (no pain) to 10 (maximal complaint), to measure their subjective pain. The mean VAS score of each group was compared with that of the other groups. Results: The pretreatment mean VAS scores of all 3 groups were not significantly different statistically from each other (4.02 ± 1.20, 4.36 ± 1.97, and 4.27 ± 1.50; P > .05). However, after treatment, the mean VAS scores of the patients treated with papaverine (0.93 ± 0.29) and pethidine (0.81 ± 0.38) were significantly different from those of the hycosine group (3.67 ± 2.21; P < .001). However, the mean VAS scores of groups 2 and 3 were comparable (P = .67). Unlike opioids, no papaverine-related severe side effects were observed. Conclusions: Our results indicate that papaverine hydrochloride can used in an effective manner in the management of renal colic pain in patients unresponsive to commonly used conventional agents. © 2008 Elsevier Inc. All rights reserved Daha fazlası Daha az

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