Berkan Resorlu

Tepecik Teaching and Research Hospital, Ismir, İzmir, Turkey

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Publications (81)133.97 Total impact

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    ABSTRACT: Cross-fused renal ectopia is a rare congenital anomaly in which both kidneys are fused and located on the same side. We report a case of right-to-left cross-fused renal ectopia and nephrolithiasis, in whom retrograde intrarenal surgery was used to treat the stone disease. To our knowledge, this is the first case of retrograde intrarenal surgery of a crossed-fused ectopic kidney. Copyright © 2014 Elsevier Inc. All rights reserved.
    Urology 12/2014; · 2.42 Impact Factor
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    ABSTRACT: In this study we aimed to determine the effects of previous open renal surgery, percutaneous nephrolithotomy and extracorporeal shockwave lithotripsy (ESWL) on the results and complications of subsequent percutaneous nephrolithotomy (PCNL) in pediatric patients. We reviewed the files of all 105 patients with 116 renal units (RU) undergoing PCNL at two main institutions between December 2000 and February 2014. The 116 RUs were divided into four groups: primary PCNL patients with 44 RU (37.9 %) were categorized as group 1, 29 RU (25 %) with a history of failed ESWL on the same side were categorized as group 2, 23 RU (19.8 %) with previous PCNL surgery were categorized as group 3 and 20 RU (17.2 %) with open renal surgery were categorized as group 4. Patient characteristics, mean operative time, mean fluoroscopy time, time to access the collecting system, hemoglobin change, number of more than 1 access, stone-free rates, postoperative hospitalization time and complications in four groups were compared. There were no differences between the groups in age, sex, mean stone size and stone laterality. Mean operative time, mean fluoroscopy time, time to access the collecting system, hemoglobin change, complication rates, number of more than one access hospitalization times were similar in the each group (p > 0.05 for each parameter). The stone-free rates after PCNL were 81.8 % in group 1, 79.3 % in group 2, 78.3 % in group 3 and 80 % in group 4 (p = 0.67). Percutaneous nephrolithotomy is effective and safe in children who have previously had open nephrolithotomy, history of ESWL or PCNL without no more complications than are seen with primary PCNL of kidneys and with similar success rate.
    Urolithiasis. 11/2014;
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    ABSTRACT: Urinary tract stone disease is seen at a level of 1%-2% in childhood (< 18 years). In recent years, however, there has been a marked increased in pediatric stone disease, particularly in adolescence. A carbohydrate- and salt-heavy diet and a more sedentary lifestyle are implicated in this increase. Although stone disease is rare in childhood, its presence is frequently associated with metabolic or anatomical disorders or infectious conditions, for which reason there is a high possibility of post-therapeutic recurrence. Factors such as a high possibility of recurrence and increasing incidence further enhance the importance of minimally invasive therapeutic options in children, with their expectations of a long life. In children in whom active stone removal is decided on, the way to achieve the highest level of success with the least morbidity is to select the most appropriate treatment modality. Thanks to today's advanced technology, renal stones that were once treated only by surgery can now be treated with minimally invasive techniques, from invasion of the urinary system in an antegrade (percutaneous nephrolithotomy) or retrograde (retrograde intrarenal surgery) manner or shock wave lithotripsy to laparoscopic stone surgery. This compilation study examined studies involving the RIRS procedure, the latest minimally invasive technique, in children and compared the results of those studies with those from other techniques.
    World journal of nephrology. 11/2014; 3(4):193-7.
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    ABSTRACT: To present the outcomes of flexible ureterorenoscopy (F-URS) and laser lithotripsy for the treatment of calculi within pelvic ectopic kidney (PEK).
    Urology 10/2014; · 2.42 Impact Factor
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    ABSTRACT: Objectives: To investigate whether congenital renal vein anomalies are involved in the etiology of hematuria by analyzing abdominal multidetector computed tomography (MDCT) results. Methods: Six hundred and eighty patients undergoing MDCT for various abdominal pathologies in whom possible causes of hematuria were excluded were retrospectively assessed in terms of left renal vein anomalies, such as circumaortic left renal vein (CLRV), retroaortic left renal vein (RLRV) and multiple renal vein (MRV). Patients with CLRV, RLRV or MRV and patients with normal left renal veins were compared in terms of the presence of hematuria. Results: Left renal vein anomalies were detected in 100 patients (14.7%). RLRV, CLRV and MRV were identified in 5.4, 2.5 and 6.8% of patients, respectively. Hematuria was determined in 8.1% of patients with an RLRV anomaly and in 10.5% of patients with no RLRV anomaly (p = 0.633). Hematuria was detected in 23.5% of patients with a CLRV anomaly and 10.1% of those without (p = 0.074), and in 21.7% of patients with an MRV anomaly and 9.6% of those without (p = 0.009). Conclusions: In addition to increasing risk of complication during retroperitoneal surgery, numeric congenital renal vein anomalies are also significant in terms of leading to clinical symptoms such as hematuria. © 2014 S. Karger AG, Basel.
    Urologia Internationalis 08/2014; · 1.07 Impact Factor
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    ABSTRACT: Objective: To compare the safety and efficacy of en bloc stapling and separate ligation techniques for renal vascular control during laparoscopic nephrectomy. Patients and Methods: Clinical data were collected from 60 patients who underwent laparoscopic nephrectomies using en bloc stapling (n = 27, group 1) or the separate ligation method (n = 33, group 2). Comparative analysis was carried out between the two groups, examining operative times, blood loss, intra- and postoperative complications and hospital stay. Results: Compared with the separate ligation method, the en bloc hilar control technique was associated with a shorter total operating time (98 vs. 121 min, p = 0.029). However, both groups were similar in terms of estimated blood loss, hemoglobin drop, changes in creatinine level and postoperative hospital stay. The total complication rates in group 1 and 2 were 3.7 and 15.1%, respectively, with a statistically significant difference. There were no complications related to the use of the endo-GIA stapler and no patients required conversion to open surgery in group 1. In group 2, 2 patients required conversion to open surgery, including 1 due to renal vein bleeding secondary to inaccurate vascular control and the other due to bleeding from the vena cava during dissection. In addition, 1 patient had a superficial bowel injury that was repaired laparoscopically and another had a superficial liver tear that was managed without conversion or transfusion. Conclusion: En bloc ligation of the renal hilum is an easy and reliable technique that allows safe and fast control of the renal pedicle. © 2014 S. Karger AG, Basel.
    Urologia Internationalis 08/2014; · 1.07 Impact Factor
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    ABSTRACT: Purpose: To review our intraoperative complications of retrograde intrarenal surgery (RIRS) for kidney calculi and stratify these complications according to the modified Satava classification system (SCS). Patients and Methods: 230 patients (119 males, 111 females) who underwent RIRS because of kidney calculi were analyzed. We documented and stratified the intraoperative complications according to the modified SCS. There are four grades for this classification: grade 1 complications include events without consequences for patients; grade 2a complications include events that could be treated with endoscopic surgery intraoperatively; grade 2b complications include events which were treated with endoscopic treatment in another session, and grade 3 describes the events requiring laparoscopic or open surgery. Results: Mean age was 39.1 years (range 1-78). The stone-free rate after one session was 81%. Intraoperative complications were recorded in 30.4% of the patients. According to the modified SCS, grade 1 complications were documented in 15.9%, grade 2a complications were documented in 5.6%, and grade 2b complications were documented in 8.9% of the patients. Grade 3 complications were not detected in any of the patients. Conclusion: In our opinion, the modified SCS can facilitate patients to understand the safety of this surgery and can make it easier to compare the results of different institutes and surgeons. © 2014 S. Karger AG, Basel.
    Urologia Internationalis 02/2014; · 1.07 Impact Factor
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    ABSTRACT: We aimed to evaluate the effectiveness of percutaneous nephrolithotomy (PNL), stone-free rates, and related complications in children with radiolucent renal stones. A total of 56 patients aged <16 years from four institutions were enrolled in our study. Asymptomatic, clinically insignificant residual fragments measuring <4 mm or a complete stone-free status was accepted as the criterion for clinical success. Complications were evaluated according to the modified Clavien classification. The mean age of the patients was 7.8 ± 4.5 years. The mean stone size was calculated as 24.07 ± 10.4 mm. The median operative and fluoroscopy times were 53.2 min (15-170 min) and 172.4 s (5-520 s), respectively. The success rate after PNL monotherapy was 87.4 %; the total success rate with shock wave lithotripsy used as an auxillary treatment method was detected as 94.6 %. The total complication rate was 19.6 % (11 patients). No adjacent organ injury was observed. All of the complications that occurred were minor according to the Clavien classification (Clavien Grades I-II). PNL can be applied to radiolucent pediatric renal stones in children with similar success, and complication rates as noted for radiopaque stones.
    Urolithiasis. 10/2013;
  • Ural Oğuz, Berkan Resorlu, Ali Unsal
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    ABSTRACT: To determine the metabolic risk factors in children and adults with urinary system stone disease. Between September 2008 and February 2011, 257 patients who underwent 24-h urine analysis because of urinary system stone disease were included in the present study. Group I and II include only adult patients. The first-time stone formers were named as Group I (n = 106), and recurrent stone formers were named as Group II (n = 107). Group III was occurred by pediatric patients (n = 44). Control group includes 105 people was called as Group IV. This group was divided into two subgroups. Group IVa includes 70 adult people, and Group IVb includes 35 children. The metabolic evaluation results of patients and control groups were compared. Hypercalciuria (35.8, 44.9, and 47.7 % for Group I, II, and III, respectively) and hypocitraturia (42.5, 40.2, and 50 % for Group I, II, and III, respectively) were most common risk factors for stone formation. However, unlike the literature, we have seen that hypomagnesiuria is also an important risk factor in adults and children. Hypomagnesiuria was defined at 36.4 % in Group I, 29 % in Group II, and 56.8 % in Group III (p < 0.05 for each group). These three parameters were significantly different between patient and control groups. Hypomagnesiuria, hypocitraturia, and hypercalciuria are the most important risk factors for stone formation in adults and pediatric patients.
    International Urology and Nephrology 08/2013; · 1.33 Impact Factor
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    ABSTRACT: Objectives: To examine the feasibility of retrograde intrarenal surgery (RIRS) in a porcine model. Materials and Methods: Female pigs (n = 3) were placed in a dorsal lithotomy position under general anesthesia, and stone material was inserted into the renal pelvis of the pigs. The bladder was entered with a cystoscope, and a 0.038-inch hydrophilic guidewire was passed into the renal pelvis. Following successful placement of the guidewire, a ureteral access sheath (9.5/11.5 Fr) was placed to allow for optimal visualization. A 7.5-Fr flexible ureteroscope (Karl Storz Flex-X2) and a 200-μm laser fiber were used for lithotripsy. When basketing was deemed necessary, zero-tipped nitinol stone baskets were used. Trainees then practiced all these manipulations on the model. Results: Urologists with moderate experience in advanced endourologic surgery were trained using this model. However, there were some surgical difficulties due to the urinary system anatomy of the pig. Intravaginal location of the urethra, bladder neck location of the ureters, tight ureteric orifices, tortuous ureters, longitudinally elongated renal pelvis, narrow infundibulopelvic angle and shallow calices made the passage of the instruments and maneuverability of the flexible ureteroscope more difficult than in a human model. Conclusions: Despite some difficulties, our porcine model was very effective, because all the trainees successfully practiced the RIRS manipulations on this model.
    Urologia Internationalis 08/2013; · 1.07 Impact Factor
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    ABSTRACT: The objective of the study was to investigate the precise role of computed tomography (CT) in preoperative radiologic evaluation and surgical planning of kidney stone in children prior to percutaneous nephrolithotomy (PNL). A total of 113 pediatric patients (aged ≤18 years) undergoing PNL for renal stone(s) in three referral hospitals between March 2010 and August 2012 were retrospectively evaluated. Depending on the preoperative radiologic evaluation, patients were divided into two groups. Those evaluated with CT were classified as group-1 (n = 50) and the remaining cases undergoing intravenous urography (IVU) examination were classified as group-2 (n = 63). Patient- and procedure-related variables and perioperative measures were compared between the groups. The mean age, stone size and localization were similar in both groups (p = 0.07, p = 0.57, p = 0.6, respectively). Although the postoperative hemoglobin drop was found to be significantly higher in group-2 (1.5 ± 1.3 vs. 0.9 ± 0.6 g/dL, p = 0.005), the mean operation time, fluoroscopic screening time, access number, overall success and complication rates were comparable (p = 0.06, p = 0.94, p = 0.75, p = 041, and p = 0.41, respectively). However, the mean hospitalization time was significantly prolonged in group-2 than in group-1 (p = 0.03). Our findings clearly demonstrate that, despite the key role of preoperative CT in particular patients with anatomically abnormal kidneys, IVU is a valuable alternative imaging modality with comparable radiation doses in children.
    Urolithiasis. 08/2013;
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    ABSTRACT: The aim of the study to compare outcomes of flexible ureterorenoscopy in patients with different body mass index (BMI) scores and to explore whether the BMI has an effect on outcomes of RIRS. Five hundred and two patients who underwent flexible URS in 3 centers between 2008 and 2012 for the management of single upper urinary tract calculi were retrospectively reviewed. Patients were categorized as normal weight BMI 18.5 to 24.99 kg/m(2), overweight 25 to 29.99 kg/m(2), obese 30 to 39.99 kg/m(2) and morbid obese >40 kg/m(2).The groups were assessed in terms of demographic parameters including age, gender, stone size, intraoperative and postoperative variables. The mean patient age was 41.3 ± 15.51 (18-81) years and with an average BMI 26.68 ± 5.2 kg/m(2) (16.64-55.15 kg/m²). Of the patients, 43.2 % had normal weight (NW), 32.2 % were overweight (OW), 21.9 % were obese (O) and 2.5 % were morbidly obese (MO). Stone-free rates after single procedure in NW, OW, O, MO groups were 60.8, 61.7, 73.6, 61.5 %, respectively (p = 0.079). Overall targeted stone-free rates were also similar in four groups (88.9, 90.1, 93.6, 90.4 %, p = 0.586). There were no statistically significant differences in the frequency of complications and mean hospitalization time among the groups (p > 0.05). In conclusion, this study demonstrated that flexible URS is a valuable option for the treatment of kidney stone in both obese and non-obese patients. BMI did not influence the postoperative outcomes.
    Urolithiasis. 07/2013;
  • World Journal of Urology 06/2013; · 2.89 Impact Factor
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    ABSTRACT: To assess the significance of asymptomatic residual stone fragments of less than 4mm (clinically insignificant residual fragments [CIRFs]) after shock wave lithotripsy (SWL), percutaneous nephrolithotomy (PNL), and retrograde intrarenal surgery (RIRS) in children. Eighty-five children were followed up for 6 to 50months (median 22). Outcomes measured were fragment re-growth, stone events (emergency department visits, hospitalization, or additional interventions) and spontaneous fragment passage. During follow-up, 22 children (25.8%) passed residual fragments spontaneously. Highest spontaneous passage rate was found for renal pelvis stones and the lowest for the lower pole stones (57.1% vs. 16.1%; p<0.001). When the number of the fragments increased, the chance of the spontaneous passage decreased (30% vs 20%; p<0.05). Symptomatic episodes including renal colic, hematuria, or urinary tract infection were documented in 34 (40%) patients, and re-growth of fragments was observed in 18 (21.2%). Stone size had no significant effect on spontaneous passage (p=0.079), stone growth (p=0.528), and symptomatic episodes (p=0.402). Twenty-five patients (29.4%) required secondary intervention for stone re-growth or stone related events and the remaining 20 patients (23.5%) needed medical treatment for bothersome symptoms or complications. Our results suggest that 40% of children with CIRFs will become symptomatic and 20% will develop stone re-growth over the following 6months. Only one fifth of the fragments will pass spontaneously without any complications. Therefore, the use of the term "CIRF" is not appropriate for postoperative residual fragments in children.
    Journal of Pediatric Surgery 04/2013; 48(4):840-4. · 1.38 Impact Factor
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    ABSTRACT: OBJECTIVES: To review our experience with ureteroscopy (URS) in the treatment of ureteral calculi and stratify intraoperative complications of URS according to the modified Satava classification system. PATIENTS AND METHODS: We performed a retrospective analysis of 1,208 patients (672 males and 536 females), with a mean age of 43.1 years (range 1-78), who underwent ureteroscopic procedures for removal of ureteral stones. Intraoperative complications were recorded according to modified Satava classification system. Grade 1 complications included incidents without consequences for the patient; grade 2 complications, which are treated intraoperatively with endoscopic surgery (grade 2a) or required endoscopic re-treatment (grade 2b); and grade 3 complications included incidents requiring open or laparoscopic surgery. RESULTS: The stones were completely removed in 1,067 (88.3 %) patients after primary procedure by either simple extraction or after fragmentation. The overall incidence of intraoperative complications was 12.6 %. The most common complications were proximal stone migration (3.9 %), mucosal injury (2.8 %), bleeding (1.9 %), inability to reach stone (1.8 %), malfunctioning or breakage of instruments (0.8 %), ureteral perforation (0.8 %) and ureteral avulsion (0.16 %). According to modified Satava classification system, there were 4.5 % grade 1; 4.4 % grade 2a; 3.2 % grade 2b; and 0.57 % grade 3 complications. CONCLUSION: We think that modified Satava classification is a quick and simple system for describing the severity of intraoperative URS complications and this grading system will facilitate a better comparison for the surgical outcomes obtained from different centers.
    World Journal of Urology 03/2013; · 2.89 Impact Factor
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    ABSTRACT: Retrograde intrarenal surgery (RIRS) in patients with horseshoe kidneys (HSKs) remains poorly studied. The present study aimed to assess clinical success and stone-free rates in HSK patients with renal stones treated with flexible ureteroscopy. RIRS was attempted in 20 patients with 25 renal stones in HSK from December 2008 to January 2012. The patients were evaluated with imaging studies including plain abdominal radiography, intravenous urogram, abdominal ultrasonography or non-contrast tomography scan. Success rate was defined as stone-free or residual fragment less than 4 mm. Pre-operative, operative and postoperative data were retrospectively analyzed. A total of 20 patients were included in the present study (12 males, 8 females). 9 of 25 renal stones (36 %) were located in the lower calyx of the kidney, whereas 7 (28 %) in the middle calyx, 5 (20 %) in the renal pelvis and 4 (16 %) in the upper calyx. The mean stone size was 17.8 ± 4.5 mm. The stone-free rate was 70 % after a single procedure. 6 patients required shock wave lithotripsy and two of these were completely stone-free. Average hospital stay was 1.4 ± 0.7 days. Minor complications as classified by Clavien I or II occurred in 25 %. No major complications (Clavien III-V) occurred in the study group. RIRS is an effective and safe treatment modality for renal stones in patients with HSK. The procedure has minimal morbidity and high success rate.
    Urolithiasis. 02/2013; 41(1):79-83.
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    ABSTRACT: Objectives: It was the aim of this study to evaluate and compare the outcomes of percutaneous nephrolithotomy (PNL) for the treatment of posterior and anterior caliceal stones. Patients and Methods: We performed a retrospective analysis of 86 patients with isolated caliceal stones who underwent PNL between 2011 and 2012. The patients were classified into two groups according to the localization of the stone, either in the anterior (group 1, n = 41) or posterior (group 2, n = 45) calyx, on axial plane computed tomography. Results: The mean age, male/female ratio and stone size and location were similar in both groups. Fluoroscopy, operation time and duration of hospitalization were also similar between groups. Patients in group 1 had a greater postoperative hemoglobin drop than patients in group 2. Blood transfusion was required for 5 patients in group 1 and for 4 patients in group 2. In addition, open conversion was required for 2 patients in group 1 during the early postoperative period because of extensive bleeding. Hemodynamics were stabilized with angioembolization in 2 patients with prolonged hematuria in group 1. The overall success and complication rates were similar in both groups. Conclusion: Although the postoperative hemoglobin drop did not significantly differ between groups, hemorrhaging was more severe in patients with anterior caliceal stones than in those with posterior caliceal stones.
    Urologia Internationalis 01/2013; · 1.07 Impact Factor
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    ABSTRACT: A 28-year old man presented with left flank pain and dysuria. Plain abdominal film and computed tomography showed a left giant ureteral stone measuring 11.5 cm causing ureteral obstruction and other stones 2.5 cm in size in the lower pole of ipsilateral kidney and 7 mm in size in distal part of right ureter. A left ureterolithotomy was performed and then a double J stent was inserted into the ureter. The patient was discharged from the hospital 4 days postoperatively with no complications. Stone analysis was consistent with magnesium ammonium phosphate and calcium oxalate. Underlying anatomic or metabolic abnormalities were not detected. One month after surgery, right ureteral stone passed spontaneously, left renal stone moved to distal ureter, and it was removed by ureterolithotomy. Control intravenous urography and cystography demonstrated unobstructed bilateral ureter and the absence of vesicoureteral reflux.
    Case Reports in Medicine 01/2013; 2013:236286.
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    ABSTRACT: Objectives. To determine when emergent intervention for bleeding after percutaneous nephrolithotomy (PCNL) is required. Methods. We reviewed analysis data of 850 patients who had undergone PCNL in our center. Blood transfusion was needed for 60 (7%) patients during and/or after surgery. We routinely performed followup of the urine output per hour, blood pressure, and hemoglobin levels after PCNL. Five (0.6%) of them had severe bleeding that emergent intervention was needed. Results. The mean age of the 5 patients who had emergent surgery due to severe bleeding was 42.2 (19-56) years. Mean duration of surgery was 44.75 (25-65) minutes. Mean stone size was 27 (15-38) mm. Mean decrease of hemoglobin was 4.8 (3.4-5.8) ng/dL, and unit of transfused blood was 4.4 (3-6). Mean blood pH was 7.21. There were metabolic acidosis and anuria/oliguria in all these patients. One of 5 patients suffered from cardiopulmonary arrest because of massive bleeding four hours after the PCNL, and despite cardiac resuscitation, he died. Hemorrhaging was controlled by open surgery in the other 4 patients. Two patients experienced cardiac arrest during the open surgery but they responded to cardiac resuscitation. There were no metabolic asidosis and anuria/oliguria, and bleeding was managed only with blood transfusion for the other 55 patients. Conclusion. Severe bleeding after PCNL is rare and can be mortal. If metabolic asidosis and anuria/oliguria accompanied the drop of hemoglobin, emergent surgical intervention should be performed because vascular collapse may follow, and it may be too difficult to stabilise the patient.
    ISRN urology. 01/2013; 2013:760272.
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    ABSTRACT: OBJECTIVES: To compare the outcomes of shock wave lithotripsy (SWL), percutaneous nephrolithotomy (PNL), and retrograde intrarenal surgery (RIRS) for 10-20 mm radiolucent renal calculi by evaluating stone-free rates and associated complications. PATIENTS AND METHODS: A total of 437 patients at 7 institutions who underwent SWL (n = 251), PNL (n = 140), or RIRS (n = 46) were enrolled in our study. Clinical success was defined as stone-free status or asymptomatic insignificant residual fragments <3 mm. The success rates, auxiliary procedures, and complications were compared in each group. RESULTS: Success rates were 66.5, 91.4, and 87 % for SWL, PNL, and RIRS (p < 0.001). The need for auxiliary procedures was more common after SWL than PNL and RIRS (21.9 vs 5.7 vs 8.7 %, respectively; p < 0.001). The overall complication rates for the SWL, PNL, and RIRS were 7.6, 22.1, and 10.9 %, respectively (p < 0.001). Thirteen patients in PNL group received blood transfusions, while none of the patients in RIRS and SWL groups transfused. Hospitalization time per patient was 1.3 ± 0.5 days in the RIRS group, while it was 2.6 ± 0.9 days in the PNL group (p < 0.001). Fluoroscopy and operation time were significantly longer in the PNL group compared to RIRS (145.7 ± 101.7 vs 28.7 ± 18.7 s, and 57.5 ± 22.1 vs 43.1 ± 17 min, respectively). CONCLUSIONS: For treatment of moderate-sized radiolucent renal stones, RIRS and PNL provide significantly higher success and lower retreatment rate compared with SWL. Although PNL is effective, its biggest drawback is its invasiveness. Blood loss, radiation exposure, hospital stay, and morbidities of PNL can be significantly reduced with RIRS technique.
    World Journal of Urology 11/2012; · 2.89 Impact Factor

Publication Stats

331 Citations
133.97 Total Impact Points

Institutions

  • 2014
    • Tepecik Teaching and Research Hospital
      Ismir, İzmir, Turkey
  • 2012–2014
    • Çanakkale Onsekiz Mart Üniversitesi
      • Faculty of Medicine
      Kale-Sultanie, Çanakkale, Turkey
  • 2013
    • Ataturk University
      • Faculty of Medicine
      Kalikala, Erzurum, Turkey
    • Bezmiâlem Vakif Üniversitesi
      • Faculty of Medicine
      İstanbul, Istanbul, Turkey
  • 2009–2011
    • T.C. Sağlık Bakanlığı Ankara Eğitim ve Araştırma Hastanesi
      Engüri, Ankara, Turkey
    • Ankara Numune Training and Research Hospital
      Engüri, Ankara, Turkey
  • 2006–2011
    • Ankara University
      • Department of Urology
      Ankara, Ankara, Turkey