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Eryılmaz R, Ertas K, Aslan R, Sevim M, Keles MF, Taken K. Comparison of supine-prone percutaneous nephrolithotomy methods in the treatment of kidney stones in pediatric patients: prospective randomized study. Urolithiasis 2024; 52:73. [PMID: 38693402 PMCID: PMC11062970 DOI: 10.1007/s00240-024-01543-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 02/07/2024] [Indexed: 05/03/2024]
Abstract
Mini-PCNL is one of the most effective surgical methods in the treatment of kidney stones in pediatric patients. In this study, we aimed to compare PCNL in the supine-prone position in pediatric patients (especially operation time, postop complications, hospital stay and stone-free rates).We conducted our study in a randomized and prospective manner. Patients with lower pole stones larger than 1 cm, stones larger than 1.5 cm in the pelvis, upper pole, midpole or multiple locations, and patients who did not respond to ESWL or whose family that preferred mini-PCNL to be the primary treatment were included in the study. Patients with any previous kidney stone surgery, patients with coagulation disorders and patients with retrorenal colon were excluded from the study. Between 2021 and 2023, a total of 144 patients underwent PCNL. 68 of these patients had supine PCNL and 76 prone PCNL. Postoperative Clavien grade1 complication occurred in a total of 7 patients in the prone position; Clavien grade1 complication occurred in 1 patient in the supine position. The mean operation time for prone PCNL was 119.88 ± 28.32 min, and the mean operative time for supine PCNL was 98.12 ± 14.97 the mean hospitalization time in prone PCNL was 3.56 ± 1.12 days, and 3.00 ± 0.85 days in supine PCNL. In conclusion, supine PCNL is a safe and effective method in the treatment of pediatric kidney stones and postoperative complications were observed to be less; the operation time and hospital stay were shorter in supine PCNL.
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Affiliation(s)
- Recep Eryılmaz
- Yuzuncu Yil University Faculty of Medicine, Van, Turkey.
| | - Kasım Ertas
- Yuzuncu Yil University Faculty of Medicine, Van, Turkey
| | - Rahmi Aslan
- Yuzuncu Yil University Faculty of Medicine, Van, Turkey
| | - Mehmet Sevim
- Siirt Education and Training Hospital, Siirt, Turkey
| | | | - Kerem Taken
- Yuzuncu Yil University Faculty of Medicine, Van, Turkey
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Li X, Liu T, Hou Q, Zeng X, Xiong Y, Yang Y, Li Z, Li Y, Lin Y, He L. Comparison of Prone With Lithotomy Position in Removal of Posterior Myoma in Transvaginal Natural Orifice Endoscopic Surgery: A Prospective Cohort Study. J Minim Invasive Gynecol 2024:S1553-4650(24)00199-7. [PMID: 38692483 DOI: 10.1016/j.jmig.2024.04.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 04/23/2024] [Accepted: 04/25/2024] [Indexed: 05/03/2024]
Abstract
OBJECTIVE Vaginal natural orifice transluminal endoscopic surgery (vNOTES) is considered to have the advantages of completely scarless, less postoperative pain, earlier flatus, and faster postoperative recovery. However, posterior myoma are relatively difficult to operate through vNOTES in the conventional lithotomy position. Thus, we innovated the application of prone position in the removal of posterior myoma in vNOTES. The aim of this study is the comparison of myomectomy outcomes of patient for single posterior myoma in prone and lithotomy position. DESIGN A single-center, prospective study. SETTING A university teaching hospital. PATIENTS A total of 81 patients with posterior myoma who underwent myomectomy in vNOTES from January 2021 to December 2022. INTERVENTIONS The patients underwent myomectomy in vNOTES in prone or lithotomy position. MEASUREMENTS AND MAIN RESULTS Among the patients who underwent vNOTES myomectomy, 29 (35.8%) were in the lithotomy position group, and 52 (64.2%) in the prone position group. Of note, 4 (4.9%) patients underwent a conversion to LESS during the operation-3 in the lithotomy and 1 in the prone position group. And a patient in the lithotomy position group underwent resurgery for hemostasis due to postoperative pelvic bleeding. Compared with the lithotomy position, prone position significantly shortens the operation time (12.3, 95% CI: 6.811, 17.761. p = .009) without increasing the complications and postoperative discomfort of patients. CONCLUSION Compared to the lithotomy position, the prone position provides greater convenience for operation and exhibits a lower rate of surgical conversion during the removal of single posterior myomas via vNOTES. Further, for patients selecting vNOTES, surgeons need to conduct sufficient preoperative evaluation, timely hemostasis during surgery, and timely surgical conversion if necessary to ensure patient safety.
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Affiliation(s)
- Xin Li
- Chengdu Women's and Children's Central Hospital, School of Medicine (X. Li, Liu, Hou, Zeng, Xiong, Yang, Lin, and He), University of Electronic Science and Technology of China, Chengdu, China
| | - Tianjiao Liu
- Chengdu Women's and Children's Central Hospital, School of Medicine (X. Li, Liu, Hou, Zeng, Xiong, Yang, Lin, and He), University of Electronic Science and Technology of China, Chengdu, China
| | - Qiannan Hou
- Chengdu Women's and Children's Central Hospital, School of Medicine (X. Li, Liu, Hou, Zeng, Xiong, Yang, Lin, and He), University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaoyan Zeng
- Chengdu Women's and Children's Central Hospital, School of Medicine (X. Li, Liu, Hou, Zeng, Xiong, Yang, Lin, and He), University of Electronic Science and Technology of China, Chengdu, China
| | - Ying Xiong
- Chengdu Women's and Children's Central Hospital, School of Medicine (X. Li, Liu, Hou, Zeng, Xiong, Yang, Lin, and He), University of Electronic Science and Technology of China, Chengdu, China
| | - Yang Yang
- Chengdu Women's and Children's Central Hospital, School of Medicine (X. Li, Liu, Hou, Zeng, Xiong, Yang, Lin, and He), University of Electronic Science and Technology of China, Chengdu, China
| | - Zhongzhi Li
- Department of Gynaecology and Obstetrics (Z. Li), Chongqing University Fuling Hospital, Chongqing, China
| | - Yalan Li
- Psychosomatic Medical Center (Y. Li), The Fourth People's Hospital of Chengdu, Chengdu, China
| | - Yonghong Lin
- Chengdu Women's and Children's Central Hospital, School of Medicine (X. Li, Liu, Hou, Zeng, Xiong, Yang, Lin, and He), University of Electronic Science and Technology of China, Chengdu, China
| | - Li He
- Chengdu Women's and Children's Central Hospital, School of Medicine (X. Li, Liu, Hou, Zeng, Xiong, Yang, Lin, and He), University of Electronic Science and Technology of China, Chengdu, China.
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Li P, Ma Y, Liao B, Jin X, Xiang L, Li H, Wang K. Comparison of safety and efficacy of different positions in percutaneous nephrolithotomy: a network meta-analysis. Int J Surg 2024; 110:2411-2420. [PMID: 38445503 PMCID: PMC11020106 DOI: 10.1097/js9.0000000000001130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 01/23/2024] [Indexed: 03/07/2024]
Abstract
OBJECTIVES Various new positions for percutaneous nephrolithotomy (PCNL) were proposed to reduce the limitations of the traditional position. This study was aimed to evaluate the efficacy and safety of the different PCNL positions. METHODS PubMed, Embase, Web of Science, and the Cochrane Library were searched for relevant randomized controlled trials (RCTs) up to 18 April 2023. The authors collected five common surgical positions used for PCNL: oblique supine position (OSP), supine position (SP), flank position (FP), split-leg oblique supine/flank position (SLP), and prone position (PP). Paired and network meta-analysis were conducted to compare relevant outcomes, including complications, operative time, stone-free rates, hospital stay, and hemoglobin loss among these different positions. RESULTS The study included 17 RCTs with a total of 1841 patients. The result demonstrated that SLP significantly outperformed in terms of decreasing operation time (FP vs SLP MD- MD-41.65; OSP vs SLP MD 28.97; PP vs SLP MD 34.94), hospital stay, and hemoglobin loss. Ranking probabilities showed SLP had highest stone-free rate. Prone position was more likely to occur complications than others. Based on SMAA model, the benefit-risk analysis suggested the SLP was the optimal position in PCNL. CONCLUSIONS For PCNL, the split-leg, flank, supine, and OSPs are as secure as the prone position. Further RCTs are necessary to confirm the outstanding safety and efficacy of split-leg position. Besides, the position should be selected regard for the patient's demands, the surgeon's preference and learning curve.
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Affiliation(s)
| | | | | | | | | | | | - Kunjie Wang
- Department of Urology and Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu, Sichuan, People Republic of China
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Bitkin A, Özlü DN, Ekşi M, Kargı T, Fakir AE, Ayten A, Polat H, Taşçı Aİ. A comparative analysis of the efficacy and safety of mini-percutaneous nephrolithotomy performed in the supine and prone positions for the treatment of pediatric kidney stones: a single-center experience. Urolithiasis 2023; 51:122. [PMID: 37847257 DOI: 10.1007/s00240-023-01497-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 09/29/2023] [Indexed: 10/18/2023]
Abstract
Mini-percutaneous nephrolithotomy (MPCNL), which has a smaller tract size (14-20 Fr) than conventional percutaneous nephrolithotomy, has been shown to be safe and effective in pediatric patients with large and complex upper urinary tract stones. This study aimed to compare the efficacy and safety of MPCNL between the supine and prone positions in a pediatric population. The data of pediatric patients who underwent MPCNL at our center between January 2010 and March 2023 were retrospectively analyzed. According to the surgical position, the patients were divided into the prone (Group P) and supine (Group S) groups. In both groups, dilatation was performed using 14-18 Fr metallic dilators. The two groups were compared in terms of perioperative data, postoperative stone-free rates (SFRs), and complications. There were 36 (59%) patients in Group P and 25 (41%) patients in Group S. Stones were mostly located in the pelvis (49.2%) and second most frequently in the lower pole (27.9%). Fluoroscopy time was shorter in Group S but did not statistically significantly differ compared to Group P (p = 0.181). However, operation time was statistically significantly shorter in Group S (73.8 ± 35 vs. 99.8 ± 37.4 min, p = 0.008). Although there was no significant difference, relatively higher SFR were detected in Group S (88% vs. 83%, p = 0.725). Endoscopic combined intrarenal surgery (ECIRS) was performed on six (24%) patients in Group S, and the SFR was 100% among these patients. There was no significant difference between the two groups in terms of the presence of complications (16.7% vs. 16%, p = 0.945). Both supine and prone MPCNL appear to be safe and effective in the pediatric age group, with similar stone-free and complication rates. In the supine procedure, the operation time is shortened compared to the prone. In addition, simultaneous retrograde access has the potential to increase the overall success rate of surgery.
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Affiliation(s)
- Alper Bitkin
- Department of Urology, University of Health Sciences Bakırköy Dr. Sadi Konuk Training and Research Hospital, Zuhuratbaba Mah, Dr. Tevfik Sağlam Cd No:11, 34147, Bakırköy, Istanbul, Turkey.
| | - Deniz Noyan Özlü
- Department of Urology, University of Health Sciences Bakırköy Dr. Sadi Konuk Training and Research Hospital, Zuhuratbaba Mah, Dr. Tevfik Sağlam Cd No:11, 34147, Bakırköy, Istanbul, Turkey
| | - Mithat Ekşi
- Department of Urology, University of Health Sciences Bakırköy Dr. Sadi Konuk Training and Research Hospital, Zuhuratbaba Mah, Dr. Tevfik Sağlam Cd No:11, 34147, Bakırköy, Istanbul, Turkey
| | - Taner Kargı
- Department of Urology, University of Health Sciences Bakırköy Dr. Sadi Konuk Training and Research Hospital, Zuhuratbaba Mah, Dr. Tevfik Sağlam Cd No:11, 34147, Bakırköy, Istanbul, Turkey
| | - Ali Emre Fakir
- Department of Urology, University of Health Sciences Bakırköy Dr. Sadi Konuk Training and Research Hospital, Zuhuratbaba Mah, Dr. Tevfik Sağlam Cd No:11, 34147, Bakırköy, Istanbul, Turkey
| | - Ali Ayten
- Department of Urology, University of Health Sciences Bakırköy Dr. Sadi Konuk Training and Research Hospital, Zuhuratbaba Mah, Dr. Tevfik Sağlam Cd No:11, 34147, Bakırköy, Istanbul, Turkey
| | - Hakan Polat
- Department of Urology, University of Health Sciences Bakırköy Dr. Sadi Konuk Training and Research Hospital, Zuhuratbaba Mah, Dr. Tevfik Sağlam Cd No:11, 34147, Bakırköy, Istanbul, Turkey
| | - Ali İhsan Taşçı
- Department of Urology, University of Health Sciences Bakırköy Dr. Sadi Konuk Training and Research Hospital, Zuhuratbaba Mah, Dr. Tevfik Sağlam Cd No:11, 34147, Bakırköy, Istanbul, Turkey
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Carmen Tong CM, Ellison JS, Tasian GE. Pediatric Stone Disease: Current Trends and Future Directions. Urol Clin North Am 2023; 50:465-475. [PMID: 37385708 DOI: 10.1016/j.ucl.2023.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/01/2023]
Abstract
Pediatric nephrolithiasis is less common in children than in adults but the incidence has been rising rapidly, and it is now a public health and economic burden in the United States. There are challenges unique to children that should be taken into consideration when evaluating and managing pediatric stone disease. In this review, we present the current research on risk factors, emerging new technologies for treatment of stones and recent investigations on prevention of stones in this population.
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Affiliation(s)
- Ching Man Carmen Tong
- Department of Pediatric Urology, University of Alabama at Birmingham, 1600 7th Avenue South, Lowder Suite 318, Birmingham, AL 35233, USA.
| | - Jonathan S Ellison
- Department of Urology, Medical College of Wisconsin, Children's Hospital of Wisconsin and Medical College of Wisconsin, 9000 West Wisconsin Avenue, Milwaukee, WI 53226, USA
| | - Gregory E Tasian
- Division of Urology, Department of Surgery, Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, Philadelphia, PA 19104, USA
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Mishra DK, Agrawal MS, Shah M, Naganathan K, Hameed Z, Gauhar V. Ambulatory Minimally Invasive Endoscopic Combined Intrarenal Surgery in Management of Large Impacted Proximal Ureteral Calculi: A Feasibility Study at a Tertiary Referral Center. J Endourol 2023; 37:251-256. [PMID: 36401507 DOI: 10.1089/end.2022.0234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: To conduct a comparative, nonrandomized study to assess the feasibility of mini-Endoscopic Combined Intrarenal Surgery (ECIRS) using supine Mini-percutaneous nephrolithotomy (PCNL) access (16F) in Galdakao-Modified Supine Valdivia position for managing proximal large-volume impacted ureteral calculi as ambulatory day-care surgery vis-a-vis standalone ureteroscopy (URS) with push-back PCNL, if needed. The primary aim was to study the outcomes and stone-free rates (SFRs). Secondary aim was to compare the intraoperative and short-term postoperative complications. Materials and Methods: Data of 60 patients undergoing ECIRS (Group 1) from January 2016 to December 2019 were collected prospectively in a nonrandomized fashion from a single center after Ethics Committee approval. A matched-paired analysis was performed with retrospectively collated data of 60 patients undergoing standard URS/pushback PCNL (Group 2) using analysis of variance, Fisher's exact test, and Chi-square test. p < 0.05 was considered statistically significant. Outcomes and Results: Group 1 patients had a significantly shorter procedure time vs Group 2 (42.1 ± 11.2 minutes vs 52.1 ± 13.7 minutes; p < 0.001). Group 1 (59/60) patients had an overall single stage SFR of 98.3%, which was significantly higher than single-stage SFR of 83% in Group 2 (50/60) (p < 0.002). Group 2 patients had a higher incidence of fever (10 vs 4, p = 0.01). However, there were no cases of sepsis in either group. Rest of the complications were comparable for both, as the need for ancillary procedures was significantly higher in Group 2 (10% vs 1.7%, p < 0.001). Patients were discharged on the same day in both groups. Conclusions: The findings of our study suggest that, in large and impacted proximal ureteric stones, combined minimally invasive endoscopic approach offers the best option to render the patient stone free by a single intervention. With better intra- and postoperative outcomes and safety profile, Mini-ECIRS may be considered as an ambulatory procedure in this setting.
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Affiliation(s)
- Dilip K Mishra
- Department of Urology, Pushpanjali Hospital and Research Center Pvt Ltd, Agra, India
| | - Madhu Sudan Agrawal
- Department of Urology, Rainbow Hospital, Agra, India
- Urology Division, Department of Surgery, S.N. Medical College, Agra, India
| | - Milap Shah
- Department of Urology, Max Superspecialty Hospital, New Delhi, India
| | | | - Zeeshan Hameed
- Department of Urology, Father Muller Medical College, Mangalore, India
| | - Vineet Gauhar
- Department of Urology, Ng Teng Fong General Hospital, Singapore, Singapore
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Comparison between prone and supine nephrolithotomy in pediatric population: a double center experience. Int Urol Nephrol 2022; 54:3063-3068. [PMID: 35962906 DOI: 10.1007/s11255-022-03341-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 08/08/2022] [Indexed: 10/15/2022]
Abstract
PURPOSE Stone disease in the pediatric age is an increasing issue. Percutaneous Nephrolithotomy (PNL) can be used for larger and complex stones. As in adults it can be performed in the supine or prone position. METHODS We retrospectively reviewed two centers' experience in prone and supine PNL in children to analyze its results and complications. RESULTS 33 patients underwent prone and 19 supine procedures. Patients in the prone group were younger than in the supine, while no significant differences were found in stone burden, access size, operative time or complications. Complications were: 8 and 4 Clavien 1 for the prone and supine group, respectively, one case of urosepsis (4b) in the prone and 2 cases of Clavien 3 in the supine group (double J stent placement for renal colic and ureteroscopy for steinstrasse). Tubeless procedures and mean nephrostomy time were in favor of the supine group, whereas fluoroscopy time and ureteral drainage stay were in support of the prone group. Stone free rate was better in the supine group (83.3 vs 66.6%), possibly reflecting the capability to perform a combined approach in 12 patients (allowing to reach all the calyx with simultaneous anterograde and retrograde access) or younger age in the prone group (13 vs 2 patients ≤5 years), with no differences in stone burden. CONCLUSIONS Supine approach seems to guarantee higher stone-free rates. Larger series are necessary to determine what the best technique is in terms of X-ray exposure, operative time and complications.
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Peng T, Zhong H, Hu B, Zhao S. Minimally invasive surgery for pediatric renal and ureteric stones: A therapeutic update. Front Pediatr 2022; 10:902573. [PMID: 36061394 PMCID: PMC9433542 DOI: 10.3389/fped.2022.902573] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 07/20/2022] [Indexed: 11/29/2022] Open
Abstract
The incidence of pediatric urolithiasis (PU) is growing worldwide. The corresponding therapeutic methods have become a research hot spot in pediatric urology. PU has the characteristics of abnormal metabolism, easy recurrence, and immature urinary system development, which make its treatment different from that of adults. Pediatric urologists should select the optimal treatment modality to completely remove the stones to prevent recurrence. Currently, the curative treatments of PU include extracorporeal shock wave lithotripsy (ESWL), ureteroscopy, retrograde intrarenal surgery, percutaneous nephrolithotomy (PCNL), laparoscopic, robot-assisted laparoscopic, and open surgery. This review aims to conduct a therapeutic update on the surgical interventions of both pediatric renal and ureteric stones. It accentuates that pediatric surgeons or urologists should bear in mind the pros and cons of various minimally invasive surgical treatments under different conditions. In the future, the treatment of PU will be more refined due to the advancement of technology and the development of surgical instruments. However, a comprehensive understanding of the affected factors should be taken into account by pediatric urologists to select the most beneficial treatment plan for individual children to achieve precise treatment.
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Affiliation(s)
- Tao Peng
- Department of Pediatric Surgery, Huizhou Central People's Hospital, Huizhou, China
| | - Hongcai Zhong
- Department of Pediatric Surgery, Huizhou Central People's Hospital, Huizhou, China
| | - Baohui Hu
- Department of Pediatric Surgery, Huizhou Central People's Hospital, Huizhou, China
| | - Shankun Zhao
- Department of Urology, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, China
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