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Renal Pelvic Pressure

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https://www.readbyqxmd.com/read/29915945/pressure-matters-intrarenal-pressures-during-normal-and-pathological-conditions-and-impact-of-increased-values-to-renal-physiology
#1
REVIEW
Theodoros Tokas, Thomas R W Herrmann, Andreas Skolarikos, Udo Nagele
PURPOSE: To perform a review on the latest evidence related to normal and pathological intrarenal pressures (IRPs), complications of incremented values, and IRP ranges during endourology. METHODS: A literature search was performed using PubMed, restricted to original English-written articles, including animal, artificial model, and human studies. Different keywords were: percutaneous nephrolithotomy, PCNL, ureteroscopy, URS, RIRS, irrigation flow, irrigation pressure, intrarenal pressure, intrapelvic pressure and renal pelvic pressure...
June 18, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29915944/pressure-matters-2-intrarenal-pressure-ranges-during-upper-tract-endourological-procedures
#2
REVIEW
Theodoros Tokas, Andreas Skolarikos, Thomas R W Herrmann, Udo Nagele
PURPOSE: To perform a review on the latest evidence related to intrarenal pressures (IRPs) generated during upper-tract endourology, and present different tools to maintain decreased values, to decrease complication rates. METHODS: A literature search was performed using PubMed, restricted to original English-written articles, including animal, artificial model and human studies. Different keywords were: percutaneous nephrolithotomy, PCNL, ureteroscopy, URS, RIRS, irrigation flow, irrigation pressure, intrarenal pressure, intrapelvic pressure and renal-pelvic pressure...
June 18, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29779995/factors-predicting-postoperative-febrile-urinary-tract-infection-following-percutaneous-nephrolithotomy-in-prepubertal-children
#3
Onur Kaygısız, Nihat Satar, Ali Güneş, Hasan Serkan Doğan, Ahmet Erözenci, Ender Özden, Mehmet Mesut Pişkin, Deniz Demirci, Serdar Toksöz, Tufan Çiçek, Serhat Gürocak, Hakan Kılıçarslan, Oktay Nazlı, Aykut Kefi, Volkan İzol, Ali Beytur, Şaban Sarıkaya, Serdar Tekgül, Bülent Önal
BACKGROUND: Predictive tables and scoring systems can predict stone clearance. However, there is a paucity of evidence regarding the prediction of complications during percutaneous nephrolithotomy (PCNL), particularly in children, which remains under-researched. To our knowledge, no studies have evaluated the risk factors for febrile urinary tract infection (FUTI) after pediatric PCNL. OBJECTIVES: To assess the predictive factors of FUTI in prepubertal children after PCNL and determine whether any prophylactic cephalosporins are superior for decreasing the FUTI rate...
May 5, 2018: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29770194/clinical-utility-of-hyperbaric-oxygen-therapy-in-genitourinary-medicine
#4
REVIEW
Jason Gandhi, Omar Seyam, Noel L Smith, Gunjan Joshi, Sohrab Vatsia, Sardar Ali Khan
Hyperbaric oxygen therapy (HBOT) is a medical technique which delivers oxygen at ambient pressures to increase the amount of dissolved oxygen in the blood and oxygen distribution to tissues. There are several beneficial properties of HBOT concomitant with elevated oxygen distribution in tissue including anti-inflammation, angiogenesis through vascular endothelial growth factor proliferation, augmented fibroblast activity through fibroblast growth factor proliferation, tissue and wound repair, enhancement of lymphocyte and macrophage activity, increased male testosterone secretion, and bactericidal activity...
January 2018: Medical Gas Research
https://www.readbyqxmd.com/read/29385812/mini-versus-standard-percutaneous-nephrolithotomy-the-impact-of-sheath-size-on-intrarenal-pelvic-pressure-and-infectious-complications-in-a-porcine-model
#5
Christopher J Loftus, Bryan Hinck, Iryna Makovey, Sri Sivalingam, Manoj Monga
OBJECTIVE: To determine how sheath and endoscope size affect intrarenal pelvic pressures and risk of postoperative infectious complications comparing "Mini" vs "Standard" percutaneous nephrolithotomy (PCNL). MATERIALS AND METHODS: Uropathogenic Escherichia coli were grown and 109 of them were instilled into the porcine renal pelvis through retrograde access for 1 hour. Percutaneous access utilized a 14/16F 20 cm ureteral access sheath for the Mini arm and a 30F sheath for the Standard arm...
April 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29298239/resuscitative-endovascular-balloon-occlusion-of-the-aorta-for-pelvic-blunt-trauma-and-life-threatening-hemorrhage-a-20-year-experience-in-a-level-i-trauma-center
#6
Audrey Pieper, Frédéric Thony, Julien Brun, Mathieu Rodière, Bastien Boussat, Catherine Arvieux, Jérôme Tonetti, Jean-François Payen, Pierre Bouzat
BACKGROUND: Resuscitative endovascular balloon occlusion of the aorta (REBOA) is increasingly used as a noninvasive clamp of the aorta after diverse posttraumatic injuries. Balloon inflation in zone 3 (from the lower renal artery to the aortic bifurcation) can be performed to stop ongoing bleeding after severe pelvic trauma with life-threatening hemorrhage. The aim of our study was to describe our 20-year experience with REBOA in terms of efficacy and safety in patients with a suspicion of severe pelvic trauma and extreme hemorrhagic shock...
March 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29274599/bowel-obstruction-in-obturator-hernia-a-challenging-diagnosis
#7
L Conti, E Baldini, P Capelli, C Capelli
INTRODUCTION: The obturator hernia is a rare pelvic hernia that often comes in the shape of bowel obstruction caused by the presence of an intestinal segment, more often ileum, passing trough the obturator foramen of the pelvic wall (Fig. 1). This type of hernia accounts for 0.5-1.4% of all hernias. CASE PRESENTATION: We report the clinical case of a 84-year-old woman with no previous surgical interventions, who went to the emergency room complaining of vomit and nausea, bowels closed to gas and stool, which she had experienced for three previous days...
2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29221814/use-of-interventional-radiology-as-initial-hemorrhage-control-to-improve-outcomes-for-potentially-lethal-multiple-blunt-injuries
#8
Hiroyuki Otsuka, Toshiki Sato, Keiji Sakurai, Hiromichi Aoki, Takeshi Yamagiwa, Shinichi Iizuka, Sadaki Inokuchi
INTRODUCTION: Recently, trauma management has been markedly improved with interventional radiology (IVR) and damage-control strategies. However, the indications for its use in hemodynamically unstable patients with severe trauma remains unclear. In some cases, IVR may be more effective than surgery for damage-control hemostasis; however, performing IVR in life-threatening trauma settings is challenging. To address this, we practiced and evaluated a trauma-management system with emergency physicians who trained for both severe trauma management, and techniques of surgery and IVR...
February 2018: Injury
https://www.readbyqxmd.com/read/28816077/in-vitro-evaluation-of-the-occlusive-properties-of-the-artventive-endoluminal-occlusion-system-occlusion-device-for-transrenal-ureteral-occlusion
#9
Daniel Kuetting, Carsten Meyer, Hans Heinz Schild, Claus Christian Pieper
PURPOSE: Current techniques for percutaneous ureteral occlusion are either technically difficult or not satisfactory because of frequent ureteral recanalization. The purpose of this in vitro study was to evaluate the occlusive properties of an "off the shelf" solution (Endoluminal Occlusion System [EOS™]; ArtVentive Medical Group, Inc., Carlsbad, CA) for transrenal ureteral occlusion. MATERIALS AND METHODS: Both 8 and 11 mm expanded polytetrafluoroethylene-covered ArtVentive EOS devices were used in 10 porcine models...
October 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28807646/elevated-renal-pelvic-pressures-during-percutaneous-nephrolithotomy-risk-higher-postoperative-pain-and-longer-hospital-stay
#10
Muhannad Alsyouf, Samuel Abourbih, Benjamin West, Herbert Hodgson, D Duane Baldwin
PURPOSE: Renal pelvic pressure may vary during percutaneous nephrolithotomy. We sought to determine the relationship of postoperative pain to endoscope caliber, renal pelvic pressure and hospital stay. MATERIALS AND METHODS: We reviewed the records of 20 percutaneous nephrolithotomies done under ureteroscopic guidance with renal pelvic pressure monitoring. The ureteroscope working channel was connected to a pressure transducer and used to determine renal pelvic pressure at baseline, when irrigating with a 26Fr rigid nephroscope and a 16Fr flexible nephroscope, and during suction...
January 2018: Journal of Urology
https://www.readbyqxmd.com/read/28802568/the-application-of-suctioning-flexible-ureteroscopy-with-intelligent-pressure-control-in-treating-upper-urinary-tract-calculi-on-patients-with-a-solitary-kidney
#11
Jianrong Huang, Donghua Xie, Ruiping Xiong, Xiaolin Deng, Chengbing Huang, Difu Fan, Zuofeng Peng, Wen Qin, Min Zeng, Leming Song
OBJECTIVE: To investigate the usage of intelligently pressure-controlled flexible ureteroscopy (URS) in managing upper urinary tract calculi in patients with a solitary kidney. METHODS: Forty patients with a solitary kidney and upper urinary tract calculus were included in this study. All the patients underwent suctioning URS with intelligent control of renal pelvic pressure by connecting pressure-measuring suctioning ureteral access sheath to an irrigation and suctioning platform...
January 2018: Urology
https://www.readbyqxmd.com/read/28791874/renal-pelvic-pressure-in-percutaneous-nephrolithotomy-the-effect-of-multiple-tracts
#12
Samuel Abourbih, Muhannad Alsyouf, Alexander Yeo, Jacob Martin, Janna M Vassantachart, Michael Lee, Jonathan Maldonado, Michelle Lightfoot, Roger Li, Gaudencio Olgin, D Duane Baldwin
INTRODUCTION: During percutaneous nephrolithotomy (PCNL), elevated renal pelvic pressures (RPPs) may spread infection through pyelovenous backflow whereas decreased pressures can hinder observation and increase bleeding. The purpose of this study was to evaluate the effects of multiple access tracts and different sized endoscopic equipment on RPP in a porcine model. MATERIALS AND METHODS: RPP was measured in one- vs two-tract access, rigid vs flexible nephroscopy, and suction vs no suction...
October 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28743562/robotic-assisted-laparoscopic-artificial-urinary-sphincter-and-mace-procedure-on-a-pediatric-patient
#13
Paulo Renato Marcelo Moscardi, Natalia Ballesteros, Abd-El-Rahman Abd-El-Barr, Mariarita Salvitti, Miguel Castellan
OBJECTIVE: To describe robotic-assisted laparoscopic artificial urinary sphincter (RAL-AUS) placement and a Malone antegrade continent enema (MACE) procedure on a 6-year-old girl. PATIENTS AND RESULTS: Our patient is a 6-year-old girl with myelomeningocele. She was totally incontinent of urine and chronic constipated despite aggressive bowel regimen. Preoperative workup included renal and bladder ultrasound showing normal findings. Video-urodynamics was also obtained showing low leak point pressure (25 cm H2O) with no reflux...
October 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28680033/left-renal-vein-compression-syndrome-cracking-the-nut-of-clinical-dilemmas-three-cases-and-review-of-literature
#14
REVIEW
Waqas Javed Siddiqui, Abu Bakar, Muhammad Aslam, Hasan Arif, Brian A Bianco, Alexander E Trebelev, Ellie Kelepouris, Sandeep Aggarwal
BACKGROUND The term nutcracker phenomenon (NCP) elucidates anatomical structure and hemodynamics, whereas nutcracker syndrome (NCS) refers to clinical manifestations. We present three cases of similar clinical features of hematuria and flank pain with different clinical outcomes. CASE REPORT Case 1: A 36-year-old Caucasian female with a past medical history (PMH) of HIV infection presented for evaluation of hematuria. Computed tomography (CT) without contrast showed pelvic venous congestion and narrowing of the extra-renal left renal vein (LRV)...
July 6, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28632750/renal-sodium-handling-and-blood-pressure-changes-in-gestational-protein-restricted-offspring-role-of-renal-nerves-and-ganglia-neurokinin-expression
#15
Augusto H Custódio, Marcelo C de Lima, Bárbara Vaccari, Patrícia A Boer, José A R Gontijo
BACKGROUND: Considering long-term changes in renal sodium handling and blood pressure in maternal protein-restricted (LP) offspring, we assumed that the development of LP hypertension results from abnormal dorsal root ganglia (DRG) neurokinin expression associated with impaired responsiveness of renal sensory receptors, promoting a reduced urinary excretion of sodium. The present study investigates whether increased blood pressure in protein-restricted offspring would be associated with changes in the DRG cells and in renal pelvic wall expression of NK1R, SP and CGRP when compared to NP offspring...
2017: PloS One
https://www.readbyqxmd.com/read/28614819/osteoprotegerin-is-the-strongest-predictor-for-progression-of-arterial-calcification-in-peritoneal-dialysis-patients
#16
MULTICENTER STUDY
Marcela Avila, Carmen Mora, María Del Carmen Prado, Miriam Zavala, Ramón Paniagua
BACKGROUND: Arterial calcification (AC) is frequent in patients with end stage renal disease and is also considered a risk factor for later morbidity and mortality. However, long-term factors associated with the process are not well known. We analyzed the trends over time of biomarkers related with development and progression of AC in incident patients on peritoneal dialysis (PD). METHODS: We performed a prospective study with 186 patients on PD followed up for 1 year...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28164035/proximal-ureteral-atresia-a-rare-congenital-anomaly-incidental-finding-a-case-report
#17
Cosimo Bleve, Maria Luisa Conighi, Lorella Fasoli, Valeria Bucci, Francesco Battaglino, Salvatore Fabio Chiarenza
Ureteral atresia is a rare disease usually associated with a non-functioning dysplastic kidney. The condition may be unilateral or bilateral; focal, short or long and may involve any part of the ureter. Association with other urinary anomalies is rare. We report the case of a 10-month-old boy with prenatal diagnosis of multicystic right kidney. This suspicion was confirmed after birth by ultrasound and static scintigraphy; a right vesicoureteral reflux (VUR) was recorded at cystography. The boy presented a regular renal function but was hospitalized twice for suspected pyelonephritis between the 8th and the 10th month of life and were recorded occasional mild changes in blood pressure...
January 2017: Translational Pediatrics
https://www.readbyqxmd.com/read/28088272/comparison-of-renal-pelvic-pressure-and-postoperative-fever-incidence-between-standard-and-mini-tract-percutaneous-nephrolithotomy
#18
COMPARATIVE STUDY
Cheng Wu, Li-Xin Hua, Jian-Zhong Zhang, Xun-Rong Zhou, Wei Zhong, Hao-Dong Ni
This study was proposed to compare the clinical effectiveness of mini-tract percutaneous nephrolithotomy (MPCNL) with standard-tract percutaneous nephrolithotomy (SPCNL) and verify whether MPCNL is associated with both higher renal pelvic pressure (RPP) and incidence of postoperative fever. A total of 228 patients with kidney stone were randomly allocated to the MPCNL group (n=114) and SPCNL group (n=114). Both intraoperative and postoperative indexes along with the incidence of complications were compared between the two treatment groups...
January 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/27932281/nutcracker-syndrome-a-rare-cause-of-left-flank-pain-that-can-also-manifest-as-unexplained-pelvic-pain
#19
Jean-Marie Berthelot, Frédéric Douane, Yves Maugars, Eric Frampas
Nutcracker syndrome (NCS) is symptomatic unilateral renal venous hypertension due to compression of the left renal vein between the superior mesenteric artery and aorta (anterior NCS) or between the aorta and spine (posterior NCS). The left ovarian or spermatic vein empties into the left renal vein and is an additional site of venostasis in about half the cases of NCS. The presenting symptom of NCS in about half the cases is atypical left flank pain suggesting a disorder of the lower ribs or thoracolumbar spinal junction, particularly as the pain worsens with standing and increased lumbar lordosis...
October 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/27845144/re-hmgb1-tlr4-signaling-induces-an-inflammatory-response-following-high-pressure-renal-pelvic-perfusion-in-a-porcine-model
#20
Dean G Assimos
No abstract text is available yet for this article.
December 2016: Journal of Urology
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