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Pelvic nerve damage

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https://www.readbyqxmd.com/read/28757357/erectile-dysfunction-following-pelvic-fracture-urethral-injury
#1
REVIEW
Niels V Johnsen, Melissa R Kaufman, Roger R Dmochowski, Douglas F Milam
INTRODUCTION: Although pelvic fracture urethral injuries (PFUIs) are rare, approximately half these patients will report erectile dysfunction (ED) after their injuries. The anatomic relations of the cavernosal nerves and arteries to the bones of the pelvis and the urethra put these structures at significant risk at the time of PFUI. This review examines the epidemiology, evaluation, and management of ED in this patient population. AIM: To evaluate the epidemiology, pathophysiology, diagnosis, and management of patients with ED after PFUI...
July 27, 2017: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/28725617/post-vasectomy-pain-syndrome-diagnosis-management-and-treatment-options
#2
REVIEW
Varsha Sinha, Ranjith Ramasamy
Vasectomy is the most effective form of sterilization for men. With approximately 500,000 vasectomies performed each year in the United States, 1-2% of these patients will experience chronic testicular pain for greater than three months after the procedure. Post-vasectomy pain syndrome (PVPS) is diagnosis of exclusion, and may be caused by direct damage to spermatic cord structures, compression of nerves in the spermatic cord via inflammation, back pressure from epididymal congestion, and perineural fibrosis...
May 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28689459/biomechanical-comparison-of-supraacetabular-external-fixation-and-anterior-pelvic-bridge-plating
#3
Ali Turgay Çavuşoğlu, Fatma Kübra Erbay, Mehmet Hakan Özsoy, Teyfik Demir
Unstable pelvic ring injuries are complex and risky injuries due to high morbidity and mortality. Although anterior pelvic external fixator is a suitable method for rapid stabilization of an injured pelvic ring, due to some disadvantages such as high complication rate, nerve damage, and difficulties of patient's mobility and comfort, there has recently been increased searching for alternative methods for stabilization of the pelvic ring. Pubic symphysis zone freely moves in pelvic models. This study aims to evaluate the biomechanical stability of anterior pelvic bridge plating and compare it with supraacetabular external fixators in an untreated unstable pelvic fracture model...
July 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28681496/transcutaneous-sacral-nerve-stimulation-for-intraoperative-verification-of-internal-anal-sphincter-innervation
#4
D W Kauff, T Moszkowski, C Wegner, A Heimann, K-P Hoffmann, T B Krüger, H Lang, W Kneist
BACKGROUND: The current standard for pelvic intraoperative neuromonitoring (pIONM) is based on intermittent direct nerve stimulation. This study investigated the potential use of transcutaneous sacral nerve stimulation for non-invasive verification of pelvic autonomic nerves. METHODS: A consecutive series of six pigs underwent low anterior rectal resection. For transcutaneous sacral nerve stimulation, an array of ten electrodes (cathodes) was placed over the sacral foramina (S2 to S4)...
July 6, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28643303/-application-of-fascia-orientation-of-pelvic-autonomic-nerve-preservation-in-rectal-cancer-surgery
#5
Xiaobo Liang, Yi Wang, Guolong Ma
Rectal cancer has become the second most common gastrointestinal tumor in our country. With the development of comprehensive treatment, the long-term survival rate of patients with rectal cancer has greatly increased, meanwhile, higher postoperative quality of life is required. But the genitourinary dysfunction which is mainly caused by intraoperative pelvic autonomic nerve damage haunts postoperative rectal cancer patients. Traditional pelvic autonomic nerve protection technology born in the 1980s only improves urogenital function in a part of postoperative patients...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28619043/effect-of-transcutaneous-electrical-stimulation-treatment-on-lower-urinary-tract-symptoms-after-class-iii-radical-hysterectomy-in-cervical-cancer-patients-study-protocol-for-a-multicentre-randomized-controlled-trial
#6
Xiu-Li Sun, Hai-Bo Wang, Zhi-Qi Wang, Ting-Ting Cao, Xin Yang, Jing-Song Han, Yang-Feng Wu, Kathleen H Reilly, Jian-Liu Wang
BACKGROUND: Class III radical hysterectomy (RH III)_plus pelvic lymphadenectomy is the standard surgery for early stage cervical cancer (CC) patients, the 5 year survival rate is about 90%, but pelvic floor disorders especially bladder dysfunction are common due to damaged vessels and nerve fibers following surgery. Transcutaneous electrical stimulation (TENS) treatment has been used to treat bladder disorders for many years, but its effect on cervical cancer patients, the best treatment time point and stimulated protocol, had never been assessed...
June 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28498243/a-controlled-study-on-vaginal-blood-flow-during-sexual-arousal-among-early-stage-cervical-cancer-survivors-treated-with-conventional-radical-or-nerve-sparing-surgery-with-or-without-radiotherapy
#7
Rinske Maria Bakker, Quirine D Pieterse, Luc R C W van Lonkhuijzen, Baptist J B M Z Trimbos, Carien L Creutzberg, Gemma G Kenter, Cor D de Kroon, Moniek M Ter Kuile
OBJECTIVE: Sexual problems among cervical cancer survivors may in part be caused by reduced vaginal blood flow due to damaged hypogastric nerves during radical hysterectomy with pelvic lymphadenectomy and/or by radiation-induced vaginal changes after pelvic radiotherapy. A nerve-sparing modification of radical hysterectomy (NSRH) may preserve vaginal blood flow. Vaginal blood flow during sexual arousal was compared between different treatment modalities. METHODS: We investigated premenopausal women treated for early-stage cervical cancer with radical hysterectomy (n = 29), NSRH (n = 28), NSRH with radiotherapy (n = 14), and controls (n = 31)...
June 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28481856/systematic-review-of-animal-models-used-in-research-of-origins-and-treatments-of-fecal-incontinence
#8
REVIEW
Judith Evers, James F X Jones, P Ronan O'Connell
BACKGROUND: Fecal incontinence is a common disorder, but its pathophysiology is not completely understood. OBJECTIVE: The aim of this review is to present animal models that have a place in the study of fecal incontinence. DATA SOURCES: A literature review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines performed in August 2016 revealed 50 articles of interest. Search terms included fecal/faecal incontinence and animal model or specific species...
June 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28255352/direct-administration-of-nerve-specific-contrast-to-improve-nerve-sparing-radical-prostatectomy
#9
Connor W Barth, Summer L Gibbs
Nerve damage remains a major morbidity following nerve sparing radical prostatectomy, significantly affecting quality of life post-surgery. Nerve-specific fluorescence guided surgery offers a potential solution by enhancing nerve visualization intraoperatively. However, the prostate is highly innervated and only the cavernous nerve structures require preservation to maintain continence and potency. Systemic administration of a nerve-specific fluorophore would lower nerve signal to background ratio (SBR) in vital nerve structures, making them difficult to distinguish from all nervous tissue in the pelvic region...
2017: Theranostics
https://www.readbyqxmd.com/read/28187094/extraperitoneal-radical-trachelectomy-with-pelvic-lymphadenectomy-a-novel-fertility-preserving-option-for-early-stage-cervical-cancer-patients
#10
Seiji Mabuchi, Tadashi Kimura
OBJECTIVE: Radical trachelectomy combined with pelvic lymphadenectomy has been used to treat early stage cervical cancer patients who wish to preserve their fertility. Although vaginal, abdominal, laparoscopic, and robotic approaches have been used during this procedure, all of these approaches cause peritoneal damage, which could result in periadnexal adhesion. The aim of the present study was to introduce and discuss a novel fertility-preserving option, extraperitoneal radical trachelectomy with pelvic lymphadenectomy...
March 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28142352/functional-outcome-of-patients-with-unstable-pelvic-ring-fracture
#11
Yasuo Kokubo, Hisashi Oki, Daisuke Sugita, Kenichi Takeno, Tsuyoshi Miyazaki, Kohei Negoro, Hideaki Nakajima
The purpose of this study was to evaluate factors that correlated with unsatisfactory short- and long-term outcome in patients who sustained unstable pelvic ring fracture. The study subjects of this study were those of type B and C pelvic ring fractures (82 patients; mean age 54 years). Age, gender, associated injuries, fracture type, Injury Severity Score rating and treatment methods were assessed, and Majeed score for functional outcome and radiographic studies at 1 year after injury (short-term) and at final follow-up (long-term), with mean follow-up of 98 months were analyzed...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28059708/impact-of-mr-neurography-in-patients-with-chronic-cauda-equina-syndrome-presenting-as-chronic-pelvic-pain-and-dysfunction
#12
J R Petrasic, A Chhabra, K M Scott
BACKGROUND AND PURPOSE: Chronic cauda equina syndrome, defined as persistent damage of the cauda equina nerve roots within the spinal canal can be a challenging diagnosis with varied presentations. MR neurography imaging is more commonly being used to evaluate the lumbosacral spine of patients suspected of having subacute or chronic cauda equina syndrome. Our aim was to evaluate the impact of lumbosacral plexus MR neurography in the diagnostic thinking and therapeutic management of patients presenting with chronic pelvic pain and dysfunction and suspected chronic cauda equina syndrome...
February 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28032561/expression-of-transient-receptor-potential-ankyrin-1-correlating-to-the-recovery-of-colonic-transit-after-pelvic-nerve-denervation-in-rats
#13
Weidong Tong, Yue Tian, Hanyong Yang, Li Wang, Song Zhao, Huiwen Shi, Feixiang Dai, Jingwang Ye
BACKGROUND: It has been reported that colorectal motility dysfunction due to pelvic nerve (PN) damage is restored overtime. However, the adaptive mechanism is unknown. Previous studies implied that transient receptor potential ankyrin 1 (TRPA1) mediated sensory nerve signal input plays a crucial role in gut motility regulation. The present study aimed to observe the colorectal motility restoration in rats after PN transection and to explore the change of TRPA1 protein expression in this adaptive process...
March 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/27891636/effects-of-pulsed-radiofrequency-neuromodulation-on-the-rat-with-overactive-bladder
#14
En Jen, Tsung-Hsun Hsieh, Tsung-Che Lu, Meng-Chao Chen, Fu-Jung Lee, Chih-Ting Lin, Shih-Ching Chen, Pei-Yi Chu, Chih-Wei Peng, Chii-Wann Lin
AIM: To quantify the effects of pulsed radiofrequency (PRF) electrical stimulations of the pudendal and pelvic nerves on the bladder function of rats with detrusor overactivity. METHODS: All rats were pretreated with a continuous transvesical infusion of 0.5% acetic acid (AA) for inducing detrusor overactivity. Intravesical pressure was recorded using cysometrography (CMG) during the continuous transvesical infusion to examine the effects of PRF electrical stimulation of the pudendal and pelvic nerves individually...
November 28, 2016: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/27875188/pelvis-atlas-based-surgical-planning-for-oncological-pelvic-surgery
#15
Noeska Smit, Kai Lawonn, Annelot Kraima, Marco DeRuiter, Hessam Sokooti, Stefan Bruckner, Elmar Eisemann, Anna Vilanova
Due to the intricate relationship between the pelvic organs and vital structures, such as vessels and nerves, pelvic anatomy is often considered to be complex to comprehend. In oncological pelvic surgery, a trade-off has to be made between complete tumor resection and preserving function by preventing damage to the nerves. Damage to the autonomic nerves causes undesirable post-operative side-effects such as fecal and urinal incontinence, as well as sexual dysfunction in up to 80 percent of the cases. Since these autonomic nerves are not visible in pre-operative MRI scans or during surgery, avoiding nerve damage during such a surgical procedure becomes challenging...
January 2017: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/27672677/left-paraaortic-inframesenteric-lymphadenectomy-preserving-the-superior-hypogastric-plexus-supported-by-indocyanine-green-icg-labeling-of-the-lymphatic-compartment-in-cervical-cancer
#16
Rainer Kimmig, Peter Rusch, Paul Buderath, Bahriye Aktas
Superior hypogastric plexus (SHG) contains mainly sympathetic and most probably also postganglionic parasympathetic fibers. Thus, surgical damage of SHG may cause autonomic pelvic organ dysfunction (Kraima et al., 2015). As already shown for rectal cancer, preservation of the autonomic nerves is facilitated by robotic surgery and may avoid sexual dysfunctions and voiding disorders (Kim et al., 2015). In this educational video, we demonstrate left lower paraaortic lymph node dissection preserving the SHG using ICG fluorescence to label the lymphatic compartment...
November 2016: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/27606711/pelvic-fracture-of-the-sacroiliac-joint-region-in-a-child-a-case-study-and-literature-review
#17
Artur Oberc, Jerzy Sułko
The aim of the paper is to present the case of a 3-year-old boy with an unaligned fracture of the sacroiliac joint region to propose a minimally invasive method of fracture fixation without using metal implants and to review the literature addressing this injury, which is uncommon in children. The patient was hit by a car; he suffered a fracture of the iliac ala with a complete traumatic damage to the L4-L5 nerve roots. The fracture was fixated by osteosuture and normal bone fusion was achieved. The follow-up period was 4 years...
September 8, 2016: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/27484071/-minimal-invasive-fixation-of-pelvic-injury-ct-study-of-the-pelvic-bone-dimensions
#18
V Džupa, J Němec, Z Pavlíčko, M Laboš, J Šrám, S Taller, V Báča
UNLABELLED: PURPOSE OF THE STUDY This radiographic study was focused on measuring the dimensions of pelvic bones at sites of minimally invasive screw insertion with the aim to assess the risk of damage to vascular and nervous structures. MATERIAL AND METHODS The group consisted of 77 patients (39 women and 38 men) aged between 19 and 85 years (average, 65; women, 65; men, 64) who underwent CT examination of the pelvis because of reasons other than injury. On the left side, a total of 14 dimensions of the superior pubic ramus, supraacetabular region, retroacetabular region, quadrilateral surface of the acetabulum and lateral foraminal sides of the S1 and S2 vertebral bodies were measured...
2016: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/27385133/the-functional-results-of-radical-rectal-cancer-surgery-review-of-the-literature
#19
REVIEW
Audrius Dulskas, Povilas Miliauskas, Renatas Tikuisis, Ricardo Escalante, Narimantas E Samalavicius
Introduction For more than the last 20 years, low anterior resection with total mesorectal excision (TME) is a gold standard for rectal cancer treatment. Oncological outcomes have improved significantly and now more and more reports of functional outcomes appear. Due to the close relationship between the rectum and pelvic nerves, bowel, bladder, and sexual function are frequently affected during TME. Methods A search for published data was performed using the MEDLINE database (from 1 January 2005 to 31 January 2015) to perform a systematic review of the studies that described anorectal, bladder, and sexual dysfunction following rectal cancer surgery...
February 2016: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/27343565/inferior-gluteal-and-other-nerves-associated-with-sacrospinous-ligament-a-cadaver-study
#20
Maria E Florian-Rodriguez, Adam Hare, Kathryn Chin, John N Phelan, Christopher M Ripperda, Marlene M Corton
BACKGROUND: Reported rates of gluteal pain after sacrospinous ligament fixation range from 12-55% in the immediate postoperative period and from 4-15% 4-6 weeks postoperatively. The source of gluteal pain often is attributed to injury to the nerve to levator ani or pudendal nerve. The inferior gluteal nerve and other sacral nerve branches have not been examined thoroughly as potential sources of gluteal pain. OBJECTIVES: The purpose of this study was to further characterize anatomy of the inferior gluteal nerve and other nerves that are associated with the sacrospinous ligament from a combined gluteal and pelvic approach and to correlate findings to sacrospinous ligament fixation...
November 2016: American Journal of Obstetrics and Gynecology
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