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Saphenous nerve

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https://www.readbyqxmd.com/read/29457436/-clinical-application-of-tibial-composite-saphenous-nervetissue-flap-for-the-treatment-of-traumatic-bone-skin-defect-of-leg
#1
Zhi-Wei Zhao, Wen-Jing Liu, Zhu-Qing Zha, Yan-Feng Li, Hui-Jun Fan
OBJECTIVE: To investigate the effect of tibial composite saphenous nerve tissue flap in repairing traumatic bone-skin defect of leg. METHODS: From February 2009 to May 2015, 23 patients with focile skin defect caused by trauma were treated, including 18 males and 5 females, aged from 8 to 59 years old with an average age of 35.6 years old. Length of tibia bone cortex defect ranged from 4 to 12 cm, width ranged from 2 to 2.5cm, skin defect ranged from 8 cm× 3 cm to 18 cm× 11 cm, all the wound surfaces had purulent exudation...
December 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29445501/saphenous-nerve-block-as-a-diagnosis-tool-for-chronic-postsurgical-pain-of-the-left-medial-calf
#2
Dan Sebastian Dîrzu, Theodor Boţ, Constantin Ciuce
Ultrasound-guided saphenous nerve block above the knee may be a valuable diagnosis tool in patient presenting chronic pain of the calf.
February 2018: Clinical Case Reports
https://www.readbyqxmd.com/read/29439703/characterizing-the-transcutaneous-electrical-recruitment-of-lower-leg-afferents-in-healthy-adults-implications-for-non-invasive-treatment-of-overactive-bladder
#3
Eshani Sharan, Kelly Hunter, Magdy Hassouna, Paul B Yoo
BACKGROUND: As a potential new treatment for overactive bladder (OAB), we investigated the feasibility of non-invasively activating multiple nerve targets in the lower leg. METHODS: In healthy participants, surface electrical stimulation (frequency = 20 Hz, pulse width = 200 μs) was used to target the tibial nerve, saphenous nerve, medial plantar nerve, and lateral plantar nerve. At each location, the stimulation amplitude was increased to define the thresholds for evoking (1) cutaneous sensation, (2) target nerve recruitment and (3) maximum tolerance...
February 13, 2018: BMC Urology
https://www.readbyqxmd.com/read/29430496/injury-to-the-infrapatellar-branch-of-the-saphenous-nerve-during-acl-reconstruction-with-hamstring-tendon-autograft-a-comparison-between-oblique-and-vertical-incisions
#4
Hamid Mousavi, Mohammad Mohammadi, Hossein Akbari Aghdam
Background: Injury to the infrapatellar branch of the saphenous nerve (IPBSN) is common after arthroscopic ACL reconstruction with hamstring tendon autograft, as reported in up to 88% of the cases. Due to close relationship between the IPBSN with pes anserine tendons insertion skin incision may sever IPBSN while harvesting gracillis and semitendinous tendons. As the IPBSN course at the anterior of knee is oblique, we hypothesized a parallel skin incision with nerve passage may decrease nerve injury...
January 2018: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29423546/association-between-incision-technique-for-hamstring-tendon-harvest-in-anterior-cruciate-ligament-reconstruction-and-the-risk-of-injury-to-the-infra-patellar-branch-of-the-saphenous-nerve-a-meta-analysis
#5
REVIEW
Alberto Grassi, Francesco Perdisa, Kristian Samuelsson, Eleonor Svantesson, Matteo Romagnoli, Federico Raggi, Teide Gaziano, Massimiliano Mosca, Olufemi Ayeni, Stefano Zaffagnini
PURPOSE: To determine how the incision technique for hamstring tendon (HT) harvest in anterior cruciate ligament (ACL) reconstruction affects the risk of injury to the IPBSN and clinical outcome. METHODS: A systematic literature search of the MEDLINE/Pubmed, Cochrane Central Register of Controlled Trials (CENTRAL) and EBSCOhost electronic databases and clinicaltrials.gov for unpublished studies was performed to identify comparative studies investigating injury to the IPBSN after HT ACL reconstruction by comparing at least two different incision techniques...
February 8, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29397317/a-finite-element-modeling-study-of-peripheral-nerve-recruitment-by-percutaneous-tibial-nerve-stimulation-in-the-human-lower-leg
#6
Christopher W Elder, Paul B Yoo
Percutaneous tibial nerve stimulation (PTNS) is a clinical therapy for treating overactive bladder (OAB), where an un-insulated stainless steel needle electrode is used to target electrically the tibial nerve (TN) in the lower leg. Recent studies in anesthetized animals not only confirm that bladder-inhibitory reflexes can be evoked by stimulating the TN, but this reflex can also be evoked by stimulating the adjacent saphenous nerve (SAFN). Although cadaver studies indicate that the TN and major SAFN branch(es) overlap at the location of stimulation, the extent to which SAFN branches are co-activated is unknown...
January 31, 2018: Medical Engineering & Physics
https://www.readbyqxmd.com/read/29389699/use-of-vascularized-sural-nerve-grafts-for-sciatic-nerve-reconstruction-after-malignant-bone-and-soft-tissue-tumor-resection-in-the-lower-legs
#7
Hideki Tokumoto, Shinsuke Akita, Yoshitaka Kubota, Motone Kuriyama, Nobuyuki Mitsukawa
BACKGROUND: Vascularized nerve grafting is normally associated with a good outcome, but can be difficult to use for nerve reconstruction in patients with long defects of the sciatic nerve given the graft thickness. We report 3 cases of large defect sciatic nerve reconstruction using the bilateral sural nerves of the lower legs harvested together with the fascia and lesser saphenous vein to form a vascularized flap. METHODS: The subjects were 3 patients who required the reconstruction of a 10-cm or longer segment of the sciatic nerve...
January 31, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29373454/double-oblique-osteotomy-a-technique-for-correction-of-posttraumatic-deformities-of-the-distal-femur
#8
Michael A Miranda, Joseph P DeAngelis, George H Canizares, Jeffery W Mast
OBJECTIVE: To evaluate the outcomes of a double oblique osteotomy for the management of distal femoral malunions and a combination malunion/nonunion. DESIGN: Case series. SETTING: Level 1/2 hospital. PATIENTS/PARTICIPANTS: Ten patients with a mean age of 50 years (range 30-69 years) with posttraumatic deformities of the distal femur. INTERVENTION: A 2-level, length-sparing osteotomy was performed in accordance with a detailed preoperative plan for correction of the mechanical axis in a distal femoral deformity...
February 2018: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29319609/joint-nociceptor-nerve-activity-and-pain-in-an-animal-model-of-acute-gout-and-its-modulation-by-intra-articular-hyaluronan
#9
Aida Marcotti, Ana Miralles, Eduardo Dominguez, Eliseo Pascual, Ana Gomis, Carlos Belmonte, Elvira de la Peña
The mechanisms whereby monosodium urate (MSU) crystals deposition in gout activate nociceptors to induce joint pain are incompletely understood. We tried to reproduce the signs of painful gouty arthritis, injecting into the knee joint of rats suspensions containing amorphous or triclinic, needle MSU crystals. The magnitude of MSU-induced inflammation and pain behavior signs was correlated with the changes in firing frequency of spontaneous and movement-evoked nerve impulse activity recorded in single knee joint nociceptor saphenous nerve fibers...
January 9, 2018: Pain
https://www.readbyqxmd.com/read/29280006/minimally-invasive-unicompartmental-knee-arthroplasty
#10
REVIEW
Jean-Yves Jenny
The exact indication for a unicompartmental knee arthroplasty (UKA) remains debated. Minimally invasive techniques have been developed to decrease the surgical trauma related to the prosthesis implantation, and this technique is well fitted to UKA. However, there are concerns about loss of accuracy with minimally invasive techniques. Furthermore, rapid recovery techniques have been developed in order to reduce the length of hospital stay. Again, UKA is well fitted to these new developments of postoperative care...
December 26, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29206803/clinical-indicators-of-the-need-for-telemetry-postoperative-monitoring-in-patients-with-suspected-obstructive-sleep-apnea-undergoing-total-knee-arthroplasty
#11
Kethy M Jules-Elysée, Natasha A Desai, Yan Ma, Wei Zhang, Thuyvan H Luu, Stavros G Memtsoudis, Gregory A Liguori
BACKGROUND AND OBJECTIVES: Obstructive sleep apnea is associated with increased complication rates postoperatively. Current literature does not provide adequate guidance on management of these patients. This study used the STOP-Bang questionnaire to diagnose patients with possible obstructive sleep apnea (score ≥3). We hypothesized that a STOP-Bang score of 3 or greater would significantly correlate with the number of oxygen desaturation episodes during the first 48 hours after total knee arthroscopy...
December 4, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29202765/a-novel-technique-for-modified-all-inside-repair-of-bucket-handle-meniscus-tears-using-standard-arthroscopic-portals
#12
Jing Hui Yik, Bryan Thean Howe Koh, Wilson Wang
BACKGROUND: Bucket-handle meniscus tears (BHMT) are often displaced and unstable. The inside-out technique of repairing such tears is currently the gold standard. All-inside repair with meniscal fixators is getting increasingly popular. Shortcomings of the inside-out technique include neurovascular complications, especially saphenous nerve palsy, and retention of a non-resorbable suture which can result in discomfort to patient, granuloma formation, and a foci of infection. Hence, the purpose of this project was to innovate a novel all-inside technique to precisely reduce and fix BHMT while avoiding neurovascular complications and retention of a non-resorbable suture...
December 4, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29194125/nav1-7-and-pain-contribution-of-peripheral-nerves
#13
Tal Hoffmann, Ohad Sharon, Jürgen Wittmann, Richard W Carr, Alina Vyshnevska, Roberto De, Mohammed A Nassar, Peter W Reeh, Christian Weidner
The sodium channel NaV1.7 contributes to action potential generation and propagation. Loss-of-function mutations in patients lead to congenital indifference to pain, though it remains unclear where on the way from sensory terminals to CNS the signalling is disrupted. We confirm that conditional deletion of NaV1.7 in advillin expressing sensory neurons leads to impaired heat and mechanical nociception in behavioural tests. With single-fiber recordings from isolated skin we found (1) a significantly lower prevalence of heat responsiveness to in normally mechanosensitive C-fibers, although (2) the rare heat responses appeared quite vigorous and (3) heat-induced CGRP release was normal...
November 24, 2017: Pain
https://www.readbyqxmd.com/read/29178203/the-anatomy-of-the-musculocutaneous-latissimus-dorsi-flap-for-neophalloplasty
#14
M Dennis, A Granger, A Ortiz, M Terrell, M Loukos, J Schober
In transgender surgery, the ideal neophallus is one that: (a) is constructed using a reproducible procedure, (b) possesses tactile and erogenous sensation, (c) is large and rigid enough (naturally, or using a prosthesis) to permit penetrative intercourse, (d) leaves acceptable donor site morbidity, (e) results in esthetically satisfactory appearance, and (f) allows for voiding while standing. The musculocutaneous latissimus dorsi (MLD) flap has favorable results in the area of neophalloplasty. Among its advantages are acceptable donor site appearance, stiffness sufficient for intercourse, and esthetically satisfactory genital appearance...
November 27, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/29099295/femoral-nerve-transfers-for-restoring-tibial-nerve-function-an-anatomical-study-and-clinical-correlation-a-report-of-2-cases
#15
Amy M Moore, Emily M Krauss, Rajiv P Parikh, Michael J Franco, Thomas H Tung
Sciatic nerve injuries cause debilitating functional impairment, particularly when the injury mechanism and level preclude reconstruction with primary grafting. The purpose of this study was to demonstrate the anatomical feasibility of nerve transfers from the distal femoral nerve terminal branches to the tibial nerve and to detail the successful restoration of tibial function using the described nerve transfers. Six cadaveric legs were dissected for anatomical analysis and the development of tension-free nerve transfers from femoral nerve branches to the tibial nerve...
November 3, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29094390/reconstruction-of-a-long-defect-of-the-ulnar-artery-and-nerve-with-an-arterialized-neurovenous-free-flap-in-a-teenager-a-case-report-and-literature-review
#16
Diogo Casal, Diogo Pais, Eduarda Mota-Silva, Giovanni Pelliccia, Inês Iria, Paula A Videira, Maria Manuel Mendes, João Goyri-O'Neill, Maria Manuel Mouzinho
There is evidence that nerve flaps are superior to nerve grafts for bridging long nerve defects. Moreover, arterialized neurovenous flaps (ANVFs) have multiple potential advantages over traditional nerve flaps in this context. This paper describes a case of reconstruction of a long defect of the ulnar artery and nerve with an arterialized neurovenous free flap and presents a literature review on this subject. A 16-year-old boy sustained a stab wound injury to the medial aspect of the distal third of his right forearm...
November 2, 2017: Microsurgery
https://www.readbyqxmd.com/read/29070575/saphenous-nerve-stimulation-normalizes-bladder-underactivity-induced-by-tibial-nerve-stimulation-in-cats
#17
Shun Li, Xing Li, Katherine Theisen, Jeffrey Browning, Bing Shen, Jicheng Wang, James R Roppolo, William C de Groat, Changfeng Tai
This study in α-chloralose anesthetized cats aimed at investigating the bladder responses to saphenous nerve stimulation (SNS). A urethral catheter was used to infuse the bladder with saline and to record changes in bladder pressure. With the bladder fully distended, SNS at 1 Hz frequency and an intensity slightly below the threshold (T) for inducing an observable motor response of the hindlimb muscles induced large amplitude (40-150 cmH2O) bladder contractions. Application of SNS (1 Hz, 2-4T) during cystometrograms (CMGs), when the bladder was slowly (1-3 ml/min) infused with saline, significantly (p<0...
October 25, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29062660/scar-tissue-causing-saphenous-nerve-entrapment-percutaneous-scar-release-and-fat-grafting
#18
Martin Ulloa, Mauricio Coronel Banda
Painful neuropathies can be caused by nerve compression or neuromas. Nerve compressions can arise from scar adhesions causing painful posttraumatic entrapment of nerve branches via fibrosis. The classical treatment methods include neurolysis and nerve transposition. In this case, we present the treatment of recurrent scar entrapment of the saphenous nerve with percutaneous neurolysis and lipofilling in a patient who had previously undergone an open neurolysis procedure. Resolution of the condition without any complications was noted during the 2-month clinical follow-up...
September 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29037363/a-systematic-review-and-meta-analysis-of-two-novel-techniques-of-nonthermal-endovenous-ablation-of-the-great-saphenous-vein
#19
REVIEW
Cornelis G Vos, Çağdaş Ünlü, Jan Bosma, Clarissa J van Vlijmen, A Jorianne de Nie, Michiel A Schreve
BACKGROUND: Endothermal treatment of the great saphenous vein (GSV) has become the first-line treatment for superficial venous reflux. Nonthermal ablation has potential benefits for acceptability by patients and decreased risk of nerve injury. We performed a systematic review and meta-analysis to evaluate the efficacy of mechanochemical endovenous ablation (MOCA) and cyanoacrylate vein ablation (CAVA) for GSV incompetence. METHODS: MEDLINE, Embase, Cumulative Index to Nursing and Allied Health Literature, and Cochrane databases were searched for papers published between January 1966 and December 2016...
November 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28987316/bypass-for-symptomatic-in-stent-carotid-restenosis
#20
Francesco Stilo, Pasqualino Sirignano, Nunzio Montelione, Wassim Mansour, Laura Capoccia, Vincenzo Catanese, Francesco Spinelli, Francesco Speziale
BACKGROUND: To evaluate early and long-term outcomes of symptomatic patients treated for in-stent carotid restenosis (ISR) with carotid bypass (CB). METHODS: Data were retrospectively collected from a prospectively compiled database on patients treated with CB in two high-volume Italian centers between 2008 and 2016, for symptomatic high-grade ISR after CAS. After carotid endarterectomy and stent removal, a greater saphenous vein (GSV) was preferentially employed as the graft; when the GSV was not accessible, a 6mm polytetrafluoroethylene (PTFE) graft was implanted...
December 15, 2017: International Journal of Cardiology
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