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https://www.readbyqxmd.com/read/29761638/ultra-sound-guided-neurolysis-of-six-genicular-nerves-of-knee-for-intractable-pain-from-knee-osteoarthritis-a-case-series
#1
Arif Ahmed, Divesh Arora
INTRODUCTION: Among the elderly populations, the chronic osteoarthritis of knee joint is one of the leading cause of disability and causes considerable pain, joint stiffness and functional limitations. Although knee replacement is a good option for the grade IV osteoarthritis, but many patients failed to undergo surgery due to co-morbidities or other reasons. METHODS: Four patient with severe pain from grade III and IV osteoarthritis of knee joint had underwent ultrasound guided alcohol neurolysis of the six genicular nerves of knee joint after a positive genicular nerve block with local anesthetics...
May 14, 2018: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/29694643/quantitative-analysis-of-the-perimeniscal-position-of-the-inferior-lateral-genicular-artery-ilga-magnetic-resonance-imaging-study
#2
Jiwon Park, Sang Soo Lee, Tae Woo Kim
PURPOSE: The inferior lateral genicular artery (ILGA) passes around the lateral knee joint, adjacent to the lateral meniscus (LM). ILGA injuries in total knee arthroplasty or arthroscopic surgery can result in recurrent hemarthrosis or painful pseudoaneurysms. Detailed information about the perimeniscal position of the ILGA relative to the LM is necessary to avoid these complications. METHODS: 3-T MR images of 100 knees (mean age 36.3 ± 11.2 years) were retrospectively reviewed...
April 24, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29656968/anatomical-features-of-the-descending-genicular-artery-to-facilitate-surgical-exposure-for-the-subvastus-approach-a-cadaveric-study
#3
Yuya Kawarai, Junichi Nakamura, Takane Suzuki, Shigeo Hagiwara, Michiaki Miura, Seiji Ohtori
BACKGROUND: The purpose of this cadaveric study was to clarify the proximal limit for the subvastus approach (SVA) in total knee arthroplasty to decrease potential vascular injury. METHODS: Seventy embalmed knees underwent a modified SVA using a 14-cm oblique medial incision. Anatomical features of the descending genicular artery (DGA) were investigated with regard to variation, distance of the vessels from surgical landmarks, and sex differences. RESULTS: The DGA was identified in 62 knees (89%), while it was absent in 8 knees (11%); in the latter, the articular, saphenous, and muscular branches arose separately from the femoral artery...
March 27, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29655665/descending-genicular-artery-branching-patterns-and-measuring-parameters-a-systematic-review-and-meta-analysis-of-several-anatomical-studies
#4
REVIEW
Thomas Ziegler, Lars-Peter Kamolz, Anna Vasilyeva, Michael Schintler, Maximilian Neuwirth, Daryousch Parvizi
BACKGROUND: The medial femoral condyle (MFC) flap is based on the descending genicular artery (DGA), which is a vessel with different variations in its course and branching patterns. Many studies have dealt with the vascular anatomy of the MFC. However, the results of the investigations differ markedly. METHODS: The authors performed a systematic literature search in MEDLINE for articles published until May 2017 on the vascular anatomy of the DGA. After the screening, 23 relevant studies with a similar topic were included into this comprehensive analysis...
March 28, 2018: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29626612/genicular-radiofrequency-ablation-for-the-treatment-of-post-traumatic-knee-pain-a-case-presentation
#5
Jonathan D Carrier, Michelle Poliak-Tunis
This is the first reported case presentation utilizing cooled genicular radiofrequency ablation (C-RFA) for the treatment of post-traumatic knee pain. The patient is a 29-year-old male who sustained open right femoral and tibial fractures following 2 motor vehicle collisions. He was deemed too young to undergo total knee arthroplasty by orthopedic surgery. It was recommended he trial diagnostic genicular nerve blocks followed by C-RFA. The procedure provided a >50% reduction in average pain with an increase in activity tolerance lasting 9 months...
April 5, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29596192/soft-tissue-reconstruction-of-the-complicated-knee-arthroplasty-principles-and-predictors-of-salvage
#6
David L Colen, Martin J Carney, Valeriy Shubinets, Michael A Lanni, Tiffany Liu, L Scott Levin, Gwo-Chin Lee, Stephen J Kovach
BACKGROUND: Total knee arthroplasty is a common orthopedic procedure in the United States and complications can be devastating. Soft-tissue compromise or joint infection may cause failure of prosthesis requiring knee fusion or amputation. The role of a plastic surgeon in total knee arthroplasty is critical for cases requiring optimization of the soft-tissue envelope. The purpose of this study was to elucidate factors associated with total knee arthroplasty salvage following complications and clarify principles of reconstruction to optimize outcomes...
April 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29565947/fluoroscopic-guided-radiofrequency-of-genicular-nerves-for-pain-alleviation-in-chronic-knee-osteoarthritis-a-single-blind-randomized-controlled-trial
#7
Eman H El-Hakeim, Abdelraheem Elawamy, Emad Zarief Kamel, Samar H Goma, Rania M Gamal, Abeer M Ghandour, Ayman M Osman, Khalid M Morsy
BACKGROUND: Nowadays, pain and disability due to chronic knee arthritis is a very common problem in middle aged people. A lot of modalities for management are available, including conservative analgesics and up to surgical interventions. Radiofrequency ablation of genicular nerves is assumed to be an effective less invasive and safe pain alleviation modality. OBJECTIVES: To evaluate the efficacy of fluoroscopic guided radiofrequency neurotomy of the genicular nerves for alleviation of chronic pain and improvement of function in patients with knee osteoarthritis...
March 2018: Pain Physician
https://www.readbyqxmd.com/read/29557887/anatomical-study-of-the-innervation-of-anterior-knee-joint-capsule-implication-for-image-guided-intervention
#8
John Tran, Philip W H Peng, Karen Lam, Ehtesham Baig, Anne M R Agur, Michael Gofeld
BACKGROUND AND OBJECTIVES: The knee joint is the most common site of osteoarthritis. While joint replacement is considered an ultimate solution, radiofrequency denervation may be contemplated in some cases. Radiofrequency ablation requires precise localization of the articular branches innervating the joint capsule. The objective of this cadaveric study was to determine the source, course, relationships, and frequency of articular branches innervating the anterior knee joint capsule. METHODS: Fifteen knees were meticulously dissected...
May 2018: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29552465/how-to-test-the-anterolateral-ligament-with-ultrasound
#9
Etienne Cavaignac, Gregoire Laumond, Nicolas Reina, Karine Wytrykowski, Jérôme Murgier, Marie Faruch, Philippe Chiron
Ultrasonography (US) is a nonirradiating, low-cost, real-time imaging modality that has very good spatial resolution. US can be used to view the anterolateral ligament (ALL) and injuries to the ALL. Several authors have sought to analyze the anterolateral aspect of the knee using US with varying luck. All of them analyzed the ALL statically only. The goal of this Technical Note is to describe in detail the technique that we use to analyze the anterolateral aspect of the knee in patients with an anterior cruciate ligament tear...
January 2018: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29514315/chemical-neurolysis-of-the-genicular-nerves-for-chronic-knee-pain-reviving-an-old-dog-and-an-old-trick
#10
David R Walega, Zachary L McCormick
No abstract text is available yet for this article.
March 5, 2018: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/29505102/bending-strategies-of-convergently-evolved-articulated-coralline-algae
#11
Kyra G Janot, Patrick T Martone
The evolution of uncalcified genicula in upright calcified corallines has occurred at least three times independently, resulting in articulated corallines within Corallinoideae, Lithophylloideae, and Metagoniolithoideae. Genicula confer flexibility to otherwise rigid thalli, and the localization of bending at discrete intervals amplifies bending stress in genicular tissue. Genicular morphology must, therefore, be balanced between maintaining flexibility while mitigating or resisting stress. Genicula in the three articulated lineages differ in both cellular construction and development, which may result in different constraints on morphology...
March 5, 2018: Journal of Phycology
https://www.readbyqxmd.com/read/29441575/the-dermal-arteries-in-the-cutaneous-angiosome-of-the-descending-genicular-artery
#12
Ines E Tinhofer, Maximilian Zaussinger, Stefan H Geyer, Stefan Meng, Lars-Peter Kamolz, Chieh Han Tzou, Wolfgang J Weninger
Studies examining thick skin of the thumb pad have challenged the existence of an arterial plexus in the papillary dermis. Instead of a plexus, discrete arterial units, interconnected by arterio-arterial anastomoses, were identified. We hypothesise that the dermal arteries of thin skin are arranged likewise and that there are fewer arterio-arterial anastomoses in the centre of an angiosome than in zones where neighbouring angiosomes overlap. To test these hypotheses, we examined the dermal arteries in the centre of the cutaneous angiosome of the descending genicular artery (DGA) and its zone of overlap with neighbouring angiosomes...
February 14, 2018: Journal of Anatomy
https://www.readbyqxmd.com/read/29373202/reconstruction-of-the-mandibular-condyle-using-the-microvascular-lateral-femoral-condyle-flap
#13
S Enzinger, H Bürger, A Gaggl
The lateral femoral condyle (LFC) flap is a new flap first reported in 2015 for the treatment of osteomyelitis in hand surgery. This paper introduces a technique of osteochondral LFC flap harvest for mandibular condyle reconstruction and reports on the use of this flap in temporomandibular joint reconstruction. For condyle resection, a pre-auricular approach saving the temporal artery and vein is performed. A step osteotomy technique is used for condyle resection. LFC harvesting starts with dissection of the popliteal artery and vein...
May 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29357330/ultrasound-guided-genicular-nerve-block-for-knee-osteoarthritis-a-double-blind-randomized-controlled-trial-of-local-anesthetic-alone-or-in-combination-with-corticosteroid
#14
Doo-Hwan Kim, Seong-Soo Choi, Syn-Hae Yoon, So-Hee Lee, Dong-Kyun Seo, In-Gyu Lee, Woo-Jong Choi, Jin-Woo Shin
BACKGROUND: Recently, several studies suggested that radiofrequency (RF) ablation of the genicular nerves is a safe and effective therapeutic procedure for intractable pain associated with chronic knee osteoarthritis (OA). Diagnostic genicular nerve block (GNB) with local anesthetic has been generally conducted before making decisions regarding RF ablation. Although GNB has been recently performed together with corticosteroid, the analgesic effects of corticosteroids for treating chronic pain remain controversial...
January 2018: Pain Physician
https://www.readbyqxmd.com/read/29343888/medial-femoral-condyle-vascularised-corticoperiosteal-graft-a-suitable-choice-for-scaphoid-non-union
#15
Samir Kumta, Sudhir Warrier, Leena Jain, Rani Ummal, Manik Menezes, Shrirang Purohit
Introduction: Scaphoid fractures are not very common and frequently remain undiagnosed, presenting in non-union and persistent wrist pain. Options for scaphoid fracture treatment have been described over several decades, however, none with an optimal solution to achieve union along with good hand function. We describe here, the use of vascularised corticoperiosteal bone grafts from the medial femoral condyle (MFC) as a solution for the difficult problem of scaphoid fracture non-union...
May 2017: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/29300971/a-prospective-randomized-trial-of-prognostic-genicular-nerve-blocks-to-determine-the-predictive-value-for-the-outcome-of-cooled-radiofrequency-ablation-for-chronic-knee-pain-due-to-osteoarthritis
#16
Zachary L McCormick, Rajiv Reddy, Marc Korn, David Dayanim, Raafay H Syed, Meghan Bhave, Mikhail Zhukalin, Sarah Choxi, Ali Ebrahimi, Mark C Kendall, Robert J McCarthy, Dost Khan, Geeta Nagpal, Karina Bouffard, David R Walega
Background and Objectives: Genicular nerve radiofrequency ablation is an effective treatment for patients with chronic pain due to knee osteoarthritis; however, little is known about factors that predict procedure success. The current study evaluated the utility of genicular nerve blocks to predict the outcome of genicular nerve cooled radiofrequency ablation (cRFA) in patients with osteoarthritis. Methods: This randomized comparative trial included patients with chronic knee pain due to osteoarthritis...
December 28, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/29291292/peroneal-nerve-decompression
#17
Mark Corriveau, Jacob D Lescher, Amgad S Hanna
Peroneal neuropathy is a common pathology encountered by neurosurgeons. Symptoms include pain, numbness, and foot drop. When secondary to compression of the nerve at the fibular head, peroneal (fibular) nerve release is a low-risk procedure that can provide excellent results with pain relief and return of function. In this video, the authors highlight key operative techniques to ensure adequate decompression of the nerve while protecting the 3 major branches, including the superficial peroneal nerve, deep peroneal nerve, and recurrent genicular (articular) branches...
January 2018: Neurosurgical Focus
https://www.readbyqxmd.com/read/29201234/efficacy-safety-and-influencing-factors-of-intra-calf-muscular-injection-of-bone-marrow-mononuclear-cells-in-the-treatment-of-type-2-diabetes-mellitus-induced-lower-extremity-vascular-disease
#18
Hui-Min Zhou, Fan Liu, Ai-Ge Yang, Yu-Qing Guo, Ya-Ru Zhou, Yong-Quan Gu, Bao-Yong Yan, Quan-Hai Li
The efficacy, safety and impact of vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF) associated with the intra-calf muscular injection of bone marrow mononuclear cells (BMMCs) in the treatment of type 2 diabetes mellitus (T2DM)-induced lower extremity vascular disease (LEVD) were evaluated. Patients with T2DM-LEVD were randomly divided into a control group and BMMCs group to assess the efficacy and safety of the treatment; serum VEGF and bFGF levels were detected. The BMMCs group was divided into superior genicular artery (SGA) and inferior genicular artery (IGA) subgroups as well as low-dose and high-dose subgroups for the comparison of efficacy indices...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29102985/study-protocol-for-a-randomised-controlled-trial-of-ultrasound-guided-pulsed-radiofrequency-of-the-genicular-nerves-in-the-treatment-of-patients-with-osteoarthritis-knee-pain
#19
Javier Mata, Pedro Valentí, Beatriz Hernández, Bartolome Mir, Jose Luis Aguilar
INTRODUCTION: The goals for the management of patients with osteoarthritis (OA) of the knee are to control pain and to minimise disability. Because the number of patients will increase as the population ages, alternative approaches to alleviate their joint pain other than conventional treatments are necessary. The purpose of this article is to present a refined protocol to determine if there is long-term improvement in pain and function after ultrasound-guided pulsed radiofrequency treatment of the genicular nerves (GNs) in patients with chronic painful knee OA...
November 3, 2017: BMJ Open
https://www.readbyqxmd.com/read/29077955/achieving-meaningful-success-in-studies-of-genicular-nerve-radiofrequency-ablation
#20
Zachary L McCormick, David R Walega
No abstract text is available yet for this article.
October 25, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
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