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Medial epicondyle

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https://www.readbyqxmd.com/read/28205469/valgus-instability-of-the-elbow-due-to-medial-epicondyle-nonunion-treatment-by-fragment-excision-and-medial-collateral-ligament-reconstruction
#1
Yasunori Kaneshiro, Noriaki Hidaka, Koichi Yano, Makoto Fukuda, Hideki Sakanaka
BACKGROUND: The medial epicondyle nonunion becomes symptomatic valgus instability with medial elbow pain and joint instability due to dysfunction of the medial collateral ligament (MCL), thus requiring surgical treatment. The purpose of the present study is to report the clinical result of the fragment excision and ligament reconstruction by free tendon graft in the treatment of symptomatic medial epicondyle nonunion. METHODS: A retrospective study of five consecutive patients was performed...
March 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28168131/radiological-and-functional-outcome-of-medial-epicondyle-fracture-treated-surgically-in-children-and-adolescents-a-retrospective-study
#2
Sagar Panthi, Kishor Khatri, Krishna Kharel, Raju Vaishya, Amit Kumar Agarwal, Vipul Vijay
PURPOSE: Fractures of the medial humeral epicondyle represent approximately 10% of all pediatric elbow fractures. Surgically treated pediatric fractures of the medial humeral epicondyle were analyzed retrospectively for their epidemiological, clinical, radiological and surgical parameters. The evaluation includes the Mayo elbow performance score (MEPS). METHODS: Twenty-five surgically treated fractures of the medial humeral epicondyle were analyzed...
January 4, 2017: Curēus
https://www.readbyqxmd.com/read/28116949/the-effect-of-in-situ-decompression-on-ulnar-nerve-stability-a-cadaveric-study
#3
B Butler, J Peelman, L-Q Zhang, M Kwasny, D Nagle
Ten fresh frozen right cadaver arms were placed in a motorized jig and an in-situ ulnar nerve decompression was performed in 5 mm increments distally to the flexor carpi ulnaris (FCU) aponeurosis then proximally to the intermuscular septum. The elbows were ranged 0-135° after each incremental decompression and the ulnar nerve to medial epicodyle distance was measured to assess for nerve translation/subluxation compared with baseline (prerelease) values. None of the specimens had ulnar nerve subluxation (defined as anterior translation past the medial epicondyle) even after full decompression...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28089807/ultrasonography-detects-ulnar-nerve-dislocation-despite-normal-electrophysiology-and-magnetic-resonance-imaging
#4
Jared M Pisapia, Zarina S Ali, Eric D Hudgins, Viviane Khoury, Gregory G Heuer, Eric L Zager
BACKGROUND: Dislocation of the ulnar nerve (UN) occurs in a subset of patients with ulnar neuropathy. Electrodiagnostic and magnetic resonance imaging (MRI) studies are performed to support the clinical diagnosis. We report the case of a patient with ulnar neuropathy with normal electrodiagnostic and MRI studies but with ultrasonography (US) showing UN dislocation, which prompted successful treatment by UN submuscular transposition. CASE DESCRIPTION: A healthy 15-year-old female softball player presented with right medial elbow pain and paresthesias of the fourth and fifth digits...
January 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27900340/retropatellar-accessory-portals-for-improved-access-to-the-patella-anatomic-description-and-evaluation-of-safety
#5
Jason L Koh, Anthony L Logli
BACKGROUND: Standard knee arthroscopy portals are frequently used to address retropatellar chondral pathology. Alternative portals may offer a safe and simple substitute, particularly when reaching the base of deep lesions is required. PURPOSE: To describe and assess the safety of accessory retropatellar portals. STUDY DESIGN: Descriptive laboratory study. METHODS: An anatomic study was performed on 10 fresh-frozen cadaveric knees...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27875620/a-reliable-technique-for-ultrasound-guided-perineural-injection-in-ulnar-neuropathy-at-the-elbow
#6
Ulrike M Hamscha, Ines Tinhofer, Stefan Heber, Wolfgang Grisold, Wolfgang J Weninger, Stefan Meng
INTRODUCTION: Ulnar neuropathy at the elbow (UNE) is a common peripheral compression neuropathy and, in most cases, occurs at 2 sites, the retroepicondylar groove or the cubital tunnel. With regard to a potential therapeutic approach with perineural corticosteroid injection, the aim of this study was to evaluate the distribution of injection fluid applied at a standard site. METHODS: We performed ultrasound-guided (US-guided) perineural injections to the ulnar nerve halfway between the olecranon and the medial epicondyle in 21 upper limbs from 11 non-embalmed cadavers...
November 22, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/27861213/what-s-new-in-pediatric-medial-epicondyle-fractures
#7
Jennifer J Beck, Richard E Bowen, Mauricio Silva
BACKGROUND: Medial epicondyle fractures are predominantly seen in adolescent, male patients. Historically, nonoperative intervention was the mainstay of treatment. With increasing upper extremity demands of young athletes and reports of valgus instability after nonoperative treatment, there has been an increased interest in operative indications. Controversy regarding proper imaging and measurement of displacement complicates decision-making algorithms. Review of recent literature is required for improved decision making...
November 17, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/27859367/complete-dislocation-of-the-ulnar-nerve-at-the-elbow-a-protective-effect-against-neuropathy
#8
A Arturo Leis, Benn E Smith, Heidi E Kosiorek, Gregor Omejec, Simon Podnar
INTRODUCTION: Recurrent complete ulnar nerve dislocation has been perceived as a risk factor for development of ulnar neuropathy at the elbow (UNE). However, the role of dislocation in the pathogenesis of UNE remains uncertain. METHODS: We studied 133 patients with complete ulnar nerve dislocation to determine if this condition is a risk factor for UNE. In all, the nerve was palpated as it rolled over the medial epicondyle during elbow flexion. RESULTS: Of 56 elbows with unilateral dislocation UNE localized contralaterally in 17 (30...
November 18, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/27821959/preliminary-study-of-optimal-measurement-location-on-vibroarthrography-for-classification-of-patients-with-knee-osteoarthritis
#9
Susumu Ota, Akiko Ando, Yusuke Tozawa, Takuya Nakamura, Shogo Okamoto, Takenobu Sakai, Kazunori Hase
[Purpose] The aims of the present study were to investigate the most suitable location for vibroarthrography measurements of the knee joint to distinguish a healthy knee from knee osteoarthritis using Wavelet transform analysis. [Subjects and Methods] Participants were 16 healthy females and 17 females with severe knee osteoarthritis. Vibroarthrography signals were measured on the medial and lateral epicondyles, mid-patella, and tibia using stethoscopes with a microphone while subjects stood up from a seated position...
October 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27816532/visualization-of-the-soft-tissues-at-the-lateral-and-medial-epicondyles-of-the-elbow
#10
Kimia Kani, Jack Porrino, Nirvikar Dahiya, Mihra Taljanovic, Hyojeong Mulcahy, Felix Chew
No abstract text is available yet for this article.
November 2, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27815973/validation-of-preoperative-nerve-conduction-studies-by-intraoperative-studies-in-patients-with-ulnar-neuropathy-at-the-elbow
#11
Gregor Omejec, Krešimir Božikov, Simon Podnar
OBJECTIVE: To validate the findings of preoperative motor short-segment nerve conduction studies (SSNCSs) by intraoperative SSNCSs in patients with cubital tunnel syndrome. METHODS: We prospectively recruited patients with ulnar neuropathy at the elbow (UNE) localized distal to the medial epicondyle (ME). Preoperatively, motor SSNCSs and ultrasonography (US) were performed. Immediately after surgical dissection of the humeroulnar aponeurotic arcade (HUA), intraoperative near-nerve motor SSNCSs were performed, and compared to preoperative findings...
December 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/27810431/clinical-results-after-treatment-for-bidirectional-patellar-subluxation-minimum-2-years-follow-up
#12
Michael Saper, Candice Brady, Robert Zondervan, David Shneider
BACKGROUND: We describe the preliminary clinical results of a patellar stabilization technique to treat bidirectional patellar subluxation (BPS). METHODS: Patients: six patients (one male, five females; mean age 30.2years) underwent this procedure with a minimum of 24months follow-up. Patients were assessed for clinical instability, patellar complications, and need for revision surgery. Patient functional outcomes were evaluated using the criteria of Crosby and Insall and the Kujala Anterior Knee Pain Scale at the time of final follow-up...
December 2016: Knee
https://www.readbyqxmd.com/read/27799707/is-ultrasonography-useful-in-the-diagnosis-of-the-polyneuropathy-in-diabetic-patients
#13
Mehmet Agirman, Ilker Yagci, Merve Akdeniz Leblebicier, Demet Ozturk, Gulseren Derya Akyuz
[Purpose] The aim of this study was to investigate the usefulness of ultrasonography for the diagnosis of polyneuropathy in diabetic patients by examination of the median and ulnar nerves. [Subjects and Methods] Sixty-three diabetic patients and fourteen controls were enrolled in the study. Nerve conduction studies were performed on both upper and lower limbs. Median and ulnar nerve cross-sectional areas were measured at the wrist and forearm levels in 140 hands by ultrasound. [Results] The median nerve cross-sectional area was increased at the hook of hamatum, pisiform bone, and radioulnar joint levels in patients with carpal tunnel syndrome...
September 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27793407/multibody-kinematics-optimization-with-marker-projection-improves-the-accuracy-of-the-humerus-rotational-kinematics
#14
Mickaël Begon, Colombe Bélaise, Alexandre Naaim, Arne Lundberg, Laurence Chèze
Markers put on the arm undergo large soft tissue artefact (STA). Using markers on the forearm, multibody kinematics optimization (MKO) helps improve the accuracy of the arm kinematics especially its longitudinal rotation. However deleterious effect of STA may persist and affect other segment estimate. The objective was to present an innovative multibody kinematics optimization algorithm with projection of markers onto a requested axis of the local system of coordinates, to cancel their deleterious effect on this degree-of-freedom...
October 20, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27791975/wide-decompression-may-render-the-ulnar-nerve-unstable-a-cadaveric-study
#15
Andrew P Hurvitz, Brian T Fitzgerald, Leo T Kroonen
The purpose of this study was to evaluate for ulnar nerve instability following incrementally widened in situ decompression. A standard release of the ulnar nerve was performed in 16 cadaveric elbows, extending from 7cm distal to the medial epicondyle, and then released proximally for a total of 10 cm in 2-cm increments. Eight of the 16 elbows (50%) displayed subluxation of the ulnar nerve following complete in situ decompression. The rate of subluxation was found to increase with increasing length of proximal decompression...
December 0: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/27741036/outcomes-of-nonoperative-pediatric-medial-humeral-epicondyle-fractures-with-and-without-associated-elbow-dislocation
#16
Derrick M Knapik, Cameron L Fausett, Allison Gilmore, Raymond W Liu
BACKGROUND: Medial epicondyle fractures may occur in isolation or with associated elbow dislocation. In the absence of open fracture or fragment incarceration, nonoperative management with immobilization has been shown to result in generally successfully outcomes comparable with those reported after surgical fixation. However, no comparative investigation has assessed outcomes after nonoperative treatment based on the presence or absence of elbow dislocation. METHODS: A systematic review was conducted investigating all studies in the literature reporting nonoperative outcomes for isolated medial epicondyle fractures and fracture-dislocations...
October 12, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/27697406/diagnostic-value-of-ultrasonography-in-elbow-trauma-in-children-prospective-study-of-34-cases
#17
M Burnier, G Buisson, A Ricard, V Cunin, J P Pracros, F Chotel
INTRODUCTION: Among the various elbow injuries in children that initially have normal radiographs, a certain number of occult fractures are only diagnosed correctly after the fact, during a follow-up visit. PURPOSE: This study evaluated the diagnostic contribution of ultrasonography in the treatment of acute elbow injuries in children and the strategic and economic impact of using this tool alongside radiography. MATERIALS AND METHODS: During this prospective study performed between January 1 and April 1 2014, elbow ultrasonography was performed within 6 days in all children under 15 years of age with a suspected occult fracture...
September 30, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27633815/vascular-territories-of-the-medial-upper-arm-an-anatomic-study-of-the-vascular-basis-for-individualized-flap-design
#18
Ines E Tinhofer, Chieh-Han J Tzou, Dominik Duscher, Michael S Pollhammer, Wolfgang J Weninger, Georg M Huemer, Manfred Schmidt
BACKGROUND: Fasciocutaneous flaps supplied by discrete perforator arteries can be raised in numerous parts of the human body and are routinely used in plastic surgery. The aim of this anatomical investigation was to provide a description of the vascular supply of the medial upper arm, to localize and measure the perforator arteries and to define potential perforator flap dimensions in pendency of individual anatomical conditions. MATERIAL AND METHODS: A total of 20 upper limbs from 11 fresh cadavers were examined...
September 16, 2016: Microsurgery
https://www.readbyqxmd.com/read/27631645/origin-and-insertion-of-the-medial-patellofemoral-ligament-a-systematic-review-of-anatomy
#19
Arash Aframian, Toby O Smith, T Duncan Tennent, Justin Peter Cobb, Caroline Blanca Hing
PURPOSE: The medial patellofemoral ligament (MPFL) is the major medial soft-tissue stabiliser of the patella, originating from the medial femoral condyle and inserting onto the medial patella. The exact position reported in the literature varies. Understanding the true anatomical origin and insertion of the MPFL is critical to successful reconstruction. The purpose of this systematic review was to determine these locations. METHODS: A systematic search of published (AMED, CINAHL, MEDLINE, EMBASE, PubMed and Cochrane Library) and unpublished literature databases was conducted from their inception to the 3 February 2016...
September 8, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27630831/unilateral-existence-of-chondro-epitrochlearis-its-embryological-perspectives-and-clinical-implications
#20
Abhinitha Padavinangadi, Naveen Kumar, Mohandas Kg Rao, Satheesha B Nayak
Chondroepitrochlearis (CET) is an anomalous muscular slip that originates from the pectoralis major muscle and inserts into epicondyle of the humerus. The morphology of this variant form of pectoralis major can vary from slender to strong musculo-tendinous. In its course, it usually crosses the neurovascular structures of arm; their compression is a major complication that could be manifested by its persistence. In the present case, potentially anomalous CET muscle with the slender slip of origin, but strong tendinous insertion to the medial epicondyle of the humerus was found unilaterally...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
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