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Entrapment Syndromes

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https://www.readbyqxmd.com/read/29154980/treatment-of-carpal-tunnel-syndrome-from-ultrasonography-to-ultrasound-surgery
#1
David Petrover, Pascal Richette
Carpal tunnel syndrome is the most common nerve entrapment syndrome. The majority of cases are due to compression or irritation of the median nerve in the carpal canal. It is diagnosed clinically, often being confirmed by an electromyogram, while ultrasonography criteria have become increasingly useful for the diagnosis. Ultrasonography is better tolerated, less expensive, yet just as effective as other diagnostic methods. It provides a good indication of the severity of the condition and it allows anatomical variants to be discerned...
November 15, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/29137727/the-quantitative-evaluation-of-the-relationship-between-the-forces-applied-to-the-palm-and-carpal-tunnel-pressure
#2
Kazutoshi Kubo, Yu-Shiuan Cheng, Boran Zhou, Kai-Nan An, Steven L Moran, Peter C Amadio, Xiaoming Zhang, Chunfeng Zhao
Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy occurring in upper limbs. The etiology, however, has not been fully understood yet. Median nerve could be compressed by either increase of carpal tunnel pressure (CTP) or direct impingement when it is forced toward to carpal ligament especially in wrist flexion leading to CTS development. Thus, the increase of carpal tunnel pressure is considered an important role in CTS development. It has been identified that forces applied to the palm would affect the CTP...
November 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29129005/chronic-overdrainage-syndrome-pathophysiological-insights-based-on-icp-analysis-a-case-based-review
#3
REVIEW
Laura V Sainz, Konstantin Hockel, Martin U Schuhmann
INTRODUCTION: Chronic overdrainage affects shunted patients producing a variety of symptoms that may be misdiagnosed. The best known symptoms are so-called shunt-related headaches. There is mounting evidence that changes in cerebrospinal venous system dynamics are a key factor to the pathophysiology of chronic overdrainage syndrome. CLINICAL PRESENTATION: We report the case of a 29-year-old woman with a shunt since the postnatal period suffering from chronic but the most severe intermittent headache attacks, despite an open shunt and with unchanged ventricular width during attacks...
November 11, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29111493/lateral-cutaneous-nerve-entrapment-syndrome-lacnes-a-previously-unrecognized-cause-of-intractable-flank-pain
#4
R C Maatman, N E Papen-Botterhuis, M R M Scheltinga, R M H Roumen
BACKGROUND AND AIMS: Chronic abdominal pain may occasionally be due to terminal endings of intercostal nerves (ACNES, abdominal cutaneous nerve entrapment syndrome) that are entrapped in the abdominal wall. Spontaneous neuropathic flank pain may also be caused by involvement of branches of these intercostal nerves. Aim is to describe a series of patients with flank pain due to nerve entrapment and to increase awareness for an unknown condition coined Lateral Cutaneous Nerve Entrapment Syndrome (LACNES)...
October 27, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/29110086/acute-and-chronic-fluid-misdirection-syndrome-pathophysiology-and-treatment
#5
Andrzej Grzybowski, Piotr Kanclerz
PURPOSE: To summarize our current understanding of the specific pathogenic mechanisms of the fluid misdirection syndrome and possible treatment methods. METHODS: We used the PubMed web platform to find relevant studies using the following keywords: infusion misdirection syndrome, aqueous misdirection syndrome, ciliary block, ciliovitreal block, capsular block, intraoperative fluid misdirection, subcapsular fluid entrapment, acute intraoperative rock-hard eye syndrome, positive vitreous pressure glaucoma, and malignant glaucoma...
November 6, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29078710/psychosocial-risk-factors-and-the-association-with-carpal-tunnel-syndrome-a-systematic-review
#6
Michael Mansfield, Michael Thacker, Fiona Sandford
BACKGROUND: Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy of the upper limb. Research has shown that associative factors for CTS include occupational and biomechanical elements, gender, and age. To date, no systematic review has been undertaken to determine specifically whether there are any psychosocial risk factors in developing CTS. The objective is to determine whether psychosocial factors are associated with and/or predict the development of CTS. METHODS: A systematic review was conducted including searches of PubMed (MEDLINE), EMBASE, and CINAHL from inception to May 30, 2017...
October 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29056390/atypically-localized-glomus-tumor-causing-anterior-interosseous-nerve-syndrome-a-case-report
#7
Yunus Emre Akman, Merter Yalcinkaya, Yavuz Arikan, Yavuz Kabukcuoglu
This article presents a 48-year-old male patient who presented with pain in the left forearm and weakness and clumsiness in the left hand of 6 months' duration. Flexor motor strength loss of the thumb and the index finger was present and neurophysiologic tests showed findings compatible with axonal injury in the anterior interosseous nerve (AIN) innervated muscles. Magnetic resonance imaging revealed a space-occupying lesion in the proximal forearm resembling a glomus tumor. Excision of the mass and release of the AIN were performed...
October 19, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/29043094/mid-foot-retinaculum-an-unrecognized-entity
#8
Swathi, Geetha Gangadaran Nellithala, Sunita Arvind Athavale
Retinacula are thickenings of deep fascia in the region of joints that hold down the tendons preventing them from bowing out of position. In the region of ankle, number of such retinacula have been described. Retinacula like superior and inferior extensor retinacula have been described which hold down the tendons of leg muscles passing to the foot beneath them. As the extensor tendons of the leg have more distal attachment to the toes, the present study was conducted to ascertain the presence of any additional retinaculum in the mid-foot region, which would tie down the tendons for their effective action at the distal joints...
September 2017: Anatomy & Cell Biology
https://www.readbyqxmd.com/read/29022807/surgery-for-popliteal-artery-entrapment-syndrome-use-of-an-intraoperative-tibial-nerve-stimulator-and-duplex-ultrasound
#9
G Dovell, R J Hinchliffe
No abstract text is available yet for this article.
September 13, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29022157/radiosurgery-in-trochlear-and-abducens-nerve-schwannomas-case-series-and-systematic-review
#10
Iulia Peciu-Florianu, Constantin Tuleasca, Jean-Nicolas Comps, Luis Schiappacasse, Michele Zeverino, Roy Thomas Daniel, Marc Levivier
INTRODUCTION: Schwannomas involving the occulomotor cranial nerves  (CNs; III, IV and VI), can be disabling, due to the associated diplopia and decreased quality of life and are extremely rare. We evaluated the role of Gamma Knife surgery (GKS) in these cases. METHODS: Five patients with CN IV and VI schwannomas (three and two, respectively) were treated in Lausanne University Hospital between 2010 and 2015. Four benefitted from upfront GKS and one from a combined approach (planned subtotal resection followed by GKS), due to a large preoperative tumour volume (size, 3 × 2 × 2...
October 11, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29020997/anterior-cutaneous-nerve-entrapment-syndrome-with-pain-present-only-during-carnett-s-sign-testing-a-case-report
#11
Ryutaro Tanizaki, Yousuke Takemura
BACKGROUND: The identification of anterior cutaneous nerve entrapment syndrome is often challenging, due to no widely accepted standard guidelines regarding laboratory and imaging tests for the diagnosis of ACNES. CASE PRESENTATION: A 77-year-old Japanese man presented with mild lower abdominal pain that had been present for the past 3 years. Physical examination revealed no abdominal pain during palpation, with normal laboratory and imaging testing; therefore, conservative therapy was initiated...
October 11, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29017511/mechanical-wrist-traction-as-a-non-invasive-treatment-for-carpal-tunnel-syndrome-a-randomized-controlled-trial
#12
Margreet Meems, Viola Spek, Willem J Kop, Berend-Jan Meems, Leo H Visser, Victor J M Pop
BACKGROUND: Carpal tunnel syndrome (CTS) is a common, compressive nerve-entrapment disorder with symptoms of numbness, paresthesia, and pain. Carpal tunnel release surgery is the only known long-term effective treatment. However, surgery is invasive and up to 30% of patients report recurrence or persistence of symptoms or suffer from post-surgical complications. A promising non-surgical treatment for CTS is mechanical wrist traction. The purpose of this study was to evaluate clinical outcomes following mechanical traction in patients with CTS compared to care as usual...
October 10, 2017: Trials
https://www.readbyqxmd.com/read/28978583/management-and-patients-perspective-regarding-a-common-peroneal-nerve-schwannoma-a-rare-cause-of-lower-leg-pain-in-a-young-individual
#13
Aniek Pm van Zantvoort, Paul Cuppen, Marc R Scheltinga
The differential diagnosis of exercise-induced lower leg pain in young individuals is extensive and includes entities such as chronic exertional compartment syndrome, popliteal arterial entrapment syndrome, cystic adventitial disease, medial tibial stress syndrome and tibial stress fractures. Peripheral nerve-related lower leg pain syndromes are unusual. We present a 41-year-old woman who was diagnosed with an ancient schwannoma of the right common peroneal nerve (CPN) as a rare cause of lower leg pain. This case report provides simple diagnostic bedside tools that may be used to diagnose CPN abnormalities...
October 4, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28970979/all-endoscopic-brachial-plexus-complete-neurolysis-for-idiopathic-neurogenic-thoracic-outlet-syndrome-surgical-technique
#14
Thibault Lafosse, Malo Le Hanneur, Laurent Lafosse
Neurogenic thoracic outlet syndrome is caused by a neurologic compression of the brachial plexus before it reaches the arm. Three anatomic areas are common locations for such an entrapment because of their congenital and/or acquired tightness: the interscalene triangle, the costoclavicular space, and the retropectoralis minor space. Because the compression level usually remains unknown, the treatment is still controversial and most teams focus on only one potential site. We propose an all-endoscopic technique of complete brachial plexus neurolysis that can be divided into three parts, one for each entrapment area...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28969808/management-of-atraumatic-posterior-interosseous-nerve-palsy
#15
REVIEW
Kohila Vani Sigamoney, Abbas Rashid, Chye Yew Ng
The posterior interosseous nerve (PIN) is susceptible to a number of traumatic and atraumatic pathologies. In this article, we aim to review our current understanding of the etiology, pathology, diagnosis, treatment options, and published outcomes of atraumatic PIN palsy. In general, the etiology of atraumatic PIN palsy can be divided into mechanical, which is caused by an extrinsic compressive force on the nerve, and nonmechanical, which is caused by an intrinsic inflammatory reaction within the nerve. As per this discussion, there are 3 causes for atraumatic PIN palsy...
October 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28959514/prevalence-of-obesity-in-carpal-tunnel-syndrome-patients-a-cross-sectional-survey
#16
Salman Mansoor, Maimoona Siddiqui, Farrukh Mateen, Shoab Saadat, Zarak H Khan, Mehr Zahid, Hamza H Khan, Shuja A Malik, Salman Assad
Carpal tunnel syndrome (CTS) is the most common compressive entrapment neuropathy caused by the compression of the median nerve at the wrist space known as the carpal tunnel. The epidemiologic factors related to CTS include genetic, medical, social, vocational, and demographic factors. The common symptoms experienced include pain, paresthesia, and numbness in the median nerve distribution. If left untreated, it can lead to irreversible median nerve damage, causing a loss of hand function. Body mass index (BMI) has been attributed as a risk factor for the development of CTS...
July 26, 2017: Curēus
https://www.readbyqxmd.com/read/28957618/quadrilateral-space-syndrome-treated-with-ultrasound-guided-corticosteroid-injection-a-case-of-isolated-teres-minor-atrophy-and-review-of-the-literature
#17
Peter S Chang, Nathan Jacobson, Kwang U Chang
Quadrilateral space syndrome (QSS) is a rare orthopedic condition caused by compression, entrapment, or injury to the axillary nerve or posterior humeral circumflex artery as they arise from the quadrilateral space. QSS can present with point tenderness over the quadrilateral space and weakness and paresthesia in the axillary nerve distribution. It is commonly associated with repetitive overhead activities and is seen in athletes engaging in such activities. Here we report a case of QSS in a 42-year-old male weight lifter who presented with pain and soreness in the posterior aspect of his right shoulder radiating around his arm as well as slight weakness of his right shoulder of a few weeks duration...
October 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28940994/drg-spinal-cord-stimulation-as-solution-for-patients-with-severe-pain-due-to-anterior-cutaneous-nerve-entrapment-syndrome-a-case-series
#18
Frédérique Mathilde Ulrike Mol, Rudi M H Roumen
OBJECTIVES: Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) is a debilitating neuropathic pain condition. A small portion of patients do not respond to any currently available treatment modalities. These patients, often young women, might benefit from targeted spinal cord stimulation of the dorsal root ganglion (DRG). METHODS: This retrospective case series describes five ACNES patients who were referred from a Dutch dedicated tertiary referral center to collaborating sites with extensive experience in DRG stimulation to be implanted with a DRG Axium System (St...
September 21, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28937368/human-immunodeficiency-virus-associated-cystic-lymphoid-hyperplasia-an-immunohistochemical-description
#19
Shabnum Meer, Shailen Dulabh
BACKGROUND: Cystic lymphoid hyperplasia (CLH) describes benign salivary lymphoepithelial cysts with a strong link to human immunodeficiency virus (HIV) infection and acquired immunodeficiency syndrome (AIDS). The pathogenesis is related to ductal dilatation of entrapped salivary elements due to intranodal HIV-associated atypical lymphoid hyperplasia. Very little is known about the immunophenotypic profile of this entity. AIM: This study aims to describe the immunopathological features of a series of CLH cases in HIV-positive patients to clarify the etiopathogenesis...
July 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28934803/two-interesting-cases-of-meralgia-paraesthetica
#20
Christopher David Jones, Luke Guiot, Mark Portelli, Timothy Bullen, Paul Skaife
Meralgia paraesthetica (MP) is a condition originally described by Bernhardt in 1878 and was eventually named by Roth in 1895. It is caused by compression of the lateral femoral cutaneous nerve (LFCN) resulting in varying types of discomfort. Severity of the symptoms can range from mildly uncomfortable to painfully disabling. In this article we discuss 2 patients with a LFCN injury occurring as a result of laparoscopic ventral rectopexy (LVR). The first patient is a 46-year-old female who reported pain and dysesthesia in the left groin and the anterolateral thigh, 2 days post LCR...
September 2017: Pain Physician
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