Application of Ultrasound and Ultrasound-Guided Intervention for Evaluating Elbow Joint Pathologies

Lin, Chia-Wei; Chen, Yanhao; Chen, Wen-Shiang

doi:10.1016/j.jmu.2012.04.007

Cited by 11 publications

(4 citation statements)

References 42 publications

(52 reference statements)

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“…US provides high-resolution imaging of elbow tendons, nerves, ligaments, and accessible joint recesses. Furthermore, US can dynamically assess tendon motion, nerve instability or snapping, and joint laxity [9][10][11][12][13][14][15][16]. Although previous research has documented the ability to sonographically identify the LCLC, assessment of lateral side laxity/instability has been limited to nonquantified and nonvalidated descriptions of sonographic varus stress testing [13][14][15].…”

Section: Discussionmentioning

confidence: 99%

“…Ultrasound (US) provides a unique combination of high‐resolution, soft‐tissue imaging, dynamic capabilities, portability, lack of radiation exposure, immediacy of results, reduced costs compared with other modalities, and lack of contraindications [9], In recent years, the role of musculoskeletal (MSK) US in sports and MSK medicine has continued to expand. Multiple studies have documented the ability of MSK US to image the soft tissue and bony structures about the lateral elbow, as well as assist in the diagnosis and management of lateral elbow disorders affecting the common extensor tendon, radiocapitellar joint, and posterior interosseous nerve [10‐12].…”

Section: Introductionmentioning

confidence: 99%

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The Sonographic Posterolateral Rotatory Stress Test for Elbow Instability: A Cadaveric Validation Study

Camp

O’Driscoll

Wempe

et al. 2016

PM&R

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Sonographic Posterolateral Rotatory Stress Test for Elbow Instability: A Cadaveric Validation Study

Camp

O’Driscoll

Wempe

et al. 2016

PM&R

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“…Ulnar nerve symptoms in the hand caused by thrombosis of the ulnar artery can be confirmed via the use of a duplex scan ultrasound or an angiogram (5,8). Ultrasound of the cubital tunnel or elbow can be also be used to detect neuropathy, which presents initially as an abnormal enlargement of the nerve with decreased echogenicity, eventually causing the nerve to atrophy with a concurrent swelling proximal to the site of compression (5,9,11,15).…”

Section: Diagnosismentioning

confidence: 99%

An Update on Treatment Modalities for Ulnar Nerve Entrapment: A Literature Review

et al. 2020

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Context: Ulnar nerve entrapment is a relatively common entrapment syndrome second only in prevalence to carpal tunnel syndrome. The potential anatomic locations for entrapment include the brachial plexus, cubital tunnel, and Guyon’s canal. Ulnar nerve entrapment is more so prevalent in pregnancy, diabetes, rheumatoid arthritis, and patients with occupations involving periods of prolonged elbow flexion and/or wrist dorsiflexion. Cyclists are particularly at risk of Guyon’s canal neuropathy. Patients typically present with sensory deficits of the palmar aspect of the fourth and fifth digits, followed by motor symptoms, including decreased pinch strength and difficulty fastening shirt buttons or opening bottles. Evidence Acquisition: Literature searches were performed using the below MeSH Terms using Mendeley version 1.19.4. Search fields were varied until further searches revealed no new articles. All articles were screened by title and abstract. Decision was made to include an article based on its relevance and the list of final articles was approved three of the authors. This included reading the entirety of the artice. Any question regarding the inclusion of an article was discussed by all authors until an agreement was reached. Results: X-ray and CT play a role in diagnosis when a bony injury is thought to be related to the pathogenesis (i.e., fracture of the hook of the hamate.) MRI plays a role where soft tissue is thought to be related to the pathogenesis (i.e., tumor or swelling.) Electromyography and nerve conduction also play a role in diagnosis. Medical management, in conjunction with physical therapy, shows limited promise. However, minimally invasive techniques, including peripheral percutaneous electrode placement and ultrasound-guided electrode placement, have all been recently studied and show great promise. When these techniques fail, clinicians should resort to decompression, which can be done endoscopically or through an open incision. Endoscopic ulnar decompression shows great promise as a surgical option with minimal incisions. Conclusions: Clinical diagnosis of ulnar nerve entrapment can often be delayed and requires the suspicion as well as a thorough neurological exam. Early recognition and diagnois are important for early institution of treatment. A wide array of diagnostic imaging can be useful in ruling out bony, soft tissue, or vascular etiologies, respectively. However, clinicians should resort to electrodiagnostic testing when a definitive diagnois is needed. Many new minimally invasive techniques are in the literature and show great promise; however, further large scale trials are needed to validate these techniques. Surgical options remains as a gold standard when adequate symptom relief is not achieved through minimally invasive means.

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“…Compared to the above stimuli, noninvasive ultrasound offers the following advantages: (1) penetrating deeply into the interior of the body; (2) capable of focusing and controllable; (3) providing high resolution images of the soft tissues; (4) easily accessible and low cost; and (5) providing relatively easy dynamic examination compared with other radiologic modalities9. Ultrasound has been widely used in molecular imaging10, diagnosis and treatment11.…”

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confidence: 99%

Ultrasound and pH Dually Responsive Polymer Vesicles for Anticancer Drug Delivery

Chen

2013

Sci Rep

158

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Recently, smart polymer vesicles have attracted increasing interest due to their endless potential applications such as tunable delivery vehicles for the treatment of degenerative diseases. However, the evolution of stimuli-responsive vesicles from bench to bedside still seems far away for the limitations of current stimuli forms such as temperature, light, redox, etc. Since ultrasound combined with chemotherapy has been widely used in tumor treatment and the pH in tumor tissues is relatively low, we designed herein a novel polymer vesicle that respond to both physical (ultrasound) and chemical (pH) stimuli based on a PEO-b-P(DEA-stat-TMA) block copolymer, where PEO is short for poly(ethylene oxide), DEA for 2-(diethylamino)ethyl methacrylate and TMA for (2-tetrahydrofuranyloxy)ethyl methacrylate. These dually responsive vesicles show noncytotoxicity below 250 μg/mL and can encapsulate anticancer drugs, exhibiting retarded release profile and controllable release rate when subjected to ultrasound radiation or varying pH in tris buffer at 37°C.

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Application of Ultrasound and Ultrasound-Guided Intervention for Evaluating Elbow Joint Pathologies

Cited by 11 publications

References 42 publications

The Sonographic Posterolateral Rotatory Stress Test for Elbow Instability: A Cadaveric Validation Study

The Sonographic Posterolateral Rotatory Stress Test for Elbow Instability: A Cadaveric Validation Study

An Update on Treatment Modalities for Ulnar Nerve Entrapment: A Literature Review

Ultrasound and pH Dually Responsive Polymer Vesicles for Anticancer Drug Delivery

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