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Pain Symptomatology and Management in Pediatric Ehlers-Danlos Syndrome: A Review.

Ehlers-Danlos syndromes (EDS) are a group of connective tissue disorders that manifest with hyperextensibility of joints and skin, and general tissue fragility. While not a major criterion for clinical diagnosis, pain is a frequently endorsed symptom across subtypes of EDS. As such, the present review aims to summarize research to date on pain characteristics and management, and the relationship between such pain symptomatology and quality of life in pediatric EDS. Characteristics of pain, including theorized etiology, relative intensity and extent of pain are described, as well as descriptions of frequently endorsed pain sites (musculoskeletal, and non-musculoskeletal). Interventions related to the management of musculoskeletal (e.g., pharmaceutical intervention, physical therapy) and non-musculoskeletal pain (e.g., pharmaceutical and psychological interventions) are discussed, highlighting the need for additional research related to pediatric pain management in the context of hypermobility syndromes. In addition, the relationship between pain in pediatric EDS and quality of life is described. Finally, limitations of literature to date are described and recommendations for future lines of research are outlined.

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Intra-Articular Hyaluronic Acid Injections Less Than 6 Months Before Total Hip Arthroplasty: Is It Safe? A Retrospective Cohort Study in 565 Patients.

Intra-articular hyaluronic acid (IAHA) can be injected into an osteoarthritic hip joint to reduce pain and to improve functionality. Several studies report IAHA to be safe, with minor adverse effects that normally disappear spontaneously within a week. However, intra-articular corticosteroids prior to total hip arthroplasty (THA) have been associated with increased infection rates. This association has never been investigated for IAHA and THA. We aimed to assess the influence of IAHA on the outcome of THA, with an emphasis on periprosthetic joint infection (PJI).

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The Original Anatomic Reconstruction of Palmar and Dorsal Radioulnar Ligaments for Distal Radioulnar Joint Instability.

Thirty years ago, the first anatomic reconstruction of the palmar and dorsal radioulnar ligaments for chronic distal radioulnar joint (DRUJ) instability was proposed by Sanders. In this surgical technique, the midpoint of a free tendon autograft is firmly secured in a bony tunnel at the ulnar fovea. The 2 graft limbs anchored at the fovea traverse the DRUJ and are securely woven into the periarticular soft tissues radially, reproducing the ligamentous anatomy while not overconstraining the joint. This report documents the original anatomic DRUJ reconstruction technique described by Sanders and our procedure modifications.

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Adaptation of an obstetric anesthesia service for the SARS-CoV-2 pandemic: description of checklists, workflows, and development tools.

Care of the pregnant patient during the SARS-CoV-2 pandemic presents many challenges, including creating parallel workflows for infected and non-infected patients, minimizing waste of materials, and ensuring that clinicians can seamlessly transition between types of anesthesia. The exponential community spread of disease limited the time for development and training.

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Interictal hemodynamic abnormality during motor activation in sporadic hemiplegic migraine: An explorative study.

The motor weakness in sporadic hemiplegic migraine (SHM) is a poorly understood aura manifestation. Cortical spreading depression affecting motor excitability and alterations of neurovascular coupling may be integral to the development of migraine aura.

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Varicella Zoster Virus Meningoencephalitis With an Atypical Presentation of Chest Pain, Impaired Memory, and Seizure.

Neurologic complications of varicella zoster virus (VZV) reactivation can be associated with considerable mortality and morbidity. Aseptic meningitis associated with VZV infection is rare, occurring in 0.5% of immunocompetent individuals. One third of VZV-related neurologic disease occurs without the classic herpes zoster exanthema, making early recognition more difficult.

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Systematically explore the potential hepatotoxic material basis and molecular mechanism of Radix Aconiti Lateralis based on the concept of toxicological evidence chain (TEC).

Radix aconiti lateralis (Fuzi) is widely used in China as a traditional Chinese medicine for the treatment of asthenia, pain and inflammation. However, its toxic alkaloids often lead to adverse reactions. Currently, most of the toxicity studies on Fuzi are focused on the heart and nervous system, and more comprehensive toxicity studies are needed. In this study, based on the previous reports of Fuzi hepatotoxicity, serum pharmacochemistry and network toxicology were used to screen the potential toxic components of Heishunpian(HSP), a processed product of Fuzi, and to explore the possible mechanism of HSP-induced hepatotoxicity. The results obtained are expressed based on the toxicological evidence chain (TEC). It was found that 22 potential toxic components screened can affect Th17 cell differentiation, Jak-STAT signaling pathway, glutathione metabolism, and other related pathways by regulating AKT1, IL2, F2, GSR, EGFR and other related targets, which induces oxidative stress, metabolic disorders, cell apoptosis, immune response, and excessive release of inflammatory factors, eventually inducing liver damage in rats. This is the first study on HSP-induced hepatotoxicity based on the TEC concept, providing references for further studies on the toxicity mechanism of Fuzi.

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Successful Use of tPA for Saddle Pulmonary Embolism in Perimesencephalic Non-aneurysmal Subarachnoid Hemorrhage: Case Report.

Perimesencephalic non-aneurysmal subarachnoid hemorrhage (PNSH) is characterized by a typical pattern of localized pretruncal hemorrhage on head computed tomography (CT). PNSH is usually associated with a benign clinical course and a lower incidence of complications. The etiology is unknown but has many proposed explanations, including venous injury or rupture followed by thrombosis of a ruptured microaneurysm.

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A case of spontaneous regression of radiologically diagnosed epidermoid cyst originated from cerebellopontine angle.

Generally, asymptomatic epidermoid cysts (ECs) or those with minor symptoms controlled by medication are not treated further. Although epidermoid carcinomas are sporadically reported, the possibility of their malignant transformation is of concern.

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Microbiome and substances of abuse.

There is a growing amount of evidence showing a reciprocal relation between the gut microbiota and the brain. Substance use disorders (SUD), which are a major cause of preventable morbidity and mortality worldwide, have an influence on the gut microbiota and on the gut-brain axis. The communication between the microbiota and the brain exists through different pathways: (1) the immune response elicited by bacterial products, coupled with alterations of the intestinal barrier allowing these products to enter the bloodstream, (2) the direct and indirect effects of bacterial metabolites such as short chain fatty acids (SCFAs) or tryptophan on the brain, (3) and the hypothalamic-pituitary-adrenal (HPA) axis, whose peripheral afferents can be influenced by the microbiota, and can in turn activate microglia. Among substances of abuse, alcohol has been the subject of the greatest number of studies in this field. In some but not all patients suffering from alcohol-use-disorder (AUD), alcohol alters the composition of the gut microbiota and the permeability of the intestinal barrier, directly and through dysbiosis. It has also been well demonstrated that alcohol induces a peripheral inflammation; it is still unclear whether it induces a central inflammation, as there are contradictory results in human studies. In animal studies, it has been shown that neuroinflammation increases during alcohol withdrawal. Literature on opioids and stimulants is less numerous. Chronic morphine intake induces dysbiosis, increased intestinal permeability and a probable neuroinflammation, which could explain symptoms such as tolerance, hyperalgesia and deficit in reward behavior. Cocaine induces a dysbiosis and conversely the microbiome can modulate the behavioral response to stimulant drugs. Tobacco cessation is associated with an increase in microbiota diversity. Taken together, the findings of our narrative literature review suggest a bidirectional influence in the pathogenesis of substance use disorders.

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