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The Association of Early Life Stressors with Pain Sensitivity and Pain Experience at 22 Years

Early life stress (ELS) can significantly influence biological pathways associated with nociception, increasing vulnerability to future heightened pain sensitivity and subsequent risk of pain events. However, very little human research has investigated the association of ELS, measured across multiple domains, with future pain sensitivity. Data from Gen1 and Gen2 of the Raine Study were used to assess the association between a wide range of early life stressors, including in antenatally, and pressure and cold pain sensitivity at young adulthood.  

Neurostimulation Methods in the Treatment of Chronic Pain

Abstract: The goal of this narrative review was to give an up-to-date overview of the peripheral and central neurostimulation methods that can be used to treat chronic pain. Special focus has been given to three pain conditions: neuropathic pain, nociplastic pain and primary headaches. Both non-invasive and invasive techniques are briefly presented together with their pain relief potentials. 

Headache in Petrous Apicitis: A Case Report of Chronic Migraine-like Headache Due to Peripheral Pathology

 AbstractObjective: To report a case of petrous apicitis that manifested as chronic migraine without aura and to discuss the pathophysiological mechanisms behind this presentation. Background:Petrous apicitis is a rare complication of acute otitis media with varied clinical presentations that stem from the close proximity of the petrous apex to numerous neurovascular structures. Headache is among the common symptoms of petrous apicitis.

An Evolutionary Medicine Perspective on Pain and Its Disorders

Abstract: Enormous progress in understanding the mechanisms that mediate pain can be augmented by an evolutionary medicine perspective on how the capacity for pain gives selective advantages, the trade-offs that shaped the mechanisms, and evolutionary explanations for the system’s vulnerability to excessive and chronic pain. Syndromes of deficient pain document tragically the utility of pain to motivate escape from and avoidance of situations causing tissue damage.

Euphorbia Bicolor (Euphorbiaceae) Latex Phytochemicals Induce Long-Lasting Non-Opioid Peripheral Analgesia in a Rat Model of Inflammatory Pain

The negative side effects of opioid-based narcotics underscore the search for alternative non-opioid bioactive compounds that act on the peripheral nervous system to avoid central nervous system-mediated side effects. The transient receptor potential V1 ion channel (TRPV1) is a peripheral pain generator activated and sensitized by heat, capsaicin, and a variety of endogenous ligands. TRPV1 contributes to peripheral sensitization and hyperalgesia, in part, via triggering the release of proinflammatory peptides, such as calcitonin gene-related peptide (CGRP), both locally and at the dorsal horn of the spinal cord.

Rethinking Opioid Dose Tapering, Prescription Opioid Dependence, and Indications for Buprenorphine

The expanded use of opioids for chronic pain has created a population of patients prescribed long-term opioid therapy lasting years or decades. Doses are often above the thresholds suggested in the 2016 Centers for Disease Control and Prevention (CDC) guideline (morphine-equivalent dose >50 or >90 mg/d). Long-term opioid therapy is associated with adverse effects, morbidity, and overdose death; some risks are dose-dependent. At the same time, evidence indicates that long-term opioid therapy confers little benefit versus nonopioid therapy, particularly for function. Opioid use disorder (OUD) occurs in a subset of patients, and quality of life may be adversely affected despite perceived pain benefits.
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