Contents
Introduction
Chapter 1: What is Pain? A Primer
Types of Pain
Mechanisms of Pain Transmission
PAIN: It is All in Your Head!
Impact of Emotions and Thoughts on Pain Sensation
Conclusion
Chapter 2: Pain and Pain Relief Prior to the 19th Century
Ancient Western World
Early Christian Era
Middle Ages
16th, 17th, and 18th Centuries
Historical Views About Pain in the Muslim and Jewish Worlds
Conclusion
Chapter 3: Pain and Pain Relief in the 19th and 20th Century
Early 19th Century
Discovery of Anesthesia in the Mid-19th Century
Conflict Between Religion and Advances in Medicine in the 19th Century
Emergence of "Faith Cure" and the Christian Science Church
Conflict Between Religious Views and Pain Relief Continued in the 20th Century
Gender Bias in Pain Relief
Rise in Use of Opioids for Pain Relief
Pain Relief in the Latter Part of the 20th Century
Conclusion
Chapter 4: Pain in Animals
Historical Views Regarding Animal Pain
Surgical and Post-Surgical Pain in Animals in the 20th Century
Management of Painful Diseases and Conditions in Animals in the 20th Century
Pain Control in Animals in the 21st Century
Conclusion
Section II. Treatment of Pain Today
Chapter 5: Pain and Pain Relief in the 21st Century
Management of Acute Pain in Hospitals
Chronic Pain
Pain Management in Infants and Children
Diminished Emphasis on Pain Relief in the 21st Century
Lack of Availability of Strong Pain-Relieving Medications Worldwide
Racial Disparities in Pain Management in the United States
Pain Can Not be Measured Objectively
Reluctance of Patients to Use Pain-Relieving Medications
Limited Pain Education Contributes to Unrelieved Pain
Conclusion
Chapter 6: How Good Are Current Medications in Relieving Pain?
Medications for Non-Neuropathic Pain
Medications for Neuropathic Pain
Medications for Migraine
Other Pain Medications
Conclusion
Chapter 7: Prescription
Short-Term Use of Opioids to Relieve Severe Acute Pain
Opioids: Important Drugs for Acute Pain, But What About Chronic Pain?Current Opioid Crisis
How Great Are the Risks of Taking Opioids for Pain Relief?
"Opiophobia"
Balancing Risks vs Pain-Relieving Benefits of Prescription
Opioids The Criminalization Model and the War on Drugs
Abuse-Deterrent
Opioid ProductsUrgent Need to Expand Treatment for Those Addicted to Opioids
Conclusion
Chapter 8: Recent
101 Modern Drug Discovery
Marijuana/Cannabis Capsaicin Receptor
Sodium Channels
Nerve Growth Factor
Recent Opioid Research
Other Ongoing Research
Why So Little Progress
Conclusion
Chapter 9: Alternative Methods to Manage Pain
Spinal Manipulation and Exercise
Acupuncture
Electrical Stimulation
Nerve Ablation
Psychological Methods to Relieve Pain
The Placebo Effect
Conclusion
Chapter 10: The Future of Pain Management
Attempts to Reduce Opioid Abuse
Use of Naloxone to Prevent Deaths from Opioid Overdoses
Is There a "Magic Bullet" Waiting to be Discovered?
Barriers to Use of Alternative Methods to Relieve Pain
Efforts to Develop Objective Measures of Pain
The Future of Brain Imaging in Pain Management
Role of Genetics in Pain and Pain Relief
Conclusion: There is Hope for the Future!
Low threshold nerve fibers, known as Aβ fibers,
cause a non-painful sensation. High threshold nerve fibers, called Aδ and C fibers,generate pain.In physical terms, pain is the result of defined processes. Pain sensations can be affected by one's thoughts and emotional state. Roman Emperor Marcus Aurelius in 170-180 CE wrote a treatise entitled Meditations. He wrote, "If you suffer pain becasue of some external cause, what troubles you is not the thing but your decision about it, and this is in your power to wipe out at once. Whosoever therefore is not himself indifferent to pain..., which Univeral Nature employs indifferently, plainly commits sin."
In the 1980s, newborns undergoing surgery received only minimal anesthesia and were not treated for pain afterwards. The late Margo McCaffery was a pioneer within the Pain Management Nursing field in the United States in the later part of the 20th century. She stated, "Pain is whatever the experiencing person says it is and exists whenever he says it does."Pain was designated as the fifth vital sign by the American Pain Society in 1996. There were four vital signs: pulse rate, respiration rate, temperature, and blood pressure. Disagreements between patient reports of pain and those assessed by clinicians often lead to questions about the existence of pain. Unrelieved pain persists despite significant advancements in many fields of medicine. Pain science lags behind most medical conditions. Pain is rarely adequately relieved, whether it is chronic or acute. There are two broad types of pain: neuropathic pain and non-neuropathic pain. With regard to opioids the author states, "I would argue that it is extremely reckless to deny prescription opioids to patients with severe pain that has not been relieved by other medications or alternative methods."
Why are pain medication studies limited? Patients have different types of pain,different types of pain can vary in response to a particular medication, pain iscomplex, and pain is highlyindividualized. What works for one person may not work for anotherwith a similar type of pain.It is important to make the distinction between drug abuse, drug dependency, and drug addiction. Opiophobia - excessive fear of prescrition opioids.
The only truly new pain medications with a novel mechanism of action are the CGRP antagonists approved for migraines. The FDA approved Olinvyk in August 2020. In a hospital or clinic setting, it is used as a short-term IV treatment for moderate to severe pain. The oral compound TRV734 has been entered into clinical trials, but it is currently being used to suppress withdrawal symptoms associated with opioid use. Among the alternative methods of managing pain are chiropractic, exercise, massage, acupuncture, meditation, behavioral modification, and electrical stimulation. A variety of research is being conducted and new treatments are on the horizon, including brain imaging, genetic testing, personalized treatments, and new medications.
Pain: The Culture and Science of Pain is an excellent book.
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