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Query: UMLS:C0184567 (acute pain)
 3,962 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The recent literature on pain states shows: pain thresholds are relatively constant for an individual, but pain tolerance is influenced by psychological state; the expression of pain is a function partly of ethnic membership and degree of extroversion; pain complaints are determined as well by cultural and extroversive factors, and also degree of neuroticism. Studies of pain patients reveals that those with acute pain tend to show normal personality profiles, but the degree of pain experienced is related to the degree of anxiety present. Most chronic pain patients, like those with psychogenic pain, show somatic preoccupations and reactive depression. The treatment and/or rehabilitation of pain patients has developed in three areas. In cases of peripheral neuropathy and some spinal cord lesions, electrical stimulation with "neural pacemakers" can often "close the gate" to pain signals and provide significant reduction or abolition of pain. Psychotropic medications, particularly the tricyclic antidepressants, sometimes in combination with phenothiazines and antihistamines, are effective in many instances of central pain, and help increase the pain tolerance and decrease the need for narcotics in other pain states. Operant conditioning, including the use of biofeedback, extinguishes pain behavior and increases pain-incompatible behaviors, with good long-term results.
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PMID:Psychophysiology of pain. 0 84

Acute pain produced by disease or injury is the net effect of highly complex interactions of various neural systems and psychological factors. Through the interaction of the afferent systems and neocortical processes, the individual is provided perceptual information regarding location, magnitude, and spatial and temporal properties of the noxious stimulus that activates motivational tendencies toward escape or attack and permits analysis of multimodal information, past experience, and probability of outcome of different response strategies. In contrast, chronic pain is a malefic force that taxes the physical, emotional, and economic resources of the patient, his famiily, and society. Moreover, chronic pain is characterized by physiological affective and behavioral responses that are quite different than those of acute pain. The clinician must keep these differences in mind in order to provide patients with optimal relief of their pain.
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PMID:Neurophysiologic and pathologic aspects of acute and chronic pain. 1 80

The present study was undertaken in order to investigate the analgesic effect of needle puncture in a small self-selected group of patients with chronic or acute pain, and to examine the factors which determine success or failure of this treatment modality. We have found that in chronic painful conditions, needle puncture may be very effective in producing at least transient analgesia. It also can produce permanent relief of acute (self-limited) pains. Needle puncture was not helpful in the management of pain resulting from nerve damage. High score on psychometric indicators of anxiety and depression is a significant predictor os successful needle puncture analgesia in patients with chronic pain. Comparison of our results to studies of counterirritation indicate that the analgesia produced by needle puncture involves a mechanism similar to that of counterirritation-induced analgesia.
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PMID:Observations on the analgesic effects of needle puncture (acupuncture). 14 Oct 19

Transcutaneous electrical nerve stimulation is an ancient but newly discovered modality. Initially intended for use in chronic pain syndromes, transcutaneous electrical nerve stimulation may be even more useful in managing acute pain. Although procedures for the use of this device are relatively simple, additional knowledge about selecting and adjusting the device as well as clinical experience will largely determine the degree of success obtained with this modality. Adjusting transcutaneous electrical nerve stimulation units can alter the stimulus efficiency. No one wave-form is the most effective, but characteristics of effective wave-forms are known. In addition, the patient must be knowledgeable and cooperative when transcutaneous electrical nerve stimulation is applied.
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PMID:Introduction to the use of transcutaneous electrical nerve stimulation devices. 21 28

Patients with chronic orofacial pain must be treated with methods different from those used with patients with acute pain. If different methods are not used, the characteristics of chronic pain may become firmly entrenched. Dentists should be aware of the various methods of treatment for this separate pain entity.
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PMID:Recognition and treatment of patients with chronic orofacial pain. 29 56

Electrical stimulation for the control of pain is now a well accepted therapeutic modality. Transcutaneous application of electrical stimulation is the most common technique employed and has been used to treat chronic pain, acute surgical pain, and acute pain of other origins. Percutaneous application of electricity to the nervous system through needles electrodes is useful in predicting the efficacy of implantable stimulators and has served the same function as diagnostic nerve block. Implantable stimulators have been used for stimulation of peripheral nerves, the anterior and posterior surfaces of the spinal cord, and the brain. Peripheral nerve stimulators are the most efficacious of the implantable devices. They are used specifically for pain of peripheral nerve injury origin. Their use for pain outside the distribution of the nerve stimulated is not yet proved.
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PMID:Electrical stimulation for the control of pain. 30 34

Electrical stimulation is emerging as a new therapeutic and rehabilitative agent. Reviewed are pain control, restoration of lost functions and alteration of abnormal movement and other functions using electrical stimulation. Reported for acute and chronic pain control use are transcutaneous, dorsal column, spinal cord, peripheral nerve, and direct brain stimulation methods and results. Overall success ranges up to 50% for chronic pain problems and up to 80% for acute pain; e.g., postoperative incisional pain, sports medicine, and trauma. Restoration of lost function has broad implications for the future. These include phrenic nerve pacing for respiration, foot drop control, restoration of bladder function, and grasp control in the spinal cord-injured patient. Amelioration of abnormal function includes stimulation for epilepsy and cerebral palsy, certain symptoms of multiple sclerosis and scoliosis. The effects of electrostimulation are completely reversible and nondestructive. Technical details of devices and stimulus waveforms are also briefly considered.
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PMID:Electrical stimulation: new methods for therapy and rehabilitation. 30 12

In acute pain, TENS, ice packs, and a calm, reassuring attitude and voice are useful in reducing pain. Narcotic requirements can be reduced, and chronic pain may be prevented. Complications such as paralytic ileus and atelactasis can also be reduced. These techniques can be used in the emergency ward, the recovery room, and the doctor's office.
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PMID:Management of acute pain in trauma. 31 Mar 77

Acute studies performed in five patients indicate that electrical stimulation of the brain could be a powerful tool for the reduction or control of intractable pain. While chronic or spontaneous pain could be relieved by stimulation of the periaqueductal gray matter, the accompanying side effects render it impossible to stimulate this site regularly. On the other hand, stimulation of medial thalamic sites, particularly medial to the nucleus parafascicularis, yielded good relief of chronic pain at parameters which did not cause many undesirable side effects. The same parameters also produced inhibition of acute pain in two of the five patients.
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PMID:Pain reduction by electrical brain stimulation in man. Part 1: Acute administration in periaqueductal and periventricular sites. 32 30

Nerve blocks are an effective treatment in patients with many types of acute pain. However, they are much less effective in patients with chronic pain. Candidates for therapeutic nerve blocks should be carefully screened by: assessment of organic disease; evaluation of psychologic and behavioral disorders, and differential nerve blocks. The best candidates for therapeutic nerve blocks have known or inferred organic disease, minimal psychologic or behavioral disorders, and evidence of sympathetic or somatic pain mechanisms.
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PMID:Therapeutic nerve blocks for chronic pain. 45 99


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