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Query: UMLS:C0036341 (schizophrenia)
 60,220 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The past decade has seen important progress in understanding the localization, pharmacology, and function of serotonin (5-HT) receptor subtypes. At least seven subclasses have been shown to exist, and evidence is emerging to suggest further subclassification. Serotonin is involved in numerous physiological processes (e.g. feeding, sleep, pain, sexual behavior, temperature regulation) and pathophysiological ones. Serotonin reuptake blockers have been found effective in the alleviation of depression and attacks of panic, and are at varying stages of clinical evaluation in the treatment of obsessive compulsive disorder, chronic pain, and bulimia nervosa. Selective potent serotonin receptor agonists and antagonists show promise in the treatment of migraine, nausea and vomiting, schizophrenia, anxiety, hypertension, and Raynaud's disease.
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PMID:[New therapeutic possibilities with drugs affecting serotonin receptors]. 150 27

An association between chronic pain and depression has been recognized for a long time. However, the exact nature of this relationship remains unclear. The authors studied 71 patients for affective disorders and schizophrenia-lifetime version (SADS-L). Based on the interviews, we were able to identify 31 patients with major depression, 8 patients with minor depression and 18 with intermittent depressive disorder as defined by Research Diagnostic Criteria. Item analysis using the Hamilton Depression Rating Scale and the Montgomery-Asberg Depression Rating Scale showed that the items did not discriminate in patients with major depression the presence of organic findings. However, most of the items significantly discriminated between the various types of depression and patients without depression. The occurrence of clearly defined depression points to several avenues of research aimed at clarifying the incidence etiology and treatment of depression in these patients.
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PMID:Chronic pain and depression. I. Classification of depression in chronic low back pain patients. 316 35

Physicians may have the opportunity to prevent suicide. An awareness of suicide risk factors, such as depression, alcoholism, drug abuse, schizophrenia, and chronic pain or disease, may facilitate suicide prevention. Recognition of acute and chronic suicidal vulnerability occurs through direct questioning. Psychiatric consultation is indicated for patients exhibiting clear self-injury risk, as exemplified by expressed suicide intent, an overt plan for death, or a "gesture." Hospitalization is usually recommended for socially isolated patients presenting with overt suicidal ideation, complicated by injurious self-harm, encephalopathy, or substance abuse. Family involvement and a "no-suicide" contract with the patient, coupled with close outpatient follow-up appointments, should suffice for those exhibiting milder or transient thoughts of suicide without manifest intent to die.
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PMID:A preventive approach to the suicidal patient. 327 11

Seventy-three chronic pain patients with elevated MMPI Schizophrenia (Sc) scale scores (T score greater than 70) were compared with 55 psychotic and 87 non-psychotic psychiatric patients with elevated Sc scores to examine group differences in item content patterns on the Harris and Lingoes subscales. Chronic pain patients evidenced lower scores on all Harris and Lingoes Sc subscales, except for the Bizarre Sensory Experiences subscale on which they scored significantly higher than the psychiatric groups. Results demonstrate that Sc is elevated in many chronic pain patients because they endorse somatic symptoms and items suggestive of depression and inertia, whereas psychotics endorse more items reflecting bizarre and disordered thinking, social alienation and defective inhibition, and non-psychiatric patients endorse more depression, despair, thought disorganization and social alienation. These data suggest that high Sc scores of many chronic pain patients reflect symptoms and sequelae of their physical problems, and do not necessarily reflect severe psychopathology.
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PMID:Risk of misinterpretation of MMPI Schizophrenia scale elevations in chronic pain patients. 336 57

This report examines the differing types of psychiatric diagnoses served by different institutions as a result of differing social or institutional forces. Four-hundred-eighty-eight emotionally disturbed subjects from three different groups (competency to stand trial, chronic pain, and social security disability (SSI) applicants) were compared across psychiatric diagnostic categories. After adjusting for age, race, sex, education and marital status significant differences were found in the categories of affective disorders, schizophrenia, personality disorders and drug abuse. Interaction between institution and diagnosis is discussed.
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PMID:Comparison of psychiatric diagnoses in three populations. 365 41

Family morbidity in chronic pain patients could indicate genetic vulnerability to depressive spectrum disorders or presence of pain behaviour models. Assessment of family morbidity is an area of chronic pain research which has been neglected. In the present study, the frequency and nature of the family psychiatric morbidity of 203 consecutive chronic pain patients has been assessed and compared with that of 140 non-pain psychiatric patients. 30% of chronic pain patients and 33.6% of non-pain psychiatric patients had family psychiatric morbidity. The commonest illness in families of pain patients were found to be alcoholism, psychosomatic disorders and chronic pain. Schizophrenia and affective disorders were reported significantly more often in families of non-pain patients. 53% of psychogenic pain disorder patients had a positive family morbidity. Alcoholism among male relatives, and chronic pain and hypertension more often among female relatives, was another significant observation. No significant difference was found between chronic pain patients with and without family morbidity with regard to socio-demographic variables and clinical diagnosis.
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PMID:Family morbidity in chronic pain patients. 367 Aug 67

Endorphinergic neurons certainly play a role in the brain's processing of painful stimuli. Endorphins act to alter pain appreciation at many levels within the central nervous system including spinal cord, midbrain, thalamus, and cortex. The activity of this pain-suppressing system may play a role in individual differences in the experience of pain. Endorphinergic mechanisms play a major role in analgesia associated with stress and acupuncture, and perhaps mediate placebo-induced analgesia. Chronic pain influences endorphinergic function perhaps depleting endorphinergic neurons of their neurotransmitters. Endorphin function and pain sensibility are prominently affected in affective illness and schizophrenia. It may be that endorphinergic neurons play a fundamental role in selective attention--a kind of sensory filtering of information flow--in somatosensory and other sensory modalities.
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PMID:Endorphins and pain. 631 2

In this paper, we propose a model of social course of schizophrenia based on cross-cultural research on the influence of family, wider social network, work, political economy, and legal and mental health care institutions on the experience of illness. We posit the way these ordinary arrangements of daily living organize the course of schizophrenia in part through cultural processes that affect the body-self in suffering and in part through social processes that establish an intersubjective matrix for the experience of illness. We believe this model can be generalized to other chronic illness such as depression, diabetes, asthma, osteoarthritis, chronic pain syndrome, chronic fatigue syndrome, and even heart disease and cancer. We develop the implications of this anthropological approach for research and practice.
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PMID:The social course of schizophrenia: local and societal factors. 973 76

Neuropsychiatric diseases viewed as multifaceted expression of a dysfunctional brain in which atypical responses are evoked by various sensory inputs. Disease entities have traditionally been classified according to the predominant manifestation ( ) without regard to the overlapping features of many of the diseases (+/-). Thus, mild to moderate pain, mood, cognitive, and neurosomatic symptoms are frequently present in chronic fatigue syndrome (CFS) patients. Fibromyalgia syndrome (FMS) is listed as an example of a predominantly chronic pain syndrome. Affect (mood) disorders include depression (Depress.), anxiety, panic reactions, blunted affect, mania, etc. Schizophrenia (Schizo.) is listed as an example of a major cognitive psychosis. Autism as well as various forms of dementia would be included in this category. Irritable bowel syndrome (IBS) is an example of a neurosomatic disease.
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PMID:Stealth viruses as neuropathogens. 1015 Jan 89

Antagonists of the N-methyl-D-aspartate (NMDA) subclass of glutamate receptors and agonists of the glycine-B coagonist site of these receptors have been important tools for characterizing the contributions of NMDA receptor pathophysiology to a large number of neuropsychiatric conditions and for treating these conditions. Among these disorders are Alzheimer's disease, chronic pain syndromes, epilepsy, schizophrenia, Parkinson's disease, Huntington's disease, addiction disorders, major depression, and anxiety disorders. This review will examine pathophysiological and therapeutic hypotheses generated or supported by clinical studies employing NMDA antagonists and glycine-B agonists and partial agonists. It will also consider ethical issues related to human psychopharmacological studies employing glutamatergic probes.
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PMID:NMDA agonists and antagonists as probes of glutamatergic dysfunction and pharmacotherapies in neuropsychiatric disorders. 1048 32


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