Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0036572 (seizures)
 80,221 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The effects of one night's sleep deprivation on mood and behavior were evaluated in 12 patients with panic disorder, ten depressed patients, and ten controls. In contrast to the improvement in symptoms of anxiety and depression shown by the majority of depressed patients, the response of patients with panic disorder as a group did not differ from that of normal controls, although a subgroup did experience noticeable worsening in their symptoms of anxiety, with 40% experiencing panic attacks on the day following sleep deprivation. Electroencephalographic recordings with nasopharyngeal electrodes on the day following sleep deprivation were normal, further suggesting that patients with panic disorder do not have seizure activity characteristic of temporal lobe epilepsy.
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PMID:Effects of one night's sleep deprivation on mood and behavior in panic disorder. Patients with panic disorder compared with depressed patients and normal controls. 375 67

Alprazolam treatment was tapered in 17 panic patients at a rate of 10% of the starting dose every 3 days. Only four subjects completed withdrawal on schedule (4-5 weeks); four additional subjects discontinued treatment in 7-13 weeks. During withdrawal 15 patients had recurrent or increased panic attacks and nine had significant new withdrawal symptoms. Most common among the latter were malaise, weakness, insomnia, tachycardia, lightheadedness, and dizziness. None had seizures, psychosis, or significant neurological or EEG abnormalities. Results indicate that relapse and withdrawal are important considerations in the choice of alprazolam treatment for panic attacks.
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PMID:Discontinuation of alprazolam treatment in panic patients. 382 28

A 33-year-old woman developed temporal lobe seizures and was found to have a right frontotemporal arteriovenous malformation. She subsequently developed panic attacks that could be induced by lactate infusion and were successfully treated with imipramine. The possibility that the panic attacks were caused by a structural lesion of the right temporal lobe is discussed.
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PMID:Panic attacks and temporal lobe seizures associated with a right temporal lobe arteriovenous malformation: case report. 398 Apr 54

A 36-year-old woman was treated for a wide variety of psychiatric illnesses over a span of two decades before a diagnosis of complex partial seizures was made. Her history included poor impulse control, rage attacks, multiple suicide attempts, rapid mood swings, depression, and psychotic episodes. Bulimia, panic attacks, severe obsessive-compulsive symptoms, and multiple somatic complaints were also present. In retrospect, these symptoms could be attributed to complex partial seizures with cognitive and affective symptomatology, automatisms, and psychosensory symptoms, and were controlled by anticonvulsant medications. Therefore, so-called "purely" psychiatric disorders should not be diagnosed before a diagnosis of limbic epilepsy (however, this might be labeled, e.g., complex partial seizure, psychomotor seizure, psychical seizure, or temporal lobe epilepsy) has been considered.
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PMID:Complex partial seizures presenting as a psychiatric illness. 648 48

Five patients had brief simple partial seizures that mimicked panic disorder. The following features assisted diagnosis: Seizures were briefer and more stereotyped than panic attacks; some progressed to typical complex partial seizures; and aphasia and dysmnesia occurred during seizures in some patients. Each patient had one mesial temporal structural lesion. Routine waking EEG was normal in 2 patients. Inadequate response to anti-epileptics necessitated partial temporal lobectomy in 4 patients, 3 of whom remain seizure free.
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PMID:Mesial temporal lobe seizures presenting as anxiety disorders. 758 Jan 98

Although most panic attacks appear to be primary psychiatric disturbances, some evidence suggests a biologic basis for panic disorder, possibly associated with temporal lobe dysfunction. Fear is a common affective change associated with some complex partial seizures (CPS) originating from the right temporal lobe. We describe a previously unreported association between panic attacks and seizures originating from the parietal lobe in 2 patients with right parietal lobe tumors. Intracranial monitoring documented correlations between the symptoms of fear and restricted regional parietal cortical discharges. Surgical resections of the lesions (one total, one subtotal) resulted in complete recovery or improvement.
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PMID:Panic attacks as ictal manifestations of parietal lobe seizures. 763 2

Physiological dependence on benzodiazepines is accompanied by a withdrawal syndrome which is typically characterized by sleep disturbance, irritability, increased tension and anxiety, panic attacks, hand tremor, sweating, difficulty in concentration, dry wretching and nausea, some weight loss, palpitations, headache, muscular pain and stiffness and a host of perceptual changes. Instances are also reported within the high-dosage category of more serious developments such as seizures and psychotic reactions. Withdrawal from normal dosage benzodiazepine treatment can result in a number of symptomatic patterns. The most common is a short-lived "rebound" anxiety and insomnia, coming on within 1-4 days of discontinuation, depending on the half-life of the particular drug. The second pattern is the full-blown withdrawal syndrome, usually lasting 10-14 days; finally, a third pattern may represent the return of anxiety symptoms which then persist until some form of treatment is instituted. Physiological dependence on benzodiazepines can occur following prolonged treatment with therapeutic doses, but it is not clear what proportion of patients are likely to experience a withdrawal syndrome. It is also unknown to what extent the risk of physiological dependence is dependent upon a minimum duration of exposure or dosage of these drugs. Withdrawal phenomena appear to be more severe following withdrawal from high doses or short-acting benzodiazepines. Dependence on alcohol or other sedatives may increase the risk of benzodiazepine dependence, but it has proved difficult to demonstrate unequivocally differences in the relative abuse potential of individual benzodiazepines.
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PMID:The benzodiazepine withdrawal syndrome. 784 56

The authors administered the Structured Clinic Interview for DSM-III-R (SCID) to 20 outpatients with nonepileptic seizures documented by video-EEG. Fourteen (70%) had one or more non-somatoform DSM-III-R diagnoses. All 14 met criteria for panic disorder. Comorbid mood, psychotic, substance abuse, and eating disorders were also noted. Meticulous use of the SCID, with extensive follow-up, may have resulted in enhanced detection of panic disorder in patients who do not spontaneously report panic symptoms. Panic attacks may play a more important role in nonepileptic seizures than has been generally recognized, especially in outpatients with a chronic course of illness.
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PMID:SCID diagnosis of panic disorder in psychogenic seizure patients. 795 Mar 49

The absence of clear clinical criteria for diagnosing psychogenic seizures and the abundance of vegetative symptoms in their structure raise the question of how to differentiate these states from panic attacks (PA). Clinical symptoms of paroxysm were compared in a group of 32 patients with PA and in a group of 15 patients with psychogenic seizures. It was found that the symptoms classified as panic ones according to DSM-III R criteria are equally observed in both groups. These states are differentiated only by the symptom "fear of dying", observed in 20% of patients with psychogenic seizures and in 90% of patients with PA, and by the number of conversion symptoms (5.9 in patients with psychogenic seizures and 2.2 in patients with PA). It is suggested that in both types of paroxysms panic associated symptoms are not specific and these symptoms only reflect affective distress. The latter is specifically expressed in the form of the symptom "fear of dying" during panic attacks and in the form of conversion symptoms during psychogenic seizures.
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PMID:Is panic attack a mask of psychogenic seizures?--a comparative analysis of phenomenology of psychogenic seizures and panic attacks. 798 43

Panic attacks, a frequent type of pseudoepileptic seizures, occur more frequently in epilepsy patients than in the general population and are often misdiagnosed, leading to pseudosevere epilepsy. We evaluated 4 patients with a past history of epileptic seizures long in remission who were misdiagnosed as having relapsing seizures although they had fairly typical panic attacks. To avoid unnecessary and ineffective antiepileptic drug (AED) treatment, recurrence of seizures after long remission should be carefully evaluated to identify patients with a panic disorder who require specific treatment. In patients who unexpectedly exhibit seizures after long remission, an accurate retrospective diagnosis of the epileptic syndrome and a precise description of the attack symptomatology should be obtained, if possible with EEG-video monitoring.
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PMID:Panic attacks mistaken for relapse of epilepsy. 800 8


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