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PubMed1991

The short test of mental status. Correlations with standardized psychometric testing.

The Short Test of Mental Status can be administered to patients in inpatient and outpatient settings in approximately 5 minutes, and it contains items that test orientation, attention, immediate recall, arithmetic, abstraction, construction, information, and delayed (approximately 3 minutes) recall. The test was administered to a group of demented community patients and their age- and sex-matched control subjects. Using an age-adjusted approach, sensitivity of the test to identifying dementia is 86.4, with a specificity of 93.5. The test was compared with standardized tests of cognitive function such as the Wechsler Adult Intelligence Scale, Mattis Dementia Scale, and the Auditory Verbal Learning Test, and showed a high degree of correlation. Group means and standard deviations for subtest items and total score are presented for control subjects (n = 138), demented patients (n = 130), and patients with memory impairment only (n = 20). Percentile scores for subtest items in control subjects are also provided.

Aged↗
PubMed1989

Echocardiographic monitoring of mental stress test in ischemic heart disease.

Mental stress testing can induce ischemia in coronary patients, but often may not induce chest pain and/or electrocardiographic changes. Therefore, we tested the utility of echocardiography to increase the sensitivity of the method. For this purpose, 56 patients undertook arithmetic mental stress tests and then were subjected to coronary angiography. During the test we evaluated left ventricular function, electrocardiography results, and emotional involvement measured by STAI (State Trait Anxiety Inventory). Echocardiography was positive in 21 patients, and electrocardiogram only in 2 patients. No patient complained of chest pain. The remaining 35 patients were negative. Comparing echo data with coronary angiography, in all the cases, sensitivity was 73.5%, specificity 93.3%. Analysis of the STAI revealed that the negative test we observed could be due to a low stressor efficacy. In conclusion, echocardiography in mental stress testing permits improved sensitivity, with loss of specificity in comparison with conventional electrocardiographic monitoring.

Coronary Disease↗
PubMed2004

Peripheral arterial tonometry: a diagnostic method for detection of myocardial ischemia induced during mental stress tests: a pilot study.

BACKGROUND: Mental stress testing is considered a reliable method for diagnosing patients with coronary heart disease (CHD) who may be at risk for future events. It has been shown recently that myocardial ischemia induced during mental stress tests is specifically associated with peripheral arterial vasoconstriction. HYPOTHESIS: The study was undertaken to test the diagnostic capability of peripheral arterial tonometry (PAT) to detect peripheral arterial vasomotor changes. METHODS: We monitored pulsatile finger blood volume changes using a specially designed finger plethysmograph, PAT that can detect peripheral arterial vasomotor changes. Equilibrium radionuclide angiography (ERNA) was simultaneously performed in 18 male patients at rest and during a mental arithmetic stress test with harassment. All patients had previously diagnosed coronary disease and positive exercise tests. Myocardial ischemia was diagnosed by ERNA when global ejection fraction fell > or = 8% during mental stress or new (or worsened) focal wall motion abnormalities occurred. Peripheral arterial tonometry tracings were considered abnormal when the pulse wave amplitude decreased by > or = 20% from baseline. RESULTS: In 18 patients there were 16 usable studies. In eight patients, both ERNA and PAT were abnormal, and in six patients the tests were negative by both methods. In two cases, the results were discordant. Therefore, when considering an abnormal PAT tracing as indicative of mental stress-driven myocardial ischemia, concordance of the two methods was 88%. CONCLUSION: The use of PAT may facilitate both clinical testing and research during mental stress.

Aged↗
PubMed1997

Serial sevens: not the most effective test of mental status in high school athletes.

OBJECTIVE: To evaluate the ability of uninjured high school athletes to pass three mental status tests that are commonly used on the sidelines for the evaluation of concussions: the serial sevens test, the serial threes test, and recitation of months of year in reverse order (MOYR). PARTICIPANTS: High school student athletes in grades 9, 10, 11, and 12 having sports preparticipation physical examinations. The initial study tested 522 consecutive athletes. The follow-up study tested 109 consecutive athletes. INTERVENTION: The athletes of the initial group were asked to perform a serial sevens test, followed by a serial threes test, and finally to recite the MOYR. The second group was asked to perform the same tests in a random order. MAIN OUTCOME MEASURES: Participants were given 1-min time limits for each test, with passing defined as either 7 consecutive correct iterations or 11 correct with one mistake. RESULTS: For the initial group, 51.3% successfully performed serial sevens, 78.7% successfully performed serial threes, and 89.5% successfully recited the MOYR. For the second group, 52.7% successfully performed serial sevens, 78.1% successfully performed serial threes, and 88.9% successfully recited the MOYR. The pass rates were significantly different for both groups. The pass rates were similar for both sexes, all grade levels, and all sports in both test groups. Participants, both overall and in all subgroups, failed serial sevens more often than serial threes and MOYR (p < 0.001 for the initial group; p < 0.0001 for the second group). They failed serial threes more often than MOYR (p < 0.001 for the initial group; p < 0.01 for the second group). CONCLUSIONS: The percentage of uninjured high school athletes successfully completing serial sevens is too low to make the test useful for evaluation of concussion; the test lacks specificity. The percentage of athletes passing the MOYR was greatest, perhaps making this a better sideline test than the traditional serial sevens test. However, testing needs to be done in injured athletes before clinical application can be recommended.

Adolescent↗
PubMed1987

How to perform mental stress tests.

To study the phenomenon of cardiovascular hyperreactivity it is essential to know the impact of stimulus intensity and the effects induced by repeated exposure to a stressful situation like a mental arithmetic task. All subjects in this study were young healthy male students. Two different mental stressors were used: a mental arithmetic task with low stimulus intensity and one with high stimulus intensity characterised by more challenging instructions, a more competitive situation, and exposure to affective noise. The lower level mental test did not disclose any differences in the hemodynamic response in the subjects. Only the mental stress test with high stimulus intensity proved capable of detecting the cardiovascular hyperreactivity in normotensive subjects with familial hypertension. As hemodynamic response was attenuated during the second mental stress test if the second test was the lower stimulus test, and since repeated stress testing is necessary when prospective or intervention studies are performed, the stimulus intensity and sequence of mental stress tests had to be controlled carefully. To counteract any cardiovascular adaptation, it is suggested that the stimulus intensity of mental stress tests should slightly increase when repeatedly applied.

Adult↗
PubMed1995

[The short- and medium-term ambulatory radionuclide study of left ventricular function (VEST) after aortocoronary bypass].

The aim of the present study was to evaluate the variation in left ventricular function at 15 and 120 days after bypass surgery. Ten male patients (mean age 59.6 +/- 7 years) with previous myocardial infarction and coronary stenosis of at least two main vessels, underwent a radionuclide ambulatory monitoring of left ventricular function (VEST) during: handgrip test, mental stress test, walking, climbing stairs. These tests were carried out 8 +/- 2 days before (T0), 15 +/- 3 days (T1) and 120 +/- 11 days after coronary bypass; heart rate (HR), ejection fraction (EF), stroke volume (SV), and cardiac output (CO) were evaluated beat by beat before and during the test until the maximal HR was reached. Handgrip and mental stress tests did not induce significant variations in cardiac indices both before and after cardiac surgery. No variation in HR was observed before and after the test. During walking, at T0, HR increased from rest to maximal effort (p < 0.01) with a significant decrease in EF (p < 0.05); at T1 HR, EF, SV and CO increased with respect to rest (p < 0.01); AT T2 HR, EF (p < 0.05) and CO (p < 0.01) increased with respect to rest. Climbing stairs, at T0, HR increased (p < 0.01) and EF decreased (p < 0.05); at T1 HR, EF, CO (p < 0.05) and SV (p < 0.01) increased with respect to rest. At T2 an increase in HR (p < 0.01) and CO (p < 0.05) was observed at maximal effort with respect to rest. The statistical analysis on the percentage variations between baseline and maximal effort (climbing stairs) showed a significant increase in SV at T2 compared to T0 (p < 0.01). In conclusion, VEST during daily normal activities 15 days and 4 months after bypass surgery showed a significant increase in cardiac function indices. The best results obtained at T1 can be explained with the transient increase in adrenergic tone at the time of early postoperative period.

Aged↗
PubMed1991

Methodology of mental stress testing in cardiovascular research.

Many issues related to the selection, reliability, and validity of mental stress testing in cardiovascular research are discussed. Five categories of mental stress testing are distinguished: problem-solving tasks, information-processing tasks, psychomotor tasks, affective conditions, and aversive or painful conditions. A series of practical and theoretical criteria are outlined for the selection of appropriate tests, and the measurement of a range of dependent variables is emphasized. The temporal stability of cardiovascular responses to mental stress tests is examined through an analysis of test-retest correlations (weighted for sample size) in 28 comparisons with intervals between sessions varying from 1 day to more than 1 year. Heart rate reactions to tasks show an average-weighted Z of 0.732 +/- 0.031 (r = 0.62), with Z = 0.575 +/- 0.034 (r = 0.52) for systolic blood pressure and Z = 0.313 +/- 0.035 (r = 0.30) for diastolic blood pressure. It is argued that the validity of mental stress tests can be judged in relation to several different aspects, specifically, methodological, ecological, diagnostic, prognostic, and therapeutic validities. The nature of these standards is described, and pertinent literature is presented.

Cardiovascular Diseases↗
PubMed2000

Diagnostic performance of two mental status tests in the older chinese: influence of education and age on cut-off values.

AIMS: To (1) establish the clinical usefulness of the 10-item Abbreviated Mental Test (AMT) and the 18-item Chinese Mini-Mental Status Examination (CMMSE) for detecting cognitive impairment associated with dementia in the elderly Chinese; (2) determine how the tests' optimal cut-off scores varied with the patients' educational level and age; and (3) evaluate which was the more accurate test. METHODS: 151 cognitively-healthy, community dwelling elderly Chinese subjects and 95 elderly Chinese outpatients with dementia were administered the AMT and CMMSE. Receiver-Operating Characteristic (ROC) analysis was used to determine the tests' optimal cut-off scores for each of the education-by-age subgroups and their areas-under-the-curve were compared non-parametrically to evaluate which test was more accurate. RESULTS: Both the AMT and CMMSE could identify cognitive impairment accurately, but higher cut-off values were necessary for the younger and more educated cohort, while lower values were adequate for the older and less educated subgroup. The AMT appeared to reach a ceiling effect in the more educated categories. The diagnostic accuracies of the two instruments were statistically equivalent; there was a trend, however, for the CMMSE to be performing better in the more educated subgroups. CONCLUSIONS: To maximise the diagnostic efficiency of these two clinically useful mental status tests, it is important to adjust their cut-off scores for the patients' education and age. Though no clear superiority of either instrument was established in this study, we recommend the AMT for patients with 0-6 years of education, whereas for those with greater levels of literacy, we think it better to administer the CMMSE.

Age Factors↗
PubMed1990

Maximal exercise testing of mentally retarded adolescents and adults: reliability study.

Few data are available regarding maximal exercise testing of mentally retarded individuals. No data are available on the reliability of maximal exercise testing of mentally retarded individuals. The purpose of this study was to determine the reliability of graded exercise testing of mentally retarded adolescents and adults. The testing was conducted at two geographically different centers. At Center A, 14 mentally retarded adolescents (11 boys, three girls) with Down syndrome, who were educable or trainable, were recruited from a nonresidential school. The subjects completed two Balke-Ware treadmill protocols until exhaustion. The treadmill time and heart rate (HR) were recorded. The time between tests was approximately one week. At Center B, 21 mentally retarded adults (14 women, seven men means IQ = 56) were recruited from local workshops and group homes. These subjects completed a treadmill walking protocol, with metabolic measurements, until exhaustion. The time between tests varied from one to four months. At Center A, the subjects achieved a mean treadmill time of 8.72min on test one and 8.84min on test two (means HR = 174 and 175bpm, respectively). The reliability coefficient between the two tests was .94. At Center B, the subjects achieved a mean V0(2)max of 27.2mL.kg-1.min-1 on test one and 26.9mL.kg-1.min-1 on test two. The reliability coefficient was .93. These data show that maximal exercise testing is reliable for these populations of mentally retarded individuals, exhibiting similar values to their nonretarded peers.

Adolescent↗
PubMed1989

Children of mentally ill mothers: social situation and psychometric testing of mental development.

Children of mothers who satisfied the Research Diagnostic Criteria of (1) Schizophrenia, (2) Alcoholism or Drug Use Disorder, (3) Major Depressive Disorder including Mania, (4) Unspecified Functional Psychosis, and (5) Other Psychiatric Disorder and children of obstetric controls were studied with regard to subsequent mental and behavioural development and social conditions. 72 index children and 17 children from the comparison group were examined at an approximate age of six years by a child psychologist. More index children than those from the comparison group showed impaired mental and behavioural development. The children of abusing mothers in particular tended to have a worse outcome. One-half of the index children were not living with their mothers at the time of follow-up.

Child↗
PubMed1989

Impact of mild to moderate hearing loss on mental status testing. Comparability of standard and written Mini-Mental State Examinations.

Mild to moderate hearing loss has been hypothesized to decrease performance on verbally-administered cognitive tests as an artifact of testing. To evaluate this hypothesis, we conducted a randomized trial of a written version of the Mini-Mental State Examination (MMSE), a cognitive screening instrument which, in its standard form, is primarily verbally administered. After baseline standard MMSE testing, 71 outpatients with Alzheimer's type dementia, 39 of whom (55%) had mild to moderate hearing deficits, and 32 of whom (45%) had normal hearing, were randomly assigned to receive either a written or standard MMSE. Hearing-impaired patients exhibited lower standard MMSE scores than hearing-unimpaired patients at baseline (P = .005). Contrary to expectation, however, on experimental administration, written MMSE scores were somewhat lower than standard MMSE scores in hearing-impaired patients (P not significant). Furthermore, written MMSE scores were slightly higher than standard MMSE scores in hearing-unimpaired patients (P not significant). These results suggest that the diminished cognitive performance associated with mild to moderate hearing loss is not necessarily an artifact of cognitive testing. In addition, these results provide preliminary evidence that a written MMSE is comparable to the standard MMSE and, thus, deserves further consideration for cognitive screening of profoundly hearing-impaired individuals.

Aged↗
PubMed1999

Effects of fosinopril treatment on blood pressure during physical and mental stress test in essential hypertension.

In this study the effects of once daily administration of 10 mg fosinopril on blood pressure response to mental and physical stress were evaluated in mild to moderate essential hypertension. A total of 25 patients (14 women, 9 men) with mild to moderate essential hypertension were enrolled in this study. Before the treatment and after 10 mg/day fosinopril treatment for 2 months, systolic and diastolic blood pressure and heart rate were recorded at rest and while performing a mental arithmetic test. In addition, exercise stress testing with Bruce protocol were performed before and after the treatment and systolic and diastolic blood pressure and heart rate were recorded at rest and during peak exercise. Statistical analysis were done by using the paired t-test. During the mental arithmetic test, systolic and diastolic blood pressure were significantly reduced (p < 0.005 and p < 0.001, respectively) after 2 months fosinopril treatment. Systolic and diastolic blood pressure were also significantly reduced during the exercise stress test (p < 0.005 and p < 0.05) after the treatment. Heart rate did not change during either the mental arithmetic or the exercise test. As a result, once daily 10 mg fosinopril may be effective in reducing blood pressure, not only at rest, but also during stressful situations.

Adult↗
PubMed2003

[Mental stress test in patients with stable coronary artery disease].

UNLABELLED: Myocardial ischemia may be triggered by exercise and non-exercise stimuli. THE PURPOSE: Of this study was to determine the usefulness of laboratory mental stress (MS) in inducing myocardial ischemia and/or cardiac arrhythmia in patients (pts) post myocardial infarction, with stable coronary artery disease. Sixty four men, mean age 45 +/- 6 years underwent: 15 min mental stress test during 24 h Holter monitoring and exercise stress testing. RESULTS: Only 8 pts (13%) had positive mental stress test (MS+). Five of them had ST segment depression > 1.0 mm (STD), and the remaining 3 pts had cardiac arrhythmias. All episodes were silent. MS+ pts had higher heart rate (HR) during the mental test than those with negative stress test (MS-) (120/min vs 105/min, p < 0.05). In contrast, at least one episode of daily life ischemia (DLI) was recorded in 23 pts (36%) on Holter monitoring. In MS+ pts average duration of DLI (17 min) and mean HR during ischemia (124/min) were greater than in MS-pts (respectively 10.5 min and 94/min, p < 0.05). Exercise induced ischemia (STD > 1.0 mm) was observed in 29 of 64 pts (45%). However, in MS+ pts exercise duration (708 +/- 132 s), time to 1 mm STD (432 +/- 108 s) were significantly shorter and double product at 1 mm STD (13,400 +/- 2913 mm Hg/min) was lower than in MS- pts (respectively 924 +/- 174 s, p < 0.01; 624 +/- 162 s, p < 0.01; 14,800 +/- 3321 mmHg/min, p < 0.05). CONCLUSIONS: Mental stress test is a weak inducer of ischemia and arrhythmia in patients with stable coronary artery disease. Patients with mental stress-induced ischemia are more likely to display ischemia during daily life and exercise stress testing.

Coronary Artery Disease↗
PubMed1998

The assessment of autonomic function in patients with systemic amyloidosis: methodological considerations.

Autonomic neuropathy is a well-known and prognostically important feature of systemic amyloidosis. In other conditions, autonomic function is commonly assessed by cardiovascular reflex tests, described by Ewing, but the feasibility of these tests has not been investigated in patients with systemic amyloidosis. We studied autonomic function in amyloidotic patients using cardiovascular tests and assessed their feasibility. Patients with AA, AL and ATTR amyloidosis participated. In all patients, cardiovascular reflex testing (mental arithmetic stress test and head-up tilting, besides the Ewing-tests) was performed. Of the 46 patients included, only 28 patients could perform all 4 Ewing-tests. In particular, patients with AA amyloidosis secondary to rheumatoid arthritis could not perform standing up and the isometric handgrip test. However, when the mental stress test replaced the handgrip test and head-up tilting replaced standing up, in 45 of the 46 patients, autonomic function could be assessed with cardiovascular reflex tests. Half of the patients with AA amyloidosis had signs of autonomic neuropathy--which was more than expected. We propose to replace the isometric handgrip test with the mental arithmetic stress test and standing up with head-up tilting if a patient is not able to perform these tests.

Adolescent↗
PubMed2005

Relationships between spatial activities and scores on the mental rotation test as a function of sex.

Previous results suggested that female college students' scores on the Mental Rotations Test might be related to their prior experience with spatial tasks. For example, women who played video games scored better on the test than their non-game-playing peers, whereas playing video games was not related to men's scores. The present study examined whether participation in different types of spatial activities would be related to women's performance on the Mental Rotations Test. 31 men and 59 women enrolled at a small, private church-affiliated university and majoring in art or music as well as students who participated in intercollegiate athletics completed the Mental Rotations Test. Women's scores on the Mental Rotations Test benefitted from experience with spatial activities; the more types of experience the women had, the better their scores. Thus women who were athletes, musicians, or artists scored better than those women who had no experience with these activities. The opposite results were found for the men. Efforts are currently underway to assess how length of experience and which types of experience are related to scores.

Adolescent↗