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Biomedical subjects

Mel B Glenn

Publications and source records attributed to Mel B Glenn.

5 recordsLinked to original sources

Effects of methylphenidate on heart rate and blood pressure among inpatients with acquired brain injury.

OBJECTIVE: The purpose of this study was to evaluate the effects of methylphenidate on heart rate and blood pressure in patients with acquired brain injury. DESIGN: The records of 60 consecutive hospitalized patients with acquired brain injury were reviewed for treatment with methylphenidate. Seventeen patients met the inclusion criteria. Systolic blood pressure, diastolic blood pressure, and heart rate recordings were compared before and after the introduction of methylphenidate. RESULTS: There was no significant difference in mean systolic blood pressure, diastolic blood pressure, and heart rate when patients received (118 mm Hg, 74 mm Hg, and 88 bpm) and did not receive (118 mm Hg, 73 mm Hg, and 86 bpm) methylphenidate. It was unclear whether there was a true trend toward medication effect on heart rate and blood pressure during the peak dose period. CONCLUSIONS: This retrospective study points to safe sympathetic effects of methylphenidate, yet future prospective studies are warranted to clarify the effects of methylphenidate on heart rate and blood pressure in the acquired brain injury population.

Adult↗

Cutoff score on the apathy evaluation scale in subjects with traumatic brain injury.

This cross-sectional study was designed to determine a cutoff score on the Apathy Evaluation Scale (AES) that predicts a clinician's designation of a subject with TBI as apathetic or not. Forty-five outpatients with TBI completed the AES-S, and 37 family members, friends, or significant others filled out the AES-I. Three clinicians prospectively gave their impressions of the presence or absence of apathy and retrospectively chose the degree of apathy on a 7-point subjective rating scale. The data was analysed by logistic regression and Receiver Operating Characteristic (ROC) curve. Sensitivity and specificity were calculated. No cutoff score on the AES-S or AES-I was found to have reasonable sensitivity and specificity with respect to the ability to predict the clinician's designation of a subject as apathetic. The AES requires further study if it is to be used to measure apathy following TBI.

Adolescent↗

A differential diagnostic approach to the pharmacological treatment of cognitive, behavioral, and affective disorders after traumatic brain injury.

The choice of pharmacologic treatment for cognitive, behavioral, or affective disorders following TBI depends upon an accurate diagnosis of the underlying disorder responsible for the clinical picture presented. However there are a myriad of possible causes for each sign or symptom, and often several contributing factors. A differential diagnostic approach is presented that structures the search for etiology into several categories: preinjury diagnosis, neuropsychological disorders, sensorimotor disorder, medical disorders, adverse effects of medications, reactive mood and anxiety disorders, and sleep disorders.

Brain Injuries↗

Ginseng.

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Affect↗