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Biomedical subjects

E W Streib

Publications and source records attributed to E W Streib.

At least 19 recordsLinked to original sources
PubMed2004

Current helmet and protective equipment usage among previously injured ATV and motorcycle riders.

Injury recidivism among trauma patients may be related to an individual pattern of high risk behaviors. The extent to which an injury episode modifies this behavior pattern is unknown. A self report, voluntary, anonymous, cross sectional survey was administered to motorcycle and all-terrain vehicle (ATV) riders at a popular recreation site. Data included demographics, injury history, and current usage of helmet and protective gear. Two hundred eighty surveys were completed. History of ATV/motorcycle related minor and major injury were reported by 21% and 9%, respectively. Persons with a history of minor ATV/motorcycle injury only were less likely to use a helmet or protective equipment (78% v 74%, p = 0.58 and 49% v 41%, p = 0.29). Persons with a history of any major ATV/motorcycle injury were also less likely to use a helmet or protective equipment (77% v 56%, p = 0.03 and 48% v 40%, p = 0.53). These findings suggest a pattern of persistent high risk behavior among previously injured persons.

Accident Proneness↗
PubMed1997

Value of helical computed tomography, angiography, and endoscopic ultrasound in determining resectability of periampullary carcinoma.

BACKGROUND: High-quality preoperative radiographic evaluation is crucial in selecting patients with periampullary carcinomas who are candidates for surgical exploration and tumor resection while minimizing the rate of unnecessary laparotomy. METHODS: Twenty-one consecutive patients were prospectively investigated using helical computed tomography (CT) scanning, endoscopic ultrasonography (EUS), and selective visceral angiography (SVA) to determine tumor resectability. All patients were explored and resectability determined. RESULTS: Helical CT had a sensitivity of 63%, a specificity of 100%, and an overall accuracy of 86%. EUS had a sensitivity of 75%, a specificity of 77%, and an overall accuracy of 76%. SVA had a sensitivity of 38%, a specificity of 92%, and an overall accuracy of 71%. CONCLUSIONS: Helical CT scanning is the best preoperative imaging test to determine tumor resectability. EUS is more sensitive than CT for tumor detection, but underestimates resectability. SVA is no longer helpful in the preoperative evaluation of these malignancies.

Aged↗
PubMed1990

Distal ulnar neuropathy as a cause of finger tremor: a case report.

A secretary/typist developed work-related pain along the hypothenar aspect of the dominant hand. This was later followed by involuntary, finally continuous tremorous movements of the 4th and 5th fingers. Electromyographic abnormalities were limited to myokymia of 3rd and 4th interossei muscles. Surgical decompression of Guyon's canal with removal of the pisiform bone resulted in a complete cure.

Fasciculation↗
PubMed1989

Congenital muscular dystrophy with leukoencephalopathy.

Two patients with 'benign' congenital muscular dystrophy (CMD) have been observed for several years. Symptoms and signs of central nervous system (CNS) disease occurred at the age of 7 and 16 years, respectively. CNS involvement in CMD may be more common than generally recognized, slowly progressive and delayed in onset. The combination of congenital hypotonia, contractures, 'dystrophic' muscle biopsy changes and diffuse subcortical hypodensity on computed-tomographic scans seems unique and specific for CMD and of differential diagnostic significance.

Adult↗
PubMed1987

Paramyotonia congenita: successful treatment with tocainide. Clinical and electrophysiologic findings in seven patients.

Seven patients with paramyotonia congenita (PC) from two families were studied. Voluntary exercise of the hand muscles was performed at different hand temperatures, both before and after treatment with tocainide. All patients developed stiffness, prolonged weakness, and small compound muscle action potentials (CMAPs) following exercise; the temperature at which this occurred was individually different. Two patients with PC and associated episodes of generalized weakness underwent potassium loading. A prolonged exercise test was performed both immediately before and 90 minutes after K-loading. Exercise-induced weakness and CMAP-decline occurred only with high serum K levels. Thiazide treatment in these two patients was ineffective. All seven patients responded well to tocainide. Treatment response and side effects were dose-dependent. Good clinical improvement has been maintained in all patients for more than 6 months, with relatively small doses of tocainide (400-1200 mg/day).

Action Potentials↗
PubMed1987

AAEE minimonograph #27: differential diagnosis of myotonic syndromes.

Recent advances in neuromuscular diseases have also widened the diagnostic spectrum of myotonic disorders. Treatment, prognosis, and genetic aspects are different in the various syndromes and mandate a correct diagnosis. The combination of neurologic examination, standard EMG, exercise test, cold exposure, potassium loading, eye examination, and pedigree analysis allows correct classification of nearly all patients with myotonic disorders. In this review emphasis is placed on clinical features and electrophysiologic evaluation.

Diagnosis, Differential↗
PubMed1986

Successful treatment with tocainide of recessive generalized congenital myotonia.

A patient with recessive generalized congenital myotonia and severe, disabling weakness underwent various forms of treatment while being monitored electrophysiologically. Phenytoin, verapamil, and acetazolamide were ineffective, but tocainide yielded good results. Improvement was dose-dependent, and was limited by irritability and action tremor when the patient was taking 1,600 mg per day.

Genes, Recessive↗
PubMed1985

Mitral valve prolapse in myotonic dystrophy.

Forty-three patients with myotonic dystrophy (MyD) and 43 age- and sex-matched controls were prospectively evaluated for mitral valve prolapse (MVP) using both cardiac auscultation and echocardiography (ECHO). Prevalence of MVP was significantly increased in MyD patients when using either abnormal auscultation plus abnormal ECHO (23.3%, P less than 0.02) or abnormal ECHO alone (30%, P less than 0.01) as diagnostic criteria for MVP. Frequency of MVP was even more increased in patients with a thin, flat chest compared with patients with normal physical appearance (P less than 0.007). These findings are in support of the concept that the increased frequency of MVP in neuromuscular disorders is likely due to geometrical changes of the heart caused by thorax deformities, rather than structural changes of the mitral valve. For this reason, MVP in MyD probably belongs to the entity of so-called benign, secondary MVP. This is further supported by the absence of symptoms of "systemic" complications of MVP in our patient population.

Adolescent↗
PubMed1985

Distal ulnar neuropathy. Clinical and electrophysiologic aspects.

Nine patients with distal ulnar neuropathy were studied. Weakness of the hand muscles was the only abnormality in six patients; abnormal sensation was present in two patients. The cause was known in seven patients: chronic "occupational" nerve compression occurred in three meat packers and two long-distance bicyclists--acute blunt trauma to the palm of the hand in two patients. Our study indicates that electromyographic abnormalities in distal ulnar neuropathy are more variable than reported. The electromyographic findings indicated predominant axonal degeneration of motor nerve fibers, contrasting also to electromyographic abnormalities seen in entrapment neuropathies. The reasons for these differences are discussed.

Adult↗
PubMed1984

Hypertrophic form of peroneal muscular atrophy (PMA): unusual nerve conduction results.

A family with a hypertrophic form of peroneal muscular atrophy (PMA) was studied with typical clinical and electrophysiological abnormalities in the propositus and her child. The propositus' father was asymptomatic and slowing of nerve conduction velocities was limited to the peroneal nerves. Actual parentage was confirmed by 22 different serologic and electrophoretic marker systems.

Adolescent↗