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Biomedical subjects

E D Soria

Publications and source records attributed to E D Soria.

13 recordsLinked to original sources
PubMed1998

The contributions of Dr. Roswell Park to epilepsy and spinal surgery.

ROSWELL PARK, M.D., (1852-1914) is remembered for founding the world's first cancer institute that now bears his name a century ago, The Roswell Park Cancer Institute, and for an unfortunate association with the mortal wounding of President William McKinley in Buffalo, NY, in 1901. Park's accomplishments as a pioneer American neurosurgeon have been overlooked. After Park was appointed as Chair of Surgery at the University of Buffalo in 1884, he became the first American surgeon to precisely localize and remove a posttraumatic epileptic focus in the absence of external scars in 1886. Park introduced American physicians and surgeons to David Ferrier's research on localization of cerebral cortical function and Victor Horsley's techniques for extirpating epileptic foci. In 1895, Park became the first American surgeon to successfully treat spina bifida. In the same year, he wrote the first American monograph on surgery of the head. Park's case reports of successful operations on patients deemed almost incurable reveal boldness and ingenuity. Park's untimely death truncated a promising career.

Epilepsy↗
PubMed1995

Contributions of the founders of Craig Colony to epileptology and public care of epileptics: 1890-1915.

Craig Colony in Sonyea, New York, was America's first comprehensive public epilepsy center. The background to its establishment (the first patients were admitted in 1896) and its role as a model for other institutions is described. The history of the first 25 years of the Colony is recounted and the contributions to epileptology, and the legacy to health care, of the founders--William Pryor Letchworth, Frederick Peterson, Roswell Park, William P. Spratling and Frederick Munson--are assessed.

Epilepsy↗
PubMed1995

The medical-moral account on epilepsy by Pedro de Horta: a historical review.

We bring to reader's attention the book Medical-Moral Account of the Most Troublesome and Rigorous Illness of Epilepsy, written in 1754 by the Mexican physician Pedro de Horta. This book is the earliest text on epilepsy written in the New World. We examine Pedro de Horta's medical and religious concepts of epilepsy and analyze concepts of epilepsy in Hispanic communities during the eighteenth century.

Epilepsy↗
PubMed1992

Early studies on the biological effects of high-intensity magnetic fields.

In 1892, Frederick Peterson described the experiences of humans exposed to magnetic fields of strength comparable to those currently used in magnetic resonance imaging. These investigations were conducted in the Edison Laboratory. None of the subjects exposed to constant and to time-variable magnetic fields suffered any ill effects. Peterson concluded that the human organism was in no way appreciably affected by the most powerful magnets known to nineteenth-century science. Peterson can be credited with the first truly scientific assessment of the biological effects of high-intensity magnetic fields. His experiments on humans, done one century ago with great cogency and skill, provide a source of inspiration to modern studies on magnetic resonance imaging.

Diagnostic Imaging↗
PubMed1991

Myths about vitamin B12 deficiency.

Neurologic manifestations of vitamin B12 deficiency are protean, including neuropathy, depression, and dementia. We present evidence to dispel confounding myths about vitamin B12 deficiency. Hematologic indices are normal in up to 30% of patients with vitamin B12 deficiency, and results of the Schilling test may be normal in patients with symptoms of deficiency. Isolated neuropathy or myelopathy may occur independently, but often appear concurrently. The neuropathy is primarily axonal and predominantly sensory. Myelopathy is caused by demyelinated areas in posterior and lateral columns. After therapy, recovery from neuropathy is incomplete or may extend for several years. Vitamin B12 replacement should not be withheld from patients with borderline vitamin B12 levels, since the consequences of allowing myelopathy, neuropathy, dementia, and mental disorders to worsen clearly outweigh any disadvantage of therapy.

Adult↗
PubMed1990

Tremor studies in 1886 through 1889.

From biblical times to 1886, tremors were partially characterized by patterns of activation and associated disease states. William Richard Gowers and Frederick Peterson devised methods to determine the frequencies of the tremors of Parkinson's disease, alcoholism, hysteria, and other diseases. Their values concur closely with the contemporary ranges of 4.0 to 7.0 Hz in Parkinson's disease and 8.1 to 11.0 Hz in chronic alcoholism. This review properly credits these authors' pioneer investigations made with simple instruments a century ago.

England↗
PubMed1990

Impairment of taste in the Guillain-Barré syndrome.

Involvement of those cranial nerves subserving taste is common in the Guillain-Barré syndrome, yet seldom reported are disturbances of taste. This may reflect relative sparing of taste fibers, which are small thinly myelinated fibers. However, the true incidence of taste disturbances in GBS is probably underestimated since formal taste testing is often not performed, particularly in those cases where patients have been intubated. We observed two patients with GBS and abnormalities of taste. Disturbances of taste are often neglected clinically and the clinical evaluation of taste has been hampered by lack of standardization of stimuli and lack of quantification of responses.

Adult↗
PubMed1988

Traumatic aneurysms of cerebral vessels: a case study and review of the literature.

Traumatic cerebral aneurysms (TCAs) are rare: few more than 100 cases are recorded in the world literature. TCAs are located predominantly in the supratentorial compartment and are classified as either "true" or "false." A true aneurysm is a dilation resulting from partial disruption of the arterial wall. A false aneurysm results from a full-thickness tear, with the scar from the brain tissue or an organized hematoma acting as the aneurysmal wall. The authors present a case of a false traumatic aneurysm of the pericallosal artery, which was discovered in a young patient fourteen months after a self-inflicted gunshot wound to his head. The aneurysm was an incidental finding on a CT scan performed for the investigation of his late posttraumatic seizures. Its presence was confirmed by angiography. The interval between the traumatic episode and the diagnosis of a TCA usually ranges from a few hours to a few weeks, for most are discovered by angiography performed in the acute or subacute stage of a head injury. The long interval between the injury and the diagnosis in our case is exceptional. A previous CT scan done four months after the injury did not reveal the aneurysm, which strongly suggests a protracted growth of the aneurysmal sac long after the trauma.

Adult↗
PubMedDate not supplied

Somatosensory evoked potentials in the neurological sequelae of treated vitamin B12 deficiency.

10 patients with chronic sequelae from vitamin B12 deficiency showed a characteristic profile of abnormalities of median and peroneal somatosensory evoked potentials: mild to moderately slow peripheral conduction to Erb's point, normal conduction or mild slowing across the cervical portion of the median somatosensory evoked potentials, and absence or severe slowing of impulse propagation along the spinal cord with the peroneal somatosensory evoked potentials. These findings are compared with those of other published series of somatosensory evoked potentials in vitamin B12 deficiency. These results shed light on the chronic physiological and anatomical residuals in the nervous system of patients treated for vitamin B12 deficiency.

Adult↗