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Biomedical subjects

E Saiag

Publications and source records attributed to E Saiag.

5 recordsLinked to original sources
PubMed2000

Reversible deafness caused by biotinidase deficiency.

We present a child with complete biotinidase deficiency who developed bilateral sensorineural deafness without a response to a maximal stimulus of 90 dB in brainstem acoustic-evoked response. After treatment with 20 mg biotin daily, a repeated brainstem acoustic-evoked response demonstrated an improved hearing threshold of 65 dB, and the child began to talk. The case is a rare example of reversible hearing loss caused by to biotinidase deficiency and highlights the need for immediate replacement therapy once the diagnosis is established.

Amidohydrolases↗
PubMed2000

Clinical information system based on the medical smart card.

BACKGROUND: Over the last 5 years Israel has implemented a nationwide health insurance plan covering the entire population of the country. We have developed a clinical information system based on electronic-chip health care medical smart cards. Health care cards are used in several European countries and chip smart cards have been successful in many sectors. Our project involves the community use of the MSC, thereby enabling health care professionals to skillfully employ card systems in the health care sector. This system can easily arrange electronic medical charts in clinics, facilitating the confidential sharing of personal health databases among health professionals. OBJECTIVES: To develop an MSC applicable for daily use in the community and hospital system. RESULTS AND CONCLUSIONS: The MSC project, currently underway in Israel and the USA, will aid in determining the costs, benefits and feasibility of the MSC. Successful implementation of the MSC in chosen clinics will promote a nationwide willingness to adopt this promising technology.

Humans↗
PubMed1996

In vivo measurement of human tibial strains during vigorous activity.

Our understanding of mechanical controls on bone remodeling comes from studies of animals with surgically implanted strain gages, but in vivo strain measurements have been made in a single human only once. That study showed that strains in the human tibia during walking and running are well below the fracture threshold. However, strains have never been monitored in vivo during vigorous activity in people, even though prolonged strenuous activity may be responsible for the occurrence of stress fractures. We hypothesized that strains > 3000 microstrain could be produced on the human tibial midshaft during vigorous activity. Strains were measured on the tibiae of two subjects via implanted strain gauges under conditions similar to those experienced by Israeli infantry recruits. Principal compressive and shear strains were greatest for uphill and downhill zigzag running, reaching nearly 2000 microstrain in some cases, about three times higher than recorded during walking. Strain rates were highest during sprinting and downhill running, reaching 0.050/sec. These results show that strain is maintained below 2000 microstrain even under conditions of strenuous activity. Strain rates are higher than previously recorded in human studies, but well within the range reported for running animals.

Analysis of Variance↗
PubMed1994

[Subdural empyema complicating sinusitis].

Paranasal sinusitis complicated by subdural empyema (SDE) in a 14-year-old boy is described. He presented with fever, headache and vomiting. X-rays revealed left maxillary and bilateral frontal sinusitis. While in the emergency room he had seizures; CT-scan showed an air leak adjacent to the right frontal sinus. Despite intravenous antibiotics, left hemiparesis developed and repeat CT showed interhemispheric SDE. Frontal craniotomy was performed and a large amount of purulent material was drained. Recovery followed 4 weeks of intravenous antibiotic treatment without neurologic sequelae. SDE is a rare complication of paranasal sinusitis and constitutes approximately 20% of all localized intracranial infections. Clinical features include fever, headache, vomiting, convulsions and neurologic deficits. Modern imaging methods and combined surgical and antibiotic treatment have lowered mortality to 5-10%. A high index of suspicion is important for early diagnosis and successful treatment.

Adolescent↗