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Biomedical subjects

C Peter

Publications and source records attributed to C Peter.

27 records · Page 2Linked to original sources

Adult follow-up of the acquired aphasia-epilepsy syndrome in childhood. Report of 7 cases.

The authors report at adult age 7 patients (6 men, one woman) with the syndrome of "acquired aphasia-epilepsy", 6 of which had been previously studied as children. The results of the language, neuropsychological and socio-educational evaluation detailed many years after the onset of the aphasia are the subject of this report. One man has recovered completely, one has a normal oral language but is severely dyslexic, one has recovered normal comprehension but has severe expressive language problems. Four have absent language comprehension and lack of expressive speech, and only one of them has learned and is using sign language with some efficiency. None has developed functional written language. Attempts to offer a substitutive language to children with prolonged inability to understand and use oral language appears important but is fraught with problems. Although there are no conclusive data about the role of the continuous paroxysmal EEG discharges and the effect of their suppression with drug treatment on the prognosis of the aphasia, the definite fluctuations of the aphasia in some cases, the isolated recent case reports of definitive improvement with drug treatment justify further trials in this potentially severe and chronic condition.

Adolescent↗

Norfloxacin: review of safety studies.

The tolerability profile of norfloxacin, the first of a new generation of fluoroquinolone carboxylic acid antibacterials, has been defined in numerous laboratory animal and human trials. Whether administered for moderate or protracted periods, norfloxacin has been relatively safe in animals over a wide range of doses. There has been no evidence of a teratogenic effect in any of the animal species tested (rat, rabbit, mouse, monkey) at six to 50 times the human dose (400 mg twice daily). However, norfloxacin has been shown to produce embryonic loss in monkeys when given in doses 10 times the maximal human dose, resulting in peak plasma levels that are two to three times those obtained in humans. Although there are no adequate and well-controlled studies in pregnant women, norfloxacin is not recommended for use in this population because it, like other drugs in this class, causes arthropathy in immature animals. In animals, norfloxacin is neither mutagenic nor carcinogenic, and, in clinical trials, norfloxacin-related adverse experiences have been uncommon. Those that have occurred have been generally mild, requiring discontinuation of therapy in less than 1 percent of patients. The most frequently reported side effects have been nausea, dyspepsia, headache, and dizziness. Administration of 400 mg of norfloxacin at two or three times a day has been associated with reasonably good gastrointestinal tolerance.

Animals↗

Comparative evaluation of New York City and modified Thayer-Martin media for isolation of Neisseria gonorrhoeae.

Commercially manufactured New York City (NYC) medium and modified Thayer-Martin (MTM) medium were compared for their ability to isolate Neisseria gonorrhoeae from clinical specimens. Twenty-seven public health laboratories throughout California evaluated 4,802 specimens collected from patients attending either sexually transmitted disease or family planning clinics. Total of 726 and 737 N. gonorrhoeae isolates were recovered from NYC and MTM medium, respectively. Although less contamination was noted on NYC medium, MTM medium was equivalent to commercially prepared NYC medium for the isolation of N. gonorrhoeae from clinical specimens.

Cervix Uteri↗

[Arteriovenous fistulae for periodic hemodialysis: a simple procedure for correcting distal complications of venous origin].

A method is proposed for treatment of venous stasis responsible for edema and trophic disorders of the hand after side-to-side arteriovenous fistula at the wrist. A full lumen anastomosis is performed between the cephalic vein of the thumb (distal in relation to the fistula) and the superficial cubital vein, using a subcutaneous tunnel created on the dorsal surface of the wrist. Applied to 7 patients this procedure led to regression of edema, and only one case of thrombosis in the 2nd postoperative month. In the other 6 patients the newly formed anastomosis remained permeable when examined after a mean follow up of 3 years.

Edema↗