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Biomedical subjects

E T Martin

Publications and source records attributed to E T Martin.

6 recordsLinked to original sources

Recurrent tonsillitis: histologic and bacteriologic evaluation.

Histologic and bacteriologic evaluations of tonsils removed at surgery from ten patients with a diagnosis of recurrent tonsillitis were performed. The bacteriology was complex, with an average of 6.3 aerobic bacteria and 3.3 anaerobic bacteria isolated from each patient. Histologic sections revealed chronic cryptitis, with intact tonsillar architecture. These findings provide a possible explanation for the failure of commonly used antibiotic regimens to eradicate recurrent infection from this site.

Adolescent

Clinical evaluation of the Lumac bioluminescence method for screening urine specimens.

A bioluminescence method for screening urine cultures to provide rapid reporting of negative specimens and to select appropriate urine cultures for direct application of automated identification methods was evaluated. A total of 2,000 specimens were processed in the Lumac Biocounter (3M, St. Paul, Minn.), and the results were compared with quantitative culture techniques by using a 0.001-ml inoculating loop. A total of 841 specimens were positive by the bioluminescence method; 291 specimens were culture positive (greater than or equal to 50,000 CFU of one or two organisms per ml). Positive cultures represented more than 20 different organisms. Approximately two-thirds of the false-positive results represented mixed flora or pure cultures of less than 5 X 10(4) organisms per ml. The predictive value of a negative result was 98.4%, reflecting a false-negative rate of only 0.7%. No advantages in cost or technician time were noted, but the Lumac method appears to be a useful technique in decreasing reporting time, especially for negative urine cultures.

Bacteriuria

Sudden unexpected death as a result of anomalous origin of the right coronary artery from the left sinus of Valsalva.

The association of sudden unexpected death with coronary artery anomalies has been limited to cases of anomalous origin of the left main coronary artery, either from the right sinus of Valsalva or from the main pulmonary artery. In contrast, anomalies involving the origin of the right coronary artery have been considered to be benign. Postmortem examination in a patient who died suddenly at 23 years of age disclosed that the right coronary artery originated anomalously from the left sinus of Valsalva. The findings in this patient: (1) constitute the first necropsy documentation of premature sudden unexpected death in a patient whose sole pathologic abnormality was anomalous origin of the right coronary artery; (2) have important implications regarding previously proposed mechanisms of sudden death due to anomalous origin of the left main coronary artery; and (3) support recent suggestions that markedly acute angulation of either coronary artery, even when located in the appropriate sinus of Valsalva, may predispose to sudden unexpected death.

Adult

Intragranular starch: comparison of starch USP and modified cornstarch.

Incorporation of starch USP or a modified cornstarch within the granules of several drug formulations was investigated. In general, the formulation containing the modified starch exhibited improved processing characteristics as well as improved tablet properties. A comparison of a granulated and a direct compression formulation of the same ingradients indicated that granulation of an active ingredient is not necessarily detrimental to its (pharmaceutical) availability.

Acetaminophen