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Biomedical subjects

J R Moss

Publications and source records attributed to J R Moss.

8 recordsLinked to original sources
PubMed1991

Home oxygen therapy: an audit of survival.

A retrospective audit of the medical records and respiratory function data of 186 subjects placed on long term continuous home oxygen therapy between 1979 and 1988 was undertaken. Kaplan-Meier survival curves were constructed for subjects with Chronic Obstructive Airways Disease (COAD) and Interstitial Lung Disease (ILD). There was an almost twofold greater mortality rate for COAD subjects at 12 months when compared to the Medical Research Council Working Party (MRC) and the Nocturnal Oxygen Therapy multicentre clinical trials (NOTT). However, the mean values of the baseline physiological parameters were similar to these major studies of long term oxygen therapy. Survival of ILD patients was significantly less than COAD patients (p less than 0.001). Within both disease categories, females survived significantly longer than males. Within the COAD category the observed sex difference was not abolished when the data was controlled for age, Pco2, Po2 and pack-years (as an estimate of total cigarette consumption). However, prior smoking history appeared to modify the male-female difference in COAD survival. These are the first Australian survivorship data for patients on long term oxygen therapy. The more adverse survival figures compared with the overseas studies may reflect the co-existence of other diseases.

Aged↗
PubMed1987

A hypothesis concerning Clostridium perfringens type A enterotoxin (CPE) and sudden infant death syndrome (SIDS).

This study identifies the presence of Clostridium perfringens type A enterotoxin (CPE) in some gastrointestinal and serum samples from babies who had died of the Sudden Infant Death Syndrome (SIDS) and other causes. On occasion antibodies to this toxin were identified in sera. CPE is parasympathomimetic in its action. In the adult food poisoning model it is produced when the organism sporulates in vivo. This leads to speculation as to whether this toxin may play an ante-mortem role in the dying process of infants, either in the agonal stages or as a causative factor in SIDS.

Bacterial Toxins↗
PubMed1978

Have the Samaritans lowered the suicide rate? A controlled study.

Suicide rates in towns with a Samaritan branch were compared with rates in matched control towns without a branch. Four methods of choosing controls are described, all of which have advantages over those used by Bagley (1968). No statistically significant differences between Samaritan and control towns were found. The scientific case for the effectiveness of the Samaritans in reducing the suicide rate is therefore seriously weakened.

Crisis Intervention↗
PubMed1976

Medical student assessment of videotape for teaching in diagnostic radiology.

A series of six videotape recordings, prepared jointly by the Department of Radiodiagnosis and the Television Service, University of Leeds, described some aspects of the radiology of the chest, using only radiographs. A small group of final year medical students viewed these videotapes over the space of few days. Their scores for factual questions immediately afterwards were compared with their attitudes to the learning experience, expressed anonymously without knowledge of these scores. Students who scored the highest marks were most consistently critical of the videotapes; those with lower marks tended to record favourable attitudes when they performed best and unfavourable attitudes at other times. Scales set up by the students themselves to evaluate the experience produced a wide range of detailed and constructive suggestions. In general, students commented very favourably on the capacity of videotape to present fine radiographic details and we conclude that it is an appropriate medium for this purpose.

Attitude of Health Personnel↗
PubMedDate not supplied

Accurate assessment of infant emesis volume.

When infants vomit, hospital nurses sometimes record these volumes in ccs. Fluid replacement is often based on these estimates. A review of the literature indicates that this subjective assessment is highly problematic.

Humans↗