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Biomedical subjects

S A McKenzie

Publications and source records attributed to S A McKenzie.

At least 19 recordsLinked to original sources
PubMed1992

Paediatric psychotherapy: a service in a general outpatient clinic.

The service of paediatric psychotherapy to a general paediatric outpatient clinic is described. Using techniques developed to suit paediatric patients a median of nine patients each clinic were treated. Referral symptoms resolved in a median time of four months after a median of seven sessions. This model for the management of paediatric patients with emotional and behavioural difficulties may allow an effective and efficient use of psychotherapy time.

Adolescent↗
PubMed1992

Patient retention.

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Appointments and Schedules↗
PubMed1992

Patient retention.

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Appointments and Schedules↗
PubMed1990

Transcutaneous oxygen saturation in sleeping infants: prone and supine.

Pulse oximetry was used to measure transcutaneous arterial oxygen saturation in infants aged 2 to 11 months prone and supine in quiet sleep. Groups of healthy infants (n = 34), infants with upper respiratory tract infections (n = 13), and infants with generalised moderately severe lower respiratory tract infections (n = 17) were studied. No clinically important differences were demonstrated in any of these groups, although there was a small advantage in the prone position in the group with lower respiratory tract infection. The effect of posture on infants with more severe lower respiratory tract infection and during active sleep has yet to be determined.

Blood Gas Monitoring, Transcutaneous↗
PubMed1989

Comparison of pulse oximeters in healthy sleeping infants.

Four commercially available pulse oximeters were compared on normal infants to determine incidence and correct identification of movement artefact, and to assess their other features, in order to guide the potential user in the most appropriate choice of a machine to suit their purposes. Measurements of arterial oxygen saturation by pulse oximetry are distorted by movement artefact. During five one hour recording periods, over 100 artefacts occurred with each machine. The incidence of movement artefact differed between oximeters. Twice as many occurred when the Criticare 500 was used. The four oximeters differed in their ability to identify artefacts. The Novametrix 500 was best able to do this. A visual display aided observer recognition of artefacts. Other features of the different machines are described. An expansion of the use of pulse oximetry beyond the intensive care unit is suggested.

Evaluation Studies as Topic↗