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Biomedical subjects

J Cruickshank

Publications and source records attributed to J Cruickshank.

26 records · Page 2Linked to original sources

A prospective controlled study of the effect on blood pressure of contraceptive preparations containing different types and dosages of progestogen.

A prospective controlled study investigated the effects of oral contraceptives on blood pressure in 485 women who were between 17 and 46 years of age and had blood pressures of less than 140/90 mmHg at entry. The women were divided into seven groups depending on the chosen method of contraception: intrauterine device or barrier method (control group): ethinyl oestradiol 30 micrograms plus levonorgestrel 150 micrograms (Microgynon-30 or Ovranette); norethisterone 350 micrograms (Micronor); norgestrel 75 micrograms (Neogest); norethisterone oenanthate 200 mg intramuscularly every 2 months for the first 6 months, then every 3 months thereafter; ethinyl oestradiol 30 micrograms plus ethynodiol diacetate 2 mg (Conova-30); and ethynodiol diacetate 500 micrograms (Femulen). Blood pressures were measured every 3 months by the family planning clinic nurse under standardized conditions using an Elag-Köln automatic sphygmomanometer. After one year, blood pressure had risen significantly (P less than 0.05) in the 137 women taking ethinyl oestradiol plus levonorgestrel (mean systolic and diastolic rises 6.4 and 2.7 mmHg respectively) and in the 91 women taking ethinyl oestradiol plus ethynodiol diacetate (mean systolic and diastolic rises 6.2 and 3.0 mmHg respectively). The 94 women taking the progestogen-only preparations and the 143 women in the control group showed no increases in blood pressure. These data were confirmed after 2 years of follow-up.

Adolescent↗

Antenatal detection of recurrence of Majewski dwarf (short rib-polydactyly syndrome type II Majewski).

Two cases of Majewski dwarfism are reported. both were the product of the same non-consanguinous marriage and each exhibited the key features of this syndrome: polysyndactyly, short ribs, cleft lip, disproportionately short tibiae and a normal pelvis. The first infant, a baby boy, died shortly after birth, whilst the second was detected prenatally by ultrasound and had female characteristics. Several skeletal dysplasias have been demonstrated in utero by ultrasound, but we believe this to be the first reported case of a Majewski dwarf detected by this method. In view of the difficulty in diagnosis of this syndrome comparison is made with other short rib-polydactyly syndromes.

Adult↗

Cardiac sequelae of acute head injury.

An intensive 72 hour study of the cardiovascular effects of severe diffuse brain injury was made in seven patients. No other major injury was present. Patients received optimal care very rapidly after injury and intracranial pressure, which was continuously monitored, was maintained at or just above normal by elective positive pressure ventilation techniques. Three patients showed evidence of progressive myocardial ischaemia on continuous electrocardiographic monitoring. Two of these patients died. Ventricular arrhythmias were uncommon but one of the patients with ischaemia developed ventricular tachycardia. Heart rate patterns were very abnormal but did not predict complications. Blood pressure did not vary greatly and cardiac outputs were usually normal. Pronounced excesses of urinary catecholamines and serum creatine kinase 2 isoenzyme (CK MB) as well as total creatine kinase were found. Histological evidence of myocardial damage could be shown at necropsy in the one case whose heart was available for study. This study shows that the cardiac effects of isolated diffuse cerebral injury may be harmful and even fatal despite correction of secondary factors such as anoxia and raised intracranial pressure. The findings suggest that evaluation of the potential benefits of sympathetic blockade is warranted. Cardiac complications of cerebral damage deserve wider recognition by intensive care personnel, neurologists, and neurosurgeons.

Adolescent↗

A midwife to the dying.

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Attitude of Health Personnel↗

Developing a hospital nursing research program.

Including nursing research as a stream in the nursing career structure in Western Australia paved the way for development of the Nursing Research Department at Sir Charles Gairdner Hospital. Over the last two years a program of research activities has been introduced to assist nurses to evaluate their practice, to critique the research and apply its results in patient care.

Clinical Competence↗