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Biomedical subjects

Y Sachdev

Publications and source records attributed to Y Sachdev.

13 recordsLinked to original sources
PubMed1979

Heterogeneity of failure of visual acuity in Graves' disease.

The eye manifestations of Graves' disease are usually mild and self-limiting. Occasionally they follow a progressive course leading to visual loss and total blindness. The ocular manifestations bear no relationship to the metabolic state and may appear before, during or after onset of thyrotoxicosis. Characteristically they become evident at about the time of onset of hypermetabolism. Various factors responsible for the failure of visual acuity are discussed with case illustrations.

Adult↗
PubMed1977

Addison's disease with renal microangiopathy and renal failure (a new syndrome).

A syndrome comprising Addison's disease, renal microangiopathy and renal failure is described in two patients. The renal lesions manifested despite corticosteroid replacement therapy and were characterized by glomerular damage and thrombo-microangiopathic changes in afferent arterioles and intralobular arteries. Both patients died as a result of their renal disease.

Addison Disease↗
PubMed1976

Programmed investigation unit.

The programmed investigation unit (PIU) is a inpatient unit where a full range of investigational medicine can be organised. It provides the basic minimum nursing care and is suitable for ambulant patients who can care for themselves. Requests for admission to the PIU at the Royal Victoria Infirmary, Newcastle upon Tyne, come directly from clinical units, and the staff of these units perform some of the tests and remain responsible for the patient while she is in the unit. At present the unit caters only for female medical patients. The average waiting time for admission is three weeks, and because the unit now deals with most investigations the waiting time for admission to the female general medical wards has fallen considerably. The staff of the unit have gained expertise in diagnostic methods, while the nurses of general medical wards have been free to concentrate on nursing those patients who need it. Separating patients who need investigations from those on general medical wards seems a logical way of using resources and staff to best effect.

Diagnosis↗
PubMed1976

The empty sella syndrome.

The empty sella syndrome (ESS) presents a varied clinical and radiographic picture. It may remain asymptomatic or may stimulate an intrasellar growth thereby causing diagnostic and therapeutic problems. An air encephalogram (AEG) is required for diagnosis. The purpose of this paper is to review the clinical and radiological features of the ESS and to discuss the pathogenetic mechanisms involved.

Humans↗
PubMed1975

Bromocriptine therapy in acromegaly.

Bromocriptine (CB-154, Sandoz) has been given to 21 acromegalic patients (11 female, 10 male) for a period of 6-10 months. The mean serum growth-hormone (G.H.) levels ranged from 10 mug/1 to 512 mug/1 before therapy. Bromocriptine suppressed G.H. values to 5 mug/1 or less in 4 patients and to less than 10 mug/1 in a further 8 patients, but in 2 patients G.H. levels did not show any significant reduction. Bromocriptine did not block stress-induced G.H. secretion. It did not distrub pituitary function other than secretion of prolactin and had negligible side-effects. Its effect on tumour size is uncertain and it is therefore unsuitable for patients with suprasellar extension of the tumour. Otherwise it seems reasonable to offer a trial of bromocriptine to all patients with acromegaly where therapy is deemed necessary. In those who show a full response of G.H. levels with a dose of 20-40 mg of bromocriptine per day, external radiation to the pituitary can be used to prevent tumour expansion and bromocriptine withdrawn at intervals to assess the effect of the radiation. In patients with a partial response to bromocriptine, the decision to offer alternative therapy depends on the extent of the response and on the age and medical condition of the patient. In patients who fail to respond to bromocriptine, particularly those younger patients with active disease, more definitive local treatment (e.g., trans-sphenoidal removal of the tumour or yttrium-90 implantation) would be indicated. Bromocriptine may also be used with benefit in the large number of patients who have shown a partial response to other forms of therapy.

11-Hydroxycorticosteroids↗
PubMed1975

Effusions into body cavities in hypothyroidism.

Effusions into body cavities secondary to hypothyroidism, though rare, are well recognised. They may precede the more specific and typical manifestations of the disease, thereby misleading the clinician.

Ascites↗