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Biomedical subjects

P Montambault

Publications and source records attributed to P Montambault.

8 recordsLinked to original sources
PubMed1977

Long-term treatment of severe hypertension with minoxidil.

Minoxidil, a new potent hypotensive agent, was used as the primary antihypertensive agent in 11 patients--10 men and 1 woman aged 35 to 54 years with severe hypertension that was refractory to treatment with maximal (or maximally tolerated) doses of conventional antihypertensive agents. Six patients had severely impaired renal function and three of them were undergoing long-term hemodialysis. The patients were given 2.5 to 40 mg/d of minoxidil for periods of 2 to 29 months. All except one who was almost anuric received propranolol and diuretics. Blood pressure was controlled satisfactorily in all patients. In two patients the hypertension became partially resistant after 1 year of treatment. The main side effects were sodium retention, tachycardia and hirsutism. Renal function remained stable or improved and hemodialysis was discontinued in two patients. Minoxidil is a remarkably potent hypotensive with relatively few side effects and seems particularly advantageous in patients with chronic renal failure.

Adult↗
PubMed1977

[Potomania: re-evaluation of the diagnostic tests and unusual presentation with hydronephrosis and megabladder].

Three cases of compulsive polydipsia previously diagnosed as diabetes insipidus are presented. Abnormally dilated bladder and pyelocalyceal systems were accompanying features, as previously described for diabetes insipidus, particularly of renal orign. Results of the hypertonic saline (Hickey-Hare) test were positive in only one case. Results of restriction of liquids followed by intravenous injection of vasopressin (Miller test) favoured a diagnosis of complete diabetes insipidus. These two tests cannot, therefore, exclude compulsive polydipsia. The features suggesting a diagnosis of compulsive water drinking are low plasma osmolality, a decrease in 24-hour urine output following water restriction, and abnormal behaviour. The diagnosis is confirmed by an 18-hour dehydration test done after gradual fluid restriction, which favours partial restoration of the papillary osmotic gradient.

Adolescent↗
PubMed1976

[The kidney].

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Humans↗
PubMed1975

Spontaneous autorosette-forming cells in man. A marker for a subset population of T lymphocytes?

A subpopulation of human peripheral blood lymphocytes are capable of binding with human (autologous or allogeneic) erythrocytes, forming rosettes. The conditions which lead to autorosette formation are similar to those required for sheep red-cell rosetting. Ageing human erythrocytes are shown to bear less of the determinants involved in the phenomenon than younger ones. Evidence is presented that autorosetting is a T-cell marker. As autorosette-forming cells are very sensitive to the inhibiting effects of ATG they could therefore belong to a T-cell subpopulation.

Antilymphocyte Serum↗