Thiazide-induced pulmonary edema: a case report.

A 42-year-old white female developed severe respiratory distress 30 minutes following the ingestion of hydrochlorothiazide. On her arrival at the emergency room, pulmonary edema was evident by physical examination and chest radiograph. She presented without evidence of a gallop, jugular venous distention, or history suggesting cardiac disease. Normal electrocardiogram (ECG) and echocardiogram, and a radionuclide ventriculogram showing normal systolic and diastolic functions supported the noncardiac origin. The patient responded to supportive treatment within hours although the radiographic abnormalities persisted for several days. A review of the literature revealed that at least 12 other cases have been described of this unusual but life threatening idiosyncratic reaction to hydrochlorothiazide.

Delineation and quantitation of human peripheral blood lymphocyte subpopulations by electrophoretic mobility and role of surface charge in cell to cell interaction.

A modified procedure is proposed for determination of electrophoretic mobility (EPM) of lymphocytes which enables readings on 200 cells from a sample size of 5 x 106 lymphocytes. In normal human peripheral blood, B lymphocytes (bearing surface immunoglobulin and receptor for activated C3) were found to carry the lowest charge (0.94 +/- 0.05 mu/sec/V/cm). Their number on the EPM basis was 16.9 +/- 4.2%. Two subpopulations of T lymphocytes, one carrying high charge (TH) with a mean EPM of 1.26 +/- 0.04 mu/sec/V/cm and the other carrying lower charge (TL) with a mean EPM of 1.11 +/- 0.03 mu/sec/V/cm were discernible. The former subpopulation of T cells formed spontaneous rosettes with SRBC in 10 min and the latter represented the remaining T lymphocytes which formed rosettes with 24 hr of incubation with SRBC. The number of early rosette-forming cells increases from 69 to 89% when T cells were incubated with neuraminidase-treated SRBC. These observations suggest that complementary electrostatic charge on T cells and SRBC are among the forces facilitating formation of rosettes between these cells.

Lack of interaction of circulating T cells with phytohemagglutinin in bacillary positive untreated lepromatous leprosy patients--identification of subpopulation of lymphocytes by shifts in electrophoretic mobility.

Incubation of human peripheral blood lymphocytes from normal healthy subjects with phytohamagglutinin (PHA), causes the reduction of the surface charge of a subpopulation of T cells by 1363 +/- 242 e.s.u./cm2. The affected subpopulation was predominantly the high charge-bearing cells identifiable with early (10 min) rosette-forming cells with sheep erythrocytes. Purified lymphocytes obtained from untreated bacillary-positive, lepromatous leprosy patients contained high charge-bearing T lymphocyte subpopulation. However, incubation with PHA did not result in the shift of electrophoretic mobility of these cells, suggesting the absence of interacting sites for the mitogen on the surface of these cells. The absence of mitogen-interacting sites is not an inherent trait of leprosy patients; the surface charge of lymphocytes from Dapsone-treated bacillary-negative subjects was reduced upon incubation with PHA. A close correlation was found between the number of cells whose charge alters on incubation with PHA and the transformation index obtained with this mitogen.