Search PubMed⌕ Search

SEARCH · Search PubMed

Results for “Capillary Permeability”

Search indexed PubMed citations on genomics, clinical trials, systematic reviews and public health. Explore titles, authors and supplied subject terms, then open the PubMed record.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 883 records · Page 49Linked to original sources
PubMed1990

[Ultrastructure of capillary permeability in human brain tumor: primary meningeal malignant melanoma].

The tumor vessels of a primary meningeal malignant melanoma were studied by electron microscopy. There were numerous endothelial fenestrae and basal lamina abnormalities in the intrinsic tumor capillaries. They resembled the tumor vessels found in nonglial tumors, but were distinctly different from those seen in glial tumors with nonfenestrated capillaries. These findings were anticipated because leptomeninges have fenestrated capillaries.

Basement Membrane↗
PubMed1983

Plasma volume regulation during heat stress: albumin synthesis vs capillary permeability. A comparison between desert and non-desert species.

1. Plasma albumin synthesis was measured in rats and sand rats (Psammomys obesus) during heat acclimation (34 degrees C) and following thermal dehydration (37 degrees C) using 3H 1-leucine as a tracer. 2. In rats, heat acclimation resulted in 48% reduction in albumin synthesis. In sand rats synthesis increased by 160%. Both species achieved a new stabilization of the albumin synthetic system on the 5th day of acclimation. 3. Following thermal dehydration albumin synthesis increased in rats and decreased in sand rats. Acclimation did not alter this response. 4. In our dehydrating system plasma volume was maintained via maintenance of adequate albumin mass. In rats, albumin synthesis apparently contributes to this process. In sand rat, vascular permeability rather than albumin synthesis plays this role.

Adaptation, Physiological↗
PubMed1984

Sequential hemofiltration in nonoliguric high capillary permeability pulmonary edema of severe sepsis: preliminary report.

Five patients with nonoliguric adult respiratory distress syndrome (ARDS) secondary to severe sepsis showed improved blood oxygenation after up to 36 h of conventional therapy and mechanical ventilation with optimal positive end-expiratory pressure. However, metabolic acidosis was unchanged, and blood urea had increased. Some patients showed hemodynamic signs of incipient heart failure. After sequential hemofiltration, the altered physiologic shunt and blood pH returned to normal. Chest x-rays showed clearing of interstitial pulmonary edema. Patients recovered from ARDS in spite of fluid accumulation. Mechanical ventilation was stopped up to 8.5 h after the last hemofiltration. We postulate that convective ultrafiltration clears the blood of circulating low- and middle-weight vasoactive molecules implicated in the development of high microvascular permeability acute pulmonary edema secondary to sepsis.

Adult↗