A single episode of systemic capillary leak syndrome is reported in a HIV-positive patient. The shock had necessitated the infusion of large amounts of fluid with concomitant diffuse swelling and weight gain leading to compartment syndrome of both legs. This required surgical relief. The initial high hematocrit (62%) and low serum protein concentration (48 g/l) with normal factor V (molecular weight above 300,000) concentrations are the hallmark of capillary leak when they are associated with hypovolemic shock. It must be emphasized that fluid resuscitation may worsen the muscle damage with ultimate compartment syndrome. Therefore, it appears reasonable to monitor muscular pressure during volume expansion in patients with capillary leak syndrome, severe shock and muscular swelling.

Bronchoalveolar lavages were performed in 21 patients undergoing mechanical ventilation: Group I: coma due to sedative overdose (11 cases), without pulmonary impairment, serving as control group; Group II: severe acute pulmonary disease without ARDS (5 cases); Group III: patients with ARDS (5 cases). In the recovered fluid we measured: total proteins (P) and phospholipids (PL), phospholipasic (PLase) and prophospholipasic (PPLase) activities. In ARDS group, considerable increase of P, (p less than 0.001), and a doubling of PL (p less than 0.02) was found. Total PLase activity was present in all three groups, with a higher mean level in Group III (p less than 0.01). PPLase activities were low or undetectable in four patients of this group. PLase/PL ratio was increased in acute respiratory insufficiency, with or without ARDS, suggesting an increase of surfactant catabolism. The decrease of this ratio when pulmonary function improved, or its increase after deterioration suggest that it is related to changes of surfactant.

No abstract

No abstract