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Biomedical subjects

S Capria

Publications and source records attributed to S Capria.

22 records · Page 2Linked to original sources

Pneumonia in allogenic and autologous bone marrow recipients. A retrospective study.

Pulmonary infections, which frequently occur during the early and late period following bone marrow transplantation for hematologic malignancies, are associated with significant morbidity and mortality. In this study the incidence, the infectious causes of pneumonia and the mortality related to pneumonia in 130 allogeneic and 290 autologous bone marrow recipients are reviewed. Both the incidence and the mortality by pneumonia were far lower in autologous than in allogeneic bone marrow recipients.

Adolescent↗

Biochemical indices may not accurately reflect changes in nutritional status after allogeneic bone marrow transplantation.

The validity of biochemical indices routinely used for nutritional assessment was evaluated in patients undergoing allogeneic bone marrow transplantation for hematologic malignancies. Sixteen patients received total parenteral nutrition (TPN) for 15 days (35 kcal kg.body wt-1.day-1; 1.4 g amino acid.kg body wt-1.day-1) starting 1 day after transplantation. Nutritional status was evaluated before and after the TPN period by determining anthropometric (body weight, triceps skinfold thickness, and midarm circumference) and biochemical (transferrin, prealbumin, ceruloplasmin, and C3c) indices. Anthropometric indices, which were within the normal range before TPN, were not changed on day 15; transferrin and prealbumin concentrations significantly (p = 0.03) decreased whereas ceruloplasmin and C3c significantly (p = 0.03) increased. The levels of acute-phase proteins (alpha-1-acid glycoprotein, alpha-1-antitrypsin, and C-reactive protein), determined in 8 of the 16 patients at the same time intervals, were increased after 15 days of TPN and were significantly inversely correlated with transferrin and prealbumin. On the basis of these data, it appears that biochemical indices are not sufficiently reliable in the nutritional assessment of bone marrow transplantation patients because the levels of these substances are markedly affected by the acute-phase response secondary to febrile episodes and graft-versus-host disease, which frequently complicate transplantation.

Acute-Phase Proteins↗

Lack of efficacy of a double autograft program to prolong survival of chronic myelogenous leukemia patients in blastic transformation.

The prognosis of patients in blast crisis of chronic myelogenous leukemia treated with conventional polychemotherapy is extremely poor. Autologous blood stem cell transplantation has been proposed by several authors, and the possibility of achieving a second chronic phase (CP), albeit very short lived, has been reported. In our study, we evaluated the feasibility and efficacy of a double sequential autograft program utilizing two different conditioning regimens. Nine patients underwent the first autograft, but only three were eligible for the second because of one early death, four relapses and one patient who underwent mismatched alloBMT. Of the three patients receiving the second graft, we observed 2 toxic deaths and one relapse six months after transplantation. We conclude that our experience with double autograft in this phase of the disease is very disappointing. since it was associated with prohibitive toxicity in the absence of any advantages in terms of survival for these patients.

Adolescent↗