==================================CMR03================================== 3. Laminar airflow treatment for cancer patients. Children and laminar air flow. Psychological concerns regarding laminar air flow. Psychological well-being in laminar air flow. 1 UI - 87058111 AU - Ravussin E ; Lillioja S ; Anderson TE ; Christin L ; Bogardus C TI - Determinants of 24-hour energy expenditure in man. Methods and results using a respiratory chamber. AB - Daily human energy requirements calculated from separate components of energy expenditure are inaccurate and usually in poor agreement with measured energy intakes. Measurement of energy expenditure over periods of 24 h or longer is needed to determine more accurately rates of daily energy expenditure in humans. We provide a detailed description of a human respiratory chamber and methods used to determine rates of energy expenditure over 24-h periods in 177 subjects. The results show that: fat-free mass (FFM) as estimated by densitometry is the best available determinant of 24-h energy expenditures (24EE) and explains 81% of the variance observed between individuals (24EE [kcal/d] = 597 + 26.5 FFM); 24EE in an individual is very reproducible (coefficient of variation = 2.4%); and even when adjusted for differences in FFM, there is still considerable interperson variability of the daily energy expenditure. A large portion of the variability of 24EE among individuals, independent of differences in body size, was due to variability in the degree of spontaneous physical activity, i.e., "fidgeting,: which accounted for 100-800 kcal/d in these subjects. MH - Activities of Daily Living ; Basal Metabolism ; Body Weight ; Calorimetry ; *Energy Metabolism ; *Environment, Controlled ; Food ; Human ; Obesity/METABOLISM ; Oxygen Consumption ; Regression Analysis ; Sleep/PHYSIOLOGY ; Time Factors SO - J Clin Invest 1986 Dec;78(6):1568-78 2 UI - 87022832 AU - Geissler CA ; Dzumbira TM ; Noor MI TI - Validation of a field technique for the measurement of energy expenditure: factorial method versus continuous respirometry. AB - The field technique for measuring daily energy expenditure, using activity diary plus short-term indirect calorimetry, was validated with a room respirometer. Eleven male and 14 female subjects spent 24-h periods in the respirometer and kept an activity diary to the nearest minute. Subsequently, the energy cost of the recorded activities was measured in duplicate, and 24-h expenditure was calculated. Over the 42 24-h measurements the mean value by the factorial field method was within 1% of that from continuous indirect calorimetry. However, the error in individual daily expenditure ranged from -17% to +25%. Correction of the error involved in using calculated BMR for the cost of sleeping resulted in a 5% mean underestimation of the daily value. The factorial method is, therefore, too inaccurate for the estimation of individual daily expenditures but provides a close estimate of the true energy expenditure for population groups. MH - Adult ; Calorimetry/*INSTRUMENTATION ; Calorimetry, Indirect/ *INSTRUMENTATION ; Comparative Study ; *Energy Metabolism ; *Environment, Controlled ; Exertion ; Female ; Human ; Male ; Respiration ; Sleep/PHYSIOLOGY ; Support, U.S. Gov't, Non-P.H.S. SO - Am J Clin Nutr 1986 Nov;44(5):596-602 3 UI - 86321869 AU - Daga SR ; Chandrashekhar L ; Pol PP ; Patole S TI - Appropriate technology in keeping babies warm in India. AB - Provision of a thermoneutral environment to the newborns has made an important contribution to improved neonatal survivals. Modern systems which only warm one baby are expensive and their maintenance not very easy. Warming a room with three to four babies by means of simple devices is cost-effective and should be preferred by those to whom cost matters very much. MH - Body Temperature Regulation ; *Environment, Controlled ; Heating ; *Hospital Units ; Human ; India ; *Infant Care ; *Infant, Newborn ; Technology, Medical ; Transportation of Patients SO - Ann Trop Paediatr 1986 Mar;6(1):23-5 4 UI - 86276943 AU - Petersen FB ; Buckner CD ; Clift RA ; Lee S ; Nelson N ; Counts GW ; Meyers JD ; Sanders JE ; Stewart PS ; Bensinger WI ; et al TI - Laminar air flow isolation and decontamination: a prospective randomized study of the effects of prophylactic systemic antibiotics in bone marrow transplant patients. AB - 122 patients with hematologic malignancies underwent allogeneic marrow transplantation from HLA-matched sibling donors and received one of two forms of infection prophylaxis while granulocytopenic: 1) decontamination and laminar air flow isolation (LAF, 68 patients), and 2) LAF plus prophylactic systemic antibiotics (LAF + PSA, 54 patients). Patients were evaluated for infection acquisition while in isolation. Septicemia occurred in 11 (16%) of the patients in the LAF group and in three (6%) patients in the LAF + PSA group. Fourteen (21%) of the patients in the LAF group and four (7%) patients in the LAF + PSA group had a major local infection. There was no difference in the incidence and severity of graft-versus-host disease or incidence and duration of fever. The addition of prophylactic intravenous broad-spectrum antibiotics for patients isolated in LAF rooms significantly decreased infection acquisition. MH - Adolescence ; Adult ; Antibiotics/*THERAPEUTIC USE ; Bone Marrow/ *TRANSPLANTATION ; Child ; Child, Preschool ; Environment, Controlled ; Graft vs Host Disease/OCCURRENCE ; Granulocytes ; Human ; Infection/OCCURRENCE/*PREVENTION & CONTROL ; Leukocyte Count ; Middle Age ; *Patient Isolation ; *Premedication ; Prospective Studies ; Pulmonary Fibrosis/OCCURRENCE ; Random Allocation ; Septicemia/OCCURRENCE/PREVENTION & CONTROL ; Sterilization ; Support, Non-U.S. Gov't ; Support, U.S. Gov't, P.H.S. SO - Infection 1986 May-Jun;14(3):115-21 5 UI - 86245745 AU - Guerra IC ; Shearer WT TI - Environmental control in management of immunodeficient patients: experience with "David:. AB - Environmental control in managing patients with immunodeficiency ranges from the exceedingly complex to the relatively simple. At one end of the spectrum is the total isolation technology applied to David, the "Bubble Boy: who lived his entire life behind sterile plastic barriers. At the other end of the spectrum is the simpler technology applied to patients receiving bone marrow transplants who are maintained in ordinary private hospital rooms and attended by personnel who merely observe handwashing precautions. Most properly performed and controlled studies of the use of special isolation procedures to reduce infections derive from patients receiving bone marrow transplants for conditions of aplastic anemia and leukemia or patients receiving chemotherapy for malignancy. The design of isolation procedures for immunodeficient patients borrows from these studies because of the relatively small number of immunodeficient patients. These studies have shown that laminar airflow rooms produce a significantly lower incidence of infections but may not change the mortality of all patients. Also, protective isolation has clearly reduced the incidence and severity of graft-versus-host disease in transplanted patients with aplastic anemia. Recently there has been a trend away from strict isolation procedures because careful studies have indicated that host rather than acquired pathogens are responsible for at least 85% of infections in these special patients. Also, the human stress of prolonged isolation is becoming increasingly recognized. The complex and expensive isolation techniques that were used in David's case are no longer being utilized in immunodeficient subjects, partly because new transplantation technology has made it possible to cross histocompatibility barriers, obviating the need for permanent isolation. MH - Bacterial Infections/ETIOLOGY/*PREVENTION & CONTROL ; Child ; *Environment, Controlled ; Human ; Immunologic Deficiency Syndromes/COMPLICATIONS/ECONOMICS/*THERAPY ; Male ; Patient Isolation/ECONOMICS/*METHODS/PSYCHOLOGY ; Review ; Support, Non-U.S. Gov't ; Support, U.S. Gov't, P.H.S. SO - Clin Immunol Immunopathol 1986 Jul;40(1):128-35