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  • 1
    Electronic Resource
    Electronic Resource
    A new device to remove obstruction from endotracheal tubes during mechanical ventilation in critically ill patients (1994)
    Springer
    Intensive care medicine 20 (1994), S. 573-576 
    Details
    ISSN: 1432-1238
    Keywords: Mechanical ventilation ; Endotracheal tubes ; Obstruction ; Acute respiratory failure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective To evaluate the efficiency of a new device developed to remove obstructions from endotracheal tubes (ETT) in mechanically ventilated patients. Design Open study in mechanically ventilated sedated and paralyzed ICU patients. Setting General ICU and Laboratory of Respiratory Mechanics of the University of Rome “La Sapienza”. Patients 8 consecutive unselected mechanically ventilated, critically ill patients in which a partial obstruction of ETT was suspected on the basis of an increase of the peak inspiratory pressure (〉20%) plus the difficult introduction of a standard suction catheter. Interventions Obstructions to ETT were removed with an experimental “obstruction remover” (OR) Measurements “In vivo” ETT airflow resistance (0.25; 0.5; 0.75; 1l/s) was evaluated before and after use of the OR; the work of breathing necessary to overcome ETT resistance (WOBett) was also evaluated before and after OR use. Results The use of OR significantly reduced in all patients the ETT “in vivo” resistance (From 5.5±2.3 to 2.9±0.5 cmH2O/l/s at 0.25l/s,p〈0.05; from 9±2.4 to 3.8±0.8 cmH2O/l/s at 0.51l/s; from 12.2±3.5 to 5.7±1.2 cmH2O/l/s at 0.75l/s; from 16.9±6 to 9.3±3.8 cmH2O/l/s at 1l/s,p〈0.01 respectively). Also the WOBett was significantly reduced after use of the OR (from 0.66±0.19 to 0.34±0.08 J/l;p〈0.05) Conclusion This experimental device can be safely and successfully used to remove obstructions from the ETT lumen, without suspending mechanical ventilation, reducing the need for rapid ETT substitution in emergency and life-threatening situations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01705724
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    HLA class I residue mismatch and renal graft outcome (2000)
    Springer
    Transplant international 13 (2000), S. S444 
    Details
    ISSN: 1432-2277
    Keywords: Key words HLA class I matching ; Cadaveric renal transplant ; Crossreactive antigens (CREG) ; Flow cytometric crossmatch (FCXM) ; Anti-HLA alloantibodies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Donor-recipient HLA matching was retrospectively evaluated in 111 cadaveric renal transplants using Takemoto's ten-residue model in which HLA class I antigens are clustered by crossreactive group (CREGs) on the basis of amino acid sequence homology and the sharing of a particular public epitope. The grade and type of HLA residue mismatching were correlated to posttransplant, class I donor-specific antibody production (monitored by flow cytometry crossmatch), rejection occurrence and clinical outcome during the 1st year posttransplant. In 52 patients with 0 mismatchings (MMs) we observed a low incidence of rejection (11.1 %) and antibody production (11.1 %) for 0 CREG MM grade, while 1 MM was enough to increase immune response against graft (rejection 35 %; antibodies 30 %). Moreover, a significant correlation was observed between Q144, E163, Q62 and L82/R82 epitopes and the incidence of acute rejection and antibody production (“immunogenic” residues) in patients grouped for a single residue mismatch.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001470050379
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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