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Articles by J. L Kashuk
Total Records ( 2 ) for J. L Kashuk
  C. C Cothren , W. L Biffl , E. E Moore , J. L Kashuk and J. L. Johnson

Hypothesis  We hypothesize that the 2 antithrombotic treatment regimens, systemic heparin sodium vs antiplatelet agents, are equivalent for the treatment of blunt cerebrovascular injuries (BCVIs) to prevent devastating injury-related strokes.

Design  Retrospective review of a prospective database.

Setting  Level I trauma center.

Patients  Patients with BCVIs from January 1, 1997, to January 1, 2007.

Main Outcome Measures  Incidence of cerebrovascular accident (CVA), stratified by treatment.

Results  During the study period, 422 BCVIs were identified in 301 patients (64.8% men; mean [SEM] age, 37.0 [0.8] years; mean [SEM] injury severity score, 27.0 [0.9]). A total of 22 patients presented with neurologic ischemia, and 5 patients sustained CVAs after embolization and/or stenting of an injury. Treatment was initiated for 282 asymptomatic BCVIs (heparin, 192; aspirin, 67; aspirin and/or clopidogrel, 23); 1 patient had a CVA (0.5%). Of 107 patients with untreated, asymptomatic BCVIs, 23 (21.5%) had a CVA. For untreated patients sustaining BCVI-related CVAs, the mean (SEM) time to diagnosis was 58 (10) hours. For those who did not exhibit symptoms within 2 hours of injury, mean time to diagnosis of CVA was 75 (11) hours. Injury healing rates (heparin, 39%; aspirin, 43%; aspirin/clopidogrel, 46%) and injury progression rates (12%; 10%; 15%) were equivalent between therapeutic regimens.

Conclusions  With an overall CVA risk of 21% and a documented latent period, comprehensive screening, early diagnosis, and institution of antithrombotic therapy for BCVI are clearly warranted. The type of treatment, heparin vs antiplatelet agents, does not appear to affect either stroke risk or injury healing rates.

  J. L Johnson , E. E Moore , J. L Kashuk , A Banerjee , C. C Cothren , W. L Biffl and A. Sauaia

Hypothesis  Transfusion of fresh frozen plasma (FFP) and platelets is independently associated with the development of multiple organ failure (MOF) in critically injured patients.

Design  Prospective cohort study.

Setting  Academic regional level I trauma center.

Patients  From 1992 to 2004, a total of 1440 critically injured patients were admitted to our surgical intensive care unit and survived at least 48 hours. Of these, 1415 had complete data on age, Injury Severity Score (ISS), and units of FFP, platelets, and packed red blood cells (PRBCs) transfused. Multiple organ failure was defined using the Denver MOF score. Multiple logistic regression analysis was used to adjust transfusion of FFP, platelets, and PRBCs for known MOF risk factors.

Main Outcome Measure  Multiple organ failure.

Results  The mean (SD) ISS was 29.3 (11.3), and the mean (SD) patient age was 37.4 (16.6) years. Among 1440 patients, 346 (24.0%) developed MOF, and 118 (8.2%) died. Multiple logistic regression analysis detected a significant interaction between units of FFP and PRBCs transfused (P < .001). Regardless of the units of PRBCs transfused, FFP transfusion was independently associated with the development of MOF. However, the deleterious effect associated with FFP transfusion was more prominent among patients receiving fewer than 6 U of PRBCs. Platelet transfusion was unassociated with MOF after adjustment for age, ISS, and FFP and PRBC transfusion.

Conclusions  Early transfusion of FFP is associated with an increased risk of postinjury MOF, even after adjusting for age, ISS, and PRBC transfusion. Caution is warranted in developing protocols for empirical FFP transfusion. Specifically, transfusion triggers for FFP should be reexamined, as well as the practice of delivering FFP in fixed ratios to the units of PRBCs transfused.

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