Post-chest closure values of CVP and PAPi were significantly associated with severe RVF. Echocardiographic assessment of RV function post-CPB was weakly associated with severe RVF.

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BACKGROUND: This prospective observational study aimed to determine the infection rate of simple hand laceration (SHL), and to compare infection rates between patients who were prescribed antibiotics and those who were not. METHODS:The study was performed at two urban hospitals enrolling 125 emergency department (ED) patients with SHL. Exclusion criteria included patients with lacerations for more than 12 hours, immunocompromized patients, patients given antibiotics, and patients with gross contamination, bites or crush injuries. Wound infection was defi ned as clinical infection at a follow-up visit (10-14 days) or wound was treated with antibiotics. Patient satisfaction was also measured using a visual analogue scale 1-10, asking the patients about wound appearance. Demographic data and wound characteristics were compared between the infected and non-infected wounds. The infection rates were also compared between patients who received prophylactic antibiotics and those who did not. The results were presented with medians and quartiles or percentages with 95% confi dence intervals (CI). RESULTS:In the 125 patients with SHL [median age: 28 (18, 43); range: 1-102 years old; 36% female], 44 (35%, 95% CI: 27%-44%) were given antibiotics in the ED. Wound infection was reported in 6 patients (4.8%, 95% CI: 2%-10%). Age, gender, history of diabetes and wound closure were not associated with wound infection (P>0.05). The infection rate was not signifi cantly different between patients with or without antibiotic prophylaxis [7% (3/44), 95% CI: 2%-10% vs. 4% (3/81), 95% CI: 1%-11%, P=0.66]. Patient's satisfaction with appearance of infected and non-infected wounds were signifi cantly different [7.5 (6, 8) vs. 9 (8, 10), P=0.01].CONCLUSION: Approximately 5% of simple hand lacerations become infected. Age, gender, diabetes, prophylactic antibiotics and closure technique do not affect the risk of infection.

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