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1.
Article in Chinese | WPRIM | ID: wpr-382762

ABSTRACT

Objective To evaluate mechanical radial scanning endoscopic ultrasonography (EUS) for preoperative tumor and lymph node ( TN ) staging of esophageal cancer. Methods From January 2010 to June 2010, a total of 60 patients with esophageal cancer underwent preoperative staging with mechanical radial scanning EUS. The findings of EUS were compared with postoperative pathological outcomes. Results EUS accurately predicted T stage in 80 % of cases and N stage in 71% cases. Sensitivities to T1 , T2 , T3 and T4 were 75% , 100% , 96% and 50% , respectively, and those to N0 and N1 were 55% and 100% , respectively. With exclusion of 11 patients with un-passable lesions, the accurate rate of EUS in T staging of focal and advanced cancers was 90% ( 44/49 ). Conclusion Mechanical radial scanning EUS can accurately predict T and N stages in preoperative patients with esophageal cancer, which also exhibits high differential accuracy in focal and advanced esophageal cancer.

2.
Article in Chinese | WPRIM | ID: wpr-594928

ABSTRACT

OBJECTIVE To investigate the distribution of nosocomial infection(NI) in patients after surgical procedures and antimicrobial resistant change of pathogens. METHODS A total of 195 strains of pathogenic bacteria isolated from the samples after surgical procedures from Jan 2006 to Dec 2006 were analyzed by WalkAway-40 system with NC31 system. RESULTS Among the 195 strains of pathogenic bacteria,there were Gram-negative bacilli(74.4%) and Gram-positive cocci(25.6%).The dominating microorganisms were Escherichia coli,Klebsiella pneumoniae,Pseudomonas aeruginosa and Staphylococcus aureus.The result showed that vancomycin and imipenem still had better activities to the bacteria. CONCLUSIONS Surgical incision infection should be monitored by some effective measures,and it is very important to prevent surgical infection and use antibiotics reasonably.

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