Risk factors for postpolypectomy bleeding in patients receiving anticoagulation or antiplatelet medications.

Background And Aims: Balancing the risks for thromboembolism and postpolypectomy bleeding in patients requiring anticoagulation and antiplatelet agents is challenging. We investigated the incidence and risk factors for postpolypectomy bleeding on anticoagulation, including heparin bridge and other antithrombotic therapy.

Methods: We performed a retrospective cohort and case control study at 2 tertiary-care medical centers from 2004 to 2012.

Pathologic predictive factors for lymph node metastasis in submucosal invasive (T1) colorectal cancer: a systematic review and meta-analysis.

Background: Colorectal adenocarcinoma with depth of invasion ≤1,000 μm from the muscularis mucosa and favorable histology is now considered for local resection. We aimed to examine the strength of evidence for this emerging practice.

Methods: We searched Medline, Scopus, and Cochrane (1950-2011), then performed a meta-analysis on the risk of lymph node metastasis in nonpedunculated (sessile and nonpolypoid) T1 colorectal cancers.

Socioeconomic disparity in healthcare-seeking behavior among Chinese Women with genitourinary symptoms.

Background: Sexually transmitted infections (STIs) are of growing concern in China. Understanding the relationship between socioeconomic status (SES) and healthcare-seeking (HCS) behavior will help design effective policies to contain the epidemic of STIs across SES.

Methods: We used the Chinese Health and Family Life Survey, a nationally representative survey of 3813 adults from 48 Chinese cities and counties during 1999-2000.