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Surgical site infections (SSIs) following colorectal surgery (CRS) are among the most common healthcare-associated infections (HAIs). Reduction in colorectal SSI rates is an important goal for surgical quality improvement.
To examine rates of SSI in patients with and without cancer and to identify potential predictors of SSI risk following CRS
American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) data files for 2011–2013 from a sample of 12 National Comprehensive Cancer Network (NCCN) member institutions were combined. Pooled SSI rates for colorectal procedures were calculated and risk was evaluated. The independent importance of potential risk factors was assessed using logistic regression.
Of 22 invited NCCN centers, 11 participated (50%). Colorectal procedures were selected by principal procedure current procedural technology (CPT) code. Cancer was defined by International Classification of Disease, Ninth Revision, Clinical Modification (ICD-9-CM) codes.
The primary outcome of interest was 30-day SSI rate.
A total of 652 SSIs (11.06%) were reported among 5,893 CRSs. Risk of SSI was similar for patients with and without cancer. Among CRS patients with underlying cancer, disseminated cancer (SSI rate, 17.5%; odds ratio [OR], 1.66; 95% confidence interval [CI], 1.23–2.26; P=.001), ASA score ≥3 (OR, 1.41; 95% CI, 1.09–1.83; P=.001), chronic obstructive pulmonary disease (COPD; OR, 1.6; 95% CI, 1.06–2.53; P=.02), and longer duration of procedure were associated with development of SSI.
Patients with disseminated cancer are at a higher risk for developing SSI. ASA score >3, COPD, and longer duration of surgery predict SSI risk. Disseminated cancer should be further evaluated by the Centers for Disease Control and Prevention (CDC) in generating risk-adjusted outcomes.
For families with multiple cases of bipolar disorder this study explored: attitudes towards childbearing; causal attributions for bipolar disorder, in particular the degree to which a genetic model is endorsed and its impact on the perceived stigma of bipolar disorder; and predictors of psychological distress.
Two hundred individuals (95 unaffected and 105 affected with either bipolar disorder, schizo-affective disorder – manic type, or recurrent major disorder) were surveyed, using mailed, self-administered questionnaires.
Thirty-five (35%) participants reported being ‘not at all willing to have children’ or ‘less willing to have children’ as a result of having a strong family history of bipolar disorder. Being not at all or less willing to have children was associated with perceived stigma of bipolar disorder [odds ratio (OR) 2·42, p=0·002], endorsement of a genetic model (OR 1·76, p=0·046), and being affected (OR 2·16, p=0·01). Among unaffected participants only, endorsement of a genetic model was strongly correlated with perceived stigma (rs=0·30, p=0·004). Perceiving the family environment as an important factor in causing bipolar disorder was significantly associated with psychological distress (OR 1·58, p=0·043) among unaffected participants. Among affected participants, perceived stigma was significantly correlated with psychological distress (OR 2·44, p=0·02), controlling for severity of symptoms (p<0·001).
Having a genetic explanation for bipolar disorder may exacerbate associative stigma among unaffected members from families with multiple cases of bipolar disorder, while it does not impact on perceived stigma among affected family members. Affected family members may benefit from interventions to ameliorate the adverse effects of perceived stigma.