Morbidity of curative cancer surgery and suicide risk

Auteurs

T T Jayakrishnan, Y Sekigami, R Rajeev, T C Gamblin, K K Turaga.

Résumé

textbfIMPORTANCE: Curative cancer operations lead to debility and loss of autonomy in a population vulnerable to suicide death. The extent to which operative intervention impacts suicide risk is not well studied. textbfOBJECTIVE: To examine the effects of morbidity of curative cancer surgeries and prognosis of disease on the risk of suicide in patients with solid tumors. textbfDESIGN: Retrospective cohort study using Surveillance, Epidemiology, and End Results data from 2004 to 2011; multilevel systematic review. textbfSETTING: General US population. textbfPARTICIPANTS: Participants were 482 781 patients diagnosed with malignant neoplasm between 2004 and 2011 who underwent curative cancer surgeries. textbfMAIN OUTCOMES AND MEASURES: Death by suicide or self-inflicted injury. textbfRESULTS: Among 482 781 patients that underwent curative cancer surgery, 231 committed suicide (16.58/100 000 person-years [95% confidence interval, CI, 14.54-18.82]). Factors significantly associated with suicide risk included male sex (incidence rate [IR], 27.62; 95% CI, 23.82-31.86) and age textgreater65 years (IR, 22.54; 95% CI, 18.84-26.76). When stratified by 30-day overall postoperative morbidity, a significantly higher incidence of suicide was found for high-morbidity surgeries (IR, 33.30; 95% CI, 26.50-41.33) vs moderate morbidity (IR, 24.27; 95% CI, 18.92-30.69) and low morbidity (IR, 9.81; 95% CI, 7.90-12.04). Unit increase in morbidity was significantly associated with death by suicide (odds ratio, 1.01; 95% CI, 1.00-1.03; P = .02) and decreased suicide-specific survival (hazards ratio, 1.02; 95% CI, 1.00-1.03


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