PA Medical News about comorbidity; health services

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Defining Comorbidity: Implications for Understanding Health and Health Services
Annals of Family Medicine, 07/14/09

Valderas JM et al. - Comorbidity is associated with worse health outcomes, more complex clinical management, and increased health care costs. There is no agreement, however, on the meaning of the term, and related constructs, such as multimorbidity, morbidity burden, and patient complexity, are not well conceptualized. In this article, the authors review definitions of comorbidity and their relationship to related constructs. The authors show that the value of a given construct lies in its ability to explain a particular phenomenon of interest within the domains of (1) clinical care, (2) epidemiology, or (3) health services planning and financing. Mechanisms that may underlie the coexistence of 2 or more conditions in a patient (direct causation, associated risk factors, heterogeneity, independence) are examined, and the implications for clinical care considered. The authors conclude that the more precise use of constructs, as proposed in this article, would lead to improved research into the phenomenon of ill health in clinical care, epidemiology, and health services.

Evaluating the combined effect of comorbidity and prostate-specific antigen kinetics on the risk of death in men after prostate-specific antigen recurrence
Journal of Clinical Oncology, 11/02/09 Relevance Score: 93%

Impact of comorbidity on short-term mortality and overall survival of head and neck cancer patients
Head & Neck, 10/15/09 Relevance Score: 92%

The impact of comorbidity on physical function in patients with rheumatoid arthritis
Annals of Rheumatic Diseases, 10/26/09 Relevance Score: 89%

Comorbidity negatively influences prognosis in patients with extrahepatic cholangiocarcinoma
World Journal of Gastroenterology, 11/13/09 Relevance Score: 87%

Obesity and Functional Impairment: Influence of Comorbidity, Joint Pain, and Mental Health
Obesity, 11/06/09 Relevance Score: 85%