Background Adolescent and young adult (AYA) cancer survivors experience psychological distress often because of cancer and its treatment. However, no prior studies have evaluated the additional medical expenditures and health care utilization associated with psychological distress in AYA cancer survivors. Methods AYA cancer survivors and a comparison matched group of adults with no history of cancer were identified from 2011‐2016 Medical Expenditure Panel Survey data. Medical expenditures and health care utilization were evaluated with multivariable regression models. Results AYA cancer survivors were more likely to have psychological distress (11.5% of 1757) than adults with no history of cancer (5.8% of 5227). The prevalence of psychological distress was found to be high many years after the diagnosis, with 11.2% reporting distress ≥20 years after their cancer diagnosis. AYA cancer survivors with psychological distress were more likely to smoke and have chronic conditions and were less likely to exercise regularly in comparison with AYAs with no history of psychological distress. AYA cancer survivors with psychological distress had additional annual medical expenses ($4415; 95% CI, $993‐$9690), office visits (2.80; 95% CI, 0.23‐6.15), and use of prescription medications/medication renewals (11.58; 95% CI, 5.70‐19.47) in comparison with AYA cancer survivors without psychological distress. Additional annual medical expenses of psychological distress were $2600 higher in AYA cancer survivors than adults without a history of cancer ($1802; 95% CI, $440‐$3791). Conclusions These results highlight the substantial economic burden associated with psychological distress in AYA cancer survivors. This research could inform survivorship care plans and interventions addressing the psychological needs of AYA cancer survivors.
Context Inflammation and insulin resistance (IR) are often present in polycystic ovary syndrome (PCOS). Objective We determined the effect of saturated fat ingestion on circulating lipopolysaccharide (LPS) and mononuclear cell (MNC) toll-like receptor-4 (TLR-4) and suppressor of cytokine signaling-3 (SOCS-3) in women with PCOS. Design Cross-sectional study. Setting Academic medical center. Patients Nineteen reproductive-age women with PCOS (10 lean, 9 obese) and 19 ovulatory control subjects (10 lean, 9 obese). Main Outcome Measures LPS and TNFα levels were measured in plasma. TLR-4 and SOCS-3 mRNA and protein content were quantified in MNC from blood collected after fasting and 2, 3, and 5 hours after saturated fat ingestion. Insulin sensitivity was derived from an oral glucose tolerance test (ISOGTT). Androgen secretion was assessed from blood collected after fasting and 24, 48, and 72 hours after human chorionic gonadotropin (HCG) administration. Results Regardless of PCOS status, subjects who were obese had lipid-induced increases in circulating LPS and TLR-4 protein content compared with subjects who were lean. Lean and obese women with PCOS had lipid-induced increases in plasma TNFα and SOCS-3 mRNA and protein content compared with lean control subjects. Both PCOS groups had lower ISOGTT and greater HCG-stimulated androgen secretion compared with control subjects. The LPS and SOCS-3 responses were negatively correlated with ISOGTT and positively correlated with HCG-stimulated androgen secretion. Conclusion In PCOS, lipid-induced LPS-mediated inflammation through TLR-4 is associated with obesity and worsened by PCOS, whereas lipid-induced increases in SOCS-3 may represent an obesity-independent, TNFα-mediated mechanism of IR.
Context Oxidative stress and insulin resistance are often present in polycystic ovary syndrome (PCOS). Objective We determined the effect of saturated fat ingestion on leukocytic reactive oxygen species (ROS) generation, p47phox expression, and circulating thiobarbituric acid–reactive substances (TBARS) in women with PCOS. Design Cross-sectional study. Setting Academic medical center. Patients Twenty women of reproductive age with PCOS (10 lean, 10 with obesity) and 19 ovulatory control subjects (10 lean, 9 with obesity). Main Outcome Measures ROS generation and p47phox mRNA and protein content were quantified in leukocytes, and TBARS was measured in plasma from blood drawn while the subjects were fasting and 2, 3, and 5 hours after saturated fat ingestion. Insulin sensitivity was derived from an oral glucose tolerance test (ISOGTT). Androgen secretion was assessed from blood drawn while the subjects were fasting and 24, 48, and 72 hours after human chorionic gonadotropin (HCG) administration. Results Regardless of weight class, women with PCOS exhibited lipid-induced increases in leukocytic ROS generation and p47phox mRNA and protein content as well as plasma TBARS compared with lean control subjects. Both PCOS groups exhibited lower ISOGTT and greater HCG-stimulated androgen secretion compared with control subjects. The ROS generation, p47phox, and TBARS responses were negatively correlated with ISOGTT and positively correlated with HCG-stimulated androgen secretion. Conclusion In PCOS, increases in ROS generation, p47phox gene expression, and circulating TBARS in response to saturated fat ingestion are independent of obesity. Circulating mononuclear cells and excess adipose tissue are separate and distinct contributors to oxidative stress in this disorder.
Context Inflammation and insulin resistance are often present in polycystic ovary syndrome (PCOS). Objective We determined the effect of saturated fat ingestion on mononuclear cell (MNC) nuclear factor-κB (NFκB) activation; NFκB, inhibitory-κBα (IκBα), and tumor necrosis factor-α (TNFα) gene expression; and circulating C-reactive protein (CRP) in women with PCOS. Design Cross-sectional study. Setting Academic medical center. Patients Twenty reproductive-age women with PCOS (10 lean, 10 with obesity) and 20 ovulatory controls (10 lean, 10 with obesity). Main Outcome Measures Activated NFκB, NFκB heterodimer subunits, IκBα and TNFα messenger ribonucleic acid content and NFκB p65 and IκBα protein content were quantified in mononuclear cells (MNC), and CRP was measured in plasma from blood drawn fasting and 2, 3, and 5 h after saturated fat ingestion. Insulin sensitivity was derived from oral glucose tolerance testing (ISOGTT). Androgen secretion was assessed from blood drawn fasting and 24, 48, and 72 h after human chorionic gonadotropin (HCG) administration. Results In response to saturated fat ingestion, women with PCOS regardless of weight class exhibited lipid-induced increases in activated NFκB, NFκB, and TNFα gene expression and plasma CRP and decreases in IκBα protein compared with lean control subjects. Both PCOS groups exhibited lower ISOGTT and greater HCG-stimulated androgen secretion compared with control subjects. Lipid-stimulated NFκB activation was negatively correlated with ISOGTT, and positively correlated with HCG-stimulated androgen secretion. Conclusion In PCOS, increases in NFκB activation and circulating CRP and decreases in IκBα protein following saturated fat ingestion are independent of obesity. Circulating MNC and excess adipose tissue are separate and distinct contributors to inflammation in this disorder.
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