Is somatic comorbidity associated with more somatic symptoms, mental distress, or unhealthy lifestyle in elderly cancer survivors?

Symptom experience of older oncology patients with low versus high levels of multimorbidity prior to chemotherapy

PURPOSE

Evaluate for differences in demographic and clinical characteristics between older oncology patients with low multimorbidity (<2 multimorbidities) and high multimorbidity (≥2 multimorbidities) and evaluate for differences in symptom occurrence, severity, and distress ratings between the two groups.

METHODS

Symptoms of older oncology patients (n = 125) were assessed using the Memorial Symptom Assessment Scale prior to chemotherapy administration. Data were analyzed using t-tests for continuous variables and Chi-square or Fisher's exact tests for categorical variables.

RESULTS

For the total sample, lack of energy and pain were the two most common symptoms. Compared to the low multimorbidity group, the high multimorbidity group had a higher number of symptoms and significantly higher occurrence rates for feeling nervous, difficulty sleeping, dry mouth, and pain. Compared to the low multimorbidity group, the high multimorbidity group had significantly higher severity ratings for pain, feeling sad, lack of energy, feeling drowsy, and worrying. For distress, the high multimorbidity group reported significantly higher ratings for pain, worrying, feeling sad, feeling nervous, and "I don't look like myself". No differences were found in any demographic or clinical characteristics between the two multimorbidity groups.

CONCLUSIONS

Multimorbidity is associated with higher symptom occurrence, severity, and distress in older oncology patients. Our findings suggest that the symptoms with the highest severity ratings were not the most distressing. Clinicians should identify multimorbidities and assess symptoms prior to chemotherapy to identify patients at increased risk and initiate referrals for interventions.

Predicting anxiety in cancer survivors presenting to primary care - A machine learning approach accounting for physical comorbidity

BACKGROUND

The purpose of this study was to explore predictors for anxiety as the most common form of psychological distress in cancer survivors while accounting for physical comorbidity.

METHODS

We conducted a secondary data analysis of a large study within the German National Cancer Plan which enrolled primary care cancer survivors diagnosed with colon, prostatic, or breast cancer. We selected candidate predictors based on a systematic MEDLINE search. Using supervised machine learning, we developed a prediction model for anxiety by splitting the data into a 70% training set and a 30% test set and further split the training set into 10-folds for cross-validating the hyperparameter tuning step during model selection. We fit six different regression models, selected the model that maximized the root mean square error (RMSE) and fit the selected model to the entire training set. Finally, we evaluated the model performance on the holdout test set.

RESULTS

In total, data from 496 cancer survivors were analyzed. The LASSO model (α = 1.0) with weakly penalized model complexity (λ = 0.015) slightly outperformed all other models (RMSE = 0.370). Physical symptoms, namely, fatigue/weakness (β = 0.18), insomnia (β = 0.12), and pain (β = 0.04), were the most important predictors, while the degree of physical comorbidity was negligible.

CONCLUSIONS

Prediction of clinically significant anxiety in cancer survivors using readily available predictors is feasible. The findings highlight the need for considering cancer survivors' physical functioning regardless of the degree of comorbidity when assessing their psychological well-being. The generalizability of the model to other populations should be investigated in future external validations.

Co-occuring symptoms in older oncology patients with distinct attentional function profiles

PURPOSE

Evaluate how subgroups of older adults with distinct attentional function profiles differ on the severity of nine common symptoms and determine demographic and clinical characteristics and symptom severity scores associated with membership in the low and moderate attentional function classes.

METHODS

Three subgroups of older oncology outpatients were identified using latent profile analysis based on Attentional Function Index (AFI) scores. Symptoms were assessed prior to the second or third cycle of CTX. Logistic regressions evaluated for associations with attentional function class membership.

RESULTS

For trait anxiety, state anxiety, depression, sleep disturbance, morning fatigue, and evening fatigue scores, differences among the latent classes followed the same pattern (low > moderate > high). For morning and evening energy, compared to high class, patients in low and moderate classes reported lower scores. For pain, compared to moderate class, patients in low class reported higher scores. In the logistic regression analysis, compared to high class, patients with lower income, higher comorbidity, higher CTX toxicity score, and higher levels of state anxiety, depression, and sleep disturbance were more likely to be in low AFI class. Compared to high class, patients with higher comorbidity and trait anxiety and lower morning energy were more likely to be in moderate AFI class.

CONCLUSIONS

Consistent with the hypothesis that an increased risk for persistent cognitive decline is likely related to a variety of physical and psychological factors, for six of the nine symptoms, a "dose response" effect was observed with higher symptom severity scores associated with a progressive decline in attentional function.

A controlled study of the influence of comorbidity on activities of daily living in elderly cancer survivors (the HUNT-3 survey)

OBJECTIVES

To examine the influence of somatic comorbidity on Activity of Daily Living (ADL) problems in cancer survivors ≥70years (ECSs) based on data from The Health Study of Nord-Trøndelag County (HUNT-3) 2006-08.

MATERIAL AND METHODS

Among participants of the HUNT-3 survey, 599 ECSs had a diagnosis of one invasive cancer according to both The Cancer Registry of Norway and self-report. Three controls without cancer aged ≥70years for each ECS were drawn from the HUNT-3 sample. We compared personal-ADL (P-ADL) and instrumental-ADL (I-ADL) problems for ECSs and differences between ADL problems for ECSs with and without comorbidity and controls with and without comorbidity.

RESULTS

The prevalence of P-ADL problems was 3.5% among ECSs and 2.9% among controls (p=0.97) and for I-ADL 28.5% versus 21.4% (p=0.01), respectively. In bivariate analyses where ECSs versus controls was the dependent variable, presence of I-ADL problems, higher age, being female, paired relationship, poor self-rated health, hospitalization last year, and low level of neuroticism were associated being ECSs. In multivariate analyses, these variables, except I-ADL-problems and paired relationship, remained significantly associated being ECSs. No significant differences were shown for P-ADL problems when comparing ECSs and controls with comorbidity, and ECSs with and without comorbidity. ECSs with comorbidity reported significantly more I-ADL-problems than controls with comorbidity, and ECSs with comorbidity had significantly more I-ADL-problems than ECSs without comorbidity.

CONCLUSION

Our results reflect common factors found in ADL studies in the elderly population. Health personnel have to be particularly observant on I-ADL problems among female ECSs, and those reporting poor self-rated health or comorbidity.

Access to information and counselling - older cancer patients' self-report: a cross-sectional survey

BACKGROUND

An increasingly older population, improved diagnostics and treatment increase the number of older cancer survivors, thus more than 60% of those affected by cancer are over the age of 65. Symptom relief and the prevention of functional impairment are important tasks for home care nursing, considering that patients can live a long time with their cancer disease and related side effects. The aim of this study was to investigate the extent to which cancer patients over the age of 65 reported access to information and counselling from home care nursing services, including those offered by the cancer coordinator.

METHODS

A cross-sectional survey was used. The survey consisted of 174 cancer patients from two regions in Norway living at home (101 women; 66-92 years). The questionnaire contained questions of various sequences including information and advices given and data on access to and use of home health care services. The questions focused on the extent to which home health care services provided the following: 1) information about the disease and treatment, 2) information about consequences and complications of the cancer disease, 3) nutritional advice and 4) advice on physical activity. Demographic, clinical and organizational variables were used. SPSS program version 22 was employed to perform descriptive and inferential statistics including correlation and logistic regression analysis. For ethical reasons, patients who were dying, delirious or with presence of cognitive impairment (any kind of dementia) were excluded.

RESULTS

The results showed that a majority (67-77%) of the respondents reported low levels of information and counselling offered. Low levels represents in this study medium, small and very small degree (Likert scale). Women, those above 85 years of age and patients with a gynecological or hematological cancer diagnosis experienced less access to information and counselling. Respondents facing availability of a cancer coordinator reported significantly higher access to information about the disease and treatment (p = 0.03), nutritional advice (p = 0.04) and advice on physical activity (p = 0.04) compared to those who only had contact with a home health care nurse or home health care assistant.

CONCLUSIONS

The results indicated that the availability of a cancer coordinator facilitated personalized information and counselling for older cancer patients.

The magnitude and characteristics of the population of cancer survivors: using population-based estimates of cancer prevalence to inform service planning for survivorship care

Background

Rising cancer incidence and survival mean that the number of cancer survivors is growing. Accumulating evidence suggests many survivors have long-term medical and supportive care needs, and that these needs vary by survivors’ socio-demographic and clinical characteristics. To illustrate how cancer registry data may be useful in survivorship care service planning, we generated population-based estimates of cancer prevalence in Ireland and described socio-demographic and clinical characteristics of the survivor population.

Methods

Details of people diagnosed with invasive cancer (ICD10 C00-C96) during 1994–2011, and who were still alive on 31/12/2011, were abstracted from the National Cancer Registry, and tabulated by cancer site, sex, current age, marital status, initial treatment, and time since diagnosis. Associations were investigated using chi-square tests.

Results

After excluding non-melanoma skin cancers, 17-year cancer prevalence in Ireland was 112,610 (females: 58,054 (52%) males: 54,556 (48%)). The four most prevalent cancers among females were breast (26,066), colorectum (6,598), melanoma (4,593) and uterus (3,505) and among males were prostate (23,966), colorectum (8,207), lymphoma (3,236) and melanoma (2,774). At the end of 2011, 39% of female survivors were aged <60 and 35% were ≥70 compared to 25% and 46% of males (p < 0.001). More than half of survivors of bladder, colorectal and prostate cancer were ≥70. Cancers with the highest percentages of younger (<40) survivors were: testis (50%); leukaemia (females: 28%; males: 22%); cervix (20%); and lymphoma (females: 19%; males: 20%). Fewer female (57%) than male (64%) survivors were married but the percentage single was similar (17-18%). More female (25%) than male survivors (18%; p < 0.001) were ≥10 years from diagnosis. Overall, 69% of survivors had undergone cancer-directed surgery, and 39%, 32% and 18% had received radiotherapy, chemotherapy and hormone therapy, respectively. These frequencies were higher among females than males (surgery: 82%, 54%; radiotherapy: 42%, 35%; chemotherapy: 40%, 22%; hormone therapy: 23%, 13%).

Conclusions

These results reveal the socio-demographic and clinical heterogeneity of the survivor population, and highlight groups which may have specific medical and supportive care needs. These types of population-based estimates may help decision-makers, planners and service providers to develop follow-up and after-care services to effectively meet survivors’ needs.

Influence of comorbidity on cancer patients' rehabilitation needs, participation in rehabilitation activities and unmet needs: a population-based cohort study

PURPOSE

This study aims to investigate possible associations between cancer survivors' comorbidity status and their (1) need for rehabilitation, (2) participation in rehabilitation activities and (3) unmet needs for rehabilitation in a 14-month period following date of diagnosis.

METHODS

We performed a population-based cohort study including incident cancer patients diagnosed from 1 October 2007 to 30 September 2008 in two regions in Denmark. Fourteen months after diagnosis, participants completed a questionnaire measuring different aspects and dimensions of rehabilitation. Individual information on comorbidity was based on hospital contacts from 1994 and until diagnosis, subsequently classified according to the Charlson comorbidity index. Logistic regression analyses were used to explore the association between comorbidity and outcomes for rehabilitation. Analyses were conducted overall and stratified for gender, age and cancer type.

RESULTS

A total of 3,439 patients responded (70%). Comorbidity at all levels was statistically significant associated with a physical rehabilitation need, and moderate to severe comorbidity was statistically significant associated with a need in the emotional, family-oriented and financial areas as well as participation in physical-related rehabilitation activities. Stratified analyses showed that significant results in most cases were related to being older than 65 years or having colorectal or prostate cancer.

CONCLUSIONS

Comorbidity at all levels was significantly associated with needs for physical rehabilitation. Moderate to severe comorbidity was further associated with other areas of need and participation in physical area activities. This should be taken into account when planning rehabilitation interventions for cancer survivors. Differences among subgroups could help target interventions and should be explored further.

The effect of aging and cancer on the symptom experience and physical function of elderly breast cancer survivors

BACKGROUND

The majority of cancer survivors are aged ≥ 65 years, yet, historically, cancer research has focused infrequently on older patients. The objective of this study was to examine predictors of physical function within a framework that integrates the gerontologic and oncologic needs of older cancer survivors.

METHODS

Path analysis tested 759 women who were breast cancer survivors aged ≥ 70 years from the American Cancer Society Study of Cancer Survivors II to examine the cancer, aging, and personal characteristics that had an impact on symptoms and physical functioning.

RESULTS

High levels of symptom bother (β = -.42) and comorbidities (β = -.21) were strongly associated with lower physical function. Comorbidity and social support (β = .21) indirectly influenced symptom bother through emotional status (β = -.35). The model demonstrated good fit with the data (chi-square statistic, 50.6; adjusted chi-square statistic, 2.8; P < .001; goodness-of-fit index, .98; root mean square error of approximation, .049 [confidence interval, .03-.05]).

CONCLUSIONS

The current findings supported prior research indicating that the majority of older survivors of breast cancer are doing well, but there is a subset of survivors that requires ongoing attention to symptoms, comorbidities, emotional health, and social support to thrive after cancer treatment.

The association between chronic disease burden and quality of life among breast cancer survivors in Missouri

Greater chronic disease burden may decrease quality of life (QOL) of breast cancer survivors. Our objective was to investigate the association between chronic disease burden and QOL in breast cancer survivors at 1 year post-diagnosis. We analyzed cross-sectional data collected 1 year post-diagnosis from a sample of female breast cancer survivors identified from the Missouri cancer registry. We used eight RAND-36 subscales to assess physical, emotional, and social functioning QOL domains. Using Katz's measure of comorbidity, we computed chronic disease burden (0, 1, and 2+). Multivariable general linear models for each QOL subscale were used to examine associations between chronic disease burden and QOL after controlling for potential covariates: socio-demographic, clinical, psychosocial, behavioral risk factors, and access to medical care. Participants (n = 1089) were 58-year old on average (range 27-96) and mostly White (92%), married (68%), had at least a high school education (95%), and had health insurance (97%). Sixty-six percent of survivors had a chronic disease burden score of 0, 17% had 1, and 17% had 2+. Chronic disease burden was significantly associated with each QOL subscale in crude models (P < 0.001). In fully adjusted models, chronic disease burden was still significantly correlated with six subscales, but not with the emotional well-being and role limitations due to emotional problems subscales. One year post-diagnosis, breast cancer survivors with higher chronic disease burden had lower physical and social functioning than survivors without additional health conditions. These differences were not fully explained by relevant covariates. Identifying modifiable targets for intervention will be critical for improving QOL outcomes among survivors who have other chronic health conditions.

Elderly cancer survivorship: an integrative review and conceptual framework

The intersection of ageing and cancer in the phase of post-treatment survivorship represents a large and growing population with unique needs.

PURPOSE

The goal of this work is to review and integrate the current gerontology and oncology literature relevant to elderly cancer survivorship, to identify knowledge gaps and research opportunities and to propose a conceptual model to guide future research. The long-term, global goal is the prevention of morbidity and mortality in elderly cancer survivors by identification of vulnerable elders, maintenance of independence, tailoring of treatment, establishing intervention guidelines and planning for necessary resources within the entire trajectory of cancer survival for older survivors.

METHODS

Targeted and integrative review of selected literature from multiple disciplines. Search engines included PubMed, article reference lists and internet searches for epidemiological data (US Census, World Health Organization, American Cancer Society, Canadian Cancer Cancer Society, etc).

RESULTS

A conceptual model that incorporates the gerontologic, oncologic and personal characteristics of older cancer survivors is proposed that may provide a comprehensive approach by which to frame elderly survivorship research.

CONCLUSION

Cancer survivorship among the elderly is quantitatively and qualitatively different from cancer survivorship among other age groups. The current large numbers and predicted increase in elderly cancer survivors in the near future mandate attention to this population. Future research must consider the complexity of intersecting needs in the gero-oncology population.

Morbidity, life style and psychosocial situation in cancer survivors aged 60-69 years: results from the Nord-Trøndelag health study (the HUNT-II study)

Background

Due to considerable health status differences in the elderly population, research limited to narrow age-spans might be an advantage. In this population-based controlled study we compare short-term (<5 years) (STS) and long-term (≥5 years) (LTS) cancer survivors and cancer-free controls aged 60-69 years from two Norwegian health registers; the Health Survey of North-Trøndelag County (HUNT-2 study) and the Cancer Registry of Norway (CRN). We examined possible factors associated with being cancer survivor.

Methods

Among 9,089 individuals aged 60-69 who participated in HUNT-2, 334 had been diagnosed with invasive primary cancer from 1 month to 42 years before HUNT-2 according to CRN and self-report. An overall random sample of controls without cancer five times larger than the sample of cases (N = 1,670) were drawn from the parent cohort.

Results

The cancer sample comprised 128 STS and 206 LTS. For most variables no significant differences were observed between LTS and STS. LTS were significantly more women, and cases with gynaecological cancer, with physical impairment and more thyroid diseases compared to STS. When comparing all the survivors with controls, the survivors showed significantly higher rate of pensioning, decreased self-rated health, more physical impairment and thyroid diseases, daily use of medication and psychotropics and higher level of anxiety and Framingham Risk score. Multivariate logistic regression analysis showed that increasing age, being female, physical impairment and thyroid diseases all were significantly associated with being survivor versus controls.

Conclusion

STS and LTS showed mostly similar situation. Compared to controls, the survivors reported somewhat poorer physical and mental health, but these differences were of doubtful clinical significance.

Activity of daily living problems in older cancer survivors: a population-based controlled study

The ability to perform activities of daily living (ADL) is a crucial factor for independent functioning and living at home. This population-based cross-sectional study examines ADL problems in older cancer survivors compared with an age-matched cancer-free control group. According to both The Cancer Registry of Norway and self-report, 911 individuals > or =70 years had invasive cancer among the participants of The Health Study of Nord-Trøndelag County (HUNT-2) 1995-7. Three age- and gender-matched cancer-free controls for each cancer survivor were drawn from HUNT-2 (N = 2733). Personal- and Instrumental-ADL (P-ADL and I-ADL) problems were self-rated. P-ADL problems addressed activities such as personal hygiene, dressing and eating, while I-ADL problems concerned household activities, managing finances, shopping and administration of medication. Associations among relevant independent variables and P- and I-ADL problems were examined with both descriptive and multivariate statistics. P-ADL problems were present in 10% of the cancer survivors and 8% of the controls (P = 0.02). Correspondingly, 38% of the cancer survivors had I-ADL problems versus 32% of the controls (P < 0.001). Older cancer survivors with co-morbidity showed significantly higher rates of P-ADL and I-ADL problems compared with controls with co-morbidity (14% versus 9%, P = 0.01, and 47% versus 39%, P = 0.02). Cancer survivors with co-morbidity had significantly more P-ADL and I-ADL problems than survivors without co-morbidity (14% versus 8%, P = 0.01 and 47% versus 32%, P < 0.001). This study showed higher incidence of ADL problems among a population of older cancer survivors compared with cancer-free controls. Somatic co-morbidity further increased the prevalence of both P- and I-ADL problems in the cancer survivors. Primary healthcare providers should pay attention to and assess ADL problems in older cancer survivors.

Self-rated versus objective health indicators as predictors of major cardiovascular events: the NHLBI-sponsored Women's Ischemia Syndrome Evaluation

OBJECTIVE

To determine the association between self-rated health and major cardiovascular events in a sample of women with suspected myocardial ischemia. Previous studies showed that self-rated health is a predictor of objective health outcomes, such as mortality.

METHOD

At baseline, 900 women rated their health on a 5-point scale ranging from poor to excellent as part of a protocol that included quantitative coronary angiography, cardiovascular disease (CVD) risk factor assessment, cardiac symptoms, psychotropic medication use, and functional impairment. Participants were followed for a maximum of 9 years (median, 5.9 years) to determine the prevalence of major CVD events (myocardial infarction, heart failure, stroke, and CVD-related death).

RESULTS

A total of 354 (39.3% of sample) participants reported their health as either poor or fair. After adjusting for demographic factors, CVD risk factors, and coronary artery disease severity, women who rated their health as poor (hazard ratio, 2.1 [1.1-4.2]) or fair (hazard ratio, 2.0 [1.2-3.6]) experienced significantly shorter times to major CVD events compared with women who rated their health as excellent or very good. Further adjustment for functional impairment, however, attenuated the self-rated health relationships with major CVD events.

CONCLUSIONS

Among women with suspected myocardial ischemia, self-rated health predicted major CVD events independent of demographic factors, CVD risk factors, and angiogram-defined disease severity. However, functional impairment seemed to explain much of the self-rated health association. These results support the clinical utility of self-rated health scores in women and encourage a multidimensional approach to conceptualizing these measures.