157 Background: CIN is the most prevalent neurologic complication of cancer treatment. Inter-individual variability exists in survivors’ reports of the factors that aggravate CIN in their hands. The purpose of this study was to identify groups of survivors with CIN in their hands based on distinct aggravating factors and evaluate for differences in demographic, clinical, symptom characteristics and quality of life (QOL) based on group membership. Methods: Cancer survivors (n = 307) who received a platinum and/or a taxane and rated their altered sensation/pain in their hands at > 3 on 0-10 scale were enrolled and completed study questionnaires, including a list of 22 factors that could make pain worse. Medical records were reviewed and sensory and motor tests were done. Latent class analysis was used to identify groups of survivors based on the occurrence rates for aggravating factors. Differences among the groups were evaluated using parametric and nonparametric statistics. Results: Three groups were identified based on occurrence rates for aggravating factors in the hands (i.e., Activity and Temperature (41.0%), Activity (8.7%), Few Factors (52.2%)). No differences were found among the groups in demographic characteristics, or sensory (light touch, temperature, pain, vibration) and motor (grip strength, pegboard) tests. Compared to the Few Factors group, the Activity and Temperature group had more comorbidities, poorer sleep, greater fatigue, and more anxious and depressive symptoms. Survivors who received a platinum compound were more likely to be in the Activity and Temperature group. Those who received a taxane compound were more likely to be in the Few Factors or Activity groups. Conclusions: Survivors who reported a higher occurrence of aggravating factors had a higher symptom burden and poorer QOL. Most differences were found between the Few Factors group and the Activity and Temperature group which may be due to the small sample size of the Activity group. Objective measures did not differ among the groups. Findings suggest that subgroups of survivors can be identified based on their reports of CIN aggravating factors.
Anxiety and depression are common symptoms in oncology patients undergoing chemotherapy. Study purpose was to evaluate for differences in severity of common symptoms (ie, fatigue, energy, sleep disturbance, cognitive function, pain) and quality of life (QOL) outcomes among three subgroups of oncology outpatients with distinct joint anxiety and depression profiles. Oncology outpatients (N = 1328) completed measures of state anxiety and depression, six times over two cycles of chemotherapy. Latent profile analysis was done to identify subgroups of patients with distinct joint state anxiety AND depression profiles. Patients completed measures of trait anxiety, morning and evening fatigue, morning and evening energy, sleep disturbance, cognitive function, and pain, as well as generic and disease-specific measures of QOL at enrollment. Differences among the classes in symptom severity scores and QOL scores were evaluated using parametric and non-parametric tests. Three distinct joint anxiety AND depression profiles were identified and named: Low Anxiety and Low Depression (57.5%, Both Low), Moderate Anxiety and Moderate Depression (33.7%, Both Moderate), and High Anxiety and High Depression (8.8%, Both High). All of the symptom severity scores showed a "dose-response effect" (ie, as the joint anxiety AND depression profiles worsened, the severity of all of the symptoms increased). Likewise, for both the general and disease-specific QOL (except spiritual well-being) measures, all of the scores decreased as the joint anxiety AND depression profiles worsened. Compared to the Both Low classes, the other two classes reported lower scores for the spiritual well-being domain. More than 40% of patients receiving chemotherapy experience moderate to high levels of both anxiety AND depression. These patients report an extremely high symptom burden and significant decrements in all domains of QOL. Clinicians need to perform comprehensive assessments of depression and anxiety and other common symptoms and QOL outcomes during chemotherapy. In addition, referrals for targeted interventions are needed to manage multiple symptoms and improve patients' QOL.
Objectives The primary objective of the IDEAL study is to determine whether the timing of dialysis initiation has an effect on survival in subjects with end-stage renal disease (ESRD). The secondary objectives are to determine the impact of “early start” versus “late start” dialysis on nutritional and cardiac morbidity, quality of life, and economic cost. Design Prospective multicenter randomized controlled trial. Patients are randomized to commence dialysis at a glomerular filtration rate (by Cockcroft–Gault) of either 10 – 14 mL/minute/1.73 m 2 (“early start”) or 5 – 7 mL/min/1.73 m 2 (“late start”), with stratification for dialysis modality (hemodialysis vs peritoneal dialysis), study center, and the presence or not of diabetes mellitus. Setting Dialysis units throughout Australia and New Zealand. Patients Patients with ESRD commencing chronic dialysis therapy. Outcome Measures Three years from randomization, all-cause mortality, morbidity, and economic impact; structural and functional cardiac status, nutritional state, and quality of life will be assessed. Results To date, 388 patients of a minimum 800 patients have been entered and randomized into the study. Current recruitment rates suggest sufficient patients will be enrolled by December 2004 and follow-up completed by December 2007. Conclusions The IDEAL study will provide evidence for the optimal time to commence dialysis.
Although physical function is an important patient outcome, little is known about changes in physical function in older adults receiving chemotherapy (CTX).Identify subgroups of older patients based on changes in their level of physical function; determine which demographic and clinical characteristics were associated with subgroup membership; and determine if these subgroups differed on quality-of-life (QOL) outcomes.Latent profile analysis was used to identify groups of older oncology patients (n = 363) with distinct physical function profiles. Patients were assessed six times over two cycles of CTX using the Physical Component Summary score from the Short Form 12. Differences, among the groups, in demographic and clinical characteristics and QOL outcomes were evaluated using parametric and nonparametric tests.Three groups of older oncology patients with distinct functional profiles were identified: Well Below (20.4%), Below (43.8%), and Above (35.8%) normative Physical Component Summary scores. Characteristics associated with membership in the Well Below class included the following: lower annual income, a higher level of comorbidity, being diagnosed with depression and back pain, and lack of regular exercise. Compared with the Above class, patients in the other two classes had significantly poorer QOL outcomes.Almost 65% of older oncology patients reported significant decrements in physical function that persisted over two cycles of CTX. Clinicians can assess for those characteristics associated with poorer functional status to identify high-risk patients and initiate appropriate interventions.
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