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1.
J Patient Cent Res Rev ; 7(4): 295-303, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-33163549

RESUMO

PURPOSE: The purposes of this study were to determine whether the presence of upper extremity chemotherapy-induced peripheral neuropathy (CIPN) symptoms (burning, pins/needles, numbness, pain, and skin crawls) among breast cancer survivors (BCS) varied according to age (≤45 years or 55-70 years) and to examine age group differences in upper extremity CIPN symptom distress. METHODS: The study was a secondary analysis of younger (n=505) and older (n=622) BCS. Inclusion criteria were age of ≤45 years or 55-70 years; patient at 3-8 years postdiagnosis; patient received the chemotherapy regimen of paclitaxel, doxorubicin, and cyclophosphamide; and patient did not have recurrence. The Symptom Survivor Checklist was used to assess presence and distress of upper extremity CIPN symptoms. Analyses explored whether age group predicted CIPN symptom presence and distress while controlling for sociodemographic and medical variables. RESULTS: Older BCS reported fewer pins/needles, numbness, and pain symptoms (odds ratios: 0.623-0.751). Heart disease (odds ratios: 1.59-1.70) and progesterone-negative breast cancer (odds ratio: 0.663) were significantly associated with one or more CIPN symptoms. Symptom distress ratings did not differ by age groups; both age groups indicated distress from CIPN symptoms, with 25% or more reporting distress as "moderately" or "quite a bit." CONCLUSIONS: Younger BCS reported more upper extremity CIPN symptoms. BCS in both groups continued to report bothersome CIPN symptoms years after treatment. Study findings will assist clinicians in identifying BCS at higher risk for upper extremity CIPN as well as inform development of appropriate tailored interventions to mitigate these symptoms and facilitate restoration to age-related baseline function, thereby improving quality of life for BCS.

2.
Support Care Cancer ; 24(11): 4779-89, 2016 11.
Artigo em Inglês | MEDLINE | ID: mdl-27470258

RESUMO

PURPOSE: To describe the impact of chemotherapy-induced peripheral neuropathy symptoms (CIPN-sx) on breast cancer survivors' (BCS) perceived ability to work post-treatment. METHODS: The sample included 22 chemotherapy-treated (Ctx+) and 22 chemotherapy-naïve (Ctx-) female BCS. Data was collected at the following three time points: baseline (post-surgery, pre-chemotherapy), 1 month (1 M) post-chemotherapy, and approximately 1 year (1 Y) later. The presence, frequency, number, and severity of CIPN-sx were self-reported using the Functional Assessment of Cancer Therapy/Gynecologic Oncology Group-Neurotoxicity questionnaire (FACT/GOG-Ntx) version 4, a validated 11-item CIPN measure. Perceived ability to work was measured using an item from the Functional Well-Being subscale of the FACT/GOG-Ntx. RESULTS: At 1 Y, more than 50 % of Ctx+ reported discomfort, numbness, or tingling in their hands or feet; weakness; or difficulty feeling small objects. The presence, number, and severity of these symptoms were correlated with being less able to work for Ctx+ at 1 M but not 1 Y. Results of a regression analysis using CIPN-sx to predict work ability found that models combining (1) hand numbness and trouble feeling small objects, (2) trouble buttoning buttons and trouble feeling small objects, (3) foot numbness and foot pain, (4) foot numbness and trouble walking, and (5) trouble hearing and hand pain each predicted survivors who were "not at all" able to work at 1 M. CONCLUSIONS: Unresolved CIPN-sx may play a role in challenges working for BCS post-treatment. These findings highlight the need for research to explore the impact that CIPN-sx have on BCS' ability to work, as well as the development of interventions to improve work function in BCS with CIPN-sx.


Assuntos
Neoplasias da Mama/complicações , Emprego/tendências , Doenças do Sistema Nervoso Periférico/induzido quimicamente , Cuidados Semi-Intensivos/métodos , Neoplasias da Mama/tratamento farmacológico , Feminino , Humanos , Pessoa de Meia-Idade , Doenças do Sistema Nervoso Periférico/patologia , Inquéritos e Questionários , Sobreviventes
3.
J Clin Oncol ; 34(7): 677-83, 2016 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-26527786

RESUMO

PURPOSE: To investigate the longitudinal relationship between chemotherapy-induced peripheral neuropathy (CIPN) symptoms (sx) and brain perfusion changes in patients with breast cancer. Interaction of CIPN-sx perfusion effects with known chemotherapy-associated gray matter density decrease was also assessed to elucidate the relationship between CIPN and previously reported cancer treatment-related brain structural changes. METHODS: Patients with breast cancer treated with (n = 24) or without (n = 23) chemotherapy underwent clinical examination and brain magnetic resonance imaging at the following three time points: before treatment (baseline), 1 month after treatment completion, and 1 year after the 1-month assessment. CIPN-sx were evaluated with the self-reported Functional Assessment of Cancer Therapy/Gynecologic Oncology Group-Neurotoxicity four-item sensory-specific scale. Perfusion and gray matter density were assessed using voxel-based pulsed arterial spin labeling and morphometric analyses and tested for association with CIPN-sx in the patients who received chemotherapy. RESULTS: Patients who received chemotherapy reported significantly increased CIPN-sx from baseline to 1 month, with partial recovery by 1 year (P < .001). CIPN-sx increase from baseline to 1 month was significantly greater for patients who received chemotherapy compared with those who did not (P = .001). At 1 month, neuroimaging showed that for the group that received chemotherapy, CIPN-sx were positively associated with cerebral perfusion in the right superior frontal gyrus and cingulate gyrus, regions associated with pain processing (P < .001). Longitudinal magnetic resonance imaging analysis in the group receiving chemotherapy indicated that CIPN-sx and associated perfusion changes from baseline to 1 month were also positively correlated with gray matter density change (P < .005). CONCLUSION: Peripheral neuropathy symptoms after systemic chemotherapy for breast cancer are associated with changes in cerebral perfusion and gray matter. The specific mechanisms warrant further investigation given the potential diagnostic and therapeutic implications.


Assuntos
Neoplasias da Mama/tratamento farmacológico , Circulação Cerebrovascular/efeitos dos fármacos , Substância Cinzenta/efeitos dos fármacos , Imageamento por Ressonância Magnética , Síndromes Neurotóxicas/diagnóstico , Doenças do Sistema Nervoso Periférico/induzido quimicamente , Feminino , Humanos , Interpretação de Imagem Assistida por Computador , Pessoa de Meia-Idade , Terapia Neoadjuvante , Neuroimagem , Marcadores de Spin
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