Dataset Information

Physician role in physical activity for African-American males undergoing radical prostatectomy for prostate cancer.

ABSTRACT:

Purpose

Physical activity is recognized as a complementary therapy to improve physical and physiological functions among prostate cancer survivors. Little is known about communication between health providers and African-American prostate cancer patients, a high risk population, regarding the health benefits of regular physical activity on their prognosis and recovery. This study explores African-American prostate cancer survivors' experiences with physical activity prescription from their physicians.

Methods

Three focus group interviews were conducted with 12 African-American prostate cancer survivors in May 2014 in St. Louis, MO. Participants' ages ranged from 49 to 79 years, had completed radical prostatectomy, and their time out of surgery varied from 7 to 31 months.

Results

Emerged themes included physician role on prescribing physical activity, patients' perceived barriers to engaging in physical activity, perception of normalcy following surgery, and specific resources survivors' sought during treatment. Of the 12 men who participated, 8 men (67%) expressed that their physicians did not recommend physical activity for them. Although some participants revealed they were aware of the importance of sustained physical activity on their prognosis and recovery, some expressed concerns that urinary dysfunction, incontinence, and family commitments prevented them from engaging in active lifestyles.

Conclusions

Transitioning from post radical prostatectomy treatment to normal life was an important concern to survivors. These findings highlight the importance of physical activity communication and prescription for prostate cancer patients.

SUBMITTER: Williams F

PROVIDER: S-EPMC5321695 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature

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Publications

Physician role in physical activity for African-American males undergoing radical prostatectomy for prostate cancer.

Williams Faustine F Imm Kellie R KR Colditz Graham A GA Housten Ashley J AJ Yang Lin L Gilbert Keon L KL Drake Bettina F BF

Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer 20161221 4

<h4>Purpose</h4>Physical activity is recognized as a complementary therapy to improve physical and physiological functions among prostate cancer survivors. Little is known about communication between health providers and African-American prostate cancer patients, a high risk population, regarding the health benefits of regular physical activity on their prognosis and recovery. This study explores African-American prostate cancer survivors' experiences with physical activity prescription from the ...[more]

PMID: 27999951

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Project description:BackgroundLymph-node (LN) metastasis in prostate cancer (PC) is a main risk factor for tumor recurrence after radical prostatectomy (RP). Molecular analysis facilitates detection of small-volume LN metastases with higher sensitivity than histopathology. We aimed to prospectively evaluate six candidate gene markers for detection of pelvic LN metastases and to determine their ability to predict biochemical recurrence-free survival (bRFS) in patients treated with RP.MethodsThe expression of kallikrein 2, 3, and 4 (KLK2, KLK3, and KLK4), prostate-specific membrane antigen (PSMA), transmembrane serine protease 2 (TMPRSS2) and transient receptor potential cation channel subfamily M member 8 (TRPM8) was assessed using qPCR. We analyzed LNs from 111 patients (intermediate PC, n = 32 (29%); high-risk PC, n = 79 (71%)) who underwent RP and extended pelvic lymph-node dissection without neoadjuvant treatment.ResultsOverall, 2411 LNs were examined by molecular and histopathologic examination. Histopathology detected 69 LN metastases in 28 (25%) patients. KLK2 and KLK3 diagnostically performed best and classified all pN1-patients correctly as molecular node-positive (molN1/pN1). The concordance on LN level was best for KLK3 (96%). KLK2, KLK3, KLK4, PSMA, TMPRSS2, and TRPM8 reclassified 27 (24%), 32 (29%), 29 (26%), 8 (7%), 13 (12%), and 23 (21%) pN0-patients, respectively, as node-positive (pN0/molN1). On multivariable cox regression analysis molecular LN status (molN1 vs. molN0) using KLK3 (HR 4.0, p = 0.04) and TMPRSS2 (HR 5.1, p = 0.02) were independent predictors of bRFS. Median bRFS was shorter in patients with only molecular positive LNs (molN1/pN0) for KLK3 (24 months, p = 0.001) and for TMPRSS2 (12 months, p < 0.001) compared to patients with negative nodes (molN0/pN0) (median bRFS not reached).ConclusionsFor diagnostic purposes, KLK3 showed highest concordance with histopathology for detection of LN metastases in PC patients undergoing RP. For prognostic purposes, KLK3 and TMPRSS2 expression were superior to histopathologic LN status and other transcripts tested for molecular LN status. We suggest a combined KLK3/TMPRSS2 panel as a valuable diagnostic and prognostic tool for molecular LN analysis.

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Dataset Information

Physician role in physical activity for African-American males undergoing radical prostatectomy for prostate cancer.

Purpose

Methods

Results

Conclusions

Publications

Physician role in physical activity for African-American males undergoing radical prostatectomy for prostate cancer.

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