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Impact of preoperative sarcopenia and myosteatosis on prognosis after radical cystectomy in patients with bladder cancer
Objective To evaluate the prognostic impact of sarcopenia and myosteatosis on survival after radical cystectomy for bladder cancer. Methods We retrospectively reviewed consecutive patients who underwent radical cystectomy for bladder cancer between 2010 and 2019, and 123 patients were finally includ...
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| Published in: | International journal of urology 2021-07, Vol.28 (7), p.757-762 |
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| cites | cdi_FETCH-LOGICAL-c3779-c09f32602ab81e9293e663a056f19b919ca252e723864e76c9306e09ff1b07ea3 |
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| container_title | International journal of urology |
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| creator | Yamashita, Shimpei Iguchi, Takashi Koike, Hiroyuki Wakamiya, Takahito Kikkawa, Kazuro Kohjimoto, Yasuo Hara, Isao |
| description | Objective
To evaluate the prognostic impact of sarcopenia and myosteatosis on survival after radical cystectomy for bladder cancer.
Methods
We retrospectively reviewed consecutive patients who underwent radical cystectomy for bladder cancer between 2010 and 2019, and 123 patients were finally included in this single‐center study. Pretreatment computed tomography images at the L3 level were used to calculate skeletal muscle index and skeletal muscle density. Sarcopenia and myosteatosis were diagnosed according to the gender‐specific cutoff values of skeletal muscle index and skeletal muscle density used in a previous study. We compared overall survival and cancer‐specific survival between patients with and without sarcopenia/myosteatosis. We also performed Cox proportional regression analyses to identify the predictors of overall survival and cancer‐specific survival.
Results
The median patient age was 74 years, and 20 patients (16%) were female. Thirty‐eight patients (31%) died from bladder cancer and 13 (11%) died from other causes. The patients with sarcopenia (n = 48, 39%) and those with myosteatosis (n = 101, 82%) had significantly lower overall survival and cancer‐specific survival rates than those without sarcopenia and those without myosteatosis, respectively. In multivariable analysis, in addition to the number of pathological risk factors, both sarcopenia (P |
| doi_str_mv | 10.1111/iju.14569 |
| format | article |
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To evaluate the prognostic impact of sarcopenia and myosteatosis on survival after radical cystectomy for bladder cancer.
Methods
We retrospectively reviewed consecutive patients who underwent radical cystectomy for bladder cancer between 2010 and 2019, and 123 patients were finally included in this single‐center study. Pretreatment computed tomography images at the L3 level were used to calculate skeletal muscle index and skeletal muscle density. Sarcopenia and myosteatosis were diagnosed according to the gender‐specific cutoff values of skeletal muscle index and skeletal muscle density used in a previous study. We compared overall survival and cancer‐specific survival between patients with and without sarcopenia/myosteatosis. We also performed Cox proportional regression analyses to identify the predictors of overall survival and cancer‐specific survival.
Results
The median patient age was 74 years, and 20 patients (16%) were female. Thirty‐eight patients (31%) died from bladder cancer and 13 (11%) died from other causes. The patients with sarcopenia (n = 48, 39%) and those with myosteatosis (n = 101, 82%) had significantly lower overall survival and cancer‐specific survival rates than those without sarcopenia and those without myosteatosis, respectively. In multivariable analysis, in addition to the number of pathological risk factors, both sarcopenia (P < 0.01) and myosteatosis (P = 0.04) were independent significant predictors of poor cancer‐specific survival.
Conclusions
In our experience, sarcopenia and myosteatosis are independent predictors of poor cancer‐specific survival in patients undergoing radical cystectomy for bladder cancer. Sarcopenia is also associated with poor overall survival.</description><identifier>ISSN: 0919-8172</identifier><identifier>EISSN: 1442-2042</identifier><identifier>DOI: 10.1111/iju.14569</identifier><identifier>PMID: 33821510</identifier><language>eng</language><publisher>Australia: Wiley Subscription Services, Inc</publisher><subject>Bladder cancer ; body composition ; Cancer ; Computed tomography ; cystectomy ; Medical prognosis ; Musculoskeletal system ; prognosis ; Risk factors ; Sarcopenia ; Skeletal muscle ; Survival ; urinary bladder neoplasms</subject><ispartof>International journal of urology, 2021-07, Vol.28 (7), p.757-762</ispartof><rights>2021 The Japanese Urological Association</rights><rights>2021 The Japanese Urological Association.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3779-c09f32602ab81e9293e663a056f19b919ca252e723864e76c9306e09ff1b07ea3</citedby><cites>FETCH-LOGICAL-c3779-c09f32602ab81e9293e663a056f19b919ca252e723864e76c9306e09ff1b07ea3</cites><orcidid>0000-0002-8001-8264 ; 0000-0001-7402-6164 ; 0000-0003-4542-4045</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33821510$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yamashita, Shimpei</creatorcontrib><creatorcontrib>Iguchi, Takashi</creatorcontrib><creatorcontrib>Koike, Hiroyuki</creatorcontrib><creatorcontrib>Wakamiya, Takahito</creatorcontrib><creatorcontrib>Kikkawa, Kazuro</creatorcontrib><creatorcontrib>Kohjimoto, Yasuo</creatorcontrib><creatorcontrib>Hara, Isao</creatorcontrib><title>Impact of preoperative sarcopenia and myosteatosis on prognosis after radical cystectomy in patients with bladder cancer</title><title>International journal of urology</title><addtitle>Int J Urol</addtitle><description>Objective
To evaluate the prognostic impact of sarcopenia and myosteatosis on survival after radical cystectomy for bladder cancer.
Methods
We retrospectively reviewed consecutive patients who underwent radical cystectomy for bladder cancer between 2010 and 2019, and 123 patients were finally included in this single‐center study. Pretreatment computed tomography images at the L3 level were used to calculate skeletal muscle index and skeletal muscle density. Sarcopenia and myosteatosis were diagnosed according to the gender‐specific cutoff values of skeletal muscle index and skeletal muscle density used in a previous study. We compared overall survival and cancer‐specific survival between patients with and without sarcopenia/myosteatosis. We also performed Cox proportional regression analyses to identify the predictors of overall survival and cancer‐specific survival.
Results
The median patient age was 74 years, and 20 patients (16%) were female. Thirty‐eight patients (31%) died from bladder cancer and 13 (11%) died from other causes. The patients with sarcopenia (n = 48, 39%) and those with myosteatosis (n = 101, 82%) had significantly lower overall survival and cancer‐specific survival rates than those without sarcopenia and those without myosteatosis, respectively. In multivariable analysis, in addition to the number of pathological risk factors, both sarcopenia (P < 0.01) and myosteatosis (P = 0.04) were independent significant predictors of poor cancer‐specific survival.
Conclusions
In our experience, sarcopenia and myosteatosis are independent predictors of poor cancer‐specific survival in patients undergoing radical cystectomy for bladder cancer. Sarcopenia is also associated with poor overall survival.</description><subject>Bladder cancer</subject><subject>body composition</subject><subject>Cancer</subject><subject>Computed tomography</subject><subject>cystectomy</subject><subject>Medical prognosis</subject><subject>Musculoskeletal system</subject><subject>prognosis</subject><subject>Risk factors</subject><subject>Sarcopenia</subject><subject>Skeletal muscle</subject><subject>Survival</subject><subject>urinary bladder neoplasms</subject><issn>0919-8172</issn><issn>1442-2042</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp10U1v1DAQBmALgehSOPAHkCUucEhrjxM7PqKKj0WVuNBzNHEm4FUSL7ZDyb_H7RYOSPhijfT41YyHsZdSXMhyLv1hvZB1o-0jtpN1DRWIGh6znbDSVq00cMaepXQQQiqQ7VN2plQLspFix37t5yO6zMPIj5HCkSJm_5N4wuhKtXjkuAx83kLKhDkkn3hYig3flvsCx0yRRxy8w4m7rTCXw7xxX1TJoiUnfuvzd95POAzFOlwcxefsyYhTohcP9zm7-fD-69Wn6vrLx_3Vu-vKKWNs5YQdFWgB2LeSLFhFWisUjR6l7ct8DqEBMqBaXZPRziqhqTwaZS8MoTpnb065peUfK6XczT45miZcKKypg0ZYMAASCn39Dz2ENS6lu6JqI7Ux6k69PSkXQ0qRxu4Y_Yxx66To7tbRlXV09-so9tVD4trPNPyVf_6_gMsTuPUTbf9P6vafb06RvwGA05UD</recordid><startdate>202107</startdate><enddate>202107</enddate><creator>Yamashita, Shimpei</creator><creator>Iguchi, Takashi</creator><creator>Koike, Hiroyuki</creator><creator>Wakamiya, Takahito</creator><creator>Kikkawa, Kazuro</creator><creator>Kohjimoto, Yasuo</creator><creator>Hara, Isao</creator><general>Wiley Subscription Services, Inc</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QP</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-8001-8264</orcidid><orcidid>https://orcid.org/0000-0001-7402-6164</orcidid><orcidid>https://orcid.org/0000-0003-4542-4045</orcidid></search><sort><creationdate>202107</creationdate><title>Impact of preoperative sarcopenia and myosteatosis on prognosis after radical cystectomy in patients with bladder cancer</title><author>Yamashita, Shimpei ; Iguchi, Takashi ; Koike, Hiroyuki ; Wakamiya, Takahito ; Kikkawa, Kazuro ; Kohjimoto, Yasuo ; Hara, Isao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3779-c09f32602ab81e9293e663a056f19b919ca252e723864e76c9306e09ff1b07ea3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Bladder cancer</topic><topic>body composition</topic><topic>Cancer</topic><topic>Computed tomography</topic><topic>cystectomy</topic><topic>Medical prognosis</topic><topic>Musculoskeletal system</topic><topic>prognosis</topic><topic>Risk factors</topic><topic>Sarcopenia</topic><topic>Skeletal muscle</topic><topic>Survival</topic><topic>urinary bladder neoplasms</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yamashita, Shimpei</creatorcontrib><creatorcontrib>Iguchi, Takashi</creatorcontrib><creatorcontrib>Koike, Hiroyuki</creatorcontrib><creatorcontrib>Wakamiya, Takahito</creatorcontrib><creatorcontrib>Kikkawa, Kazuro</creatorcontrib><creatorcontrib>Kohjimoto, Yasuo</creatorcontrib><creatorcontrib>Hara, Isao</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>International journal of urology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yamashita, Shimpei</au><au>Iguchi, Takashi</au><au>Koike, Hiroyuki</au><au>Wakamiya, Takahito</au><au>Kikkawa, Kazuro</au><au>Kohjimoto, Yasuo</au><au>Hara, Isao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Impact of preoperative sarcopenia and myosteatosis on prognosis after radical cystectomy in patients with bladder cancer</atitle><jtitle>International journal of urology</jtitle><addtitle>Int J Urol</addtitle><date>2021-07</date><risdate>2021</risdate><volume>28</volume><issue>7</issue><spage>757</spage><epage>762</epage><pages>757-762</pages><issn>0919-8172</issn><eissn>1442-2042</eissn><abstract>Objective
To evaluate the prognostic impact of sarcopenia and myosteatosis on survival after radical cystectomy for bladder cancer.
Methods
We retrospectively reviewed consecutive patients who underwent radical cystectomy for bladder cancer between 2010 and 2019, and 123 patients were finally included in this single‐center study. Pretreatment computed tomography images at the L3 level were used to calculate skeletal muscle index and skeletal muscle density. Sarcopenia and myosteatosis were diagnosed according to the gender‐specific cutoff values of skeletal muscle index and skeletal muscle density used in a previous study. We compared overall survival and cancer‐specific survival between patients with and without sarcopenia/myosteatosis. We also performed Cox proportional regression analyses to identify the predictors of overall survival and cancer‐specific survival.
Results
The median patient age was 74 years, and 20 patients (16%) were female. Thirty‐eight patients (31%) died from bladder cancer and 13 (11%) died from other causes. The patients with sarcopenia (n = 48, 39%) and those with myosteatosis (n = 101, 82%) had significantly lower overall survival and cancer‐specific survival rates than those without sarcopenia and those without myosteatosis, respectively. In multivariable analysis, in addition to the number of pathological risk factors, both sarcopenia (P < 0.01) and myosteatosis (P = 0.04) were independent significant predictors of poor cancer‐specific survival.
Conclusions
In our experience, sarcopenia and myosteatosis are independent predictors of poor cancer‐specific survival in patients undergoing radical cystectomy for bladder cancer. Sarcopenia is also associated with poor overall survival.</abstract><cop>Australia</cop><pub>Wiley Subscription Services, Inc</pub><pmid>33821510</pmid><doi>10.1111/iju.14569</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-8001-8264</orcidid><orcidid>https://orcid.org/0000-0001-7402-6164</orcidid><orcidid>https://orcid.org/0000-0003-4542-4045</orcidid></addata></record> |
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| identifier | ISSN: 0919-8172 |
| ispartof | International journal of urology, 2021-07, Vol.28 (7), p.757-762 |
| issn | 0919-8172 1442-2042 |
| language | eng |
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| source | Wiley-Blackwell Read & Publish Collection |
| subjects | Bladder cancer body composition Cancer Computed tomography cystectomy Medical prognosis Musculoskeletal system prognosis Risk factors Sarcopenia Skeletal muscle Survival urinary bladder neoplasms |
| title | Impact of preoperative sarcopenia and myosteatosis on prognosis after radical cystectomy in patients with bladder cancer |
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