Prostate specific antigen levels following transurethral resection of the prostate

Detalhes bibliográficos
Autor(a) principal: Fonseca,Roberto C.
Data de Publicação: 2008
Outros Autores: Gomes,Cristiano M., Meireles,Elton B., Freire,Geraldo C., Srougi,Miguel
Tipo de documento: Artigo
Idioma: eng
Título da fonte: International Braz J Urol (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1677-55382008000100007
Resumo: OBJECTIVE: Determine how serum prostate-specific antigen (t-PSA) levels and free PSA (f/t PSA) ratio change following transurethral resection of the prostate (TURP). MATERIALS AND METHODS: Thirty men with a mean age of 67.0 + 4.2 years (range 46 to 84 years) underwent TURP for BPH between May 2005 and October 2005. Preoperative assessment included symptom evaluation with the International Prostate Symptom Score (I-PSS) and the prostate volume estimation by transrectal ultrasound. Total PSA and f/t PSA ratio were assessed before the procedure, as well as 30, 60 and 180 days after the TURP. RESULTS: Clinical improvement after TURP, reflected by I-PSS score, was demonstrated as early as 30 days and remained stable until the end of the follow-up. Mean t-PSA declined 71% after TURP and 60 days after surgery the reduction reached its peak, stabilizing afterwards. It varied from 6.19 + 7.06 ng/mL before surgery to 1.75 + 1.66 ng/mL on day 60 (p < 0.001). The mean baseline f/t PSA ratio was 18.2% + 3.4% and was not significantly changed at any given time point in the postoperative period (p = 0.91). There were also no statistically significant differences in t-PSA or f/t PSA between patients with and without prostatitis at any time point (p = 0.23). Resected prostate fragments weighed 29.9 + 19.6 g, corresponding to 39.1% of the estimated preoperative prostate volume. Each gram of tissue resected decreased PSA by 0.15 + 0.11 ng/mL, while 1% prostate volume resected led to a reduction of 2.4% + 0.4% in serum PSA from baseline. CONCLUSIONS: PSA decreases drastically in patients who undergo TURP. These low levels stabilize within 60 days after surgery. The f/t PSA ratio did not change, and the finding of chronic prostatitis did not affect the levels of these variables.
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spelling Prostate specific antigen levels following transurethral resection of the prostateprostate-specific antigenbenign prostatic hyperplasiatransurethral resection of prostateOBJECTIVE: Determine how serum prostate-specific antigen (t-PSA) levels and free PSA (f/t PSA) ratio change following transurethral resection of the prostate (TURP). MATERIALS AND METHODS: Thirty men with a mean age of 67.0 + 4.2 years (range 46 to 84 years) underwent TURP for BPH between May 2005 and October 2005. Preoperative assessment included symptom evaluation with the International Prostate Symptom Score (I-PSS) and the prostate volume estimation by transrectal ultrasound. Total PSA and f/t PSA ratio were assessed before the procedure, as well as 30, 60 and 180 days after the TURP. RESULTS: Clinical improvement after TURP, reflected by I-PSS score, was demonstrated as early as 30 days and remained stable until the end of the follow-up. Mean t-PSA declined 71% after TURP and 60 days after surgery the reduction reached its peak, stabilizing afterwards. It varied from 6.19 + 7.06 ng/mL before surgery to 1.75 + 1.66 ng/mL on day 60 (p < 0.001). The mean baseline f/t PSA ratio was 18.2% + 3.4% and was not significantly changed at any given time point in the postoperative period (p = 0.91). There were also no statistically significant differences in t-PSA or f/t PSA between patients with and without prostatitis at any time point (p = 0.23). Resected prostate fragments weighed 29.9 + 19.6 g, corresponding to 39.1% of the estimated preoperative prostate volume. Each gram of tissue resected decreased PSA by 0.15 + 0.11 ng/mL, while 1% prostate volume resected led to a reduction of 2.4% + 0.4% in serum PSA from baseline. CONCLUSIONS: PSA decreases drastically in patients who undergo TURP. These low levels stabilize within 60 days after surgery. The f/t PSA ratio did not change, and the finding of chronic prostatitis did not affect the levels of these variables.Sociedade Brasileira de Urologia2008-02-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1677-55382008000100007International braz j urol v.34 n.1 2008reponame:International Braz J Urol (Online)instname:Sociedade Brasileira de Urologia (SBU)instacron:SBU10.1590/S1677-55382008000100007info:eu-repo/semantics/openAccessFonseca,Roberto C.Gomes,Cristiano M.Meireles,Elton B.Freire,Geraldo C.Srougi,Migueleng2008-05-26T00:00:00Zoai:scielo:S1677-55382008000100007Revistahttp://www.brazjurol.com.br/ONGhttps://old.scielo.br/oai/scielo-oai.php||brazjurol@brazjurol.com.br1677-61191677-5538opendoar:2008-05-26T00:00International Braz J Urol (Online) - Sociedade Brasileira de Urologia (SBU)false
dc.title.none.fl_str_mv Prostate specific antigen levels following transurethral resection of the prostate
title Prostate specific antigen levels following transurethral resection of the prostate
spellingShingle Prostate specific antigen levels following transurethral resection of the prostate
Fonseca,Roberto C.
prostate-specific antigen
benign prostatic hyperplasia
transurethral resection of prostate
title_short Prostate specific antigen levels following transurethral resection of the prostate
title_full Prostate specific antigen levels following transurethral resection of the prostate
title_fullStr Prostate specific antigen levels following transurethral resection of the prostate
title_full_unstemmed Prostate specific antigen levels following transurethral resection of the prostate
title_sort Prostate specific antigen levels following transurethral resection of the prostate
author Fonseca,Roberto C.
author_facet Fonseca,Roberto C.
Gomes,Cristiano M.
Meireles,Elton B.
Freire,Geraldo C.
Srougi,Miguel
author_role author
author2 Gomes,Cristiano M.
Meireles,Elton B.
Freire,Geraldo C.
Srougi,Miguel
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Fonseca,Roberto C.
Gomes,Cristiano M.
Meireles,Elton B.
Freire,Geraldo C.
Srougi,Miguel
dc.subject.por.fl_str_mv prostate-specific antigen
benign prostatic hyperplasia
transurethral resection of prostate
topic prostate-specific antigen
benign prostatic hyperplasia
transurethral resection of prostate
description OBJECTIVE: Determine how serum prostate-specific antigen (t-PSA) levels and free PSA (f/t PSA) ratio change following transurethral resection of the prostate (TURP). MATERIALS AND METHODS: Thirty men with a mean age of 67.0 + 4.2 years (range 46 to 84 years) underwent TURP for BPH between May 2005 and October 2005. Preoperative assessment included symptom evaluation with the International Prostate Symptom Score (I-PSS) and the prostate volume estimation by transrectal ultrasound. Total PSA and f/t PSA ratio were assessed before the procedure, as well as 30, 60 and 180 days after the TURP. RESULTS: Clinical improvement after TURP, reflected by I-PSS score, was demonstrated as early as 30 days and remained stable until the end of the follow-up. Mean t-PSA declined 71% after TURP and 60 days after surgery the reduction reached its peak, stabilizing afterwards. It varied from 6.19 + 7.06 ng/mL before surgery to 1.75 + 1.66 ng/mL on day 60 (p < 0.001). The mean baseline f/t PSA ratio was 18.2% + 3.4% and was not significantly changed at any given time point in the postoperative period (p = 0.91). There were also no statistically significant differences in t-PSA or f/t PSA between patients with and without prostatitis at any time point (p = 0.23). Resected prostate fragments weighed 29.9 + 19.6 g, corresponding to 39.1% of the estimated preoperative prostate volume. Each gram of tissue resected decreased PSA by 0.15 + 0.11 ng/mL, while 1% prostate volume resected led to a reduction of 2.4% + 0.4% in serum PSA from baseline. CONCLUSIONS: PSA decreases drastically in patients who undergo TURP. These low levels stabilize within 60 days after surgery. The f/t PSA ratio did not change, and the finding of chronic prostatitis did not affect the levels of these variables.
publishDate 2008
dc.date.none.fl_str_mv 2008-02-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S1677-55382008000100007
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.publisher.none.fl_str_mv Sociedade Brasileira de Urologia
publisher.none.fl_str_mv Sociedade Brasileira de Urologia
dc.source.none.fl_str_mv International braz j urol v.34 n.1 2008
reponame:International Braz J Urol (Online)
instname:Sociedade Brasileira de Urologia (SBU)
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instname_str Sociedade Brasileira de Urologia (SBU)
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reponame_str International Braz J Urol (Online)
collection International Braz J Urol (Online)
repository.name.fl_str_mv International Braz J Urol (Online) - Sociedade Brasileira de Urologia (SBU)
repository.mail.fl_str_mv ||brazjurol@brazjurol.com.br
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