Emerging radiotherapy technology in a developing country: A single Brazilian institution assessment of stereotactic body radiotherapy application
Autor(a) principal: | |
---|---|
Data de Publicação: | 2016 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista da Associação Médica Brasileira (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-42302016000800782 |
Resumo: | Summary Objective: To provide a quantitative profile of the indications and use of stereotactic body radiotherapy (SBRT) in a developing country oncology-based institution. In addition, to describe the patients' and treatment characteristics, and to provide a temporal analysis. Method: SBRT patients treated from 2007 to 2015 were retrospectively evaluated by two independently investigators. Data were stratified and compared in two periods: first experience (FE) (May 2007 to April 2011), and following experience (FollowE) (May 2011 to April 2015). The following parameters were compared between the groups: total number of treated patients and lesions, treatment site, additional image fusion used, formal protocol adoption, and SBRT planning technique. Results: One hundred and seventy-six (176) patients with 191 lesions were treated: 34 (18%) lesions in the FE and 157 (82%) lesions in FollowE. The majority of lesions were metastases (60.3%), and lung (60.2%) was the most common treatment site, followed by spine (31%), and others (8.8%). An average of 1.4 (±0.6) additional imaging exams for delineation was performed. Conformal 3D radiotherapy planning technique was used in 64.4%, and intensity modulated radiotherapy (IMRT) or volumetric-modulated arc therapy (VMAT) in the remaining 35.6% (p=0.0001). Higher rates of curative treatments were observed in FE, as well as more lung lesions, patients ≥ 70 years, 3D conformal, number of additional images and ECOG 0, and all presented p<0.05. The global rate of protocol statement was 79%, lung treatment being the most stated. Conclusion: SBRT application is rapidly increasing in our setting. Treatment sites and planning techniques are becoming more diversified and complex. |
id |
AMB-1_e368642f3898eb2edd77b3792ff5abe7 |
---|---|
oai_identifier_str |
oai:scielo:S0104-42302016000800782 |
network_acronym_str |
AMB-1 |
network_name_str |
Revista da Associação Médica Brasileira (Online) |
repository_id_str |
|
spelling |
Emerging radiotherapy technology in a developing country: A single Brazilian institution assessment of stereotactic body radiotherapy applicationstereotactic body radiotherapyradiation oncologylung neoplasmradiosurgerySummary Objective: To provide a quantitative profile of the indications and use of stereotactic body radiotherapy (SBRT) in a developing country oncology-based institution. In addition, to describe the patients' and treatment characteristics, and to provide a temporal analysis. Method: SBRT patients treated from 2007 to 2015 were retrospectively evaluated by two independently investigators. Data were stratified and compared in two periods: first experience (FE) (May 2007 to April 2011), and following experience (FollowE) (May 2011 to April 2015). The following parameters were compared between the groups: total number of treated patients and lesions, treatment site, additional image fusion used, formal protocol adoption, and SBRT planning technique. Results: One hundred and seventy-six (176) patients with 191 lesions were treated: 34 (18%) lesions in the FE and 157 (82%) lesions in FollowE. The majority of lesions were metastases (60.3%), and lung (60.2%) was the most common treatment site, followed by spine (31%), and others (8.8%). An average of 1.4 (±0.6) additional imaging exams for delineation was performed. Conformal 3D radiotherapy planning technique was used in 64.4%, and intensity modulated radiotherapy (IMRT) or volumetric-modulated arc therapy (VMAT) in the remaining 35.6% (p=0.0001). Higher rates of curative treatments were observed in FE, as well as more lung lesions, patients ≥ 70 years, 3D conformal, number of additional images and ECOG 0, and all presented p<0.05. The global rate of protocol statement was 79%, lung treatment being the most stated. Conclusion: SBRT application is rapidly increasing in our setting. Treatment sites and planning techniques are becoming more diversified and complex.Associação Médica Brasileira2016-11-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-42302016000800782Revista da Associação Médica Brasileira v.62 n.8 2016reponame:Revista da Associação Médica Brasileira (Online)instname:Associação Médica Brasileira (AMB)instacron:AMB10.1590/1806-9282.62.08.782info:eu-repo/semantics/openAccessMoraes,Fabio YnoeBonifacio,Lorine AriasNeves-Junior,Wellington PimentaHanna,Samir AbdallahAbreu,Carlos Eduardo Cintra VitaArruda,Fernando FreireSilva,João Luis FernandesCarvalho,Heloisa Andradeeng2016-12-15T00:00:00Zoai:scielo:S0104-42302016000800782Revistahttps://ramb.amb.org.br/ultimas-edicoes/#https://old.scielo.br/oai/scielo-oai.php||ramb@amb.org.br1806-92820104-4230opendoar:2016-12-15T00:00Revista da Associação Médica Brasileira (Online) - Associação Médica Brasileira (AMB)false |
dc.title.none.fl_str_mv |
Emerging radiotherapy technology in a developing country: A single Brazilian institution assessment of stereotactic body radiotherapy application |
title |
Emerging radiotherapy technology in a developing country: A single Brazilian institution assessment of stereotactic body radiotherapy application |
spellingShingle |
Emerging radiotherapy technology in a developing country: A single Brazilian institution assessment of stereotactic body radiotherapy application Moraes,Fabio Ynoe stereotactic body radiotherapy radiation oncology lung neoplasm radiosurgery |
title_short |
Emerging radiotherapy technology in a developing country: A single Brazilian institution assessment of stereotactic body radiotherapy application |
title_full |
Emerging radiotherapy technology in a developing country: A single Brazilian institution assessment of stereotactic body radiotherapy application |
title_fullStr |
Emerging radiotherapy technology in a developing country: A single Brazilian institution assessment of stereotactic body radiotherapy application |
title_full_unstemmed |
Emerging radiotherapy technology in a developing country: A single Brazilian institution assessment of stereotactic body radiotherapy application |
title_sort |
Emerging radiotherapy technology in a developing country: A single Brazilian institution assessment of stereotactic body radiotherapy application |
author |
Moraes,Fabio Ynoe |
author_facet |
Moraes,Fabio Ynoe Bonifacio,Lorine Arias Neves-Junior,Wellington Pimenta Hanna,Samir Abdallah Abreu,Carlos Eduardo Cintra Vita Arruda,Fernando Freire Silva,João Luis Fernandes Carvalho,Heloisa Andrade |
author_role |
author |
author2 |
Bonifacio,Lorine Arias Neves-Junior,Wellington Pimenta Hanna,Samir Abdallah Abreu,Carlos Eduardo Cintra Vita Arruda,Fernando Freire Silva,João Luis Fernandes Carvalho,Heloisa Andrade |
author2_role |
author author author author author author author |
dc.contributor.author.fl_str_mv |
Moraes,Fabio Ynoe Bonifacio,Lorine Arias Neves-Junior,Wellington Pimenta Hanna,Samir Abdallah Abreu,Carlos Eduardo Cintra Vita Arruda,Fernando Freire Silva,João Luis Fernandes Carvalho,Heloisa Andrade |
dc.subject.por.fl_str_mv |
stereotactic body radiotherapy radiation oncology lung neoplasm radiosurgery |
topic |
stereotactic body radiotherapy radiation oncology lung neoplasm radiosurgery |
description |
Summary Objective: To provide a quantitative profile of the indications and use of stereotactic body radiotherapy (SBRT) in a developing country oncology-based institution. In addition, to describe the patients' and treatment characteristics, and to provide a temporal analysis. Method: SBRT patients treated from 2007 to 2015 were retrospectively evaluated by two independently investigators. Data were stratified and compared in two periods: first experience (FE) (May 2007 to April 2011), and following experience (FollowE) (May 2011 to April 2015). The following parameters were compared between the groups: total number of treated patients and lesions, treatment site, additional image fusion used, formal protocol adoption, and SBRT planning technique. Results: One hundred and seventy-six (176) patients with 191 lesions were treated: 34 (18%) lesions in the FE and 157 (82%) lesions in FollowE. The majority of lesions were metastases (60.3%), and lung (60.2%) was the most common treatment site, followed by spine (31%), and others (8.8%). An average of 1.4 (±0.6) additional imaging exams for delineation was performed. Conformal 3D radiotherapy planning technique was used in 64.4%, and intensity modulated radiotherapy (IMRT) or volumetric-modulated arc therapy (VMAT) in the remaining 35.6% (p=0.0001). Higher rates of curative treatments were observed in FE, as well as more lung lesions, patients ≥ 70 years, 3D conformal, number of additional images and ECOG 0, and all presented p<0.05. The global rate of protocol statement was 79%, lung treatment being the most stated. Conclusion: SBRT application is rapidly increasing in our setting. Treatment sites and planning techniques are becoming more diversified and complex. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-11-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-42302016000800782 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-42302016000800782 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/1806-9282.62.08.782 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Associação Médica Brasileira |
publisher.none.fl_str_mv |
Associação Médica Brasileira |
dc.source.none.fl_str_mv |
Revista da Associação Médica Brasileira v.62 n.8 2016 reponame:Revista da Associação Médica Brasileira (Online) instname:Associação Médica Brasileira (AMB) instacron:AMB |
instname_str |
Associação Médica Brasileira (AMB) |
instacron_str |
AMB |
institution |
AMB |
reponame_str |
Revista da Associação Médica Brasileira (Online) |
collection |
Revista da Associação Médica Brasileira (Online) |
repository.name.fl_str_mv |
Revista da Associação Médica Brasileira (Online) - Associação Médica Brasileira (AMB) |
repository.mail.fl_str_mv |
||ramb@amb.org.br |
_version_ |
1754212832053821440 |