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Tomographic sarcopenia predicts anastomotic leaks and long-term survival in gastric cancer patients operated with curative intent / Sarcopenia tomográfica prevê fístulas de anastomoses e sobrevida a longo prazo em pacientes com câncer gástrico operados com intenção curativa
Figueroa-Giralt, Manuel; Araya, Francisca; Torrealba, Andrés; Weisz, José; Lanzarini, Enrique; Musleh, Maher; Molina, Juan Carlos; Korn, Owen; Braghetto, Italo; Csendes, Attila.
  • Figueroa-Giralt, Manuel; Universidad de Chile. Clinical Hospital. Surgery Department. Santiago. CL
  • Araya, Francisca; Universidad de Chile. Clinical Hospital. Radiology Department. Santiago. CL
  • Torrealba, Andrés; Universidad de Chile. Clinical Hospital. Surgery Department. Santiago. CL
  • Weisz, José; Universidad de Chile. Clinical Hospital. Radiology Department. Santiago. CL
  • Lanzarini, Enrique; Universidad de Chile. Clinical Hospital. Surgery Department. Santiago. CL
  • Musleh, Maher; Universidad de Chile. Clinical Hospital. Surgery Department. Santiago. CL
  • Molina, Juan Carlos; Universidad de Chile. Clinical Hospital. Surgery Department. Santiago. CL
  • Korn, Owen; Universidad de Chile. Clinical Hospital. Surgery Department. Santiago. CL
  • Braghetto, Italo; Universidad de Chile. Clinical Hospital. Surgery Department. Santiago. CL
  • Csendes, Attila; Universidad de Chile. Clinical Hospital. Surgery Department. Santiago. CL
ABCD (São Paulo, Online) ; 36: e1723, 2023. tab, graf
Article in English | LILACS-Express | LILACS | ID: biblio-1429503
ABSTRACT
ABSTRACT

BACKGROUND:

The preoperative nutritional state has prognostic postoperative value. Tomographic density and area of psoas muscle are validated tools for assessing nutritional status. There are few reports assessing the utility of staging tomography in gastric cancer patients in this field.

AIMS:

This study aimed to determine the influence of sarcopenia, measured by a preoperative staging computed tomography scan, on postoperative morbimortality and long-term survival in patients operated on for gastric cancer with curative intent.

METHODS:

This retrospective study was conducted from 2007 to 2013. The definition of radiological sarcopenia was by measurement of cross-sectional area and density of psoas muscle at the L3 (third lumbar vertebra) level in an axial cut of an abdominopelvic computed tomography scan (in the selection without intravascular contrast media). The software used was OsirixX version 10.0.2, with the tool "propagate segmentation", and all muscle seen in the image was manually adjusted.

RESULTS:

We included 70 patients, 77% men, with a mean cross-sectional in L3 of 16.6 cm2 (standard deviation+6.1) and mean density of psoas muscle in L3 of 36.1 mean muscle density (standard deviation+7.1). Advanced cancers were 86, 28.6% had signet-ring cells, 78.6% required a total gastrectomy, postoperative surgical morbidity and mortality were 22.8 and 2.8%, respectively, and overall 5-year long-term survival was 57.1%. In the multivariate analysis, cross-sectional area failed to predict surgical morbidity (p=0.4) and 5-year long-term survival (p=0.34), while density of psoas muscle was able to predict anastomotic fistulas (p=0.009; OR 0.86; 95%CI 0.76-0.96) and 5-year long-term survival (p=0.04; OR 2.9; 95%CI 1.04-8.15).

CONCLUSIONS:

Tomographic diagnosis of sarcopenia from density of psoas muscle can predict anastomotic fistulas and long-term survival in gastric cancer patients treated with curative intent.
RESUMO
RESUMO RACIONAL O estado nutricional pré-operatório tem valor prognóstico pós-operatório. A densidade tomográfica e a área do músculo psoas é uma ferramenta validada para o estado nutricional. Existem poucos estudos avaliando a utilidade da tomografia de estadiamento em pacientes com câncer gástrico neste campo.

OBJETIVOS:

Determinar a influência da sarcopenia, medida por tomografia computadorizada de estadiamento pré-operatório, na morbimortalidade pós-operatória e sobrevida em longo prazo em pacientes operados de câncer gástrico com intenção curativa.

MÉTODOS:

Estudo retrospectivo de 2007 a 2013. A definição de sarcopenia radiológica foi pela medida da área (PA) e densidade do músculo psoas (PD) a nível de L3 (Terceira vertebra lombar), em um corte axial de tomografia computadorizada abdominopélvica (na seleção sem meio de contraste intravascular). O Software utilizado foi o OsirixX v 10.0.2, com a ferramenta "propagar segmentação", ajustando manualmente todos os músculos vistos na imagem.

RESULTADOS:

Foram incluídos 70 pacientes, 77% homens, PA média em L3 16,6 cm2 (desvio padrão+6,1), PD média em L3 36,1 mean muscle density (desvio padrão+7,1). Os cânceres avançados foram de 86, 28,6% tinham células em anel de sinete, 78,6% necessitaram de gastrectomia total, a morbidade e mortalidade cirúrgica pós-operatória foi de 22,8 e 2,8%, respectivamente, a sobrevida global de 5 anos a longo prazo (SV5) foi de 57,1%. Na análise multivariada, PA falhou em prever morbidade cirúrgica (p=0,4) e sobrevida global de 5 anos (p=0,34), enquanto PD foi capaz de prever fístulas anastomóticas (p=0,009; OR 0,86; IC95% 0,76-0,96) e SV5 (p=0,04; OR 2,9; IC95% 1,04-8,15).

CONCLUSÕES:

O diagnóstico tomográfico de sarcopenia por desvio padrão é capaz de predizer fístulas anastomóticas e sobrevida a longo prazo em pacientes com câncer gástrico tratados com intenção curativa.


Full text: Available Index: LILACS (Americas) Type of study: Observational study / Prognostic study / Risk factors Language: English Journal: ABCD (São Paulo, Online) Year: 2023 Type: Article Affiliation country: Chile Institution/Affiliation country: Universidad de Chile/CL

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Full text: Available Index: LILACS (Americas) Type of study: Observational study / Prognostic study / Risk factors Language: English Journal: ABCD (São Paulo, Online) Year: 2023 Type: Article Affiliation country: Chile Institution/Affiliation country: Universidad de Chile/CL