Intersphincteric resection for very low rectal cancer: A review of the updated literature.
Ann Gastroenterol Surg
; 1(1): 24-32, 2017 Apr.
Article
em En
| MEDLINE
| ID: mdl-29863144
ABSTRACT
Intersphincteric resection (ISR) has rapidly increased worldwide including laparoscopic surgery. However, there are some concerns for the definition of ISR, surgical technique, oncological outcome, anal function, and quality of life (QoL). The aim of the present study is to evaluate those issues. A review of this surgical technique was carried out by searching English language literature of the PubMed online database and appropriate articles were identified. With regard to open-ISR, the morbidity rate ranged from 7.5% to 38.3%, with lower mortality rates. Local recurrence rates varied widely from 0% to 22.7%, with a mean follow-up duration of 40-94 months. Disease-free and overall 5-year survival rates were 68-86% and 76-97%, respectively. Those outcomes were equivalent to laparoscopic-ISR. Surgical and oncological outcomes of ISR were generally acceptable. However, accurate evaluation of anal function and QoL was difficult because of a lack of standard assessment of various patient-related factors. The surgical and oncological outcomes after ISR seem to be acceptable. The ISR technique seems to be valid as an alternative to abdominoperineal resection in selected patients with a very low rectal cancer. However, both necessity for ISR and expectations of QoL impairment as a result of functional disorder should be fully discussed with patients before surgery.
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MEDLINE
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En
Ano de publicação:
2017
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Article