Gastroenterology research and practice · 2018
Prediction of the Clinical Outcomes of Sigmoid Volvulus by Abdominal X-Ray: AXIS Classification System.
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Ishibashi Rei, Niikura Ryota, Obana Nobuya, Fukuda Sho, Tsuboi Mayo, Aoki Tomonori, Yoshida Shuntaro, Yamada Atsuo, Hirata Yoshihiro, Koike Kazuhiko
Аннотация
AIM: Early diagnosis and evaluation of the severity of sigmoid volvulus are necessary for management and early intervention. We developed a new predictive classification system for sigmoid volvulus based on X-ray findings.
METHODS: We retrospectively analyzed 66 patients diagnosed with sigmoid volvulus using the electronic medical records at the Osaki Citizen's Hospital and the University of Tokyo Hospital from 2008-2015. We classified patients according to the coffee-bean sign mesenteric axis on X-ray (AXIS classification: group A, 0-90°; group B, 90-135°; and group C, >135°). We examined the association between AXIS classification and severe sigmoid volvulus, intestinal necrosis, need for surgery, 30-day mortality, and length of stay using the Cochran-Armitage trend test.
RESULTS: In total, 66 patients were analyzed. They had a mean age of 76.9 years, and 47 (71.0%) were male. They were classified into three groups according to the AXIS classification system (group A, 40 patients; group B, 23 patients; and group C, 3 patients). Group C had a significantly higher frequency of severe sigmoid volvulus (100%) compared to group B (30%) and group A (15%). AXIS classification was significantly associated with the severity of sigmoid volvulus (p = 0.003), necrosis (p = 0.004), and need for surgery (p = 0.001), but not with the 30-day mortality or the length of stay.
CONCLUSIONS: We developed the AXIS classification system to predict the severity of sigmoid volvulus. This new classification system may facilitate triage and therapeutic decision-making for sigmoid volvulus patients.
METHODS: We retrospectively analyzed 66 patients diagnosed with sigmoid volvulus using the electronic medical records at the Osaki Citizen's Hospital and the University of Tokyo Hospital from 2008-2015. We classified patients according to the coffee-bean sign mesenteric axis on X-ray (AXIS classification: group A, 0-90°; group B, 90-135°; and group C, >135°). We examined the association between AXIS classification and severe sigmoid volvulus, intestinal necrosis, need for surgery, 30-day mortality, and length of stay using the Cochran-Armitage trend test.
RESULTS: In total, 66 patients were analyzed. They had a mean age of 76.9 years, and 47 (71.0%) were male. They were classified into three groups according to the AXIS classification system (group A, 40 patients; group B, 23 patients; and group C, 3 patients). Group C had a significantly higher frequency of severe sigmoid volvulus (100%) compared to group B (30%) and group A (15%). AXIS classification was significantly associated with the severity of sigmoid volvulus (p = 0.003), necrosis (p = 0.004), and need for surgery (p = 0.001), but not with the 30-day mortality or the length of stay.
CONCLUSIONS: We developed the AXIS classification system to predict the severity of sigmoid volvulus. This new classification system may facilitate triage and therapeutic decision-making for sigmoid volvulus patients.