Association of feces sign with prognosis of non-emergency adhesive small bowel obstruction

Yamamoto, Yuta; Miyagawa, Yusuke; Kitazawa, Masato; Tanaka, Hirokazu; Kuroiwa, Masatsugu; Hondo, Nao; Koyama, Makoto; Nakamura, Satoshi; Tokumaru, Shigeo; Muranaka, Futoshi; Soejima, Yuji

doi:10.1016/j.asjsur.2020.07.012

Cited by 6 publications

(8 citation statements)

References 20 publications

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“…We have previously reported that FS is associated with a good prognosis in patients with non‐strangulated postoperative ASBO, on the condition that the patients who required emergency surgery and whose TZ was invisible on CT were excluded 5 . In line with our previous report, this study showed that FS, as well as sex differences, were significantly associated with LOS.…”

Section: Discussionsupporting

confidence: 87%

“…Although most patients with ASBO without strangulation (non‐strangulated ASBO) respond to gastrointestinal decompression, 4 some of them fail to respond and develop persistent bowel obstruction, resulting in increased hospital length of stay (LOS). Based on CT imaging findings, we have previously reported that the faeces sign (FS) in the transitional zone (TZ) is a good prognostic marker in non‐strangulated postoperative ASBO, whereas the male sex shows a tendency to be associated with increased odds for hospital discharge (odds ratio 1.682, 95% confidence interval [CI] 0.972–2.911, P = 0.063) 5 . In that study, we limited the study cohort to patients whose TZ was visible on CT.…”

Section: Introductionmentioning

confidence: 99%

“…[CI] 0.972-2.911, p = 0.063) (5). In that study, we limited the study cohort to patients whose TZ was visible on CT.…”

Section: Introductionmentioning

confidence: 99%

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Sex differences in non‐strangulated postoperative adhesive small bowel obstruction: a retrospective cohort study

Yamamoto

Miyagawa

Kitazawa

et al. 2021

ANZ Journal of Surgery

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Background Adhesive small bowel obstruction (ASBO) is one of the major causes of postoperative morbidity. Non‐surgical management is generally applied to non‐strangulated ASBO. Several factors have been reported to affect the response to non‐surgical management in patients with ASBO. However, the association between sex differences and non‐strangulated ASBO remains unclear. This study aimed to elucidate the effect of sex differences in non‐strangulated postoperative ASBO. Methods We divided 139 patients with a first episode of non‐strangulated postoperative ASBO into two groups: male group (n = 83) and female group (n = 56). Clinical features and prognosis were compared between the two groups. Results Female patients had lower proportions of oesophageal/gastric malignancies (P = 0.044) and colorectal malignancies (P = 0.030) and a higher proportion of uterine/ovarian malignancies (P < 0.001) than male patients did. More female patients required surgical management than male patients (P = 0.003) did. Hospital length of stay (LOS) was longer (P = 0.046) in the female group than in the male group. Multiple logistic regression analysis showed that the female sex was associated with an increased risk of the need for surgical management (odds ratio 5.318, P = 0.006). Cox proportional hazards regression analysis revealed that the female sex was positively associated with increased LOS (hazard ratio 0.687, P = 0.045). Conclusion Female sex was associated with failure of non‐surgical management and increased LOS in patients with non‐strangulated postoperative ASBO.

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Section: Discussionsupporting

confidence: 87%

Section: Introductionmentioning

confidence: 99%

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Sex differences in non‐strangulated postoperative adhesive small bowel obstruction: a retrospective cohort study

Yamamoto

Miyagawa

Kitazawa

et al. 2021

ANZ Journal of Surgery

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“…We have previously reported that FS is associated with good prognosis in patients with non-strangulated postoperative ASBO, on the condition that the patients who required emergency surgery and whose TZ was invisible on CT were excluded (5). In line with our previous report, this study showed that FS and PS as well as sex differences were signi cantly associated with LOS.…”

Section: Discussionsupporting

confidence: 86%

Sex Differences in Non-strangulated Postoperative Adhesive Small Bowel Obstruction: A Retrospective Cohort Study

Yamamoto

Miyagawa

Kitazawa

et al. 2021

Preprint

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Background: Adhesive small bowel obstruction (ASBO) is one of the major causes of postoperative morbidity. Conservative treatment is generally applied to non-strangulated ASBO. Several factors have been reported to affect the response to conservative treatment in patients with ASBO. However, the association between sex differences and non-strangulated ASBO remains unclear. This study aimed to elucidate the effect of sex differences in non-strangulated postoperative ASBO.Methods: We divided 192 admissions of 99 patients with non-strangulated postoperative ASBO into two groups: the male group (n = 137) and female group (n = 55). Clinical features and prognosis were compared between the two groups.Results: Female patients had significantly poorer performance status (p < 0.001) and lower proportions of esophageal/gastric malignancies (p = 0.002), colorectal malignancies (p = 0.034), and history of ASBO (p = 0.028) than male patients. More female patients failed conservative treatment (p = 0.036) than male patients. Hospital length of stay (LOS) was longer (p = 0.002) in the female group than in the male group. Multiple logistic regression analysis showed that female sex was associated with increased odds of requiring elective surgery (odds ratio 2.381, p = 0.040). The Cox proportional hazards regression model revealed that female sex was an independent predictor of hospital discharge (hazard ratio 0.651, p = 0.015).Conclusion: Female sex adversely affected the response to conservative treatment and LOS in patients with non-strangulated postoperative ASBO.

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“…Several factors are associated with successful non-surgical management of patients with ASBO. For example, the feces sign (FS) [ 1 - 3 ], number of transitional zones [ 4 ], beak signs [ 5 ], anterior adhesion [ 6 , 7 ], sex differences [ 8 ], and administration of water-soluble contrast agents [ 6 , 7 , 9 ] affect the response of patients with ASBO to non-surgical management.…”

Section: Introductionmentioning

confidence: 99%

Association of Daily Variance in Air Temperature With Postoperative Adhesive Small Bowel Obstruction

Yamamoto¹,

Kitazawa²,

Miyagawa³

et al. 2022

Cureus

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Introduction: The influence of air temperature on adhesive small bowel obstruction (ASBO) is unknown. This study aimed to investigate the relationship between air temperature and postoperative ASBO. Methods: Overall, 312 patients with postoperative ASBO were included. They were categorized into two groups: the surgery group (n = 83) comprising patients who needed surgery, and the non-surgery group (n = 229) comprising patients who responded to conservative treatment. The associations between patients’ characteristics and weather variables on days of symptom onset with the need for surgical management were investigated. Weather variables included the daily mean barometric pressure, daily mean air temperature, day-to-day differences, daily variances, and diurnal variation in the air temperature. Day-to-day differences in weather variables were calculated as the daily mean variables on the day of symptom onset minus those on the previous day. The daily variances in weather variables were defined as the absolute value of day-to-day differences. Results: Compared to the non-surgery group, the surgery group had older patients (75 vs. 70 years, p = 0.009), a higher proportion of female patients (44.6% vs. 32.3%, p = 0.046), increased incidence of closed-loop sign (50.6% vs. 0.9%, p < 0.001), a lower proportion of feces sign (18.1% vs. 31.3%, p = 0.024), and a prolonged hospital stay (11 vs. 22 days, p < 0.001). The number distribution of patients in the surgery group in day-to-day differences in air temperature was different from that of the non-surgery group; the former has several peaks whereas the latter has almost one peak. Daily variance in mean air temperature on the day of symptom onset was higher in the surgery group than in the non-surgery group (2.3 vs. 1.3℃, p < 0.001). Multiple logistic regression analysis revealed that increased daily variance in air temperature on the onset day was associated with the need for surgical management (odds ratio 1.254, p = 0.002) and closed-loop obstruction (odds ratio 1.235, p = 0.017). Regarding seasonal variations, the risk of the need for surgery and closed-loop obstruction in each ASBO patient was the highest in spring, followed by that in summer, autumn, and winter. Consistently, the daily variance in mean air temperature in spring was higher than that in summer, autumn, and winter (p < 0.0001, p < 0.0001, and p = 0.0047, respectively). The risk of the need for surgery and closed-loop obstruction in each ASBO patient was the highest in spring, followed by that in summer, autumn, and winter. Consistently, daily variance in mean air temperature was higher in spring than that in summer, autumn, and winter (p < 0.0001, p < 0.0001, and p = 0.0047, respectively). Conclusion: Increased daily variance in mean air temperature on the day of onset is associated with the need for surgical management and closed-loop obstruction. Spring is characterized by the highest daily variance in mean air temperature among the four seasons, and is associate...

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Association of feces sign with prognosis of non-emergency adhesive small bowel obstruction

Cited by 6 publications

References 20 publications

Sex differences in non‐strangulated postoperative adhesive small bowel obstruction: a retrospective cohort study

Sex differences in non‐strangulated postoperative adhesive small bowel obstruction: a retrospective cohort study

Sex Differences in Non-strangulated Postoperative Adhesive Small Bowel Obstruction: A Retrospective Cohort Study

Association of Daily Variance in Air Temperature With Postoperative Adhesive Small Bowel Obstruction

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