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Impact of MDCT with intravenous contrast on the survival in patients with acute superior mesenteric artery occlusion.

In English

Författare

Summary, in English

Acute thromboembolic occlusion in the superior mesenteric artery (SMA) is a condition with high mortality and morbidity. Multi-detector computerised tomography with intravenous contrast enhancement (MDCTiv) may improve diagnostic accuracy and survival. Patients with acute SMA occlusion were identified between 2004 and 2008 at Malmö University Hospital, Sweden. Medical records were analysed. Each MDCTiv was re-evaluated. A total of 67 patients were identified with SMA occlusion, of which 36 were examined with MDCTiv and ten with plain MDCT without intravenous contrast. In all, 24 (67%) of the 36 patients were correctly diagnosed by MDCTiv at first evaluation. Clinical suspicion of intestinal ischemia followed by a distinct inquiry for intestinal ischemia was associated with trend for a higher rate of correct radiological diagnosis, 18 of 23 (78%), at first evaluation (0.06) but without affecting in-hospital survival (p = 0.27). At re-evaluation, SMA occlusion was found in all cases with MDCTiv, whereas intestinal findings were present in half. In-hospital mortality rate was 42% for patients who underwent MDCTiv, which was significantly lower compared to 90% for the ten patients examined with plain MDCT (p = 0.007) and 71% for patients not examined with MDCTiv or plain MDCT (p = 0.031). Patients that underwent plain MDCT had higher levels of creatinine compared to those examined with MDCTiv (p = 0.005). Patients who underwent intestinal revascularisation, endovascular or open, had higher survival rate (p = 0.001). Examination with MDCTiv in patients with acute SMA occlusion was associated with survival benefit. Hence, MDCTiv seems to be the method of choice in the workup phase. Radiologists should routinely describe the mesenteric vessels in patients with acute abdomen even when the diagnosis is not asked for. Patients with high creatinine levels are at risk to be examined without intravenous contrast, and survival in these patients is poor.

Publiceringsår

2010

Språk

Engelska

Publikation/Tidskrift/Serie

Emergency Radiology

Volym

17

Issue

171 - 78

Dokumenttyp

Artikel i tidskrift

Förlag

Springer

Ämne

  • Gerontology, specializing in Medical and Health Sciences
  • Cardiac and Cardiovascular Systems

Status

Published

Forskningsgrupp

  • Geriatric Medicine
  • Surgery
  • Geriatrics
  • Vascular Diseases - Clinical Research

ISBN/ISSN/Övrigt

  • ISSN: 1438-1435