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Observational Study
. 2023 Oct;42(5):677-685.
doi: 10.1007/s12664-023-01393-1. Epub 2023 Aug 29.

To evaluate the prevalence of spontaneous portosystemic shunts in decompensated cirrhosis patients and its prognostic significance

Rishabh Kothari  1 , Deepanshu Khanna  1 , Premashis Kar  2
Affiliations
Observational Study

To evaluate the prevalence of spontaneous portosystemic shunts in decompensated cirrhosis patients and its prognostic significance

Rishabh Kothari et al. Indian J Gastroenterol. 2023 Oct.

Abstract

Introduction: Spontaneous portosystemic shunts (SPSS) are frequent in liver cirrhosis and their prevalence increases as liver function deteriorates, probably as a consequence of worsening portal hypertension, but without achieving an effective protection against cirrhosis complications. This study was conducted to detect the prevalence of portosystemic shunts in liver cirrhosis patients and analyze its prognostic role.

Method: We conducted a prospective observational study, where 92 patients with decompensated cirrhosis were evaluated based on history, physical examination, biochemical tests and abdominal computed tomography (CT) angiography findings. A follow-up was done after six months for the development of cirrhosis-related complications.

Results: Of the 92 cirrhotic patients, 57.6% had SPSS (large SPSS + small SPSS) detected by multi-detector computed tomographic angiography. Overall, we found large SPSS in 24 (26.1%) patients, small SPSS in 29 (31.5%) patients and no shunt in 39 (42.4%) patients. Among the shunts, the splenorenal shunt is the most frequent type (25, 27.2%) followed by the paraumbilical shunt (20.7%). Previous decompensating events, including hepatic encephalopathy, ascites, spontaneous bacterial peritonitis and gastrointestinal bleed, were experienced more frequently by the large SPSS group followed by the small SPSS and without SPSS groups. Regarding follow-up, decompensating episodes of hepatic encephalopathy developed more frequently in patients with large SPSS (41.7%) than in patients with small SPSS (24.1%) followed by patients without SPSS (12.8%).

Conclusion: In summary, all cirrhotic patients should be studied with radiological imaging to detect the presence of portosystemic shunts. In several cases, patients with large SPSS had a more impaired liver function and more frequent complications of portal hypertension. So, these patients would probably benefit from a closer surveillance and more intensive therapy.

Keywords: Hepatic encephalopathy; Liver cirrhosis; Portal hypertension; Spontaneous portosystemic shunts; Varices.

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