Publications by authors named "S Riss"

Aim: Ventral mesh rectopexy (VMR) is an established surgical treatment for rectal prolapse and outlet obstruction. In contrast to continental Europe, in the UK and US the use of synthetic mesh has been abandoned in favour of biologic mesh, due to concerns regarding mesh related morbidity. The current study investigated if either material is superior, in terms of clinical recurrence and mesh related complications.

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  • Peritoneal mesothelioma (PM) is a rare and aggressive cancer with different subtypes, and locoregional therapies like cytoreductive surgery (CRS) combined with hyperthermic intraperitoneal chemotherapy (HIPEC) are being used to treat it.
  • A study evaluated 15 patients who underwent CRS and HIPEC, finding that 85.7% achieved complete cytoreduction, but there were complications in 28.6% of cases, with a median follow-up of 55 months.
  • Overall, 64.3% of patients had no evidence of disease by the end of follow-up, indicating that with effective treatment, good oncological outcomes are possible for those with this rare disease
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Background: Sphincter-preserving techniques like autologous compound platelet-rich fibrin foam have gained popularity, offering potential for better functional outcomes in anal fistula treatment. The present study aimed to evaluate the efficacy and safety of Obsidian RFT.

Methods: The study conducted a retrospective analysis from January 2018 to December 2022 on patients who received anal fistula closure with Obsidian RTF at the Department of General Surgery, Medical University of Vienna.

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  • The study investigated the relationship between surgeon and hospital volume and postoperative outcomes in rectal cancer surgeries, focusing on complications in patients.
  • Analysis of 336 patients revealed that only 14.7% of surgeons were high-volume, yet they performed 66.3% of the surgeries, indicating a concentration of cases among few surgeons.
  • Results showed that the treating center significantly influenced outcomes, while individual surgeon's caseload and type of surgery (open vs. minimally invasive) did not have a meaningful independent effect on complication rates.
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