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Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
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Related Experiment Video

Updated: Sep 8, 2025

Robotic D3 Partial Duodenal Resection with Primary Side-to-Side Anastomosis
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Outcomes Following Robotic Surgery for Complicated and Uncomplicated Diverticulitis.

Usama Waqar1, Courtney L Devin1, Terrah J Paul Olson1

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Robotic colectomy is safe for complicated (CD) and uncomplicated diverticulitis (UD). Patients with CD had more complications and lower rates of textbook outcomes compared to UD patients.

Keywords:
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Area of Science:

  • Colorectal Surgery
  • Minimally Invasive Surgery
  • Surgical Outcomes Research

Background:

  • Laparoscopic colectomy is standard for uncomplicated diverticulitis (UD), but associated with higher conversion and morbidity in complicated diverticulitis (CD).
  • Robotic colectomy (RC) is increasingly adopted for both UD and CD, necessitating comparative outcome analysis.

Purpose of the Study:

  • To compare outcomes of robotic colectomy (RC) for complicated diverticulitis (CD) versus uncomplicated diverticulitis (UD).
  • To identify factors associated with adverse outcomes in patients undergoing RC for diverticulitis.

Main Methods:

  • Retrospective analysis of 2014-2021 National Surgical Quality Improvement Program (NSQIP) data.
  • Inclusion of patients who underwent robotic colectomy for CD or UD.
  • Primary endpoint: textbook outcome (TO) defined by absence of prolonged length of stay, major morbidity, readmission, anastomotic leak, or 30-day mortality. Regression analyses were employed.

Main Results:

  • A total of 6829 patients were analyzed: 4604 (67.4%) with UD and 2225 (32.6%) with CD.
  • Textbook outcome (TO) was achieved in 62.9% of UD patients versus 48.5% of CD patients (P < .001).
  • Complicated diverticulitis (CD) was associated with significantly higher odds of major morbidity, conversion, prolonged length of stay, iatrogenic complications, postoperative sepsis, and organ/space infections.

Conclusions:

  • Robotic colectomy (RC) demonstrates safety and feasibility for both uncomplicated diverticulitis (UD) and complicated diverticulitis (CD).
  • Outcomes vary between CD and UD, with CD patients experiencing higher complication rates, reflecting disease complexity.
  • Further analysis identified specific factors influencing textbook outcome achievement within each cohort (UD and CD).