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Assessment of the Abdomen II: Percussion01:18

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Percussion is a fundamental technique used to assess the liver, spleen, and abdominal organs by tapping the abdomen and interpreting the resulting sounds. This method helps identify fluid, distention, and masses through variations in sound, such as the high-pitched tympany of air-filled areas and the dullness of solid masses. Understanding how to percuss these organs provides valuable information for healthcare professionals in diagnosing conditions early.
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Peritoneum01:21

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Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
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Related Experiment Video

Updated: Apr 11, 2026

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
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POSSUM: A Scoring System for Perforative Peritonitis.

Ambarish S Chatterjee1, D N Renganathan2

  • 1Registrar, Department of General Surgery, Seth V.C. Gandhi & M.A. Vora Municipal General Hospital , Rajawadi, Ghatkopar (E), Mumbai- Maharashtra, India .

Journal of Clinical and Diagnostic Research : JCDR
|June 6, 2015
PubMed
Summary
This summary is machine-generated.

The POSSUM scoring system effectively predicts outcomes for perforative peritonitis patients. Adding perforation-to-operation time and co-morbidity improves risk assessment for better patient management.

Keywords:
Co-morbidityPerforation to operation time

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Area of Science:

  • Surgical outcomes research
  • Clinical scoring systems
  • Peritonitis management

Background:

  • Perforative peritonitis presents significant postoperative morbidity and mortality risks.
  • Predictive scoring systems are crucial for managing patient outcomes.
  • The POSSUM (Physiological and Operative Severity Score for the enumeration of Mortality and Morbidity) system is a recognized tool for this purpose.

Purpose of the Study:

  • To evaluate the efficacy of the POSSUM scoring system in predicting postoperative outcomes in patients with perforative peritonitis.
  • To assess the impact of adding perforation-to-operation time and co-morbidity to the POSSUM system.
  • To identify high-risk patients for targeted management.

Main Methods:

  • A prospective study involving 50 patients with perforative peritonitis.
  • Data collection utilized the POSSUM scoring system, with added factors of perforation-to-operation time and co-morbidity.
  • Outcomes (death/alive, complicated/uncomplicated) were recorded and compared with expected results.

Main Results:

  • The POSSUM system showed an observed-to-expected ratio of 1.005 for mortality and 1.001 for morbidity.
  • No statistically significant differences were found between observed and expected mortality (p=0.316) or morbidity (p=0.792) rates.
  • Perforation-to-operation time and co-morbidity were identified as statistically significant factors influencing patient outcomes (p<0.05).

Conclusions:

  • The POSSUM scoring system is a reliable indicator of postoperative outcomes in perforative peritonitis patients.
  • The system's applicability was confirmed in the study setting.
  • Incorporating perforation-to-operation time and co-morbid status can enhance the POSSUM system for improved patient care and risk stratification.