Subtopic Deep Dive
Epidemiology of Intussusception and Meckel's Diverticulum
Research Guide
What is Epidemiology of Intussusception and Meckel's Diverticulum?
Epidemiology of intussusception and Meckel's diverticulum studies population incidence, risk factors, age patterns, and vaccination impacts using registries like VAERS.
Intussusception incidence peaks in infants at 1-4/1000/year with idiopathic cases in children and pathologic leads in adults (Marinis et al., 2009; 811 citations). Meckel's diverticulum occurs in 2-4/1000 live births as a common anatomic variant linked to complications. Over 10 key papers from 2001-2022 quantify vaccine associations and diagnostic advances, including Murphy et al. (2001; 976 citations) on rotavirus vaccine risks.
Why It Matters
Population surveillance tracks rotavirus vaccine safety post-licensure, as shown in Murphy et al. (2001) linking RRV-TV to intussusception (976 citations). Incidence data from registries guide public health responses to outbreaks and inform surgical guidelines (Jiang et al., 2013; 276 citations). Risk factor analyses, including viral triggers, support safer vaccine development and early intervention strategies.
Key Research Challenges
Vaccine Safety Attribution
Distinguishing causal vaccine links from background intussusception rates requires large registry data (Murphy et al., 2001; 976 citations). Temporal clustering post-vaccination complicates attribution without controls. Post-licensure surveillance gaps persist (Jiang et al., 2013; 276 citations).
Adult Case Rarity
Adult intussusception rarity (44 cases over 17 years) hinders population estimates (Honjo et al., 2014; 259 citations). Pathologic leads like tumors demand advanced imaging (Marinis et al., 2009; 811 citations). Preoperative diagnosis remains challenging.
Meckel's Diverticulum Detection
Asymptomatic prevalence (2-4/1000) limits epidemiologic studies to symptomatic cohorts. Capsule endoscopy aids small-bowel visualization but misses population rates (Mylonaki et al., 2003; 476 citations). Complication risks need better registries.
Essential Papers
Intussusception among Infants Given an Oral Rotavirus Vaccine
Trudy V. Murphy, Paul Gargiullo, Mehran S. Massoudi et al. · 2001 · New England Journal of Medicine · 976 citations
The strong association between vaccination with RRV-TV and intussusception among otherwise healthy infants supports the existence of a causal relation. Rotavirus vaccines with an improved safety pr...
Small-bowel capsule endoscopy and device-assisted enteroscopy for diagnosis and treatment of small-bowel disorders: European Society of Gastrointestinal Endoscopy (ESGE) Clinical Guideline
Marco Pennazio, Cristiano Spada, Rami Eliakim et al. · 2015 · Endoscopy · 875 citations
1: ESGE recommends performing diagnostic DAE as a day-case procedure in patients without significant underlying co-morbidities; in patients with co-morbidities and/or those undergoing a therapeutic...
Intussusception of the bowel in adults: A review
Athanasios Marinis, Anneza Yiallourou, Lazaros Samanides et al. · 2009 · World Journal of Gastroenterology · 811 citations
Intussusception of the bowel is defined as the telescoping of a proximal segment of the gastrointestinal tract within the lumen of the adjacent segment. This condition is frequent in children and p...
Intestinal Intussusception: Etiology, Diagnosis, and Treatment
Priscilla Marsicovetere, Srinivas Joga Ivatury, Brent C. White et al. · 2016 · Clinics in Colon and Rectal Surgery · 599 citations
Intussusception is defined as the invagination of one segment of the bowel into an immediately adjacent segment of the bowel. Idiopathic ileocolic intussusception is the most common form in childre...
Wireless capsule endoscopy: a comparison with push enteroscopy in patients with gastroscopy and colonoscopy negative gastrointestinal bleeding
Maria Mylonaki, A Fritscher-Ravens, P Swain · 2003 · Gut · 476 citations
Background: The development of wireless capsule endoscopy allows painless imaging of the small intestine. Its clinical use is not yet defined. The aim of this study was to compare the clinical effi...
Childhood Intussusception: A Literature Review
James Jiang, Baoming Jiang, Umesh D. Parashar et al. · 2013 · PLoS ONE · 276 citations
This review of the intussusception literature from the past decade provides pertinent information that should facilitate implementation of intussusception surveillance for monitoring the postlicens...
Small-bowel capsule endoscopy and device-assisted enteroscopy for diagnosis and treatment of small-bowel disorders: European Society of Gastrointestinal Endoscopy (ESGE) Guideline – Update 2022
Marco Pennazio, Emanuele Rondonotti, Edward J. Despott et al. · 2022 · Endoscopy · 272 citations
Main Recommendations MR1 ESGE recommends small-bowel capsule endoscopy as the first-line examination, before consideration of other endoscopic and radiological diagnostic tests for suspected small-...
Reading Guide
Foundational Papers
Start with Murphy et al. (2001; 976 citations) for vaccine epidemiology baseline, then Marinis et al. (2009; 811 citations) for adult intussusception patterns, and Mylonaki et al. (2003; 476 citations) for small-bowel detection methods.
Recent Advances
Study Pennazio et al. (2022; 272 citations) for updated capsule endoscopy guidelines and Honjo et al. (2014; 259 citations) for adult retrospective data.
Core Methods
Registry surveillance (VAERS), capsule endoscopy (Pennazio et al., 2015; 875 citations), and cohort incidence analyses (Murphy et al., 2001).
How PapersFlow Helps You Research Epidemiology of Intussusception and Meckel's Diverticulum
Discover & Search
Research Agent uses searchPapers and citationGraph on Murphy et al. (2001; 976 citations) to map rotavirus vaccine-intussusception links, revealing 50+ surveillance papers. exaSearch uncovers VAERS registry studies; findSimilarPapers extends to Meckel's epidemiology.
Analyze & Verify
Analysis Agent applies readPaperContent to extract incidence rates from Jiang et al. (2013), then verifyResponse with CoVe checks vaccine causality claims. runPythonAnalysis computes meta-analysis of rates (NumPy/pandas) across 10 papers; GRADE grades evidence for rotavirus risks as high.
Synthesize & Write
Synthesis Agent detects gaps in adult vs. pediatric epidemiology; Writing Agent uses latexEditText for incidence tables, latexSyncCitations for 20-paper bibliography, and latexCompile for surgical guideline drafts. exportMermaid visualizes age-pattern flows.
Use Cases
"Extract incidence rates from intussusception papers and plot by age group."
Research Agent → searchPapers('intussusception epidemiology') → Analysis Agent → readPaperContent (Jiang et al., 2013) + runPythonAnalysis (pandas plot of rates by age) → matplotlib incidence graph.
"Draft LaTeX review on rotavirus vaccine risks for intussusception."
Synthesis Agent → gap detection (vaccine surveillance gaps) → Writing Agent → latexEditText (intro/methods) → latexSyncCitations (Murphy et al., 2001) → latexCompile → PDF with figures.
"Find code for analyzing VAERS intussusception data."
Research Agent → paperExtractUrls (Jiang et al., 2013) → paperFindGithubRepo → githubRepoInspect → runPythonAnalysis (sandboxed VAERS stats script) → incidence trends CSV.
Automated Workflows
Deep Research workflow scans 50+ papers via citationGraph from Murphy et al. (2001), producing structured epidemiology report with GRADE scores. DeepScan verifies vaccine claims across Marinis et al. (2009) and Honjo et al. (2014) in 7-step chain with CoVe checkpoints. Theorizer generates hypotheses on Meckel's-intussusception links from capsule endoscopy papers.
Frequently Asked Questions
What defines the epidemiology of intussusception?
Population studies quantify infant incidence (1-4/1000/year), idiopathic pediatric cases, and adult pathologic forms using registries (Jiang et al., 2013; 276 citations).
What methods track vaccine-intussusception links?
VAERS registries and cohort studies attribute risks post-RRV-TV vaccination (Murphy et al., 2001; 976 citations); surveillance monitors post-licensure safety.
What are key papers?
Murphy et al. (2001; 976 citations) links vaccines to intussusception; Marinis et al. (2009; 811 citations) reviews adult cases; Jiang et al. (2013; 276 citations) covers childhood surveillance.
What open problems exist?
Meckel's diverticulum population risks lack registries; adult intussusception rarity limits incidence estimates; vaccine causality needs refined controls (Honjo et al., 2014; 259 citations).
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