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Purpose Of Review: The world's population is aging rapidly, with 40% of patients seen in US gastroenterology (GI) clinics being 60 years or older. Many gastrointestinal problems are more common or unique to the older adult because of progressive damage to the structure and function of the GI tract. Until recently, the epidemiology of disorders of gut-brain interaction (such as irritable bowel syndrome and functional dyspepsia) was not well-characterized.
Recent Findings: Forty percent of persons worldwide have disorders of gut-brain interaction (DGBI), with varying global patterns of incidence in older adults. There are multiple first-line approaches to managing DGBI which can also be combined including pharmacologic (e.g., neuromodulators) and nonpharmacologic approaches including dietary therapies and brain-gut behavioral therapies. However, there are considerations clinicians must account for when offering each approach related to unique biopsychosocial factors in the older adult population. In this review, we aim to critically review recent literature on the pathophysiology, epidemiology, and special considerations for diagnosing and managing DGBI in the older adult population.
Summary: There have been many advances in the management of DGBI over the past decades. Given the increase in the number of older adults in the USA and worldwide, there is an urgent need for evidence-based guidance to help providers guide comprehensive care for specifically our aging patient population with respect to DGBI.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9652122 | PMC |
http://dx.doi.org/10.1007/s11938-022-00403-z | DOI Listing |
Background Uninvestigated dyspepsia (UD) and chronic constipation (CC) are common disorders of gut-brain interaction (DGBI). However, limited research has assessed their risk factors in young adults, particularly the influence of family history. This study investigated the associated factors for UD and CC, focusing on family history among Japanese university students.
View Article and Find Full Text PDFFront Microbiol
August 2025
State Key Laboratory of Microbial Diversity and Innovative Utilization, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.
Autism spectrum disorders (ASD), a group of neurodevelopmental disorders characterized by the core symptoms of impaired social communication and stereotyped behaviors, is strongly associated with dysregulated microbiota-gut-brain axis. Emerging evidence suggests that , which showed reduced abundance in ASD cohorts, holds therapeutic potential, though its interaction with host remain unexplored. Here, we investigated the efficacy and molecular basis of 4P-15 (4P-15) in BTBR /J (BTBR) mice, an idiopathic ASD mouse model.
View Article and Find Full Text PDFCureus
August 2025
Medical Education, Western Atlantic University School of Medicine, Freeport, BHS.
Mild cognitive impairment progresses slowly and may be reversible, providing a window of opportunity for intervention before it progresses to Alzheimer's disease, at which point treatments, at best, ameliorate symptoms with little efficacy towards delaying disease progression. The gut and brain communicate through the gut-brain axis, and derangement of the gut microbiome has been shown to promote neuroinflammation, a process intricately linked to pathological progression to mild cognitive impairment and subsequent neurocognitive diseases. In preclinical trials, probiotics modulated the gut microbiome in a way that was neuroprotective.
View Article and Find Full Text PDFAging is associated with cognitive decline, impaired spatial learning, and diminished brain function, significantly impacting quality of life (QoL). Emerging evidence suggests that lifestyle interventions, like omega-3 fatty acids (FAs) intake and regular exercise, can mitigate these age-related deficits by targeting key molecular pathways implicated in oxidative damage, inflammation, and reduced fibrinolytic activity. By doing so, omega-3 FAs, principally eicosapentaenoic acid and docosahexaenoic acid, influence signaling pathways that enhance synaptic plasticity, prevent apoptosis, and promote neurogenesis.
View Article and Find Full Text PDFAgeing Res Rev
September 2025
Institute for Cerebrovascular and Neuroregeneration Research (ICNR), Department of Neurology, LSU Health Shreveport, 1501 Kings Hwy, Shreveport, LA 71103, USA. Electronic address:
Perioperative neurocognitive disorders (PNDs) are common complications following surgery, especially in elderly patients, and are characterized by memory loss, attention deficits, and impaired executive function. The pathogenesis of PNDs involves a complex interplay of neuroinflammation, neurotransmitter imbalance, epigenetic modifications, and gut-brain axis disruption. This review summarizes the latest findings on the mechanisms underlying PNDs, with a focus on microglial activation, interleukin imbalance, and NLRP3 inflammasome-mediated pyroptosis.
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