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Related Concept Videos

Urinary Tract Infection II: Pathophysiology01:25

Urinary Tract Infection II: Pathophysiology

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The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
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Urinary Tract Infection I: Introduction01:26

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Urinary tract infections (UTIs) impact various parts of the urinary system, including the kidneys, ureters, bladder, and urethra. These infections are generally bacterial, with Escherichia coli being the most common causative agent, often originating from the gastrointestinal tract. However, other bacteria, such as Staphylococcus saprophyticus, Klebsiella pneumoniae, and Proteus mirabilis, are also known to cause UTIs. The type, location, and underlying complexity of the UTI guide both...
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Nerve Supply of the GI Tract01:27

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The neuronal supply to the gastrointestinal (GI) tract is essential for regulating various functions, including digestion, absorption, and movement of food. This intricate network of nerves is known as the enteric nervous system (ENS), often referred to as the "second brain" of the body.
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Histology of the Gastrointestinal (GI) Tract01:20

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The GI tract, from beginning to end, is made up of four continuous tissue layers that adjust their structure according to their specific roles. These layers, from innermost to outermost, are known as the mucosa, submucosa, muscularis, and serosa, which are continuous with the mesentery.
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Laxatives are primarily used to alleviate constipation, a common gastrointestinal disorder characterized by infrequent bowel movements and difficulty passing stools. They work by various mechanisms to increase the volume or frequency of bowel movements. The primary modes of action of laxatives include increasing stool bulk, softening the stool, stimulating intestinal motility, and osmotically drawing water into the intestines.
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Anatomy of Respiratory System II: Lower Respiratory Tract01:31

Anatomy of Respiratory System II: Lower Respiratory Tract

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The lower respiratory tract is anatomically composed of several vital structures, including the larynx, trachea, bronchial tree, alveoli, lungs, and pleurae. Each component has a specific function, and all are intricately connected to ensure efficient respiration.
The Larynx
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Laparoscopic Common Bile Duct Exploration in Patients with a Previous History of Biliary Tract Surgery
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Controversies in biliary tract surgery.

J Pickleman

    Canadian Journal of Surgery. Journal Canadien De Chirurgie
    |November 1, 1986
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    Summary
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    This review clarifies surgical management controversies for gallstone disease, including acute cholecystitis, diabetic patients, asymptomatic gallstones, and pancreatitis, offering updated insights for clinicians.

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    Area of Science:

    • Gastroenterology and Hepatobiliary Surgery
    • Surgical Management of Gallbladder Disease

    Background:

    • Significant controversies persist regarding the surgical management of calculous gallbladder disease.
    • Recent surgical literature and alternative medical treatments add complexity to clinical decision-making.
    • Existing confusion necessitates a clear update on controversial aspects of gallbladder disease treatment.

    Purpose of the Study:

    • To review current data and provide an update on seven controversial areas in the surgical management of gallbladder disease.
    • To address specific challenges including timing of surgery for acute cholecystitis, management of diabetic patients, and asymptomatic gallstones.

    Main Methods:

    • Literature review of current data on controversial topics in surgical management of gallbladder disease.
    • Synthesis of evidence and expert opinion on seven key areas of surgical decision-making.

    Main Results:

    • Discussion of optimal timing for surgery in acute cholecystitis.
    • Evaluation of management strategies for diabetic patients with gallstones.
    • Analysis of treatment options for asymptomatic gallstones and medical gallstone treatments.
    • Review of operative cholangiography use and indications.
    • Guidance on managing gallstone pancreatitis and acalculous cholecystopathy.

    Conclusions:

    • The review provides a comprehensive update on contentious issues in surgical gallbladder disease management.
    • Evidence-based recommendations are offered to reduce confusion and guide clinical practice.
    • Informed decision-making is crucial for optimizing patient outcomes in calculous gallbladder disease.