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Related Concept Videos

Chronic Obstructive Pulmonary Disease II: Emphysema01:23

Chronic Obstructive Pulmonary Disease II: Emphysema

Emphysema, a major phenotype of chronic obstructive pulmonary disease (COPD), is characterized by irreversible destruction of alveolar walls and permanent enlargement of distal airspaces. Unlike chronic bronchitis, which primarily affects the airways, emphysema predominantly involves the lung parenchyma, where structural damage leads to airflow limitation.PathophysiologyIt most commonly results from prolonged exposure to cigarette smoke and other toxic gases, particularly cigarette smoke.
Drugs Affecting GI Tract Motility: Other Laxatives01:20

Drugs Affecting GI Tract Motility: Other Laxatives

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.
Osmotic or saline laxatives, like magnesium hydroxide or milk of...
Drugs Affecting GI Tract Motility: Bulk-Forming and Stimulant Laxatives01:22

Drugs Affecting GI Tract Motility: Bulk-Forming and Stimulant Laxatives

Laxatives enhance bowel movements and alleviate constipation. They augment the stool's bulk, stimulate intestinal muscle contractions, draw water into the intestines, or soften the stool. There are five key types of laxatives: bulk laxatives, stimulant laxatives, osmotic laxatives, stool softeners, and lubricant laxatives.
Bulk-forming laxatives, such as psyllium, methylcellulose, and polycarbophil, absorb water in the intestine, increasing stool bulk and promoting bowel movement. This makes...
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
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Drugs for Treatment of Constipation-Predominant IBS

Pharmacological therapies for IBS-C are designed to alleviate abdominal discomfort and enhance bowel function. In patients with IBS-C, fiber supplements may help soften stools and decrease straining, but may also lead to increased gas production and bloating. Osmotic laxatives like milk of magnesia are frequently used to soften stools and increase stool frequency in IBS-C patients. In addition, two drugs approved for use in severe IBS-C adult cases are linaclotide (Linzess) and lubiprostone...

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Updated: Jul 3, 2026

Acupoint Application Combined with Acupoint Massage for Treating Constipation in a Patient with Chronic Obstructive Pulmonary Disease
03:50

Acupoint Application Combined with Acupoint Massage for Treating Constipation in a Patient with Chronic Obstructive Pulmonary Disease

Published on: August 18, 2023

Cutis laxa and pulmonary emphysema.

S K Chhabra1, R K Gupta, T Singh

  • 1Department of Cardiorespiratory Physiology, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi, India. skchhabra@mailcity.com

The Indian Journal of Chest Diseases & Allied Sciences
|July 10, 2008
PubMed
Summary
This summary is machine-generated.

Cutis laxa, a rare skin disorder from defective elastin, can lead to pulmonary emphysema. This case highlights adult-onset emphysema in a patient with cutis laxa, challenging previous childhood-onset associations.

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Lung Fixation under Constant Pressure for Evaluation of Emphysema in Mice
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Lung Fixation under Constant Pressure for Evaluation of Emphysema in Mice

Published on: September 26, 2019

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Last Updated: Jul 3, 2026

Acupoint Application Combined with Acupoint Massage for Treating Constipation in a Patient with Chronic Obstructive Pulmonary Disease
03:50

Acupoint Application Combined with Acupoint Massage for Treating Constipation in a Patient with Chronic Obstructive Pulmonary Disease

Published on: August 18, 2023

Lung Fixation under Constant Pressure for Evaluation of Emphysema in Mice
05:48

Lung Fixation under Constant Pressure for Evaluation of Emphysema in Mice

Published on: September 26, 2019

Area of Science:

  • Dermatology
  • Pulmonology
  • Genetics

Background:

  • Cutis laxa is a rare connective tissue disorder characterized by defective elastin synthesis, leading to loose, sagging skin.
  • Pulmonary emphysema, a severe lung condition, has been previously associated with cutis laxa, typically manifesting in childhood.

Observation:

  • This report details a unique case of a 38-year-old female patient diagnosed with cutis laxa.
  • The patient presented with symptomatic pulmonary emphysema, a finding not previously observed in adulthood in conjunction with this condition.

Findings:

  • The case demonstrates that symptomatic pulmonary emphysema can develop in adulthood in individuals with cutis laxa.
  • This challenges the established understanding that pulmonary complications of cutis laxa exclusively occur during childhood.

Implications:

  • The findings suggest a need to reconsider the typical age of onset for pulmonary emphysema in patients with cutis laxa.
  • Further research into the genetic and molecular mechanisms underlying elastin synthesis defects is warranted to understand varied clinical presentations.
  • This case underscores the importance of long-term pulmonary monitoring for adult patients with cutis laxa.