Reexamining the Literature on Terminal Ulcers, SCALE, Skin Failure, and Unavoidable Pressure Injuries

Elizabeth A Ayello1, Jeffrey M Levine, Diane Langemo

  • 1Elizabeth A. Ayello, PhD, RN, CWON, ETN, MAPWCA, FAAN • Faculty • Excelsior College School of Nursing • Albany, New York • President • Ayello Harris & Associates, Inc • Copake, New York • President • World Council of Enterostomal Therapists • Co-Editor-in-Chief • Advances in Skin & Wound Care • Philadelphia, Pennsylvania Jeffrey M. Levine, MD, AGSF, CMD • Associate Clinical Professor of Geriatrics and Palliative Care • Icahn School of Medicine at Mount Sinai • New York, New York Diane Langemo, PhD, RN, FAAN • President • Langemo & Associates • Professor Emeritus and Adjunct Professor • University of North Dakota College of Nursing • Grand Forks, North Dakota Karen Lou Kennedy-Evans, RN, FNP, APRN-BC • Wound Consultant • Foothills Rehabilitation Center • Tucson, Arizona Mary R. Brennan, MBA, RN, CWON • Assistant Director for Wound and Ostomy Care • North Shore University Hospital • Manhasset, New York R. Gary Sibbald, MD, DSc (Hons), MEd, FRCPC (Med Derm), ABIM, FAAD, MAPWCA • Professor • Medicine and Public Health • University of Toronto • Toronto, Ontario, Canada • Director • International Interprofessional Wound Care Course and Masters of Science in Community Health (Prevention and Wound Care) • Dalla Lana School of Public Health • University of Toronto • Project Lead • ECHO Ontario, Wound & Skin Care • Previous President • World Union of Wound Healing Societies • co-Editor-in-Chief • Advances in Skin and Wound Care • Philadelphia, Pennsylvania.

Related Concept Videos

Pathophysiology of Peptic Ulcer Disease: Injurious Factors01:22

Pathophysiology of Peptic Ulcer Disease: Injurious Factors

Peptic ulcers are sores on the stomach's inner lining and the upper small intestine, which are the result of disruptions in the mucosal layer that houses parietal cells which produce gastric acid, and chief cells which secrete pepsinogen.
In the antrum region, G cells secrete the gastrin hormone that binds to gastrin-cholecystokinin-B (CCK2) receptors on parietal and enterochromaffin-like (ECL) cells in the fundic glands. Simultaneously, the vagus nerve releases acetylcholine, which binds...
1.2K
Termination of Translation01:44

Termination of Translation

The large ribosomal subunit has several important structures essential to translation. These include the peptidyl transferase center (PTC) - which is the site where the peptide bond is formed - and a large, internal, water-filled tube through which the nascent polypeptide moves. This latter structure is called the Peptide Exit Tunnel, and it begins at the PTC and spans the body of the large ribosomal subunit. During translation, as the nascent polypeptide chain is synthesized, it passes through...
27.7K
Termination of Translation01:44

Termination of Translation

6.8K
pH Scale02:41

pH Scale

Hydronium and hydroxide ions are present both in pure water and in all aqueous solutions, and their concentrations are inversely proportional as determined by the ion product of water (Kw). The concentrations of these ions in a solution are often critical determinants of the solution’s properties and the chemical behaviors of its other solutes. Two different solutions can differ in their hydronium or hydroxide ion concentrations by a million, billion, or even trillion times. A common means of...
79.5K
Peptic Ulcer Disease II: Pathophysiology01:28

Peptic Ulcer Disease II: Pathophysiology

Peptic Ulcer Disease (PUD) is characterized by the development of ulcers in the stomach or duodenal mucosa. Its pathophysiology is complex, involving a balance between damaging and protective elements.
Damaging agents such as Helicobacter pylori, gastric acid, pepsin, and nonsteroidal anti-inflammatory drugs (NSAIDs) can weaken the mucosal defense, allowing hydrogen ions to infiltrate back and harm epithelial cells.
2.0K
Scaling01:26

Scaling

In designing and analyzing filters, resonant circuits, or circuit analysis at large, working with standard element values like 1 ohm, 1 henry, or 1 farad can be convenient before scaling these values to more realistic figures. This approach is widely utilized by not employing realistic element values in numerous examples and problems; it simplifies mastering circuit analysis through convenient component values. The complexity of calculations is thereby reduced, with the understanding that...
593