剪切应力和剪切应力的作用在压力损伤发展中的作用
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Updated: Jul 8, 2025

Introducing Shear Stress in the Study of Bacterial Adhesion
Published on: September 2, 2011
Caroline Portoghese1, Michelle Deppisch, Sharon Sonenblum
1Caroline Portoghese, OTR/L, ATP/SMS, is Assistive Technology Professional and Rehabilitation Consultant, Handi Medical, Saint Paul, Minnesota. Michelle Deppisch, PT, CWS, is Wound Care Consultant, Michele Deppisch PT, CWS, LLC, Hertford, North Carolina. Sharon Sonenblum, PhD, is Principal Research Scientist, George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia. Barbara Samson, OTR/L, MBA, CWS, CSPHC, is Executive Clinical Specialist, Mölnlycke Health Care, Peachtree Corners, Georgia. Cassendra Munro, PhD, RN, RNFA, CNOR, Nurse Scientist, Stanford Health Care, Office of Research, Patient Care Services, Menlo Park, California. Virginia Capasso, PhD, ANP-BC, ACNS-BC, CWS, is Advanced Practice Nurse and Nurse Scientist, Massachusetts General Hospital, Boston, Massachusetts, and Instructor in Surgery, Harvard Medical School, Boston. Evan Call, MS, CSM-NRM, is Adjunct Faculty, Weber State University, Ogden, Utah. Joyce Black, PhD, RN, FAAN, is Florence Neidfelt Professor of Nursing, University of Nebraska Medical Center, College of Nursing, Omaha, Nebraska. David Brienza, PhD, is Professor, University of Pittsburgh, Pittsburgh, Pennsylvania. The authors have disclosed no financial relationships related to this article. Submitted March 12, 2023; accepted in revised form July 5, 2023.
增加压力损伤 (PI) 的发生率可以通过理解和管理剪切应力和张力来减少. 准确的评估和有针对性的干预措施是改善患者安全和预防PI的关键.
科学领域:
- 生物医学工程 生物医学工程
- 患者安全研究 患者安全研究
- 临床护理 临床护理
背景情况:
- 压力损伤 (PI) 发生率正在增加,尽管其他患者安全指标有所改善.
- 了解组织损伤的生物力学对于有效的PI预防至关重要.
研究的目的:
- 阐明剪切应力和剪切应变在压力损伤的发展中的作用.
- 为临床医生提供一个框架来评估和管理与剪切相关的PI风险.
- 概述有效的缓解策略,以减少PI发生率.
主要方法:
- 解释生物力学概念:剪切应力,剪切张力,摩擦和组织变形.
- 强调临床评估与活动和流动性相关的患者风险因素.
- 介绍了一套缓解策略的工具箱.
主要成果:
- 剪切力显著导致软组织损伤和PI发展.
- 准确评估与剪切相关的风险因素对于有效的预防至关重要.
- 实施特定的缓解策略可以减少PI的发生率.
结论:
- 对于临床医生来说,全面了解剪切力及其对组织的影响至关重要.
- 有针对性的干预措施,包括支持表面的选择和安全的患者处理,可以减轻PI风险.
- 改进的PI预防护理计划,根据切削力理解,将降低PI发生率,使其与其他患者安全指标保持一致.
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