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Related Concept Videos

Peripheral Artery Disease V: Postoperative Nursing Management01:23

Peripheral Artery Disease V: Postoperative Nursing Management

During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
Local Anesthetics: Differential Sensitivity of Nerve Fibers01:24

Local Anesthetics: Differential Sensitivity of Nerve Fibers

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Related Experiment Video

Updated: May 15, 2026

Assessment of Knee Hyperalgesia in Mice using Pressure Application Measurement
04:22

Assessment of Knee Hyperalgesia in Mice using Pressure Application Measurement

Published on: June 13, 2025

[Dermal hypoesthesia after total knee arthroplasty].

Heng Liu1, Li-cheng Wen, Yong-ping Cao

  • 1Department of Orthopeadics, Peking University First Hospital, Beijing, China.

Beijing Da Xue Xue Bao. Yi Xue Ban = Journal of Peking University. Health Sciences
|December 19, 2012
PubMed
Summary
This summary is machine-generated.

Most total knee arthroplasty patients experience reduced skin sensation, but the numbness area typically shrinks over time, stabilizing around two years post-surgery. Factors like age or incision length do not significantly impact numbness size.

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An Experimental Paradigm for the Prediction of Post-Operative Pain (PPOP)
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An Experimental Paradigm for the Prediction of Post-Operative Pain (PPOP)

Published on: January 27, 2010

Area of Science:

  • Orthopedic Surgery
  • Surgical Outcomes
  • Neurosensory Deficits

Context:

  • Total knee arthroplasty (TKA) is a common procedure for end-stage knee osteoarthritis.
  • Postoperative sensory changes, such as numbness, can affect patient quality of life.
  • Understanding the incidence and natural history of these sensory changes is crucial for patient counseling and management.

Purpose:

  • To investigate the incidence and long-term progression of skin sensory loss following TKA.
  • To determine the relationship between the area of numbness and factors including incision length, tourniquet duration, patient age, and gender.

Summary:

  • A study of 135 TKAs found that 84.44% of patients experienced reduced skin sensation.
  • Numbness area significantly decreased over time, with substantial reduction observed by two years post-surgery and stabilization thereafter.
  • No significant correlation was found between numbness area and patient gender, age, scar length, or tourniquet time.

Impact:

  • Provides valuable insights into the natural course of sensory disturbances after TKA.
  • Helps manage patient expectations regarding postoperative numbness.
  • Informs surgical technique and patient selection by clarifying factors that do not influence sensory outcomes.