Related Experiment Video

Updated: Aug 10, 2026

Reverse Total Shoulder Arthroplasty
10:10

Reverse Total Shoulder Arthroplasty

Published on: July 5, 2011

43.2K

Suture Contamination During Arthroscopic Rotator Cuff Repair Is Associated With Significantly Higher Retear Rates in

Chih-Kai Hong1, Kai-Lan Hsu2, Fa-Chuan Kuan2

  • 1Department of Orthopaedic Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Orthopaedic Surgery, National Cheng Kung University Hospital, Dou-Liou Branch, Yunlin, Taiwan.

Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association
|February 23, 2024
PubMed

Insights

Bacterial contamination on sutures increases the risk of rotator cuff tendon retear after arthroscopic repair. This study found a significant correlation between positive suture cultures and retear, highlighting the importance of sterile techniques in rotator cuff surgery.

Area of Science:

  • Orthopedic Surgery
  • Microbiology
  • Biomedical Engineering

Background:

  • Rotator cuff tears are common injuries.
  • Arthroscopic rotator cuff repair is a standard surgical procedure.
  • Tendon retear is a significant complication following repair.

Purpose of the Study:

  • To investigate the association between suture contamination and rotator cuff tendon retear.
  • To evaluate the impact of bacterial presence on surgical repair outcomes.
  • To identify potential risk factors for retear after arthroscopic rotator cuff repair.

Main Methods:

  • Retrospective cohort study of 141 patients undergoing arthroscopic rotator cuff repair.
  • Suture samples underwent bacterial culture and PCR analysis.
  • Propensity score matching was used to compare culture-positive and culture-negative groups.
  • Rotator cuff retear was assessed at 6 months using MRI (Sugaya classification).

Main Results:

  • Twenty-six patients (18.4%) had positive suture cultures.
  • The retear rate was significantly higher in the culture-positive group compared to the culture-negative group (P = .020).
  • Cutibacterium acnes was the most frequently identified bacterial species.

Conclusions:

  • Bacterial contamination of sutures is associated with an increased risk of rotator cuff tendon retear.
  • Maintaining sterile environments during arthroscopic rotator cuff repair is crucial.
  • Further research into preventative measures against suture contamination is warranted.
Abstract

More Related Videos

Protocol for the Evaluation of MRI Artifacts Caused by Metal Implants to Assess the Suitability of Implants and the Vulnerability of Pulse Sequences08:19

Protocol for the Evaluation of MRI Artifacts Caused by Metal Implants to Assess the Suitability of Implants and the Vulnerability of Pulse Sequences

Published on: May 17, 2018

9.8K

Related Concept Videos

¹H NMR: Interpreting Distorted and Overlapping Signals01:02

¹H NMR: Interpreting Distorted and Overlapping Signals

Spin systems where the difference in chemical shifts of the coupled nuclei is greater than ten times J are called first-order spin systems. These nuclei are weakly coupled, and their chemical shifts and coupling constant can generally be estimated from the well-separated signals in the spectrum.
As Δν decreases and the signals move closer, the doublets appear increasingly distorted. The intensities of the inner lines increase at the cost of those of the outer lines as the signals are slanted or...
NMR Spectrometers: Resolution and Error Correction01:14

NMR Spectrometers: Resolution and Error Correction

When magnetic nuclei in a sample achieve resonance and undergo relaxation, the signal detected in NMR is an approximately exponential free induction decay. Fourier transform of an exponential decay yields a Lorentzian peak in the frequency domain. Lorentzian peaks in an NMR spectrum are defined by their amplitude, full width at half maximum, and position, where the peak width is governed by the spin-spin relaxation time alone. In real experiments, however, the applied magnetic field is rendered...
NMR Spectroscopy: Spin–Spin Coupling01:08

NMR Spectroscopy: Spin–Spin Coupling

The spin state of an NMR-active nucleus can have a slight effect on its immediate electronic environment. This effect propagates through the intervening bonds and affects the electronic environments of NMR-active nuclei up to three bonds away; occasionally, even farther. This phenomenon is called spin–spin coupling or J-coupling. Coupling interactions are mutual and result in small changes in the absorption frequencies of both nuclei involved. While nuclei of the same element are involved in...
¹H NMR Signal Multiplicity: Splitting Patterns01:13

¹H NMR Signal Multiplicity: Splitting Patterns

When protons A and X are coupled, their nuclear spin energy levels are slightly modified. This is because the energy required to excite proton A to a spin state parallel to proton X is slightly different from the energy required for it to become anti-parallel to spin X. Consequently, there are two possible excitation frequencies for A (A1 and A2), depending on the spin state of X, and vice versa. The mutual nature of coupling implies that the difference between frequencies A1 and A2, indicated...
Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
Double Resonance Techniques: Overview01:12

Double Resonance Techniques: Overview

Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...