Measurement of blood flow in the rotator cuff using laser Doppler flowmetry.

@article{Levy2008MeasurementOB,
  title={Measurement of blood flow in the rotator cuff using laser Doppler flowmetry.},
  author={Ofer Levy and Jai Relwani and Tarique Zaman and Tirtza Even and Balachandran Venkateswaran and Stephen A. Copeland},
  journal={The Journal of bone and joint surgery. British volume},
  year={2008},
  volume={90 7},
  pages={
          893-8
        }
}
The aim of this study was to define the microcirculation of the normal rotator cuff during arthroscopic surgery and investigate whether it is altered in diseased cuff tissue. Blood flow was measured intra-operatively by laser Doppler flowmetry. We investigated six different zones of each rotator cuff during the arthroscopic examination of 56 consecutive patients undergoing investigation for impingement, cuff tears or instability; there were 336 measurements overall. The mean laser Doppler… 
Microvascular blood flow in normal and pathologic rotator cuffs.
In Vivo Visualization of Vascular Patterns of Rotator Cuff Tears Using Contrast-Enhanced Ultrasound
TLDR
The findings of this investigation were the hypovascular pattern in intratendinous tissue compared with the subacromial bursa, the age-related decrease in intr atendinous vascularity, and theHypovascular patterns inside or around the torn ends of a rotator cuff will assist in the development of successful treatments for torn rotator cuffs.
Intraoperative evaluation of blood flow for soft tissues in orthopaedic surgery using indocyanine green fluorescence angiography
TLDR
Whether ICG fluorescence angiography can be used to evaluate the blood flow of the rotator cuff tendon in the clinical setting and whether it has utility for evaluating blood flow during surgery is determined.
Management of rotator cuff pathology
TLDR
The normal ultrasound dimensions of the rotator cuff in asymptomatic young adults under the age of forty years are presented, showing that the measurements are significantly different between men and women but not between dominant and non-dominant arms, suggesting that in every individual the contralateral shoulder can be used as a control, especially where the diagnosis is uncertain.
In vivo blood flow after rotator cuff reconstruction in a sheep model: comparison of single versus double row
TLDR
Findings indicate that tendon blood flow should not be a factor to determine the use of either repair technique over the other, and that suture anchor repair leads to an intraoperative decrease in tendonBlood flow regardless of the repair technique.
The effects of rotator cuff tear on shoulder proprioception
TLDR
RCT provokes an alteration of shoulder proprioception, evaluated as the loss of joint position sense, and the impairment is related to tear severity.
Vascularity and tendon pathology in the rotator cuff: a review of literature and implications for rehabilitation and surgery
Objective To compile histological and imaging research detailing the microvascularity of the rotator cuff and determine the clinical application of these findings for clinicians. Methods A…
Correlation between Rotator Cuff Tears and Systemic Atherosclerotic Disease
TLDR
Investigation of the association of aortic arch calcification with rotator cuff tendinosis and tears found no significant correlation between aorta calcification severity and tendon tear grading, suggesting that tendon ischemia may not be associated with the degree of macrovascular disease.
Magnetic resonance imaging, magnetic resonance arthrography and ultrasonography for assessing rotator cuff tears in people with shoulder pain for whom surgery is being considered.
TLDR
Compared with previous studies, there were no statistically significant differences in sensitivity or specificity between MRI and US for detecting any rotator cuff tears, or for detecting partial thickness tears, and the methodological quality of the studies was judged to be low or unclear.
...
1
2
3
4
5
...

References

SHOWING 1-10 OF 41 REFERENCES
Use of Laser Doppler Flowmetry and Transcutaneous Oxygen Tension Electrodes to Assess Local Autonomic Dysfunction in Patients with Frozen Shoulder
TLDR
It is suggested that the LDF together with the TcPO2 may be a useful method of studying the skin microcirculation over the shoulder.
Microcirculation Associated with Degenerative Rotator Cuff Lesions: In Vivo Assessment with Orthogonal Polarization Spectral Imaging During Arthroscopy of the Shoulder
TLDR
Quantitative in vivo analysis of human microcirculation during arthroscopy demonstrated that the functional capillary density at the edge of a degenerative rotator cuff lesion was significantly reduced compared with that in the control tissue.
Patella intraosseous blood flow disturbance during a medial or lateral arthrotomy in total knee arthroplasty: a laser Doppler flowmetry study
TLDR
It was concluded that neither approach is superior regarding the blood flow preservation to the patella and a lateral approach might only have an advantage in knee joints that are likely to need a lateral release in combination with an MA—e.g., a valgus deformity or preoperative patellA maltracking.
Pathology of the torn rotator cuff tendon. Reduction in potential for repair as tear size increases.
TLDR
Tissue from large and massive tears is of such a degenerative nature that it may be a significant cause of re-rupture after surgical repair and could make healing improbable in this group of patients.
Laser doppler flowmetry for bone blood flow measurements: Helium–neon laser light attenuation and depth of perfusion assessment
TLDR
The study showed the limitations of LDF in bone and their correlations to various bone properties and the maximum depth at which the laser Doppler probe can evaluate flow in bone conditions was found to be 2.9 ± 0.2 mm.
Vascular evaluation in laryngeal diseases: comparison between contact endoscopy and laser Doppler flowmetry.
TLDR
Evaluations of morphological and physiological changes of vascularity in laryngeal diseases are important for understanding their pathophysiology, and combining contact endoscopy and laser Doppler flowmetry is useful in such evaluations.
A quantitative histological study of the vascularity of the rotator cuff tendon.
TLDR
A quantitative histological analysis of the vascularity of the tendons of supraspinatus and infrasp inatus concluded that factors other than vascularity are important in the pathogenesis of suPRaspInatus rupture.
Continuous percutaneous measurement by laser-Doppler flowmetry of skeletal muscle microcirculation at varying levels of contraction force determined electromyographically
TLDR
The LDF power spectrum density during low (muscle rest) and high (high-force muscle contraction) perfusion indicated that disturbances were small when measurements were performed during sustained static contraction with as little movement as possible.
The microvascular pattern of the rotator cuff.
TLDR
It is suggested that in the operative repair of such lesions it is necessary to excise the degenerate avascular tendon in order to effect a sound repair.
A study on the vascular supply of the supraspinatus tendon
SummaryThe vascular supply of the rotator cuff in 22 adult shoulders was studied by way of mixture infusion of gelatin and India ink and vascular cast, in combination with Scanning Electronic…
...
1
2
3
4
5
...