scholarly journals Biopsychosocial Aspects in Individuals with Acute and Chronic Rotator Cuff Related Shoulder Pain: Classification Based on a Decision Tree Analysis

Diagnostics ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. 928
Author(s):  
Melina N Haik ◽  
Francisco Alburquerque-Sendín ◽  
Ricardo A S Fernandes ◽  
Danilo H Kamonseki ◽  
Lucas A Almeida ◽  
...  
Keyword(s):  
Rotator Cuff ◽  
Decision Tree ◽  
Shoulder Pain ◽  
Clinical Condition ◽  
Pain Modulation ◽  
Biological Data ◽  
Sensory Function ◽  
Endogenous Pain Modulation ◽  
Low Efficiency ◽  
Complex Relationships

Biopsychosocial aspects seem to influence the clinical condition of rotator cuff related shoulder pain (RCRSP). However, traditional bivariate and linear analyses may not be sufficiently robust to capture the complex relationships among these aspects. This study determined which biopsychosocial aspects would better classify individuals with acute and chronic RCRSP and described how these aspects interact to create biopsychosocial phenotypes in individuals with acute and chronic RCRSP. Individuals with acute (<six months of pain, n = 15) and chronic (≥six months of pain, n = 38) RCRSP were included. Sociodemographic data, biological data related to general clinical health status, to shoulder clinical condition and to sensory function, and psychosocial data were collected. Outcomes were compared between groups and a decision tree was used to classify the individuals with acute and chronic RCRSP into different phenotypes hierarchically organized in nodes. Only conditioned pain modulation was different between the groups. However, the tree combined six biopsychosocial aspects to identify seven distinct phenotypes in individuals with RCRSP: three phenotypes of individuals with acute, and four with chronic RCRSP. While the majority of the individuals with chronic RCRSP have no other previous painful complaint besides the shoulder pain and low efficiency of endogenous pain modulation with no signs of biomechanical related pain, individuals with acute RCRSP are more likely to have preserved endogenous pain modulation and unilateral pain with signs of kinesiophobia.

scholarly journals Ultrasonographic Evaluation of the Shoulders and Its Associations with Shoulder Pain, Age, and Swim Training in Masters Swimmers

Medicina ◽  
2020 ◽  
Vol 57 (1) ◽  
pp. 29
Author(s):  
Yuta Suzuki ◽  
Noriaki Maeda ◽  
Junpei Sasadai ◽  
Kazuki Kaneda ◽  
Taizan Shirakawa ◽  
...  
Keyword(s):  
Rotator Cuff ◽  
Shoulder Pain ◽  
Structural Changes ◽  
Partial Tear ◽  
Increased Risk ◽  
High Prevalence ◽  
History Of ◽  
Long Head ◽  
Competitive Swimmers ◽  
Rotator Cuff Tendinopathy

Background and objectives: The long head of the biceps (LHB) and rotator cuff tendinopathy is the major cause of shoulder pain in competitive swimmers. The risk of tendinopathy increases with aging; however, the structural changes of LHB and rotator cuff in populations of masters swimmers have not been well examined. The purpose of this study was to investigate the prevalence of ultrasonographic abnormalities of the shoulders in masters swimmers, and the association of pain, age, and swim training with structural changes in this population. Materials and Methods: A total of 60 subjects participated in this study, with 20 masters swimmers with shoulder pain, 20 asymptomatic masters swimmers, and 20 sex- and age-matched controls. All swimmers completed a self-reported questionnaire for shoulder pain, their history of competition, and training volume. Each subject underwent ultrasonographic examination of both shoulders for pathologic findings in the LHB tendon, rotator cuff (supraspinatus (SSP) and subscapularis (SSC)) tendons, and subacromial bursa (SAB) of both shoulders and had thickness measured. Results: The prevalence of tendinosis (LHB, 48.8%; SSP, 17.5%; SSC, 15.9%), partial tear (SSP, 35.0%), and calcification (SSC, 10.0%) were higher in swimmers than in controls. LHB and SSP tendinosis were associated with shoulder pain. Older age and later start of competition were associated with an increased risk of LHB tendinosis and SSC calcification. Earlier initiation of swimming and longer history of competition were associated with an increased risk of SSP and SSC tendinosis. The thicker SSP tendon significantly increased the risk of tendinosis and partial tear. Conclusions: A high prevalence of structural changes in the rotator cuff and biceps tendons in masters swimmers reflects the effect of shoulder symptoms, aging, and swim training.

scholarly journals Training volume is associated with pain sensitivity, but not with endogenous pain modulation, in competitive swimmers

2019 ◽  
Vol 37 ◽  
pp. 150-156 ◽  
Author(s):  
Kevin Kuppens ◽  
Stef Feijen ◽  
Nathalie Roussel ◽  
Jo Nijs ◽  
Patrick Cras ◽  
...  
Keyword(s):  
Pain Sensitivity ◽  
Pain Modulation ◽  
Training Volume ◽  
Endogenous Pain Modulation ◽  
Competitive Swimmers

Association Between Polymorphisms in Serotonin and Dopamine-Related Genes and Endogenous Pain Modulation

2011 ◽  
Vol 12 (8) ◽  
pp. 875-883 ◽  
Author(s):  
Roi Treister ◽  
Dorit Pud ◽  
Richard P. Ebstein ◽  
Efrat Laiba ◽  
Yael Raz ◽  
...  
Keyword(s):  
Pain Modulation ◽  
Endogenous Pain Modulation

Experimental evidence for weaker endogenous inhibition of trigeminal pain than extra-trigeminal pain in healthy individuals

Cephalalgia ◽  
2017 ◽  
Vol 38 (7) ◽  
pp. 1307-1315 ◽  
Author(s):  
Dan Levy ◽  
Lorin Abdian ◽  
Michal Dekel-Steinkeller ◽  
Ruth Defrin
Keyword(s):  
Pain Control ◽  
Pain Modulation ◽  
Primary Headaches ◽  
Healthy Individuals ◽  
Trigeminal Pain ◽  
Pain Syndromes ◽  
Body Regions ◽  
Endogenous Pain Modulation ◽  
High Prevalence ◽  
Pain Inhibition

Background and objectives The prevalence of pain syndromes that affect the territories innervated by the trigeminal nerve, such as headaches, is one of the highest and ranks second only to low back pain. A potential mechanism underlying this high prevalence may be a relatively weak endogenous pain modulation of trigeminal pain. Here, we sought to systematically compare endogenous pain modulation capabilities in the trigeminal region to those of extra-trigeminal regions in healthy subjects. Methods Healthy, pain free subjects (n = 17) underwent a battery of quantitative sensory testing to assess endogenous pain inhibition and pain enhancement efficiencies within and outside the trigeminal innervated region. Measurements included conditioned pain modulation (CPM), temporal summation of pain (TSP) and spatial summation of pain (SSP). Results Testing configurations that included trigeminal-innervated body regions displayed significantly weaker CPM when compared to extra-trigeminal innervated areas. SSP magnitude was smaller in the ophthalmic trigeminal innervation when compared to other body regions. TSP magnitude was not different between the different body regions tested. Conclusions Our findings point to regional differences in endogenous pain inhibition and suggest that in otherwise healthy individuals, the trigeminal innervation is subjected to a weaker inhibitory pain control than other body regions. Such weaker endogenous pain control could play, at least in part, a role in mediating the high prevalence of trigeminal-related pain syndromes, including primary headaches and TMD pain.

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