The latest medical research on Physiotherapy

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Higher odds of meniscectomy compared with meniscus repair in a young patient population with increased neighbourhood disadvantage.

Brit J Sports Med

To investigate the impact of demographic and socioeconomic factors on the management of isolated meniscus tears in young patients and to identify trends in surgical management of meniscus tears based on surgeon volume.

Retrospective cohort study, level III.

The study included 1552 patients treated by 84 orthopaedic surgeons. Older age and higher ADI were associated with higher odds of undergoing meniscectomy. Patients of older age and with non-private insurance were more likely to undergo treatment by a lower-volume knee surgeon. Apart from the year 2022, higher-volume knee surgeons performed significantly higher rates of meniscus repair compared with lower-volume knee surgeons. When controlling for surgeon volume, higher ADI remained a significant predictor of undergoing meniscectomy over meniscus repair.

Significant associations exist between patient factors and surgical choices for isolated meniscus tears in younger patients. Patients of older age and with increased neighbourhood disadvantage were more likely to undergo meniscectomy versus meniscus repair. While higher-volume knee surgeons favoured meniscus repair, a growing trend of meniscus repair rates was observed among lower-volume knee surgeons.

Associations of between- and within-day patterns of physical activity accumulation with arterial stiffness and indices of microvascular health-Evidence from The Maastricht study.

Scandinavian J Med Sci Sports

While physical activity (PA) is understood to promote vascular health, little is known about whether the daily and weekly patterns of PA accumulati...

Urinary Proteomic Biomarkers of Trabecular Bone Volume Change during Army Basic Combat Training.

Medicine and Science in Sports

Optimize a dMS-based urinary proteomic technique and evaluate the relationship between urinary proteome content and adaptive changes in bone microarchitecture during BCT.

Urinary proteomes were analyzed with an optimized dMS technique in two groups of 13 recruits (n = 26) at the beginning (Pre) and end (Post) of BCT. Matched by age (21 ± 4 yr), sex (16 W), and baseline tibial trabecular bone volume fractions (Tb.BV/TV), these groups were distinguished by the most substantial (High) and minimal (Low) improvements in Tb.BV/TV. Differential protein expression was analyzed with mixed permutation ANOVA and false discovery proportion-based adjustment for multiple comparisons.

Tibial Tb.BV/TV increased from pre- to post-BCT in High (3.30 ± 1.64%, p < 0.0001) but not Low (-0.35 ± 1.25%, p = 0.4707). The optimized dMS technique identified 10,431 peptides from 1,368 protein groups that represented 165 integrative biological processes. 74 urinary proteins changed from pre- to post-BCT (p = 0.0019) and neutrophil mediated immunity was the most prominent ontology. Two proteins (Immunoglobulin heavy constant gamma 4 and C-type lectin domain family 4 member G) differed from pre- to post-BCT in High and Low (p = 0.0006).

The dMS technique can identify more than 1000 urinary proteins. At least 74 proteins are responsive to BCT, and other principally immune system-related proteins show differential expression patterns that coincide with adaptive bone formation.

Acute Vigorous Exercise Decreases Subsequent Non-Exercise Physical Activity and Body Temperature Linked to Weight Gain.

Medicine and Science in Sports

Exercise benefits the body and mind, but its weight loss effect is less than generally expected. Although this phenomenon is likely due to an exercise intensity-dependent decrease in non-exercise physical activity (NEPA), resulting in a decrease in non-exercise activity thermogenesis, the underlying mechanisms and effects of exercise intensity remain unknown. Here we show that acute vigorous exercise decreases subsequent NEPA and body temperature (BT) in association with body weight gain.

Adult male C57BL/6 J mice were categorized into three groups: sedentary, moderate exercise, and vigorous exercise, with exercise groups undergoing a 30 min treadmill session. Using an intraperitoneally implanted activity monitor, NEPA and BT were monitored for two days before and three days after exercise. The daily synchrony between NEPA and BT was evaluated using a cross-correlation function. Plasma corticosterone was also detected 6 and 24 h after exercise.

Notably, Only the vigorous exercise group exhibited a decline in both NEPA and BT, resulting in body weight gain the following day, despite no observed changes in food intake. Furthermore, vigorous exercise induces a distinct delay in the daily dynamics of NEPA compared to BT. A positive correlation was observed between plasma corticosterone levels and changes in NEPA levels before and after exercise across all exercise groups.

Our findings provide evidence for vigorous exercise-specific reduction in subsequent NEPA, BT, and their synchrony linked to weight gain, likely due to the disturbed circadian rhythm of corticosterone. This is an initial investigation redefining the significance of exercise intensity in beneficial effects beyond the energy expenditure of the exercise itself.

Temporal Profile of Serum Neurofilament Light (NF-L) and Heavy (pNF-H) Level Associations With 6-Month Cognitive Performance in Patients With Moderate-Severe Traumatic Brain Injury.

Journal of Head Trauma Rehabilitation

Identification of biomarkers of cognitive recovery after traumatic brain injury (TBI) will inform care and improve outcomes. This study assessed the utility of neurofilament (NF-L and pNF-H), a marker of neuronal injury, informing cognitive performance following moderate-to-severe TBI (msTBI).

Serum NF-L (Human Neurology 4-Plex B) pNF-H (SR-X) as measured by SIMOA Quanterix assay. Divided into 3 categorical time points at days post-injury (DPI): 0-15 DPI, 16-90 DPI, and >90 DPI. Cognitive composite comprised executive functioning measures derived from 3 standardized neuropsychological tests (eg, Delis-Kaplan Executive Function System: Verbal Fluency, California Verbal Learning Test, Second Edition, Wechsler Adult Intelligence Scale, Third Edition).

pNF-H at 16-90 DPI was associated with cognitive outcomes including a cognitive-executive composite score at 6 months (β = -.430, t34 = -3.190, P = .003).

Results suggest that "subacute" elevation of serum pNF-H levels may be associated with protracted/poor cognitive recovery from msTBI and may be a target for intervention. Interpretation is limited by small sample size and including only those who were able to complete cognitive testing.

Clinical Trajectories of Comorbidity Associated With Military-Sustained Mild Traumatic Brain Injury: Pre- and Post-Injury.

Journal of Head Trauma Rehabilitation

In the US military, traumatic brain injury (TBI) is of distinct importance, at home and in the deployed setting, and is considered a "signature injury of the wars in Afghanistan and Iraq." Since 2000, an estimated 468 424 service members (SMs) have been diagnosed with at least one TBI. We examined the clinical trajectories of a group of 18 comorbidities before and after a military-sustained mild TBI (mTBI).

Without making assumptions on causality, a group of 18 conditions often co-occurring with mTBI were identified through literature review and TBI subject matter workgroup consensus. Using data from Military Health System Data Repository, we identified SMs whose first lifetime military mTBI occurred between October 1, 2016, and October 30, 2019. Correlation analyses were used to determine the linear relationship between comorbidities prior to and after mTBI diagnosis. Changes in the period prevalence of comorbidities was calculated.

We identified 42 018 SMs with a first lifetime military mTBI, of which 77.6% had at least one comorbidity. Identified SMs were mostly young (46.1% ages 18-24 years), male (81.4%), and White (64.1%). Up to 180 days prior to an mTBI, the most frequently identified conditions were sleep-related conditions (21.7%), headaches (19.4%), posttraumatic stress disorders (PTSDs) (17.8%), anxiety disorders (11.3%), and cervicogenic disorders (eg, cervicalgia) (10.9%). In the period following mTBI diagnosis, the prevalence of diagnosed conditions increased, especially for visual disturbances (327.2%), cognitive conditions (313.9%), vestibular conditions (192.6%), those related to headache (152.2%), and hearing (72.9%). Sleep-related conditions showed moderate positive correlation with a group of co-occurring conditions, led by cognitive conditions (ϕc = 0.50), anxiety disorders (ϕc = 0.42), PTSDs (ϕc =0.43), and headaches and related conditions (ϕc = 0.38).

Results indicate that caring for SMs with mild TBI requires a holistic approach, one that considers the complex nature of SM conditions, prior to sustaining their mTBI, as well as after injury. We found a complex correlation of conditions that suggest SMs with mTBI are undergoing a multifaceted experience, one that may require the development of a targeted multidimensional clinical practice recommendation and practice.

Patient and Caregiver Satisfaction With the Brain Injury Rehabilitation: Improving the Transition Experience (BRITE) Intervention.

Journal of Head Trauma Rehabilitation

To ascertain patient and caregiver satisfaction with an individualized case management intervention to improve transition from inpatient rehabilitation care to the community after traumatic brain injury (TBI).

Satisfaction with intervention was measured through Likert-scaled and open-ended questions. The survey was administered verbally through telephone, audio-recorded, and transcribed. Descriptive statistics were calculated for categorical variables, and content analysis was conducted for open-ended responses.

Patient and caregiver participants were satisfied with the intervention and highlighted the benefits of the interpersonal and practical support provided by the TCM. Participants identified the need for a more intensive intervention and clear expectations of the TCM role, as well as gaps in available medical and rehabilitation services in the community, as areas for improvement.

Patients with TBI and their caregivers reported satisfaction with the individualized case management program in supporting their transition from inpatient rehabilitation to the community. Further research is needed to understand the impact on outcomes.

Sleep Disruption Persists and Relates to Memory Disability After Traumatic Brain Injury: A Cross-Sectional Study of Adults in the Chronic Phase of Injury.

Journal of Head Trauma Rehabilitation

To examine sleep disruption in chronic traumatic brain injury (TBI) across 3 aims: (1) to examine differences in self-reported sleep disruption between adults with and without a chronic history of TBI; (2) to query reported changes in sleep after TBI; and (3) to explore the relationship between self-reported sleep disruption and memory failures in daily life.

We used the Pittsburgh Sleep Quality Index to measure sleep disruption and the Epworth Sleepiness Scale to measure daytime sleepiness. Participants answered questions about postinjury sleep and responded to the Everyday Memory Questionnaire as a measure of memory failures in daily life.

Individuals with TBI had significantly higher rates of sleep disruption than those without TBI, as measured by the Pittsburgh Sleep Quality Index but not on the Epworth Sleepiness Scale. Sleep disruption in TBI manifested more in sleep quality than quantity. Half of the participants with TBI reported a negative change in sleep postinjury. In an exploratory analysis, sleep disruption was related to memory failure in daily life in the TBI sample.

Sleep disruption persists long after TBI but may be under-recognized in people with chronic TBI. Given that sleep is critical for memory and rehabilitation outcomes well into the chronic phase of injury, steps to improve the identification and management of sleep disruption are needed. Key words:chronic, memory, sleep, traumatic brain injury.

Impact of Early Personal Resources on Long-Term Psychosocial Outcomes After Moderate-to-Severe Traumatic Brain Injury: A Systematic Review.

Journal of Head Trauma Rehabilitation

To investigate the relationship between preinjury or early personal resources and long-term psychosocial outcomes following moderate-to-severe traumatic brain injury (TBI) and examine evidence for the stability of personal resources over time.

The review protocol was registered with the International Register of Systematic Reviews (PROSPERO, Registration No. CRD4202341056). A search of PsycINFO, Cumulative Index to Allied Health Literature (CINAHL), MEDLINE, Scopus, and Web of Science was conducted from inception to February 23, 2023, for longitudinal studies involving adults with moderate-to-severe TBI that examined: (1) the relationship between preinjury or early personal resources (measured ≤6 months postinjury) and later psychosocial outcomes or (2) stability of personal resources over time with a minimum reassessment interval of 3 months. Two reviewers independently assessed eligibility and rated methodological quality of studies using a checklist informed by Strengthening the Reporting of Observational Studies in Epidemiology.

A narrative synthesis was conducted on 14 eligible articles summarizing 12 studies (N = 826). Nine studies examined the impact of preinjury or early personal resources on long-term psychosocial outcomes, most typically at 12 months postdischarge. Out of 9 studies 7 indicated that self-reported preinjury or early personal resources, including productive coping, higher self-esteem and resilience, and lower neuroticism, were associated with better psychosocial outcomes. Evidence from 7 studies examining the stability of personal resources over time was generally mixed, with personality changes (eg, neuroticism, conscientiousness, and extraversion) more evident from informant ratings than self-ratings.

Preinjury or early personal resources may influence later psychosocial outcomes after TBI. Further research is needed to investigate the stability of personal resources and factors mediating or moderating change across the adjustment trajectory.

Implementation and Clinical Outcomes of Blood Flow Restriction Training on Adults With Cerebral Palsy: A Case Series.

Journal of Neurologic Physical Therapy

Cerebral palsy (CP) is a congenital neurological disorder that causes musculoskeletal weakness and biomechanical dysfunctions. Strength training guidelines recommend at least 70% of 1-repetition maximum to increase muscle strength and mass. However, individuals with CP may not tolerate such high exercise intensity. Blood flow restriction (BFR) can induce similar gains in strength and muscle mass using loads as low as 20% to 30% 1-repetition maximum. This case series described the safety, feasibility, and acceptability of BFR in adults with CP and examined changes in muscle mass and strength.

Participants replaced 2 exercises from their current regimen with seated knee extension and leg press exercises using progressively higher limb occlusion pressure and exercise intensity. Limb occlusion pressure started at 60%, by week 4 progressed to 80%, and then remained constant. The exercise repetition scheme progressed from fixed nonfailure repetition sets to failure-based repetition sets.

Blood pressure never exceeded safety threshold, and no adverse events were reported. The BFR training was time-consuming and resource-intensive, but well-tolerated by participants (rate of perceived discomfort with a mean value of 5.8, 100% protocol adherence). Strength, as measured by 3-repetition maximum testing and 30-second sit-to-stand test, increased, but isometric muscle force and muscle mass changes were inconsistent.

Blood flow restriction may be an effective means to increase strength in adults with CP who cannot tolerate high-intensity resistance training. Future research should compare BFR to traditional strength training and investigate mediators of strength changes in this population.

for more insights from the authors (see the Video, Supplemental Digital Content available at: http://links.lww.com/JNPT/A473).

Long-Term Follow-Up of a Person-Centered Prehabilitation Program Based on Cognitive-Behavioral Physical Therapy for Patients Scheduled for Lumbar Fusion.

Physical Therapy

Long-term follow-ups of prehabilitation programs for lumbar spine surgery are lacking, and more comprehensive evaluations are needed. In the current study, we evaluated the long-term effects of a prehabilitation program compared with conventional care in relation to lumbar fusion surgery in patients with degenerative disc disease.

Patients (n = 118) receiving lumbar fusion surgery were included in a multicenter randomized controlled trial, involving 1 university hospital and 2 spine clinics. The intervention was a person-centered prehabilitation program based on cognitive-behavioral physical therapy that targeted psychological presurgical risk factors, physical activity, and overall health. The control group received conventional preoperative care. Patient-reported outcome measures (PROMs) included assessments at 8 time-points: Low back disability (primary outcome), back pain intensity, leg pain intensity, pain catastrophizing, fear of movement, anxiety and depressive mood, health-related quality of life, and patient-specific functioning. Physical activity and physical capacity were assessed at 5 time points. Linear mixed models were used to analyze the effects of the intervention.

There were no significant differences between groups at the 12- and 24-month follow-ups for any outcome, except for the One Leg Stand test 1 year following surgery, in favor of the control group. There were significant improvements for both groups, from baseline to the 12- and 24-month follow-ups for all physical capacity test and PROMs, except for leg pain and self-efficacy for exercise.

These findings have implications for the current understanding of the long-term effects of prehabilitation and suggest that future research should focus on programs promoting physical activity both before and after lumbar spine surgery to decrease the risk of long-term adverse health outcomes.

Attitudes of cardiac rehabilitation and stroke teams towards integration of stroke survivors into adapted cardiac rehabilitation: A focus group study.

Clinical Rehabilitation

To explore the attitudes and beliefs of cardiac rehabilitation and stroke teams towards adapted cardiac rehabilitation, and the broader topics of exercise, healthy lifestyles and health behaviour change, for people with mild-to-moderate severity stroke in the sub-acute phase of recovery.

Focus groups. Thematic analysis was applied to the transcribed data.

Overall, 57 health professionals participated in 12 focus groups. Positive impacts for teams and stroke survivors were identified particularly confidence. However, there were negatives, barriers and adaptations identified. In addition, there was a lack of knowledge for cardiac rehabilitation teams in relation to stroke survivors and stroke teams in relation to cardiac rehabilitation, exercise and healthy lifestyles.

Cardiac rehabilitation and stroke staff attitudes to cardiac rehabilitation for stroke survivors showed a range of benefits, negatives, barriers and adaptations needed. Confidence and knowledge of the cardiac rehabilitation and stroke teams needs to be addressed.

ISRCTN65957980.