Editorial Commentary: Magnetic Resonance Imaging Is Not Inferior to the Gold Standard of Diagnostic Arthroscopy for Identification of Wrist Ligamentous Pathology.

Accurate diagnoses of wrist ligamentous injuries are critical to guiding the proper treatment pathway for patients with these pathologies. Although advancements in imaging continue and magnetic resonance imaging is valuable, diagnostic arthroscopy remains superior, particularly if involvement of the noncentral triangular fibrocartilage complex, scapholunate interosseous ligament, or lunotriquetral interosseous ligament is suspected on the basis of history and physical examination and even in the face of negative magnetic resonance imaging findings.

Neuromodulators can promote nerve regeneration and accelerate functional recovery after peripheral nerve injury: A systematic review.

Peripheral nerve injuries (PNIs) are debilitating injuries that are also challenging to treat. With several different techniques being investigated to optimize nerve regeneration, we performed this systematic review aiming to evaluate and synthesize the available peer-reviewed literature regarding PNIs and the research that has been done to optimize peripheral nerve regeneration. Two research databases were searched, and abstracts were reviewed for relevance. The abstracts that met screening criteria then underwent full-text review. Out of 6,128 unique citations, 164 publications were ultimately included in this review. Evidence supports many potential options for the management of PNIs, including surgical treatment and systemic and local administration of various pharmacological agents. Some of the reported benefits of treatment with such agents include faster nerve regeneration, improved functional recovery, neuroma prevention, and decreased scar formation. However, much of the research reviewed has been performed in animal models, not human trails. Additionally, the safety profile of some agents makes systemic treatment difficult. Further translational and clinical studies are needed to fill these remaining gaps in knowledge to make evidence-based recommendations regarding the most effective treatment for PNIs.

Substantial improvement in short-term pain following carpal tunnel surgery for patients with moderate preoperative electromyography findings is diminished with diabetes and smoking.

Purpose: Carpal tunnel syndrome is a common orthopedic diagnosis that often benefits from surgical intervention. There is limited published data analyzing the correlation of smoking and diabetes with the outcomes of open carpal tunnel release, specifically with pain perception and electrophysiology results. The purpose of this study is to determine if smoking and diabetes affect preoperative pain perception in patients with carpal tunnel syndrome when correlated with EMG findings and to determine the differences in pain relief obtained 2 weeks post-operatively in this population. Methods: Following IRB approval, the authors conducted a retrospective chart review of consecutive patients who underwent open carpal tunnel release from January 1, 2019, to June 30, 2022, by a single surgeon at an academic hospital. Demographic information was collected. Pre- and 2-week postoperative VAS pain scores and the severity of disease assessed by EMG preoperatively were recorded. Subgroup analysis was performed, and patients were further stratified by preoperative EMG result into mild, moderate, and severe cohorts. Results: Patients who smoked compared to non-smokers had an average improvement in VAS of 2.1 versus 2.8. Patients with reported diabetes compared to non-diabetics had an average improvement in VAS of 2.3 versus VAS of 2.7. Patients who smoked and had diabetes compared to non-smoking, non-diabetic patients reported a change in VAS of 1.92 compared to 2.6. Subgroup analysis of patients with moderate EMG findings demonstrated that patients with diabetes had significantly less improvement in VAS compared to patients without diabetes and smokers had significantly less improvement in VAS compared to non-smokers. Conclusion: This study showed that among the subgroup of patients with moderate preoperative EMG findings, there was more improvement in pain following carpal tunnel release in non-diabetic patients compared to diabetic patients, and among non-smokers compared to smokers. This study is useful when counseling patients on confounding factors that affect 2-week postoperative recovery.

Dry Wrist Arthroscopy: Technique and Rationale.

Wrist arthroscopy has been established as a useful, minimally invasive tool for diagnosing and treating many different wrist conditions. The standard portals are located on the dorsum of the hand and wrist and are named for their relation to the extensor compartments. They include the radiocarpal and midcarpal portals. The radiocarpal portals are 3-4, 4-5, 6R, 6U, and 1-2. The midcarpal portals are STT (scaphotrapeziotrapezoidal), MCR (midcarpal radial), and MCU (midcarpal ulnar). Traditionally, wrist arthroscopy is performed with constant inflow of saline solution for joint insufflation and visualization. Dry wrist arthroscopy (DWA) is a technique that allows for arthroscopic exploration and instrumentation without infusing any fluid into the joints. Some advantages of DWA include lack of fluid extravasation, less obstruction by floating synovial villi, decreased risk of compartment syndrome, and the ability to perform concomitant open procedures more easily than with a wet technique. Additionally, the risk of fluid displacing carefully laid bone graft is much less without constant flow. DWA can be used in the assessment and management of triangular fibrocartilage complex (TFCC) and scapholunate interosseous ligament tears and other ligamentous injuries. DWA can also be used in fracture fixation to assist with reduction and restoration of articular surfaces. Moreover, it is used in more chronic settings to diagnose scaphoid nonunions. DWA does have its disadvantages such as generation of heat through the use of burrs and shavers and clogging of these instruments during debridement of tissue. DWA is a technique that can be used to manage multiple orthopaedic conditions including soft-tissue and osseous injuries. With a minimal learning curve for surgeons who already perform wrist arthroscopy, DWA can be a useful addition to their practice.

Bracing for the Patellofemoral Joint.

Patellofemoral disorders are common causes of knee pain that result in frequent visitations to musculoskeletal care clinics. Patellar tendinopathy, patellar instability and patellar maltracking, and pain are some of the most common pathologies resulting in patellofemoral dysfunction. For each of these diagnoses, there are unique orthoses and braces available, some of which are uniquely designed to address the pathology involved. While the spectrum of patellofemoral disorders is wide ranging and can often be challenging to treat, bracing frequently plays a large role in the overall treatment algorithm. In this article, we summarized the current literature and treatment recommendations related to the most common types of patellar braces. We performed a thorough review of randomized controlled trials and up to date literature to reach well-informed conclusions on current best practice regarding the uses of patellar braces for patellofemoral disorders.

NSAID Use and Effects on Pediatric Bone Healing: A Review of Current Literature.

This systematic review evaluates and synthesizes the available peer-reviewed evidence regarding the impact of non-steroidal anti-inflammatory drugs (NSAIDs) on fracture healing in skeletally immature patients. Evidence supports the use of NSAIDs in this patient population for adequate pain control without increasing the risk of nonunion, particularly in long bone fractures and pseudoarthrosis after spine fusion. However, further clinical studies are needed to fill remaining gaps in knowledge, specifically with respect to the spectrum of available NSAIDs, dosage, and duration of use, in order to make broad evidence-based recommendations regarding the optimal use of NSAIDs during bone healing in skeletally immature patients.

Acute interstitial nephritis due to sodium-glucose co-transporter 2 inhibitor empagliflozin.

Biopsy-proven acute interstitial nephritis (AIN) secondary to sodium-glucose co-transporter 2 (SGLT2) inhibitors has not been described previously. Here, we report on the management of a patient with severe acute kidney injury that developed 6 weeks after starting empagliflozin. The cause was confirmed as AIN on renal biopsy. Our patient recovered, without the need for dialysis, with discontinuation of empagliflozin and corticosteroid treatment. This novel clinical observation is likely to occur more frequently as these drugs are increasingly being prescribed, given that recent randomized controlled trials including EMPA-REG (Empagliflozin, Cardiovascular Outcomes, and Mortality in Type 2 Diabetes) showed SGLT2 inhibitors can decrease cardiovascular mortality, among other benefits, in high-risk diabetic populations.

Postoperative Opioid Prescribing and Consumption Patterns after Tonsillectomy.

OBJECTIVES: Despite increased concern with the opioid epidemic, literature remains scant regarding narcotic prescription and use following tonsillectomy. STUDY DESIGN: Retrospective cohort study with telephone interview. SUBJECT AND METHODS: A chart review from January to August 2018 evaluated the difference between prescribed amounts of narcotic and patient-reported usage following tonsillectomy (Current Procedural Terminology codes 42821 and 42826). Patients were excluded if they used opioids for chronic pain, had a history of chronic opioid use or substance abuse, or underwent tonsillectomy to exclude malignancy. A telephone interview assessed opioid and nonopioid usage and pain control postoperatively, including amount and form of narcotics remaining. RESULTS: Sixty-four patients were enrolled at a mean 4.47 months after tonsillectomy. The mean ± SD prescribed morphine milligram equivalent (MME) was 456.1 ± 281.7, with only 302.8 ± 206.2 consumed. The mean MME prescribed per day was 74.1 ± 44.8, and average days of narcotic usage postoperatively was 9.6 ± 4.6, correlating with a mean MME per day of 49.2 ± 34.3 if the maximum prescribed dose per day was consumed. Fifty-four (84.4%) patients reported pain as well controlled. Forty-three (67.2%) patients reported residual narcotic medication, with 228.1 ± 208.5 MMEs remaining per patient. Narcotic solutions were more completely consumed than tablet forms, with 23.1% and 44.0% remaining, respectively. Patients cited uncertainty about safe disposal and safeguarding for future use as reasons for keeping residual narcotic. CONCLUSIONS: Patient-reported narcotic use is significantly lower than the amount prescribed after tonsillectomy for benign disease. Providers can use these data to adjust narcotic-prescribing patterns while maintaining appropriate pain management for patients undergoing tonsillectomy.

The impact of body mass index on severity of cervical spine fracture: A retrospective cohort study.

BACKGROUND: No study has evaluated the relationship between increasing BMI and severity/type of cervical spine injuries. AIMS AND OBJECTIVES: The objective of our study was to study the impact of body mass index (BMI) on severity of cervical spine fracture. METHODS: We performed a retrospective cohort study of patients with traumatic cervical spine fractures at a level I trauma center over a 74-year period. CT scans of the cervical spine were blindly graded according to the AO Spine sub-axial cervical spine classification. The association between BMI and severity of cervical spine fracture was studied by multiple-variable logistic regression. RESULTS: A total of 291 patients with an average BMI of 26.1 ± 5.4 kg/m2 were studied. Higher BMI was not associated with more severe injury (OR 1.03, 95%, CI: 0.97-1.08). For rollover motor vehicle accident (MVA), the association was trending towards significance (OR 2.55, 95%, CI: 0.98-6.66, P = 0.06). CONCLUSIONS: Patients with higher BMI may be predisposed to more severe cervical spine fracture in rollover MVA, but not non-rollover MVA or falls.

30-day adverse outcomes, re-admissions and mortality following vertebroplasty/kyphoplasty.

OBJECTIVES: Despite vertebral fractures being a common occurrence in elderly osteoporotic individuals, literature remains scant with regards to 30-day outcomes following vertebral augmentation for these injuries. We studied a national database of elderly osteoporotic patients who underwent vertebroplasty and kyphoplasty. PATIENTS AND METHODS: The 2012-2014 ACS-NSQIP database was queried using CPT codes for vertebroplasty (22520, 22521 and 22522) and kyphoplasty (22523, 22524 and 22525). Patients undergoing concurrent spinal fusion and/or laminectomies/laminotomies/laminoplasties were removed from the study. Patients with missing data were also excluded from the study. RESULTS: Following inclusion/exclusion criteria, a total of 2433 patients were included in the study out of which 242(9.9%) underwent vertebroplasty and 2191(90.1%) underwent kyphoplasty. Following adjusted analysis, having a dependent functional health status pre-operatively (OR 1.78; p = 0.010), pre-operative sepsis/SIRS (OR 2.52; p = 0.009), history of COPD (OR 1.62; p = 0.025), disseminated cancer (OR 1.94; p = 0.028), pre-operative wound infection (OR 3.47; p = 0.003) and inpatient admission status (OR 3.22; p < 0.001) were independent predictors of having any complication within 30-days of the procedure. Significant independent risk factors for 30-day mortality were functional health status prior to surgery (OR 2.92; p = 0.002), pre-operative dialysis use (OR 11.74; p = 0.003), Disseminated cancer (OR 7.09; p < 0.001), chronic steroid use (OR 3.59; p < 0.001), and inpatient admission status (OR 4.95; p < 0.001). CONCLUSION: Vertebroplasty/Kyphoplasty is associated with significant adverse outcomes. Providers can utilize these data to better pre-operatively filter high-risk patients and tailor an appropriate peri-operative medical optimization program to enhance care to lower the risk of complications, readmissions and mortality from this procedure.

Early detection of antiangiogenic treatment responses in a mouse xenograft tumor model using quantitative perfusion MRI.

Angiogenesis plays a major role in tumor growth and metastasis, with tumor perfusion regarded as a marker for angiogenesis. To evaluate antiangiogenic treatment response in vivo, we investigated arterial spin labeling (ASL) magnetic resonance imaging (MRI) to measure tumor perfusion quantitatively. Chronic and 24-h acute treatment responses to bevacizumab were assessed by ASL and dynamic-contrast-enhanced (DCE) MRI in the A498 xenograft mouse model. After the MRI, tumor vasculature was assessed by CD34 staining. After 39 days of chronic treatment, tumor perfusion decreased to 44.8 ± 16.1 mL/100 g/min (P < 0.05), compared to 92.6 ± 42.9 mL/100 g/min in the control group. In the acute treatment study, tumor perfusion in the treated group decreased from 107.2 ± 32.7 to 73.7 ± 27.8 mL/100 g/min (P < 0.01; two-way analysis of variance), as well as compared with control group post dosing. A significant reduction in vessel density and vessel size was observed after the chronic treatment, while only vessel size was reduced 24 h after acute treatment. The tumor perfusion correlated with vessel size (r = 0.66; P < 0.005) after chronic, but not after acute treatment. The results from DCE-MRI also detected a significant change between treated and control groups in both chronic and acute treatment studies, but not between 0 and 24 h in the acute treatment group. These results indicate that tumor perfusion measured by MRI can detect early vascular responses to antiangiogenic treatment. With its noninvasive and quantitative nature, ASL MRI would be valuable for longitudinal assessment of tumor perfusion and in translation from animal models to human.