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0001). Surgical time was significantly higher in revision versus primary cases, 131.5 minutes (89.0 SD) versus 109.3 minutes (42.5 SD) (P = 0.0001). RVUs per minute were near equivalent for primary and revision arthroplasty at 0.20 (0.1 SD) and 0.20 (01 SD), respectively. However, owing to the difference in surgical time and cases per day, this translates to an estimated reimbursement difference of $174,554.4 per year more for primary shoulder arthroplasty over revision cases.

The current RVU model does not adequately factor surgical time for revision shoulder arthroplasty and translates to a notable yearly reimbursement difference that favors primary shoulder arthroplasty.

The current RVU model does not adequately factor surgical time for revision shoulder arthroplasty and translates to a notable yearly reimbursement difference that favors primary shoulder arthroplasty.Left atrial (LA) dissections are rare phenomena, often iatrogenic, caused by blood flow into a false lumen, potentially obstructing the pulmonary veins or flow into the left ventricle. Severity can range from an incidental observation or complete circulatory collapse. While LA dissections are often associated with mitral valve repair, there are 2 reported cases of LA dissections associated with retrograde cardioplegia cannula insertion through the coronary sinus. Here, we present a large LA dissection that was directly visualized and tracked to a coronary sinus injury from the retrograde cardioplegia cannula. The clinical presentation and echocardiography findings informed our subsequent management.We report a pediatric patient who underwent a central venous catheter (CVC) insertion and presented with a sudden protrusion of a guidewire from the neck 26 months later. Sanguinarine The guidewire was extracted via femoral venotomy. A 5-cm portion of the guidewire adhering to the superior vena cava wall was left in place. We recommend always using a CVC checklist, inspecting the guidewire before and after insertion, and carefully examining the postinsertion radiographs. This checklist should be mandatory with every CVC insertion, including the perioperative period.A 56-year-old woman presented with flexion dysfunction of the fifth digit 6 weeks after surgical repair of a flexor digitorum profundus laceration. She was scheduled for surgical adhesiolysis and restoration of the functionality of the finger. Intraoperative monitoring of the range of motion by active flexion was deemed important to prevent incomplete release of the tendon and residual dysfunction. Distal median and ulnar nerve blocks were used for anesthesia with the patient's ability to flex the finger. This case suggests that motor-sparing peripheral nerve blocks can improve functional outcome in certain hand surgeries.

Paraspinal ganglioneuromas are rare tumors that arise from neural crest tissue and can cause morbidity via compression of adjacent organs and neurovascular structures. The authors investigated a case series of these tumors treated at their institution to determine clinical outcomes following resection.

A retrospective review of a prospectively collected cohort of consecutive, pathology-confirmed, surgically treated paraspinal ganglioneuromas from 2001 to 2019 was performed at a tertiary cancer center.

Fifteen cases of paraspinal ganglioneuroma were identified 47% were female and the median age at the time of surgery was 30 years (range 10-67 years). Resected tumors included 9 thoracic, 1 lumbar, and 5 sacral, with an average maximum tumor dimension of 6.8 cm (range 1-13.5 cm). Two patients had treated neuroblastomas that matured into ganglioneuromas. One patient had a secretory tumor causing systemic symptoms. Surgical approaches were anterior (n = 11), posterior (n = 2), or combined (n = 2). Seven (47%omes.

Despite improvements in surgical techniques and instruments, high rates of rod fracture following a long spinal fusion in the treatment of adult spinal deformity (ASD) remain a concern. Thus, an improved understanding of rod fracture may be valuable for better surgical planning. The authors aimed to investigate mechanical stress on posterior rods in lumbopelvic fixation for the treatment of ASD.

Synthetic lumbopelvic bone models were instrumented with intervertebral cages, pedicle screws, S2-alar-iliac screws, and rods. The construct was then placed in a testing device, and compressive loads were applied. Subsequently, the strain on the rods was measured using strain gauges on the dorsal aspect of each rod.

When the models were instrumented using titanium alloy rods at 30° lumbar lordosis and with lateral interbody fusion cages, posterior rod strain was highest at the lowest segment (L5-S1) and significantly higher than that at the upper segment (L2-3) (p = 0.002). Changing the rod contour from 30° to 50° caused a 36% increase in strain at L5-S1 (p = 0.009). Changing the rod material from titanium alloy to cobalt-chromium caused a 140% increase in strain at L2-3 (p = 0.009) and a 28% decrease in strain at L5-S1 (p = 0.016). The rod strain at L5-S1 using a flat bender for contouring was 23% less than that obtained using a French bender (p = 0.016).

In lumbopelvic fixation in which currently available surgical techniques for ASD are used, the posterior rod strain was highest at the lumbosacral junction, and depended on the contour and material of the rods.

In lumbopelvic fixation in which currently available surgical techniques for ASD are used, the posterior rod strain was highest at the lumbosacral junction, and depended on the contour and material of the rods.

It is unclear whether anterior cervical decompression and fusion (ADF) or laminoplasty (LMP) results in better outcomes for patients with K-line-positive (+) cervical ossification of the posterior longitudinal ligament (OPLL). The purpose of the study is to compare surgical outcomes and complications of ADF versus LMP in patients with K-line (+) OPLL.

The study included 478 patients enrolled in the Japanese Multicenter Research Organization for Ossification of the Spinal Ligament and who underwent surgical treatment for cervical OPLL. The patients who underwent anterior-posterior combined surgery or posterior decompression with instrumented fusion were excluded. The patients with a follow-up period of fewer than 2 years were also excluded, leaving 198 patients with K-line (+) OPLL. Propensity score matching was performed on 198 patients with K-line (+) OPLL who underwent ADF (44 patients) or LMP (154 patients), resulting in 39 pairs of patients based on the following predictors for surgical outcomes age, comes of ADF 1 and 2 years after surgery tended to be better than LMP, but the analysis did not detect any significant difference in clinical outcomes between the groups. Conversely, patients who underwent ADF had a higher incidence of surgery-related complications. When considering indications for ADF or LMP, benefits and risks of the surgical procedures should be carefully weighed.

Clinical outcomes were good for both ADF and LMP, indicating that ADF and LMP are appropriate procedures for patients with K-line (+) OPLL. Clinical outcomes of ADF 1 and 2 years after surgery tended to be better than LMP, but the analysis did not detect any significant difference in clinical outcomes between the groups. Conversely, patients who underwent ADF had a higher incidence of surgery-related complications. When considering indications for ADF or LMP, benefits and risks of the surgical procedures should be carefully weighed.

Adult symptomatic lumbar scoliosis (ASLS) is a widespread and debilitating subset of adult spinal deformity. Although many patients benefit from operative treatment, surgery entails substantial cost and risk for adverse events. Patient-reported outcome measures (PROMs) are patient-centered tools used to evaluate the appropriateness of surgery and to assist in the shared decision-making process. Framing realistic patient expectations should include the possible functional limitation to improvement inherent in surgical intervention, such as multilevel fusion to the sacrum. The authors' objective was to predict postoperative ASLS PROMs by using clustering analysis, generalized longitudinal regression models, percentile analysis, and clinical improvement analysis of preoperative health-related quality-of-life scores for use in surgical counseling.

Operative results from the combined ASLS cohorts were examined. PROM score clustering after surgery investigated limits of surgical improvement. Patients were categscore were unlikely to improve. Crippling baseline ODI disability (> 60) commonly left patients with moderate disability (median ODI = 32). As baseline ODI disability increased, patients were more likely to achieve MCID and SCB (p < 0.001). Compared to fixed threshold values for MCID and SCB, patient-specific values were more sensitive to change for patients with minimal ODI baseline disability (p = 0.008) and less sensitive to change for patients with moderate to severe SRS subscore disability (p = 0.01).

These findings suggest that ASLS surgeries have a limit to possible improvement, probably due to both baseline disability and the effects of surgery. The most disabled patients often had moderate to severe disability (SRS < 3, ODI > 30) at 2 years, emphasizing the importance of patient counseling and expectation management.

30) at 2 years, emphasizing the importance of patient counseling and expectation management.

In degenerative cervical myelopathy (DCM) pathologies in which there exists a clinical equipoise in approach selection, a randomized controlled trial found that an anterior approach did not significantly improve patient-reported outcomes compared with posterior approaches. In this era of value and bundled payment initiatives, the cost profiles of various surgical approaches will form an important consideration in decision-making. The objective of this study was to compare 90-day and 2-year reimbursements for ≥ 2-level (multilevel) anterior cervical discectomy and fusion (mACDF), anterior cervical corpectomy and fusion (ACCF), posterior cervical laminectomy and fusion (LF), and cervical laminoplasty (LP) performed for DCM.

The IBM MarketScan research database (2005-2018) was used to study beneficiaries 30-75 years old who underwent surgery using four approaches (mACDF, ACCF, LF, or LP) for DCM. Demographics, index surgery length of stay (LOS), complications, and discharge disposition were compared. Index an rate and simulated bundled reimbursements at 90 days and 2 years postoperatively. The lowest quartile 90-day payment for LF was more expensive than median amounts for mACDF, ACCF, and LP. If surgeons encounter scenarios of clinical equipoise in practice, LP is likely to result in maximum value because it is 70% less expensive on average than LF over 90 days.

In a national cohort of patients undergoing surgery for DCM, LP had the lowest complication rate and simulated bundled reimbursements at 90 days and 2 years postoperatively. The lowest quartile 90-day payment for LF was more expensive than median amounts for mACDF, ACCF, and LP. If surgeons encounter scenarios of clinical equipoise in practice, LP is likely to result in maximum value because it is 70% less expensive on average than LF over 90 days.