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Bhojani N, Miller LE, Zorn KC, Chughtai B, Elterman DS, Bhattacharyya S, Chew BH. Prevalence and determinants of shared decision-making for PSA testing in the United States. Prostate Cancer Prostatic Dis 2024:10.1038/s41391-024-00843-x. [PMID: 38671083 DOI: 10.1038/s41391-024-00843-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 04/16/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024]
Abstract
BACKGROUND Shared decision-making (SDM) is recommended for prostate-specific antigen (PSA) testing but appears underutilized. This population-based study assessed the prevalence and determinants of SDM for PSA testing among US men. METHODS We assessed PSA testing rates and SDM engagement in men aged 40 and older without prostate cancer history using the 2019 National Health Interview Survey. SDM was defined as discussing the advantages and disadvantages of PSA testing with a physician. We used multivariable logistic regression with machine learning to identify factors associated with lack of SDM. RESULTS Among 9723 eligible participants (mean age 58 years), lifetime PSA testing prevalence was 45.9% and the 1-year testing incidence was 29.1%. Only 24.1% reported engaging in SDM with a physician, while 62.9% never discussed PSA testing. Younger age and lower education levels were the primary determinants of decreased SDM engagement. Men with less education engaged in SDM less than half as often as those with higher education levels across all age groups. CONCLUSIONS Societal guidelines recommend SDM for PSA testing. However, most men, regardless of age, have never engaged in SDM conversations with a healthcare provider about PSA testing, especially those with less education. More efforts are needed to improve patient-provider conversations about the potential benefits and harms of PSA testing.
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Affiliation(s)
- Naeem Bhojani
- Division of Urology, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Larry E Miller
- Department of Biostatistics, Miller Scientific, Johnson City, TN, USA.
| | - Kevin C Zorn
- Division of Urology, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Bilal Chughtai
- Department of Urology, Department of Obstetrics and Gynecology, Weill Cornell Medicine, New York, NY, USA
| | - Dean S Elterman
- Division of Urology, University Health Network, Toronto, ON, Canada
| | | | - Ben H Chew
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada
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Peretsman SJ, Emberton M, Fleshner N, Shoji S, Bahler CD, Miller LE. High-intensity focused ultrasound with visually directed power adjustment for focal treatment of localized prostate cancer: systematic review and meta-analysis. World J Urol 2024; 42:175. [PMID: 38507093 PMCID: PMC10954869 DOI: 10.1007/s00345-024-04840-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 01/16/2024] [Indexed: 03/22/2024] Open
Abstract
PURPOSE To characterize patient outcomes following visually directed high-intensity focused ultrasound (HIFU) for focal treatment of localized prostate cancer. METHODS We performed a systematic review of cancer-control outcomes and complication rates among men with localized prostate cancer treated with visually directed focal HIFU. Study outcomes were calculated using a random-effects meta-analysis model. RESULTS A total of 8 observational studies with 1,819 patients (median age 67 years; prostate-specific antigen 7.1 mg/ml; prostate volume 36 ml) followed over a median of 24 months were included. The mean prostate-specific antigen nadir following visually directed focal HIFU was 2.2 ng/ml (95% CI 0.9-3.5 ng/ml), achieved after a median of 6 months post-treatment. A clinically significant positive biopsy was identified in 19.8% (95% CI 12.4-28.3%) of cases. Salvage treatment rates were 16.2% (95% CI 9.7-23.8%) for focal- or whole-gland treatment, and 8.6% (95% CI 6.1-11.5%) for whole-gland treatment. Complication rates were 16.7% (95% CI 9.9-24.6%) for de novo erectile dysfunction, 6.2% (95% CI 0.0-19.0%) for urinary retention, 3.0% (95% CI 2.1-3.9%) for urinary tract infection, 1.9% (95% CI 0.1-5.3%) for urinary incontinence, and 0.1% (95% CI 0.0-1.4%) for bowel injury. CONCLUSION Limited evidence from eight observational studies demonstrated that visually directed HIFU for focal treatment of localized prostate cancer was associated with a relatively low risk of complications and acceptable cancer control over medium-term follow-up. Comparative, long-term safety and effectiveness results with visually directed focal HIFU are lacking.
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Affiliation(s)
| | - Mark Emberton
- Interventional Oncology, Division of Surgery and Interventional Science, University College London, London, UK
| | - Neil Fleshner
- Department of Surgical Oncology Urology, Princess Margaret Cancer Centre, University Health Network, Toronto, Canada
| | - Sunao Shoji
- Department of Urology, Tokai University School of Medicine, Isehara, Japan
| | - Clinton D Bahler
- Department of Urology, Indiana University, Indianapolis, IN, USA
| | - Larry E Miller
- Miller Scientific, 3101 Browns Mill Road, Ste 6, #311, Johnson City, TN, 37604, USA.
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Eberlin KR, Amis BP, Berkbigler TP, Dy CJ, Fischer MD, Gluck JL, Kaplan FTD, McDonald TJ, Miller LE, Palmer A, Perry PE, Walker ME, Watt JF. Final 1-Year Results of the TUTOR Randomized Trial Comparing Carpal Tunnel Release with Ultrasound Guidance to Mini-open Technique. Plast Reconstr Surg Glob Open 2024; 12:e5665. [PMID: 38440365 PMCID: PMC10911521 DOI: 10.1097/gox.0000000000005665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 01/25/2024] [Indexed: 03/06/2024]
Abstract
Background Studies comparing carpal tunnel release with ultrasound guidance (CTR-US) to mini-open CTR (mOCTR) are limited. This randomized trial compared the efficacy and safety of these techniques. Methods In this multicenter randomized trial, patients were randomized (2:1) to unilateral CTR-US or mOCTR. Outcomes included Boston Carpal Tunnel Questionnaire Symptom Severity Scale (BCTQ-SSS) and Functional Status Scale (BCTQ-FSS), numeric pain scale (0-10), EuroQoL-5 Dimension 5-Level (EQ-5D-5L), scar outcomes, and complications over 1 year. Results Patients received CTR-US (n = 94) via wrist incision (mean 6 mm) or mOCTR (n = 28) via palmar incision (mean 22 mm). Comparing CTR-US with mOCTR, the mean changes in BCTQ-SSS (-1.8 versus -1.8; P = 0.96), BCTQ-FSS (-1.0 versus -1.0; P = 0.75), numeric pain scale (-3.9 versus -3.8; P = 0.74), and EQ-5D-5L (0.13 versus 0.12; P = 0.79) over 1 year were comparable between groups. Freedom from scar sensitivity or pain favored CTR-US (95% versus 74%; P = 0.005). Complications occurred in 2.1% versus 3.6% of patients (P = 0.55), all within 3 weeks postprocedure. There was one revision surgery in the CTR-US group, and no revisions for persistent or recurrent symptoms in either group. Conclusions CTR-US and mOCTR demonstrated similar improvement in carpal tunnel syndrome symptoms and quality of life with comparable low complication rates over 1 year of follow-up. CTR-US was performed with a smaller incision and associated with less scar discomfort.
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Paterson PD, Kirsch MJ, Miller LE, Aguila DJ. Early Return to Work after Carpal Tunnel Release with Ultrasound Guidance. Plast Reconstr Surg Glob Open 2024; 12:e5647. [PMID: 38415102 PMCID: PMC10898665 DOI: 10.1097/gox.0000000000005647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 01/22/2024] [Indexed: 02/29/2024]
Abstract
Background The duration of postoperative leave varies by the carpal tunnel release (CTR) technique. This study aimed to determine the time to return to work (RTW) after CTR with ultrasound (CTR-US) guidance and identify factors contributing to this duration. Methods This was a multicenter postmarket registry of patients treated with CTR-US. Time to RTW was analyzed with Kaplan-Meier methods. Logistic regression identified the association of patient, work, and procedural factors with the probability of RTW within 5 days (a standard work week) after CTR-US. Results A total of 544 employed patients (655 hands) from 24 centers were treated with CTR-US between November 2019 and August 2022. The mean patient age was 50 years, 62% were women, and most (76%) were full-time employees, where work activities were desk-based (49%), light manual (28%), or heavy manual (23%). The complication rate was 0.8%. After CTR-US, the median RTW was 3 days (interquartile range: 1-6 days), with 74.6% returning by 5 days, 87.8% by 10 days, and 97.1% by 30 days. Work activity (desk-based versus heavy manual: odds ratio = 2.93, 95% confidence interval: 1.70-5.04, P < 0.001) and sex (man versus woman: odds ratio = 1.85, 95% confidence interval: 1.15-2.98, P = 0.01) were associated with higher probability of RTW within 5 days. The median RTW ranged from 2 to 4 days in all patient subgroups, including heavy manual laborers (median 4 days) and women (median 3 days). Conclusions CTR-US offers an efficient approach to treating CTS, enabling most patients to RTW with minimal delay. The short recovery periods observed across diverse patient and work characteristic subgroups compare favorably to other CTR techniques.
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Gill BC, Miller LE, Bhattacharyya S, Cash H, Eure GR. Complications of GreenLight Laser vs Transurethral Resection of the Prostate for Treatment of Lower Urinary Tract Symptoms: Meta-analysis of Randomized Trials. Urology 2024; 184:259-265. [PMID: 38176618 DOI: 10.1016/j.urology.2023.12.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/14/2023] [Accepted: 12/26/2023] [Indexed: 01/06/2024]
Abstract
OBJECTIVE To compare perioperative outcomes and complications between GreenLight and transurethral resection of the prostate (TURP) for benign prostatic hyperplasia. METHODS A systematic review and random effects meta-analysis of randomized trials comparing GreenLight with TURP was completed. Primary outcomes included periprocedural milestones, 12 predefined complications, Clavien-Dindo class III-V complications, reoperations (all-cause), and a composite of reoperations and readmissions. Metaregression assessed the relationship between patient- and study-level factors with periprocedural outcomes and reoperation rates. RESULTS The review included 13 randomized trials with 1757 patients (839 GreenLight; 918 TURP). Procedure time was 10 minutes (95% CI: 5 to 15; P < .001) longer with GreenLight, while catheterization time (mean difference=-1.3days; 95% CI: -1.7 to -0.9; P<.001) and hospital stay (mean difference=-2.1days; 95% CI: -2.5 to -1.7; P<.001) were shorter. Bleeding-related complications, including clot retention (risk ratio [RR]=0.12; 95% CI: 0.05 to 0.32; P<.001) and transfusion (RR=0.26; 95% CI: 0.12 to 0.58; P = .001), as well as sexual dysfunction (RR=0.66; 95% CI: 0.45 to 0.98; P = .04), were less frequent with GreenLight. All other complications occurred at similar frequencies between groups. The risks of reoperation (RR: 1.17; 95% CI: 0.82 to 1.66; P = .38) and reoperation or readmission (RR: 1.05; 95% CI: 0.76 to 1.44; P = .79) did not differ. CONCLUSION GreenLight achieved shorter catheterization times and hospital stays with lower rates of sexual dysfunction and bleeding-related complications compared to TURP.
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Affiliation(s)
- Bradley C Gill
- Department of Urology, Cleveland Clinic Foundation, Cleveland, OH
| | | | | | - Hannes Cash
- Department of Urology, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
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McVary KT, Miller LE, Bhattacharyya S, DeRouen K, Turner E, Zantek P, Abdel-Rassoul M, Miyauchi T, Alzahrani TM, Kohler T. Water Vapor Thermal Therapy in Men With Prostate Volume ≥80 cm 3: A Systematic Review and Meta-Analysis. Urology 2024; 184:244-250. [PMID: 38006957 DOI: 10.1016/j.urology.2023.10.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/20/2023] [Accepted: 10/02/2023] [Indexed: 11/27/2023]
Abstract
OBJECTIVE To determine the safety and effectiveness of water vapor thermal therapy (Rezum) in men with large prostate volumes of at least 80cm3. METHODS We performed systematic searches for studies of Rezum therapy in men with prostate volume of at least 80 cm3. Meta-analysis outcomes included the International Prostate Symptom Score (IPSS), IPSS Quality of Life (IPSS-QOL), Qmax, postvoid residual, International Index of Erectile Function-Erectile Function (IIEF-EF), and serious (Clavien-Dindo grade III-V) complications, surgical retreatments. Outcomes were analyzed using a random effects meta-analysis model. RESULTS The review included 15 studies (11 retrospective) of 471 men with prostate volume at least 80 cm3 treated with Rezum therapy and followed for a median of 6months (range: 3-17months). Rezum therapy resulted in statistically significant improvements in IPSS (mean change: -11.0; 95% CI: -12.2, -9.7; P < .001), IPSS-QOL (mean change: -2.9; 95% CI: -3.5, -2.4; P < .001), Qmax (mean change: 6.5 mL/s; 95% CI: 4.8, 8.2 mL/s; P < .001), and postvoid residual (mean change: -101 mL; 95% CI: -145, -57; P < .001). No change in IIEF-EF was observed (mean change: 0.3; 95% CI: -1.1, 1.6; P = .71). Serious complications occurred in <0.1% (95% CI: 0.0%, 0.4%) and surgical retreatment in 1.2% (95% CI: 0.0%, 3.5%) of patients. CONCLUSION Rezum therapy provides a statistically significant and clinically important short-term improvement in lower urinary tract symptoms with low complication rates in men with prostate volume of at least 80 cm3. Long-term outcomes with Rezum therapy in large prostates remain unclear.
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Affiliation(s)
- Kevin T McVary
- Center for Male Health, Department of Urology, Stritch School of Medicine, Loyola University Medical Center, Maywood, IL
| | - Larry E Miller
- Department of Biostatistics, Miller Scientific, Johnson City, TN.
| | | | | | | | | | | | | | - Tarek M Alzahrani
- Department of Urology, Dr. Sulaiman AlHabib Hospital (Suwaidi Branch), Riyadh, Saudi Arabia
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Hammert WC, Chung KC, Miller LE. Best-Evidence Systematic Review and Meta-Analysis of Mini-Open Carpal Tunnel Release. J Hand Surg Glob Online 2024; 6:35-42. [PMID: 38313621 PMCID: PMC10837294 DOI: 10.1016/j.jhsg.2023.08.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 08/04/2023] [Indexed: 02/06/2024] Open
Abstract
Purpose This study aimed to evaluate the safety and effectiveness of mini-open carpal tunnel release (mOCTR) using best-evidence synthesis methods. Methods We systematically searched for prospective studies published from January 2013 to July 2023 that reported outcomes from a minimum of 50 mOCTR cases. The outcomes included Quick Disabilities of the Arm, Shoulder, and Hand Questionnaire, Boston Carpal Tunnel Questionnaire Symptom Severity Scale (BCTQ-SSS) and Functional Status Scale (BCTQ-FSS), pain visual analog scale (VAS), complication rate, and reoperation rate. Data analysis was performed using a random-effects meta-analysis, with metaregression to identify the associations between patient- and study-level factors with surgical outcomes. Results The meta-analysis included 23 studies with 2,303 patients followed for median durations ranging from 6 to 12 months depending on the outcome. Mini-open carpal tunnel release resulted in statistically significant and clinically important improvements in Quick Disabilities of the Arm, Shoulder, and Hand Questionnaire (mean difference = -25.5; 95% confidence interval [CI]: -36.4 to -14.5; P < .001), BCTQ-SSS (mean difference = -2.2; 95% CI: -2.5 to -1.9; P < .001), BCTQ-FSS (mean difference = -2.1; 95% CI: -2.4 to -1.7; P < .001), and pain VAS (mean difference = -5.1; 95% CI: -6.2 to -4.1; P < .001). The sole predictor of improvement in BCTQ-SSS, BCTQ-FSS, and pain VAS was a higher preoperative score for the respective variable (all P < .001). The risk of complications (mainly short-term pillar pain or scar complications) was 8.9% (95% CI: 4.0%-13.8%) and increased with longer incision lengths (P = .008). Revision carpal tunnel release was performed in 0.6% (95% CI: 0.1%-1.0%) of the cases during follow-up. No cases of median nerve transection were reported. Conclusions Based on a best-evidence meta-analysis of contemporary studies, mOCTR significantly improved function and pain, with a relatively low risk of mainly temporary complications. Patient outcomes after mOCTR were influenced by patient symptomatology and surgical incision length. Clinical relevance Mini-open carpal tunnel release is an effective surgical option that significantly improves symptoms and function, especially for patients with more severe baseline dysfunction. Surgeons should use the shortest incision that allows adequate visualization to safely divide the transverse carpal ligament.
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Affiliation(s)
- Warren C. Hammert
- Department of Orthopaedic Surgery, Division of Hand Surgery, Duke University Medical Center, Durham, NC
| | - Kevin C. Chung
- University of Michigan Comprehensive Hand Center, Michigan Medicine, Ann Arbor, MI
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Khera M, Bhattacharyya S, Miller LE. Effect of aerobic exercise on erectile function: systematic review and meta-analysis of randomized controlled trials. J Sex Med 2023; 20:1369-1375. [PMID: 37814532 DOI: 10.1093/jsxmed/qdad130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 08/27/2023] [Accepted: 09/04/2023] [Indexed: 10/11/2023]
Abstract
BACKGROUND The health benefits of regular aerobic exercise are well established, although there is limited high-quality evidence regarding its impact on erectile function. AIM To determine the effect of aerobic exercise on erectile function in men and to identify factors that may influence this effect. METHODS This systematic review and meta-analysis included randomized controlled trials that evaluated the effects of aerobic exercise on erectile function via the Erectile Function domain of the International Index of Erectile Function (IIEF-EF). The mean difference in IIEF-EF scores between the aerobic exercise and nonexercising control groups was estimated by a random-effects meta-analysis. Meta-regression was used to evaluate the association of moderator variables on meta-analysis results. OUTCOMES The IIEF-EF score is reported on a 6-30 scale, with higher values indicating better erectile function. RESULTS Among 11 randomized controlled trials included in the analysis, aerobic exercise resulted in statistically significant improvements in IIEF-EF scores as compared with controls, with a mean difference of 2.8 points (95% CI, 1.7-3.9; P < .001) and moderate heterogeneity among studies (I2 = 53%). The effect of aerobic exercise on erectile function was greater in men with lower baseline IIEF-EF scores, with improvements of 2.3, 3.3, and 4.9 points for mild, moderate, and severe erectile dysfunction, respectively (P = .02). The meta-analysis results were not influenced by publication bias or individual study effects. CLINICAL IMPLICATIONS Health care providers should consider recommending regular aerobic exercise as a low-risk nonpharmacologic therapy for men experiencing erectile difficulties. STRENGTHS AND LIMITATIONS The primary strength of this review was the generation of level 1 evidence on a topic of general interest regarding sexual health in men. However, the included studies evaluated diverse groups, which may complicate data interpretation for specific segments of the population. CONCLUSION Regular aerobic exercise can improve the erectile function of men, particularly those with lower baseline IIEF-EF scores.
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Affiliation(s)
- Mohit Khera
- Baylor College of Medicine, Houston, TX, 77030, United States
| | - Samir Bhattacharyya
- Health Economics and Market Access, Boston Scientific, Marlborough, MA, 01752, United States
| | - Larry E Miller
- Department of Biostatistics, Miller Scientific, Johnson City, TN, 37604, United States
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Eastlack RK, Nunley PD, Poelstra KA, Vaccaro AR, Stone M, Miller LE, Legay P, Clin J, Agarwal A. Finite element analysis comparing a PEEK posterior fixation device versus pedicle screws for lumbar fusion. J Orthop Surg Res 2023; 18:855. [PMID: 37950318 PMCID: PMC10636999 DOI: 10.1186/s13018-023-04349-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 11/06/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND Pedicle screw loosening and breakage are common causes of revision surgery after lumbar fusion. Thus, there remains a continued need for supplemental fixation options that offer immediate stability without the associated failure modes. This finite element analysis compared the biomechanical properties of a novel cortico-pedicular posterior fixation (CPPF) device with those of a conventional pedicle screw system (PSS). METHODS The CPPF device is a polyetheretherketone strap providing circumferential cortical fixation for lumbar fusion procedures via an arcuate tunnel. Using a validated finite element model, we compared the stability and load transfer characteristics of CPPF to intact conditions under a 415 N follower load and PSS conditions under a 222 N preload. Depending on the instrumented levels, two different interbody devices were used: a lateral lumbar interbody device at L4-5 or an anterior lumbar interbody device at L5-S1. Primary outcomes included range of motion of the functional spinal units and anterior load transfer, defined as the total load through the disk and interbody device after functional motion and follower load application. RESULTS Across all combinations of interbody devices and lumbar levels evaluated, CPPF consistently demonstrated significant reductions in flexion (ranging from 90 to 98%), extension (ranging from 88 to 94%), lateral bending (ranging from 75 to 80%), and torsion (ranging from 77 to 86%) compared to the intact spine. Stability provided by the CPPF device was comparable to PSS in all simulations (range of motion within 0.5 degrees for flexion-extension, 0.6 degrees for lateral bending, and 0.5 degrees for torsion). The total anterior load transfer was higher with CPPF versus PSS, with differences across all tested conditions ranging from 128 to 258 N during flexion, 89-323 N during extension, 135-377 N during lateral bending, 95-258 N during torsion, and 82-250 N during standing. CONCLUSION Under the modeled conditions, cortico-pedicular fixation for supplementing anterior or lateral interbody devices between L4 and S1 resulted in comparable stability based on range of motion measures and less anterior column stress shielding based on total anterior load transfer measures compared to PSS. Clinical studies are needed to confirm these finite element analysis findings.
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Affiliation(s)
- Robert K Eastlack
- Department of Orthopaedic Surgery, Scripps Clinic, San Diego, CA, USA
| | | | - Kornelis A Poelstra
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA, USA
| | - Alexander R Vaccaro
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA, USA
| | - Marcus Stone
- Spine Institute of Louisiana, Shreveport, LA, USA
| | - Larry E Miller
- Miller Scientific, 3101 Browns Mill Road, Ste 6, #311, Johnson City, TN, 37604, USA.
| | | | | | - Aakash Agarwal
- Departments of Bioengineering and Orthopaedic Surgery, University of Toledo, Toledo, OH, USA
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Miller LE, Hammert WC, Chung KC. Best-Evidence Systematic Review and Meta-Analysis of Endoscopic Carpal Tunnel Release Outcomes. J Hand Surg Glob Online 2023; 5:768-773. [PMID: 38106929 PMCID: PMC10721515 DOI: 10.1016/j.jhsg.2023.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 07/15/2023] [Indexed: 12/19/2023] Open
Abstract
Purpose The aim of this systematic review and meta-analysis was to evaluate the safety and effectiveness of endoscopic carpal tunnel release (ECTR) using best-evidence synthesis methods. Methods A systematic search of multiple databases was conducted for prospective contemporary studies published between January 2013 and January 2023 with at least 50 ECTR cases. Outcomes included the Quick Disabilities of the Arm, Shoulder, and Hand Questionnaire (Q-DASH) measured on a 0-100 scale, Boston Carpal Tunnel Questionnaire Symptom Severity Scale (BCTQ-SSS) and Functional Status Scale (BCTQ-FSS) on a 1-5 scale, pain visual analog scale on a 0-10 scale, conversion to open carpal tunnel release (CTR), complications, and reoperations. Outcomes were analyzed using a random-effects meta-analysis model. Metaregression was used to determine the association of patient- and study-level factors with ECTR outcomes. Results A total of 17 studies with 1,632 patients treated with ECTR were included. Median follow-up durations ranged from 4 to 7 months depending on the outcome. Statistically significant and clinically important improvements were noted after ECTR for Q-DASH, BCTQ-SSS, BCTQ-FSS, and pain visual analog scale scores, with mean differences from baseline of -28.8, -1.8, -1.5, and -5.1, respectively (P < .001 for all). In metaregression, the strongest predictor of improvement in Q-DASH, BCTQ-SSS, and BCTQ-FSS was a greater preoperative score for that variable (all P ≤ .005), indicating that patients with worse symptoms improved the most. The risks of conversion to open CTR, complications, and revision CTR were 0.7%, 0.7%, and 0.5%, respectively. Conclusions In a best-evidence synthesis of contemporary studies, ECTR resulted in significant improvements in function and pain, with a low risk of conversion to open surgery, complications, and reoperations over short-term follow-up. Clinical relevance Patients treated with ECTR can expect generally favorable clinical outcomes over the short term. However, long-term outcomes after ECTR are not well characterized.
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Affiliation(s)
| | - Warren C. Hammert
- Department of Orthopaedic Surgery, Division of Hand Surgery, Duke University Medical Center, Durham, NC
| | - Kevin C. Chung
- University of Michigan Comprehensive Hand Center, Michigan Medicine, Ann Arbor, MI
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Chew BH, Jung HU, Emiliani E, Miller LE, Miller AL, Bhojani N. Complication Risk of Endourological Procedures: The Role of Intrarenal Pressure. Urology 2023; 181:45-47. [PMID: 37673408 DOI: 10.1016/j.urology.2023.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 08/16/2023] [Indexed: 09/08/2023]
Affiliation(s)
- Ben H Chew
- Department of Urologic Sciences, University of British Columbia, Vancouver, British Columbia, Canada.
| | - Helene U Jung
- Department of Urology, Vejle Hospital-a part of Lillebaelt Hospital, University Hospital of Southern Denmark, Vejle, Denmark
| | - Esteban Emiliani
- Department of Urology, Fundación Puigvert, Universidad Autónoma de Barcelona, Barcelona, Spain
| | | | | | - Naeem Bhojani
- Division of Urology, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
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Bhattacharyya M, Nickols-Richardson SM, Miller AL, Bhattacharyya R, Frankhauser F, Miller LE. Prevalence and Determinants of Undiagnosed Liver Steatosis and Fibrosis in a Nationally Representative Sample of US Adults. Cureus 2023; 15:e46783. [PMID: 37954822 PMCID: PMC10633855 DOI: 10.7759/cureus.46783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/10/2023] [Indexed: 11/14/2023] Open
Abstract
Background Chronic liver diseases account for approximately 1.9 million deaths globally every year and negatively affect health-related quality of life. Early detection of liver disease may enable timely treatment, potentially improving patient outcomes. This study aimed to determine the prevalence and determinants of liver steatosis and fibrosis in US adults with no previously diagnosed liver condition. Methods We conducted an observational, nationally representative, cross-sectional study using data from the National Health and Nutrition Examination Survey (NHANES) conducted from January 2017 to March 2020. Study participants were 7,391 adults aged 21 and older with no history of diagnosed liver disorders who underwent vibration-controlled transient elastography (VCTE) to determine liver steatosis and fibrosis. Controlled attenuation parameter (CAP) values between 248 and 267 dB/m were classified as mild steatosis, and those over 267 dB/m as advanced steatosis. Liver stiffness measurement (LSM) values between 7.65 and 13 kPa were classified as moderate/severe fibrosis, and those over 13 kPa as cirrhosis. Covariates included age, sex, race, body mass index (BMI), diabetes mellitus, kidney disease, smoking history, alcohol intake, alanine aminotransferase (ALT), aspartate aminotransferase (AST), physical activity, sedentary time, and sleep time. The associations of subject characteristics with liver CAP and LSM were evaluated using survey multivariable linear regression. Shapley Additive Explanations values determined the relative importance of each attribute in the model. The discriminative performance of classification models was assessed using the area under the receiver operating characteristic (AUROC) curve. Results The population prevalence of liver steatosis was 57.2% (10.2% mild; 47.0% advanced). The relative importance of covariates in predicting liver CAP was 63.1% for BMI, 10.7% for ALT, and less than 10% for the other covariates. The prevalence of significant fibrosis was 11.4% (8.3% moderate/severe fibrosis; 3.1% cirrhosis). The relative importance of covariates in predicting LSM was 67.3% for BMI and less than 10% for the other covariates. BMI alone demonstrated acceptable discriminative performance in classifying varying severities of steatosis and fibrosis (AUROC range 72%-78%) at cutoffs between 28 and 33 kg/m2. Conclusions Undiagnosed chronic liver disease based on VCTE findings is highly prevalent among US adults, particularly in obese individuals. Efforts to increase awareness about liver disease and to reconsider existing BMI thresholds for liver disease screening may be warranted.
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Affiliation(s)
| | - Sharon M Nickols-Richardson
- Food Science & Human Nutrition, Division of Nutritional Sciences, College of Agricultural, Consumer & Environmental Sciences, University of Illinois, Urbana-Champaign, Urbana, USA
| | - Anna L Miller
- Clinical Research, Miller Scientific, Johnson City, USA
| | - Ruemon Bhattacharyya
- Public Affairs and Economics, University of California Los Angeles, Los Angeles, USA
| | - Frederick Frankhauser
- Pharmaceutical Business & Administrative Sciences, Massachusetts College of Pharmacy and Health Sciences, Boston, USA
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Miller LE, Bhattacharyya R. Comment on "Probiotics Can Further Reduce Waist Circumference in Adults with Morbid Obesity after Bariatric Surgery: A Systematic Review and Meta-Analysis of Randomized Controlled Trials". Evid Based Complement Alternat Med 2023; 2023:9769310. [PMID: 37795177 PMCID: PMC10547566 DOI: 10.1155/2023/9769310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 05/22/2023] [Indexed: 10/06/2023]
Affiliation(s)
- Larry E. Miller
- Department of Biostatistics, Miller Scientific, Johnson City, TN, USA
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Miller AL, Bhattacharyya M, Bhattacharyya R, Frankhauser F, Miller LE. Determinants of life dissatisfaction among adults in the United States: A cross-sectional analysis of the National Health Interview Survey. Medicine (Baltimore) 2023; 102:e34488. [PMID: 37565865 PMCID: PMC10419356 DOI: 10.1097/md.0000000000034488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 06/22/2023] [Indexed: 08/12/2023] Open
Abstract
The number of Americans who report dissatisfaction with their quality of life has increased over the past several decades. This study investigated social- and health-related determinants of life dissatisfaction among adults in the United States (US). We conducted a cross-sectional observational study using data from the 2021 National Health Interview Survey, a nationally representative sample of adults in the US. We analyzed the association between self-reported life dissatisfaction and independent variables including demographics, family-level information, health status and conditions, functioning and disability, health insurance coverage, chronic pain, occupational variables, socioeconomic indicators, health-related behaviors, and psychological distress indicators. Survey multivariable logistic regression was used to determine the association among social- and health-related determinants and life dissatisfaction. The relative importance of each variable in the final model was determined using Shapley Additive Explanations values (0-100% scale). Among the 253.2 million civilian noninstitutionalized adults, 12.2 million (4.8%) reported life dissatisfaction. Recent psychological distress, unmarried status, poor general health, lack of social/emotional support, and lower food security were independently associated with life dissatisfaction (all P < .001). The relative importance of these variables in predicting life dissatisfaction was 39.3% for recent psychological distress, 22.2% for unmarried status, 18.3% for poor general health, 13.4% for lack of social/emotional support, and 6.9% for lower food security. Additionally, racial inequities were identified in the prevalence of these factors. Life dissatisfaction among adults in the US is associated with social- and health-related factors that are more prevalent in racial minority groups. The study findings suggest that resource prioritization should be targeted towards individuals with these factors, with particular emphasis on racial minority groups. This study aligns with US health policy initiatives and the results may help policymakers address the underlying factors contributing to life dissatisfaction among the US population.
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Affiliation(s)
- Anna L. Miller
- Department of Biostatistics, Miller Scientific, Johnson City, TN
| | | | | | - Frederick Frankhauser
- Department of Pharmaceutical Business and Administrative Sciences, Massachusetts College of Pharmacy and Health Sciences, Boston, MA
| | - Larry E. Miller
- Department of Biostatistics, Miller Scientific, Johnson City, TN
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15
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Eberlin KR, Amis BP, Berkbigler TP, Dy CJ, Fischer MD, Gluck JL, Kaplan FTD, McDonald TJ, Miller LE, Palmer A, Perry PE, Walker ME, Watt JF. Multicenter randomized trial of carpal tunnel release with ultrasound guidance versus mini-open technique. Expert Rev Med Devices 2023:1-9. [PMID: 37254502 DOI: 10.1080/17434440.2023.2218548] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
BACKGROUND Comparative studies of carpal tunnel release with ultrasound guidance (CTR-US) vs. mini-open CTR (mOCTR) are limited, prompting development of this randomized trial to compare efficacy and safety of these techniques. RESEARCH DESIGN AND METHODS Patients were randomized (2:1) to CTR-US or mOCTR, treated by experienced hand surgeons (median previous cases: 12 CTR-US; 1000 mOCTR), and followed for 3 months. RESULTS Among 149 randomized patients, 122 received CTR-US (n = 94) or mOCTR (n = 28). Mean incision length was 6 ± 2 mm in the wrist (CTR-US) vs. 22 ± 7 mm in the palm (mOCTR) (p < 0.001). Median time to return to daily activities (2 vs. 2 days; p = 0.81) and work (3 vs. 4 days; p = 0.61) were similar. Both groups reported statistically significant and clinically important improvements in Boston Carpal Tunnel Questionnaire Symptom Severity and Functional Status Scales, Numeric Pain Scale, and EuroQoL-5 Dimension 5-Level, with no statistical differences between groups. Freedom from wound sensitivity and pain favored CTR-US (61.1% vs. 17.9%; p < 0.001). Adverse event rates were low in each group (2.1% vs. 3.6%; p = 0.55). CONCLUSIONS The efficacy and safety of CTR-US were comparable to mOCTR despite less previous surgical experience with CTR-US. The choice of CTR technique should be determined by shared decision-making between patient and physician. CLINICAL TRIAL REGISTRATION www.clinicaltrials.gov identifier is NCT05405218.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Paul E Perry
- Tri-State Orthopaedic Surgeons, Newburgh, IN, USA
| | - Marc E Walker
- University of Mississippi Medical Center, Jackson, MS, USA
| | - James F Watt
- Orthopaedic Associates, Fort Walton Beach, FL, USA
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16
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Miller LE, Bhattacharyya D, Miller VM, Bhattacharyya M. Recent Trend in Artificial Intelligence-Assisted Biomedical Publishing: A Quantitative Bibliometric Analysis. Cureus 2023; 15:e39224. [PMID: 37337487 PMCID: PMC10277011 DOI: 10.7759/cureus.39224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/19/2023] [Indexed: 06/21/2023] Open
Abstract
The rapid advancements in artificial intelligence (AI) technology in recent years have led to its integration into biomedical publishing. However, the extent to which AI has contributed to developing biomedical literature is unclear. This study aimed to identify trends in AI-generated content within peer-reviewed biomedical literature. We first tested the sensitivity and specificity of commercially available AI-detection software (Originality.AI, Collingwood, Ontario, Canada). Next, we conducted a MEDLINE (Medical Literature Analysis and Retrieval System Online) search to identify randomized controlled trials with available abstracts indexed between January 2020 and March 2023. We randomly selected 30 abstracts per quarter during this period and pasted the abstracts into the AI detection software to determine the probability of AI-generated content. The software yielded 100% sensitivity, 95% specificity, and excellent overall discriminatory ability with an area under the receiving operating curve of 97.6%. Among the 390 MEDLINE-indexed abstracts included in the analysis, the prevalence with a high probability (≥ 90%) of AI-generated text increased during the study period from 21.7% to 36.7% (p=0.01) based on a chi-square test for trend. The increasing prevalence of AI-generated text during the study period was also observed in various sensitivity analyses using AI probability thresholds ranging from 50% to 99% (all p≤0.01). The results of this study suggest that the prevalence of AI-assisted publishing in peer-reviewed journals has been increasing in recent years, even before the widespread adoption of ChatGPT (OpenAI, San Francisco, California, United States) and similar tools. The extent to which natural writing characteristics of the authors, utilization of common AI-powered applications, and introduction of AI elements during the post-acceptance publication phase influence AI detection scores warrants further study.
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Bhattacharyya M, Miller VM, Bhattacharyya D, Miller LE. High Rates of Fabricated and Inaccurate References in ChatGPT-Generated Medical Content. Cureus 2023; 15:e39238. [PMID: 37337480 PMCID: PMC10277170 DOI: 10.7759/cureus.39238] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/18/2023] [Indexed: 06/21/2023] Open
Abstract
Background The availability of large language models such as Chat Generative Pre-trained Transformer (ChatGPT, OpenAI) has enabled individuals from diverse backgrounds to access medical information. However, concerns exist about the accuracy of ChatGPT responses and the references used to generate medical content. Methods This observational study investigated the authenticity and accuracy of references in medical articles generated by ChatGPT. ChatGPT-3.5 generated 30 short medical papers, each with at least three references, based on standardized prompts encompassing various topics and therapeutic areas. Reference authenticity and accuracy were verified by searching Medline, Google Scholar, and the Directory of Open Access Journals. The authenticity and accuracy of individual ChatGPT-generated reference elements were also determined. Results Overall, 115 references were generated by ChatGPT, with a mean of 3.8±1.1 per paper. Among these references, 47% were fabricated, 46% were authentic but inaccurate, and only 7% were authentic and accurate. The likelihood of fabricated references significantly differed based on prompt variations; yet the frequency of authentic and accurate references remained low in all cases. Among the seven components evaluated for each reference, an incorrect PMID number was most common, listed in 93% of papers. Incorrect volume (64%), page numbers (64%), and year of publication (60%) were the next most frequent errors. The mean number of inaccurate components was 4.3±2.8 out of seven per reference. Conclusions The findings of this study emphasize the need for caution when seeking medical information on ChatGPT since most of the references provided were found to be fabricated or inaccurate. Individuals are advised to verify medical information from reliable sources and avoid relying solely on artificial intelligence-generated content.
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Wen S, Yin A, Furlanello T, Perich MG, Miller LE, Itti L. Rapid adaptation of brain-computer interfaces to new neuronal ensembles or participants via generative modelling. Nat Biomed Eng 2023; 7:546-558. [PMID: 34795394 PMCID: PMC9114171 DOI: 10.1038/s41551-021-00811-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Accepted: 09/17/2021] [Indexed: 11/09/2022]
Abstract
For brain-computer interfaces (BCIs), obtaining sufficient training data for algorithms that map neural signals onto actions can be difficult, expensive or even impossible. Here we report the development and use of a generative model-a model that synthesizes a virtually unlimited number of new data distributions from a learned data distribution-that learns mappings between hand kinematics and the associated neural spike trains. The generative spike-train synthesizer is trained on data from one recording session with a monkey performing a reaching task and can be rapidly adapted to new sessions or monkeys by using limited additional neural data. We show that the model can be adapted to synthesize new spike trains, accelerating the training and improving the generalization of BCI decoders. The approach is fully data-driven, and hence, applicable to applications of BCIs beyond motor control.
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Affiliation(s)
- Shixian Wen
- University of Southern California, Los Angeles, CA, USA.
| | | | | | - M G Perich
- University of Geneva, Geneva, Switzerland
| | - L E Miller
- Northwestern University, Chicago, IL, USA
| | - Laurent Itti
- University of Southern California, Los Angeles, CA, USA.
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19
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Pistorio AL, Chung KC, Miller LE, Adams JE, Hammert WC. Protocol of a Multicenter Prospective Trial of Office-Based Carpal Tunnel Release With Ultrasound Guidance (ROBUST). Cureus 2023; 15:e37479. [PMID: 37056220 PMCID: PMC10092058 DOI: 10.7759/cureus.37479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/07/2023] [Indexed: 04/15/2023] Open
Abstract
Background Carpal tunnel release (CTR) is a common surgical procedure for patients with severe or refractory carpal tunnel syndrome (CTS) symptoms. Historically, CTR procedures have been performed in a hospital or an ambulatory surgery center (ASC). However, due to advancements in techniques, greater patient demand, and concerns about growing healthcare costs, there is a distinct trend toward performing CTR procedures in an office-based setting. Several small studies with limited follow-up duration have demonstrated the feasibility of CTR with ultrasound guidance (CTR-US) when performed in an office-based setting. The objective of this study is to evaluate the safety and effectiveness of office-based CTR-US in a large cohort of patients (n=140) with symptomatic CTS followed for two years post-treatment. Design and methods ROBUST is a prospective multicenter observational study in which 140 subjects at up to 12 sites in the United States will be treated with CTR-US in an office-based setting. The primary endpoint of the study is the change in the Boston Carpal Tunnel Questionnaire Symptom Severity Scale score. Secondary endpoints include time to return to normal daily activities, time to return to work among employed subjects, change in the Boston Carpal Tunnel Questionnaire Functional Status Scale score, change in the Michigan Hand Questionnaire overall and domain scores, change in the Numeric Pain Scale score, change in the EuroQoL-5 Dimension 5-Level score, global satisfaction scores, and the incidence of device or procedure-related adverse events. The primary analysis of study endpoints will occur three months post-treatment. Patient follow-up in this study will continue for two years. Conclusions A central institutional review board approved the study protocol, and a data safety monitoring board will provide study oversight. The authors plan to report study results at medical conferences and in peer-reviewed medical journals. The outcomes of ROBUST will provide physicians, patients, and payors with important safety and effectiveness data regarding the clinical utility of CTR-US when performed in an office setting.
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Affiliation(s)
- Ashley L Pistorio
- Department of Plastic Surgery, Kirk Kerkorian School of Medicine, University of Nevada, Las Vegas, USA
| | - Kevin C Chung
- Comprehensive Hand Center, Michigan Medicine, University of Michigan, Ann Arbor, USA
| | - Larry E Miller
- Department of Biostatistics, Miller Scientific, Johnson City, USA
| | - Julie E Adams
- Department of Orthopedic Surgery, University of Tennessee College of Medicine, Chattanooga, USA
| | - Warren C Hammert
- Department of Orthopedic Surgery, Division of Hand Surgery, Duke University Medical Center, Durham, USA
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20
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Miller LE, Chung KC. Determinants of return to activity and work after carpal tunnel release: a systematic review and meta-analysis. Expert Rev Med Devices 2023; 20:417-425. [PMID: 36994789 DOI: 10.1080/17434440.2023.2195549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
INTRODUCTION The determinants of time to return to activity (RTA) and return to work (RTW) after carpal tunnel release (CTR) remain unclear. METHODS We performed a systematic review of studies published from January 2000 to November 2022 involving patients treated with open (OCTR), mini-open (mOCTR), or endoscopic (ECTR) CTR and reporting RTA or RTW. The time to RTA and RTW were estimated using a random-effects meta-analysis model. Subgroup analysis and multivariable meta-regression explored sources of heterogeneity in outcomes. RESULTS A total of 7386 patients in 48 studies (63 groups) were included, with 24 groups (4541 patients) treated with OCTR, 16 groups (1085 patients) treated with mOCTR, and 23 groups (1760 patients) treated with ECTR. Among 15 studies (20 groups) reporting RTA, the mean was 13.1 days (95% CI, 9.9-16.3; I2>99%). Shorter duration of postoperative activity restriction guidance was associated with faster RTA. Among 43 studies (58 groups) reporting RTW, the mean was 23.4 days (95% CI, 21.4-25.3; I2>99%). Procedure type (mOCTR and ECTR compared to OCTR), prospective study design, and smaller proportion of patients receiving disability benefit were associated with faster RTW. CONCLUSIONS The time to RTA and RTW after CTR are highly variable and influenced by study-, patient-, and physician-specific factors.
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Affiliation(s)
- Larry E Miller
- Department of Biostatistics, Miller Scientific, Johnson City, TN, USA
| | - Kevin C Chung
- Michigan Medicine, University of Michigan Comprehensive Hand Center, Ann Arbor, MI, USA
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21
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Nunley PD, Eastlack RK, Miller LE, Poelstra KA, Cox JB, Shedden PM, Stone M. Metal-free Cortico-pedicular Device for Supplemental Fixation in Lumbar Interbody Fusion. World Neurosurg 2023; 174:4-10. [PMID: 36871655 DOI: 10.1016/j.wneu.2023.02.119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 02/23/2023] [Accepted: 02/24/2023] [Indexed: 03/06/2023]
Abstract
OBJECTIVE Pedicle screw fixation is a commonly utilized adjunct for lumbar interbody fusion, yet risks include screw malposition, pullout, loosening, neurovascular injury, and stress transfers leading to adjacent segment degeneration. This report describes the preclinical and initial clinical results of a minimally invasive, metal-free cortico-pedicular fixation device used for supplemental posterior fixation in lumbar interbody fusion. METHODS Safety of arcuate tunnel creation was evaluated in cadaveric lumbar (L1 to S1) specimens. A finite element analysis (FEA) study evaluated clinical stability of the device to pedicular screw-rod fixation at L4-L5. Preliminary clinical results were assessed by analysis of Manufacturer and User Facility Device Experience (MAUDE) database complications, and 6-month outcomes in 13 patients treated with the device. RESULTS Among 35 curved drill holes in 5 lumbar specimens, no breaches of the anterior cortex were identified. The mean minimum distance from the anterior surface of the hole to the spinal canal ranged from 5.1 mm at L1-L2 to 9.8 mm at L5-S1. In the FEA study, the PEEK strap provided comparable clinical stability and reduced anterior stress shielding compared to the conventional screw-rod construct. The MAUDE database identified one device fracture with no clinical sequelae among 227 procedures. Initial clinical experience showed a 53% decrease in pain severity (p=0.009), a 50% decrease in Oswestry Disability Index (p<0.001), and no device-related complications. CONCLUSIONS Cortico-pedicular fixation is a safe and reproducible procedure that may address limitations of pedicle screw fixation. Longer term clinical data in large clinical studies are recommended to confirm these promising early results.
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Affiliation(s)
| | - Robert K Eastlack
- Department of Orthopaedic Surgery, Scripps Clinic, San Diego, CA, United States
| | | | - Kornelis A Poelstra
- The Robotic Spine Institute of Las Vegas at Nevada Spine Clinic, Las Vegas, NV, United States
| | - J Bridger Cox
- Neuroscience Specialists, Oklahoma City, OK, United States
| | - Peter M Shedden
- Greater Houston Neurosurgery Center, The Woodlands, TX, United States
| | - Marcus Stone
- Spine Institute of Louisiana, Shreveport, LA, United States
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Taslakian B, Miller LE, Mabud TS, Macaulay W, Samuels J, Attur M, Alaia EF, Kijowski R, Hickey R, Sista AK. Genicular artery embolization for treatment of knee osteoarthritis pain: Systematic review and meta-analysis. Osteoarthr Cartil Open 2023; 5:100342. [PMID: 36865988 PMCID: PMC9971280 DOI: 10.1016/j.ocarto.2023.100342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 01/30/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023] Open
Abstract
Objective Genicular artery embolization (GAE) is a novel, minimally invasive procedure for treatment of knee osteoarthritis (OA). This meta-analysis investigated the safety and effectiveness of this procedure. Design Outcomes of this systematic review with meta-analysis were technical success, knee pain visual analog scale (VAS; 0-100 scale), WOMAC Total Score (0-100 scale), retreatment rate, and adverse events. Continuous outcomes were calculated as the weighted mean difference (WMD) versus baseline. Minimal clinically important difference (MCID) and substantial clinical benefit (SCB) rates were estimated in Monte Carlo simulations. Rates of total knee replacement and repeat GAE were calculated using life-table methods. Results In 10 groups (9 studies; 270 patients; 339 knees), GAE technical success was 99.7%. Over 12 months, the WMD ranged from -34 to -39 at each follow-up for VAS score and -28 to -34 for WOMAC Total score (all p < 0.001). At 12 months, 78% met the MCID for VAS score; 92% met the MCID for WOMAC Total score, and 78% met the SCB for WOMAC Total score. Higher baseline knee pain severity was associated with greater improvements in knee pain. Over 2 years, 5.2% of patients underwent total knee replacement and 8.3% received repeat GAE. Adverse events were minor, with transient skin discoloration as the most common (11.6%). Conclusions Limited evidence suggests that GAE is a safe procedure that confers improvement in knee OA symptoms at established MCID thresholds. Patients with greater knee pain severity may be more responsive to GAE.
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Affiliation(s)
- Bedros Taslakian
- Division of Vascular and Interventional Radiology, Department of Radiology, NYU Langone Health, New York, NY, United States,Corresponding author. Clinical assistant Professor of Radiology, NYU Grossman School of Medicine; Director of VIR Research Program, Interventional Radiology Section; Director of Clinical Research Integration, Department of Radiology, NYU Langone Health, New York, NY, United States.
| | | | - Tarub S. Mabud
- Division of Vascular and Interventional Radiology, Department of Radiology, NYU Langone Health, New York, NY, United States
| | - William Macaulay
- Division of Adult Reconstruction, Department of Orthopedic Surgery, NYU Langone Health, New York, NY, United States
| | - Jonathan Samuels
- Division of Rheumatology, Department of Medicine, NYU Langone Health, New York, NY, United States
| | - Mukundan Attur
- Division of Rheumatology, Department of Medicine, NYU Langone Health, New York, NY, United States
| | - Erin F. Alaia
- Division of Musculoskeletal Radiology, Department of Radiology, NYU Langone Health, New York, NY, United States
| | - Richard Kijowski
- Division of Musculoskeletal Radiology, Department of Radiology, NYU Langone Health, New York, NY, United States
| | - Ryan Hickey
- Division of Vascular and Interventional Radiology, Department of Radiology, NYU Langone Health, New York, NY, United States
| | - Akhilesh K. Sista
- Division of Vascular and Interventional Radiology, Department of Radiology, Weill Cornell Medicine, New York, NY, United States
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Eberlin KR, Dy CJ, Fischer MD, Gluck JL, Kaplan FTD, McDonald TJ, Miller LE, Palmer A, Walker ME, Watt JF. Trial of ultrasound guided carpal tunnel release versus traditional open release (TUTOR). Medicine (Baltimore) 2022; 101:e30775. [PMID: 36254038 PMCID: PMC9575820 DOI: 10.1097/md.0000000000030775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Carpal tunnel release (CTR) is a surgical treatment option for patients with carpal tunnel syndrome (CTS) symptoms that are unresponsive to conservative treatment. Most patients experience symptomatic relief after CTR regardless of the surgical technique. However, direct comparisons of the safety and effectiveness between CTR surgical techniques are limited. The purpose of this randomized controlled trial is to compare the safety and effectiveness of CTR with ultrasound guidance (CTR-US) versus mini-open CTR (mOCTR) in subjects with symptomatic CTS. DESIGN AND METHODS TUTOR (Trial of Ultrasound guided CTR versus Traditional Open Release) is a randomized controlled trial in which 120 subjects at up to 12 sites in the United States will be randomized (2:1) to receive CTR-US or mOCTR. The primary endpoint of the study is the percentage of patients who return to normal daily activities within 3 days of the procedure. Secondary endpoints of the study are median time to return to normal daily activities, percentage of patients who return to work within 3 days of the procedure, median time to return to work, Boston Carpal Tunnel Questionnaire Symptom Severity Scale (BCTQ-SSS) change score at 3 months, BCTQ Functional Status Scale (BCTQ-FSS) change score at 3 months, Numeric Pain Scale change score at 3 months, EuroQoL-5 Dimension 5-Level (EQ-5D-5L) change score at 3 months, and the incidence of device- or procedure-related adverse events at 3 months. Patient follow-up in this trial will continue for 1 year. ETHICS AND DISSEMINATION This study was approved by a central institutional review board and ongoing trial oversight will be provided by a data safety monitoring board (DSMB). The authors intend to report the results of this trial at medical conferences and peer-reviewed journals. The outcomes of TUTOR will have important clinical and economic implications for all stakeholders involved in treating patients with CTS. STUDY REGISTRATION ClinicalTrials.gov (https://clinicaltrials.gov): NCT05405218. LEVEL OF EVIDENCE 1.
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Affiliation(s)
| | | | | | | | | | | | - Larry E. Miller
- Miller Scientific, Johnson City, TN, USA
- *Correspondence: Larry E. Miller, Miller Scientific, 3101 Browns Mill Road, Ste 6, #311, Johnson City, TN 37604, USA (e-mail: )
| | | | - Marc E. Walker
- University of Mississippi Medical Center, Jackson, MS, USA
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Miller LE, Khera M, Bhattacharyya S, Patel M, Nitschelm K, Burnett AL. Long-term Survival Rates of Inflatable Penile Prostheses: Systematic Review and Meta-Analysis. Urology 2022; 166:6-10. [DOI: 10.1016/j.urology.2022.03.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 03/08/2022] [Accepted: 03/29/2022] [Indexed: 11/27/2022]
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Abstract
OBJECTIVES To report outcomes of patients who underwent carpal tunnel release with ultrasound guidance (CTR-US) in routine clinical practice. METHODS This was a multicenter post-market registry of patients treated with CTR-US. Main outcomes included the Quick Disabilities of Arm, Shoulder, and Hand Questionnaire (QDASH), Boston Carpal Tunnel Questionnaire Symptom Severity Scale (BCTQ-SSS) and Functional Status Scale (BCTQ-FSS), return to normal activities, return to work, and complications. RESULTS Of 535 patients who provided follow-up data, 373 (70%) were followed for 6 months post-treatment. Among these 373 patients (427 hands, mean age 55 years, 71% female), QDASH scores decreased by 30.8 points, BCTQ-SSS scores decreased by 1.6 points, and BCTQ-FSS scores decreased by 1.0 points at 6 months (all p<0.001). The median time to return to normal activities was 3 days and time to return to work was 5 days. Subgroup analysis revealed consistent outcomes regardless of age group, sex, body mass index, diabetes, tobacco use, worker compensation status, or procedure type (unilateral/bilateral simultaneous). No major neurovascular complications were reported. CONCLUSION Patients treated with CTR-US reported clinically meaningful improvements in symptoms and function, rapid return to normal activities, and minimal work absenteeism, with an excellent safety profile.
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Affiliation(s)
- John R Fowler
- University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Kevin C Chung
- University of Michigan Comprehensive Hand Center, The University of Michigan Health System, Ann Arbor, MI, USA
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Rojanasarot S, Cutone B, Bhattacharyya S, DeRouen K, Miller LE. Long-Term Risk of Surgery Following First Diagnosis of Benign Prostatic Hyperplasia in Middle-Aged Men. Cureus 2022; 14:e20961. [PMID: 35154940 PMCID: PMC8815443 DOI: 10.7759/cureus.20961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/05/2022] [Indexed: 11/05/2022] Open
Abstract
Objective Pharmacotherapy is often used to relieve lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH), yet surgery may be indicated for persistent bothersome symptoms. BPH is common among older men, yet the burden of BPH among middle-aged men may be under-recognized. This study examined the 5-year risk of BPH surgery among middle-aged men following the first BPH diagnosis. Methods Using the IBM MarketScan Commercial Claims and Encounters Database, males aged 35 to 64 years with a first-time primary diagnosis of BPH who were prescribed oral medication for LUTS were identified. The primary outcome was the risk of BPH surgery within five years of the first BPH diagnosis, which was analyzed using Kaplan-Meier methods. The influence of patient demographics, comorbidities, and medication use on the risk of BPH surgery was explored using a Cox proportional hazards model. Results Four thousand five hundred ten eligible men, 460 underwent BPH surgery within five years of BPH diagnosis. The most common surgical procedures were transurethral resection of the prostate and laser enucleation. The risk of BPH surgery over five years following BPH diagnosis was 10.2% (95% CI: 9.4% to 11.1%). In a multivariable Cox proportional hazards regression analysis, patient age was the primary factor associated with higher surgery risk. Compared to men aged 35 to 44 years, the hazard ratio for BPH surgery was 3.9 (95% CI: 1.9 to 8.4; p<0.001) among men aged 45 to 54 years, and 5.0 (95% CI: 2.4 to 10.6; p<0.001) among men aged 55 to 64 years. Conclusions In middle-aged men prescribed oral medication for LUTS secondary to BPH, the risk of BPH surgery was 10.2% over five years. This risk may be underappreciated and highlights the clinical need for surgical procedures with favorable risk-to-benefit profiles.
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Payne HA, Pinkawa M, Peedell C, Bhattacharyya SK, Woodward E, Miller LE. SpaceOAR hydrogel spacer injection prior to stereotactic body radiation therapy for men with localized prostate cancer: A systematic review. Medicine (Baltimore) 2021; 100:e28111. [PMID: 34889268 PMCID: PMC8663810 DOI: 10.1097/md.0000000000028111] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 10/14/2021] [Accepted: 11/16/2021] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Conventionally fractionated radiotherapy is a common treatment for men with localized prostate cancer. A growing consensus suggests that stereotactic body radiation therapy (SBRT) is similarly effective but less costly and more convenient for patients. The SpaceOAR hydrogel rectal spacer placed between the prostate and rectum reduces radiation-induced rectal injury in patients receiving conventionally fractionated radiotherapy, but spacer efficacy with SBRT is unclear. The purpose of this research was to assess the clinical utility of the hydrogel rectal spacer in men receiving SBRT for prostate cancer. METHODS We performed systematic searches of Medline, Embase, and the Cochrane Central Register of Controlled Trials for studies in men who received the SpaceOAR hydrogel spacer prior to SBRT (≥5.0 Gy fractions) for treatment of localized prostate center. Rectal irradiation results were compared to controls without spacer implant; all other outcomes were reported descriptively owing to lack of comparative data incuding perirectal separation distance, rectal irradiation on a dosimetric curve, gastrointestinal (GI) toxicity, and freedom from biochemical failure. GI toxicity was reported as the risk of a grade 2 or 3+ bowel complication in early (≤3 months) and late (>3 months) follow-up. RESULTS In 11 studies with 780 patients, SBRT protocols ranged from 7 to 10 Gy per fraction with total dose ranging from 19 to 45 Gy. Perirectal distance achieved with the rectal spacer ranged from 9.6 to 14.5 mm (median 10.8 mm). Compared to controls receiving no spacer, SpaceOAR placement reduced the radiation delivered to the rectum by 29% to 56% across a dosimetric profile curve. In early follow-up, grade 2 GI complications were reported in 7.0% of patients and no early grade 3+ GI complications were reported. In late follow-up, the corresponding rates were 2.3% for grade 2 and 0.3% for grade 3 GI toxicity. Over 16 months median follow-up, freedom from biochemical failure ranged from 96.4% to 100% (pooled mean 97.4%). CONCLUSIONS SpaceOAR hydrogel spacer placed between the prostate and rectum prior to SBRT is a promising preventative strategy that increases the distance between the prostate and rectum, reduces rectal radiation exposure, and may lower the risk of clinically important GI complications.
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Affiliation(s)
- Heather A. Payne
- Oncology Department, University College London Hospital, London, UK
| | - Michael Pinkawa
- Department of Radiation Oncology, MediClin Robert Janker Klinik, Bonn, Germany
| | | | | | | | - Larry E. Miller
- Department of Biostatistics, Miller Scientific, Johnson City, TN
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Nunley P, Strenge KB, Huntsman K, Bae H, DiPaola C, T AR, Shaw A, Sasso RC, Araghi A, Staub B, Chen S, Miller LE, Musacchio M. Lumbar Discectomy With Barricaid Device Implantation in Patients at High Risk of Reherniation: Initial Results From a Postmarket Study
. Cureus 2021; 13:e20274. [PMID: 35018268 PMCID: PMC8741419 DOI: 10.7759/cureus.20274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/08/2021] [Indexed: 11/05/2022] Open
Abstract
Background Patients with large defects in the annulus fibrosus following lumbar discectomy have high rates of symptomatic reherniation and reoperation. An FDA randomized controlled trial (RCT) with a bone-anchored device (Barricaid, Intrinsic Therapeutics, Woburn, MA) that occludes the annular defect reported significantly lower risk of symptomatic reherniation and reoperation compared to patients receiving discectomy only. However, results of the Barricaid device in real-world use remain limited. Methods This was a post-market study to determine the real-world outcomes of the Barricaid device when used in addition to primary lumbar discectomy in patients with large annular defects. Main outcomes included leg pain severity, Oswestry Disability Index (ODI), adverse events, symptomatic reherniation, and reoperation. Imaging studies were read by an independent imaging core laboratory. This paper reports the initial three-month primary endpoint results from the trial; one-year patient follow-up is ongoing. Results Among 55 patients (mean age 41±13 years, 60% male), the mean percent reduction in leg pain severity was 92%, and the mean percent reduction in ODI score was 79%. The three-month rate of symptomatic reherniation was 3.6% and the rate of reoperation was 1.8%. The serious adverse event rate was 5.5%; no device migrations or fractures were observed. Conclusion Among patients with large annular defects following lumbar discectomy treated with the Barricaid device in real-world conditions, early results demonstrated clinically meaningful improvements in patient symptoms and low rates of symptomatic reherniation, reoperation, and complications, which were comparable to those observed with the device in an FDA-regulated trial.
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Thomé C, Kuršumović A, Klassen PD, Bouma GJ, Bostelmann R, Martens F, Barth M, Arts M, Miller LE, Vajkoczy P, Hes R, Eustacchio S, Nanda D, Köhler HP, Brenke C, Flüh C, Van de Kelft E, Assaker R, Kienzler JC, Fandino J. Effectiveness of an Annular Closure Device to Prevent Recurrent Lumbar Disc Herniation: A Secondary Analysis With 5 Years of Follow-up. JAMA Netw Open 2021; 4:e2136809. [PMID: 34882183 PMCID: PMC8662371 DOI: 10.1001/jamanetworkopen.2021.36809] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
IMPORTANCE Patients with large annular defects following lumbar microdiscectomy for disc herniation are at increased risk for symptomatic recurrence and reoperation. OBJECTIVE To determine whether a bone-anchored annular closure device in addition to lumbar microdiscectomy resulted in lower reherniation and reoperation rates vs lumbar microdiscectomy alone. DESIGN, SETTING, AND PARTICIPANTS This secondary analysis of a multicenter randomized clinical trial reports 5-year follow-up for enrolled patients between December 2010 and October 2014 at 21 clinical sites. Patients in this study had a large annular defect (6-10 mm width) following lumbar microdiscectomy for treatment of lumbar disc herniation. Statistical analysis was performed from November to December 2020. INTERVENTIONS Lumbar microdiscectomy with additional bone-anchored annular closure device (device group) or lumbar microdiscectomy only (control group). MAIN OUTCOMES AND MEASURES The incidence of symptomatic reherniation, reoperation, and adverse events as well as changes in leg pain, Oswestry Disability Index, and health-related quality of life when comparing the device and control groups over 5 years of follow-up. RESULTS Among 554 randomized participants (mean [SD] age: 43 [11] years; 327 [59%] were men), 550 were included in the modified intent-to-treat efficacy population (device group: n = 272; 270 [99%] were White); control group: n = 278; 273 [98%] were White) and 550 were included in the as-treated safety population (device group: n = 267; control group: n = 283). The risk of symptomatic reherniation (18.8% [SE, 2.5%] vs 31.6% [SE, 2.9%]; P < .001) and reoperation (16.0% [SE, 2.3%] vs 22.6% [SE, 2.6%]; P = .03) was lower in the device group. There were 53 reoperations in 40 patients in the device group and 82 reoperations in 58 patients in the control group. Scores for leg pain severity, Oswestry Disability Index, and health-related quality of life significantly improved over 5 years of follow-up with no clinically relevant differences between groups. The frequency of serious adverse events was comparable between the treatment groups. Serious adverse events associated with the device or procedure were less frequent in the device group (12.0% vs 20.5%; difference, -8.5%; 95% CI, -14.6% to -2.3%; P = .008). CONCLUSIONS AND RELEVANCE In patients who are at high risk of recurrent herniation following lumbar microdiscectomy owing to a large defect in the annulus fibrosus, this study's findings suggest that annular closure with a bone-anchored implant lowers the risk of symptomatic recurrence and reoperation over 5 years of follow-up. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT01283438.
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Affiliation(s)
- Claudius Thomé
- Department of Neurosurgery, Medical University Innsbruck, Innsbruck, Austria
| | - Adisa Kuršumović
- Department of Neurosurgery, Donauisar Klinikum Deggendorf, Deggendorf, Germany
| | | | - Gerrit J. Bouma
- Department of Neurosurgery, OLVG-West and Academic Medical Center, Amsterdam, the Netherlands
| | - Richard Bostelmann
- Department of Neurosurgery, University Hospital Düsseldorf, Düsseldorf, Germany
| | | | - Martin Barth
- Department of Neurosurgery, University Hospital Bochum, Bochum, Germany
| | - Mark Arts
- Department of Neurosurgery, HMC Westeinde, Den Hague, the Netherlands
| | | | - Peter Vajkoczy
- Department of Neurosurgery, Charité Universitätsmedizin, Berlin, Germany
| | - Robert Hes
- Department of Neurosurgery, AZ Klina, Brasschaat, Belgium
| | | | - Dharmin Nanda
- Department of Neurosurgery, Isala Klinieken, Zwolle, the Netherlands
| | - Hans-Peter Köhler
- Department of Neurosurgery, Asklepios Westklinikum Hamburg, Hamburg, Germany
| | | | - Charlotte Flüh
- Department of Neurosurgery, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Erik Van de Kelft
- Department of Neurosurgery, AZ Nikolaas, Sint-Niklaas, Belgium & Faculty of Medicine and Health Sciences, Antwerp University, Wilrijk, Belgium
| | - Richard Assaker
- Department of Neurosurgery, Centre Hospitalier Régional Universitaire de Lille, Lille, France
| | | | - Javier Fandino
- Department of Neurosurgery, Kantonsspital Aarau, Aarau, Switzerland
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Miller LE, Bhattacharyya S, Parrish WR, Fredericson M, Bisson B, Altman RD. Safety of Intra-Articular Hyaluronic Acid for Knee Osteoarthritis: Systematic Review and Meta-Analysis of Randomized Trials Involving More than 8,000 Patients. Cartilage 2021; 13:351S-363S. [PMID: 31735075 PMCID: PMC8808790 DOI: 10.1177/1947603519888783] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
OBJECTIVE The objective of this systematic review and meta-analysis was to report the safety of intra-articular hyaluronic acid (IAHA) in patients with symptomatic knee osteoarthritis (OA). METHODS We identified randomized controlled trials reporting the safety of IAHA versus IA saline in adults with symptomatic knee OA. Main safety outcomes were adverse events (AEs), local AEs, serious adverse events (SAEs), study withdrawals, and AE-related study withdrawals. RESULTS A total of 35 randomized controlled trials with 38 group comparisons comprising 8,078 unique patients (IAHA: 4,295, IA saline: 3,783) were included in the meta-analysis. Comparing IAHA with IA saline over a median of 6 months follow-up, there were no differences in the risk of AEs (42.4% vs. 39.7%, risk ratio [RR] = 1.01, 95% CI = 0.96-1.07, P = 0.61), SAEs (1.8% vs. 1.2%, RR = 1.44, 95% CI = 0.91-2.26, P=0.12), study withdrawals (12.3% vs. 12.7%, RR = 0.99, 95% CI = 0.87-1.12, P = 0.83), or AE-related study withdrawals (2.7% vs. 2.1%, RR = 1.37, 95% CI = 0.97-1.93, P = 0.08). Local AEs, all of which were nonserious, were more common with IAHA vs. IA saline (14.5% vs. 11.7%, RR = 1.21, 95% CI = 1.07-1.36, P = 0.003) and typically resolved within days. CONCLUSION IAHA was shown to be safe for use in patients with symptomatic knee OA. Compared with IA saline, IAHA is associated with an increased risk of nonserious, transient local reactions. There was no evidence to suggest any additional safety risks of IAHA.
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Affiliation(s)
| | | | | | - Michael Fredericson
- Department of Orthopaedic Surgery,
Division of Physical Medicine and Rehabilitation, Stanford University Medical
School, Stanford, CA, USA
| | | | - Roy D. Altman
- Division of Rheumatology and Immunology,
David Geffen School of Medicine, University of California at Los Angeles, Los
Angeles, CA, USA
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Moore F, Grunch BH, Miller LE, Musacchio MJ. Towards a More Simplified Approach for Evaluating Strength of Evidence in Health Technology Assessments. Cureus 2021; 13:e16528. [PMID: 34430138 PMCID: PMC8378323 DOI: 10.7759/cureus.16528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/21/2021] [Indexed: 11/05/2022] Open
Abstract
It is imperative to thoroughly evaluate the safety, effectiveness, and cost-utility of a new medical device prior to the widespread adoption of the technology. Health technology assessment (HTA) is a systematic evaluation of the benefits and harms of a health technology that aims to inform healthcare policy decisions, improve utilization of cost-effective new technologies, and prevent the adoption of devices with harmful or doubtful value for the health system. Even though dozens of organizations perform HTAs, there is no universally accepted criterion for conducting, reporting, and deriving conclusions from an HTA. Thus, there are considerable discrepancies in the methodologies among HTAs such that the same device with the same underlying clinical evidence is often endorsed by one agency but not another, leading to inconsistencies in healthcare coverage policy decisions. Here, we propose a more simplified and unified approach for summarizing clinical effectiveness and safety outcomes for HTAs. We developed a short, semi-quantitative scoring tool that can be used to provide an overall evaluation of evidence strength in HTAs consisting of five categories: (a) the number of randomized controlled trials (RCTs) that have been performed using the technology, (b) the risk of bias among RCTs, (c) the effect size observed for the key effectiveness outcome, (d) the effect size observed for the key safety outcome, and (e) the generalizability of outcomes observed in RCTs to those observed in real-world clinical use. Utilization of this simplified semi-quantitative framework may simplify the HTA process and improve the consistency of the resulting recommendations.
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Affiliation(s)
- Frederick Moore
- Orthopedics, Southeast Orthopedic Specialists, Jacksonville, USA
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Giannella M, Pankey GA, Pascale R, Miller VM, Miller LE, Seitz T. Antimicrobial and resource utilization with T2 magnetic resonance for rapid diagnosis of bloodstream infections: systematic review with meta-analysis of controlled studies. Expert Rev Med Devices 2021; 18:473-482. [PMID: 33863237 DOI: 10.1080/17434440.2021.1919508] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Objectives: To compare antimicrobial and resource utilization with T2 Magnetic Resonance (T2MR) versus blood culture (BC) in patients with suspected bloodstream infection.Methods: We systematically searched MEDLINE, EMBASE, and CENTRAL for randomized trials or observational controlled studies of patients with suspected bloodstream infection receiving a diagnosis with T2MR or BC. Using an inverse variance meta-analysis model, we reported mortality using the risk ratio (RR) and the remaining outcomes as the mean difference (MD).Results: Fourteen studies were included in the meta-analysis. Time to detection (MD = -81 hours; p < 0.001) and time to species identification (MD = -77 hours; p < 0.001) were faster with T2MR. Patients testing positive on T2MR received targeted antimicrobial therapy faster (-42 hours; p < 0.001) and patients testing negative on T2MR were de-escalated from empirical therapy faster (-7 hours; p = 0.02) vs. BC. Length of intensive care unit stay (MD = -5.0 days; p = 0.03) and hospital stay (MD = -4.8 days; p = 0.03) were shorter with T2MR. Mortality rates were comparable between T2MR and BC (28.9% vs. 29.9%, RR = 1.02, p = 0.86).Conclusion: Utilization of T2MR for identification of bloodstream pathogens provides faster time to detection, faster transition to targeted microbial therapy, faster de-escalation of empirical therapy, shorter ICU and hospital stay, and with comparable mortality rate versus BC.
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Affiliation(s)
- Maddalena Giannella
- Infectious Diseases Unit, Department of Medical and Surgical Sciences, Sant'Orsola-Malpighi Polyclinic, University of Bologna, Bologna, Italy
| | - George A Pankey
- Infectious Disease Translational Research, Ochsner Clinic Foundation, New Orleans, LA, United States
| | - Renato Pascale
- Infectious Diseases Unit, Department of Medical and Surgical Sciences, Sant'Orsola-Malpighi Polyclinic, University of Bologna, Bologna, Italy
| | - Valerie M Miller
- Department of Biostatistics, Miller Scientific, Johnson City, TN, United States
| | - Larry E Miller
- Department of Biostatistics, Miller Scientific, Johnson City, TN, United States
| | - Tamara Seitz
- Department of Medicine IV, Clinic Favoriten, Vienna Healthcare Group, Vienna, Austria
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Bhojani N, Miller LE, Bhattacharyya S, Cutone B, Chew BH. Risk Factors for Urosepsis After Ureteroscopy for Stone Disease: A Systematic Review with Meta-Analysis. J Endourol 2021; 35:991-1000. [PMID: 33544019 DOI: 10.1089/end.2020.1133] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Introduction: Urosepsis is a serious potential complication of ureteroscopic procedures for stone disease, yet the risk factors for this complication are not well characterized. The purpose of this systematic review with meta-analysis was to identify potential risk factors for urosepsis after ureteroscopy (URS) for stone disease. Materials and Methods: We performed systematic searches of Medline, Embase, and the Cochrane Central Register of Controlled Trials for studies reporting at least one prospectively defined risk factor for urosepsis after URS. Studies that only reported rates of isolated fever, urinary tract infection (UTI), or pooled infectious complications were excluded. The risk factors evaluated in this review were age, sex, body mass index, diabetes mellitus, ischemic heart disease, recent UTI, pyuria, hydronephrosis, stone history, stone size, preoperative stent placement, preoperative positive urine culture, and procedure time. A random effects meta-analysis model with inverse variance weighting was used where the statistic of interest was the odds ratio for dichotomous variables and the mean difference for continuous outcomes. Results: In 13 studies (5 prospective) with 5597 patients, the pooled incidence of postoperative urosepsis was 5.0% (95% confidence interval: 2.4-8.2). Six risk factors were statistically associated with increased postoperative urosepsis risk-preoperative stent placement (odds ratio = 3.94, p < 0.001, 6 studies), positive preoperative urine culture (odds ratio = 3.56, p < 0.001, 6 studies), ischemic heart disease (odds ratio = 2.49, p = 0.002, 2 studies), older age (mean difference = 2.7 years, p = 0.002, 6 studies), longer procedure time (mean difference = 9 minutes, p = 0.02, 1 study), and diabetes mellitus (odds ratio = 2.04, p = 0.04, 6 studies). Conclusions: Current evidence suggests that among patients undergoing URS for treatment of stone disease, the risk of postoperative urosepsis was 5.0%. Older age, diabetes mellitus, ischemic heart disease, preoperative stent placement, a positive urine culture, and longer procedure time were associated with increased postoperative urosepsis risk. These results will assist urologists with preoperative risk stratification before ureteroscopic procedures.
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Affiliation(s)
- Naeem Bhojani
- Division of Urology, Centre Hospitalier de l'Université de Montréal, Montréal, Canada
| | - Larry E Miller
- Department of Biostatistics, Miller Scientific, Johnson City, Tennessee, USA
| | - Samir Bhattacharyya
- Health Economics and Market Access, Boston Scientific, Marlborough, Massachusetts, USA
| | - Ben Cutone
- Health Economics and Market Access, Boston Scientific, Marlborough, Massachusetts, USA
| | - Ben H Chew
- Department of Urologic Sciences, University of British Columbia, Vancouver, Canada
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McVary KT, Chughtai B, Miller LE, Bhattacharyya SK, Dornbier RA, Elterman DS. Putting Patients Ahead by Leaving Nothing Behind: An Emerging Treatment Paradigm in Minimally Invasive Surgical Therapy for Benign Prostatic Hyperplasia. Med Devices (Auckl) 2021; 14:59-64. [PMID: 33654438 PMCID: PMC7910112 DOI: 10.2147/mder.s265237] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 12/03/2020] [Indexed: 01/08/2023] Open
Abstract
Lower urinary tract symptoms (LUTS) secondary to benign prostatic hyperplasia (BPH) are highly prevalent in older men. The long-term clinical utility of lifestyle modification and oral medications for LUTS is limited. There is a great clinical need for safe, effective, and durable BPH therapies for men who unsuccessfully attempt conservative measures. Enthusiasm for transurethral resection of the prostate has declined due to surgical risk, high rates of postoperative sexual dysfunction, and the perceived invasive nature therein. Consequently, interest has grown in developing minimally invasive surgical treatments (MISTs) that are efficacious but with a more favorable risk profile in order to better align with patient preferences. This review evaluates currently available MISTs for BPH. Further, we critically examine a “Leave Nothing Behind” philosophy in MIST for BPH since implantation of permanent metallic devices may be associated with increased long-term failure rates.
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Affiliation(s)
- Kevin T McVary
- Center for Male Health, Department of Urology, Stritch School of Medicine, Loyola University Medical Center, Maywood, IL, USA
| | - Bilal Chughtai
- Department of Urology, Department of Obstetrics and Gynecology, Weill Cornell Medicine, New York, NY, USA
| | - Larry E Miller
- Department of Biostatistics, Miller Scientific, Johnson City, TN, USA
| | | | - Ryan A Dornbier
- Center for Male Health, Department of Urology, Stritch School of Medicine, Loyola University Medical Center, Maywood, IL, USA
| | - Dean S Elterman
- Division of Urology, University Health Network, Toronto, ON, Canada
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Abstract
BACKGROUND The mortality rate associated with Covid-19 varies considerably among studies and determinants of this variability are not well characterized. METHODS A systematic review of peer-reviewed literature published through March 31, 2020 was performed to estimate the mortality rate among hospitalized patients in China with a confirmed diagnosis of Covid-19. Hospital mortality rates were estimated using an inverse variance-weighted random-effects meta-analysis model. Funnel plot symmetry was evaluated for small-study effects, a one-study removed sensitivity analysis assessed the influence of individual studies on the pooled mortality rate, and metaregression assessed the association of potential confounding variables with mortality rates. RESULTS The review included 16 observational studies involving 1832 hospitalized patients with a diagnosis of Covid-19. The surveillance period among studies ranged from December 16, 2019 to February 23, 2020. The median patient age was 53 years and 53% were males. A total of 38.5% of patients presented with at least 1 comorbidity, most commonly hypertension (24.0%), cardiac disease (15.1%), and diabetes mellitus (14.4%). Fever and cough, reported in 84.8% and 61.7% of patients respectively, were the most common patient symptoms. The pooled mortality rate was 9.9% (95% confidence interval 6.1% to 14.5%). Funnel plot asymmetry was not observed and the meta-analysis results were not substantially influenced by any single study since the pooled mortality rate ranged from 8.9% to 11.1% following iterative removal of one study at a time. Substantial heterogeneity in the mortality rate was identified among studies (I = 87%; P < .001). In a metaregression that included demographics, patient risk factors, and presenting symptoms, only a higher prevalence of diabetes mellitus was associated with a higher mortality rate (P = .03). CONCLUSIONS In a meta-analysis of hospitalized patients in China with a diagnosis of Covid-19, the mortality rate was 9.9% and a higher diabetes mellitus prevalence was independently associated with a worse prognosis. The independent influence of diabetes mellitus with Covid-19 mortality should be viewed as hypothesis-generating and warrants further study.
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Babayan RK, Steinberg ML, Miller LE. Re: Aminsharifi et al., Major Complications and Adverse Events Related to the Injection of the SpaceOAR Hydrogel System Before Radiotherapy for Prostate Cancer: Review of the Manufacturer and User Facility Device Experience Database (From: Aminsharifi A, Kotamarti S, Silver D, et al., J Endourol 2019;33:868-871; DOI: 10.1089/end.2019.0431). J Endourol 2020; 34:240-241. [PMID: 31914809 PMCID: PMC7047105 DOI: 10.1089/end.2019.0742] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Richard K Babayan
- Department of Urology, Boston University School of Medicine/Boston Medical Center, Boston, Massachusetts
| | - Michael L Steinberg
- Department of Radiation Oncology, David Geffen School of Medicine at UCLA, Los Angeles, California
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Miller LE, Bhattacharyya R, Miller AL. Data regarding country-specific variability in Covid-19 prevalence, incidence, and case fatality rate. Data Brief 2020; 32:106276. [PMID: 32984469 PMCID: PMC7495013 DOI: 10.1016/j.dib.2020.106276] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 08/20/2020] [Accepted: 08/31/2020] [Indexed: 11/29/2022] Open
Abstract
This article contains data on country-specific variability in Covid-19 prevalence, incidence, and case fatality rate among the 238 countries globally. We used the World Health Organization worldwide Covid-19 tracking site to determine the number of confirmed Covid-19 cases, the number of fatalities attributed to Covid-19, and the case fatality rate for each of 238 countries. Using data from the United Nations Department of Economic and Social Affairs, we extracted key country-specific metrics with potential associations with Covid-19 including total population, land area, population density, percentage of residents living in urban areas, and median age. We extracted country-specific economic indicators from The World Bank Group Open Data database. All data were extracted on August 15, 2020. We developed consolidated data sets and calculated the country-specific point prevalence and incidence of Covid-19 and associated deaths. These data are associated with the article “Spatial Analysis of Global Variability in Covid-19 Burden”. Data are stored in a comma separated value format and can be downloaded from the Data in Brief website.
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Affiliation(s)
- Larry E Miller
- Department of Biostatistics, Miller Scientific, 3101 Browns Mill Road, Ste 6, #311, Johnson City 37604, TN, USA
| | - Ruemon Bhattacharyya
- Department of Biostatistics, Miller Scientific, 3101 Browns Mill Road, Ste 6, #311, Johnson City 37604, TN, USA
| | - Anna L Miller
- Department of Biostatistics, Miller Scientific, 3101 Browns Mill Road, Ste 6, #311, Johnson City 37604, TN, USA
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Miller LE, Chughtai B, McVary K, Gonzalez RR, Rojanasarot S, DeRouen K, Bhattacharyya S. Water vapor thermal therapy for lower urinary tract symptoms secondary to benign prostatic hyperplasia: Systematic review and meta-analysis. Medicine (Baltimore) 2020; 99:e21365. [PMID: 32791742 PMCID: PMC7387023 DOI: 10.1097/md.0000000000021365] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Water vapor thermal therapy (WVTT) is a minimally invasive procedure for treatment of lower urinary tract symptoms secondary to benign prostatic hyperplasia (BPH). There are no known systematic reviews reporting the effectiveness and safety of this increasingly common BPH therapy. METHODS We performed a systematic review and meta-analysis of studies utilizing WVTT for symptomatic BPH. The international prostate symptom score (IPSS), IPSS-quality of life (IPSS-QOL), BPH impact index (BPHII), and maximum flow rate (Qmax) were calculated as the weighted mean difference relative to baseline and reported in minimal clinically important difference (MCID) units. MCID thresholds were -3 for IPSS, -0.5 for IPSS-QOL, -0.5 for BPHII, and 2 mL/s for Qmax. The surgical retreatment rate was calculated using life-table methods. RESULTS We identified 5 cohorts treated with WVTT from 4 studies (514 patients; 40% with median lobe obstruction) with 2 years median follow-up (range: 6 months to 4 years). The IPSS, IPSS-QOL, BPHII, and Qmax significantly improved at all intervals between 3 months and 4 years; this benefit ranged from 3.3 to 3.8 MCID units for IPSS, 3.9 to 4.6 MCID units for IPSS-QOL, 6.8 to 8.2 MCID units for BPHII, and 1.5 to 3.0 MCID units for Qmax. The surgical retreatment rate was 7.0% at 4 years of follow-up data. Most adverse events were nonserious and transient; dysuria, urinary retention, and urinary tract infection were most common. No cases of de novo erectile dysfunction occurred. CONCLUSIONS WVTT provided improvement in BPH symptoms that exceeded established MCID thresholds, preserved sexual function, and was associated with low surgical retreatment rates over 4 years.
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Affiliation(s)
| | - Bilal Chughtai
- Department of Urology, Department of Obstetrics and Gynecology, Weill Cornell Medicine, New York, NY
| | - Kevin McVary
- Center for Male Health, Department of Urology, Stritch School of Medicine, Loyola University Medical Center, Maywood, IL
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Abdel MP, Miller LE, Hull SA, Coppolecchia AB, Hanssen AD, Pagnano MW. Cost Analysis of Dual-Mobility Constructs in Revision Total Hip Arthroplasty: A European Payer Perspective. Orthopedics 2020; 43:250-255. [PMID: 32674176 DOI: 10.3928/01477447-20200625-01] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 05/20/2019] [Indexed: 02/03/2023]
Abstract
Dual-mobility constructs have been shown to significantly and substantially decrease dislocations after revision total hip arthroplasty (THA). The authors have previously shown that dual-mobility (DM) constructs are cost-effective given their ability to decrease dislocations and re-revision for dislocation. The goal was to report the costs of DM and large femoral head (LFH) constructs in revision THAs from a European health care payer perspective. A Markov model was constructed to analyze the costs incurred by payers in the United Kingdom, Germany, Italy, and Spain over 3 years in revision THAs with DM or LFH constructs. Model states and probabilities were derived from prospectively collected registry data in 302 patients who underwent revision THA with a DM or 40-mm LFH construct and were then mapped to corresponding procedural reimbursement codes and tariffs for each country. Costs were weighted average national payments for reintervention procedures performed in the 3 years following revision THA. Probabilistic sensitivity analysis examined the effect of combined uncertainty across all model parameters. During a 3-year period following revision THA, reintervention rates were 9% for DM constructs and 19% for LFH constructs (P=.01). Comparing DM and LFH constructs, cumulative incremental costs over 3-years' follow-up were £428 vs £1447 in the United Kingdom, euro 451 vs euro 1272 in Germany, euro 540 vs euro 1425 in Italy, and euro 523 vs euro 1562 in Spain, respectively. At mid-term follow-up, DM constructs used in revision THAs were associated with a significantly lower risk of reintervention, which translated to lower health care payer costs compared with LFH constructs among European health care payers. [Orthopedics. 2020;43(4):250-255.].
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Miller LE, Bhattacharyya R, Miller AL. Spatial Analysis of Global Variability in Covid-19 Burden. Risk Manag Healthc Policy 2020; 13:519-522. [PMID: 32581614 PMCID: PMC7280244 DOI: 10.2147/rmhp.s255793] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 05/21/2020] [Indexed: 01/15/2023] Open
Abstract
Background Since the first occurrence of coronavirus disease 2019 (Covid-19), a number of online tools have become available to assist with tracking Covid-19 prevalence. Yet we are unaware of resources that provide country-specific Covid-19 incidence data. Methods We undertook a descriptive analysis of the global impact of Covid-19 using data reported on March 17, 2020. The prevalence of Covid-19 cases, fatalities attributed to Covid-19, and the case fatality rate for each of the 238 countries were accessed from the World Health Organization global Covid-19 tracking site, and we additionally calculated Covid-19 incidence based on country-specific population data. We determined the country-specific point prevalence and incidence of Covid-19 and associated deaths while using geocoded data to display their spatial distribution with geographic heat maps. Results The analysis included 193,197 Covid-19 cases and 7859 associated deaths. The point prevalence was highest in China (80,881), Italy (31,506), Iran (16,169), and Spain (11,312); no other country reported more than 10,000 cases. The incidence (per million population) was highest in San Marino (3389) followed by Iceland (645) and Italy (521); no other country had an incidence above 400 per million population. Conclusion Countries with a high Covid-19 prevalence may not have a high incidence, and vice versa. Public health agencies that provide real-time infection tracking tools should report country-specific Covid-19 incidence metrics, in addition to prevalence data.
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Affiliation(s)
- Larry E Miller
- Department of Biostatistics, Miller Scientific, Johnson City, TN, USA
| | | | - Anna L Miller
- Department of Biostatistics, Miller Scientific, Johnson City, TN, USA
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Miller LE, Efstathiou JA, Bhattacharyya SK, Payne HA, Woodward E, Pinkawa M. Association of the Placement of a Perirectal Hydrogel Spacer With the Clinical Outcomes of Men Receiving Radiotherapy for Prostate Cancer: A Systematic Review and Meta-analysis. JAMA Netw Open 2020; 3:e208221. [PMID: 32585020 PMCID: PMC7301230 DOI: 10.1001/jamanetworkopen.2020.8221] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 04/03/2020] [Indexed: 12/14/2022] Open
Abstract
Importance Perirectal spacers are intended to lower the risk of rectal toxic effects associated with prostate radiotherapy. A quantitative synthesis of typical clinical results with specific perirectal spacers is limited. Objective To evaluate the association between perirectal hydrogel spacer placement and clinical outcomes of men receiving radiotherapy for prostate cancer. Data Sources A systematic search was performed of the Cochrane Central Register of Controlled Trials, MEDLINE, and Embase for articles published through September 2019. Study Selection Studies comparing men who received a hydrogel spacer vs men who did not receive a spacer (controls) prior to prostate radiotherapy. Data Extraction and Synthesis Via random-effects meta-analysis, group comparisons were reported using the weighted mean difference for continuous measures and the risk ratio for binary measures. Main Outcomes and Measures Procedural results, the percentage volume of rectum receiving at least 70 Gy radiation (v70), early (≤3 months) and late (>3 months) rectal toxic effects, and early and late changes in bowel-related quality of life on the Expanded Prostate Cancer Index Composite (minimal clinically important difference, 4 points). Results The review included 7 studies (1 randomized clinical trial and 6 cohort studies) involving 1011 men (486 who received a hydrogel spacer and 525 controls), with a median duration of patient follow-up of 26 months (range, 3-63 months). The success rate of hydrogel spacer placement was 97.0% (95% CI, 94.4%-98.8% [5 studies]), and the weighted mean perirectal separation distance was 11.2 mm (95% CI, 10.1-12.3 mm [5 studies]). Procedural complications were mild and transient, occurring in 0% to 10% of patients within the studies. The hydrogel spacer group received 66% less v70 rectal irradiation compared with controls (3.5% vs 10.4%; mean difference, -6.5%; 95% CI, -10.5% to -2.5%; P = .001 [6 studies]). The risk of grade 2 or higher rectal toxic effects was comparable between groups in early follow-up (4.5% in hydrogel spacer group vs 4.1% in control group; risk ratio, 0.82; 95% CI, 0.52-1.28; P = .38 [6 studies]) but was 77% lower in the hydrogel spacer group in late follow-up (1.5% vs 5.7%; risk ratio, 0.23; 95% CI, 0.06-0.99; P = .05 [4 studies]). Changes in bowel-related quality of life were comparable between groups in early follow-up (mean difference, 0.2; 95% CI, -3.1 to 3.4; P = .92 [2 studies]) but were greater in the hydrogel spacer group in late follow-up (mean difference, 5.4; 95% CI, 2.8-8.0; P < .001 [2 studies]). Conclusions and Relevance For men receiving prostate radiotherapy, injection of a hydrogel spacer was safe, provided prostate-rectum separation sufficient to reduce v70 rectal irradiation, and was associated with fewer rectal toxic effects and higher bowel-related quality of life in late follow-up.
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Affiliation(s)
| | - Jason A. Efstathiou
- Department of Radiation Oncology, Harvard Medical School, Massachusetts General Hospital, Boston
| | | | - Heather A. Payne
- Oncology Department, University College London Hospital, London, United Kingdom
| | - Emily Woodward
- Health Economics and Market Access, Boston Scientific AG, Ecublens, Switzerland
| | - Michael Pinkawa
- Department of Radiation Oncology, MediClin Robert Janker Klinik, Bonn, Germany
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Miller LE, Allen RT, Duhon B, Radcliff KE. Expert review with meta-analysis of randomized and nonrandomized controlled studies of Barricaid annular closure in patients at high risk for lumbar disc reherniation. Expert Rev Med Devices 2020; 17:461-469. [PMID: 32237917 DOI: 10.1080/17434440.2020.1745061] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Introduction: Patients with lumbar disc herniation and associated sciatica are often referred for lumbar discectomy. The surgical defect in the annulus fibrosus is typically left unrepaired after lumbar discectomy. Patients with large postsurgical annular defects (≥6 mm width) have a higher risk of symptom recurrence and reoperation compared to those with small defects. In these high-risk patients, a treatment gap exists due to the lack of effective treatments for durable annulus fibrosus repair.Areas covered: This article highlights the therapeutic need and summarizes the clinical results of a bone-anchored annular closure device (Barricaid) that was designed to fill the treatment gap in patients with large postsurgical annular defects. Clinical results were summarized by means of a systematic review with meta-analysis of two randomized and two nonrandomized controlled studies.Expert opinion: Professional societal recommendations and clinical study results support the adoption of bone-anchored annular closure for use in properly selected patients undergoing lumbar discectomy who are at high-risk for reherniation due to a large postsurgical defect in the annulus fibrosus. The risks of symptomatic reherniation and reoperation are approximately 50% lower in patients treated with lumbar discectomy and the Barricaid device compared to lumbar discectomy only, representing a clinically effective treatment strategy.
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Affiliation(s)
| | - R Todd Allen
- Department of Orthopaedic Surgery, UC San Diego Health System, San Diego, CA, USA
| | - Brad Duhon
- Department of Neurosurgery, University of Colorado, Lone Tree, CO, USA
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Kuršumović A, Bouma GJ, Miller LE, Assaker R, Van de Kelft E, Hes R, Kienzler JC. Clinical Implications of Vertebral Endplate Disruptions After Lumbar Discectomy: 3-Year Results from a Randomized Trial of a Bone-Anchored Annular Closure Device. J Pain Res 2020; 13:669-675. [PMID: 32280269 PMCID: PMC7127816 DOI: 10.2147/jpr.s226480] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 03/07/2020] [Indexed: 12/03/2022] Open
Abstract
Objective Vertebral endplate disruptions (VEPD) are common findings on imaging after lumbar surgery. The objective of this study was to explore the clinical implications of VEPD development following lumbar discectomy with or without implant with a bone-anchored annular closure device (ACD). Methods This was a multicenter randomized controlled trial of patients with large postsurgical annular defects after limited lumbar discectomy who were randomized to additionally receive an ACD or no additional treatment. VEPD were identified on computed tomography and confirmed by an imaging core laboratory. Clinical outcomes included recurrent herniation, reoperation, Oswestry Disability Index, leg pain, and back pain. Patient follow-up in this study was 3 years. Results In the ACD group (n=272), the risk of reoperation was lower in patients with vs without VEPD (8% vs 24%, p<0.01), but no other clinical outcomes differed when stratified by VEPD prevalence or size. In the Control group (n=278), the risk of symptomatic reherniation was higher in patients with VEPD (41% vs 23%, p<0.01) and patients with the largest VEPD had the highest reoperation rates. Patient-reported outcomes were not associated with VEPD prevalence or size in the Control group. Conclusion VEPD had no significant influence on patient-reported outcomes at 3 years after lumbar discectomy. VEPD increased the risk of recurrence in patients treated with lumbar discectomy only, but had no negative influence in patients treated with the ACD.
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Affiliation(s)
- Adisa Kuršumović
- Department of Neurosurgery, Donauisar Klinikum Deggendorf, Deggendorf, Germany
| | - Gerrit Joan Bouma
- Department of Neurosurgery, OLVG-West and Academic Medical Center, Amsterdam, the Netherlands
| | | | - Richard Assaker
- Department of Neurosurgery, Centre Hospitalier Régional Universitaire de Lille, Lille, France
| | - Erik Van de Kelft
- Department of Neurosurgery, AZ Nikolaas, Sint-Niklaas and University of Antwerp, Antwerpen, Belgium
| | - Robert Hes
- Department of Neurosurgery, AZ Klina, Brasschaat, Belgium
| | - Jenny C Kienzler
- Department of Neurosurgery, Kantonsspital Aarau, Aarau, Switzerland
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Miller LE, Te AE, Bhattacharyya SK, Lilienfeld S, Dornbier RA, McVary KT. A novel metric for treatment durability in clinical trials of minimally invasive treatments for benign prostatic hyperplasia. Expert Rev Med Devices 2020; 17:365-369. [PMID: 32189535 DOI: 10.1080/17434440.2020.1742699] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Introduction: Clinical trial manuscripts commonly report results of individual endpoints. However, durability of a medical treatment may be difficult to determine when evaluating endpoint outcomes individually. We reviewed pivotal trial manuscripts of two minimally invasive benign prostatic hyperplasia (BPH) treatments and estimated the rate of treatment durability using a composite, symptom-centric metric.Methods: Data were derived from published pivotal trial reports of two minimally invasive BPH treatments - water vapor thermal therapy (WVTT) and prostatic urethral lift (PUL). We estimated the risk of medical or surgical retreatment using life-table methods, and the number of patients achieving the minimal clinically important difference (MCID) for the International Prostate Symptom Score (IPSS) using z-score methods. Treatment durability was defined as a MCID on the IPSS at the 4-year follow-up visit while free from medical or surgical retreatment.Results: Comparing WVTT to PUL, the rate of medical or surgical retreatment was 10.6% vs. 31.8%, the IPSS MCID was achieved in 82.2% vs. 79.5%, and treatment durability rates were 71.8% vs. 51.7%.Conclusions: Utilization of a composite treatment durability metric derived from endpoints commonly reported in the BPH literature may allow patients and their providers to make better informed treatment decisions.
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Affiliation(s)
| | - Alexis E Te
- Brady Prostate Center & Urodynamic Laboratory, Urology Program, Iris Cantor Men's Health Center, Weill Medical College of Cornell University, New York, NY, USA
| | | | | | - Ryan A Dornbier
- Center for Male Health, Department of Urology, Stritch School of Medicine, Loyola University Medical Center, Maywood, IL, USA
| | - Kevin T McVary
- Center for Male Health, Department of Urology, Stritch School of Medicine, Loyola University Medical Center, Maywood, IL, USA
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Kucharzyk DW, Miller LE. Two-year Clinical and Radiographic Results with a Multidimensional, Expandable Interbody Implant in Minimally Invasive Lumbar Spine Surgery. Cureus 2020; 12:e7070. [PMID: 32226671 PMCID: PMC7089633 DOI: 10.7759/cureus.7070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Introduction Minimally invasive spine surgery has become more prevalent in recent years, but the delivery of interbody devices with small footprints may insufficiently restore the disc space, which may lead to instability and non-union. Vertically expandable interbody implants have partially addressed this limitation, but lateral fusion support remains a concern. The purpose of this study was to evaluate two-year safety and effectiveness outcomes with a multidimensional, expandable interbody fusion device (Luna 3D Interbody Fusion System, Benvenue Medical, Inc., Santa Clara, CA) that is delivered through a minimally invasive approach (6-8 mm) that expands in situ to approximate an anterior lumbar interbody fusion footprint of 25 mm diameter. Material and methods This was a retrospective, single-center study that evaluated the clinical utility of a multi-expandable interbody cage in patients undergoing posterior or transforaminal lumbar interbody fusion. Key patient-reported outcomes included back pain severity, leg pain severity, and the Oswestry Disability Index (ODI). Radiographic assessments included disc height (anterior, posterior, and average), foraminal height, segmental lordosis, subsidence, implant migration, and pseudarthrosis. Patients were followed at regular intervals over two years postprocedure. Results A total of 50 consecutive patients were treated with transforaminal lumbar interbody fusion (TLIF) using the multidimensional expandable implant. Procedural blood loss was minimal (median 200 ml) and the mean hospital stay was 2.1 days. Perioperative complications were reported in three patients and included a dural tear, postoperative ileus, and end-plate violation. All complications were successfully managed conservatively. There were no nerve root injuries or perioperative infections. Over the two-year follow-up period, one case of subsidence and one case of implant migration were noted on radiographic imaging but required no treatment. Comparing the values reported at baseline and two years, the mean ODI score decreased by 61%, back pain severity decreased by 67%, and leg pain severity decreased by 80% (all p<0.001). Comparing radiographic measures from baseline to two years, anterior disc height increased from 7.6 mm to 15.5 mm, posterior disc height increased from 2.9 mm to 10.1 mm, average disc height increased from 5.6 mm to 13.3 mm, foraminal height increased from 12.2 mm to 20.2 mm, and segmental lordosis increased from 6.2 degrees to 14.0 degrees (all changes p<0.001). One case of non-union was observed and the corresponding two-year fusion rate was 98%. Conclusions The utilization of a minimally invasive, multidimensional, expandable interbody implant was safe and effective over two years of clinical follow-up. The implant allows the surgeon to re-establish sagittal balance and to provide a larger surface area for fusion as compared to traditional minimally invasive interbody devices.
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Miller LE, Fredericson M, Altman RD. Hyaluronic Acid Injections or Oral Nonsteroidal Anti-inflammatory Drugs for Knee Osteoarthritis: Systematic Review and Meta-analysis of Randomized Trials. Orthop J Sports Med 2020; 8:2325967119897909. [PMID: 32047830 PMCID: PMC6985976 DOI: 10.1177/2325967119897909] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 10/10/2019] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Intra-articular hyaluronic acid (HA) injections and oral nonsteroidal anti-inflammatory drugs (NSAIDs) are common treatments for symptomatic knee osteoarthritis (OA). However, the comparative effects of these treatments are unclear. PURPOSE To compare the efficacy and safety of intra-articular HA injections compared with oral NSAIDs for the treatment of knee OA. STUDY DESIGN Systematic review; Level of evidence, 1. METHODS We systematically searched Medline, Embase, and the Cochrane Central Register of Controlled Trials for randomized trials of knee OA treatment with HA injections compared with oral NSAIDs. The main outcomes were knee pain, knee function, adverse events (AEs), serious AEs, study withdrawals, and study withdrawals because of AEs. Pooled effect sizes were reported at the final follow-up with standardized mean difference (SMD) for efficacy outcomes and risk ratio (RR) for safety outcomes. RESULTS In 6 randomized trials of 831 patients (414 HA, 417 NSAIDs), with follow-up ranging from 5 to 26 weeks, HA injections were associated with small, statistically significant improvements in knee pain (SMD, 0.15; P = .04) and knee function (SMD, 0.23; P = .01) compared with oral NSAIDs. The risk of AEs was lower with HA compared with NSAIDs (19.8% vs 29.0%; RR, 0.74; P = .01). The risk of a serious AE (RR, 1.37; P = .71), study withdrawal (RR, 1.05; P = .68), or study withdrawal because of an AE (RR, 0.65; P = .22) was comparable between groups. Gastrointestinal concerns were the most frequent AE reported, occurring more often with NSAIDs (23.4% vs 14.1%; P = .001). AEs reported more frequently with HA injections were injection site pain (11.7% vs 4.7%; P < .001), headache (8.4% vs 4.4%; P = .03), and arthralgia (8.1% vs 2.9%; P = .001). Significant heterogeneity or publication bias was not observed for any outcome. CONCLUSION Comparing short-term outcomes of HA injections with oral NSAIDs for treatment of knee OA, HA injections provided statistically significant but not clinically important improvements in knee pain and function, along with a lower overall risk of AEs.
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Affiliation(s)
- Larry E. Miller
- Miller Scientific Consulting, Inc, Asheville, North Carolina, USA
| | - Michael Fredericson
- Department of Orthopaedic Surgery, Division of Physical Medicine and Rehabilitation, Stanford University Medical School, Stanford, California, USA
| | - Roy D. Altman
- Division of Rheumatology and Immunology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
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Miller LE, Bhattacharyya S, Pracyk J. Minimally Invasive Versus Open Transforaminal Lumbar Interbody Fusion for Single-Level Degenerative Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. World Neurosurg 2020; 133:358-365.e4. [DOI: 10.1016/j.wneu.2019.08.162] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 08/20/2019] [Accepted: 08/22/2019] [Indexed: 11/16/2022]
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Yue JJ, Garcia R, Blumenthal S, Coric D, Patel VV, Dinh DH, Buttermann GR, Deutsch H, Miller LE, Persaud EJ, Ferko NC. Five-year Results of a Randomized Controlled Trial for Lumbar Artificial Discs in Single-level Degenerative Disc Disease. Spine (Phila Pa 1976) 2019; 44:1685-1696. [PMID: 31404055 DOI: 10.1097/brs.0000000000003171] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN A prospective, multicenter, randomized, controlled, investigational device exemption (IDE) noninferiority trial. OBJECTIVE The aim of this study was to compare the 5-year safety and effectiveness of the activL Artificial Disc with Control Total Disc Replacement (TDR) systems (ProDisc-L or Charité) in the treatment of patients with symptomatic single-level lumbar degenerative disc disease (DDD). SUMMARY OF BACKGROUND DATA The activL Artificial Disc received Food and Drug Administration approval in 2015 based on 2-year follow-up data. METHODS Eligible patients presented with symptomatic, single-level, lumbar DDD who failed ≥6 months of nonsurgical management. At entry, 324 patients were randomly allocated (2 : 1) to treatment with activL (n = 218) or Control (n = 106, including n = 65 ProDisc-L and n = 41 Charité) TDR. At 5-year follow up, a total of 261 patients (176 activL patients and 85 Control patients) were available for analysis. RESULTS The primary composite endpoint at 5 years for activL patients was noninferior to Control TDR. Relative to baseline, reductions in back pain severity and improvements in Oswestry Disability Index (ODI) were maintained for both the activL and Control TDR groups through 5 years. The activL group showed significantly better range of motion for flexion-extension rotation, flexion-extension translation, and disc angle, compared with Control TDR. Freedom from a serious adverse event through 5 years was 64% in activL patients, 47% in Control patients (log-rank P = 0.0068). Freedom from index-level and adjacent-level reoperation was high for TDR patients, ranging between 94% and 99%, respectively. CONCLUSION Long-term evidence supports lumbar total disc replacement as safe. The next-generation activL Artificial Disc is more effective at preserving range of motion than first-generation lumbar TDRs (ProDisc-L and Charité) and offers a higher safety profile. Other primary and secondary outcomes are similar between disc designs. LEVEL OF EVIDENCE 2.
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Affiliation(s)
- James J Yue
- Frank H Netter School of Medicine, Quinnipiac University, COS, Hamden, CT
| | | | | | - Dom Coric
- Carolina Neurosurgery and Spine Associates, Charlotte, NC
| | - Vikas V Patel
- University of Colorado, Anschutz Medical Campus, School of Medicine, Department of Orthopaedics, Aurora, CO
| | - Dzung H Dinh
- Illinois Neurological Institute, Physicians, LLC, Peoria, IL
| | | | - Harel Deutsch
- Rush University Medical Center, Department of Neurosurgery, Chicago, IL
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Bradley LD, Pasic RP, Miller LE. Clinical Performance of Radiofrequency Ablation for Treatment of Uterine Fibroids: Systematic Review and Meta-Analysis of Prospective Studies. J Laparoendosc Adv Surg Tech A 2019; 29:1507-1517. [PMID: 31702440 PMCID: PMC7387230 DOI: 10.1089/lap.2019.0550] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background: Radiofrequency ablation (RFA) has emerged as a safe and effective treatment option for women with symptomatic uterine fibroids and can be delivered by laparoscopic, transvaginal, or transcervical approaches. The evidence regarding typical patient outcomes with RFA has not previously been examined in a comprehensive fashion. Materials and Methods: We performed a systematic review of prospective studies for treatment of uterine fibroids with RFA. Main outcomes were procedure time, patient recovery metrics, change in fibroid volume, symptom severity score (SSS), health-related quality of life (HRQL), and reinterventions. Data were analyzed with random effects meta-analysis and metaregression. Results: We identified 32 articles of 1283 unique patients (median age: 42 years) treated with laparoscopic RFA (19 articles), transvaginal RFA (8 articles), or transcervical fibroid ablation (5 articles). Mean procedure time was 49 minutes, time to discharge was 8.2 hours, time to normal activities was 5.2 days, and time to return to work was 5.1 days. At 12 months follow-up, fibroid volume decreased by 66%, HRQL increased by 39 points, and SSS decreased by 42 points (all P < .001 versus baseline). The annual cumulative rate of reinterventions due to fibroid-related symptoms was 4.2%, 8.2%, and 11.5% through 3 years. Conclusions: RFA of uterine fibroids significantly reduces fibroid volume, provides significant durable improvements in fibroid-related quality of life, and is associated with favorable reintervention rates.
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Affiliation(s)
- Linda D. Bradley
- Department of Obstetrics and Gynecology, Women's Health Institute, Center for Menstrual Disoders, Cleveland Clinic, Cleveland, Ohio
| | - Resad P. Pasic
- Department of Obstetrics and Gynecology, University of Louisville Hospital, Louisville, Kentucky
| | - Larry E. Miller
- Miller Scientific Consulting, Inc., Asheville, North Carolina
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Miller LE. Letter to the editor regarding “Is minimally invasive superior than open transforaminal lumbar interbody fusion for single-level degenerative lumbar diseases: a meta-analysis”. J Orthop Surg Res 2019; 14:164. [PMID: 31142375 PMCID: PMC6542003 DOI: 10.1186/s13018-019-1196-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 05/14/2019] [Indexed: 11/24/2022] Open
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