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  1. Article: Chronic Steroid Use Does Not Increase the Risk of Superficial Surgical Site Infection or Wound Dehiscence Following Total Ankle Arthroplasty.

    Garcia, Alexander R / Ling, Kenny / Olsen, Evan / Komatsu, David E / Paulus, Megan

    Cureus

    2024  Volume 16, Issue 1, Page(s) e52569

    Abstract: Introduction Total ankle arthroplasty (TAA) is an effective treatment for end-stage ankle arthritis. Recent surgical and technological advances have led to a significant increase in the surgical volume of TAA. While a majority of ankle arthritis is post- ... ...

    Abstract Introduction Total ankle arthroplasty (TAA) is an effective treatment for end-stage ankle arthritis. Recent surgical and technological advances have led to a significant increase in the surgical volume of TAA. While a majority of ankle arthritis is post-traumatic in nature, other causes include autoimmune or inflammatory conditions. Medical management of these conditions frequently requires chronic corticosteroid administration, which is a well-established risk factor for complications following surgery. The purpose of this study was to investigate the association between chronic preoperative steroid use and postoperative complications following TAA. Methods The American College of Surgeons National Surgical Quality Improvement (NSQIP) database was analyzed to identify all patients who underwent TAA between 2015 and 2020. Patient characteristics including demographics, comorbidities, surgical characteristics, and 30-day postoperative complication data were collected. The data was analyzed using bivariate and multivariate logistic regression to identify all postoperative complications associated with chronic preoperative steroid use. Results A total of 1,606 patients were included in this study: 1,533 (95.5%) were included in the non-steroid cohort, and 73 (4.5%) were included in the chronic steroid cohort. Chronic steroid use was significantly associated with female sex (p < 0.001) and American Society of Anesthesiologists (ASA) ≥3 (p < 0.001). Chronic steroid use was not associated with superficial surgical site infection (SSI) (p = 0.634) or wound dehiscence (p = 0.999). The postoperative complication that was significantly associated with chronic steroid use was sepsis (p = 0.031). After adjusting for female sex and the ASA grade, chronic steroid use was found to be independently associated with sepsis (p = 0.013). Conclusion Preoperative chronic steroid use is not associated with superficial SSI or wound dehiscence within 30 days following TAA. As TAA becomes a more attractive alternative to ankle arthrodesis, a better understanding of preoperative risk factors can aid in widening indications and knowing what patients are at risk for complications.
    Language English
    Publishing date 2024-01-19
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.52569
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Daily low-intensity pulsed ultrasound stimulation mitigates joint degradation and pain in a post-traumatic osteoarthritis rat model.

    Lee, Wonsae / Georgas, Elias / Komatsu, David E / Qin, Yi-Xian

    Journal of orthopaedic translation

    2023  Volume 44, Page(s) 9–18

    Abstract: Objectives: The aim of this study was to investigate the effects of low-intensity pulsed ultrasound (LIPUS) in a post-traumatic osteoarthritis (OA) rat model and : Methods: Thirty-eight male, four-month-old Sprague Dawley rats were randomly assigned ... ...

    Abstract Objectives: The aim of this study was to investigate the effects of low-intensity pulsed ultrasound (LIPUS) in a post-traumatic osteoarthritis (OA) rat model and
    Methods: Thirty-eight male, four-month-old Sprague Dawley rats were randomly assigned to Sham, Sham ​+ ​US, OA, and OA ​+ ​US. Sham surgery was performed to serve as a negative control, and anterior cruciate ligament transection was used to induce OA. Three days after the surgical procedures, Sham ​+ ​US and OA ​+ ​US animals received daily LIPUS treatment, while the rest of the groups received sham ultrasound (US) signals. Behavioral pain tests were performed at baseline and every week thereafter. After 31 days, the tissues were collected, and histological analyses were performed on knees and innervated dorsal root ganglia (DRG) neurons traced by retrograde labeling. Furthermore, to assess the activation of osteoclasts by LIPUS treatment, RAW264.7 ​cells were differentiated into osteoclasts and treated with LIPUS.
    Results: Joint degradation in cartilage and bone microarchitecture were mitigated in OA ​+ ​US compared to OA. OA ​+ ​US showed improvements in behavioral pain tests. A significant increase of large soma-sized DRG neurons was located in OA compared to Sham. In addition, a greater percentage of large soma-sized innervated neurons were calcitonin gene-related peptide-positive. Daily LIPUS treatment suppressed osteoclastogenesis
    Conclusion: Our findings demonstrate that early intervention using LIPUS treatment has protective effects from the progression of knee OA, including reduced tissue degradation, mitigated pain characteristics, improved subchondral bone microarchitecture, and less sensory innervation. Furthermore, daily LIPUS treatment has a suppressive effect on osteoclastogenesis, which may be linked to the suppression of sensory innervation in OA.
    The translational potential of this article: This study presents a new potential for early intervention in treating OA symptoms through the use of LIPUS, which involves the suppression of osteoclastogenesis and the alteration of DRG profiles. This intervention aims to delay joint degradation and reduce pain.
    Language English
    Publishing date 2023-12-20
    Publishing country Singapore
    Document type Journal Article
    ZDB-ID 2747531-1
    ISSN 2214-031X
    ISSN 2214-031X
    DOI 10.1016/j.jot.2023.09.002
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  3. Article ; Online: The prevalence of Dupuytren's disease in patients with diabetes mellitus.

    Ganesan, Sandhya / Tantone, Ryan P / Komatsu, David E / Hurst, Lawrence C

    Communications medicine

    2023  Volume 3, Issue 1, Page(s) 96

    Abstract: Background: Dupuytren's disease (DD) is a fibroproliferative hand disorder associated with various medical conditions, including diabetes mellitus (DM). The reported prevalence of DM among DD patients varies widely, primarily due to small sample sizes ... ...

    Abstract Background: Dupuytren's disease (DD) is a fibroproliferative hand disorder associated with various medical conditions, including diabetes mellitus (DM). The reported prevalence of DM among DD patients varies widely, primarily due to small sample sizes in previous studies.
    Methods: This was a retrospective cohort study using data from the TriNetX Research Database. We analyzed the overall prevalence of DD between 2010 and 2020, comparing the DM, type 1 diabetes mellitus (T1DM), and type 2 diabetes mellitus (T2DM) cohorts. Within the DM group, patients were further categorized based on hemoglobin A1c (HbA1c) values and prescribed anti-diabetic agents (insulin or metformin). We compared the prevalence of DD diagnosis in each group using prevalence ratios and differences.
    Results: There is a higher prevalence of DD in patients with T2DM than in patients with T1DM (relative risk [RR]: 1.641; 95% confidence interval [CI]: [1.356, 1.986]). Among patients with diabetes, there is a higher prevalence of DD in those taking insulin compared to those taking metformin (RR: 0.801, 95% CI: [0.774, 0.83]). The prevalence of DD varies depending on HbA1c levels, with a prevalence of 0.463% in patients having levels within the diabetic range, while lower prevalences of 0.392% and 0.416% are found in patients with prediabetes or uncontrolled diabetes, respectively.
    Conclusions: This study provides further insight into the relationship between DM and DD. These findings may be attributed to the increased accumulation of advanced glycosylated end products (AGEs) in patients with diabetes. Future research exploring the connection between AGE accumulation and DD development may enhance our understanding of the relationship between DD and DM.
    Language English
    Publishing date 2023-07-13
    Publishing country England
    Document type Journal Article
    ISSN 2730-664X
    ISSN (online) 2730-664X
    DOI 10.1038/s43856-023-00332-7
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: The Therapeutic Potential of MicroRNAs as Orthobiologics for Skeletal Fractures.

    Hadjiargyrou, Michael / Komatsu, David E

    Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research

    2019  Volume 34, Issue 5, Page(s) 797–809

    Abstract: The repair of a fractured bone is critical to the well-being of humans. Failure of the repair process to proceed normally can lead to complicated fractures, exemplified by either a delay in union or a complete nonunion. Both of these conditions lead to ... ...

    Abstract The repair of a fractured bone is critical to the well-being of humans. Failure of the repair process to proceed normally can lead to complicated fractures, exemplified by either a delay in union or a complete nonunion. Both of these conditions lead to pain, the possibility of additional surgery, and impairment of life quality. Additionally, work productivity decreases, income is reduced, and treatment costs increase, resulting in financial hardship. Thus, developing effective treatments for these difficult fractures or even accelerating the normal physiological repair process is warranted. Accumulating evidence shows that microRNAs (miRNAs), small noncoding RNAs, can serve as key regulatory molecules of fracture repair. In this review, a brief description of the fracture repair process and miRNA biogenesis is presented, as well as a summary of our current knowledge of the involvement of miRNAs in physiological fracture repair, osteoporotic fractures, and bone defect healing. Further, miRNA polymorphisms associated with fractures, miRNA presence in exosomes, and miRNAs as potential therapeutic orthobiologics are also discussed. This is a timely review as several miRNA-based therapeutics have recently entered clinical trials for nonskeletal applications and thus it is incumbent upon bone researchers to explore whether miRNAs can become the next class of orthobiologics for the treatment of skeletal fractures.
    MeSH term(s) Animals ; Fracture Healing ; Fractures, Bone/genetics ; Fractures, Bone/metabolism ; Fractures, Bone/pathology ; Fractures, Bone/therapy ; Humans ; MicroRNAs/biosynthesis ; MicroRNAs/genetics
    Chemical Substances MicroRNAs
    Language English
    Publishing date 2019-03-28
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Review
    ZDB-ID 632783-7
    ISSN 1523-4681 ; 0884-0431
    ISSN (online) 1523-4681
    ISSN 0884-0431
    DOI 10.1002/jbmr.3708
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Role of insulin-dependent and non-insulin-dependent diabetes in aseptic revision total shoulder arthroplasty.

    Loyst, Rachel A / Liu, Steven H / Cerri-Droz, Patricia / Leatherwood, William / Komatsu, David E / Wang, Edward D

    European journal of orthopaedic surgery & traumatology : orthopedie traumatologie

    2024  

    Abstract: Purpose: This study investigates the association between insulin-dependent and non-insulin-dependent diabetes and 30-day postoperative complications following aseptic revision total shoulder arthroplasty (TSA).: Methods: The American College of ... ...

    Abstract Purpose: This study investigates the association between insulin-dependent and non-insulin-dependent diabetes and 30-day postoperative complications following aseptic revision total shoulder arthroplasty (TSA).
    Methods: The American College of Surgeons National Surgical Quality Improvement Program database was queried for all patients who underwent aseptic revision TSA from 2015 to 2021. The study population was divided into three groups based on diabetic status: nondiabetes, insulin-dependent diabetes, and non-insulin-dependent diabetes. Logistic regression analysis was conducted to investigate the relationship between diabetic status and postoperative complications.
    Results: Compared to nondiabetes, insulin-dependent diabetes was independently associated with a significantly greater likelihood of experiencing any complication (OR 1.59, 95% CI 1.08-2.35; P = 0.020) and LOS > 2 days (OR 1.73, 95% CI 1.13-2.65; P = 0.012). Compared to nondiabetes, non-insulin-dependent diabetes was not independently associated with a significantly greater likelihood of experiencing complications. Preoperative insulin-dependent diabetic status was significantly associated with a greater rate of early postoperative complications following aseptic revision TSA, while preoperative non-insulin-dependent diabetic status was not.
    Conclusion: Preoperative insulin-dependent diabetic status was significantly associated with a greater rate of early postoperative complications following aseptic revision TSA. A better understanding of the role diabetes, both insulin-dependent and non-insulin-dependent, as a risk factor may help physicians better risk stratify and select surgical candidates for revision TSA.
    Language English
    Publishing date 2024-04-26
    Publishing country France
    Document type Journal Article
    ZDB-ID 1231084-0
    ISSN 1432-1068 ; 1633-8065 ; 0948-4817 ; 0940-3264
    ISSN (online) 1432-1068
    ISSN 1633-8065 ; 0948-4817 ; 0940-3264
    DOI 10.1007/s00590-024-03954-2
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  6. Article ; Online: Preoperative Anemia as a Risk Factor for Postoperative Complications After Open Reduction Internal Fixation of Distal Radius Fractures.

    Garcia, Alexander R / Ling, Kenny / Al-Humadi, Samer / Komatsu, David E / Wang, Edward D

    Journal of hand surgery global online

    2023  Volume 5, Issue 6, Page(s) 804–809

    Abstract: Purpose: The incidence of distal radius fractures (DRFs) in the United States is more than 640,000 cases per year and is projected to increase. The overall prevalence of anemia in the United States increased from 5.71% in 2005 to 6.86% in 2018. ... ...

    Abstract Purpose: The incidence of distal radius fractures (DRFs) in the United States is more than 640,000 cases per year and is projected to increase. The overall prevalence of anemia in the United States increased from 5.71% in 2005 to 6.86% in 2018. Therefore, preoperative anemia may be an important risk factor to consider before surgical fixation of a distal radius fracture. The purpose of this study was to investigate preoperative anemia and its association with short-term complications after surgical treatment of DRFs.
    Methods: The American College of Surgeons National Surgical Quality Improvement Program database was queried for all patients who underwent open reduction internal fixation (ORIF) of DRFs between 2015 and 2020. The initial pool of patients was divided into cohorts based on preoperative hematocrit. Multivariate logistic regression, adjusted for all significantly associated patient demographics and comorbidities, was used to identify associations between preoperative anemia and postoperative complications after ORIF of DRFs.
    Results: A total of 22,923 patients who underwent ORIF of DRFs were identified in National Surgical Quality Improvement Program from 2015 to 2020. Of the 12,068 patients remaining after exclusion criteria, 9,616 (79.7%) patients were included in the normal cohort, 2,238 (18.5%) patients were included in the mild anemia cohort, and 214 (1.8%) patients were included in the severe anemia cohort. Compared with the reference cohort, patients with any anemia were independently associated with higher rates of reintubation (odds ratio [OR], 6.51; 95% confidence interval [CI], 1.29-32.80;
    Conclusions: Preoperative anemia, both mild and severe, were clinically significant predictors for postoperative complications within 30-day after ORIF of DRFs. Severe anemia was associated with higher rates of blood transfusion, nonhome discharge, and mortality compared with mild anemia.
    Type of study/level of evidence: Prognostic III.
    Language English
    Publishing date 2023-08-26
    Publishing country United States
    Document type Journal Article
    ISSN 2589-5141
    ISSN (online) 2589-5141
    DOI 10.1016/j.jhsg.2023.07.013
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Chronic steroid use as a risk factor for postoperative complications following arthroscopic rotator cuff repair.

    Fassler, Richelle / Ling, Kenny / Tantone, Ryan / Komatsu, David E / Wang, Edward D

    JSES international

    2023  Volume 7, Issue 5, Page(s) 780–785

    Abstract: Background: Steroids are a common treatment for many rheumatologic and inflammatory disorders. Chronic steroid use has been studied in joint arthroplasty and arthroscopy, but studies specifically on preoperative chronic steroid use in arthroscopic ... ...

    Abstract Background: Steroids are a common treatment for many rheumatologic and inflammatory disorders. Chronic steroid use has been studied in joint arthroplasty and arthroscopy, but studies specifically on preoperative chronic steroid use in arthroscopic rotator cuff repair (aRCR) are limited. The purpose of this study is to determine the association between chronic steroid use and 30-day postoperative outcomes following aRCR.
    Methods: The American College of Surgeons National Surgical Quality Improvement Program (NSQIP) was queried to identify all patients who underwent aRCR between 2015 and 2020. Patients were divided into 2 cohorts: nonsteroid users and chronic steroid users. Univariate binomial regression analysis was used to compare demographics, comorbidities, and postoperative outcomes between cohorts. Multivariate regression analysis, adjusted for all significant demographics and comorbidities, was used to identify significant 30-day postoperative outcomes.
    Results: A total of 39,876 patients remained after exclusion criteria, with 39,068 (97.97%) in the nonsteroid group and 808 (2.02%) in the chronic steroid group. Patient demographics and comorbidities significantly associated with chronic steroid use were age ≥65 (
    Conclusion: Chronic steroid use was not found to be an independent risk factor for infection, readmission, or reoperation following aRCR. It was, however, found to be independently associated with higher rates of 30-day mortality following aRCR, although with a limited overall number of deaths reported.
    Language English
    Publishing date 2023-06-09
    Publishing country United States
    Document type Journal Article
    ISSN 2666-6383
    ISSN (online) 2666-6383
    DOI 10.1016/j.jseint.2023.05.015
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Disparities in postoperative total shoulder arthroplasty outcomes between Black and White patients.

    Ling, Kenny / Leatherwood, William / Fassler, Richelle / Burgan, Jane / Komatsu, David E / Wang, Edward D

    JSES international

    2023  Volume 7, Issue 5, Page(s) 842–847

    Abstract: Background: Despite the rise in surgical volume for total shoulder arthroplasty (TSA) procedures, racial disparities exist in outcomes between White and Black populations. The purpose of this study was to compare 30-day postoperative complication rates ... ...

    Abstract Background: Despite the rise in surgical volume for total shoulder arthroplasty (TSA) procedures, racial disparities exist in outcomes between White and Black populations. The purpose of this study was to compare 30-day postoperative complication rates between Black and White patients following TSA.
    Methods: The American College of Surgeons National Surgical Quality Improvement Program (NSQIP) database was queried for all patients who underwent TSA between 2015 and 2019. Patient demographics and comorbidities were compared between cohorts using bivariate analysis. Multivariate logistic regression, adjusted for all significantly associated patient demographics and comorbidities, was used to identify associations between Black or African American race and postoperative complications.
    Results: A total of 19,733 patients were included in the analysis, 18,669 (94.6%) patients in the White cohort and 1064 (5.4%) patients in the Black or African American cohort. Demographics and comorbidities that were significantly associated with Black or African American race were age 40-64 years (
    Conclusion: Black or African American race was independently associated with higher rates of 30-day readmission following TSA.
    Language English
    Publishing date 2023-05-26
    Publishing country United States
    Document type Journal Article
    ISSN 2666-6383
    ISSN (online) 2666-6383
    DOI 10.1016/j.jseint.2023.05.009
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  9. Article ; Online: Readmission and Reoperation Following Carpometacarpal Arthroplasty.

    Ling, Kenny / Fassler, Richelle / Burgan, Jane / Komatsu, David E / Wang, Edward D

    Journal of hand surgery global online

    2023  Volume 5, Issue 5, Page(s) 661–666

    Abstract: Purpose: Carpometacarpal (CMC) arthroplasty is an effective surgical treatment for osteoarthritis of the CMC joint. Risk factors for readmission and reoperation have been studied for other joint arthroplasty procedures but have not yet been studied for ... ...

    Abstract Purpose: Carpometacarpal (CMC) arthroplasty is an effective surgical treatment for osteoarthritis of the CMC joint. Risk factors for readmission and reoperation have been studied for other joint arthroplasty procedures but have not yet been studied for CMC arthroplasty. The purpose of this study was to identify patient demographics and comorbidities associated with 30-day readmission and 30-day reoperation after CMC arthroplasty.
    Methods: The American College of Surgeons National Surgical Quality Improvement Program database was queried for all records of patients who underwent CMC arthroplasty between 2015 and 2020. Variables collected in this study included patient demographics, comorbidities, surgical characteristics, and 30-day postsurgical complication data. Multivariate logistic regression was used to identify independent associations between patient characteristics and readmission and reoperation after CMC arthroplasty.
    Results: In total, 6,432 records were included in this study: 34 (0.5%) were readmitted within 30 days, and 27 (0.4%) underwent reoperation within 30 days. Compared with the non-readmission cohort, the readmission cohort was significantly associated with higher rates of age ≥ 75 years (
    Conclusion: The clinically significant predictors for 30-day readmission and 30-reoperation after CMC arthroplasty were age ≥ 75 years, BMI ≥ 40 kg/m
    Type of study/level of evidence: Prognostic III.
    Language English
    Publishing date 2023-07-27
    Publishing country United States
    Document type Journal Article
    ISSN 2589-5141
    ISSN (online) 2589-5141
    DOI 10.1016/j.jhsg.2023.06.014
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Six-Item Modified Frailty Index independently predicts complications following total shoulder arthroplasty.

    Ling, Kenny / Achonu, Justice U / Martino, Robert / Liu, Steven H / Komatsu, David E / Wang, Edward D

    JSES international

    2023  Volume 8, Issue 1, Page(s) 99–103

    Abstract: Background: In the realm of orthopedic surgery, frailty has been associated with higher rates of complications following total hip and total knee arthroplasties. Among various measures of frailty, the Six-Item Modified Frailty Index (MF-6) has recently ... ...

    Abstract Background: In the realm of orthopedic surgery, frailty has been associated with higher rates of complications following total hip and total knee arthroplasties. Among various measures of frailty, the Six-Item Modified Frailty Index (MF-6) has recently gained popularity as a predictor for postoperative complications. The purpose of this study was to investigate MF-6 as a predictor for early postoperative complications in the elderly patient population following total shoulder arthroplasty (TSA).
    Methods: The authors queried the American College of Surgeons National Surgical Quality Improvement Program database for all patients who underwent TSA between 2015 and 2020. Patient demographics and comorbidities were compared between cohorts using bivariate logistic regression analysis. Multivariate logistic regression, adjusted for all significantly associated patient demographics and comorbidities, was used to identify associations between the MF-6 score and postoperative complications.
    Results: Of total, 9228 patients were included in this study: 8764 (95.0%) had MF-6 <3, and 464 (5.0%) patients had MF-6 ≥3. Multivariate analysis found MF-6 ≥3 to be independently associated with higher rates of urinary tract infection (odds ratio [OR]: 2.79, 95% confidence interval [CI]: 1.49-5.23;
    Conclusion: A high MF-6 score (≥3) in patients aged 65 and older is independently associated with higher rates of urinary tract infection, blood transfusion, readmission, and non-home discharge following TSA. The MF-6 score can be easily calculated preoperatively and may allow for better preoperative risk stratification.
    Language English
    Publishing date 2023-09-14
    Publishing country United States
    Document type Journal Article
    ISSN 2666-6383
    ISSN (online) 2666-6383
    DOI 10.1016/j.jseint.2023.08.010
    Database MEDical Literature Analysis and Retrieval System OnLINE

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