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  1. Article ; Online: Trends in Venous Thromboembolism After Shoulder Arthroplasty in the United States: Analysis Following the 2009 American Academy of Orthopaedic Surgeons Clinical Practical Guidelines.

    Agarwal, Amil R / Ahmed, Abdulaziz F / Stadecker, Monica / Miller, Andrew S / Best, Matthew J / Srikumaran, Umasuthan

    The Journal of the American Academy of Orthopaedic Surgeons

    2023  Volume 31, Issue 7, Page(s) 364–372

    Abstract: Background: In 2009, the American Academy of Orthopaedic Surgeons released a consensus recommending venous thromboembolism (VTE) prophylaxis after total shoulder arthroplasty (TSA). The purpose of this study was to examine the (1) change in incidence of ...

    Abstract Background: In 2009, the American Academy of Orthopaedic Surgeons released a consensus recommending venous thromboembolism (VTE) prophylaxis after total shoulder arthroplasty (TSA). The purpose of this study was to examine the (1) change in incidence of 90-day VTE, deep vein thrombosis (DVT), and pulmonary embolism; (2) change in utilization of chemoprophylaxis; and (3) change in the economic burden associated with VTE after TSA from 2010 to 2019.
    Methods: Using the PearlDiver database, national data from 2010 to 2019 were used to identify patients who underwent primary TSA for osteoarthritis and/or rotator cuff arthropathy. Exclusions entailed liver pathology, coagulopathy, or those on prior prescribed blood thinners before TSA. Multivariable regression was used controlling for age and Charlson Comorbidity Index for all years with 2010 as the reference year.
    Results: From 2010 to 2019, there was a reduction in VTE rates from 0.89% in 2010 to 0.78% in 2019. Regarding implant type, there was no notable change in incidence of VTE, DVT, and pulmonary embolism within 90 days after anatomic TSA. Notable reductions were observed in both VTE and DVT after reverse TSA from 2010 to 2019. Prescribed chemical VTE prophylaxis utilization after TSA markedly increased from 4.41% in 2010 to 11.70% utilization in 2019. The utilization of aspirin markedly increased from 17.27% in 2010 to 65.17% in 2019. Among anticoagulants, the utilization of direct factor Xa inhibitors increased from 0.0% utilization in 2010 to 66.09% utilization in 2019. The added reimbursements associated with VTE after TSA markedly decreased from $14,122 in 2010 to $4,348 in 2019.
    Conclusion: The incidence and economic burden associated with VTE after TSA have markedly declined following the 2010 American Academy of Orthopaedic Surgeons clinical practice guidelines. This reduction can be attributed to both an increase in VTE prevention through increased utilization of prescribed chemoprophylaxis and improvement in VTE treatment strategies.
    Level of evidence: Therapeutic, III.
    MeSH term(s) Humans ; United States/epidemiology ; Venous Thromboembolism/epidemiology ; Venous Thromboembolism/etiology ; Venous Thromboembolism/prevention & control ; Arthroplasty, Replacement, Shoulder/adverse effects ; Orthopedic Surgeons ; Risk Factors ; Anticoagulants/therapeutic use ; Pulmonary Embolism/epidemiology ; Pulmonary Embolism/etiology ; Pulmonary Embolism/prevention & control ; Retrospective Studies
    Chemical Substances Anticoagulants
    Language English
    Publishing date 2023-01-19
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1200524-1
    ISSN 1940-5480 ; 1067-151X
    ISSN (online) 1940-5480
    ISSN 1067-151X
    DOI 10.5435/JAAOS-D-22-00825
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: NLRP3 and AIM2 inflammasomes exacerbate the pathogenic Th17 cell response to eggs of the helminth

    Suresh Kumar Meena Kumari, Madhusoodhanan / Liu, Pengyu / Jump, Kaile / Morales, Yoelkys / Miller, Emily A / Shecter, Ilana / Stadecker, Miguel J / Kalantari, Parisa

    bioRxiv : the preprint server for biology

    2024  

    Abstract: Infection with the ... ...

    Abstract Infection with the helminth
    Language English
    Publishing date 2024-03-13
    Publishing country United States
    Document type Preprint
    DOI 10.1101/2024.03.11.584371
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Social determinants of health disparities impact postoperative complications in patients undergoing total shoulder arthroplasty.

    Sharma, Sribava / Miller, Andrew S / Pearson, Zachary / Tran, Andrew / Bahoravitch, Tyler J / Stadecker, Monica / Ahmed, Abdulaziz F / Best, Matthew J / Srikumaran, Uma

    Journal of shoulder and elbow surgery

    2023  Volume 33, Issue 3, Page(s) 640–647

    Abstract: Background: Understanding the role of social determinants of health disparities (SDHDs) in surgical outcomes can better prepare providers to improve postoperative care. In this study, we use International Classification of Diseases (ICD) codes to ... ...

    Abstract Background: Understanding the role of social determinants of health disparities (SDHDs) in surgical outcomes can better prepare providers to improve postoperative care. In this study, we use International Classification of Diseases (ICD) codes to identify SDHDs and investigate the risk of postoperative complication rates among patients undergoing total shoulder arthroplasty (TSA).
    Methods: A retrospective cohort analysis was conducted using a national insurance claims database. Using ICD and Current Procedural Terminology (CPT) codes, patients who underwent primary TSA with at least 2 years of follow-up in the database were identified. Patients with a history of SDHDs were identified using appropriate ICD-9 and ICD-10 codes. Patients were grouped in one of 2 cohorts: (1) patients with no history of SDHDs (control) and (2) patients with a history of SDHDs (SDHD group) prior to TSA. The SDHD and control groups were matched 1:1 for comorbidities and demographics prior to conducting multivariable analysis for 90-day medical complications and 2-year surgical complications.
    Results: After matching, there were 8023 patients in the SDHD group and 8023 patients in the control group. The SDHD group had significantly higher odds for 90-day medical complications including heart failure, cerebrovascular accident, renal failure, deep vein thrombosis, pneumonia, sepsis, and urinary tract infection. Additionally, the SDHD group had significantly higher odds for revision surgery within 2 years following TSA. Patients in the SDHD group also had a significantly longer length of hospital stay following TSA.
    Discussion: This study highlights the association between SDHDs and postoperative complications following TSA. Quantifying the risk of complications and differences in length of stay for TSA patients with a history of SDHDs is important in determining value-based payment models and risk stratifying to optimize patient care.
    MeSH term(s) Humans ; Retrospective Studies ; Arthroplasty, Replacement, Shoulder/adverse effects ; Social Determinants of Health ; Postoperative Complications/epidemiology ; Postoperative Complications/etiology ; Comorbidity
    Language English
    Publishing date 2023-08-11
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1170782-3
    ISSN 1532-6500 ; 1058-2746
    ISSN (online) 1532-6500
    ISSN 1058-2746
    DOI 10.1016/j.jse.2023.07.006
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Increased severity of anemia is associated with postoperative complications following primary total shoulder arthroplasty.

    Wang, Kevin Y / Quan, Theodore / Gu, Alex / Best, Matthew J / Stadecker, Monica / Srikumaran, Uma

    Journal of shoulder and elbow surgery

    2021  Volume 30, Issue 10, Page(s) 2393–2400

    Abstract: Background: Anemia has been demonstrated as a modifiable risk factor for postoperative complications following various types of primary and revision total joint arthroplasties. However, at present, we are not aware of any studies assessing postoperative ...

    Abstract Background: Anemia has been demonstrated as a modifiable risk factor for postoperative complications following various types of primary and revision total joint arthroplasties. However, at present, we are not aware of any studies assessing postoperative complications following total shoulder arthroplasty (TSA) in patients with varying severity of anemia. The purpose of this study was to determine the influence of preoperative anemia severity on 30-day postoperative complications following primary TSA.
    Methods: Adult patients undergoing primary TSA from 2012 to 2018 were identified in the National Surgical Quality Improvement Program database. Patients undergoing TSA were substratified into 3 cohorts: nonanemia (hematocrit >36% for women, >39% for men), mild anemia (hematocrit 33%-36% for women, 33%-39% for men), and moderate to severe anemia (hematocrit <33% for both women and men), based on World Health Organization definitions of anemia. In this analysis, 30-day wound, cardiac, pulmonary, renal, and thromboembolic complications, as well as sepsis, mortality, postoperative transfusion, extended length of stay, and reoperation were assessed. Bivariate analyses, including χ
    Results: Of 13,921 total patients undergoing TSA, 11,330 patients (81.4%) did not have anemia, 1934 (13.9%) had mild anemia, and 657 (4.7%) had moderate to severe anemia. Following adjustment, patients with mild anemia were more likely to have a postoperative blood transfusion (odds ratio [OR] 4.7, P < .001), extended length of stay (OR 1.7, P = .002), and reoperation (OR 1.5, P = .028). Patients with moderate to severe anemia were at increased risk of cardiac complications (OR 3.0, P = .012), pulmonary complications (OR 2.2, P = .015), postoperative blood transfusion (OR 23.8, P < .001), extended length of stay (OR 6.6, P < .001), reoperation (OR 2.2, P = .003), and death (OR 3.8, P = .034).
    Conclusion: From mild anemia to moderate to severe anemia, there was a stepwise and approximately 2-fold increase in the odds of postoperative complications for patients undergoing primary TSA. Patients with moderate to severe anemia should be medically optimized before they undergo TSA.
    Language English
    Publishing date 2021-02-16
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1170782-3
    ISSN 1532-6500 ; 1058-2746
    ISSN (online) 1532-6500
    ISSN 1058-2746
    DOI 10.1016/j.jse.2021.01.022
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Obesity does not associate with 5-year surgical complications following anatomic total shoulder arthroplasty and reverse total shoulder arthroplasty.

    Agarwal, Amil R / Wang, Kevin Y / Xu, Amy L / Stadecker, Monica J / Jami, Meghana / Miller, Andrew / Best, Matthew J / Srikumaran, Uma

    Journal of shoulder and elbow surgery

    2022  Volume 32, Issue 5, Page(s) 947–957

    Abstract: Background: Although obesity has been shown to increase the risk of short-term medical complications following total shoulder arthroplasty (TSA), evidence is lacking on the influence of obesity on longer-term surgical complications such as revision. The ...

    Abstract Background: Although obesity has been shown to increase the risk of short-term medical complications following total shoulder arthroplasty (TSA), evidence is lacking on the influence of obesity on longer-term surgical complications such as revision. The purpose of this study was to assess the association of increasing obesity with 2- and 5-year all-cause revision, periprosthetic joint infection (PJI), aseptic loosening, and manipulation under anesthesia (MUA) among patients undergoing reverse total shoulder arthroplasty (RTSA) or TSA.
    Methods: Patients who underwent RTSA or TSA with a minimum 5-year follow-up were identified in a national claims database (PearlDiver Technologies). Patients with obesity (body mass index [BMI] ≥30) were compared to patients who are normal or overweight (18.5 ≤ BMI < 30). Those with obesity were further stratified to those with class I or II obesity (30 ≤ BMI < 40) and those with class III obesity (BMI ≥ 40). Outcomes for comparison included all-cause revision, PJI, aseptic loosening, and MUA within 2 or 5 years. These cohorts were compared using univariate and multivariable analysis.
    Results: Patients with obesity had no significant difference in any surgical complication within 2 or 5 years for both those who underwent TSA or RTSA. After stratifying by class I or II obesity and class III obesity, there was still no significant difference in surgical complications with 2 or 5 years for both TSA patients and RTSA patients.
    Discussion: Obesity, when other major comorbidities are controlled for, was not associated with increased risk of long-term surgical complications after shoulder replacement surgery.
    MeSH term(s) Humans ; Arthroplasty, Replacement, Shoulder/adverse effects ; Obesity/complications ; Arthroplasty, Replacement ; Comorbidity ; Retrospective Studies ; Shoulder Joint/surgery ; Treatment Outcome ; Reoperation
    Language English
    Publishing date 2022-11-11
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1170782-3
    ISSN 1532-6500 ; 1058-2746
    ISSN (online) 1532-6500
    ISSN 1058-2746
    DOI 10.1016/j.jse.2022.10.013
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  6. Article: Impact of preoperative urinary tract infection on postoperative outcomes following total shoulder arthroplasty for osteoarthritis.

    Agarwal, Amil R / Cuero, Kendrick J / Stadecker, Monica / Meshram, Prashant / Sharma, Sribava / Zimmer, Zachary R / Best, Matthew J

    Shoulder & elbow

    2022  Volume 15, Issue 1 Suppl, Page(s) 100–110

    Abstract: Introduction: As the utilization of total shoulder arthroplasty (TSA) increases, it is essential to identify risk factors associated with postoperative complications. Urinary tract infection (UTI) is one such example. Our objective is to identify ... ...

    Abstract Introduction: As the utilization of total shoulder arthroplasty (TSA) increases, it is essential to identify risk factors associated with postoperative complications. Urinary tract infection (UTI) is one such example. Our objective is to identify whether UTI is associated with increased rates of prosthetic joint infection (PJI) and determine whether its treatment reduces PJI rates.
    Methods: Patients who underwent primary TSA for glenohumeral osteoarthritis between 2010 and 2019 with minimum two-year follow-up were identified in a national database (PearlDiver Technologies) using Current Procedural Terminology and International Classification of Diseases codes. These patients were stratified into two cohorts: those with preoperative UTI within two weeks of TSA and those without. The preoperative UTI cohort was stratified into those treated and those untreated prior to TSA. Univariate and multivariable analyses were performed.
    Results: Following multivariable analysis, there were significantly higher odds of postoperative anemia, pulmonary embolism, and death in the UTI cohort. Comparing treated to untreated UTI, there were no significant differences in multivariable analysis for any 90-day medical or two-year surgical complications.
    Discussion: This study showed that UTI was not associated with increased rates of PJI. UTI was, however, associated with postoperative medical complications that surgeons should be aware of.
    Language English
    Publishing date 2022-09-18
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2503275-6
    ISSN 1758-5732
    ISSN 1758-5732
    DOI 10.1177/17585732221127590
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  7. Article: Erratum to 'Total Hip Arthroplasty in An Adult Patient With Pelvic Dysmorphism, Unilateral Sacroiliac Joint Autofusion, and Developmental Hip Dysplasia' [Arthroplasty Today 6 (2020) 41-47].

    Fassihi, Safa C / Lee, Danny / Tran, Andrew A / Lee, Ryan / Pollard, Tom / Stadecker, Monica / Stake, Seth / Hughes, Alice J / Thakkar, Savyasachi

    Arthroplasty today

    2022  Volume 15, Page(s) 235

    Abstract: This corrects the article DOI: 10.1016/j.artd.2019.10.006.]. ...

    Abstract [This corrects the article DOI: 10.1016/j.artd.2019.10.006.].
    Language English
    Publishing date 2022-06-16
    Publishing country United States
    Document type Published Erratum
    ISSN 2352-3441
    ISSN 2352-3441
    DOI 10.1016/j.artd.2022.01.018
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: The role of T-cell anergy in the immunomodulation of schistosomiasis.

    Stadecker, M J

    Parasitology today (Personal ed.)

    2004  Volume 8, Issue 6, Page(s) 199–204

    Abstract: ... Miguel Stadecker proposes a novel mechanism of immunomodulation based on the observation that accessory ...

    Abstract Schistosomes are capable of causing severe tissue damage, which results from the granulomatous inflammation that develops around the parasite eggs. Characteristic of this inflammatory process is its gradual, spontaneous down-regulation (immunomodulation) as the disease progresses. There has been general agreement that the granulomatous inflammation is a consequence of T(H)-cell-mediated delayed-type hypersensitivity to egg antigens. However, the basis of immunomodulation is less clear and has been attributed to various causes. In this review, Miguel Stadecker proposes a novel mechanism of immunomodulation based on the observation that accessory cells from schistosome-infected individuals are capable of inducing a state of unresponsiveness or energy in a subpopulation of antigen-specific CD4(+) T(H)-cell clones identified with delayed-type hypersensitivity reactions.
    Language English
    Publishing date 2004-09-10
    Publishing country England
    Document type Journal Article
    ZDB-ID 632787-4
    ISSN 0169-4758
    ISSN 0169-4758
    DOI 10.1016/0169-4758(92)90264-3
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  9. Article: Total hip arthroplasty in an adult patient with pelvic dysmorphism, unilateral sacroiliac joint autofusion, and developmental hip dysplasia.

    Fassihi, Safa C / Lee, Danny / Tran, Andrew A / Lee, Ryan / Pollard, Tom / Stadecker, Monica / Stake, Seth / Hughes, Alice J / Thakkar, Savyasachi

    Arthroplasty today

    2019  Volume 6, Issue 1, Page(s) 41–47

    Abstract: This case describes the challenges associated with total hip arthroplasty in a patient with unique anatomy, including developmental dysplasia of the hip, pelvic dysmorphism, and unilateral sacroiliac joint autofusion. A 30-year-old female, with a history ...

    Abstract This case describes the challenges associated with total hip arthroplasty in a patient with unique anatomy, including developmental dysplasia of the hip, pelvic dysmorphism, and unilateral sacroiliac joint autofusion. A 30-year-old female, with a history of developmental dysplasia of the hip treated with presumed pelvic osteotomy complicated by postoperative infection, presented with hip pain refractory to conservative management. Radiographic studies demonstrated a 10-cm leg length discrepancy, 20° of acetabular retroversion, severe hemipelvic dysmorphism, ipsilateral sacroiliac joint autofusion, and significant femoral head dysplasia. Total hip arthroplasty was performed using a revision acetabular component and modular femoral component, resulting in improvement in the postoperative leg length discrepancy. There were no neurovascular or other perioperative complications, and the patient was ambulating without pain or assistive devices at 1-year follow-up.
    Language English
    Publishing date 2019-11-30
    Publishing country United States
    Document type Case Reports
    ISSN 2352-3441
    ISSN 2352-3441
    DOI 10.1016/j.artd.2019.10.006
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  10. Article: The development of granulomas in schistosomiasis: genetic backgrounds, regulatory pathways, and specific egg antigen responses that influence the magnitude of disease.

    Stadecker, M J

    Microbes and infection

    1999  Volume 1, Issue 7, Page(s) 505–510

    MeSH term(s) Animals ; Antigens, Helminth/immunology ; Cytokines/physiology ; Granuloma/immunology ; Granuloma/parasitology ; Granuloma/pathology ; Helminth Proteins ; Humans ; Mice ; Ovum/immunology ; Schistosoma mansoni/growth & development ; Schistosoma mansoni/immunology ; Schistosomiasis mansoni/genetics ; Schistosomiasis mansoni/immunology ; Schistosomiasis mansoni/parasitology ; Schistosomiasis mansoni/pathology
    Chemical Substances Antigens, Helminth ; Cytokines ; Helminth Proteins ; p40 egg antigen, Schistosoma
    Language English
    Publishing date 1999-06
    Publishing country France
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, P.H.S. ; Review
    ZDB-ID 1465093-9
    ISSN 1769-714X ; 1286-4579
    ISSN (online) 1769-714X
    ISSN 1286-4579
    DOI 10.1016/s1286-4579(99)80089-6
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