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  1. Article ; Online: The skeletal muscle metaboreflex: a novel driver of ventilation, dyspnoea and pulmonary haemodynamics during exercise in pulmonary arterial hypertension.

    Plunkett, Michael J / Sayegh, Ana Luiza C / McWilliams, Tanya J / Sithamparanathan, Sasiharan / Paton, Julian F R / Fisher, James P

    The European respiratory journal

    2024  Volume 63, Issue 1

    MeSH term(s) Humans ; Pulmonary Arterial Hypertension ; Hemodynamics ; Lung ; Dyspnea ; Muscle, Skeletal ; Reflex ; Blood Pressure/physiology ; Heart Rate
    Language English
    Publishing date 2024-01-04
    Publishing country England
    Document type Letter ; Research Support, Non-U.S. Gov't
    ZDB-ID 639359-7
    ISSN 1399-3003 ; 0903-1936
    ISSN (online) 1399-3003
    ISSN 0903-1936
    DOI 10.1183/13993003.00952-2023
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Computed Tomography Measured Psoas Cross Sectional Area Is Associated With Bone Mineral Density Measured by Dual Energy X-Ray Absorptiometry.

    Touban, Basel M / Sayegh, Michael J / Galina, Jesse / Pavlesen, Sonja / Radwan, Tariq / Anders, Mark

    Journal of clinical densitometry : the official journal of the International Society for Clinical Densitometry

    2022  Volume 25, Issue 4, Page(s) 592–598

    Abstract: Dual-energy X-ray absorptiometry (DEXA) is the gold standard for osteoporosis screening and diagnosis. However, abdominal conventional computed tomography (CT) scan is widely available and multiple studies validated its use as a screening tool for ... ...

    Abstract Dual-energy X-ray absorptiometry (DEXA) is the gold standard for osteoporosis screening and diagnosis. However, abdominal conventional computed tomography (CT) scan is widely available and multiple studies validated its use as a screening tool for osteoporosis compared to DEXA. The aim of this study was to determine the reliability of measuring core muscle size at the L3-L4 intervertebral disk space and estimate the relationship between core muscle size and bone mineral density (BMD) measured by DEXA. Retrospective chart review was performed on patients who underwent a DEXA scan for osteoporosis and a conventional abdominal CT scan within one-year apart. Total cross-sectional area (CSA) and Hounsfield Unit (HU) density of core muscles (psoas, paraspinal, and abdominal wall muscles) were measured. The association between psoas, paraspinal, abdominal, and central muscle CSA and Bone Mineral density (BMD) at L3, L4, total Lumbar Spine (LS), and right (R) and left (L) hip was estimated in crude and adjusted for age and sex linear regression models. Sixty patients (37 females, 23 males) met the inclusion criteria. The average interval between DEXA and abdominal CT scans was 3.6 months (range 0.1-10.2). Psoas muscle density was significantly positively associated with R hip BMD in both crude and adjusted models (β = 20.2, p = 0.03; β = 18.5, p = 0.01). We found a significant positive linear association between psoas muscle CSA and HU density with BMD of LS, R, and L hip in both crude and adjusted models. The strongest significant positive linear association was observed between total abdominal CSA and R hip BMD in crude and age and sex adjusted (ß = 85.3, p = 0.01; ß = 63.9, p = 0.02, respectively). CT scans obtained for various clinical indications can provide valuable information regarding BMD. This is the first study investigating association between BMD with central muscle density and CSA, and it demonstrated their significant positive the association.
    MeSH term(s) Male ; Female ; Humans ; Bone Density/physiology ; Absorptiometry, Photon/methods ; Retrospective Studies ; Reproducibility of Results ; Osteoporosis/diagnostic imaging ; Tomography, X-Ray Computed/methods ; Lumbar Vertebrae/diagnostic imaging
    Language English
    Publishing date 2022-04-29
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 2040951-5
    ISSN 1094-6950
    ISSN 1094-6950
    DOI 10.1016/j.jocd.2022.04.001
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  3. Article ; Online: Hydrogel delivery of purinergic enzymes improves cardiac ischemia/reperfusion injury.

    Sayegh, Michael N / Cooney, Kimberly A / Han, Woojin M / Cicka, Markus / Strobel, Frederick / Wang, Lanfang / García, Andrés J / Levit, Rebecca D

    Journal of molecular and cellular cardiology

    2023  Volume 176, Page(s) 98–109

    Abstract: Rationale: The innate immune response contributes to cardiac injury in myocardial ischemia/reperfusion (MI/R). Neutrophils are an important early part of the innate immune response to MI/R. Adenosine, an endogenous purine, is a known innate immune ... ...

    Abstract Rationale: The innate immune response contributes to cardiac injury in myocardial ischemia/reperfusion (MI/R). Neutrophils are an important early part of the innate immune response to MI/R. Adenosine, an endogenous purine, is a known innate immune modulator and inhibitor of neutrophil activation. However, its delivery to the heart is limited by its short half-life (<30 s) and off-target side effects. CD39 and CD73 are anti-inflammatory homeostatic enzymes that can generate adenosine from phosphorylated adenosine substrate such as ATP released from injured tissue.
    Objective: We hypothesize that hydrogel-delivered CD39 and CD73 target the local early innate immune response, reduce neutrophil activation, and preserve cardiac function in MI/R injury.
    Methods and results: We engineered a poly(ethylene) glycol (PEG) hydrogel loaded with the adenosine-generating enzymes CD39 and CD73. We incubated the hydrogels with neutrophils in vitro and showed a reduction in hydrogen peroxide production using Amplex Red. We demonstrated availability of substrate for the enzymes in the myocardium in MI/R by LC/MS, and tested release kinetics from the hydrogel. On echocardiography, global longitudinal strain (GLS) was preserved in MI/R hearts treated with the loaded hydrogel. Delivery of purinergic enzymes via this synthetic hydrogel resulted in lower innate immune infiltration into the myocardium post-MI/R, decreased markers of macrophage and neutrophil activation (NETosis), and decreased leukocyte-platelet complexes in circulation.
    Conclusions: In a rat model of MI/R injury, CD39 and CD73 delivered via a hydrogel preserve cardiac function by modulating the innate immune response.
    MeSH term(s) Rats ; Animals ; Hydrogels/therapeutic use ; Heart ; Myocardium ; Myocardial Ischemia ; Adenosine ; Myocardial Reperfusion Injury/drug therapy ; Polyethylene Glycols/therapeutic use
    Chemical Substances Hydrogels ; Adenosine (K72T3FS567) ; Polyethylene Glycols (3WJQ0SDW1A)
    Language English
    Publishing date 2023-02-09
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural
    ZDB-ID 80157-4
    ISSN 1095-8584 ; 0022-2828
    ISSN (online) 1095-8584
    ISSN 0022-2828
    DOI 10.1016/j.yjmcc.2023.02.001
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  4. Article ; Online: Histologic patterns in prostatic adenocarcinoma are not predictive of mutations in the homologous recombination repair pathway.

    Mahlow, Jon / Barry, Marc / Albertson, Daniel J / Jo, Yeon Jung / Balatico, Michael / Seasor, Tori / Gebrael, Georges / Kumar, Shruti A / Sayegh, Nicolas / Tripathi, Nishita / Agarwal, Neeraj / Swami, Umang / Sirohi, Deepika

    Human pathology

    2024  Volume 144, Page(s) 28–33

    Abstract: Somatic or germline homologous recombination repair (HRR) pathway gene mutations are commonly detected in prostate cancer, especially in advanced disease, and are associated with response to poly (ADP-ribose) polymerase (PARP) inhibitors. In this study, ... ...

    Abstract Somatic or germline homologous recombination repair (HRR) pathway gene mutations are commonly detected in prostate cancer, especially in advanced disease, and are associated with response to poly (ADP-ribose) polymerase (PARP) inhibitors. In this study, we evaluated whether histological patterns are predictive of HRR pathway gene mutations. The study population comprised 130 patients with advanced prostate carcinoma who underwent comprehensive genomic profiling (CGP) of tumor tissue at a CLIA-certified laboratory. HRR genes in the study included BRCA1, BRCA2, ATM, BARD1, BRIP, CHEK2, MRE11A, NBN, PALB2, RAD51C, RAD51D, EMSY, ATR, CHEK1, and FAM175A. Overall, 38 patients had mutations in BRCA1/2, 36 in other HRR genes, and 56 were negative for HRR mutations. All cases were re-reviewed and quantified by two genitourinary pathologists blinded to mutational status for the following histological patterns of prostate carcinoma: cribriform, ductal, intraductal carcinoma (IDC), small cell carcinoma, signet ring-like pattern, and lobular carcinoma-like pattern. Discordances were resolved by consensus review. Histologic patterns were analyzed for any correlation with mutations in HRR pathway genes (grouped as BRCA1/2 mutated or non-BRCA1/2 mutated) compared to tumors without mutations in HRR genes by Chi-square testing. Patterns with >20 % and >30 % of tumor volume were additionally evaluated for correlation with mutational status. We found no significant association between HRR pathway mutations and cribriform pattern, IDC, ductal carcinoma, small cell carcinoma, signet ring-like pattern, or lobular carcinoma-like patterns. Tumors with >20 % or >30 % histologic patterns by volume also demonstrated no significant association with mutational status. This study suggests that histopathologic examination alone is insufficient to distinguish prostate cancer with germline or somatic mutations in HRR pathway genes, highlighting the continuing importance of ancillary molecular diagnostics in guiding therapy selection for prostate cancer patients who may benefit from PARP inhibitors.
    MeSH term(s) Male ; Humans ; Recombinational DNA Repair ; BRCA1 Protein/genetics ; Carcinoma, Lobular ; BRCA2 Protein/genetics ; Mutation ; Breast Neoplasms ; Prostatic Neoplasms/genetics
    Chemical Substances BRCA1 protein, human ; BRCA1 Protein ; BRCA2 protein, human ; BRCA2 Protein
    Language English
    Publishing date 2024-01-24
    Publishing country United States
    Document type Journal Article
    ZDB-ID 207657-3
    ISSN 1532-8392 ; 0046-8177
    ISSN (online) 1532-8392
    ISSN 0046-8177
    DOI 10.1016/j.humpath.2024.01.005
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  5. Article ; Online: Robotic-assisted Simple Prostatectomy: An Intrafascial Approach for a Prostate of 470 g.

    Poncel, Jaime / Celis, Valeria / Sayegh, Aref S / Eppler, Michael / Medina, Luis G / Sotelo, Rene

    Urology

    2023  Volume 176, Page(s) 246–247

    Abstract: Background: Simple prostatectomy has been established as a management option for lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH) with glands larger than 80 cc.: Materials and methods: A 56-year-old with LUTS (IPSS: 34) ... ...

    Abstract Background: Simple prostatectomy has been established as a management option for lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH) with glands larger than 80 cc.
    Materials and methods: A 56-year-old with LUTS (IPSS: 34) for over 6 years, complicated with multiple episodes of urinary retention. PSA: 20.6 ng/mL. MRI reported a 463 cc prostate volume without focal lesions. First, the retropubic space was developed. Cystotomy was performed at the anterior bladder neck. A plane between the prostatic capsule and the surrounding fascia was dissected while carefully preserving the neurovascular bundles. Due to its large size, the prostate was divided into segments to facilitate its extraction. Hemostatic control and vesicourethral anastomosis were performed.
    Results: Discharged on postoperative day 1 with a Jackson-Pratt drain and Foley catheter removed on days 6 and 9, respectively. Pathology was negative for malignancy. Patient-reported improvement of LUTS (IPSS: 3) and preservation of erectile function (SHIM: 23) at the 3-month follow-up.
    Conclusion: The intrafascial technique can be useful in cases where a large-sized prostate hinders a transvesical approach. Additionally, it allows for an easier piecemeal of the gland. A larger series is needed to determine its potential benefits.
    MeSH term(s) Male ; Humans ; Middle Aged ; Prostate/pathology ; Robotic Surgical Procedures/methods ; Prostatic Hyperplasia/complications ; Prostatic Hyperplasia/surgery ; Prostatic Hyperplasia/pathology ; Urinary Bladder/pathology ; Prostatectomy/methods ; Lower Urinary Tract Symptoms/surgery ; Lower Urinary Tract Symptoms/complications ; Treatment Outcome
    Language English
    Publishing date 2023-03-24
    Publishing country United States
    Document type Video-Audio Media
    ZDB-ID 192062-5
    ISSN 1527-9995 ; 0090-4295
    ISSN (online) 1527-9995
    ISSN 0090-4295
    DOI 10.1016/j.urology.2023.02.034
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  6. Article ; Online: Shared injection experiences: Interpersonal involvement in injection drug practices among women.

    Barnhart, Kathryn J / Dodge, Brian / Sayegh, M Aaron / Herbenick, Debby / Reece, Michael

    Substance abuse

    2021  Volume 42, Issue 4, Page(s) 912–918

    Abstract: Background: ...

    Abstract Background:
    MeSH term(s) Adolescent ; Female ; Harm Reduction ; Humans ; Injections ; Sexual Behavior ; Substance Abuse, Intravenous
    Language English
    Publishing date 2021-04-02
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1458030-5
    ISSN 1547-0164 ; 0889-7077
    ISSN (online) 1547-0164
    ISSN 0889-7077
    DOI 10.1080/08897077.2021.1903650
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  7. Article ; Online: Does Time Spent in the Post-Anesthesia Care Unit Affect Hospital Lengths of Stay following Primary Total Knee Arthroplasty?

    Sayegh, Michael J / Garbarino, Luke J / Gold, Peter A / Anis, Hiba K / Chen, Zhongming / Sodhi, Nipun / Danoff, Jonathan R / Mont, Michael A

    The journal of knee surgery

    2022  Volume 37, Issue 1, Page(s) 43–48

    Abstract: Given the current healthcare economic environment, substantial efforts have been made to help streamline the in-hospital care for total knee arthroplasty (TKA) patients. While potential cost-reducing factors have been identified in the literature, ... ...

    Abstract Given the current healthcare economic environment, substantial efforts have been made to help streamline the in-hospital care for total knee arthroplasty (TKA) patients. While potential cost-reducing factors have been identified in the literature, analyses specifically considering post-anesthesia care unit (PACU) lengths of stay (LOS) are lacking. Therefore, the purpose of this study was to identify factors associated with (1) longer PACU LOS as well as (2) longer Hospital LOS. Prospectively collected TKA data from seven participating hospitals within a large health system were evaluated for patient demographics, body mass indices, Charlson Comorbidity Indices (CCI), surgeon volumes/training, admission types, anesthesia types, PACU LOS, and overall hospital LOS. Complete data was available for 1,690 patients (1,082 females, mean age: 67 years). Univariate and multivariate analytical models were constructed to identify which factors were predictive of longer PACU and overall hospital LOS. Same-day admissions, higher volume surgeons (≥ 100 cases per year), fellowship-trained arthroplasty surgeons, and longer operative times were associated with longer PACU LOS (
    MeSH term(s) Female ; Humans ; Aged ; Arthroplasty, Replacement, Knee ; Prospective Studies ; Hospitals ; Length of Stay ; Anesthesia ; Retrospective Studies
    Language English
    Publishing date 2022-12-31
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2075354-8
    ISSN 1938-2480 ; 1538-8506 ; 0899-7403
    ISSN (online) 1938-2480
    ISSN 1538-8506 ; 0899-7403
    DOI 10.1055/s-0042-1759791
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  8. Article ; Online: Ulnar Neuropathy After Intermittent Prone Positioning for COVID-19 Infection: A Preliminary Report of 3 Cases.

    Sayegh, Michael J / Larsen, Christopher G / Pinpin, Camille / Intravia, Jessica M / Nellans, Kate W

    JBJS case connector

    2021  Volume 11, Issue 1

    Abstract: Case: We describe a preliminary report of 3 cases of ulnar neuropathy after coronavirus disease 2019 (COVID-19) infection and treatment with intermittent prone positioning.: Conclusion: Ulnar neuropathy may be associated with recent COVID-19 ... ...

    Abstract Case: We describe a preliminary report of 3 cases of ulnar neuropathy after coronavirus disease 2019 (COVID-19) infection and treatment with intermittent prone positioning.
    Conclusion: Ulnar neuropathy may be associated with recent COVID-19 infection. The natural process of the disease and intermittent prone positioning are likely risk factors contributing to this finding. Conservative management seems to lead to improvement of symptoms.
    MeSH term(s) COVID-19/therapy ; COVID-19/virology ; Female ; Humans ; Intubation, Intratracheal/adverse effects ; Male ; Middle Aged ; Patient Positioning/adverse effects ; Prone Position ; SARS-CoV-2 ; Ulnar Neuropathies/etiology
    Language English
    Publishing date 2021-03-19
    Publishing country United States
    Document type Case Reports ; Journal Article
    ISSN 2160-3251
    ISSN (online) 2160-3251
    DOI e20.00729
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  9. Article ; Online: Effects of Premixing Betamethasone and Lidocaine on Chondrocyte Inflammation in an

    Sayegh, Michael J / Pinpin, Camille / Larsen, Christopher G / Neufeld, Eric V / Intravia, Jessica M / Nellans, Kate W / Lane, Lewis B / Grande, Daniel

    Hand (New York, N.Y.)

    2022  Volume 18, Issue 7, Page(s) 1183–1189

    Abstract: Background: It is common practice for hand surgeons to premix corticosteroids with a local anesthetic and store the mixture in pre-loaded syringes for rapid use during clinic. However, any possible loss of efficacy with this practice has never been ... ...

    Abstract Background: It is common practice for hand surgeons to premix corticosteroids with a local anesthetic and store the mixture in pre-loaded syringes for rapid use during clinic. However, any possible loss of efficacy with this practice has never been studied. The purpose of this study, therefore, is to determine whether premixing betamethasone sodium phosphate/betamethasone acetate (BSP) and lidocaine (L) at different time intervals from injection has diminishing anti-inflammatory effects on chondrocytes
    Methods: Human articular chondrocytes were partitioned into six groups: two controls and four experimental conditions. The negative control had growth media only. The positive control had growth media and inflammatory cytokines (interleukin-1β and oncostatin M). Experimental conditions were additionally treated with BSP alone or BSP mixed with lidocaine (BSP + L) at the time of treatment (0 hours), or at 4 or 24 hours prior. Relative expressions of inflammatory genes were measured.
    Results: Relative to the positive control, chondrocytes in all experimental conditions decreased expression of TNF-α, MMP-3, and ADAMTS-4. Chondrocytes exposed to BSP only or BSP + L at 4 hours or 24 hours prior to treatment decreased expression of IL-8. Chondrocytes exposed to BSP only or BSP + L at 0 hours or 4 hours prior to treatment decreased expression of MMP-1. There were no significant differences in expression of IL-6 or MMP-13.
    Conclusions: Treatment with BSP + L prepared in pre-loaded syringes at varying time intervals up to 24 hours prior to injection does not significantly impact the ability of the mixture to reduce expression of certain key inflammatory mediators
    MeSH term(s) Humans ; Chondrocytes/metabolism ; Betamethasone/pharmacology ; Betamethasone/metabolism ; Lidocaine/pharmacology ; Inflammation ; Anesthetics, Local/pharmacology
    Chemical Substances Betamethasone (9842X06Q6M) ; Lidocaine (98PI200987) ; Anesthetics, Local
    Language English
    Publishing date 2022-02-22
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2277325-3
    ISSN 1558-9455 ; 1558-9447
    ISSN (online) 1558-9455
    ISSN 1558-9447
    DOI 10.1177/15589447221077346
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  10. Article ; Online: Criteria for enhancing reporting of perioperative transfusions in surgical and anaesthesiological studies.

    Eppler, Michael B / Ganjavi, Conner / Davis, Ryan / Sayegh, Aref S / Hershenhouse, Jacob S / Mokhtar, Daniel / Knudsen, J Everett / Tran, John / Bhardwaj, Lokesh / Shin, John J S / Hemal, Sij / Goldenberg, Mitchell G / Miranda, Gus / Sotelo, Rene / Desai, Mihir / Gill, Inderbir / Cacciamani, Giovanni E

    The British journal of surgery

    2023  Volume 110, Issue 12, Page(s) 1655–1658

    MeSH term(s) Humans ; Blood Transfusion ; Perioperative Care ; Retrospective Studies
    Language English
    Publishing date 2023-07-24
    Publishing country England
    Document type Journal Article
    ZDB-ID 2985-3
    ISSN 1365-2168 ; 0263-1202 ; 0007-1323 ; 1355-7688
    ISSN (online) 1365-2168
    ISSN 0263-1202 ; 0007-1323 ; 1355-7688
    DOI 10.1093/bjs/znad235
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