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  1. Article ; Online: Improving Judicious Use of Heparin-Induced Thrombocytopenia Testing Through Electronic Health Record-Based Intervention.

    Machhi, Rushad / Lindholm, Paul F / Cooke, David / Groth, Matthew / Martin, Karlyn A

    Joint Commission journal on quality and patient safety

    2023  Volume 49, Issue 11, Page(s) 648–654

    Abstract: Background: Heparin-induced thrombocytopenia (HIT) is an immune-mediated drug reaction that can cause thromboembolism in the setting of thrombocytopenia. An enzyme-linked immunosorbent assay (ELISA)-based assay to screen for HIT antibodies (HAb) is ... ...

    Abstract Background: Heparin-induced thrombocytopenia (HIT) is an immune-mediated drug reaction that can cause thromboembolism in the setting of thrombocytopenia. An enzyme-linked immunosorbent assay (ELISA)-based assay to screen for HIT antibodies (HAb) is available but has relatively low specificity and a correspondingly high false positive rate. The 4Ts score has been validated to determine the pretest probability of HIT. The authors hypothesized that an electronic health record (EHR)-based clinical decision support (CDS) tool incorporating the 4Ts score would reduce the volume of HAb orders.
    Methods: After implementing a CDS tool into the EHR, the researchers retrospectively evaluated the impact from November 2019 to October 2021, compared to a preintervention period (January to October 2019). The primary outcome was average tests per month. Secondary outcomes included rates of tests ordered per total inpatient encounters and proportion of HAb sent despite low 4Ts score in the postintervention study period.
    Results: Of 1,833 HAb sent during the study period, 1,217 occurred in the postintervention period. In the postintervention period compared with the preintervention period, the average orders per month was 50.5 (standard deviation [SD] 9.7) vs. 61.6 (SD 7.2) (p = 0.003), and the order incidence rate was 8.0 per 1,000 patient encounters postintervention vs. 9.2 per 1,000 patient encounters preintervention (rate ratio [RR] 0.87, 95% confidence interval [CI] 0.79-0.96, p = 0.002). Postintervention, 252 (20.7%) had a 4Ts score calculated as low probability, 759 (62.4%) as intermediate probability, and 131 (10.8%) as high probability, and 75 had no associated 4Ts score.
    Conclusion: Implementation of a simple CDS tool reduced the rate of HAb orders, reducing unnecessary HAb testing.
    MeSH term(s) Humans ; Heparin/adverse effects ; Electronic Health Records ; Retrospective Studies ; Thrombocytopenia/chemically induced ; Thrombocytopenia/diagnosis ; Enzyme-Linked Immunosorbent Assay ; Anticoagulants/adverse effects
    Chemical Substances Heparin (9005-49-6) ; Anticoagulants
    Language English
    Publishing date 2023-07-04
    Publishing country Netherlands
    Document type Journal Article ; Research Support, N.I.H., Extramural
    ZDB-ID 1189890-2
    ISSN 1938-131X ; 1549-425X ; 1553-7250 ; 1070-3241 ; 1549-3741
    ISSN (online) 1938-131X ; 1549-425X
    ISSN 1553-7250 ; 1070-3241 ; 1549-3741
    DOI 10.1016/j.jcjq.2023.06.015
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Unexplained Hematocrit Increase after Therapeutic Phlebotomy in a Patient with Marked Erythrocytosis.

    Machhi, Rushad / Cunningham, Ashley M / Hennrick, Kenneth / Schaser, Karen A / Williams, Eliot C / Rose, William Nicholas

    Case reports in hematology

    2022  Volume 2022, Page(s) 5018388

    Abstract: We report a patient with hereditary erythrocytosis who underwent a therapeutic phlebotomy and had a post-phlebotomy hematocrit that was higher than the pre-phlebotomy hematocrit. We could not discern a reason for this hematocrit increase after phlebotomy. ...

    Abstract We report a patient with hereditary erythrocytosis who underwent a therapeutic phlebotomy and had a post-phlebotomy hematocrit that was higher than the pre-phlebotomy hematocrit. We could not discern a reason for this hematocrit increase after phlebotomy. Instead of performing another phlebotomy, we performed an automated red cell depletion via an apheresis instrument. This procedure is essentially a red cell exchange, but 5% albumin is used as the replacement fluid instead of red blood cells. The patient's hematocrit decreased from 80% to 39% after three consecutive daily red cell depletion procedures. We share our experience to report the unusual finding of a patient's hematocrit that increased with phlebotomy and to raise awareness of the red cell depletion procedure.
    Language English
    Publishing date 2022-08-11
    Publishing country United States
    Document type Case Reports
    ZDB-ID 2627639-2
    ISSN 2090-6579 ; 2090-6560
    ISSN (online) 2090-6579
    ISSN 2090-6560
    DOI 10.1155/2022/5018388
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Post-transplant erythrocytosis after kidney transplantation: A review.

    Alzoubi, Beyann / Kharel, Abish / Machhi, Rushad / Aziz, Fahad / Swanson, Kurtis J / Parajuli, Sandesh

    World journal of transplantation

    2021  Volume 11, Issue 6, Page(s) 220–230

    Abstract: Post-transplant erythrocytosis (PTE) is defined as persistently elevated hemoglobin > 17 g/dL or hematocrit levels > 51% following kidney transplantation, independent of duration. It is a relatively common complication within 8 months to 24 months post- ... ...

    Abstract Post-transplant erythrocytosis (PTE) is defined as persistently elevated hemoglobin > 17 g/dL or hematocrit levels > 51% following kidney transplantation, independent of duration. It is a relatively common complication within 8 months to 24 months post-transplantation, occurring in 8%-15% of kidney transplant recipients. Established PTE risk factors include male gender, normal hemoglobin/hematocrit pre-transplant (suggestive of robust native kidney erythropoietin production), renal artery stenosis, patients with a well-functioning graft, and dialysis before transplantation. Many factors play a role in the development of PTE, however, underlying endogenous erythropoietin secretion pre-and post-transplant is significant. Other contributory factors include the renin-angiotensin- aldosterone system, insulin-like growth factors, endogenous androgens, and local renal hypoxia. Most patients with PTE experience mild symptoms like malaise, headache, fatigue, and dizziness. While prior investigations showed an increased risk of thromboembolic events, more recent evidence tells a different story-that PTE perhaps has lessened risk of thromboembolic events or negative graft outcomes than previously thought. In the evaluation of PTE, it is important to exclude other causes of erythrocytosis including malignancy before treatment. Angiotensin converting enzyme inhibitors (ACE-I) and angiotensin receptor blockers (ARBs) are the mainstays of treatment. Increased ACE-I/ARB use has likely contributed to the falling incidence of erythrocytosis. In this review article, we summarize the current literature in the field of post-transplant erythrocytosis after kidney transplantation.
    Language English
    Publishing date 2021-06-18
    Publishing country United States
    Document type Journal Article ; Review
    ISSN 2220-3230
    ISSN 2220-3230
    DOI 10.5500/wjt.v11.i6.220
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Characteristics and Graft Survival of Kidney Transplant Recipients with Renal Cell Carcinoma.

    Machhi, Rushad / Mandelbrot, Didier A / Al-Qaoud, Talal / Astor, Brad C / Parajuli, Sandesh

    American journal of nephrology

    2020  Volume 51, Issue 10, Page(s) 777–785

    Abstract: Background: The incidence of renal cell carcinoma (RCC) is higher in kidney transplant recipients (KTRs) compared to the general population. However, the risk factors and outcomes based on the diagnosis of RCC after kidney transplantation are limited.!## ...

    Abstract Background: The incidence of renal cell carcinoma (RCC) is higher in kidney transplant recipients (KTRs) compared to the general population. However, the risk factors and outcomes based on the diagnosis of RCC after kidney transplantation are limited.
    Methods: We analyzed risk factors for the development of RCC in KTRs transplanted at our institution between 1994 and 2016. We compared the incidence of graft failure and mortality in KTRs with RCC to matched controls using 5:1 event density sampling. Identifying the risk factors of RCC and patient and graft survival were outcomes of interest.
    Results: There were 4,178 KTRs performed at our institution during the study period, and 51 patients were diagnosed with RCC. Recipients were followed until graft failure or death. We did not identify commonly looked at baseline characteristics associated with the risk of RCC. Comparing KTRs with RCC to matched controls, RCC patients were younger (47.5 vs. 49.6 years, p < 0.01), received basiliximab induction more commonly (p = 0.01), had hypertension and glomerulonephritis as causes of end-stage renal disease (p = 0.01), and were more likely to be smokers (p < 0.01). RCC was significantly associated with death-censored graft failure (adjusted hazard ratio [HR]: 1.76; 95% CI: 1.02-3.03; p = 0.04) but not patient death (adjusted HR: 0.95; 95% CI: 0.50-1.83; p = 0.89).
    Conclusion: In our experience, RCC had a detrimental impact on graft survival among KTRs, highlighting the potential benefit of early diagnosis and optimal immunosuppression management in optimizing graft survival.
    MeSH term(s) Carcinoma, Renal Cell/complications ; Carcinoma, Renal Cell/surgery ; Case-Control Studies ; Female ; Follow-Up Studies ; Graft Rejection/epidemiology ; Graft Rejection/immunology ; Graft Rejection/prevention & control ; Graft Survival ; Humans ; Immunosuppressive Agents/therapeutic use ; Incidence ; Kidney Failure, Chronic/etiology ; Kidney Failure, Chronic/surgery ; Kidney Neoplasms/complications ; Kidney Neoplasms/surgery ; Kidney Transplantation/adverse effects ; Kidney Transplantation/statistics & numerical data ; Male ; Middle Aged ; Retrospective Studies ; Risk Assessment/statistics & numerical data ; Risk Factors
    Chemical Substances Immunosuppressive Agents
    Language English
    Publishing date 2020-09-30
    Publishing country Switzerland
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 604540-6
    ISSN 1421-9670 ; 0250-8095
    ISSN (online) 1421-9670
    ISSN 0250-8095
    DOI 10.1159/000510616
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Impact of Race and Social Determinants of Health on Outcomes in Patients with Aggressive B-cell nHL Treated with CAR-T.

    Karmali, Reem / Machhi, Rushad / Epperla, Narendranath / Shouse, Geoffrey / Romancik, Jason T / Moyo, Tamara K / Kenkre, Vaishalee P / Ollila, Thomas A / Fitzgerald, Lindsey A / Hess, Brian T / David, Kevin A / Roy, Ishan / Zurko, Joanna C / Chowdhury, Sayan Mullick / Annunzio, Kaitlin / Ferdman, Robert / Bhansali, Rahul S / Harris, Elyse I / Liu, Jieqi /
    Nizamuddin, Imran A / Ma, Shuo / Moreira, Jonathan / Winter, Jane N / Pro, Barbara / Stephens, Deborah M / Danilov, Alexey V / Shah, Nirav N / Cohen, Jonathon B / Barta, Stefan K / Torka, Pallawi / Gordon, Leo I

    Blood advances

    2024  

    Abstract: Healthcare disparities driven by multiple social, economic, and/or environmental factors lead to inequalities in health outcomes. CAR-T cell immunotherapy is an effective therapy for relapsed/refractory B-cell non-Hodgkin lymphoma (r/r B-NHL). However, ... ...

    Abstract Healthcare disparities driven by multiple social, economic, and/or environmental factors lead to inequalities in health outcomes. CAR-T cell immunotherapy is an effective therapy for relapsed/refractory B-cell non-Hodgkin lymphoma (r/r B-NHL). However, data are limited on the impact of the convergence of race and social determinants of health on outcomes for patients treated with CAR-T therapy. We examined the impact of interactions between race and insurance type on health care utilization and outcomes in patients treated with CAR-T for aggressive B-NHL. Adult patients with r/r B-NHL treated with CD19 CAR-T were identified between 2015 and 2021 across 13 US academic centers. Insurance type, demographic and clinical data were collected and analyzed via Chi-squared and Kaplan-Meier analysis. Cox multivariable regression (MVA) was used to determine the impact of race/ethnicity and other variables on survival. 466 adult patients were included in our analysis. Median follow-up after CAR-T was 12.7 months. Median progression free survival (mPFS) was longer for Caucasians (11.5 months) than for African Americans (3.5 months, HR 1.56 [1.03-2.4], p=0.04) or Asians (2.7 months, HR 1.7 [1.02-2.67], p=0.04). Differences in median overall survival (mOS) were not significant. For Medicare (n=206) vs Medicaid (n=33) vs private insurance (n=219) vs self-pay (n=7): mPFS was 15.9 vs 4.2 vs 6.0 vs 0.9 months (p<0.001) and mOS was 31.2 vs 12.8 vs 21.5 vs 3.2 months (p<0.001), respectively. Collectively, our multi-center retrospective analysis showed that race and insurance status can impact outcomes for patients treated with CAR-T cell therapy.
    Language English
    Publishing date 2024-03-26
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2915908-8
    ISSN 2473-9537 ; 2473-9529
    ISSN (online) 2473-9537
    ISSN 2473-9529
    DOI 10.1182/bloodadvances.2023011996
    Database MEDical Literature Analysis and Retrieval System OnLINE

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