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Gohel S, Kalarikkal Z, Lavingia V, Mankad J. The Immune System's Echo: The Phenomenon of Delayed Neurological Immune-Related Adverse Events (NirAEs) in Adjuvant Immunotherapy. Cureus 2023; 15:e44529. [PMID: 37790035 PMCID: PMC10544656 DOI: 10.7759/cureus.44529] [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: 08/29/2023] [Indexed: 10/05/2023] Open
Abstract
The use of immune checkpoint inhibitors (ICIs) in early-stage settings has shown promise but can lead to chronic immune-related toxicities known as delayed immune-related adverse events (DIREs). These events, occurring after immunotherapy cessation, can affect various organ systems. Fatal immune-related adverse events (irAEs) are relatively rare but significant. Diagnostic challenges exist in distinguishing DIREs from disease sequelae. Efforts are needed to develop evidence-based strategies for managing DIREs as long-term survival with ICIs becomes possible. This case study highlights delayed neurological immune-related adverse events (NirAEs) encountered during pembrolizumab treatment, emphasizing the need for accurate diagnosis and prompt management. Reporting practices in immunotherapy trials hinder accurate assessment of DIREs. Close monitoring, accurate diagnosis, and timely corticosteroid administration are vital for effective DIRE management.
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Affiliation(s)
- Shruti Gohel
- Medical Oncology, HealthCare Global (HCG) Cancer Center, Ahmedabad, Ahmedabad, IND
| | - Zeid Kalarikkal
- Critical Care, Aurora St. Luke's Medical Center, Milwaukee, USA
| | - Viraj Lavingia
- Medical Oncology, HealthCare Global (HCG) Cancer Center, Ahmedabad, Ahmedabad, IND
| | - Jigar Mankad
- Neurology, Aurora St. Luke's Medical Center, Milwaukee, USA
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Ehrman RR, Malik AN, Smith RK, Kalarikkal Z, Huang A, King RM, Green RD, O'Neil BJ, Sherwin RL. Serial use of existing clinical decisions aids can reduce computed tomography pulmonary angiography for pulmonary embolism. Intern Emerg Med 2021; 16:2251-2259. [PMID: 33742340 DOI: 10.1007/s11739-021-02703-1] [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] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 03/08/2021] [Indexed: 12/13/2022]
Abstract
Pulmonary embolism (PE) remains a diagnostic challenge in emergency medicine. Clinical decision aids (CDAs) like the Pulmonary Embolism Rule-Out Criteria (PERC) are sensitive but poorly specific; serial CDA use may improve specificity. The goal of this before-and-after study was to determine if serial use of existing CDAs in a novel diagnostic algorithm safely decreases the use of CT pulmonary angiograms (CTPA). This was a retrospective before-and-after study conducted at an urban ED with 105,000 annual visits. Our algorithm uses PERC, Wells' score, and D-dimer in series, before moving to CTPA. The algorithm was introduced in January, 2017. Use of CDAs and D-dimer in the 24 months pre- and 12 months post-intervention were obtained by chart review. The algorithm's effect on CTPA ordering was assessed by comparing volume 5 years pre- and 3 years post-intervention, adjusted for ED volume. Mean CTPAs per 1000 adult ED visits was 11.1 in the 5 pre-intervention years and 9.9 in the 3 post-intervention years (p < 0.0001). Use of PERC, Wells' score and D-dimer increased from 1.1%, 1.1%, and 28% to 8.8% (p = 0.0002) 8.1% (p = 0.0005), and 35% (p = 0.0066), respectively. Pre-intervention, there were six potentially missed PEs compared to three in the post-intervention period. Introduction of our serial CDA diagnostic algorithm was associated with increased use of CDAs and D-dimer and reduced CTPA rate without an apparent increase in the number of missed PEs. Prospective validation is needed to confirm these results.
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Affiliation(s)
- Robert Russell Ehrman
- Department of Emergency Medicine, Wayne State University School of Medicine; Detroit Medical Center/Sinai-Grace Hospital, 4201 St. Antoine, Suite 6G, Detroit, MI, 48201, USA.
| | - Adrienne Nicole Malik
- Department of Emergency Medicine, Wayne State University School of Medicine; Detroit Medical Center/Sinai-Grace Hospital, 4201 St. Antoine, Suite 6G, Detroit, MI, 48201, USA
| | - Reid Kenneth Smith
- Department of Emergency Medicine, Wayne State University School of Medicine; Detroit Medical Center/Sinai-Grace Hospital, 4201 St. Antoine, Suite 6G, Detroit, MI, 48201, USA
| | - Zeid Kalarikkal
- Department of Emergency Medicine, Wayne State University School of Medicine; Detroit Medical Center/Sinai-Grace Hospital, 4201 St. Antoine, Suite 6G, Detroit, MI, 48201, USA
| | - Andrew Huang
- Department of Emergency Medicine, Wayne State University School of Medicine; Detroit Medical Center/Sinai-Grace Hospital, 4201 St. Antoine, Suite 6G, Detroit, MI, 48201, USA
| | - Ryan Michael King
- Department of Emergency Medicine, Wayne State University School of Medicine; Detroit Medical Center/Sinai-Grace Hospital, 4201 St. Antoine, Suite 6G, Detroit, MI, 48201, USA
| | - Rubin David Green
- Department of Emergency Medicine, Wayne State University School of Medicine; Detroit Medical Center/Sinai-Grace Hospital, 4201 St. Antoine, Suite 6G, Detroit, MI, 48201, USA
| | - Brian James O'Neil
- Department of Emergency Medicine, Wayne State University School of Medicine; Detroit Medical Center/Detroit Receiving Hospital, Detroit, USA
| | - Robert Leigh Sherwin
- Department of Emergency Medicine, Wayne State University School of Medicine; Detroit Medical Center/Sinai-Grace Hospital, 4201 St. Antoine, Suite 6G, Detroit, MI, 48201, USA
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Kalarikkal Z, Fox-Dahl K, Mahal E, Greiner T, Tulpule S, Neuhalfen K, Rohe E. 530: THE MANY FACES OF ACUTE MYELOID LEUKEMIA. Crit Care Med 2020. [DOI: 10.1097/01.ccm.0000620464.46889.8c] [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] [Indexed: 11/25/2022]
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Thom S, Kalarikkal Z, Kakarla P, Sherwin R. 385 Management Patterns and Outcomes of Patients With Severe Sepsis or Septic Shock Admitted From the Emergency Department With End Stage Renal Disease or Congestive Heart Failure. Ann Emerg Med 2017. [DOI: 10.1016/j.annemergmed.2017.07.355] [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] [Indexed: 10/18/2022]
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