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John S, Cantu Lopez C, Herrera-Gonzalez S, Bains Y. Colonic Metastasis in a Patient With Hereditary Diffuse Gastric Cancer: A Case Report. Cureus 2024; 16:e59483. [PMID: 38826894 PMCID: PMC11142867 DOI: 10.7759/cureus.59483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/01/2024] [Indexed: 06/04/2024] Open
Abstract
Metastasis of gastric carcinoma to atypical locations can complicate management, often leading clinicians to rely heavily on chemotherapy. While instances of gastric carcinoma spreading to the liver, peritoneum, and lymphatics are well documented in the literature, there is limited evidence of its spread to intraintestinal organs, particularly the colon. This scarcity of reports complicates diagnosis, given the variations in histopathology. This case report highlights a 35-year-old patient diagnosed with colonic metastasis from hereditary diffuse gastric cancer (HDGC) while being evaluated for potential causes of iron deficiency anemia. A mutation in the E-cadherin (CDH1) tumor suppressor gene is associated with HDGC. Dysregulation of CDH1 leads to tumor proliferation, invasion, migration, and metastasis. Treatment options for gastric cancer include surgical resection with neoadjuvant or adjuvant chemotherapy or palliative care with chemotherapy in metastatic disease. Although colonic metastasis from gastric cancer is rare, documented incidents can offer valuable insights that avoid misdiagnosing primary tumors and help guide further management.
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Jain A, John S, Gupta S. Enigma of Acantholytic and Clear Cell Changes in Oral Squamous Cell Carcinoma. Head Neck Pathol 2024; 18:18. [PMID: 38489075 PMCID: PMC10942947 DOI: 10.1007/s12105-024-01611-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 01/03/2024] [Indexed: 03/17/2024]
Abstract
Only limited cases have been reported about the clear cell variant of squamous cell carcinoma occurring in the oral cavity. The present study regards the case showing the histopathological features of both the clear cell and acantholytic variants of oral squamous cell carcinoma. A review of the literature has been done to understand the pathogenesis of those changes. Also, a hypothesis has been given that the clear cell changes could be the consequences of the cascades of the acantholytic process and not a separate entity. Therefore, more research is required to confirm this hypothesis and understand the prognosis of the lesion.
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John S, Subba P, Aramugam A, Gupta S, Khanna R. A serious warning: A case report on localized amyloidosis of the oral cavity. INDIAN J PATHOL MICR 2024:00004270-990000000-00146. [PMID: 38427769 DOI: 10.4103/ijpm.ijpm_720_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 11/18/2023] [Indexed: 03/03/2024] Open
Abstract
ABSTRACT Amyloidosis is a relatively rare condition with an array of complex pathophysiology. Localized amyloidosis is a rare and benign condition that practically never results in any clinical repercussions in the head and neck area. Multiple soft nodules of the tongue, lip, and cheek are the most commonly described defining characteristics of localized oral amyloidosis. These nodules originate due to the proliferation of abnormally folded protein aggregates in the body's extracellular tissue compartments, which destroy organ structure and function. Herein, we address the case of a female infant aged one with a smooth nodule in the labial mucosa who was diagnosed with primary localized amyloidosis. When a patient is diagnosed with amyloidosis of the oral mucosa, the possibility of systemic amyloidosis or an underlying plasma cell dyscrasia must be ruled out. Surgical treatment may be beneficial for eliminating any functional impairment if primary localized amyloidosis is established.
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Selvam R, John S, Sankar R, Khan E, Gupta S, Chandra S. B-cell Follicular Lymphoid Hyperplasia (Pseudolymphoma) of the Oral Cavity: A Diagnostic Quandary. Indian J Otolaryngol Head Neck Surg 2024; 76:1029-1032. [PMID: 38440658 PMCID: PMC10908898 DOI: 10.1007/s12070-023-04086-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 07/13/2023] [Indexed: 03/06/2024] Open
Abstract
Pseudolymphoma is a reactive process involving lymphadenopathy, polyclonal proliferation of B or T-cells, simulating oral lymphoma. With its incidence being very rare, only four cases have been reported in oral cavity with the detailed immunocytochemical examination, which can be due to this entity's unawareness, underdiagnosis or overdiagnosis. It is prerogative to perform immunocytochemical investigations to prevent overdiagnosis as lymphoma, which can be debilitating to the patient. Wherein the treatment of pseudolymphoma initially includes topical or intralesional corticosteroid, antibiotics to surgical and radiotherapy based on its etiology. Herein, we discuss B-cell follicular lymphoid hyperplasia previously diagnosed as small round cell tumor.
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John S, Ramya S, Verma S, Samadi FM, Gupta S. Clear and Spindle Cell Dedifferentiation in Ameloblastic Carcinoma: A Case Report on a Uncommon Phenomenon. Indian J Otolaryngol Head Neck Surg 2024; 76:1229-1233. [PMID: 38440659 PMCID: PMC10908652 DOI: 10.1007/s12070-023-04232-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 09/11/2023] [Indexed: 03/06/2024] Open
Abstract
Ameloblastic carcinoma is a rare malignant neoplasm with characteristic histopathological features that are directed towards an aggressive surgical approach than benign odontogenic lesions. It affects people of all ages, mostly in the posterior mandible, without a preference for race or gender. De novo cancer is one of its primary types, while the second type is defined as a malignant change from an antecedent case of benign ameloblastoma. The rapid progression of molecular biology led to the revelation that ameloblastoma contains a BRAF-V600E genetic mutation over 60%. Besides conventional ameloblastic carcinomas, rare histologic variants have also been described in the literature, including clear and spindle cells. These variants pose diagnostic challenges as to whether it is a dedifferentiation or a distinct entity. The dearth of data lends credence to the notion that these histologic variations are related to high-grade neoplasms and more aggressive outcomes. As a result, the current report intends to analyze a series of patients diagnosed with conventional ameloblastic carcinoma of the head and neck region with spindle and clear cell types along with a brief assessment of the literature.
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John S, Jain A, Khan E, Gupta S, Chandra S. Metamorphosis of Dentigerous cyst: A case Series with Insight into Molecular Profiling. Indian J Otolaryngol Head Neck Surg 2024; 76:1402-1409. [PMID: 38440613 PMCID: PMC10908750 DOI: 10.1007/s12070-023-04156-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Accepted: 08/18/2023] [Indexed: 03/06/2024] Open
Abstract
The objective of this study was to review the clinical, radiologic, and histologic aspects of cases of dentigerous cysts metamorphosing into different entities along with comments on the molecular factors involved in the process. A series comprising 8 cases of dentigerous cysts was performed retrospectively along with a comprehensive literature review. Two cases of dentigerous cyst converting into mucous metaplasia were included, out of which one case was transformed into ameloblastoma after a year. The other two cases were reported as acanthomatous and unicystic ameloblastoma, whereas four transitioned to AOT. The complete review of cases and literature with molecular profiling concluded that the lining of dentigerous cysts has the potential for transforming into benign odontogenic tumors. Therefore, a careful clinical and histopathological examination is crucial for the correct diagnosis. Also, a thorough molecular understanding of the cystic lining is required.
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Lee I, Surendran A, Fleury S, Gimino I, Curtiss A, Fell C, Shiwarski DJ, Refy O, Rothrock B, Jo S, Schwartzkopff T, Mehta AS, Wang Y, Sipe A, John S, Ji X, Nikiforidis G, Feinberg AW, Hester J, Weber DJ, Veiseh O, Rivnay J, Cohen-Karni T. Electrocatalytic on-site oxygenation for transplanted cell-based-therapies. Nat Commun 2023; 14:7019. [PMID: 37945597 PMCID: PMC10636048 DOI: 10.1038/s41467-023-42697-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 10/19/2023] [Indexed: 11/12/2023] Open
Abstract
Implantable cell therapies and tissue transplants require sufficient oxygen supply to function and are limited by a delay or lack of vascularization from the transplant host. Previous exogenous oxygenation strategies have been bulky and had limited oxygen production or regulation. Here, we show an electrocatalytic approach that enables bioelectronic control of oxygen generation in complex cellular environments to sustain engineered cell viability and therapy under hypoxic stress and at high cell densities. We find that nanostructured sputtered iridium oxide serves as an ideal catalyst for oxygen evolution reaction at neutral pH. We demonstrate that this approach exhibits a lower oxygenation onset and selective oxygen production without evolution of toxic byproducts. We show that this electrocatalytic on site oxygenator can sustain high cell loadings (>60k cells/mm3) in hypoxic conditions in vitro and in vivo. Our results showcase that exogenous oxygen production devices can be readily integrated into bioelectronic platforms, enabling high cell loadings in smaller devices with broad applicability.
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John S, Barnett W, Abdala A, Zoccal D, Rubin J, Molkov Y. The role of Kölliker-Fuse nucleus in breathing variability. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.15.545086. [PMID: 37398197 PMCID: PMC10312726 DOI: 10.1101/2023.06.15.545086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
The Kölliker-Fuse nucleus (KF), which is part of the parabrachial complex, participates in the generation of eupnea under resting conditions and the control of active abdominal expiration when increased ventilation is required. Moreover, dysfunctions in KF neuronal activity are believed to play a role in the emergence of respiratory abnormalities seen in Rett syndrome (RTT), a progressive neurodevelopmental disorder associated with an irregular breathing pattern and frequent apneas. Relatively little is known, however, about the intrinsic dynamics of neurons within the KF and how their synaptic connections affect breathing pattern control and contribute to breathing irregularities. In this study, we use a reduced computational model to consider several dynamical regimes of KF activity paired with different input sources to determine which combinations are compatible with known experimental observations. We further build on these findings to identify possible interactions between the KF and other components of the respiratory neural circuitry. Specifically, we present two models that both simulate eupneic as well as RTT-like breathing phenotypes. Using nullcline analysis, we identify the types of inhibitory inputs to the KF leading to RTT-like respiratory patterns and suggest possible KF local circuit organizations. When the identified properties are present, the two models also exhibit quantal acceleration of late-expiratory activity, a hallmark of active expiration featuring forced exhalation, with increasing inhibition to KF, as reported experimentally. Hence, these models instantiate plausible hypotheses about possible KF dynamics and forms of local network interactions, thus providing a general framework as well as specific predictions for future experimental testing. Key points The Kölliker-Fuse nucleus (KF), a part of the parabrachial complex, is involved in regulating normal breathing and controlling active abdominal expiration during increased ventilation. Dysfunction in KF neuronal activity is thought to contribute to respiratory abnormalities seen in Rett syndrome (RTT). This study utilizes computational modeling to explore different dynamical regimes of KF activity and their compatibility with experimental observations. By analyzing different model configurations, the study identifies inhibitory inputs to the KF that lead to RTT-like respiratory patterns and proposes potential KF local circuit organizations. Two models are presented that simulate both normal breathing and RTT-like breathing patterns. These models provide plausible hypotheses and specific predictions for future experimental investigations, offering a general framework for understanding KF dynamics and potential network interactions.
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John S, Hermes C. [We are THE team]. Med Klin Intensivmed Notfmed 2023; 118:331-332. [PMID: 37261478 DOI: 10.1007/s00063-023-01015-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/13/2023] [Indexed: 06/02/2023]
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Mohan C, Entezami P, John S, Hewitt J, Sylevych V, Psirides A. Comparison of the Aotearoa New Zealand Early Warning Score and National Early Warning Score to predict adverse inpatient events in a vital sign dataset. Anaesthesia 2023. [PMID: 36991498 DOI: 10.1111/anae.16007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/06/2023] [Indexed: 03/31/2023]
Abstract
Aotearoa New Zealand uses a single early warning score (EWS) across all public and private hospitals to detect adult inpatient physiological deterioration. This combines the aggregate weighted scoring of the UK National Early Warning Score with single parameter activation from Australian medical emergency team systems. We conducted a retrospective analysis of a large vital sign dataset to validate the predictive performance of the New Zealand EWS in discriminating between patients at risk of serious adverse events and compared this with the UK EWS. We also compared predictive performance for patients admitted under medical vs. surgical specialties. A total of 1,738,787 aggregate scores (13,910,296 individual vital signs) were obtained from 102,394 hospital admissions to six hospitals within the Canterbury District Health Board of New Zealand's South Island. Predictive performance of each scoring system was determined using area under the receiver operating characteristic curve. Analysis showed that the New Zealand EWS is equivalent to the UK EWS in predicting patients at risk of serious adverse events (cardiac arrest, death and/or unanticipated ICU admission). Area under the receiver operating characteristic curve for both EWSs for any adverse outcome was 0.874 (95%CI 0.871-0.878) and 0.874 (95%CI 0.870-0.877), respectively. Both EWSs showed superior predictive value for cardiac arrest and/or death in patients admitted under surgical rather than medical specialties. Our study is the first validation of the New Zealand EWS in predicting serious adverse events in a broad dataset and supports previous work showing the UK EWS has superior predictive performance in surgical rather than medical patients.
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Sy K, Briottet M, John S, Wade Z, Valsecchi I, Botterel F, Urbach V. Specialized pro-resolving lipid mediators protect epithelial barrier integrity of airway epithelial cells subject to a mechanical or fungal lesion. Rev Mal Respir 2023. [DOI: 10.1016/j.rmr.2022.11.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
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John S, Nelson D, Ponnambalam AM. A diagnostic conundrum: case of acute appendiceal abscess mimicking multisystem inflammatory syndrome in children in a toddler. Am J Med Sci 2023. [DOI: 10.1016/s0002-9629(23)00052-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Jose N, Varghese A, Thomas H, Irodi A, Paul J, Mathew M, Isiah R, John S, Godson H, Peace T, Pavamani S, Devadhas D, Sasidharan B. Can CBCT-Based Delta Radiomics Predict Normal Lung Toxicity during Thoracic Radiation? Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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John S, Ewing R, Baud M, Divecha N, Skipp P. 74P Characterizing the beta-catenin interactome using inhibitor screens and novel interaction proteomics techniques. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.09.075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Khetan M, Kalhan S, John S, Sethi D, Kannaujiya P, Ramana B. MIS retromuscular repair of lateral incisional hernia: technological deliberations and short-term outcome. Hernia 2022; 26:1325-1336. [DOI: 10.1007/s10029-022-02671-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 08/30/2022] [Indexed: 11/29/2022]
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Robinson E, John S, Singh P. P.115 Optimising obstetric care in high BMI patients: should we offer elective caesarean sections based on BMI? Int J Obstet Anesth 2022. [DOI: 10.1016/j.ijoa.2022.103411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Saxena SN, Swarup Meena R, Vishal MK, John S, Kumar Sharma L, Mishra BK, Agarwal D. Variation in essential oil constituents of coriander (Coriandrum sativum L.) germplasm across coriander growing regions in India. JOURNAL OF ESSENTIAL OIL RESEARCH 2022. [DOI: 10.1080/10412905.2022.2036644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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John S, Orlowski K, Mrkor K, Edelmann-Nusser J, Witte K. Differences in Hip Muscle Strength and Static Balance in Patients with Transfemoral Amputations Classified at Different K-Levels: A Preliminary Cross-Sectional Study. CANADIAN PROSTHETICS & ORTHOTICS JOURNAL 2022; 5:37456. [PMID: 37614483 PMCID: PMC10443478 DOI: 10.33137/cpoj.v5i1.37456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 01/05/2022] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Following amputation, patients with lower limb amputations (LLA) are classified into different functional mobility levels (K-levels) ranging from K0 (lowest) to K4 (highest). However, K-level classification is often based on subjective criteria. Objective measures that are able to differentiate between K-levels can help to enhance the objectivity of K-level classification. OBJECTIVES The goal of this preliminary cross-sectional study was to investigate whether differences in hip muscle strength and balance parameters exist among patients with transfemoral amputations (TFA) assigned to different K-levels. METHODOLOGY Twenty-two participants with unilateral TFA were recruited for this study, with four participants assigned to K1 or K2, six assigned to K3 and twelve assigned to K4. Maximum isometric hip strength of the residual limb was assessed in hip flexion, abduction, extension, and adduction using a custom-made diagnostic device. Static balance was investigated in the bipedal stance on a force plate in eyes open (EO) and eyes closed (EC) conditions. Kruskal-Wallis tests were used to evaluate differences between K-level groups. FINDINGS Statistical analyses revealed no significant differences in the parameters between the three K-level groups (p>0.05). Descriptive analysis showed that all hip strength parameters differed among K-level groups showing an increase in maximum hip torque from K1/2-classified participants to those classified as K4. Group differences were also present in all balance parameters. Increased sway was observed in the K1/2 group compared to the K4 group, especially for the EC condition. CONCLUSION Although not statistically significant, the magnitude of the differences indicates a distinction between K-level groups. These results suggest that residual limb strength and balance parameters may have the potential to be used as objective measures to assist K-level assignment for patients with TFA. This potential needs to be confirmed in future studies with a larger number of participants.
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John S, Joseph KS. Gestational diabetes: false dichotomy and slippery slope. BJOG 2021; 129:90. [PMID: 34543509 DOI: 10.1111/1471-0528.16939] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 09/12/2021] [Indexed: 11/29/2022]
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Render L, Truss A, Waddington H, John S, Henderson C, Aldaraggi A, Page O. 91 An audit of COVID-19 Awareness and Public Health Message Effectiveness in the Hospital Setting Over the Course of the Pandemic. Br J Surg 2021. [PMCID: PMC8135649 DOI: 10.1093/bjs/znab134.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Introduction An audit of healthcare workers investigated the effectiveness of Public Health England’s (PHE) information campaign across COVID’s timeline and assess knowledge between job roles. Method Data was collected across 3 cycles in 3 hospitals. A questionnaire assessed four domains: symptoms; spread; risk factors and the means to reduce transmission. PHE materials were shown before cycle 2 and respondents then subjected to the general campaign. Results 253 responses were collected. Symptom recognition was 84%, increasing to 88% post-intervention, longer-term recognition remained high at 81% - including the new symptom of anosmia. Identification of COVID’s means of transmission increased from 76% to 95% post intervention, risk factor recognition increased from 85% to 93% post-intervention. This fell to 74% later in the pandemic when recognised risk factors increased. Recognition of the new risk factors BAME status and BMI was 73% and 79% respectively in the final cycle. Doctors had the highest number of pre-intervention correct answers for 3 domains and nurses gave the most incorrect answers for 3 domains pre-intervention. Conclusions We have shown the PHE message is being transmitted effectively. We have also shown an increase in hospital workers recognition of aspects of COVIDs characteristics that have since been verified in the literature.
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John S, Ignatyeva Y, Greenberg B, Lin A, Wettersten N, Urey M, Kim P, Hong K, Tran H, Encisco JS, Pretorius V, Yagil A, Adler E. Machine Learning for Prognostication in Patients Undergoing LVAD Implantation. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.1220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Hong K, Battikha C, Lin A, John S, Brambatti M, Garcia-Alvarez A, Garcia-Guereta L, Diez C, Perez-Gomez L, Garcia-Pavia P, Taylor M, Adler E. Cardiac Transplantation in Danon Disease. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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John S, Kochanek M. [Immunocompromised patients in the intensive care unit]. Med Klin Intensivmed Notfmed 2021; 116:102-103. [PMID: 33666704 PMCID: PMC7934350 DOI: 10.1007/s00063-021-00787-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/19/2021] [Indexed: 11/26/2022]
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John S, Riessen R, Karagiannidis C, Janssens U, Busch HJ, Kochanek M, Michels G, Hermes C, Buerke M, Kluge S, Baumgärtel M, Braune S, Erbguth F, Fuhrmann V, Lebiedz P, Mayer K, Müller-Werdan U, Oppert M, Sayk F, Sedding D, Willam C, Werdan K. [Core curriculum Medical intensive care medicine of the German Society of Medical Intensive Care and Emergency Medicine (DGIIN)]. Med Klin Intensivmed Notfmed 2021; 116:1-45. [PMID: 33427907 PMCID: PMC7799161 DOI: 10.1007/s00063-020-00765-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/26/2020] [Indexed: 11/25/2022]
Abstract
Medical intensive care medicine treats patients with severe, potentially life-threatening diseases covering the complete spectrum of internal medicine. The qualification in medical intensive care medicine requires a broad spectrum of knowledge and skills in medical intensive care medicine, but also in the general field of internal medicine. Both sides of the coin must be taken into account, the treatment with life-sustaining strategies of the acute illness of the patient and also the treatment of patient's underlying chronic diseases. The indispensable foundation of medical intensive care medicine as described in this curriculum includes basic knowledge and skills (level of competence I-III) as well as of behavior and attitudes. This curriculum is primarily dedicated to the internist in advanced training in medical intensive care medicine. However, this curriculum also intends to reach trainers in intensive care medicine and also the German physician chambers with their examiners, showing them which knowledge, skills as well as behavior and attitudes should be taught to trainees according to the education criteria of the German Society of Medical Intensive Care and Emergency Medicine (DGIIN).
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Ismail MS, Bahdi F, Mercado MO, Habazi R, Alexander A, Prabhu S, John S, Kovvali C, Othman MO. ESD with double-balloon endoluminal intervention platform versus standard ESD for management of colon polyps. Endosc Int Open 2020; 8:E1273-E1279. [PMID: 33015328 PMCID: PMC7508668 DOI: 10.1055/a-1226-6372] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 06/29/2020] [Indexed: 02/08/2023] Open
Abstract
Background and study aims Endoscopic submucosal dissection (ESD) with the double-balloon endoluminal intervention platform (DEIP) is a novel technique for removal of complex colon polyps (> 2 cm) or those located in anatomically difficult positions. DEIP helps create a therapeutic zone with improved visualization and stability, facilitating polyp removal. We aimed to compare the outcomes of DEIP with the conventional cap-assisted ESD (standard ESD) technique for colon polyp resection, in particular, the ability to complete the ESD procedure without resorting to hybrid ESD or piecemeal resection. Patients and methods This was a retrospective cohort of all patients who underwent colon ESD in a single large tertiary referral center between September 2016 and October 2019. Information was collected on patient demographics and study outcomes including procedure time, rates of en bloc and curative resection, operative and postoperative complications. All patients were followed up for 1 month after the procedure. Results 111 patients were included in the study (DEIP 60, standard ESD 51). There was no statistically significant difference between mean procedures time (± SD) in the two groups, mean (81.9 ± 35.4 min standard vs. 96.4 ± 42.2 min in DEIP). Mean polyp size (± SD) was similar between the two groups (7.6 ± 6.0 cm 2 vs. 6.2 ± 5.5 cm 2 , P = .2). There were no significant differences in en bloc and curative resection rates or operative and postoperative complications between the two techniques. Conclusion Procedure time was similar using both techniques. However, DEIP enabled the entire procedure to be performed using the ESD technique without resorting to snare resection, which may affect the en bloc and curative resection rate. There were no significant differences in en bloc and curative resection rates between the two groups, probably due to the small sample size.
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