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Rizk N, Crawford D, Karanas Y, Barnes C, Pham TN, Sheckter CC. Amphetamine Positivity Prior to Burn Surgery Does not Adversely Affect Intraoperative Outcomes. J Burn Care Res 2024; 45:17-24. [PMID: 37875155 PMCID: PMC11023316 DOI: 10.1093/jbcr/irad165] [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: 02/03/2023] [Indexed: 10/26/2023]
Abstract
The treatment of burn patients using amphetamines is challenging due hemodynamic liabilty and altered physiology. Wide variation exists in the operative timing for this patient population. We hypothesize that burn excision in patients admitted with amphetamine positivity is safe regardless of timing. Data from two verified burn centers between 2017 and 2022 with differing practice patterns in operative timing for amphetamine-positive patients. Center A obtains toxicology only on admission and proceeds with surgery based on hemodynamic status and operative urgency, whereas Center B sends daily toxicology until a negative test results. The primary outcome was the use of vasoactive agents during the index operation, modeled using logistic regression adjusting for burn severity and hospital days to index operation. Secondary outcomes included death and inpatient complications. A total of 270 patients were included, and there were no significant differences in demographics or burn characteristics between centers. Center A screened once and Center B obtained a median of four screens prior to the surgery. The adjusted OR of requiring vasoactive support intraoperatively was not associated with negative toxicology result (P = .821). Having a body surface area burned >20% conferred a significantly higher risk of vasoactive support (adj. OR 13.42 [3.90-46.23], P < .001). Mortality, number of operations, stroke, and hospital length of stay were similar between cohorts. Comparison between two verified burn centers indicates that waiting until a negative amphetamine toxicology result does not impact intraoperative management or subsequent burn outcomes. Serial toxicology tests are unnecessary to guide operative timing of burn patients with amphetamine use.
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Affiliation(s)
- Nada Rizk
- Department of Surgery, Stanford University School of Medicine, 770 Welch Road suite 400, Palo Alto, CA 94304, USA
| | - David Crawford
- UW Burn Center at Harborview Medical Center, University of Washington, 325 9th Ave Seattle, WA 98104, USA
- Department of Surgery, University of Washington, 325 9th Ave Seattle WA 98104, USA
| | - Yvonne Karanas
- Regional Burn Center, Santa Clara Valley Medical Center, 751 S Bascom Ave San Jose, CA 95128, USA
| | - Christopher Barnes
- UW Burn Center at Harborview Medical Center, University of Washington, 325 9th Ave Seattle, WA 98104, USA
- Department of Anesthesia, University of Washington, 325 9th Ave Seattle WA 98104, USA
| | - Tam N Pham
- UW Burn Center at Harborview Medical Center, University of Washington, 325 9th Ave Seattle, WA 98104, USA
- Department of Surgery, University of Washington, 325 9th Ave Seattle WA 98104, USA
| | - Clifford C Sheckter
- Department of Surgery, Stanford University School of Medicine, 770 Welch Road suite 400, Palo Alto, CA 94304, USA
- Regional Burn Center, Santa Clara Valley Medical Center, 751 S Bascom Ave San Jose, CA 95128, USA
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Won P, Stoycos S, Johnson M, Gillenwater TJ, Yenikomshian HA. Psychiatric Illness and Substance Abuse: Unaddressed Factors in Burn Injury. J Burn Care Res 2023; 44:1393-1399. [PMID: 36976523 PMCID: PMC10533723 DOI: 10.1093/jbcr/irad046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Indexed: 03/29/2023]
Abstract
Patients with psychiatric illness and substance use comorbidities have high rates of burn injuries and experience prolonged hospital admissions. This retrospective chart review characterizes this marginalized population's inpatient burn care and examines post-discharge outcomes compared to burn patients without psychiatric or substance use comorbidities treated at our center. Patients admitted to a single burn center from January 1, 2018 to June 1, 2022 were included. Patient demographics, history of psychiatric disorders, treatment course, and post-discharge outcomes were collected. A total of 1660 patients were included in this study, of which 91 (6%) patients were diagnosed for psychiatric comorbidity and/or substance use comorbidity on admission for burn care. In this cohort of 91 patients with psychiatric and/or substance use comorbidities, the majority of patients were undomiciled (66%) and male (67%). In this cohort, 66 (72%) patients reported recent history or had positive urine toxicology results for illicit substances on admission. In this cohort, a total of 25 (28%) patients had psychiatric comorbidity at the time of burn injury or admission and 69 (76%) patients received inpatient psychiatric care, with 31 (46%) patients requiring psychiatric holds. After discharge, the readmission rate within 1 year of patients with psychiatric and/or substance use comorbidity was over four times greater than that of patients without psychiatric and/or substance use comorbidity. The most common causes of readmission were subsequent mental health crisis (40%) and inability to perform burn care (32%). Our study presents strategies to improve burn care for this marginalized and high-risk population.
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Affiliation(s)
- Paul Won
- Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Sarah Stoycos
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Maxwell Johnson
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - T. Justin Gillenwater
- Division of Plastic Surgery, University of Southern California, Los Angeles, CA, USA
| | - Haig A. Yenikomshian
- Division of Plastic Surgery, University of Southern California, Los Angeles, CA, USA
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Shimada-Sammori K, Shimada T, Miura RE, Kawaguchi R, Yamao Y, Oshima T, Oami T, Tomita K, Shinozaki K, Nakada TA. Machine learning algorithms for predicting days of high incidence for out-of-hospital cardiac arrest. Sci Rep 2023; 13:9950. [PMID: 37336904 DOI: 10.1038/s41598-023-36270-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 05/31/2023] [Indexed: 06/21/2023] Open
Abstract
Predicting out-of-hospital cardiac arrest (OHCA) events might improve outcomes of OHCA patients. We hypothesized that machine learning algorithms using meteorological information would predict OHCA incidences. We used the Japanese population-based repository database of OHCA and weather information. The Tokyo data (2005-2012) was used as the training cohort and datasets of the top six populated prefectures (2013-2015) as the test. Eight various algorithms were evaluated to predict the high-incidence OHCA days, defined as the daily events exceeding 75% tile of our dataset, using meteorological and chronological values: temperature, humidity, air pressure, months, days, national holidays, the day before the holidays, the day after the holidays, and New Year's holidays. Additionally, we evaluated the contribution of each feature by Shapley Additive exPlanations (SHAP) values. The training cohort included 96,597 OHCA patients. The eXtreme Gradient Boosting (XGBoost) had the highest area under the receiver operating curve (AUROC) of 0.906 (95% confidence interval; 0.868-0.944). In the test cohorts, the XGBoost algorithms also had high AUROC (0.862-0.923). The SHAP values indicated that the "mean temperature on the previous day" impacted the most on the model. Algorithms using machine learning with meteorological and chronological information could predict OHCA events accurately.
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Affiliation(s)
- Kaoru Shimada-Sammori
- Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo, Chiba, 260-8677, Japan
| | - Tadanaga Shimada
- Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo, Chiba, 260-8677, Japan
| | - Rie E Miura
- Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo, Chiba, 260-8677, Japan
- Smart119 Inc, 2-5-1, Chuo, Chiba, Japan
| | - Rui Kawaguchi
- Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo, Chiba, 260-8677, Japan
| | - Yasuo Yamao
- Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo, Chiba, 260-8677, Japan
- Smart119 Inc, 2-5-1, Chuo, Chiba, Japan
| | - Taku Oshima
- Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo, Chiba, 260-8677, Japan
| | - Takehiko Oami
- Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo, Chiba, 260-8677, Japan
| | - Keisuke Tomita
- Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo, Chiba, 260-8677, Japan
| | - Koichiro Shinozaki
- Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo, Chiba, 260-8677, Japan
- Department of Emergency Medicine, Zucker School of Medicine, New York, USA
| | - Taka-Aki Nakada
- Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo, Chiba, 260-8677, Japan.
- Smart119 Inc, 2-5-1, Chuo, Chiba, Japan.
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Klifto KM, Shetty PN, Slavin BR, Gurno CF, Seal SM, Asif M, Hultman CS. Impact of nicotine/smoking, alcohol, and illicit substance use on outcomes and complications of burn patients requiring hospital admission: systematic review and meta-analysis. Burns 2020; 46:1498-1524. [DOI: 10.1016/j.burns.2019.08.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 06/04/2019] [Accepted: 08/10/2019] [Indexed: 11/25/2022]
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Knol R, Kelly E, Paul E, Cleland H, Wellington-Boyd A, Lambert C, Harms L. The psychosocial complexities of acute burn patients in an Australian trauma hospital. Burns 2019; 46:447-453. [PMID: 31466920 DOI: 10.1016/j.burns.2019.08.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 08/01/2019] [Accepted: 08/06/2019] [Indexed: 10/26/2022]
Abstract
INTRODUCTION Psychosocial risk and protective factors specific to acute burn patients have been shown to impact on longer-term health outcomes. Yet the nature and impact of such factors throughout the acute hospital admission phase have not been extensively examined to date. This study analysed the psychosocial pre-admission, hospitalisation and discharge factors for a sample of burn patients at an Australian specialist acute burns unit (The Alfred) and the relationship with their admission length. METHODS A retrospective audit was undertaken of psychosocial factors documented in patient medical records, Victorian Adult Burns Service registry data, and social work files (January-December 2014). RESULTS Two hundred and forty-nine patients were identified, with a mean age of 42.83 years and a preponderance of men (73.9%). The majority (71%) had a low burn severity (<10%), and an average of eight psychosocial factors. Independent of the severity of the burn, two psychosocial domains were strongly predictive of length of stay - coping with treatment and discharge planning - along with pre-existing psychosocial factors and family support. CONCLUSION A diversity of psychosocial factors was identified, highlighting the clinical complexity of this patient group. Given three domains of admission-related psychosocial factors were predictive of the length of patient stay, more targeted psychosocial interventions in these areas may ensure patients and their families are supported more effectively throughout an admission, and length of stay costs may also be reduced.
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Affiliation(s)
- Rose Knol
- Social Work Department, Alfred Health, 55 Commercial Rd, Prahran, Victoria 3181, Australia
| | - Emma Kelly
- Social Work Department, Alfred Health, 55 Commercial Rd, Prahran, Victoria 3181, Australia
| | - Eldho Paul
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria 3004, Australia; Clinical Haematology Department, Alfred Hospital, Melbourne, Victoria 3181, Australia
| | - Heather Cleland
- Victorian Adult Burns Service, Alfred Health, 55 Commercial Rd, Prahran, Victoria 3181, Australia
| | - Anna Wellington-Boyd
- Social Work Department, Alfred Health, 55 Commercial Rd, Prahran, Victoria 3181, Australia
| | - Caroline Lambert
- Department of Social Work, The University of Melbourne, Victoria 3010, Australia
| | - Louise Harms
- Department of Social Work, The University of Melbourne, Victoria 3010, Australia.
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Abstract
Illicit drug use is common among patients admitted following burn injury. The authors sought to evaluate whether drug abuse results in worse outcomes. The National Burn Repository (NBR) was queried for data on all patients with drug testing results available. Outcomes included mortality, hospital length of stay (LOS), intensive care unit (ICU) LOS, and duration of ventilator support. Propensity score weighting was performed to control for age, alcohol use, burn size, gender, and etiology of burn. A total of 20,989 patients had drug screen data available; 11,642 (55.5%) tested positive for at least one drug of abuse. Illicit drug use was associated with a higher proportion of patients with flame burn (53.2 vs 48.4%) and larger average burn size (11.2 vs 9.5% TBSA, P < .001). Attempted suicide was more likely if the patient had used drugs (2.8 vs 1.7%, P < .001). Drug use resulted in longer hospital and ICU LOS (14.2 vs 11.4 and 8.5 vs 5.6 days, P < .001), but did not increase the risk of mortality (5.7 vs 5.2, P = .08). After propensity score weighting, drug use did not affect mortality, hospital LOS, or duration of ventilator support, but did increase the average ICU LOS by 1.2 days (P = .001). Drug use does not affect mortality, hospital LOS, or duration of ventilator support among burned patients. After controlling for burn size, age, mechanism of injury, and gender, patients with a positive drug screen had an average increase in ICU LOS by 1 day.
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McLean L, Chen R, Kwiet J, Streimer J, Vandervord J, Kornhaber R. A clinical update on posttraumatic stress disorder in burn injury survivors. Australas Psychiatry 2017; 25:348-350. [PMID: 28372459 DOI: 10.1177/1039856217700285] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Burn injuries are complex traumatic events carrying high risks of acute physical and psychosocial morbidity. With greater survival, clinical and research attention has turned to psychosocial recovery outcomes and risk factors. It is timely to summarise current issues in posttraumatic disorders after burn injury for mental health and integrative care clinicians. Posttraumatic stress disorder (PTSD) is a common outcome of severe burn injury. There are difficulties in delivering current best practice treatments to many survivors especially those in rural and remote areas and those with comorbidities. Vicarious traumatization of clinicians, families and carers requires attention and internationally there are moves to psychosocial screening and outcome tracking. CONCLUSIONS The role of the multidisciplinary treatment, integrated and trauma-informed care is essential. While level 1 evidence for PTSD treatments theoretically applies, adaptations that consider comorbidities and treatment contexts are often essential with further research required.
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Affiliation(s)
- Loyola McLean
- Senior Staff Psychiatrist, Westmead Psychotherapy Program, WSLHD, Parramatta, NSW, and; A/Prof Course Coordinator, Brain and Mind Centre, University of Sydney, Sydney, NSW, Australia
| | - Runsen Chen
- Psychologist and Student Brain and Mind Centre, University of Sydney, Sydney, NSW, Australia
| | - Julia Kwiet
- Senior Social Worker, Severe Burn Injury Unit, Royal North Shore Hospital, St Leonards, NSW, Australia
| | - Jeffrey Streimer
- Senior Staff Specialist Psychiatrist and Director of Consultation-Liaison Psychiatry, Royal North Shore Hospital, St Leonards, NSW, Australia
| | - John Vandervord
- Senior Surgeon, Severe Burn Injury Unit, Royal North Shore Hospital, St Leonards, NSW, Australia
| | - Rachel Kornhaber
- Lecturer in Nursing, Rozelle Campus, University of Tasmania, Hobart, TAS, Australia
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