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1.
Mil Med ; 183(suppl_2): 161-167, 2018 09 01.
Artigo em Inglês | MEDLINE | ID: mdl-30189062

RESUMO

Management of wartime burn casualties can be very challenging. Burns frequently occur in the setting of other blunt and penetrating injuries. This clinical practice guideline provides a manual for burn injury assessment, resuscitation, wound care, and specific scenarios including chemical and electrical injuries in the deployed or austere setting. The clinical practice guideline also reviews considerations for the definitive care of local national patients, including pediatric patients, who are unable to be evacuated from theater. Medical providers are encouraged to contact the US Army Institute of Surgical Research (USAISR) Burn Center when caring for a burn casualty in the deployed setting.


Assuntos
Queimaduras/terapia , Guerra , Antibacterianos/uso terapêutico , Antibioticoprofilaxia/métodos , Queimaduras Químicas/tratamento farmacológico , Queimaduras por Corrente Elétrica/terapia , Guias como Assunto , Humanos , Medicina Militar/métodos , Exame Físico/métodos
2.
Mil Med ; 183(suppl_2): 130-132, 2018 09 01.
Artigo em Inglês | MEDLINE | ID: mdl-30189064

RESUMO

Toxic industrial chemicals include chlorine, phosgene, hydrogen sulfide, and ammonia have variable effects on the respiratory tract, and maybe seen alone or in combination, secondary to inhalation injury. Other considerations include the effects of cyanide, carbon monoxide, and fire suppressants. This Clinical Practice Guideline (CPG) will provide the reader with a brief overview of these important topics and general management strategies for each as well as for inhalation injury. Chlorine, phosgene, hydrogen sulfide, and ammonia are either of intermediate or high water solubility leading to immediate reactions with mucous membranes of the face, throat, and lungs and rapid symptoms onset after exposure. The exception to rapid symptom onset is phosgene which may take up to a day to develop severe acute respiratory distress syndrome. Management of these patients includes early airway management, lung-protective ventilator strategies, aggressive pulmonary toilet, and avoidance of volume overload.


Assuntos
Vazamento de Resíduos Químicos/mortalidade , Exposição por Inalação/efeitos adversos , Amônia/efeitos adversos , Vazamento de Resíduos Químicos/estatística & dados numéricos , Cloro/efeitos adversos , Guias como Assunto , Humanos , Sulfeto de Hidrogênio/efeitos adversos , Exposição Ocupacional/efeitos adversos , Fosgênio/efeitos adversos
3.
Mil Med ; 183(11-12): e409-e413, 2018 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-29800375

RESUMO

Introduction: Sedation and analgesia in the intensive care unit (ICU) for patients with sepsis can be challenging. Opioids and benzodiazepines can lower blood pressure and decrease respiratory drive. Ketamine is an N-methyl-D-aspartate (NMDA) receptor antagonist that provides both amnesia and analgesia without depressing respiratory drive or blood pressure. The purpose of this pilot study was to assess the effect of ketamine on the vasopressor requirement in adult patients with septic shock requiring mechanical ventilation. Materials and Methods: We conducted a two-phase study in a multi-disciplinary adult ICU at a tertiary medical center. The first phase was a retrospective chart review of patients admitted with septic shock between July 2010 and July 2011; 29 patients were identified for a historical control group. The second phase was a prospective, non-randomized, open-label pilot study. Patients were eligible for inclusion if they were 18-89 yr of age with a diagnosis of septic shock, who also required mechanical ventilation for at least 24 h, concomitant sedation, and vasopressor therapy. Pregnant patients, patients in the peri-operative timeframe, and patients with acute coronary syndrome were excluded. Patients enrolled in the phase two pilot study received ketamine as the primary sedative. Ketamine was administered as a 1-2 mg/kg IV bolus, then as a continuous infusion starting at 5 mcg/kg/min, titrated 2 mcg/kg/min every 30 min as needed to obtain a Richmond Agitation Sedation Scale (RASS) goal of -1 to -2. If continuous sedation was still required after 48 h, patients were transitioned off ketamine and sedative strategy reverted to usual ICU sedation protocol. The primary outcome was the dose of vasopressor required at 24, 48, 72 and 96 h after enrollment. Secondary outcomes included cumulative ketamine dose, additional sedative and analgesics used, cumulative sedative and analgesic dosing at all time periods, corticosteroid use, days of mechanical ventilation, ICU LOS, hospital LOS, and mortality. Contiguous data were analyzed with unpaired t-tests and categorical data were analyzed with two-tailed, Fisher's exact test. This study was approved by our Institutional Review Board. Results: From January 2012 to April 2015, a total of 17 patients were enrolled. Patient characteristics were similar in the control and study group. Ketamine was discontinued in one patient due to agitation at 36 h. There was a trend towards decreased norepinephrine and vasopressin use in the study group at all time periods. Regarding secondary outcomes, the study group received less additional analgesia with fentanyl at 24 and 48 h (p < 0.001), and less additional sedation with lorazepam, midazolam or dexmedetomidine at 24 h (p = 0.015). Conclusion: This pilot study demonstrated a trend towards decreased vasopressor dose, and decreased benzodiazepine and opiate use when ketamine is used as the sole sedative. The limitations to our study include a small sample size and those inherent in using a retrospective control group. Our findings should be further explored in a large, randomized prospective study.


Assuntos
Ketamina/farmacologia , Choque Séptico/tratamento farmacológico , APACHE , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Hipnóticos e Sedativos/efeitos adversos , Hipnóticos e Sedativos/farmacologia , Hipnóticos e Sedativos/uso terapêutico , Unidades de Terapia Intensiva/organização & administração , Unidades de Terapia Intensiva/estatística & dados numéricos , Ketamina/efeitos adversos , Ketamina/uso terapêutico , Masculino , Pessoa de Meia-Idade , Projetos Piloto , Estudos Prospectivos , Respiração Artificial/métodos , Respiração Artificial/estatística & dados numéricos , Estudos Retrospectivos , Vasoconstritores/uso terapêutico
4.
Crit Care ; 19: 351, 2015 Oct 28.
Artigo em Inglês | MEDLINE | ID: mdl-26507130

RESUMO

In this article we review recent advances made in the pathophysiology, diagnosis, and treatment of inhalation injury. Historically, the diagnosis of inhalation injury has relied on nonspecific clinical exam findings and bronchoscopic evidence. The development of a grading system and the use of modalities such as chest computed tomography may allow for a more nuanced evaluation of inhalation injury and enhanced ability to prognosticate. Supportive respiratory care remains essential in managing inhalation injury. Adjuncts still lacking definitive evidence of efficacy include bronchodilators, mucolytic agents, inhaled anticoagulants, nonconventional ventilator modes, prone positioning, and extracorporeal membrane oxygenation. Recent research focusing on molecular mechanisms involved in inhalation injury has increased the number of potential therapies.


Assuntos
Lesão por Inalação de Fumaça/diagnóstico , Escala Resumida de Ferimentos , Broncodilatadores/uso terapêutico , Broncoscopia , Humanos , Pneumonia/etiologia , Respiração Artificial , Lesão por Inalação de Fumaça/fisiopatologia , Lesão por Inalação de Fumaça/terapia
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